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salmonella virchow: abscess former amongst the contemporary invasive salmonellae?abscess formation associated with salmonella infections has long been recognized--but without implicating a particular serotype. the pathogenicity, invasiveness and increasingly frequent isolation of salmonella virchow in the uk is well established. it's propensity to abscess formation is, however, less well recognised. we report 5 patients with abscesses due to s. virchow. this represents a disproportionate number of abscesses in relation to the salmonella isolations in north east scotland duri ...19911957130
a comparison of methods for the isolation of salmonellae from sewage sludge.methods for the isolation of salmonellae from sewage sludge were compared. buffered peptone water and lactose broth were compared to determine their efficiencies as preenrichment media and temperature and duration of incubation were also investigated. in addition five enrichment and five plating media were compared together with the effects of multiple plating of enrichment broths. buffered peptone water incubated at 43 degrees c for 24 h was shown to be the pre-enrichment method of choice with ...19846377754
invasive disease due to salmonella virchow: a north queensland problem.salmonella virchow is the second most commonly isolated salmonella serotype from human sources in australia, and overseas studies indicate that s. virchow is a significant cause of extraintestinal salmonellosis. the successful management of three infants, two with septicaemia and one with leptomeningitis and septicaemia due to s. virchow, is described. a review of the townsville general hospital laboratory records (1978-1988) showed that, among other aspects, s. virchow accounted for 46% of all ...19902233451
salmonella septic arthritis: a case report and review.we describe a case of septic arthritis in a child with no apparent predisposing conditions. salmonella virchow was isolated from her knee and faeces, both isolates being identical except for the latter's resistance to ampicillin. evidence is presented for the acquisition of ampicillin resistance in vivo, including the demonstration of the r plasmid and its ready transferability to escherichia coli. the recent literature on the subject is reviewed and the role of group ci salmonellae in invasive ...19902230179
splenic and renal abscesses following salmonella virchow septicaemia--conservative management with ciprofloxacin.splenic abscess formation is a serious condition which usually requires prompt surgical intervention. we report on a patient with salmonella virchow septicaemia, complicated by peritonitis and multiple splenic and renal abscesses. this is an uncommon manifestation of non-typhoid salmonella infection, which was managed conservatively with oral ciprofloxacin, leading to satisfactory resolution and cure.19902102185
use of ciprofloxacin to control a salmonella outbreak in a long-stay psychiatric hospital.an outbreak of diarrhoea due to salmonella virchow phage type 8 occurred in a major block of a large psychiatric hospital. the two other major blocks of the hospital remained unaffected. no source of infection was identified and the epidemiological investigations pointed to cross-infection as the mode of transmission. infection control measures were implemented at an early stage but a total of 55 patients and four members of staff were affected. the disease was self-limiting and of short duratio ...19911675645
salmonella virchow testicular abscess.during the summer of 1977 an epidemic of salmonellosis traced to precooked, prepackaged roast beef occurred in the northeastern united states. a case is reported of a testicular abscess, a rare manifestation of salmonellosis, in an adolescent boy who had a recent history of ingesting such roast beef. the type of salmonella recovered from the patient was the same as a type in the epidemic.1979459030
neonatal meningitis due to salmonella virchow. 19836672088
multiple salmonella endocarditis.a patient with known rheumatic mitral stenosis who developed infective endocarditis associated with a diarrhoeal illness is described. dual infection with salmonella virchow and salmonella montevideo was identified. the illness was otherwise uncomplicated and she recovered after six weeks' treatment with parenteral antibiotics.19846527045
a comparison of enrichment media for the isolation of salmonellae from seagull cloacal swabs.the relative efficiency of three selective enrichment broths (muller-kauffmann tetrathionate. rappaport's and selenite f) was investigated for the isolation of salmonellae from seagull cloacal swabs. pre-enrichment in buffered peptone water was employed throughout the study, which involved the examination of 560 gulls, sixty (10.7%) of which were found to be carrying salmonellae. rappaport's broth as modified by vassiliadis for incubation at 43 degrees c (vassiliadis et al. 1976) yielded the hig ...19836350446
salmonella virchow: a cause of significant bloodstream invasion.salmonella virchow, a food poisoning strain previously only sporadically responsible for disease, has recently been isolated with increasing frequency in scotland. the experience of infections due to this organism in 1980 in an infectious diseases unit is reported. nine of 15 patients consecutively admitted with infection due to this organism were found to be septicaemic on blood culture thus highlighting the invasive propensity of this serotype.19836867700
salmonella virchow in a chicken-packing station and associated rearing units.in tracing the source of an outbreak of food-poisoning with salmonella virchow a chicken-packing station and associated rearing farms were investigated. the serotype was found in chickens in 9 of the 14 rearing farms investigated and in the hatchery, but not in the breeding flocks supplying the hatchery. several personnel on the farms were affected. the infection was most likely to have been introduced by contaminated feeding-stuffs.19685750405
