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verbal recall in schizophrenia: differential effect of retroactive interference in nonparanoid patients. 20143987245
copper and inflammation--a possible rationale for the pharmacological manipulation of inflammatory disorders.acute and chronic inflammations are characterized, among other features, by changes in the metabolism of copper and by a widespread responsiveness to the therapy with copper-containing molecules. the exact map of inflammation-induced copper movements as well as the role played by the metal in the pathogenesis of inflammatory disorders are, however, far from being clear, and this is especially true in the case of chronic processes. nevertheless the present knowledge suggests that the "copper appr ...20143907313
restoration of missing or misplaced canines.restorative treatments for canines were discussed to correct three clinical abnormalities: (1) fully erupted permanent canine in the lateral incisor position, (2) missing permanent canines, and (3) partially exposed canines in normal arch position. the primary concerns are the development of esthetics, anterior guidance, and adequate support for fixed restorations.20143891977
sidney p. colowick. 20143910995
[ultrasonic angiography in the diagnosis of lesions of the brachiocephalic branches of the aorta].a review of combined ultrasonic data in a group of normal subjects and in 20 patients with occlusive brachiocephalic aortic lesions has demonstrated that combined use of highly-informative ultrasonic techniques, including ultrasonic dopplerography, ultrasonic angiography and spectrum analysis of the doppler echo expands considerably possibilities of the diagnosis of occlusive lesions and enables quantitative assessment of regional hemodynamic disorders.20143910909
pharmacokinetics of metronidazole in patients with varying degrees of renal failure.twenty-nine patients with varying degrees of renal insufficiency were given a single intravenous dose of metronidazole (500 mg). plasma and urinary concentrations of metronidazole and two major metabolites were determined using a specific high performance liquid chromatographic assay. the pharmacokinetic parameters of metronidazole elimination half-life, area under the metronidazole concentration against time curve, apparent volume of distribution, metronidazole clearance and predicted degree of ...20143986078
differentiation of volume averaging and mass on magnetic resonance images of the mediastinum.volume averaging of high intensity mediastinal fat and low intensity flowing blood in mediastinal vessels can mimic a mediastinal mass on magnetic resonance (mr) images of the chest. however, when different repetition times (tr) are used to perform two imaging sequences, volume averaging can be distinguished from true disease, since the ratio of intensities of mediastinal fat, which is volume averaged, to nonvolume-averaged fat will remain relatively constant on a pair of images obtained using d ...20143983392
osteoarthritis of the hip. radiologic findings and etiology.the purpose of the work was to investigate: whether osteoarthritis of the hip can be divided into radiologic classes by examining the tendency of osteoarthritis of the hips to increase the growth and calcific content of the bone on the one hand and the associated loss of calcium and cartilage and the deformation and destruction of bone on the other. the prevalence of osteoarthritis of the hip in the internal medicinal and surgical outpatients of the university central hospital of oulu, who were ...20143911867
drugs and dreams. iv. tranquilizers and their effects upon dreams and dreaming in schizophrenic patients. 20144313272
cardiac sarcoidosis: reversion of myocardial perfusion abnormalities by dipyridamole.a tl 201 scan was performed on one young patient who met all of the criteria for the diagnosis sarcoidosis. a resting scan before treatment showed marked defects which were not resolved on the redistribution scan, thus leading to the diagnosis of cardiac sarcoidosis, which was also suspected from clinical signs. after dipyridamole infusion (0.142 mg/kg per minute over 4 min), his 201tl scan was quite normal. haemodynamic investigation showed a low coronary sinus blood flow with a low lactate ext ...20144076228
alternatives to conventional arteriography. 20143911190
intermittent venous blood sampling. 20144097629
controlled trial of isoniazid therapy for severe postural cerebellar tremor in multiple sclerosis.six patients with severe postural cerebellar tremor were studied in a double-blind, placebo-controlled, crossover trial with isoniazid. each phase of the study lasted 4 weeks, and in the isoniazid phase patients received an increasing dose up to 1200 mg/d. patients were studied with self-rating scales, quantitative tremor recording, and blinded ratings of videotapes. all patients improved by at least one method, three improved by all methods, and four improved sufficiently to want to continue wi ...20143895037
