| [ciprofloxacin-omeprazole combination therapy for eradication of helicobacter pylori]. | 20 h. pylori-positive patients with gastric or duodenal ulcer disease (n = 16, one with proof of gastric cancer obtained by histology) or severe non-ulcer dyspepsia (n = 4) were entered in a pilot study to examine the effect of a combination of omeprazole (40 mg) before breakfast and ciprofloxacin (2 x 500 mg) 1 hour after meals for 1 week to treat helicobacter pylori (hp). the eradication rate was 15% (3 out of 20 patients) 4 weeks after therapy. ulcer healing occurred in 2 of 3 patients having ... | 1991 | 1866970 |
| enterotoxigenicity of human and animal isolates of campylobacter jejuni in ligated rat ileal loops. | human and animal isolates of campylobacter jejuni were tested for enterotoxigenicity in ligated loop of charles-foster rats. of 21 isolates, 13 were proved to be toxin-positive in the initial experiments. however, the remaining 8 required one to three passages through the rat ileal loop before showing the capacity to produce enterotoxin. all isolates caused fluid accumulation comparable with the amount produced by the standard toxigenic strain of vibrio cholerae 01 1naba 569b. the isolates of c. ... | 1991 | 1869798 |
| simultaneous colonization of campylobacter jejuni and salmonella typhimurium in day-old chicks. | day-old chicks were challenged with campylobacter jejuni or salmonella typhimurium or both to assess the influence of these two bacteria upon the colonization of one another. median colonization dose (cd50), a measure indicating the number of organisms required to colonize one-half of the challenged chickens, was used to assess the influence of these organisms upon the colonization of one another. chicks were gavaged with serial dilutions of 1) c. jejuni, 2) s. typhimurium, 3) dilutions of c. je ... | 1991 | 1876560 |
| an evaluation of three commercial fecal transport systems for the recovery of enteric pathogens. | twenty-five isolates, including six strains of shigella species, six strains of salmonella species, five strains of yersinia enterocolitica, six strains of campylobacter jejuni, and two strains of vibrio parahaemolyticus, were inoculated at a concentration of 1.5 x 10(4) colony-forming units/ml into the following transport systems: fekal enteric plus (trend scientific, inc., st. paul, mn), cary blair transport medium (remel, inc., lenexa, ks), and para-pak c & s (meridian diagnostics, inc., cinc ... | 1991 | 1877533 |
| [distribution of serotypes and biotypes of campylobacter jejuni/coli strains from ten provinces/cities in china]. | the lior's schemes were used for serotyping and biotyping 301 c. jejuni/coli strains isolated from different hosts in ten provinces/cities of china. no difference was found between the serotype distributions of the strains isolated from various areas. forty-one serotypes were detected. of the isolates, 86.71% were typable and 3 new serotypes, lio n-1, n-2 and n-3, were developed. the differences were proved among the serotype distributions of the isolates from different areas. it was shown that ... | 1991 | 1878957 |
| isolation of an intracellular bacterium from hamsters (mesocricetus auratus) with proliferative ileitis and reproduction of the disease with a pure culture. | an intracellular bacterium was isolated from hamsters (mesocricetus auratus) with proliferative ileitis. the organism was isolated in intestine 407 and gpc-16 cell cultures (incubated in a microaerophilic atmosphere) from isolated and lysed epithelial cells from hamsters with proliferative ileitis. the bacterium measured 1.4 to 1.7 microns in length by 0.26 to 0.34 microns in width, was slightly curved, and had an irregular trilaminar cell wall. inoculation of hamsters with a cell culture lysate ... | 1991 | 1879939 |
| purification and characterization of helicobacter mustelae urease. | helicobacter mustelae is a urease-rich bacterium associated with gastritis in ferrets. the ureases of h. mustelae and helicobacter pylori, a bacterium implicated in human gastritis, share many characteristics. helicobacter sp. ureases appear to be unique among bacterial enzymes in exhibiting submillimolar km values and in being composed of two subunits. | 1991 | 1879950 |
| [campylobacter enterocolitis complaining of melena]. | a 38-year-old man was admitted to our hospital complaining of 5 episodes of melena without abdominal pain or diarrhea. no abnormalities were noted through an upper gastrointestinal endoscopy, but a proctoscopy revealed a large amount of coagulated blood within the rectum immediately before his admission. a colonoscopy revealed spotty redness with dark-red coagulation in the region from the splenic flexure down to the rectum except oral colon beyond the transverse colon. a presumptive diagnosis o ... | 1991 | 1880201 |
| septicaemia caused by unusual campylobacter species (c. laridis and c. mucosalis). | two cases of campylobacter septicaemia are described. the first, caused by campylobacter laridis was associated with gastroenteritis and occurred in a healthy individual. in the second case, a catalase negative species, c. mucosalis was isolated from blood in an immunocompromised patient with symptoms of pneumonia. both campylobacter strains grew faintly under the routine culture conditions used. improved diagnostic procedures for campylobacter species may thus be warranted. | 1991 | 1882201 |
| [the experimental and clinical effect of ciprofloxacin on the microflora of the gastrointestinal tract]. | the study of the influence of cyprofloxacin on the microflora of the gastrointestinal tract has been made under experimental and clinical conditions. as revealed in this study, cyprofloxacin produces a corrective effect on the intestinal microflora; the action of this preparation, in contrast to that of other antimicrobial preparations, is retained for a long time. in patients having duodenal ulcer with bacteriosis caused by campylobacter pylori and with intestinal dysbacteriosis the combination ... | 1991 | 1882618 |