outbreak of food-poisoning caused by salmonella virchow in spit-roasted chicken.salmonella virchow food-poisoning acquired from eating chicken caused illness in at least 50 people who attended a tennis club function in liverpool, and in many other people in the merseyside area. in some cases the illness was severe, with positive blood cultures, and 35 people were admitted to hospital.the source of infection was a retail shop which received deep-frozen chickens already contaminated with s. virchow from a packing-station in cheshire. these chickens were spit-roasted after ina ...19685750404
cholecystitis and subphrenic abscess caused by salmonella virchow. 19817301671
orchitis and testicular abscess formation as complications of salmonella virchow gastroenteritis. 19734757570
congestive heart failure complicating salmonella virchow septicaemia. 19873819460
meningism following salmonella virchow food poisoning.thirty six patients were admitted to hospital as a result of salmonella virchow infection during an outbreak of food poisoning in essex in 1984. out of 12 patients with evidence of bloodstream invasion, one third presented primarily with meningism and attention is drawn to this unusual clinical picture.19863748927
[salmonella sepsis caused by salmonella virchow]. 19873670217
salmonella virchow osteomyelitis. a case report.a case of salmonella osteomyelitis of the spine complicated by meningitis after needle biopsy is described. the importance of obtaining definitive bacteriological diagnosis in bone infection is emphasised and the changing pattern of salmonella infection discussed.19883372568
the effect of fumigation with methyl bromide or formaldehyde on the infectivity of poultry house litter naturally contaminated with salmonella virchow. 19751148812
comparative efficacy of four vaccines against salmonella virchow in chicks in india.the efficacy of four vaccines in preventing salmonella virchow infection in poultry was assessed by determining survivors after challenge, bacteriological status of tissues and excretion through stool and eggs following artificial infection in vaccinated and control birds. the study indicated that formol killed oil-adjuvant vaccine conferred the highest degree of immunity followed by gel and freund's complete adjuvant vaccines.19892799089
[pefloxacin in the treatment of septicemia, purulent meningitis and salmonellosis].thirty two patients (16 female and 16 male), ranging in age from 13 to 80 years, were treated with pefloxacin (abactal) at the clinic of infectious diseases and febrile conditions. pefloxacin was applied parenterally in 21 patients with serious infections. 15 of the cases had the signs of verified septicemia, i. e. bacteriemia; 5 patients developed purulent meningitis, i. e. meningoencephalitis; and in one patient bronchopneumonia occurred. isolated causative agents (staphylococcus aureus, s. ep ...19892640275
immunohistological demonstration of salmonella virchow in a case of infant death. 19892627205
an outbreak of salmonella saint-paul infection associated with beansprouts.in march 1988, there was an outbreak of infection by a strain of salmonella saint-paul with a distinctive antigenic marker. a total of 143 reports were received between 1 march and 7 june. preliminary investigations suggested that raw beansprouts were a possible source of infection and a case-control study confirmed the association. s. saint-paul of the epidemic type was isolated from samples of beansprouts on retail sale in different cities in the united kingdom and from mung bean seeds on the ...19902323356
salmonella virchow phage type 26. 19947520806
systemic infections in three infants due to a lactose-fermenting strain of salmonella virchow.three previously healthy children developed gastroenteritis which led within a few days to systemic infections, two cases of bacteremia and one of meningitis. a lactose-fermenting salmonella virchow strain was isolated from cerebrospinal fluid and blood cultures. in one case, this strain was also isolated from stool cultures. all the children had been fed the same milk formula. there was no other relationship between them. the batch of dried-milk formula was confirmed as the source of the infect ...19957556238
acalculous cholecystitis due to salmonella virchow.we report a case of systemic infection with salmonella virchow in a 21-year-old male who subsequently developed acalculous cholecystitis. his symptoms and signs-resolved with parenteral antibiotics, as did the ultrasonographic findings in the gall bladder. to our knowledge, this is the first reported case of acalculous cholecystitis due to this serotype.19902102236
outbreak of gastroenteritis due to salmonella virchow in a maternity hospital.an outbreak of gastroenteritis due to salmonella virchow occurred in a maternity hospital in the midlands in october-november 1968. twenty-six babies and six mothers were infected. fifteen of the babies had diarrhoea and 10 of these were in the special care baby unit the only fatal case was that of an infant with gross congenital malformations.the outbreak followed the admission of a patient to the delivery suite who was subsequently shown to be a symptomless excreter of s. virchow. a major fact ...19695803688
intra-strain heterogeneity in expression of lipopolysaccharide by strains of salmonella virchow.strains of salmonella virchow express long-chain lipopolysaccharide which migrates as one of two distinct profiles during sds-page. both lps phenotypes were detected within a given strain of salm. virchow and shared the o = 7 antigen.19957765869