[interactions between pregnancy and diabetes]. 20143911462
reliability of home observation for victims of mild closed-head injury.victims of mild closed-head injury who do not require hospitalization frequently are observed at home. the efficacy of home observation for such cases and the extent to which after-care management plans are executed in this setting, however, are unknown. we studied 47 consecutive victims of mild closed-head injury discharged from the emergency department for home observation under the care of a responsible individual with a set of written after-care instructions for management. the instructions ...20143946858
reliability of home observation for victims of mild closed-head injury.victims of mild closed-head injury who do not require hospitalization frequently are observed at home. the efficacy of home observation for such cases and the extent to which after-care management plans are executed in this setting, however, are unknown. we studied 47 consecutive victims of mild closed-head injury discharged from the emergency department for home observation under the care of a responsible individual with a set of written after-care instructions for management. the instructions ...20143946858
[the effect of a 100 kilometer run on total cholesterol, hdl-cholesterol, triglyceride and lipoprotein levels]. 20133824934
[management of alcoholism, drug intoxication, and attempted suicide]. 20133845138
lung cancer: is fluoride in cigarette smoke an etiological factor? 20133636579
[the function of the bronchi draining healed caverns]. 20133960845
plasma exchange for failure of early resuscitation in thermal injuries. 20133648044
blood volume, erythrokinetics and spleen function in thrombocythaemia.essential thrombocythaemia was diagnosed in a series of 18 patients on the basis of platelet counts greater than 1,000 x 10(9)/1. radionuclide studies have been carried out to distinguish thrombocythaemia as a primary disease from polycythaemia vera, myelofibrosis and chronic granulocytic leukaemia presenting with high platelet counts. these have included blood volume and spleen function, and radio-iron (52fe) has been used to demonstrate the presence of extramedullary (splenic) erythropoiesis. ...20133933244
placental transfer of naloxone.maternal and umbilical venous serum naloxone concentrations were measured after the i.v. (30 mothers) or i.m. (seven mothers) injection of naloxone 400 micrograms. following i.v. naloxone there was rapid transfer to the fetus and therapeutic plasma concentrations could be expected in 1 or 2 min. however, following i.m. administration, neonatal concentrations were variable. in five non-pregnant volunteers naloxone 400 micrograms i.v. resulted in concentrations greater than 2.5 micrograms ml-1 for ...20133942670
placental transfer of naloxone.maternal and umbilical venous serum naloxone concentrations were measured after the i.v. (30 mothers) or i.m. (seven mothers) injection of naloxone 400 micrograms. following i.v. naloxone there was rapid transfer to the fetus and therapeutic plasma concentrations could be expected in 1 or 2 min. however, following i.m. administration, neonatal concentrations were variable. in five non-pregnant volunteers naloxone 400 micrograms i.v. resulted in concentrations greater than 2.5 micrograms ml-1 for ...20133942670
[legislation. the ministry of health. law-decree no. 178/85 of may 23]. 20133931258
[early prognosis of intracranial hemorrhage in premature infants].between july 1979 and june 1984 an intracerebral haemorrhage developed in 87 premature infants (mean gestational age 29.5 weeks, mean birth weight 1156g). 46 of these died, 41 infants survived. their psychomotoric development was followed up to a mean age of 19 months. in 63% of the patients the haemorrhage occurred during the first four days of life. its frequency was highest in premature infants of 27 to 30 weeks of gestation. the survival rate was influenced by the gestational age and by the ...20133748036
[therapeutic cranial irradiation in patients with metastatic brain tumors from pulmonary carcinoma].fifty-three patients with intracranial metastases from pulmonary carcinoma were treated with cranial irradiation between 1976 and 1983. there was improvement in neurologic symptoms in 80%, and the one and two-year survival rates for the entire group of patients were 21% and 4%. those or patients without metastasis tumor in other organs were 38% and 9%, respectively. it was suggested that the total dose should be in excess of 40 gy. histologically, adenocarcinoma and epidermoid carcinoma showed b ...20133795500