| [the capacity of microorganisms in the genus campylobacter for mobile growth]. | the capacity of campylobacter for mobile was studied on the cultures of 5 reference strains and 153 newly isolated strains of clinical origin, used as an experimental model. the study revealed that the capacity of campylobacter for mobile growth was best manifested in cases of its cultivation in nutrient media based on tryptose agar with the density of 0.35% at 37 degrees c in the usual atmosphere: under these conditions the capacity for mobile growth was exhibited by 92.8% of all cultures of th ... | 1991 | 1882620 |
| use of embryonating eggs for isolation of campylobacter species from intestines of swine with proliferative enteritis. | intestinal tissues from swine affected with proliferative enteritis were ground, filtered through a 0.65-micron pore membrane filter, diluted, and injected into 7-day-old embryonated hens' eggs via the yolk sac. at 2, 4, and 7 days later, yolk sac swab specimens taken from live embryos were cultured for campylobacter species. campylobacter hyointestinalis was recovered from eggs injected with tissues of swine with acute hemorrhagic proliferative enteritis at dilutions up to 10(-4). campylobacter ... | 1991 | 1883083 |
| evaluation of campylobacter jejuni colonization of the domestic ferret intestine as a model of proliferative colitis. | forty 3- to 17-week old domestic ferrets, including 2 gnotobiotes, were inoculated orally and/or rectally with 10(6) to 10(9) colony-forming units of 1 or more of 4 strains of campylobacter jejuni, 3 of mink and 1 of human origin. feeding or gavage of any of the 4 strains, in milk or broth, with or without preinoculation sodium bicarbonate treatment to neutralize stomach acid, induced colonization in 38/40 ferrets; diarrhea lasted 2 to 4 days in conventional kits, 6 days in gnotobiotes. bacterem ... | 1991 | 1883085 |
| gastrointestinal infections in singapore children. | acute gastroenteritis is the commonest gastrointestinal disorder in children. it accounted for about 10% of the admissions to a general paediatric unit in singapore. about 5% of total paediatric admissions to all the government hospitals in singapore were due to acute gastroenteritis. some 50% of the cases had no identifiable organism in the stools. most of the remaining cases were due to bacterial or viral infections. the commonest bacteria responsible for acute gastroenteritis nowadays is salm ... | 1991 | 1883188 |
| beta-lactamase production in human and animal isolates of campylobacter jejuni in turkey. | | 1991 | 1885429 |
| identification, purification, and characterization of major antigenic proteins of campylobacter jejuni. | evidence from developing countries and volunteer studies indicates that immunity to campylobacter jejuni and campylobacter coli may be acquired, but the antigenic basis for this protection is poorly defined. we have purified to homogeneity four proteins with molecular weights of 28,000 (peb1), 29,000 (peb2), 30,000 (peb3), and 31,000 (peb4) from epidemic c. jejuni strain 81-176 using acid extraction and sequential ion-exchange, hydrophobic interaction, and gel filtration chromatography. the rela ... | 1991 | 1885571 |
| seropositivity to helicobacter pylori: lack of association with length of hospitalization. | to examine the possibility of nosocomial spread of helicobacter pylori, a serosurvey (n = 238) was conducted at perry point department of veterans affairs medical center, an institution providing both acute and chronic care. we hypothesized that if significant nosocomial transmission was occurring, seropositivity (as measured by enzyme-linked immunosorbent assay [elisa]) would correlate with length of stay in the facility. whether treated as a continuous or dichotomous variable, the elisa result ... | 1991 | 1885734 |
| sources and survival of campylobacters: relevance to enteritis and the food industry. | | 1991 | 1887273 |
| helicobacter pylori gastritis mimicking gastric carcinoma at ct evaluation. | the abdominal computed tomographic (ct) scans from 61 patients with biopsy-proved helicobacter (formerly campylobacter) pylori gastritis were retrospectively reviewed. the ct scans were interpreted on the basis of the original report of the findings at ct examination and without knowledge of the results of biopsy. of 19 patients (31%) with gastric abnormalities at ct, 14 (74%) had inflammatory changes initially reported as suspicious for gastric malignancy; malignancy was entertained as the prim ... | 1991 | 1888360 |
| helicobacter pylori: review of research findings. | helicobacter pylori attracted widespread interest from gastroenterologists because of its potential aetiologic role in disorders of the upper gastrointestinal tract. based on extensive microbiological studies, campylobacter pylori was renamed helicobacter pylori, and the organism represents a new genus of bacteria. it is generally accepted that h. pylori causes chronic, non-specific gastritis (type b gastritis). the inflammatory response occurs even though the bacterium does not penetrate the ga ... | 1991 | 1888832 |
| simultaneous infection with multiple serotypes of shigellae in a patient. | we isolated three different serotypes of shigella on admission from a patient with dysentery as well as a shigella-like organism and campylobacter jejuni upon follow-up. the patient produced serum antibodies to all three serotypes of shigellae. | 1991 | 1889185 |
| evaluation of 10 methods to distinguish epidemic-associated campylobacter strains. | we compared four phenotypic and six genotypic methods for distinguishing campylobacter jejuni strains from animals and humans involved in four epidemics. based on a comparison with epidemiologic data, the methods that correctly identified all strains in three milkborne outbreaks and one waterborne outbreak were heat-stable and heat-labile serotyping; multilocus enzyme electrophoresis (mee); dna restriction endonuclease analysis with bglii, xhoi, pvuii, or psti; and southern blot and hybridizatio ... | 1991 | 1890168 |
