Document Detail

Nocardioform placentitis with isolation of Amycolatopsis spp in a Florida-bred mare.
MedLine Citation:
PMID:  16618229     Owner:  NLM     Status:  MEDLINE    
CASE DESCRIPTION: A 4-year-old Thoroughbred mare was evaluated because of placental abnormalities and a retained placental remnant. CLINICAL FINDINGS: Microbial culture of the placenta yielded pure growth of Amycolatopsis spp. Histologic examination of the placenta revealed a focally expanding chorionitis with intralesional gram-positive filamentous bacilli and multifocal allantoic adenomatous hyperplasia on the apposing allantoic surface. TREATMENT AND OUTCOME: Treatment with lavage and oxytocin resulted in expulsion of the placental remnant within hours of parturition. The mare did not become pregnant again despite multiple breedings. The foal appeared healthy but died of complications during an elective surgical procedure at 7 weeks of age. CONCLUSIONS AND CLINICAL RELEVANCE: To the author's knowledge, all previously confirmed cases of nocardioform placentitis have been in mares bred in the central Kentucky region. Indications that the pathogen in the mare reported here is a different species than that isolated in Kentucky suggest that this is an emerging disease. Mares with nocardioform placentitis usually do not have the same clinical signs as mares with placentitis resulting from an ascending pathogen.
Bruce W Christensen; John F Roberts; Malgorzata A Pozor; Steeve Giguere; Stephen F Sells; James M Donahue
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Journal of the American Veterinary Medical Association     Volume:  228     ISSN:  0003-1488     ISO Abbreviation:  J. Am. Vet. Med. Assoc.     Publication Date:  2006 Apr 
Date Detail:
Created Date:  2006-04-18     Completed Date:  2006-06-19     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7503067     Medline TA:  J Am Vet Med Assoc     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1234-9     Citation Subset:  IM    
Department of Large Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, FL 32610, USA.
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MeSH Terms
Actinomycetales / isolation & purification
Actinomycetales Infections / diagnosis,  microbiology,  pathology,  veterinary*
Horse Diseases / diagnosis,  microbiology*,  pathology
Placenta / microbiology,  pathology
Placenta Diseases / diagnosis,  microbiology,  pathology,  veterinary*
Pregnancy Complications, Infectious / diagnosis,  microbiology,  pathology,  veterinary*
Pregnancy Outcome

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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