the detection of salmonella in skimmed milk powder enrichments using conventional methods and immunomagnetic separation.skimmed milk powders were spiked with one of three salmonella serovars and incubated in buffered peptone water for 24 h. no false-negative results were obtained by immunomagnetic separation (ims), compared to seven for selenite cysteine, one for müller-kauffmann tetrathionate and two for rappaport-vassiliadis enrichment broths. salmonella virchow was detected and enumerated during the pre-enrichment incubation by ims and indirect conductance techniques. the salm. virchow cell number did not incr ...19957786502
salmonella virchow infection in an infant transmitted by household dogs.a 4-month-old male infant manifested diarrhea and salmonella virchow was isolated from his stool. the pathogen was repeatedly isolated from the infant over one month despite three regimens of treatment with antibiotics, to which the isolate was sensitive. three household dogs were kept in his home and s. virchow was isolated from two of them. the infant was admitted to hospital and was treated with antibiotic, then the pathogen was finally eliminated. antibiotic sensitivity pattern and pfge patt ...200010945298
[infection with multi-resistant salmonella virchow acquired in denmark].two cases of infection with multiply resistant salmonella virchow were probably acquired in denmark. a 30-year old man and a 20-year old woman had both eaten from the same buffet at a summer restaurant and developed gastrointestinal symptoms and fever after three and six days, respectively. the patients ran a fever for two and five weeks before the admission to the hospital and the woman developed a tuboovarial abscess complicated by peritonitis. s. virchow resistant to ampicillin, streptomycin, ...19938212380
characterization of salmonella virchow phage types by plasmid profile and is200 distribution.the type strains of the 57 phage types of salmonella virchow have been characterized by plasmid profile and by distribution of the insertion sequence is200. thirty-two strains carried plasmids and 21 profile types were identified; 17 strains were resistant to antimicrobial agents. in contrast only six of the type strains carried is200 elements and three patterns were identified. within salm. virchow phage type 31, five of 10 wild-type isolates carried plasmids and two plasmid profiles were ident ...19938300445
susceptibility patterns and serotypes of non-typhoidal salmonella in trinidad.to study the serotype distribution of non-typhoidal salmonella isolated from clinical specimens and to evaluate their susceptibility patterns to the most commonly prescribed antimicrobial agents used in this region.200111744940
changes in susceptibility of salmonella enteritidis, salmonella typhimurium, and salmonella virchow to six antimicrobial agents in a spanish hospital, 1980-1994.to determine changes in the susceptibility patterns of salmonella enteritidis, salmonella typhimurium, and salmonella virchow over time, resistance to ampicillin, chloramphenicol, tetracycline, gentamicin, trimethoprim/sulfamethoxazole, and nalidixic acid was studied by the disk diffusion method in 1,024, 191, and 61 clinical isolates of these organisms, respectively. all isolates were recovered from 1980 to 1994 at a hospital in madrid, spain. salmonella enteritidis isolates were less resistant ...19968641312
invasive illness with salmonella virchow infection.salmonella virchow infection in man is usually sporadic and is little known in britain. we report an outbreak of 21 cases in the manchester area. the source of infection was believed to be chickens bought at different shops. symptoms were typhoidal or septicaemic.19744856881
salmonella virchow pt 26 infection in england and wales: a case control study investigating an increase in cases during 1994.an increase in the number of human isolates of salmonella virchow phage type (pt) 26 in england and wales during 1994 was investigated. a national case control study was conducted which included 88 cases and 182 controls. the cases were mostly young adults (median age 26) and 13 (15%) were admitted to hospital. acquisition of s. virchow pt 26 was associated with the consumption of any chicken (or 2.5, ci 1.1-5.8), of chicken curry from restaurants and take aways (or 2.9, ci 1.4-6.1), and of some ...19968760948
cholecystolithiasis and infection of the biliary tract with salmonella virchow--a very rare case in early childhood.in early childhood gallstones are rare. however, in the last years the number of patients has increased. a possible cause for calculous and acalculous cholecystitis are infections with salmonella species. the following report describes a case of perforated cholecystitis and cholecystolithiasis accompanied by microbiological finding of salmonella virchow in the gallbladder in a three-and-a-half-year-old boy. a combination of symptomatic cholecystolithiasis and salmonella virchow has not yet been ...19958773231
false aneurysm formation after salmonella virchow infection of a pre-existent ventricular aneurysm--survival after surgical resection.a 55 year old man with a left ventricular aneurysm, secondary to a previous myocardial infarction, was hospitalized due to a salmonella virchow bacteraemia. during a 3-week hospital course he was persistently bacteraemic and febrile despite antibiotic treatment. gallium isotope scanning and 2-d-echocardiography were helpful in demonstrating the presence of an infected false aneurysm at the site of a true aneurysm. surgical resection in addition to prolonged antibiotic therapy was necessary for c ...19892813237