| egg yolk emulsion agar, a new medium for the cultivation of helicobacter pylori. | we developed a new agar, egg yolk emulsion (eye) agar, for cultivation of helicobacter pylori. eye agar contains columbia agar base (oxoid), 10% eye (oxoid), 1% isovitalex (bbl), and 40 mg of triphenyleteraxolium chloride (sigma) per liter. we compared eye agar with the following agars: (i) brain heart infusion agar-7% horse blood-1% isovitalex (gdw agar; c. s. goodwin, e. d. blincow, j. r. warren, t. e. waters, c. r. sanderson, and l. easton, j. clin. pathol. 38:1127-1131, 1985), (ii) brain hea ... | 1991 | 1890184 |
| axonal guillain-barré. | | 1991 | 1891115 |
| waterborne outbreak of campylobacter jejuni in christchurch: the importance of a combined epidemiologic and microbiologic investigation. | campylobacter is a common cause of gastroenteritis in new zealand; however, the source of infection usually remains unknown. reports of two cases of campylobacter jejuni enteritis at a camp and convention centre near christchurch were investigated. through interviews of persons living at or attending the camp, 42 additional cases were identified. epidemiologic and microbiologic data strongly suggested the water supply as the source of infection. the combined epidemiologic and microbiologic inves ... | 1991 | 1891134 |
| [campylobacter (helicobacter) pylori in chronic erosive gastritis, duodenitis and gastroduodenitis]. | the presence and degree of manifestation of campylobacter (helicobacter) pylori in gastroduodenal mucosa were studied in 100 patients (56 men, mean age 51.4 years, and 44 women, mean age 46.5 years) with endoscopically proved chronic erosive gastritis (52 patients), erosive duodenitis (36 patients) and erosive gastroduodenitis (12 patients). the examinations revealed the presence of campylobacter (helicobacter) pylori in mean 77% of the patients with erosive gastritis, duodenitis and gastroduode ... | 1991 | 1891906 |
| inhibition of acid secretion from parietal cells by non-human-infecting helicobacter species: a factor in colonization of gastric mucosa? | helicobacter pylori has been shown to produce a protein that inhibits acid secretion from parietal cells. we have examined other non-human-infecting helicobacter species for this property by measuring the uptake of [14c]aminopyrine into rabbit parietal cells as an indirect assessment of acid secretion. helicobacter felis and an isolate from a rhesus monkey were shown to inhibit acid secretion. isolates of helicobacter mustelae gave variable responses. whole bacteria and cell-free sonicates impai ... | 1991 | 1894369 |
| extraction, purification, and characterization of major outer membrane proteins from wolinella recta atcc 33238. | the outer membrane of wolinella recta atcc 33238 was isolated by french pressure cell disruption and differential centrifugation. outer membrane proteins (omps) were solubilized by zwittergent 3.14 extraction and separated by deae-sephacel ion-exchange chromatography. the major omps that were found in w. recta atcc 33238 and in several other wolinella spp. consisted of proteins with apparent molecular masses of 51, 45, and 43 kda. these three conserved proteins were purified to essential homogen ... | 1991 | 1894372 |
| association between glycoconjugate antibodies and campylobacter infection in patients with guillain-barré syndrome. | in a retrospective study, we have analysed sera from a well-characterised guillain-barré syndrome (gbs) patient group for antibodies that react with gangliosides. of 95 gbs patients and 85 control patients analysed, we found that 14 (15%) of gbs patients but only one control patient had antibodies that react with the gangliosides gm1 and/or gd1b but not gm2, gd1a and gt1b using a sensitive enzyme-linked immunosorbent assay (elisa). this pattern of reactivity suggests binding to the carbohydrate ... | 1991 | 1894733 |
| enterotoxigenic escherichia coli associated with infant diarrhoea in galicia, north-western spain. | to assess the role of enterotoxigenic escherichia coli (etec) in infantile diarrhoea, 482 children with diarrhoea and 103 healthy controls, from three localities of galicia, north-western spain, were investigated between 1985 and 1988. rotavirus (37.3%) and salmonella spp. (12.8%) were the most common causal agents, followed by etec (3.9%), campylobacter jejuni (2.3%), shigella spp. (0.9%) and yersinia enterocolitica (0.5%). etec were significantly more frequently isolated from children with dia ... | 1991 | 1895327 |
| campylobacter enteritis--new zealand, 1990. | in august-september 1990, an outbreak of campylobacter enteritis occurred at a camp near christchurch, new zealand. this report provides a preliminary summary of the investigation of this outbreak by the new zealand communicable disease centre and the canterbury area health board. | 1991 | 1899467 |
| travelers' diarrhea among united states military personnel during joint american-egyptian armed forces exercises in cairo, egypt. | a study was conducted of travelers' diarrhea in a united states military population on deployment in cairo, egypt, during july and august 1987. acute diarrhea requiring medical attention developed in 183 (4%) of 4,500 troops. a possible etiologic agent was identified in 49% of all diarrhea cases. enteric pathogens associated with cases of diarrhea included: enterotoxigenic escherichia coli (17% st-producers, 13% lt-producers, and 3% lt/st-producers); shigella (9%); campylobacter spp. (2%); salmo ... | 1991 | 1900113 |
| antimicrobial activity of microgard against food spoilage and pathogenic microorganisms. | microgard, a commercially available fermented milk product containing antimicrobial metabolites, was a potent inhibitor for gram-negative bacteria such as pseudomonas, salmonella, and yersinia when 1% concentration was incorporated into agar media. gram-positive bacillus cereus, staphylococcus aureus, and listeria monocytogenes were insensitive to microgard. kluyveromyces marxianus, an unidentified black yeast, and penicillium expansum were partially suppressed, whereas aspergillus niger and a y ... | 1991 | 1906486 |
