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At least 91 records · Page 5Linked to original sources
PubMed1990

Cat-scratch disease bacteria.

Cat-scratch disease is a benign inoculative lymphoreticulosis, related to the presence of a polymorph bacillus, Warthin-Stary silver stained, Gram negative as assessed by Brown-Hopp staining. It is found in the capillary walls and in macrophages bordering the lymph node sinusoids at the site of inoculation, in regional subacute adenopathy before softening, in internal organs and blood cultures of systemic infections, occurring more often in immuno-compromised patients. These bacteria have been demonstrated in subcutaneous vascular nodules, near to histiocytoid hemangioma in AIDS patients; these lesions are very similar to early stage Kaposi's sarcomas. This bacteria is provisionally listed as G 1492 by the Center for Disease Control.

Acquired Immunodeficiency Syndrome↗
PubMed1996

Acquisition of the cat scratch disease agent Bartonella henselae by cat fleas (Siphonaptera:Pulicidae).

We assayed the ability of cat fleas to become infected with Bartonella henselae, using an artificial feeding device. Fleas fed a concentration of 1 x 10(5) cfu/ml in blood were examined using immunofluorescent antibody assay and polymerase chain reaction. Bacteria were present in the gut at 3 h, and persisted up to 9 d after infection. Qualitatively, the density of B. henselae was greater in the flea gut at 9 d, indicating that replication was occurring in the gut. B. henselae also was detected in the feces of infected fleas 9 d after infection, and produced viable colonies upon inoculation onto heart infusion agar/rabbit blood plates. Our results indicate that fleas can maintain infection with B. henselae, and may play a role in the transmission of this bacterium from infected cats to humans.

Animals↗
PubMedDate not supplied

Dermatophytes from cases of skin disease in cats and dogs in Turin, Italy.

In urban environments, pet animals such as dogs and cats may be largely responsible for the progressive increase of zoophilic over anthropophilic dermatophytes in the aetiology of human dermatophytoses. Mapping, in each city, of the natural foci of zoophilic dermatophytes may thus be important for understanding the epidemiology of human dermatophytoses, and for planning preventive measures. We have surveyed dogs and cats suspected of carrying dermatophytic lesions in the Turin area. Hairs, skin scrapings and the contents of pustules or vesicles were inoculated on Dermasel agar supplemented with choramphenicol and cycloheximide. The mating type of the isolates was checked, testing their compatibility with the two mating types of Arthroderma simii Stockdale, Mackenzie and Austwick. We isolated dermatophytes from about 40% of the cases examined. Microsporum canis Bodin was the only dermatophyte found in the lesions. In the cats the lesions were more frequent, in the dogs more severe. Animals less than a year old and male dogs were most often affected. Some cases of transmission of the infection between animals and from animals to man are described. All the isolates of M. canis, tested for mating behaviour, were non-reactive.

Age Factors↗
PubMed1990

Cat scratch disease and glomerulonephritis.

Cat scratch disease is a generally benign, self-limited disease characterized by fever and regional lymphadenitis. Systemic complications are rare and most frequently affect the central nervous system, bone, liver or spleen. We report the first case of glomerulonephritis associated with cat scratch disease which resolved spontaneously concurrent with the resolution of lymphadenitis and constitutional symptoms. Immunopathologic and ultrastructural studies suggest a form of immune-mediated postinfectious glomerulonephritis.

Adolescent↗
PubMedDate not supplied

Urine sulfated and nonsulfated bile acids as a diagnostic test for liver disease in cats.

Urine bile acid (UBA) tests reflecting "average" serum bile acid (SBA) concentrations may have greater practical utility than paired SBA samples in cats. This study evaluated whether urine sulfated bile acids (USBAs), urine nousulfated bile acids (UNSBAs), or a combined approach had a clinical utility equivalent to SBAs. Routine serum biochemistry tests, SBA concentrations, and urine samples were collected from 54 cats with hepatobiliary disease, 17 cats with nonhepatic disorders, and 8 healthy cats. UBAs were measured by a quantitative enzymatic colorimetric method, and results were normalized with urine creatinine (UCr) concentrations. Significantly higher values occurred in cats with liver disease than in cats without liver disease for USBA : UCr, UNSBA:UCr, and (USBA and UNSBA) : UCr, P < .05 each. UBA tests with diagnostic performance (sensitivity [SS], specificity [SP], and positive and negative predictive values [PV+ and PV-]) equivalent to SBAs were the UNSBA : UCr and the combined test (SS: 87, 87 versus 85; SP: 88, 88 versus 88; PV+: 96, 96 versus 96; PV-: 68, 65 versus 68; UNSBA : UCr, [USBA, and UNSBA]: UCr versus SBA, respectively). Clinical applications of the UNSBA : UCr or the combined (USBA and UNSBA) : UCr test should be useful as convenient diagnostic tests for identifying cats with liver disease and high SEA concentrations.

Animals↗
PubMed1991

[A case of cat scratch disease complicated by reversible encephalopathy].

We described a eight-year-old girl with encephalopathy due to cat scratch disease. Cat scratch disease is a common cause of benign, self-limited, regional adenopathy seen among young people. Encephalopathy is uncommon but is a serious complication of cat scratch disease. Cat scratch disease with associated encephalopathy was described by Stevens in 1952. Since then there have been reports of only 39 cases in the English literature. As far as we know, this case is the first case in Japan. In cases of a rapidly progressive encephalopathy, the diagnosis of cat scratch disease should be considered.

Acute Disease↗
PubMed1999

[Cat-scratch disease: series of 14 cases. The diagnostic usefulness of serology].

BACKGROUND: Disease by cat scratch (CSD) is a syndrome characterized by regional adenopathies following cat scratch or bite. Despite knowing the etiologic agent of the same, there is still controversy in the diagnosis of the syndrome in daily clinical practice. MATERIALS AND METHODS: The cases of CSD diagnosed from 1990 to 1997 with positive serology for Bartonella henselae performed by indirect immunofluorescence were reviewed. RESULTS: In 13 out of the 14 patients studied direct contact with cats was reported. Lymph node involvement corresponded to the following regions: axillary (57%), inguinal (28%), epitroclear (21%), cervical (14%), and periauricular (7%). In 35% of the cases, several territories were involved. In 3 patients the adenopathies were fluctuating. Eleven anatomopathologic studies were performed with 6 diagnoses of granulomatous adenitis, 3 reactive adenitis and 2 purulent adenitis. The serology for Bartonella henselae was positive in all the patients with a range of 1/64-1/256. The evolution was favorable in all the patients. DISCUSSION: Interpretation of the results of serology should be cautions and always related to the clinical and epidemiological picture of the patient. This technique should be considered as another criteria in the diagnosis of cat scratch disease to the detriment of the cutaneous test.

Adolescent↗
PubMed2005

Ocular manifestations of systemic disease in cats.

Systemic feline diseases (parasitic, bacterial, fungal, viral, neoplastic, metabolic, vascular, and immune-mediated) are often associated with ocular symptoms. An ocular examination is an important diagnostic tool and should be part of any physical examination. Conversely, cats afflicted with systemic disease require periodic ocular examinations for prognostic information and to prevent vision threatening complications. Typical feline systemic diseases encountered by the practicing clinician are presented with their commonly associated ocular signs.

Animals↗
PubMed1992

Oral-dental disease in cats. A feline practitioner's perspective.

The impact and relevance of dentistry in a general feline practice is detailed. Hospital policy and protocol are described for client education, preanesthetic evaluation, dental procedures, and recall programs. A discussion of commonly observed feline dental problems is included.

Animals↗