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PubMed2005

Geriatric heart diseases in dogs.

A discussion of the diagnosis and therapy of heart disease in an aged pet does not differ significantly from that in a pet of any age. Mitral regurgitation constitutes by far the most important geriatric heart disease, and the selection of drugs to treat heart disease of aging pets is based on identification of specific pathologic features (eg, atrial fibrillation, left atrial enlargement) for which each aspect of treatment (eg, diuretics, angiotensin-converting enzyme inhibitors, spironolactone) is specific.

Adrenergic beta-Antagonists↗
PubMed1976

Experimental respiratory disease in dogs due to Bordetella bronchiseptica.

Young dogs of two age groups, six weeks and 12 weeks respectively, were infected by aerosol with a strain of Bordetella bronchiseptica which had been isolated from a dog with pneumonia. Clinical respiratory disease characterised by coughing and in some cases purulent nasal discharge was induced in both groups of infected dogs and also in dogs kept in contact. B bronchiseptica was recovered from the nasal cavity, trachea, bronchi and lung parenchyma of infected and contact animals. At necropsy, masses of Gram-negative bacteria were found trapped in the cilia of the respiratory epithelia and there was an exudate containing neutrophils in the mucosae of the respiratory tract at all levels. A close similarity was noted between the lesions produced in the dog and those described in pertussis infection in man. Experimental respiratory disease in the dog due to B bronchiseptica may offer a model system for the study of the human disease.

Animals↗
PubMedDate not supplied

Cytological analysis of bronchoalveolar lavage fluid in the diagnosis of spontaneous respiratory tract disease in dogs: a retrospective study.

Results of cytological analysis of bronchoalveolar lavage (BAL) fluid were compared with clinical diagnoses in dogs that presented with signs of respiratory disease to referral hospitals. Of 68 dogs in which a clinical diagnosis was possible, BAL cytological findings were considered definitive for the diagnosis in 17 cases (25%), supportive of the diagnosis in 34 cases (50%), and not helpful in 17 cases (25%). Findings were most often considered supportive of or definitive for the clinical diagnosis in dogs with alveolar or bronchial radiographic patterns, or the presence of pulmonary masses. BAL results among lung lobes differed in 23 of 63 dogs (37%) with diffuse radiographic patterns. Tracheal wash cytology differed from BAL fluid cytology in 45 of 66 dogs (68%). Bronchoalveolar lavage was a clinically useful procedure for the diagnostic evaluation of dogs with signs of respiratory disease.

Animals↗
PubMed2003

Zoonotic skin diseases of dogs and cats.

Although there are over 250 zoonotic diseases, only 30-40 of them involve dogs and cats. Transmission of zoonotic infections occurs via bites, scratches or touch; exposure to saliva, urine or feces; inhalation of particles or infectious aerosols; contact with a transport or intermediate host (e.g. ticks, fleas); or exposure to contaminated water, soil or vegetation. This paper summarizes the most important common zoonotic dermatological diseases of dogs and cats. The most common dermatological zoonoses are flea and tick infestations and the diseases they transmit; dermatophytosis; and mite infestations (Sarcoptes and Cheyletiella). Prevention of zoonotic infestations or infections can be accomplished easily by the use of routine flea and tick control, screening of new pets for dermatophytosis, and routine hand-washing.

Animals↗
PubMed1992

Study of prostatic disease in dogs: 177 cases (1981-1986).

Historical and physical signs associated with prostatic disease diagnosed in dogs over a 5.5-year period were defined. One hundred seventy-seven male dogs were determined to have prostatic abnormality. Of the 177 dogs, 87 were determined to have specific prostatic disease. The most common prostatic disease identified in this study was bacterial prostatitis, followed by prostatic cyst, prostatic adenocarcinoma, and benign hyperplasia. The most common prostatic disease identified in neutered dogs was prostatic adenocarcinoma. Mean age at onset of prostatic disease was 8.9 years; statistically significant difference was not observed between age at onset of the various types of prostatic disease identified. Doberman Pinscher was the most common breed with prostate disease. Twenty-nine percent of dogs with a specifically identifiable prostatic disease had signs of systemic illness, 41% had signs of lower urinary tract disease, 28% had signs of gastrointestinal tract abnormalities, and 13% had signs of locomotor difficulty.