| enteral feeding and infection in the immunocompromised patient. | evidence is accumulating that immunocompromised individuals are at an increased risk of infection from foodborne pathogens including campylobacter jejuni, listeria monocytogenes, salmonella spp. normal bacterial flora and contaminants of foods and enteral feeds can also result in nosocomial infection in susceptible individuals. safe food handling, low-microbial diets, and measures to reduce bacterial contamination of enteral foods can reduce exposure to potential pathogens in the food supply. | 1991 | 1906573 |
| phagocytosis of enteric campylobacter by human and murine granulocytes. | the phagocytosis of enteric campylobacter strains by murine and human granulocytes was studied in vitro. the number of fluorescein isothiocyanate-labelled bacteria per granulocyte was determined microscopically. the phagocytic index is strain-dependent, ranging from 0.05 to 0.4 bacteria per granulocyte. human granulocytes phagocytose campylobacter sp. with a twofold higher effectivity than murine cells. opsonization with immune sera increased phagocytosis 11.6-fold; flagella-defective mutants we ... | 1991 | 1908691 |
| comparison of the survival of campylobacter jejuni and campylobacter coli in culturable form in surface water. | six campylobacter jejuni and six campylobacter coli strains were isolated from cows and pigs, and their survival in lake water was compared by viable counts. campylobacter jejuni survived longer in culturable form than c. coli in untreated and membrane-filtered water both at 4 and 20 degrees c. this difference in survival time may be a reason why c. jejuni is generally isolated from surface waters more frequently than c. coli. both species survived better in filtered than in untreated water. thi ... | 1991 | 1913357 |
| screening of children for enteric bacterial pathogens in the outborn neonatal ward in lagos, nigeria. | babies, on admission into a neonatal ward at the lagos university teaching hospital, had their rectal swab specimens examined bacteriologically and screened for enteric bacterial pathogens over a one-year-period at two-week intervals. it was found that on the average there were 3 (9.68%) enteric bacterial pathogens out of an average of 31 admissions at each screening period. the enteric bacterial pathogens isolated included: non-typhoid salmonellae, which accounted for 55 (80.88%) isolates out o ... | 1991 | 1915794 |
| helicobacter pylori density on antral mucosa of patients with and without duodenal ulceration. | | 1991 | 1916140 |
| comparative study of lipopolysaccharides from wolinella recta, w. curva, w. succinogenes and campylobacter sputorum ssp. sputorum. | lipopolysaccharides (lps) were extracted from cells of wolinella recta atcc 33238, w. curva atcc 33224, w. succinogenes atcc 29543 and campylobacter sputorum ssp. sputorum a 3563 by a hot phenol-water method and purified by nuclease treatment and by repeated ultracentrifugation. chemical compositions of the purified lps including fatty acid and sugar composition were examined and sodium dodecyl sulfate-polyacrylamide gel electrophoresis (sds-page) was performed. all lps preparations contained a ... | 1991 | 1916228 |
| [effect of as-2646, a novel antiulcer agent on gastric mucosal defensive factors in rats]. | the effects of as-2646 on the acute gastric mucosal lesions induced by various noxious agents and the gastric mucosal defensive factors were studied in rats, and the following results were obtained: 1) as-2646 (5-100 mg/kg, p.o.) dose-dependently inhibited the formation of the mucosal lesions induced by ethanol, ethanol-hcl, taurocholate-hcl and serotonin, and its anti-lesion spectrum was the widest among the compounds (cimetidine, pirenzepine, sulpiride and prostaglandin e1) examined here. 2) a ... | 1991 | 1916545 |
| comparison of preston agar and a blood-free selective medium for detection of campylobacter jejuni in food. | the present collaborative study compares recovery of campylobacter jejuni from food in 2 agar media. six laboratories analyzed 8 samples each of chicken liver inoculated with campylobacter jejuni. samples were enriched in preston broth and isolation was carried out on preston agar (pa) and campylobacter blood-free selective medium (cbfs), a charcoal-based medium with cefoperazone and amphoteracin as antibiotic supplements. there was no difference in the recovery rate between the 2 agar media; ho ... | 1991 | 1917811 |
| immunocytochemical identification of helicobacter pylori in formalin-fixed gastric biopsies. | h&e and special histochemical stains are used by most laboratories to identify helicobacter pylori (h. pylori) in gastric biopsy specimens. however, background staining can complicate recognition of h. pylori and small numbers of organisms may be overlooked. additionally, histochemical stains do not distinguish h. pylori from other spiral organisms. we investigated two commercially available monoclonal antibodies, one directed against campylobacter coli and c. jejuni (mab002) and the other again ... | 1991 | 1924280 |
| serologic evidence of campylobacter jejuni/coli enteritis in patients with guillain-barré syndrome. | we performed serologic testing for campylobacter jejuni in 17 consecutive patients with acute guillain-barré syndrome from the boston, mass area to compare the frequency of this preceding infection with the high rates reported from other areas of the world. the rate of seropositivity, 18%, was considerable, but it was lower than that reported in australia. moreover, all of our patients with definite serologic evidence of infection had severe enteritis before guillain-barré syndrome, usually with ... | 1991 | 1929902 |
| urease production by helicobacter (campylobacter) pylori. | urease activity of 50 helicobacter pylori (h. pylori) strains was assessed employing a photometric assay. urea hydrolysis reached a maximum in the late log-phase and during the plateau phase of bacterial growth. the reaction time of h. pylori urease was significantly shorter than that of other urease producing bacteria (p. mirabilis, p. vulgaris, k. pneumoniae, k. oxytoca). increasing the reaction temperature hardly led to an acceleration of the quick urea hydrolysis of h. pylori, in contrast to ... | 1991 | 1930566 |
