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PubMed1984

Management of liver disease in dogs and cats.

Liver disease may cause a variety of clinical signs, including depression, anorexia, weakness, weight loss, vomiting, diarrhea, fever, abdominal pain, jaundice, ascites and CNS signs. Treatment is aimed at eliminating the cause, providing supportive care, and preventing secondary complications. Rest facilitates liver regeneration. Hypokalemia, respiratory alkalosis and hypoglycemia may complicate liver disease. Fluids should be given IV rather than SC to severely dehydrated animals. Preferred solutions include Ringer's and half-strength saline with 2.5% dextrose. Solutions containing lactate should not be used. Dietary management includes feeding adequate amounts of protein of high biologic value, carbohydrates, fat, vitamins and minerals.

Acid-Base Imbalance↗
PubMed2003

Long-term serological analysis and clinical follow-up of patients with cat scratch disease.

A highly specific enzyme immunoassay (EIA) was recently described for use in the diagnosis of cat scratch disease (CSD). However, data regarding EIA antibody kinetics or its correlation with long-term clinical follow-up data are lacking. The association between antibody kinetics, clinical spectrum, and disease duration were studied in 98 patients with CSD. The median duration of follow-up was 35.3 weeks (range, 2-211.3 weeks). Results of EIA testing for detection of anti-Bartonella henselae immunoglobulin M (IgM) antibodies (detected in 53% of the patients) remained positive for < or =3 months. Therefore, the presence of IgM indicated acute infection. Titers of immunoglobulin G (IgG) also decreased over time; 25% of the patients remained seropositive for >1 year after the onset of CSD. Onset of CSD in patients with an IgG titer with an optical density of > or =1.0 occurred within the prior 12 months. No association was found between antibody titers or their kinetics and the clinical manifestations or duration of disease. EIA allows for the identification of atypical manifestations of CSD that were unrecognized before the use of serological assays. Complete recovery from these manifestations may take months. Results of this study provide additional data supporting the utility of EIA in the serodiagnosis of CSD.

Adolescent↗
PubMed1994

Monoclonal antibodies to Afipia felis--a putative agent of cat scratch disease.

Twelve hybridoma clones producing monoclonal antibodies to Afipia felis, a putative causative agent of cat scratch disease, were derived from BALB/c mice immunized with A felis. All 12 monoclonal antibodies were species-specific for A felis and reacted with lipopolysaccharide antigens of A felis. These monoclonal antibodies belong to immunoglobulin (Ig) G1, IgG2a, IgG2b, IgG3, and IgM isotypes. All monoclonal antibodies reacted with both agar-grown A felis and tissue culture-propagated A felis. Formalin fixation did not alter the reactivity of the antigen with the monoclonal antibodies. These monoclonal antibodies could be a useful tool for investigation of the disputed role of A felis in cat scratch disease.

Animals↗
PubMedDate not supplied

Characterization of the anemia of inflammatory disease in cats with abscesses, pyothorax, or fat necrosis.

The purpose of this study was to describe the anemia of inflammatory disease (AID) in cats with naturally-occurring inflammatory diseases, such as abscesses (n = 12), pyothorax (n = 6), and fat necrosis (n = 3). Exclusion criteria were positive FeLV/FIV tests, neoplasia, nephro-, hepato- or endocrinopathies, and blood loss anemia. CBC, clinical biochemistry, measurements of serum erythropoietin, iron, total iron-binding capacity (TIBC), ferritin, acute phase proteins, erythrocytic osmotic fragility (OF), and Coombs' tests were performed. A decrease in hematocrit of 1-28% (median, 10%) occurred within 3-16 days (median, 8 days). The anemia was mild (n = 11), moderate (n = 8), or severe (n = 2). In most cases it was normocytic normochromic, non-regenerative (n = 18), or mildly regenerative (n = 3). Sixteen cats had leukocytosis and 5 mild hyperbilirubinemia. The Coombs' test results were negative for 8 cats and positive for 1 cat. OF was increased in 2 out of 14 cats. Hypoalbuminemia (n = 18) and hyperglobulinemia (n = 16) resulted in a lowered albumin/globulin-ratio in 19 cats. Iron and TIBC were low in 2/19 and 6 /19 cats, respectively. The ferritin concentrations were normal in 7 cats and increased in 12 cats. The acute phase proteins alpha1-acid-glycoprotein and haptoglobin were increased in 14/14 and 13/14 cats, respectively. Erythropoietin was normal (n = 4), mildly increased (n = 7) or severely increased (1). Two cats were euthanized due to their underlying disease, 3 cats needed blood transfusions. AID in cats is usually mild to moderate, non-regenerative, and normocytic normochromic. It can be clinically relevant causing severe and transfusion-dependent anemia. AID seems to be multifactorial with evidence of iron sequestration, decreased RBC survival, and insufficient erythropoietin production and bone marrow response. Specific and supportive therapy, including transfusions, can reverse these processes.

