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Evaluation of Risk Factors for Morbidity and Mortality after Pylorectomy and Gastroduodenostomy in Dogs

Authors

  • JASON EISELE DVM,

    1. Animal Medical Center, New York, NY and University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA
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  • JANET KOVAK McCLARAN DVM, Diplomate ACVS,

    1. Animal Medical Center, New York, NY and University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA
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  • JEFFREY J. RUNGE DVM,

    1. Animal Medical Center, New York, NY and University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA
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  • DAVID E. HOLT BVSc, Diplomate ACVS,

    1. Animal Medical Center, New York, NY and University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA
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  • WILLIAM T. CULP VMD, Diplomate ACVS,

    1. Animal Medical Center, New York, NY and University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA
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  • SERENA LIU DVM, MS, Diplomate ACVP,

    1. Animal Medical Center, New York, NY and University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA
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  • FENELLA LONG BVSc, Dip. ACVP,

    1. Animal Medical Center, New York, NY and University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA
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  • PHILIP J. BERGMAN DVM, MS, PhD Diplomate ACVIM (Oncology)

    1. Animal Medical Center, New York, NY and University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA
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  • Presented in part at the 2008 ACVS Symposium Resident's Forum, San Diego, CA October 2008.

Corresponding author: Jason Eisele DVM, PetPB, The Animal Emergency and Referral Center, 2246 North Congress Ave., Boynton Beach, FL 33426. E-mail: J.eisele@petpb.com.

Abstract

Objectives— To (1) identify and describe the type and frequency of postoperative complications after pylorectomy and gastroduodenostomy in dogs and (2) identify preoperative and intraoperative risk factors, including the presence of neoplasia, prognostic for patient mortality after surgery.

Study Design— Case series.

Animals— Dogs (n=24) treated by pylorectomy and gastroduodenostomy.

Methods— Medical records (2000–2007) for 2 teaching hospitals of dogs treated that had pylorectomy and gastroduodenostomy were reviewed. Pre-, intra-, and postoperative data were obtained from the medical record.

Results— Of the 24 dogs, 75% survived 14 days, but 10 (41%) died by 3 months. Overall median survival time (MST) was 578 days. On log-rank univariate analysis, preoperative weight loss (P=.001) and malignant neoplasia (P=.01) were associated with decreased survival time. Dogs with malignant neoplasia had a MST of 33 days. Common postoperative morbidity included hypoalbuminemia (62.5%) and anemia (58.3%).

Conclusions— Pylorectomy with gastroduodenostomy has a good short-term outcome but long-term survival time is poor in dogs with malignant neoplasia.

Clinical Relevance— Overall, most dogs treated with pylorectomy and gastroduodenostomy survived the postoperative period; however, preoperative weight loss and malignant neoplasia were associated with decreased survival time. Because dogs with malignant neoplasia have markedly shortened survival times, pertinent preoperative, diagnostics steps should be exhausted to identify underlying neoplasia.

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