| [campylobacter jejuni: reflections on enteric infection among mexican children]. | | 1991 | 1930712 |
| [campylobacter jejuni infection in children of a rural community]. | colonization of the intestine with campylobacter jejuni was followed longitudinally from birth in a cohort of 75 rural children with fecal cultures taken every fortnight and every time they had diarrhea. only 25% of children initially colonized with c. jejuni during the first year of life, and 12% of children initially colonized during the second had diarrhea. the age at which a child was initially infected with c. jejuni was not a risk factor in relation with presence of disease. a higher illne ... | 1991 | 1930713 |
| gastric helicobacter and upper gastrointestinal symptoms in chronic renal failure. | we studied histologically antral biopsies from 89 consecutive patients with chronic renal failure for helicobacter pylori (previously campylobacter pylori). a dose-response gastric secretion test was also performed. the frequency of helicobacter-positive subjects was low (15/89, 17%), corresponding to figures reported in the literature for young symptomless volunteers. helicobacter-positive patients had significantly more frequently upper gastrointestinal symptoms than helicobacter-negative indi ... | 1991 | 1930936 |
| yersinia enterocolitica and other enteric pathogens in patients with suspected appendicitis. | | 1991 | 1935101 |
| intestinal colonization of rats following experimental infection with campylobacter jejuni. | oral infection of rats with 10(6)-10(8) colony forming units per ml of campylobacter jejuni resulted in prompt intestinal colonization. campylobacter jejuni was recovered from rat faecal samples for four months post infection. the colonized rats did not succumb to clinical diarrhoea or pyrexia. the resistance of rats to c. jejuni clinical infection and their ability to shed the organism for protracted periods, make rats potential source of zoonotic campylobacteriosis. | 1991 | 1935728 |
| jackdaws and magpies as vectors of milkborne human campylobacter infection. | in 1990 we reported that milk bottles pecked by jackdaws and magpies were a probable source of human campylobacter infection. during april to june 1990 an extended study of campylobacter infections was carried out in the gateshead area. prior to the study a health education programme was undertaken in an attempt to reduce human infection. fifty-nine cases of human infection were recorded and 52 were interviewed. thirty were entered into a case control study which demonstrated a very strong assoc ... | 1991 | 1936158 |
| high-affinity binding of the basement membrane proteins collagen type iv and laminin to the gastric pathogen helicobacter pylori. | the ability of 16 isolates of the human gastroduodenal pathogen helicobacter pylori to bind 125i-radiolabelled tissue proteins was quantitated by liquid-phase assay. while capable of binding generally low levels of collagen types i and ii, vitronectin, and fibronectin (average binding, 8%; highest binding, 23%), the various h. pylori isolates were good binders of the basement membrane proteins collagen type iv and laminin (average binding, 27%; highest binding, 60%). campylobacter species tested ... | 1991 | 1937798 |
| on the microbiological diagnostics of campylobacter jejuni. | investigation of campylobacteriosis cases in 1983-1989 resulted in the isolation of a total of 245 antigenically identified and 23 unidentified strains from humans, animals and foods. a commonly accepted method developed in 1985 using our own experience was used for strain isolation and culturing. a variety of nutrient media in combination with different supplementary substances (antibiotics, growth factors) and additives, such as horse serum, were verified as well as filtration and fortner's pr ... | 1991 | 1940334 |
| characterization of campylobacter jejuni strains occurring in the ussr and the czech republic. | in 1986-1989 the microbiological laboratory in prague obtained 100 campylobacter jejuni strains while its counterpart in moscow gained 120 such strains. the strains were primarily isolated from humans with diarrheal disease, from domestic and wild animals and from the environment. most c. jejuni strains were successfully specified and classified using a czechoslovak serotyping scheme proposed by kahlich. serotypes 1, 2, 7, 15, 22 and 24 occurred most frequently in the czech republic whereas in t ... | 1991 | 1940335 |
| [characteristics of blood flow in the gastric mucosa in relation to its structure and function in patients with peptic ulcer]. | hydrogen clearance was used to assess blood flow in fundal and antral gastric mucosa as well as in the lobule of the auricle in 127 patients with ulcer (99 duodenal and 28 gastric ulcer cases), 34 patients with gastric, duodenal, pancreatic and biliary ++non-ulcer lesions against 20 healthy subjects. the findings underwent analysis in relation to the disease form and phase, baseline characteristics of the mucosa (morphological, functional and bacteriological) and changes in them in response to p ... | 1991 | 1942970 |
| [status of humoral and cellular immunity in patients with a frequently recurring form of stomach ulcer in the presence of campylobacter pylori]. | the findings at examination of 42 patients with gastric ulcer exhibiting frequent relapses were comparatively assessed in relation to humoral and cellular immunity, presence of mucous microflora and campylobacter pyloridis at the ulcer site. it is shown that in the presence of campylobacter pyloridis specific differences in the immune response were not recorded. the same results were true for mucous microflora. | 1991 | 1942981 |