self-poisoning: outcome and complications in the community hospital.one hundred sixty cases of self-poisoning of patients aged 15 years and older were treated on the wards of the four community hospitals of lansing, michigan, in 1981. most cases (91 percent) were intentional and represented suicide attempts. the complication rate was 13.8 percent and the overdose-related mortality rate 0.6 percent. aspiration pneumonia was the most common complication, followed by respiratory failure and seizures. no patient with a level of consciousness stage 0 or 1 in the emer ...20133746211
[experience in organizing inoculations in a rural district]. 20133849438
perceived continuity of gliding and steady-state tones through interrupting noise. 20133696942
liquid chromatographic determination of benzo[a]pyrene at part-per-billion concentrations in highly refined coal- and petroleum-derived fuels.benzo[a]pyrene (bap), a well-known carcinogen, is frequently measured as an "indicator" of the potential dermal tumorigenicity of a sample. the present sequential high-performance liquid chromatography--high-performance liquid chromatography method overcomes problems in trace-level sample enrichment and recovery corrections encountered earlier. an amount of 5 g of naphtha or fuel oil is diluted to 10 ml with dichloromethane and spiked with a small quantity (ca. 0.25 micrograms) of 14c-labeled ba ...20133558598
the effects of general anesthesia on upper respiratory tract infections in children.a prospective cohort study of 489 pediatric patients was performed to investigate the prevalence of perioperative respiratory complications and symptomatology in children presenting for myringotomy with upper respiratory tract infections (uris). all children undergoing myringotomy received halothane n2o/o2 anesthesia administered via face mask. information on complications and respiratory symptoms was obtained from the anesthesia and recovery room records, and by standardized questionnaire. ther ...20133688537
proliferation in vivo and in vitro of haemopoietic progenitor cells induced by af-1, a new ras-containing retrovirus. 20134029736
["in vitro" test of blood platelet spread]. 20134220825
the clinical spectrum of panic attacks.current psychiatric nosologies associate recurrent panic attacks mainly with panic disorder, and agoraphobia with panic attacks, circumscribing their clinical relevance to the anxiety group of diagnosis. through selected clinical presentations and a literature review the authors propose the existence of a cross-syndromal panic-anxiety represented by the recurrent panic attack that crosses the borders of any single group of diagnosis. this concept is of relevance for clinical psychiatry and may a ...20133886714
the clinical spectrum of panic attacks.current psychiatric nosologies associate recurrent panic attacks mainly with panic disorder, and agoraphobia with panic attacks, circumscribing their clinical relevance to the anxiety group of diagnosis. through selected clinical presentations and a literature review the authors propose the existence of a cross-syndromal panic-anxiety represented by the recurrent panic attack that crosses the borders of any single group of diagnosis. this concept is of relevance for clinical psychiatry and may a ...20133886714
hypomyelination neuropathy in a female newborn presenting as arthrogryposis multiplex congenita.a female newborn delivered at 32 weeks of gestation presented with multiple joint contractures consistent with arthrogryposis multiplex congenita (amc). the girl died after a four days course of severe respiratory distress. autopsy revealed slightly hypoplastic and immature lungs with acute necrotizing bronchopneumonia, and marked consecutive hypoxic brain lesions with severe periventricular haemorrhages. the peripheral nerves including the cranial and spinal nerve roots showed a hypomyelination ...20133762869
[multifocal hydatid cysts in children].from 1981 to 1983, 112 children have been operated on for hydatidosis, 26 of them presented multifocal hydatid cysts. in half cases the lung was affected, in association with an abdominal affect. in 6 cases it was a bilateral pulmonary localisation. the check-up is essentially with two exams: thoracal radiology, front and side view; and abdominal echography. the hydatic serology confirms the parasitic origin. 40 surgical operations have been necessary for 21 children carried 171 hydatid cysts. t ...20133719886
[a thought on family education for smoother return of apoplexy patients to home]. 20133637287
