Abstract— Dermatophytes were cultured from seventy of 1824 (3.8 per cent) canine samples and 61 of 408 (14.9 per cent) feline samples submitted over ten years. Microsporum canis was the most common species isolated (86/131). M. gypseum (31/70) and M. canis (30/70) were isolated most frequently from dogs whereas M. canis was isolated most frequently from cats (56/61). Both male and female dogs and cats were equally affected by dermatophytosis. There was a higher incidence in both dogs and cats less than one year of age. Mixed breed dogs (19/70), domestic shorthaired cats (39/61) and Persian cats (15/61) were most often affected. M. gypseum had a greater incidence of infection in summer and most often caused localized disease in dogs. In dogs, localized dermatophytosis was more common. Localized infections were most often caused by M. canis in all animals, with the head (23/75), feet (10/75) and tail (7/75) affected most frequently. Résumé— Dos dermatophytes ont été isolés à partir de 70/1824 (3,8 pourcent) prélèvements canins et 61/408 (14,9 pourcent) prélèvements félins collectés sur une période de dix ans. L'espèce la plus souvent isolée était Microsporum canis (86/131). Microspomm gypseum (31/70) et M. canis (30/70) étainet les plus fréquemment isolés chez les chiens, alors qu'il s'agissait de M. canis (56/61) chez les chats. Les mâles et les femelles, chiens ou chats, étaient également représentés. Il y avait une nette incidence des animaux de moins d'un an, tant chez les chiens que chez les chats. Les chiens croisés (19/70), les chats européens (39/61) et les chats Persans (15/61) étaient les plus souvent atteints. L'incidence de M. gypseumétait plus importante l'été et provoquait les plus souvent des lésions localisées les chiens. Les formes localisées étaient plus fréquentes chez les chiens et le plus souvent dues àM. canis dans les deux espèces, avec une atteinte préférentielle de la tête (23/75), des membres (10/75) et de la queue (7/75). Zausammenfassung— Aus siebzig von 1824 Proben von Hunden (3,8 Prozent) und 61 von 408 Proben von Katzen (14,9 Prozent) von einem Zeitraum über zehn Jahre wurden Dermatophyten angezüchtet. Microsporum canis war die am häufigsten isolierte Spezies (86/131). Microsporum gypseum (31/70) und M. canis (30/70) wurden am häufigsten bei Hunden isoliert, M. canis dagegen wurde am häufigsten bei Katzen isoliert (56/61). Männliche wie weibliche Hunde und Katzen waren gleichermaßen von Dermatomykosen betroffen. Sowohl bei Hunden also auch bei Katzen war die Inzidenz bei Tieren unter einem Jahr höher. Am häufigsten erkrankten Mischlingshunde (19/70), Kurzhaarhauskatzen (39/61) und Perserkatzen (15/61). Die Inzidenz der Infektion mit M. gypseum war im Sommer größer, bei Hunden verursachte es mehr lokalisierte Erkrankungen. Bei Hunden überhaupt waren lokalisierte Dermatomykosen häufiger anzutreffen. Lokalisierte Infektionen wurden bei alien Tieren am häufigsten durch M. canis verursacht, am meisten betroffen waren Kopf (23/75), Pfoten (10/75) und Schwanz (7/75). Resumen Se cultivaron d...