enterotoxin and cytotoxin production by salmonella enteritidis strains isolated from gastroenteritis outbreaks.seventy-six salmonella enteritidis, three salmonella virchow and one salmonella bradenrup strains were screened for enterotoxigenicity by using the chinese hamster ovary (cho), y1 adrenal, vero and hela cell tests. all the strains gave positive reactions for enterotoxin production, except one, and the relative sensitivity to the toxin exhibited by the different cell lines was evaluated. an enterotoxic activity has been identified in sonicated extracts of salm. enteritidis. this enterotoxin was p ...19979113874
[the immunosuppressive activity of filtrates of the culture broth from nonvirulent salmonellae].cultural filtrates (cf) of avirulent salmonella virchow and salmonella dublin have been studied for their influence on the delayed type hypersensitivity (dth) to test-antigen in mice. it is found that i.p. injection of cf inhibits dth in mice. the immunosuppressive activity is indicated in lipid fraction of cf and it may be removed from cf by the o-specific immunosorbent. it is heat-stable and disappears after phenol or trichloroacetic acid treatment. gel filtration data evidence for high molecu ...19979221061
salmonella meningitis in children in far north queensland.seven cases of salmonella meningitis have occurred in infants in far north queensland since 1982. the mean age of onset was 2.8 months, and at least five of the cases were caused by salmonella virchow. five of the cases had significant complications during the acute illness: all required prolonged (median 34 days) inpatient management, and four developed permanent neurological sequelae. s. virchow is the serovar most frequently isolated from infants in far north queensland. the source of s. virc ...19979484688
increasing ciprofloxacin resistance in salmonellas in england and wales 1991-1994.ciprofloxacin is now widely used as the drug of choice for those severe salmonella infections where antibiotic therapy is indicated. between 1991 and 1994 ciprofloxacin resistance in salmonellas isolated from humans in england and wales increased from 0.3% to 2.1%. among the most prevalent serotypes the highest incidence was seen in salmonella hadar where ciprofloxacin resistance has increased from 2.0% in 1991 to 39.6% in 1994. the incidence of ciprofloxacin resistance remains uncommon in other ...19968647778
meningitis due to salmonella virchow in an infant. 196314048931
interregional foodborne salmonellosis outbreak due to powdered infant formula contaminated with lactose-fermenting salmonella virchow.spain's salmonella surveillance system backed by regionally-based epidemiologists around the country made it possible to detect and halt the spread of a foodborne salmonellosis outbreak due to powdered infant formula contaminated with a lactose-fermenting strain of salmonella virchow. forty-eight cases involving children, mostly under 7 months old, were detected in 14 out of spain's 17 regions. the outbreak started in january and ended in june 1994. all cases were microbiologically confirmed. th ...19968891542
[endotoxin kan reduce the level of antibodies against lipopolysaccharides. a case report on reactive arthritis following salmonella virchow infection]. 19989772785
[salmonella virchow meningitis in an infant]. 19957734505
multiple analysis of a foodborne outbreak caused by infant formula contaminated by an atypical salmonella virchow strain.an outbreak of food poisoning involving most autonomous spanish communities was detected in the first half of 1994. the causative food was infant formula milk contaminated by lactose-fermenting salmonella virchow. it was not possible to isolate the causative strain from the manufacturer's facilities. during the same period of time, there was a significant increase in lactose-non-fermenting salmonella virchow strains compared with the same period in previous years. simultaneously, lactose-non-fer ...19989796652
phage types of australian isolates of salmonella enterica subsp. enterica serovar virchow.australian isolates (79) of salmonella enterica subsp. enterica serovar virchow (salmonella virchow) were characterized by phage typing. thirteen phage types were identified, of which phage type (pt) 8, representing 54 of 79 isolates, was predominant, as it had been in england and wales up to 1994 when it was replaced by pt26. other phage types identified in australia were distinct from those observed in england and wales. this suggests that pt8 may be a global phage type, while others may be di ...19989812398
a case report of renal abscess caused by salmonella virchow phage type 1 associated with a papillary renal cell carcinoma. 199910090513
myocarditis due to salmonella virchow and sudden infant death.a strain of salmonella virchow was isolated in the myocardium of a 1 1/2 month child who died suddenly. the source of contamination was the water of a family aquarium containing turtles.199910501372
decontamination of chicken carcasses artificially contaminated with salmonella.a study was conducted to evaluate the efficacy of three chemical disinfectants and of ionising radiation in reducing the level of contamination in chicken carcasses which had been artificially contaminated with salmonella virchow. chicken carcasses were obtained from a local abattoir. five carcasses and one control carcass were used to test each concentration of disinfectant and the radiation. the amount of contaminant employed was 0.5 ml of 10(4) colony-forming units per ml of s. virchow spread ...19979567315
[bactericidal activity of 6 antibiotics and 3 combinations against 6 strains of salmonella isolated from blood].the bactericidal activity of 6 antibiotics and 3 combinations was evaluated against 6 salmonella strains isolated from blood: 3 sensitive to all antibiotics tested (1 salmonella typhi, 1 salmonella paratyphi a et 1 salmonella enteritidis) and 3 harbouring a tem penicillinase (1 salmonella typhi, 1 salmonella virchow et 1 salmonella typhimurium). mics of 6 antibiotics, ceftriaxone, cefotaxime, cefoperazone, ciprofloxacin, amikacin and chloramphenicol were determined by microdilution method in mue ...19957567112
