Complications and outcomes of cats with coxofemoral luxation treated with hip toggle stabilization using ultrahigh–molecular‐weight‐polyethylene or nylon (2009‐2018): 48 cats

Objective To report overall rate and type of complications and outcomes of cats with coxofemoral luxation managed with hip toggle stabilization (HTS), to compare rate of postoperative complications and outcomes of cats treated with ultrahigh–molecular‐weight‐polyethylene (UHMWPE) or nylon, and to id...

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Bibliographic Details
Published in:	Veterinary surgery Vol. 50; no. 5; pp. 1042 - 1053
Main Authors:	Espinel Rupérez, Jorge, Arthurs, Gareth I., Hewit, Andrew, Langley‐Hobbs, Sorrel, Trostel, C. Todd, Phillips, Andrew S. J., Keeley, Ben, Maritato, Karl C., Jones, Stephen C., Franklin, Phil H., Whitelock, Richard, Fernández Pérez, Cristina, Mullins, Ronan A.
Format:	Journal Article
Language:	English
Published:	Hoboken, USA John Wiley & Sons, Inc 01-07-2021 Blackwell Publishing Ltd
Subjects:	Complications Hip Medical records Nylon Orthopedics Polyethylene Population studies Risk analysis Risk factors Stabilization Ultra high molecular weight polyethylene Weight
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Summary:	Objective To report overall rate and type of complications and outcomes of cats with coxofemoral luxation managed with hip toggle stabilization (HTS), to compare rate of postoperative complications and outcomes of cats treated with ultrahigh–molecular‐weight‐polyethylene (UHMWPE) or nylon, and to identify risk factors for reluxation and non‐excellent outcomes. Study design Multi‐institutional retrospective cohort study. Sample population Forty‐eight client‐owned cats. Methods Medical records of cats that underwent HTS from 2008‐2018 using UHMWPE or nylon were reviewed. Univariable and multivariable logistic regression was performed to assess for factors associated with reluxation and non‐excellent outcome. Final outcome was obtained from owner questionnaire. Results Intraoperative and postoperative complications were recorded in two (4.2%) and 11 (24.4%) cats, respectively. The most common postoperative complication was reluxation (n = 5 [11.1%]). Outcome was classified as excellent in 81.1% and good in 16.2% of cats after a median of 445.5 days (range, 53‐3720). No difference in rate of complications or outcomes was identified between UHMWPE and nylon. Performance of additional orthopedic procedures, occurrence of intraoperative complications, and non‐performance of capsulorrhaphy were associated with reluxation. Performance of additional non‐hip procedures (orthopedic/nonorthopedic) was associated with non‐excellent outcome. Conclusion Hip toggle stabilization was associated with a low rate of intraoperative complications and reluxation and excellent long‐term outcomes in most cats. No difference in rate of postoperative complications or outcomes of cats treated using UHMWPE or nylon was identified. Cats that underwent additional orthopedic procedures had greater risk of reluxation. Clinical significance Hip toggle stabilization is an effective technique for management of coxofemoral luxation in cats. Comparable results are expected using UHMWPE or nylon.
Bibliography:	Preliminary results of this study were presented at 2019 ACVS Surgery Summit October 17‐19, Las Vegas, Nevada. This study represents part of a thesis submitted by Dr. Espinel Rupérez to the University College Dublin in partial fulfillment of a Doctorate of Veterinary Medical Specialization. ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0161-3499 1532-950X
DOI:	10.1111/vsu.13595