| [bacteremia from campylobacter fetus. increasing interest and incidence]. | three bacteremias of campylobacter fetus were described. one was a male patient and two were females. underlying illnesses were present in all of them (hodgkin disease, aids and hepatic cirrhosis respectively). they were all admitted because of fever and no other symptoms of infectious focus were present. physical findings were not relevant. the blood cultures became positive in days 6, 7 and 9 respectively. antibiotic treatments were not standardised, so no conclusions can be drawn. the evoluti ... | 1991 | 1943296 |
| [traveler's diarrhea. incidence--pathogens--pathophysiology--clinical aspects--prevention and therapy]. | about one-third of travellers will be affected by travellers' diarrhoea. regions with low risk are northern europe, the united states, australia and new zealand. intermediate risk is found in southern europe, most islands of the caribbean, japan, israel and southern africa and high risk in developing countries. among the most commonly isolated pathogens are enterotoxigenic e. coli, salmonella, shigella, campylobacter, g. lamblia, e. histolytica and viruses. the individual risk depends on the age ... | 1991 | 1943430 |
| prevalence of virulence markers of enteric campylobacter in france and tunisia. | forty-nine strains of campylobacter jejuni and c. coli were isolated from the stools of 49 patients clinically documented for diarrhoea and fever, and living either in the paris metropolitan area (30) or in the tunis area (19). the strains were identified biotyped, serotyped and studied for association with hela cells and the ability to elongate chinese ovary cells (cho). the c. jejuni biotype i was more frequent among tunisian strains and the c. jejuni biotype ii was more frequent among french ... | 1991 | 1947431 |
| [campylobacter pylori, chronic gastritis and peptic ulcer]. | | 1991 | 1948339 |
| survival of campylobacter jejuni and pathogenic escherichia coli in mahewu, a fermented cereal gruel. | the survival of strains of campylobacter jejuni and enteropathogenic and enterotoxigenic (lt) escherichia coli was investigated in mahewu, a traditional fermented cereal gruel. the mahewu was inoculated with 10(6) to 10(7) colony forming units of the bacterial cells per ml of the cereal gruel. none of the strains of c. jejuni were detected 30 min after inoculation. all the strains of e. coli were detected after 24 h in mahewu but did not show any increase in numbers of surviving cells. the enter ... | 1991 | 1949147 |
| [the laboratory diagnosis of campylobacteriosis today]. | different conditions necessary for the successful isolation and cultivation of campylobacter (culture media, inoculation techniques, gas mixtures, etc.) are described. of these, the most effective conditions and methods, as well as those available for practical health service, have been determined. the main trends in further improvement of the laboratory diagnosis of campylobacter infection is presented. | 1991 | 1950276 |
| the vaginal ecosystem. | the ecology of vaginal flora is highly susceptible to numerous endogenous and exogenous influences. possible mechanisms that might influence changes in the vaginal flora are microbial antibiosis, adhesion to the vaginal epithelial lining, e.g., availability of receptors, hormonal changes including physiologic alterations, disease states, drug therapy, sexual activity, and to a lesser extent, the immunologic status of the person. the role that these mechanisms may play in promoting vaginitis, vag ... | 1991 | 1951571 |
| comparative study of colonizing and noncolonizing campylobacter jejuni. | campylobacter jejuni a74/o and a74/c are congenic strains. an oral dose of 10(5) organisms of strain a74/c colonizes chicken intestines. strain a74/o, from which a74/c is derived, does not colonize the chicken intestines with an oral dose of 10(5) organisms. in this study, the congenic bacteria were compared to identify possible colonization mechanisms. differences were not observed in plasmid content or by hindiii, pst i, acc i, hincii, ava i, ava ii, xba i, and bamhi restriction enzyme digesti ... | 1991 | 1952344 |
| isolation of clostridium propionicum strain 19acry3 and further characteristics of the species. | two mixed cultures able to ferment acrylate to equimolar acetate and propionate were enriched from anaerobic sediments. from one of these mixed cultures a pure culture of a gram-positive, obligately anaerobic bacterium was isolated. this strain, designated 19acry3 (= dsm 6251) was identified as belonging to the species clostridium propionicum. only a narrow range of organic compounds supported growth, including acrylate and lactate. acrylate and lactate were fermented to acetate and propionate i ... | 1991 | 1953298 |
| diagnosis by elisa of bovine abortion due to campylobacter fetus. | an enzyme-linked immunosorbent assay (elisa) was developed to detect antigen-specific secretory iga antibody in bovine vaginal mucus after abortion due to campylobacter fetus subsp venerealis. abortions were diagnosed by isolating the organism from 8 foetuses and/or foetal membranes and by histopathology. vaginal mucus was collected from 7 cows shortly after abortion. all showed a high level of iga antibody in their vaginal mucus when they were compared with an uninfected control group. the new ... | 1991 | 1953551 |
| characterization of thermophilic campylobacters originated from a high-rate sewage treatment plant. | campylobacter strains isolated during a one-year study from a municipal waste water treatment plant have been characterized. the study shows a considerable release of campylobacter strains into the receiving linked river system. campylobacters isolated here, are very similar to isolates originating from enteritic cases. in contrast to other reports we conclude that the strains released from the sewage treatment plant into the environment represent a potential risk for public health. | 1991 | 1953930 |