[severe heart failure and skin lesions caused by salmonella virchow. report of a case].we describe a case of congestive heart failure caused by a salmonella virchow sepsis. concurrent with this there were considerable skin lesions. the diagnosis was made as result of stool and skin biopsy culture. there was a good response to treatment.19957578818
resistant salmonella virchow in quail products. 200516485503
[acute myocarditis in non-typhoid salmonella infection].the authors report a case of myocarditis secondary to a salmonella virchow infection in a 20 year old non-immunodeficient man without a previous medical history. the outcome was favourable after treatment with fluoroquinolone. the features of this rare complication of non-typhic salmonella infection are discussed with respect to this and four other recently published cases.19957646257
fresh garlic: a possible vehicle for salmonella virchow.a sustained increase in salmonella enterica serovar virchow notifications in south eastern australia between september 1997 and may 1998 instigated a case-control study and environmental investigations. cases were defined as having locally acquired culture-confirmed s. virchow phage-type 8 infection and diarrhoeal disease. matched controls were selected by progressive digit dialling based on cases' telephone numbers. an exposure and food history questionnaire was administered by telephone. phage ...200314959768
prevalence of salmonella spp. in poultry broilers and shell eggs in korea.this study was conducted to determine the presence of salmonella spp. in raw broilers and shell eggs in korea. in total, 135 dozen shell eggs and 27 raw broilers were tested. none of the egg yolks were found to contain salmonella organisms but escherichia coli, escherichia hermanii, and citrobacter freundii were isolated from egg shells. salmonella spp. were detected in 25.9% of raw broilers, and salmonella serotypes isolated from raw broilers were salmonella enteritidis, salmonella virchow, and ...200010826725
acute cholecystitis and septic shock due to salmonella virchow. 200010873193
plasmid-mediated quinolone resistance conferred by qnrs1 in salmonella enterica serovar virchow isolated from turkish food of avian origin.to study the molecular characteristics of the quinolone and associated ampicillin resistance mechanisms present in salmonella enterica serovar virchow isolated from turkish foods.200717881633
salmonella virchow meningitis in an adult.we report here a case of meningitis caused by salmonella virchow in a woman without signs or history of immunosuppression. salmonella meningitis is a rare complication of human salmonellosis. the patient was successfully treated with ciprofloxacin. to our knowledge, this is the first reported case of confirmed meningitis in an adult caused by this serotype.200010959659
outbreak of salmonellosis in a restaurant in stockholm, sweden, september - october 2006.the largest outbreak of salmonellosis in 25 years in stockholm county occurred during september - october 2006. a total of 115 persons who had a meal at a restaurant in stockholm were notified as cases of salmonellosis through the swedish surveillance system. the probable vehicle of the outbreak was mung beans, soaked in lukewarm water for 24 hours before being served at the restaurant. these mung beans had been included in all dishes served in the restaurant and the outbreak was terminated when ...200718005653
antimicrobial drug resistance in human nontyphoidal salmonella isolates in europe 2000-2004: a report from the enter-net international surveillance network.a 5-year survey, from 2000 to 2004, of results of antimicrobial susceptibility testing for 11 antimicrobials for 134,310 isolates of nontyphoidal salmonellas from cases of human infection in 10 european countries has demonstrated an overall increase in the occurrence of resistance, from 57% to 66% over the period of study. in contrast, multiple resistance (to four or more antimicrobial drugs) has declined from 18% to 15%. the most significant increase in resistance has been to nalidixic acid (14 ...200818366323
acalculous cholecystitis caused by salmonella virchow. 200818522580
enteric fever and other extraintestinal salmonellosis in university hospital, nottingham, uk, between 1980 and 1997.the clinical spectrum of extraintestinal salmonellosis comprises enteric fever (typhoid and paratyphoid) and invasive infections due to nontyphoidal salmonellae. this study describes the clinical spectrum, management and outcome of all confirmed cases of extraintestinal salmonellosis in patients admitted to university hospital, nottingham, uk, between 1980 and 1997. there were 142 cases (children, 42; adults, 100) of extraintestinal salmonellosis, of which 38 (children, 20; adults, 18) were ente ...200011057501
invasive salmonella virchow infection in childhood.salmonella virchow is generally considered to be one of the less invasive non-typhoidal salmonellae species; however, several invasive cases have previously been reported. we report 3 cases of otherwise healthy children with s. virchow bacteraemia, monoarthritis and prevertebral abscess, only 1 of whom had previously had gastroenteritis. all 3 children responded to antibiotic regimens consisting of cefotaxime for 10 d, ceftriaxone for 3 weeks and ceftriaxone plus clindamycin for 4 weeks, respect ...200111760173
