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Titolo:
Peritonitis associated with Actinobacillus equuli in horses: 51 cases
Autore:
Matthews, S; Dart, AJ; Dowling, BA; Hodgson, JL; Hodgson, DR;
Indirizzi:
Univ Sydney, Dept Vet Clin Sci, Univ Vet Ctr, Camden, NSW 2570, Australia Univ Sydney Camden NSW Australia 2570 et Ctr, Camden, NSW 2570, Australia
Titolo Testata:
AUSTRALIAN VETERINARY JOURNAL
fascicolo: 8, volume: 79, anno: 2001,
pagine: 536 - 539
SICI:
0005-0423(200108)79:8<536:PAWAEI>2.0.ZU;2-O
Fonte:
ISI
Lingua:
ENG
Soggetto:
EQUINE NEONATAL SEPTICEMIA; DISEASE; HEALTHY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
25
Recensione:
Indirizzi per estratti:
Indirizzo: Matthews, S Univ Sydney, Dept Vet Clin Sci, Univ Vet Ctr, Werombi Rd, Camden, NSW 2570, Australia Univ Sydney Werombi Rd Camden NSW Australia 2570 70, Australia
Citazione:
S. Matthews et al., "Peritonitis associated with Actinobacillus equuli in horses: 51 cases", AUST VET J, 79(8), 2001, pp. 536-539

Abstract

Objective To review the clinical findings, diagnosis and treatment of 51 horses with peritonitis attributed to Actinobacillus equuli. Design Retrospective study of clinical casesMethods Breed, age and gender of horse, history, physical examination findings, treatment and outcome were determined from the hospital records of 51horses in which a diagnosis of peritonitis attributed to A equuli was madebetween January 1993 and June 1999. Results of abdominal fluid cytology and bacteriology, antimicrobial sensitivity patterns, haematology and faecal egg counts, when performed, were also retrieved. Results There was a variety of breeds of horses affected. There were 35 male and 17 female horses, aged from 9 months to 22 years, presented. Lethargy, signs of depression with mild to moderate signs of abdominalpain and inappetence were the most common reasons for presentation. Most horses had elevated heart and respiratory rates, an elevated rectal temperature and reduced intestinal borborygmi heard on auscultation of the abdomen. Abnormal colour with an elevated protein were features of an abdominal fluid sample in 98% of horses and a marked elevation in nucleated cell count was present in all samples. Pleomorphic gram-negative rods were seen on cytology in 53% of samples and a positive culture of A equuli was returned in 72% of samples. Other laboratory findings in some horses included mild haemoconcentration, hypoproteinaemia, an elevated circulating nucleated cell count with a left shift, an elevation in fibrinogen concentration and an elevated faecal egg count. All horses demonstrated a rapid response to treatmentwith procaine penicillin alone, or a combination of procaine penicillin and gentamicin sulphate. Where antimicrobial sensitivity tests were performed, all but two isolates were sensitive to procaine penicillin. All horses responded to antimicrobial and supportive therapy and were discharged from hospital. Conclusion Horses with A equuli peritonitis present with similar clinical signs as horses with other causes of abdominal pain. However, these signs, when evaluated in conjunction with the results of abdominal fluid analysis and response to treatment, are characteristic of A equuli peritonitis. Pleomorphic gram-negative bacteria may be seen on a cytological preparation of the abdominal fluid sample, and a positive bacterial culture may be obtained in some, but not all, cases. Most isolates are sensitive to procaine penicillin, so treatment with procaine penicillin and gentamicin sulphate is recommended until antimicrobial sensitivity is known.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 05/04/20 alle ore 19:33:20