ultrastructure and changes during metamorphosis of the lympho-hemopoietic tissue of the larval anadromous sea lamprey petromyzon marinus.the ultrastructure of the lympho-hemopoietic tissue of the typhlosole and opisthonephros of larval petromyzon marinus was studied throughout the life cycle. in both locations, lympho-hemopoietic tissue houses a connective tissue stroma and is irrigated by a system of enlarged blood sinuses lined by a continuous endothelium. the typhlosolar and opisthonephric lympho-hemopoietic tissue consists of mature and developing blood cells belonging to erythroid, lymphoid, monocytic and granulocytic lineag ...20133595947
solvent effects on reversible formation and oxidative stability of heme-oxygen complexes. 20134854321
the analysis of visual motion: from computational theory to neuronal mechanisms. 20133551763
the hp, gc, gm, km and beta 2-glycoprotein i genetic variants in hairy cell leukemia: no apparent association.no significant differences could be observed when hp, gc, gm, km and beta 2-glycoprotein i phenotypes of 50 patients with hairy cell leukemia were compared with healthy unrelated adults.20133923375
estimation of arterial pulse wave velocities in the frequency domain: method and clinical considerations. 20133747624
salt intake, intracellular cations, and hypertension. 20133760913
an appreciation: stephen p. meier. 20133539663
ecology, biology and distribution of spotted-fever tick vectors in brazil.spotted-fever-caused rickettsia rickettsii infection is in brazil the major tick-borne zoonotic disease. recently, a second and milder human rickettsiosis caused by an agent genetically related to r. parkeri was discovered in the country (atlantic rainforest strain). both diseases clearly have an ecological background linked to a few tick species and their environment. capybaras (hydrochoerus hydrochaeris) and amblyomma cajennense ticks in urban and rural areas close to water sources are the mai ...201323875178
rickettsia rickettsii isolation from naturally infected amblyomma parvum ticks by centrifugation in a 24-well culture plate technique.rocky mountain spotted fever is an acute illness caused by rickettsia rickettsii (r. rickettsii) and is transmitted by the bite of ticks of the genera dermacentor, amblyomma and rhipicephalus. the illness results in a high mortality rate and may be easily confused with other febrile syndromes. in yucatan state, mexico, childhood cases with a high mortality have been reported. in this work we report the isolation of a mexican r. rickettsii strain from a tick egg mass using an alternative method f ...201326623321
prevalence of antibodies to spotted fever group rickettsia spp. and ehrlichia spp. in coyotes (canis latrans) in oklahoma and texas, usa.coyotes (canis latrans) are commonly infested with ticks, including amblyomma americanum, the predominant vector of ehrlichia chaffeensis and ehrlichia ewingii; dermacentor variabilis, an important vector of rickettsia rickettsii; and amblyomma maculatum, a major vector of rickettsia parkeri, a spotted fever group (sfg) rickettsia. to determine the degree to which coyotes are infected with or exposed to tick-borne bacterial disease agents, serum samples collected from coyotes in oklahoma and tex ...201323778619
hitch-hiker taken for a ride: an unusual cause of myocarditis, septic shock and adult respiratory distress syndrome.rocky mountain spotted fever (rmsf) is a serious tick-borne illness caused by rickettsia rickettsii that is endemic in southeastern usa. although rmsf has been described as causing the classic clinical triad of fever, headache and a characteristic rash, serious and potentially life-threatening manifestations can occur. cardiopulmonary involvement, although infrequent, may occur with severe cases of rmsf. rickettsial myocarditis is an uncommon occurrence. we present a case of a previously healthy ...201323314875
chemical characterization and acaricide potential of essential oil from aerial parts of tagetes patula l. (asteraceae) against engorged adult females of rhipicephalus sanguineus (latreille, 1806).rhipicephalus sanguineus, commonly known as the brown dog tick, is one of the most widely distributed species of tick. in dogs, it can cause anemia and provide the transmission of pathogenic microorganisms such as babesia canis, ehrlichia canis, hepatozoon canis, anaplasma platys, and mycoplasma haemocanis. to man, it can transmit the intracellular parasites rickettsia rickettsii and rickettsia conorii, the causative agents of the rocky mountain spotted fever in the americas and mediterranean an ...201323508761
