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At least 685 records · Page 38Linked to original sources
PubMed1987

Congenital and acquired neuromuscular disease of young dogs and cats.

Neuromuscular disorders in small animals include a diverse group of congenital and acquired diseases. The prognosis will vary according to the disorder and the portion of the motor unit affected. A number of diseases might be satisfactorily treated (for example, myasthenia gravis, congenital myotonia), whereas others may be self-limiting (for example, hereditary myopathy of Labrador Retrievers). Accurate diagnosis is necessary for establishing a prognosis and treatment plan suitable to the patient and client. Specific diagnosis in the absence of specialized tests is difficult, although not always impossible (for example, congenital myotonia in the Chow Chow). A knowledge of the neuromuscular diseases that might affect small animals, a detailed history, and a thorough physical examination will help in the presumptive diagnosis. Specialized laboratory examinations may need to be applied (for example, antiacetylcholine receptor antibody titer for acquired myasthenia gravis). Referral may be necessary for more detailed diagnostic workup (for example, electromyographic examination, nerve or muscle biopsy examination). In the case of inherited neuromuscular disorders, a knowledge of inheritance patterns will allow genetic counseling to avoid future problem breedings.

Animals↗
PubMed2004

[Visceral leishmaniasis among Indians of the State of Roraima, Brazil: clinical and epidemiologic aspects of the cases observed from 1989 to 1993].

A description of the epidemiological profile of visceral leishmaniasis among Indians in the State of Roraima, Brazil, was based on the clinical characteristics of human and dog disease, ecological aspects of the area where the cases occurred and entomologic investigations performed from 1989 to 1993. The 82 human cases were reported in six out of eight Counties that existed then in the state; there was a 69.5% predominance of male cases among those registered and a greater (52.4%) occurrence of the disease in children from zero to ten years old. The rate of natural infection was 10.3% out of 3,773 dogs examined in 74 different locations. Lutzomyia longipalpis was found in 31 areas with greater prevalence of the disease. The human and animal cases as well as the vectors were concentrated in areas where mountains and arable soil predominate, typical locations for the occurrence of American visceral leishmaniasis.

Adolescent↗
PubMed2007

Histologic and ultrastructural studies of juvenile onset renal disease in four Rottweiler dogs.

Juvenile onset renal disease is described in 2 male and 2 female young Rottweiler dogs. Histologic changes in all dogs were cystic dilatation of Bowman's space, mesangial hypercellularity, and glomerulosclerosis. Three dogs also had glomerular crescents and moderate to severe interstitial fibrosis. Electron microscopy revealed glomerular basement membranes of variable thickness, with extensive splitting or lamellation of the lamina densa. These ultrastructural findings are similar to those found in people and in other breeds of dogs with inherited defects in type IV collagen.

Animals↗
PubMed1994

Hepatic accumulation of alpha-1-antitrypsin in chronic liver disease in the dog.

Alpha-1-antitrypsin deficiency has long been known to cause liver cirrhosis in man, but whether it does so in the dog is uncertain. To investigate this point 57 dogs with clinically and histopathologically diagnosed chronic liver disease were examined. Isoelectric focusing of blood serum from these dogs and from 25 clinically healthy dogs revealed three different types of alpha-1 antitrypsin, designated F(fast), I(intermediate) and S(slow). They appeared in both homozygous and heterozygous forms, the F type being seen most frequently. The I type was more common in cocker spaniels than in other breeds. Immunostaining for alpha-1 antitrypsin revealed that 37 diseased dogs had alpha-1 antitrypsin in the cytoplasm of their hepatocytes. Of these, 21 dogs had globular alpha-1 antitrypsin inclusions in the endoplasmic reticulum, indicating aggregated protein. Accumulated alpha-1 antitrypsin was found most frequently in dogs having the I and S types of alpha-1 antitrypsin, either homozygously or heterozygously. With a few exceptions, F-homozygotic dogs had no hepatocellular alpha-1 antitrypsin accumulation. As alpha-1 antitrypsin aggregation is lethal to hepatocytes and as cell death attracts mononuclear blood cells whose cytokines induce continued alpha-1 antitrypsin synthesis with subsequent risk of further alpha-1 antitrypsin accumulation, liver disease may thus be maintained. Whether alpha-1 antitrypsin aggregates actually initiate liver disease in dogs, as in man, remains to be elucidated by further biochemical investigation of the three canine alpha-1 antitrypsin types found.

Animals↗
PubMed1995

Comparative biology of the neuronal ceroid-lipofuscinoses (NCL): an overview.

Multiple forms of ceroid-lipofuscinosis occur in human beings and animals. They are characterized by brain and retinal atrophy associated with selective necrosis of neurons. This neurodegenerative disease appears associated with the disease process rather than storage of fluorescent lipopigment per se, and there is now growing evidence that pathogenesis may involve mitochondria rather than a primary defect of lysosomal catabolism. Of the forms of ceroid-lipofuscinosis studied, most but not all reflect accumulation of subunit c of mitochondrial ATP synthase. If there is a common denominator between all forms other than the presence of fluorescent lipopigment, then it may be the accumulation of hydrophobic protein. Analogous diseases in animals can be expected to reflect the same spectrum of biochemical changes, and they warrant in-depth study to help understand the pathogenesis and heterogeneity of the group.