[salmonella bacteremia].non-typhi salmonellae are invasive bacteria, which can, in certain conditions, get into the blood stream, and course bacteriemia or localized infections in different organ systems. incidence of salmonella bacteriemia varied in different studies between 5.2-13.7%. the incidence is higher in patients younger than 1 year and the elderly. among different serotypes, the most invasive are salmonella typhimurium, salmonella choleraesuis and salmonella virchow. the aim of our study was to determine the ...200111905187
chronic relapsing salmonella osteomyelitis in an immunocompetent patient: case report and literature review.we present the first case of salmonella virchow causing a relapsing bone infection at the same site 12 years apart in an otherwise healthy patient. chronic relapsing osteomyelitis caused by a zoonotic salmonella may become increasingly important in view of the increased incidence of zoonotic salmonella infections. based on this case, we recommend 3 months of therapy with a quinolone when treating a chronic relapsing zoonotic salmonella osteomyelitis.200211972419
antimicrobial drug resistance in salmonella: problems and perspectives in food- and water-borne infections.strains of salmonella spp. with resistance to antimicrobial drugs are now widespread in both developed and developing countries. in developed countries it is now increasingly accepted that for the most part such strains are zoonotic in origin and acquire their resistance in the food-animal host before onward transmission to humans through the food chain. of particular importance since the early 1990s has been a multiresistant strain of salmonella typhimurium definitive phage type (dt) 104, displ ...200212069879
increasing incidence of nontyphi salmonella bacteremia among children living in southern israel.to determine if the epidemiology of salmonella gastroenteritis and childhood bacteremia among the two ethnic populations (jews and bedouins) living in southern israel has changed in recent years.200212121594
[salmonella virchow sacroiliitis and bacteremia in a child].a 2.5 years old girl was admitted because of high fever and limping that appeared two days after she had trauma to her right leg. bone scan demonstrated increased uptake in the right sacroiliac joint, and ct demonstrated right sacroiliitis. salmonella vircow was isolated from the blood culture. the patient recovered after a five weeks course of intravenous antibiotics. salmonella sacroiliitis in children is rare, and only seven cases have been reported in the english literature in the last 40 ye ...200212222129
[not available]. 195613361418
[meningoencephalitis due to salmonella virchow with unsatisfactory outcome]. 200312724093
salmonella sepsis and miscarriage.we present a case of a miscarriage at 16 weeks of gestation due to infection and transplacental passage of salmonella group c. this was identified as being salmonella virchow from genital tract swab culture, and placental gram-staining revealed numerous colonies of gram-negative bacilli within the fibrin between the placental villi, confirming a true villitis associated with a hematogenous infection. based on the patient's history, it was suggested that she had contracted the salmonella infectio ...200314616710
incidence of quinolone resistance in strains of salmonella isolated from poultry, cattle and pigs in germany between 1998 and 2001.this paper reports the susceptibility to the quinolone nalidixic acid and the fluoroquinolone ciprofloxacin of 14,514 strains of salmonella isolated in germany from poultry, cattle and pigs between 1998 and 2001. quinolone-resistant salmonellae were most frequently isolated from poultry, with a prevalence of 10.2 to 16.8 per cent. poultry-associated serotypes, such as salmonella paratyphi b (d-tartrate positive), salmonella hadar and salmonella virchow, had the highest prevalence of quinolone re ...200314667084
antimicrobial resistance of salmonella in raw retail chickens, imported chicken portions, and human clinical specimens.salmonella isolates from raw, chilled, retail chickens (n = 434) sampled between 1998 and 2000 were tested for resistance to 12 antibiotics. of 23 salmonellas isolated, 30% were susceptible and 30% were resistant or intermediately resistant to one antibiotic, 26% to two, and 13% to four or more. one salmonella saint-paul and two salmonella typhimurium isolates were resistant to more than four antibiotics. highest resistance rates were sulfonamide (52%), streptomycin (26%), tetracycline (22%), an ...200415222553
fatal transplacental infection with non-typhoidal salmonella.we report a case of transplacentally acquired neonatal sepsis with non-typhoid salmonella. the infant's mother, a 36-y-old woman, presented with fever and malaise in the 25th week of gestation. because of a pathological cardiotocogram, caesarean section was performed a few h following admission. the premature infant had clinical signs of sepsis with multiorgan failure and died 4 d later despite intensive medical care. maternal blood cultures and swab cultures taken from within the uterine cavity ...200415513410
extended-spectrum beta-lactamases in non-typhoidal salmonella spp. isolated in the uk are now a reality: why the late arrival?in february 2004, we reported the first recognition of the presence of an extended-spectrum beta-lactamase (esbl) in non-typhoidal salmonella spp. in the uk; the beta-lactamase was tem-52. six months later, an shv-derived esbl (shv-12) was detected in a salmonella strain isolated in york and 6 months after that we have just identified ctx-m-type beta-lactamases in scottish isolates of salmonella enterica subsp. enterica serovar typhimurium and salmonella virchow (unpublished results). a very rec ...200516000403
salmonella virchow isolates from human and avian origins in england--molecular characterization and infection of epithelial cells and poultry.to characterize 12 salmonella virchow isolates from human and avian sources to begin to determine the genetic relationships within the serovar, determine its capacity to invade and induce inflammatory responses in human intestinal epithelial cells and investigate its ability to colonize the chicken gastrointestinal tract.201121920003