natural blood feeding and temperature shift modulate the global transcriptional profile of rickettsia rickettsii infecting its tick vector.rickettsia rickettsii is an obligate intracellular tick-borne bacterium that causes rocky mountain spotted fever (rmsf), the most lethal spotted fever rickettsiosis. when an infected starving tick begins blood feeding from a vertebrate host, r. rickettsii is exposed to a temperature elevation and to components in the blood meal. these two environmental stimuli have been previously associated with the reactivation of rickettsial virulence in ticks, but the factors responsible for this phenotype c ...201324155949
assessment of real-time pcr assay for detection of rickettsia spp. and rickettsia rickettsii in banked clinical samples.two novel real-time pcr assays were developed for the detection of rickettsia spp. one assay detects all tested rickettsia spp.; the other is specific for rickettsia rickettsii. evaluation using dna from human blood and tissue samples showed both assays to be more sensitive than nested pcr assays currently in use at the cdc.201323135935
[endoscopic polypectomy in pediatrics. nursing care]. 20133854901
effect of seat belts on injuries to front and rear seat passengers.data on 2520 occupants of cars involved in accidents were analysed in relation to injury and the severity of the crash to investigate the effect of rear seat passengers on injury to restrained and unrestrained front seat occupants and vice versa. unrestrained front seat occupants showed a higher incidence of serious injury when there were rear seat passengers. the presence of a rear seat passenger did not affect significantly the overall incidence of injury among restrained front seat occupants ...20133924192
[magnesium and calcium metabolism in peptic ulcer patients]. 20133798889
a case of hypertension due to unilateral hydronephrosis in a child.a case of hypertension secondary to unilateral hydronephrosis due to congenital obstruction of ureteropelvic junction in a 6-year-old boy is reported. preoperatively, the plasma renin activity (pra) in the peripheral vein and in the affected kidney was elevated. blood pressure decreased significantly following administration of converting enzyme inhibitor. after nephrectomy, peripheral vein pra and blood pressure returned to normal, despite withdrawal of antihypertensive medication and sodium re ...20133780805
ruptured abdominal aortic aneurysm in a 24-year-old african woman. unusual presentation--unknown aetiology.24-year-old black female presenting with progressive paralysis of the left lower limb. the clinical examination and investigations describe an extensive retroperitoneal mass. an exploratory laparotomy reveals a ruptured saccular infrarenal aortic aneurysm, a narrowing of the distal aorta and a complete obstruction of the left common iliac artery. the aneurysm was resected, an aortoiliac bypass and femorofemoral crossover bypass were performed, with success. the clinical presentation of this rupt ...20133766024
multiple flexor tendon xanthomas and contractures in the hands of a child with familial hypercholesterolemia.a 6-year-old girl with familial hypercholesterolemia had flexion contractures of the fingers due to tendon and joint xanthomas. this unique problem was corrected by the combination of local hand surgery and a portacaval shunt.20133722777
hyperphosphaturia associated with hypercalciuria in renal calcium stone patients. 20133691118
utility of the routine electrocardiogram before surgery and on general hospital admission. critical review and new guidelines.no consensus has been reached regarding the need for a routine 12-lead electrocardiogram (ecg) preoperatively or on general admission in adult patients. critical review of relevant studies reveals important weaknesses and gaps in the data needed to formulate definitive recommendations. available data, however, do not support the necessity for obtaining a baseline or screening ecg in all adult patients before surgery involving general or regional anesthesia or on hospital admission for other indi ...20133752762
[clinical significance of atrial fibrillation]. 20133647493
systemic absorption of adrenaline after aerosol, eye-drop and subcutaneous administration to healthy volunteers.adrenaline is the drug of choice for management of the anaphylactic reaction. the objective of this study was to compare systemic absorption of adrenaline after administration by different routes to healthy volunteers. ten puffs (1.5 mg as adrenaline base) with 10-15 s intervals between them followed 2 h later by 20 puffs (3 mg) of adrenaline from a pressurized aerosol (medihaler-epi, 3m riker, 14.0 mg/ml adrenaline acid tartrate) were sprayed into the cheek pouch or inhaled through the mouth or ...20133592145
implantable myoelectric control system with sensory feedback. 20133974327