Abscess↗
PubMed2000

[Parotid involvement in cat scratch disease: a differential diagnosis with increased significance].

BACKGROUND: Bartonella henselae is the causative agent of cat-scratch disease (CSD), an inflammatory infection of the lymph nodes. So far, only few cases of atypical manifestations in the head and neck, especially manifestations in the parotid gland have been reported. PATIENTS AND METHODS: Between January 1997 and June 1999 seven patients with manifestations of CSD in the parotid gland were observed at the ENT-department Freiburg. The positive diagnosis was confirmed serologically by an indirect immunofluorescence assay and by detection of Bartonella henselae-DNA with PCR-amplification and subsequent hybridization or sequencing. RESULTS: An intraglandular abscessed lymphadenitis was found in five patients, two of these cases were based on a Parinaud's oculoglandular syndrome. A diffuse affection of the parotid gland, initially misinterpreted as a parotid tumor, was seen in two patients. CONCLUSIONS: Antibiotic treatment is recommended in order to reduce the duration of the disease, in cases of pain and lymph node abscesses. In uncommon manifestations of CSD, the nosological assignment can be difficult on the basis of the heterogeneous symptomatic in the individual patient and the CSD diagnosis can only be confirmed by serology or PCR-based techniques. CSD should be considered in the differential diagnosis of all equivocal masses in the head and neck, even in unusual localisations like the parotid gland.

Abscess↗
PubMed1997

Detection of antibodies to Bartonella henselae in clinically diagnosed cat scratch disease.

OBJECTIVE: To determine the usefulness of an indirect immunoflourescence antibody test for antibodies to Bartonella henselae in diagnosing cat scratch disease (CSD). DESIGN AND SETTING: Retrospective case survey of 354 patients whose sera were tested for antibodies to B. henselae at Royal Perth Hospital, Perth, and the Institute of Clinical Pathology and Medical Research, Sydney. In 1994; and measurement of the background prevalence of antibodies to B. henselae. MAIN OUTCOME MEASURES: Prevalence of antibodies to B. henselae, odds of a positive titre (> or = 64) in patients with and without specific risk factors for CSD and clinical features of the disease; prevalence of antibodies to B. henselae in randomly selected blood donors. RESULTS: Demographic, clinical and cat contact data were available for 303 patients. Sixty-four (21.1%) had a positive titre, as did 53 of 98 (54%) patients with a history of cat contact and lymphadenopathy. This proportion increased to 62% (38 of 61 patients) in patients with a history of cat scratch or bite and to 90.3% (28 of 31) in those with cat contact, lymphadenopathy and histological evidence of granulomatous lymphadenitis. Patients who developed lymphadenopathy after cat contact were significantly more likely to have a positive titre than those without this history (odds ratio [OR], 20.8; 95% confidence interval [95% Cl], 9.6-46; P < 0.0001). Inclusion of a history of a cat scratch or bite significantly raised the odds of being seropositive (OR, 13.7; 95% Cl, 6.8-28.1; P < 0.0001), and the presence of granulomas on lymph node biopsy further increased the odds (OR, 124.4; 95% Cl, 19.4-1073; P < 0.0001). The prevalence of antibodies to B. henselae in random blood donors in New South Wales was about 5% (five of 102 sera samples). CONCLUSIONS: The immunofluorescence antibody test for B. henselae can be expected to be positive in just over half the patients with clinically suspected CSD, and it has a positive predictive value of 83%. In a significant number of cases the diagnosis cannot be made on the basis of the results of immunofluorescence antibody testing alone and further investigations, including lymph node biopsy, may be required.

