Reevaluation of the Effect of Phenylephrine on Resolution of Nephrosplenic Entrapment by the Rolling Procedure in 87 Horses

Objective To evaluate the outcome in horses treated with a rolling technique or surgically for nephrosplenic entrapment of the large colon (NSE) and to examine the benefit of phenylephrine (PE) HCl on the efficacy of nonsurgical (rolling) management of NSE. Study Design Case series. Animals Horses (...

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Bibliographic Details
Published in:Veterinary surgery 2011-10, Vol.40 (7), p.825-829
Main Authors: Baker, William True, Frederick, Jeremy, Giguere, Steve, Lynch, Timothy M., Lehmkuhl, Heather D., Slone, Donnie E.
Format: Article
Language:English
Subjects:
Animals
Colonic Diseases - drug therapy
Colonic Diseases - surgery
Colonic Diseases - veterinary
Digestive System Surgical Procedures - veterinary
Horse Diseases
Horses
Phenylephrine
Surgical outcomes
Veterinary medicine
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Summary:Objective To evaluate the outcome in horses treated with a rolling technique or surgically for nephrosplenic entrapment of the large colon (NSE) and to examine the benefit of phenylephrine (PE) HCl on the efficacy of nonsurgical (rolling) management of NSE. Study Design Case series. Animals Horses (n = 211) diagnosed with NSE by rectal palpation with or without ultrasonography, or at the time of exploratory celiotomy or necropsy. Methods Medical records (January 1, 2001–September 1, 2008) were collected from horses diagnosed with NSE at 2 referral centers. Records were used to obtain signalment, physical exam findings, laboratory results, ultrasonographic findings, the use of PE HCl, the specific treatment used, and outcome. Rectal findings indicative of NSE were: (1) palpation of large colon within the nephrosplenic space or (2) palpation of colonic bands coursing dorsally toward the nephrosplenic space in association with ultrasonographic findings suggestive of NSE. Results Rolling was successful in 50 of 87 (58%) horses, 85 horses (98%) survived to discharge. Horses (n = 155) that were treated surgically (42 of which had previously undergone the rolling procedure) had a 94% short‐term survival rate. Premedication with PE resulted in no significant difference (P = .91) in resolution of NSE by rolling. Conclusions Resolution of NSE by rolling was not significantly affected by premedication with PE in the population studied.
ISSN:0161-3499
1532-950X
DOI:10.1111/j.1532-950X.2011.00879.x