the transcapillary exchange of sodium fluorescein in ischaemic limbs measured by fluorescein flowmetry.the transcapillary exchange of sodium fluorescein in the skin of 36 extremities (19 patients) with arterial occlusive disease was measured using two different ways of analysing the tissue fluorescence, fluorescein flowmetry (ff) and dynamic fluorescein angiography (fa). 7 mg sodium fluorescein/kg body weight was given intravenously. with ff, the transcapillary exchange of sodium fluorescein is expressed in arbitrary units as a fluorescence index. with fa, the time interval from the bolus injecti ...20133568585
cancer of the breast in women born in southern italy and who migrated to the city of torino.individual demographic data of 459 women living in torino with incident breast cancer diagnosed in 1979 were compared with those of a random sample of 1800 women drawn from the list of residents in the same city. among women aged 25-44 and 45+ years, age-adjusted odds ratios for birth in southern italy were respectively 1.3 (95% cl, 0.1-2.1) and 0.7 (95% cl, 0.5-0.9). in women aged 45+ years, odds ratios increased with length of residence in torino.20133603717
graduate medical education: who will pay how much for what? 20133541729
environmental infestation and rickettsial infection in ticks in an area endemic for brazilian spotted fever.brazilian spotted fever (bsf), caused by rickettsia rickettsii, is endemic in the municipality of americana, southeastern brazil, where the disease is transmitted by the tick amblyomma cajennense. this study evaluated the tick fauna and rickettsial infection in free-living ticks that were captured monthly using dry ice traps in areas endemic for bsf in americana, from july 2009 to june 2010. two tick species were captured: a. cajennense (6,122 larvae; 4,265 nymphs; 2,355 adults) and amblyomma du ...201324142167
crystal structure of the n-terminal domains of the surface cell antigen 4 of rickettsia.the obligate intracellular, gram-negative bacterium rickettsia is the causative agent of spotted fevers and typhus in humans. surface cell antigen (sca) proteins surround these bacteria. we recently reported the co-localization of one of these proteins, sca4, with vinculin in cells at sites of focal adhesions and demonstrated that two vinculin binding sites directed the sca4/vinculin interaction. here we report the 2.2 å crystal structure of the conserved n-terminal 38 kda domain of sca4 from ri ...201323904352
[mortality from rickettsia rickettsii spotted fever in patients at a pediatric hospital in the state of sonora, 2004-2012]. 201323546404
a 6-year-old girl with fever, rash, and increased intracranial pressure.rocky mountain spotted fever (rmsf) is a well-described, potentially lethal, tick-borne zoonotic infection and has very effective therapy. however, the diagnosis might not be made early enough, often leading to worse outcomes.201323485263
serologic evidence of human rickettsia infection found in three locations in panamá.since the middle of last century, cases of rickettsiosis have been found in panamá when outbreaks of murine typhus and spotted fever were reported. since then, little information exists about its prevalence in this country, since it is most often is misdiagnosed as another disease.201324652247
rickettsial infections in the tropics and in the traveler.the purpose of this review is to describe recent advances in our understanding of the pathogenesis, epidemiology, and clinical features of rickettsial diseases with emphasis placed on those relating to travel and tropical medicine.201323842049
ixodid fauna and zoonotic agents in ticks from dogs: first report of rickettsia rickettsii in rhipicephalus sanguineus in the state of mato grosso do sul, mid-western brazil.ticks from 148 dogs from the urban area of the municipality of campo grande, state of mato grosso do sul, brazil, were collected, classified and analyzed using polymerase chain reaction (pcr) for the identification of rickettsia spp., trypanosoma cruzi and leishmania spp. a total of 2015 ticks were collected. the species rhipicephalus sanguineus (98.9 %) and amblyomma cajennense (1.1 %) were identified. molecular analysis revealed that no tick samples were infected by t. cruzi. regarding leishma ...201323229491
features of brazilian spotted fever in two different endemic areas in brazil.brazilian spotted fever (bsf) caused by rickettsia rickettsii is the most important rickettsiosis and the only reportable tick-borne disease in brazil. in brazil, the hard tick amblyomma cajennense is the most important bsf vector; however, in são paulo state, a. aureolatum was also recognized as a vector species in remaining atlantic forest areas near the metropolitan area of são paulo city. we analyzed clinical and epidemiological features of bsf cases from two distinct areas where a. cajennen ...201223168052