The medical records of 81 dogs (47 juvenile, 34 adult) with generalized demodicosis were reviewed. There was a significant difference in the distribution of breeds (juvenile P < 0.002, adult P < 0.001; chi squared) presented for demodicosis compared with the distribution of the same breeds presented to our practice during the same time period. Cocker Spaniels and mixed‐breed dogs were likely to be under‐represented in both the adult‐ and juvenile‐onset groups. Significantly more miticidal treatments were required to achieve clinical remission in adult dogs with pustular demodicosis compared with juvenile dogs with pustular disease (P < 0.05; Kruskall‐Wallis). Concurrent disease and associated drug administration were assessed for adult dogs with demodicosis. Of dogs with concurrent conditions (n=15), administration of corticosteroids and endogenous hyperadrenocorticism were recognized most often (10/15). Concurrent neoplastic, infectious, parasitic or metabolic disease was uncommon in dogs with adult‐onset demodicosis. Résumé— Les dossiers médicaux de 81 chiens présentant des démodécies généralisées (47 formes juvéniles, 34 formes adultes) ont été analysés. Il existait une différence significative (forme juvénile P < 0.002, forme adulte P < 0.001) dans la distribution des races présentées pour démodécie par rapport aux mêmes races présentées à notre consultation à la même époque. Les cockers spaniels et les chiens métissés sont sous ‐ représentés dans les deux groupes. Le nombre de traitements acaricides nécessaires pour obtenir une rémission clinique était significativement plus élevé chez les chiens adultes présentant une démodécie pustulcuse que chez les jeunes (P < 0.05; Kruskall‐Wallis). La présence de pathologies intercurrentes ou iatrogènes a été recherchée chez les chiens adultes. Chez les chiens présentant une pathologie intercurrente (n=15), les diagnostics les plus fréquents (10/15), étaient l'administration de corticoïdes ou un hypercorticisme endogène. Une pathologie intercurrente de type néoplasique, infectieuse, parasitaire ou métabolique est rarement associée à la forme adulte de démodécie canine. [Lemarié, S.L., Hosgood G., Foil C.S. A retrospective study of juvenile‐ and adult‐onset generalized demodicosis in dogs (1986–91) (Analyse retrospective de formes juveniles et de formes adultes de demodecie generalisee chez le chien (1986–91). Veterinary Dermatology 1996; 7: 3–10.] Resumen Se revisó la historia médica de 81 perros (47 jóvenes, 34 adultos) con demodicosis generalizada. Habia diferencias significativas en la distribución de razas (jóvenes P < 0.002, adulto P < 0.001; chi cuadrado) con una presentación de demodicosis comparado con la distribución de las mismas razas que se presentaron en nuestra consulta durante el mismo período. Los Cocker Spaniel y los cruzados tenían menos posibilidades de presentarse tanto en el grupo de perros jóvenes como en el de adultos. Se necesitaron tratamientos significativamente más miticidas para consequir curación clínica en los perros adultos con...
Analysis of our data suggests that cimetidine may affect absorption of orally administered CyA, but overall, it does not affect the pharmacokinetics of CyA. There is considerable variability in the maximum concentration of CyA among dogs, and monitoring of blood concentrations of CyA during treatment is advised.
The objectives of this study were to characterize the role of intermittent vs. continual flea exposure in the development of flea allergy dermatitis (FAD) in cats, assess the accuracy of intradermal skin testing (IDST) and in vitro testing, and document the incidence and histopathological features of indolent lip ulcers. Ten flea-naive cats were divided into two groups. One group received intermittent flea exposure for 120 days. Thereafter, both groups of cats received continuous flea exposure for 120 days. In vitro testing for flea salivary antibody and IDST utilizing both whole flea antigen and flea salivary antigen were performed. Eight of 10 cats developed clinical signs of FAD within 3 months and five of these eight cats developed lip ulcers which where characterized histopathologically by ulceration with predominantly neutrophilic inflammation and surface bacterial colonization. There was no association between the presence or absence of clinical signs and positive IDST or in vitro results, and no difference in the development of clinical signs was noted between the two groups of cats.
The purpose of this study was to develop and standardize a protocol for intradermal skin testing in birds. Forty clinically normal Hispaniolan Amazon parrots were anaesthetized and tested by intradermal injection with 0.02 mL of phosphate-buered saline, histamine phosphate, compound 48/80, codeine phosphate, deionized water, antiavian IgG and rabbit serum. Injection sites were evaluated at 5, 10 and 15 min, 4±6, 24 and 48 h following injection using callipers to measure the diameter of the wheals. A second intradermal skin test was repeated in 20 birds with 0.03 mL of saline, compound 48/80 and codeine phosphate. This study provides the basis for an appropriate protocol for intradermal skin testing in parrots, including recommended site (proventer region), volume of injection (0.02 mL), negative control (saline), positive control (codeine phosphate 1 : 100 000 w/v) and optimum reading time (5 min). Further study to establish appropriate dosages for test antigen will be required.
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