Adolescent↗
PubMed1991

Cat-scratch disease: an unusual cause of combative behavior.

Acute encephalitis is an unusual manifestation of cat-scratch disease. The authors present the case of a 27-year-old man who exhibited the acute onset of encephalitis manifested by violent behavior and confusion. The diagnosis of drug abuse was presumed initially, but a careful examination revealed the true cause to be cat-scratch disease. Emergency physicians are frequently faced with the challenging task of evaluating confused and combative patients. This case demonstrates the importance of a complete physical examination and a thorough laboratory evaluation.

Adult↗
PubMedDate not supplied

Inheritance of polycystic kidney disease in Persian cats.

Polycystic kidney disease in Persian cats culminates in chronic renal failure after a variable clinical course. An affected 6-year-old Persian cat was used to establish a colony of cats with polycystic kidney disease. In affected cats, cysts could be detected by ultrasonography as early as 7 weeks of age. Absence of cysts on ultrasound examination at 6 months of age was correlated with absence of polycystic kidney disease at necropsy. Both males and females were affected and, of progeny from affected x unaffected crosses, 42% were affected and 58% were unaffected. In affected x affected crosses, 73% of progeny were affected and 27% were unaffected. These results are compatible with autosomal dominant inheritance of this trait. Polycystic kidney disease in Persian cats resembles autosomal dominant polycystic kidney disease (ADPKD) in human beings, and represents a valuable animal model of the human disease.

Animals↗
PubMed2002

Cat-scratch disease in an immunocompromised host.

BACKGROUND: The main causative agents of cat-scratch disease are Bartonella henselae, tiny, gram-negative bacilli. The disease usually has a benign course with the development of a papule at the inoculation site, followed by regional lymphadenopathy. In most cases, complete resolution occurs, but in immunocompromised hosts, the course of the disease can be aggravated. CASE REPORT: A patient received methotrexate and corticosteroids for 3 months due to rheumatoid arthritis. He developed fever, exanthema and leukopenia under methotrexate therapy. Dark red indurations with central ulcerations at his right thigh revealed a further problem apart from the methotrexate-induced leucopenia and immunosuppression. The ulcerations were the remainders of recurrent scratches from the patient's cat. The patient's antibody titers against Bartonella henselae remained low and inguinal lymph node swelling was only for a short time to be observed, this reaction obviously weakened as a result of the immunosuppression. However, the typical course, the exclusion of other reasons for the exanthema and the rapid improvement of the patient's condition after antibiotic treatment ascertained the diagnosis. CONCLUSIONS: In immunocompromised hosts, diseases with a typically benign course can become severe and life-threatening illnesses. Ownership of pets should be taken into consideration before onset of an immunosuppressive therapy.

Aged↗
PubMed1989

Cat-scratch disease masquerading as a solitary tumor of the breast.

Cat-scratch disease in breast lymph node tissue may present as a mass lesion and require clinical investigation to rule out malignancy. Four cases involving prepectoral lymph nodes have been diagnosed at the Armed Forces Institute of Pathology, Washington, DC. Mammographic findings of a smooth-edged soft-tissue density without spiculation or calcification may suggest the diagnosis. Warthin-Starry silver impregnation of tissue sections is the preferred method of diagnosis, and should be added to the diagnostic workup of granulomatous lesions of the breast.

Adult↗
PubMed1989

Cat-scratch disease in a patient with AIDS.

A case of cat-scratch disease (CSD) in a patient with acquired immunodeficiency syndrome (AIDS) is reported. The lymph node pathologic characteristics were altered from those usually seen with CSD, showing clusters of vacuolated macrophages admixed with pycnotic nuclear debris instead of the usual suppurative granulomas. Evidence for the diagnosis was provided by Warthin-Starry stain and electron microscopic demonstration of the presumed CSD bacillus. Empiric treatment with antibiotics brought about clinical improvement. This case demonstrates the altered lymph node pathologic characteristics with CSD that may occur in a patient with AIDS.

Acquired Immunodeficiency Syndrome↗