solution structure of the cold-shock-like protein from rickettsia rickettsii.rocky mountain spotted fever is caused by rickettsia rickettsii infection. r. rickettsii can be transmitted to mammals, including humans, through the bite of an infected hard-bodied tick of the family ixodidae. since the r. rickettsii genome contains only one cold-shock-like protein and given the essential nature of cold-shock proteins in other bacteria, the structure of the cold-shock-like protein from r. rickettsii was investigated. with the exception of a short α-helix found between β-strands ...201223143233
epidemiology of brazilian spotted fever in the atlantic forest, state of são paulo, brazil.the tick-borne bacterium rickettsia rickettsii is the aetiological agent of brazilian spotted fever (bsf). the present study evaluated tick infestations on wild and domestic animals, and the rickettsial infection in these animals and their ticks in 7 forest areas adjacent to human communities in the são paulo metropolitan area (spma). the results were compared to ecological traits of each sampled area. two main tick species, amblyomma aureolatum and rhipicephalus sanguineus, were collected from ...201222716923
modelling spatial concordance between rocky mountain spotted fever disease incidence and habitat probability of its vector dermacentor variabilis (american dog tick).the spatial distribution of dermacentor variabilis, the most commonly identified vector of the bacterium rickettsia rickettsii which causes rocky mountain spotted fever (rmsf) in humans, and the spatial distribution of rmsf, have not been previously studied in the south central united states of america, particularly in texas. from an epidemiological perspective, one would tend to hypothesise that there would be a high degree of spatial concordance between the habitat suitability for the tick and ...201223242684
unusual bacterial infections and the pleura.rickettsiosis, q fever, tularemia, and anthrax are all bacterial diseases that can affect the pleura. rocky mountain spotted fever (rmsf) and mediterranean spotted fever (msf) are caused by rickettsia rickettsii and rickettsia conorii, respectively. pleural fluid from a patient with msf had a neutrophil-predominant exudate. coxiellaburnetii is the causative agent of q fever. of the two cases described in the literature, one was an exudate with a marked eosinophilia while the other case was a tra ...201222977649
comparative genomics and transcriptomics of trait-gene association.the order rickettsiales includes important tick-borne pathogens, from rickettsia rickettsii, which causes rocky mountain spotted fever, to anaplasma marginale, the most prevalent vector-borne pathogen of cattle. although most pathogens in this order are transmitted by arthropod vectors, little is known about the microbial determinants of transmission. a. marginale provides unique tools for studying the determinants of transmission, with multiple strain sequences available that display distinct a ...201223181781
saliva, salivary gland, and hemolymph collection from ixodes scapularis ticks.ticks are found worldwide and afflict humans with many tick-borne illnesses. ticks are vectors for pathogens that cause lyme disease and tick-borne relapsing fever (borrelia spp.), rocky mountain spotted fever (rickettsia rickettsii), ehrlichiosis (ehrlichia chaffeensis and e. equi), anaplasmosis (anaplasma phagocytophilum), encephalitis (tick-borne encephalitis virus), babesiosis (babesia spp.), colorado tick fever (coltivirus), and tularemia (francisella tularensis) (1-8). to be properly trans ...201222371172
perinuclear antineutrophil cytoplasmic autoantibodies in dogs infected with various vector-borne pathogens and in dogs with immune-mediated hemolytic anemia.to determine the prevalence of perinuclear antineutrophil cytoplasmic autoantibodies (panca) in dogs with confirmed or suspected immune-mediated hemolytic anemia (imha) or dogs infected with various vector-borne pathogens, including rickettsia rickettsii, bartonella henselae, bartonella vinsonii subsp berkhoffii, ehrlichia canis, borrelia burgdorferi, and leishmania infantum.201222924722
seroprevalence of tick-borne infections in military working dogs in the republic of korea.in this study we endeavored to determine the seroprevalence of tick-borne infections in the military working dog (mwd) population in the republic of korea (rok). our sample population consisted of 182 serum samples from mwds for 3 different years (1996, 2002, and 2007). in addition, 63 whole blood samples from 2007 were available for polymerase chain reaction (pcr). serum samples were evaluated by a commercially available enzyme-linked immunosorbent assay (elisa) and immunofluorescence assay (if ...201223167501