| seasonal effects on the reported incidence of acute diarrhoeal disease in northeast thailand. | this paper examines the seasonal variation in the reported incidence of acute diarrhoea for selected areas in the northeast of thailand. charts are presented which show rainfall, temperature and reported incidence of acute diarrhoea for the period 1982 to 1987. incidence of diarrhoea appears to be inversely related to a sharp decrease in temperature around january each year. although rainfall does not appear to have a direct effect on the relative incidence of acute diarrhoea, there is always a ... | 1991 | 1955264 |
| enteric infections associated with exposure to animals or animal products. | the epidemiology and clinical presentation of enteric infections are discussed in this article. these include bacterial, viral, and parasitic illnesses, and are associated with the increasing popularity of drinking unpasteurized milk; eating raw fish and shellfish; consuming undercooked pork, poultry, and eggs; and having contact with pets. salmonella, campylobacter jejuni, vibrio, yersinia, aeromonas, edwardsiella, hepatitis a virus, norwalk virus, anisakis, eustrongylides, diphyllobothrium, na ... | 1991 | 1955706 |
| helicobacter pylori in gastric biopsy specimens. comparison of culture, modified giemsa stain, and immunohistochemistry. a retrospective study. | antral biopsy specimens of 302 different endoscopic investigations of 200 patients with non-ulcer dyspepsia were studied for the presence of helicobacter pylori in order to determine the most sensitive detection method. part of the biopsy was cultured, and part stained using a modification of the giemsa stain, and with an immunoperoxidase technique using a polyclonal rabbit anti-h. pylori antiserum. cross-reactivity of this antiserum with other campylobacter species was minimal. material from 24 ... | 1991 | 1955938 |
| common and variable domains of the flagellin gene, flaa, in campylobacter jejuni. | the organization of the flagellin gene locus in campylobacter jejuni strain in1 (lior 7) was determined using the polymerase chain (pcr) reaction and a series of oligonucleotide primers. two tandemly arranged flagellin genes of approximately 1.7 kb were found to be joined by an intervening segment of c.0.2kb, similar to that reported for campylobacter coli. the 5' flagellin gene, flaa, was generated by pcr and both strands sequenced. comparison of the deduced amino acid sequence for c. jejuni fl ... | 1991 | 1956293 |
| [bacterial ileocecitis, a "new" disease]. | 786 patients with suspected acute appendicitis or appendiceal mass were examined by ultrasonography to distinguish appendicitis from bacterial enteritis. 533 of these patients were described before. in 91 (11.6%) ultrasonography revealed the characteristic picture associated with bacterial enteritis of the ileocaecal region-enlarged mesenteric lymph nodes and mural thickening of the terminal ileum and caecum--but no image of an inflamed appendix. in 64 of these a bacterial infection was confirme ... | 1991 | 1956444 |
| the etiology of childhood diarrhea in northern coastal peru: the 1989 fuerzas unidas humanitarian civic action--a model for international and interservice cooperation, community service, and scientific opportunity. | as a humanitarian civic action project, american and peruvian military medical personnel established a temporary clinic in dos palos, peru. fecal specimens from 20 diarrheic children and 10 non-diarrheic controls were tested for common agents of diarrhea. enteropathogens detected in diarrheic stools were enterotoxigenic escherichia coli (etec; 30%), aeromonas (20%), enteropathogenic e. coli (15%), and campylobacter (15%). isolates from control specimens were aeromonas (10%) and campylobacter (10 ... | 1991 | 1956529 |
| enterotoxin-producing bacteria isolated from swedish travellers with diarrhoea. | the isolation rate of bacterial enteropathogens of different species, particularly enterotoxin-producing gram-negative bacteria, was determined in stool specimens from swedish travellers with diarrhoea. overall, bacterial enteropathogens were identified in 101 (47%) of the 217 travellers on their return home. the most common isolates were enterotoxin-producing bacteria (20%), salmonellae (18%) and campylobacter (8%), whereas shigellae (3%) and yersinia (0.5%) were rarely identified. mixed infect ... | 1991 | 1957131 |
| survival of escherichia coli and campylobacter jejuni in untreated and filtered lake water. | the survival of campylobacter jejuni and escherichia coli in lake water was studied using viable counts. escherichia coli survived better than c. jejuni in all the test conditions studied. both the species survived better in filtered than in untreated water. this suggests that predation and/or competition for nutrients affect the survival of both the species in an aquatic environment. campylobacter jejuni survived less well in filtered autoclaved water and in 0.9% nacl than in filtered water wit ... | 1991 | 1960115 |
| antibiotic sensitivity pattern; experience at university hospital, riyadh, saudi arabia. | results of sensitivity testing were discussed based on examination of 5192 isolates of the various bacteria isolated from clinical specimens from king khalid university hospital in riyadh, saudi arabia. streptococcus pyogenes and streptococcus pneumoniae were sensitive to penicillin and erythromycin. the sensitivity pattern of staphylococcus aureus was also predictable as they were fairly sensitive to both methicillin (98%) and erythromycin (96%). neisseria gonorrhoeae (27%) showed a high level ... | 1991 | 1960392 |
| [antibacterial activities of ofloxacin against recent isolates from patients with community-acquired infections]. | in order to survey antibacterial activities of ofloxacin (oflx) against 1,440 bacterial strains isolated from patients with community-acquired infections in 1987 and 1990, minimum inhibitory concentrations (mics) of the drug as well as those of other new quinolones and oral cephems were determined. the following conclusions were reached. 1. comparison of the mic distribution for strains isolated in 1987 with those in 1990 suggested a tendency toward an increase in the frequency of oflx-resistant ... | 1991 | 1960856 |