recent trends in the epidemiology of non-typhoid salmonella and antimicrobial resistance: the israeli experience and worldwide review.the epidemiology of non-typhoid salmonella has changed significantly since the turn of the century. interestingly, non-typhoid salmonella epidemiology in israel mirrors some important global trends, and these new trends are reviewed. recent research that has shed more light on the true toll of non-typhoid salmonella epidemic and resistance is also summarized.200516258325
salmonella enterica serotypes isolated from imported frozen chicken meat in the canary islands.to determine the prevalence of salmonella enterica serotypes in imported frozen chicken meat, 406 samples (whole chicken, legs, and breast meat) were analyzed for salmonella according to iso6579 rules, serotypes were assigned, and phage typing was conducted for salmonella serotypes enteritidis, typhimurium, and heidelberg. the overall frequency of salmonella isolation was 16.5%. by country of origin, the highest percentage of cases was found among the samples from france followed by samples from ...200516355846
representative salmonella serovars isolated from poultry and poultry environments in saudi arabia.the authors describe the source and prevalence of pathogenic salmonella serovars among poultry farms in saudi arabia. a total of 1,052 (4%) salmonella isolates were recovered from 25,759 samples of poultry (broilers, layers, broiler breeders and layer breeders) and poultry environments (box liner, litter, drag swab, droppings, mice and feed) were examined bacteriologically between 1988 and 1997 at the poultry disease laboratory at the national agriculture and water research center in riyadh. ele ...199910588014
rare serotype non-typhoidal salmonella sepsis.an 11-month female with a poor socio-economic status presented to a tertiary care paediatric hospital with complaints of fever of 4-5 days and diarrhoea of 20 days duration. the patient didn't respond to the prescribed antimicrobials namely--norfloxacin and metronidazole. on admission she was diagnosed as persistent diarrhea with pem grade iii with sepsis. stool examination and culture were negative for any pathogens, however blood culture yielded growth of salmonella virchow which was susceptib ...200617127789
nontyphoid salmonella bacteremia: age-related differences in clinical presentation, bacteriology, and outcome.in a retrospective study, 80 episodes of nontyphoid salmonella (nts) bacteremia in children were compared with 55 episodes in adults over a 10-year period. the study disclosed major differences in the predisposition, clinical presentation, and outcome as well as the microbiology of nts bacteremia in relation to age. adults were more likely than children to have predisposing diseases (95% vs. 15%, respectively; p < .0001) and to receive prior medications (95% vs. 23%, respectively; p < .0001), pa ...199910825045
trends in antimicrobial resistance phenotypes in non-typhoid salmonellae from human and poultry origins in france.a total of 1873 strains from human origin and 4283 strains from non-human origin of salmonella enterica serotypes typhimurium, enteritidis, heidelberg, hadar and virchow, collected over three years 1993, 1997 and 2000, were examined in order to determine the rate of antimicrobial resistance to 12 antimicrobial drugs. the objective of the study was to describe and to compare the evolution of the main resistance types in human and non-human isolates, focusing on the poultry sector. the evolution a ...200616409665
quantitative comparison of intestinal invasion of zoonotic serotypes of salmonella enterica in poultry.the aim of the present study was to compare the invasion of selected zoonotic salmonella serotypes of poultry in an in vivo chicken intestinal loop model and also in vitro in epithelial cell cultures. invasion was measured relative to a reference strain, salmonella typhimurium 4/74 invh201::tnphoa. two serotypes demonstrated intracellular log(10) counts that differed significantly from all other serotypes tested: salmonella enteritidis pt4 being 1.5 log(10) colony forming units (cfu) (31-fold) h ...200212425791
survey of the prevalence of salmonella species on commercial laying farms in the united kingdom.a survey of salmonella infection on 454 commercial layer flock holdings in the uk was carried out between october 2004 and september 2005. fifty-four (11.7 per cent, 95 per cent confidence interval 9.3 to 14.0 per cent) were salmonella positive. the most common serovar identified was salmonella enteritidis at a prevalence of 5.8 per cent, and 70 per cent of these isolates were phage types 4, 6, 7 and 35. salmonella typhimurium was the second most prevalent serovar, found in 1.8 per cent of the f ...200717921438
a comparative study on the pathogenesis of egg contamination by different serotypes of salmonella.salmonella enterica serotype enteritidis is the predominant serotype associated with egg-borne salmonellosis in humans. apparently this serotype possesses particular characteristics that increase its chance to contaminate eggs. to identify these characteristics, two salmonella serotype enteritidis strains as well as one strain of each of the serotypes salmonella typhimurium, salmonella heidelberg, salmonella virchow and salmonella hadar strain were used to examine different aspects related to eg ...200818622856