a fatal urban case of rocky mountain spotted fever presenting an eschar in san jose, costa rica.this study reports the first urban human case of rocky mountain spotted fever caused by rickettsia rickettsii, in costa rica. an 8-year-old female who died at the national children's hospital 4 days after her admission, and an important and significant observation was the presence of an "eschar" (tache noire), which is typical in some rickettsial infections but not frequent in rocky mountain spotted fever cases.201222855769
nurses helping nurses. 20123358078
[urinary hydrogen ion concentration as one of the pathogenetic factors of urinary calculi]. 20123445570
[immunologic abnormality of collagen diseases, with special reference to rheumatoid arthritis]. 20123388147
bowenoid papulosis of the penis: successful management with neodymium:yag laser.bowenoid papulosis of the penis is a recently described entity that clinically resembles benign verruca-like papular lesions but, histologically, it is identical to carcinoma in situ, bowen's disease or erythroplasia of queyrat. although a few cases of spontaneous regression of bowenoid papulosis in men have been reported, conservative therapy, consisting of topical 5-fluorouracil, electrodissection or excision, is recommended. with these treatment modalities recurrences are not uncommon. we rep ...20123373609
[differential diagnosis of gunshot wounds in shots from a smoothbore gun with the usual equipment and one using a wad-container]. 20123433312
[use of the exercise test to identify high-risk patients. correlation with coronariography]. 20124001510
the role of intravenous digital subtraction angiography as an adjunct to computed tomography in the preoperative assessment of patients with abdominal aortic aneurysm.the purpose of this article is to determine the role of intravenous digital subtraction angiography (iv-dsa) as an adjunct to computed tomography (ct) in the preoperative evaluation of patients with abdominal aortic aneurysm. sixty-six patients underwent iv-dsa as well as ct during a 2-year period. sixty-four of the 66 patients underwent abdominal aortic aneurysm repair. the results of the 66 patients were analyzed to assess what additional information was obtained by iv-dsa concerning aneurysm ...20123298699
[ectopic parathyroid adenoma disclosed by cortical blindness and hypercalcemic encephalopathy]. 20123269289
ventricular arrhythmias.sudden cardiac death claims thousands of canadians annually. ventricular tachycardia and fibrillation account for up to 85% of these deaths. identifying the patients at risk remains a major challenge. those who have recurrent ventricular tachycardia or have been resuscitated from ventricular fibrillation are generally considered to be at highest risk. although ventricular premature beats in the absence of previous ventricular tachycardia or fibrillation are not helpful in identifying such patien ...20123284626
[treatment of chronic bursitis with fistula by a cryogenic method]. 20123247124
investigation of an outbreak of rickettsial febrile illness in guatemala, 2007.we describe an outbreak of spotted fever group (sfg) rickettsiosis that occurred in 2007 in a farming community in southeastern guatemala. we identified 17 cases of an acute febrile illness, among which 10, including two fatalities, were confirmed or probable cases of rickettsial disease (case-fatality proportion 12%).201223266334
hypophosphatemia-associated respiratory muscle weakness in a general inpatient population.although hypophosphatemia has been implicated as a cause of respiratory failure, its impact on respiratory muscle function in patients hospitalized for other reasons remains to be determined. maximal inspiratory pressures (mip) and maximal expiratory pressures (mep) were measured at the bedside in 23 hospitalized patients with serum phosphate levels less than 2.5 mg/dl, and these measurements were repeated daily during phosphate repletion until serum phosphate levels reached the normal range. a ...20123364446
[error in the interpretation of echography in a case of retinoblastoma]. 20123542260
loss of intercalated membrane particles by treatment with phorbols.because brief exposure to phorbol esters renders normal cells vulnerable to deformation and cytolysis by lymphocytes, it was postulated that these tumor promoters might cause a hitherto unrecognized physical alteration in membrane architecture. to investigate this possibility, four tissue culture cell lines (k-562 erythroleukemia cells, melanoma cells, n1121 adult fibroblasts, and normal fetal fibroblasts) and three blood cell types (lymphocytes, monocytes, and platelets) were subjected to freez ...20123462729
stability of a bioactive gel covering a glass surface. 20123382135
[use of desmopressin in the treatment of mild forms of hemophilia a and von willebrand's disease]. 20123494893
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