| the etiology of diarrhea among american adults living in peru. | during 1984-1989, 655 diarrheic and 287 nondiarrheic stool specimens from adult u.s. citizens living in lima, peru were tested for presence of bacterial enteropathogens. frequencies of isolation among diarrheic specimens were: shigella 9.8%; campylobacter 6.1%; enterotoxigenic escherichia coli (etec) 6.0%; plesiomonas 2.0%; salmonella 1.4%; and vibrio 0.6%. isolates recovered from non-diarrheic stools were: shigella 4.5%; campylobacter 2.1%; salmonella 1.0%; etec 0.7%; plesiomonas 0.7%; and vibr ... | 1991 | 1961431 |
| campylobacter infections and salmonellosis. | | 1991 | 1962005 |
| [rotavirus diarrhea in children hospitalized in wrocław clinics]. | studies have been performed in 250 children aged 0 to 3 years suffering from diarrhoea. rotaviruses have been founded in 25% of cases, most frequently in children aged 0 to 3 months (29.6%), and 6 to 12 months (21.8%). frequency of rotavirus infections was highest during february. in 26% of subjects studied the coexisting infection with enteropathogenic escherichia coli strains or salmonella and campylobacter jejuni has been observed. the rotazyme ii test is more sensitive than the rotalex and r ... | 1990 | 1965233 |
| "gastrospirillum hominis": another four cases. | | 1990 | 1967371 |
| hypothesis: helicobacter pylori, urease, mucus, and gastric ulcer. | ammonia, released in the gastric mucosa by the action of helicobacter pylori urease on transuded plasma urea, curtails the biosynthesis of mucus and/or causes the mucus to be disassembled at the mucosal surface. these changes facilitate colonisation by h pylori and may promote gastric ulcer formation. | 1990 | 1967668 |
| metronidazole-resistant helicobacter pylori. | | 1990 | 1968548 |
| is "campylobacter upsaliensis" an unrecognised cause of human diarrhoea? | for 3 years a filtration system for the isolation of "new" campylobacter was included in the culture protocol of 15,185 stool specimens. "c upsaliensis" was isolated in 99 patients, c jejuni subsp doylei in 4, and c hyointestinalis in 2. "c upsaliensis" was the only organism isolated in 83 patients. clinical information was available for 77 out of these 83 patients. 92% of the patients had diarrhoea; vomiting and fever were rare (14% and 7%, respectively); the onset was mostly sudden; and the sy ... | 1990 | 1968583 |
| helicobacter gastritis and intestinal metaplasia in a gastric cancer family. | | 1990 | 1969086 |
| helicobacter pylori, mucus, and gastric ulcer. | | 1990 | 1969087 |
| prevalence of campylobacter pylori as demonstrated by histology or clo-test in different types of gastritis. a study in 5 clinically predefined groups of patients. | the prevalence of campylobacter pylori infection as detected by histology was studied in 5 predefined groups of patients. the associated histologic and endoscopic findings were registered. validity of clo-test was tested against the histologic detection. the following groups of patients were studied: a) non-ulcer dyspepsia (defined by one or all of three symptoms: heartburn, nausea/inappetence, halitosis/belching) b) control group (no specific symptoms, no ulcer, no history of gastric surgery) c ... | 1990 | 1969152 |
| fluoroquinolone resistance in campylobacter spp isolated from human stools and poultry products. | | 1990 | 1969524 |
| metronidazole resistance in helicobacter pylori. | | 1990 | 1970050 |
| helicobacter pylori acid resistance. | | 1990 | 1971083 |
| cure of duodenal ulcer associated with eradication of helicobacter pylori. | 50 patients with intractable duodenal ulcer were randomly assigned to 4 weeks of treatment with colloidal bismuth subcitrate (cbs) alone (26 patients) or with amoxicillin and metronidazole (24 patients). 5 patients (all on triple therapy) withdrew because of side-effects. in 17 of the 45 patients who completed the treatment, helicobacter pylori was eradicated, and there was no ulcer relapse during the first 12 months of follow-up. the ulcer relapse rate was significantly higher (17 of 21 [89%]) ... | 1990 | 1971318 |
| in vitro killing of helicobacter pylori with photodynamic therapy. | | 1990 | 1971363 |
| guillain-barré syndrome and campylobacter jejuni infection. | | 1990 | 1971411 |
| jackdaws as potential source of milk-borne campylobacter jejuni infection. | | 1990 | 1971891 |
| helicobacter pylori and hiv infection. | | 1990 | 1972223 |
| cure of peptic ulcer associated with eradication of helicobacter pylori. | | 1990 | 1972523 |
| fluoroquinolone-resistance in thermophilic campylobacter spp isolated from stools of spanish patients. | | 1990 | 1973508 |
| vaccination against helicobacter pylori urease. | | 1990 | 1973509 |
| treatment of acute or chronic severe, intractable pain and other intractable medical problems associated with unrecognized viral or bacterial infection: part i. | in many cases of chronic intractable pain without any discernible causes, when both western medical treatment and acupuncture treatment failed to eliminate the pain, this pain is often due to the unrecognized presence of viral or bacterial infection. even effective anti-viral or bacterial agents often fail to eliminate or inhibit the infection, as these drugs may also fail to reach the most painful area where often unrecognizable circulatory disturbances co-exist. using the bi-digital o-ring tes ... | 1990 | 1973580 |
| cure of duodenal ulcer after eradication of helicobacter pylori. | eighty-two patients, whose duodenal ulcers were recurrent or resistant to h2-receptor antagonist therapy, were entered in a treatment protocol of ranitidine followed by a four-week "triple therapy" course to eradicate helicobacter pylori (hp) infection. the triple therapy consisted of colloidal bismuth subcitrate, tetracycline and metronidazole. duodenal ulcer healed in all 78 patients available for endoscopy and h. pylori infection was shown to be eliminated in 75 patients (96%) at rebiopsy fou ... | 1990 | 1974027 |
| bismuth and dyspepsia. | | 1990 | 1974995 |