Animals↗
PubMed1986

Intestinal atresia and stenosis: a review comparing its etiopathogenesis.

Two theories were proposed originally to describe the development of congenital intestinal atresia. The theory of imperfect recanalization, the theory of vascular insufficiency, and studies which have been performed to validate each of these theories were reviewed. Specific causes of the development of vascular insufficiencies in different species were reviewed if literature was available. In utero vascular accidents have been incriminated as the major cause of congenital intestinal atresia distal to the duodenum. There was relatively little evidence to show that intestinal atresia is inherited in any species. Duodenal atresia may be caused by either an embryologic defect for which there is some evidence of inheritance or by a vascular accident. The pathogenic mechanism for intestinal atresia may be similar in most species.

Animals↗
PubMed1986

Intestinal atresia and stenosis: a review comparing its morphology.

A review of the literature on intestinal atresia of domestic animal species and humans was done. The 5 types of intestinal occlusions described in human infants are atresia type 1, atresia type 2, atresia type 3, stenosis, and the "apple peel" or "Christmas tree" deformity. The intestinal defects described in domestic animal species such as the bovine, equine and porcine are similar to those of human infants. The "T-formation", an intestinal defect of the bovine resembling atresia type 3, and rectal stricture, an acquired intestinal defect of the porcine resembling stenosis, were described recently. Intestinal atresia is similar in several species and these similarities raise the questions as to whether the pathogenic mechanism and possibly etiologies of intestinal atresia are similar in these species.

Animals↗
PubMed1977

Tick-borne diseases of domestic animals in northern Nigeria. I. Historical review, 1923-1969.

Information on the occurrence of tick-borne diseases of domestic animals in northern Nigeria for the period 1923 to 1966 is summarised. Due to lack of obvious outbreaks and diverse interest of the veterinary staff, the published information is very scanty. Significant for the period under review was the complicating factor of Babesia bigemina infections in cattle undergoing rinderpest immunisation procedures or suffering from trypanosomiasis. Tick-borne diseases were also considered important in imported breeds of livestock and in those kept under intensive systems of management.

Animals↗
PubMed2001

Arthroscopy.

Canine arthroscopy has made significant technological and scientific advancements in the last 10 years. The history of canine arthroscopy and currently available equipment required for performing diagnostic and therapeutic arthroscopy are discussed. Basic arthroscopic techniques are described in detail. Specific approaches to the major joints and associated disease processes treatable by arthroscopic methods are reviewed. The future of canine arthroscopy is bright and specific procedures for treating the joint diseases of dogs will undoubtedly be described as the collective arthroscopic expertise of veterinary surgeons increases.

Animals↗
PubMed1985

Cirrhosis: a consequence of chronic liver disease.

The definition, etiology, and pathophysiology of cirrhosis are discussed. The author also discusses therapy for cirrhosis, which is directed at treating the primary etiology as well as controlling the common secondary complications of the disease.

Animals↗
PubMed1990

Qualitative tear film disease.

Abnormalities of the lipid and mucin components of the preocular tear film may result from diseases of the eyelid margins and conjunctiva. Chronic keratoconjunctivitis with epithelial edema and superficial corneal neovascularization, with or without ulceration, characterizes qualitative tear diseases. Tear components other than lipid and mucin that carry probable clinical significance include tear proteins, all-trans retinal, cholesterol, glucose, and electrolytes. Although less common than quantitative or aqueous deficiencies, qualitative abnormalities are recognized as primary or secondary causes of ocular surface disease in companion animals.

Animals↗
PubMed1992

Chronic rhinitis and dental disease.

Whenever an animal is examined because of chronic rhinitis, the dentition should be carefully examined to rule out the possibility of a primary dental problem. Oral examination under heavy sedation or general anesthesia is necessary to diagnose many of these cases. A periodontal probe is used in detecting deep periodontal pockets that extend into the nasal cavity or maxillary sinus. A dental explorer is used to reveal pulpal exposure secondary to dental fractures or rapid dental wear or attrition. Careful oral examination is used to localize any oronasal or oroantral fistula from a previously lost tooth. Dental radiographs help to reveal the extent of alveolar bone pathology. An assessment of all these findings will result in an accurate diagnosis of the primary cause of the chronic rhinitis, which will in turn facilitate appropriate treatment.

Animals↗
PubMed1994

Allergic- and immunologic-mediated diseases of the eye and adnexae.

Significant allergic- and immunologic-mediated diseases of the eye are reviewed. Included are diseases of the lacrimal gland namely keratoconjunctivitis sicca, immune-mediated diseases of the conjunctiva, atopic blepharoconjunctivitis, and marginal blepharitis, uveitis including lens-induced uveitis, episcleritis, orbital cellulitis, and optic neuritis. Significant diagnostic features, an approach to diagnostic workup, and treatment are presented.

Animals↗