egg penetration by campylobacter jejuni.hens eggs were immersed in suspensions of campylobacter jejuni (4 strains) and examined for penetration and infection. penetration was demonstrated using an egg moulding technique and by culture. c. jejuni was recovered from shell membranes, but not from the albumin or yolk. embryonic deaths were not significantly greater in test than control eggs. unlike a strain of salmonella virchow, which was used as a control, the c. jejuni strains did not survive for more than 6 hours after penetration. it ...198518766924
mural endocarditis caused by salmonella virchow: survival with conservative treatment.we describe a case of endocarditis caused by salmonella enterica serotype virchow, which was treated conservatively with antibiotics alone. it is the only reported case of survival from salmonella endocarditis with conservative treatment, and the first reported case of endocarditis caused by salmonella virchow. the changing prevalence, virulence patterns and importance of salmonella species in endocarditis are discussed.200116352056
endovascular treatment of septic thrombophlebitis: a case report of a rare complication and review of the literature.we report a case of severe deep venous thrombosis (dvt) treated with multimodality therapy that was complicated by sepsis due to thrombus likely infected by salmonella virchow. we review the current therapeutic options in the therapy of severe dvt and cardiovascular pathology associated with non-typhoid salmonella.200919144779
salmonella sofia differs from other poultry-associated salmonella serovars with respect to cell surface hydrophobicity.salmonella enterica is one of the most important foodborne pathogens. salmonella enterica subsp. ii 4,12:b:- (salmonella sofia) is commonly found in australian poultry. it has been suggested that physicochemical properties such as surface charge and hydrophobicity may affect bacterial attachment to surfaces and their ability to persist in food systems. a possible link between hydrophobicity cell surface charge and persistence of salmonella from the poultry system was examined. hydrophobicity of ...200819244894
extended-spectrum {beta}-lactamases and ampc {beta}-lactamases in ceftiofur-resistant salmonella enterica isolates from food and livestock obtained in germany during 2003-07.detection and characterization of extended-spectrum beta-lactamases (esbls) and ampc-encoding genes was conducted in german salmonella isolated from different sources from 2003 to 2007.200919474065
salmonella detection in feces during broiler rearing and after live transport to the slaughterhouse.eggs and poultry meat are a common source of human salmonellosis. contamination of poultry or poultry meat may occur throughout the production chain. nevertheless, in spain, noncontaminated broiler meat may be sold for human consumption from 2011. the aims of this study were as follows: (i) assess salmonella detection from feces samples during the rearing and (ii) assess the influence of live transport to the slaughterhouse on salmonella detection. during this study, 65 flocks were sampled at we ...200919687287
decreased fluoroquinolone susceptibility in mutants of salmonella serovars other than typhimurium: detection of novel mutations involved in modulated expression of rama and soxs.mutants of five salmonella enterica serovars were investigated for structural changes in regulatory regions known to be involved in the up-regulation of efflux pumps.200919778917
emergence of extended-spectrum beta-lactamases and ampc-type beta-lactamases in human salmonella isolated in spain from 2001 to 2005.to study the resistance to third-generation cephalosporins in salmonella strains isolated from humans in a 5 year period in spain, and to identify the responsible genes and their dissemination.200919815633
the pattern of pleiomorphism in stressed salmonella virchow populations is nutrient and growth phase dependent.to describe the interactions of imposed osmotic and nutritional stress on the morphology of stationary and exponential phase s. virchow cells.200717718839
survey of the prevalence of salmonella on commercial broiler farms in the united kingdom, 2005/06.between october 2005 and september 2006, all european union member states were required to carry out standardised surveys of the prevalence of salmonella in broiler flock holdings to establish baseline data from which to derive national targets for disease reduction. in the uk 382 holdings were sampled, 41 of which were positive for salmonella, giving an estimated weighted prevalence of 10.7 per cent (95 per cent confidence interval [ci] 8.1 to 13.1 per cent). the serotype most frequently isolat ...200819043089
salmonella virchow and salmonella weltevreden in a random survey of the asian house gecko, hemidactylus frenatus, in houses in northern australia.abstract background: salmonella enterica serotype virchow is the most common cause of invasive nontyphoid salmonellosis in north queensland, particularly in infants, but the zoonotic source is unknown. this study aimed at determining (i) the prevalence of the introduced asian house gecko, hemidactylus frenatus, in houses in north queensland and (ii) whether they were a potential source of salmonella virchow. methods: asian house geckos were collected in a random survey of houses in townsville, n ...201020973656
[epidemiological characteristics of salmonellosis in new zagreb during the 1990-2009 period].in croatia, salmonellosis is the leading cause of bacterial foodborne diseases. the aim of the study was to determine the incidence of the disease, patient breakdown by age and sex, the most frequently isolated salmonella serotypes, the length of carriership, and the most frequent source of infection. it was a retrospective analysis, and the sources of data were reports and epidemiological questionnaires administered to those affected with the disease. during the 1990-2009 period, 4492 cases of ...201121568073
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