Abscess↗
PubMed2004

Measurement of total antioxidant capacity in gingival crevicular fluid and serum in dogs with periodontal disease.

OBJECTIVE: To determine whether gingival crevicular fluid (GCF) and serum total antioxidant capacities (TACs) correlate with the degree of severity of periodontal disease in dogs. ANIMALS: 41 Toy and Miniature Poodles. PROCEDURES: After assessment of the degree of severity of naturally occurring periodontitis, GCF samples from both maxillary fourth premolars and a blood sample were collected from each dog. The condition of the periodontium of the entire dentition and at each site of GCF collection was recorded. Clinical parameters assessed included plaque index, gingival index, and probing depth. Radiographic analysis of alveolar bone level was also performed. Total antioxidant capacity was measured in GCF and serum samples by use of a commercial kit. RESULTS: Dogs with gingivitis and minimal periodontitis had significantly higher TAC in GCF than dogs with advanced periodontitis. Bivariate regression analysis revealed significant negative correlations between TAC in GCF and clinical parameters and age. The TAC in serum was significantly negatively correlated with the degree of gingival inflammation but was not significantly correlated with age. CONCLUSIONS AND CLINICAL RELEVANCE: TAC in GCF is related to the degree of severity of periodontal disease in dogs. This is likely the result of release of reactive oxygen species by activated phagocytes and fibroblasts in the inflamed periodontal tissues. The results of our study suggest that the local delivery of antioxidants may be a useful adjunctive treatment for periodontitis in dogs.

Age Factors↗
PubMed1999

Clinical outcome and associated diseases in dogs with leukocytosis and neutrophilia: 118 cases (1996-1998)

OBJECTIVE: To describe diseases, prognosis, and clinical outcomes associated with leukocytosis and neutrophilia in dogs. DESIGN: Retrospective study. ANIMALS: 118 dogs with leukocytosis and neutrophilia. PROCEDURE: Medical records from 1996 to 1998 were examined for dogs with WBC > or = 50,000 cells/microliter and neutrophilia > or = 50%. Signalment, absolute and differential WBC counts, body temperature, clinical or pathologic diagnosis, duration and cost of hospitalization, and survival time were reviewed. RESULTS: Mean age was 7.7 years, WBC count was 65,795 cells/microliter, and absolute neutrophil count was 53,798 cells/microliter. Mean duration of hospitalization was 7.4 days and cost of hospitalization was $2,028.00. Forty (34%) dogs were febrile, and 73 (62%) dogs died. Overall median survival time was 17 days. Dogs with neoplasia or fever were more likely to die than dogs that were hospitalized or had systemic or local infections. CLINICAL IMPLICATIONS: Leukocytosis and neutrophilia were associated with high mortality rate and have prognostic value. Given the mean duration and cost of hospitalization, frank discussion with an owner at first recognition of leukocytosis and neutrophilia may be warranted.

Animals↗
PubMed1983

Relationship of toxoplasma infections to other diseases in dogs.

Toxoplasma infection as detected by the immunofluorescent antibody (IFA) test was found in 13.2% of 448 dogs examined at the Purdue University Small Animal Clinic. Only titres of 1/64 and above were considered positive, but lesser titers were encountered more frequently. The highest titer observed was 1/1024 in 2 dogs one of which had idiopathic epilepsy and the other had dirofilariasis as well as hip dysplasia. The incidence of positive sera from male and female dogs were 11.7 and 14.5%, respectively. The highest frequency of infection occurred in young dogs up to 4 years of age and the lowest was in older animals. The presence of the high toxoplasmosis IFA titers in the sera of dogs seems to be associated with other disease conditions. Stress such as joint dislocations, fractures, helminth parasitism, and concomitant bacterial and viral infections, etc., was observed in 62.7% of the positive cases. Presence of tumors and renal disease conditions were associated with 28.8 and 5.2%, respectively, of the positive sera.

Animals↗
PubMed1994

[Total thyroxine (T4) and free thyroxine (FT4) in hypothyroidism and nonthyroid diseases of dogs].

In 1548 dogs total and free thyroxine were determined. 559 of these dogs had been divided into 13 groups: 130 were healthy dogs, 22 suffered from hypothyroidism, two from hyperthyroidism, 405 from various other internal diseases. The other 989 dogs did not belong to one of the groups of interest or could not be attached to a certain group. In all hypothyroid dogs FT4-values were hypothyroid, whereas T4 was hypothyroid just in 16 cases; the other six values were located in the "gray area", which is supposed to be 1.2 to 1.8 micrograms/dl (15 to 23 nmol/l). Many dogs with other diseases expressed low T4- and/or FT4-values, too. Low hormone values could be measured especially in case of severe diseases. If the clinical symptoms corresponded to hypothyroidism and both T4 and FT4 were situated in the hypothyroid area, hypothyroidism is generally assumed. In all the other cases further diagnostic procedures must be performed.

Alopecia↗
PubMed2005

Computed tomography as an aid in the diagnosis of chronic nasal disease in dogs.

OBJECTIVES: To assess the use of computed tomography (CT) in the diagnosis of chronic nasal disease in dogs. METHODS: A retrospective study of 85 dogs with chronic nasal discharge due to primary nasal disease, which had undergone nasal CT and biopsy, was carried out. Medical records were reviewed for signalment, clinical signs, CT findings, endoscopic findings and histopathology. The results obtained via CT were correlated with nasal histopathology and gross anatomical observations were recorded at the time of rhinoscopy. RESULTS: Neoplasia was diagnosed in 37 dogs for which CT typically revealed a soft tissue density associated with extensive turbinate destruction. Inflammatory rhinitis was diagnosed in 40 dogs. CT disclosed either normal turbinate structures or mild to moderate turbinate destruction, with or without the presence of soft tissue densities (mucopus) within the nasal passages. Fungal rhinitis was diagnosed in seven dogs for which CT disclosed extensive turbinate destruction with hyperlucency of the nasal passages. One dog had normal CT and histopathology findings. CLINICAL SIGNIFICANCE: CT greatly enhanced the ability to diagnose chronic nasal disease in dogs, providing detailed Information regarding the extent of the disease, accurate discrimination of neoplastic versus non-neoplastic diseases, and identification of areas of the nose to examine rhinoscopically and suspicious regions to target for biopsy.

Animals↗
PubMed1984

Management of liver disease in dogs and cats.

Ampicillin or amoxicillin is a good initial choice for treatment of liver disease involving bacteria. Cephalosporins, among other antibiotics, can be used with aminoglycosides for a broad-spectrum effect. Metronidazole may benefit patients with hepatic encephalopathy. Tetracycline, penicillins and cephalosporins are good choices for biliary disease. Corticosteroids are indicated for chronic active hepatitis, cholangiohepatitis, immune-mediated hepatopathy, and hepatic lymphosarcoma and mast-cell tumors. D-penicillamine is used to treat hepatic Cu toxicosis. Colchicine has been used to combat hepatic fibrosis. Lactulose is used in long-term management of hepatic encephalopathy. Diuretics and a low-Na diet help control ascites. Cimetidine is used to control GI ulcers. Anabolic steroids help reverse protein catabolism. Acetylcysteine is an antidote for acetaminophen toxicity. Use of hetacillin, chloramphenicol, lincomycin, sulfonamides, erythromycin, acetaminophen and methyltestosterone should be avoided in patients with liver disease.

Acetylcysteine↗
PubMed2003

Mycoplasma canis and urogenital disease in dogs in Norway.

Mycoplasmas identified as Mycoplasma canis were isolated from nine dogs with clinical signs of urogenital disease in Norway over a period of 20 months. Some of the dogs had been treated unsuccessfully with antibiotics, and three were euthanased as a result of severe persistent disease. Seven of the dogs had a urinary tract infection, one had chronic purulent epididymitis and one had chronic prostatitis. Overt haematuria was frequently observed among the dogs with cystitis. M canis was isolated in pure culture from seven of the dogs and in mixed culture from the other two. In three cases the mycoplasma was cultivated only from urinary sediment, and it was typically obtained in smaller numbers than would be considered indicative of a urinary tract infection. In contrast with most mycoplasmas, the M canis isolated from all the dogs grew on ordinary blood agar plates used for routine bacteriological cultivation. Specific mycoplasma media were not used and the presence of other Mycoplasma or Ureaplasma species cannot be excluded.

Animals↗