Tibial plateau levelling osteotomy using a dome‐shaped saw blade for canine cranial cruciate ligament insufficiency. (19th April 2021)

• Record Type: Journal Article
• Authors: Polajnar, Petar; Szanto, Zsigmond; Gruborovic, Sanja; Willmitzer, Florian; Medl, Nikola
• Is Part Of: Veterinary record. Volume 188:Number 10(2021)
• Page Start: no
• Page End: no
• Publication Date: 2021-04-19
• Subjects: Veterinary medicine -- Periodicals; Médecine vétérinaire -- Périodiques; Veterinary medicine; Veterinary Medicine; Periodicals; Periodical; Electronic journals; 636.089
• DOI: 10.1002/vetr.241
• Languages: English
• ISSNs: 0042-4900

Abstract

Abstract : Background: Tibial plateau levelling osteotomy (TPLO) is commonly used to manage cranial cruciate ligament (CrCL) disease. The use of a spherical osteotomy blade (S‐TPLO) enables correction of some tibial deformities with three rotational degrees of freedom. Methods: As a proof of concept, this retrospective study included 45 dogs with CrCL disease that were treated with an S‐TPLO. The tibial plateau angle (TPA) was measured preoperatively, immediately after surgery (pTPA0 ) and on postoperative days 42 (pTPA42 ) and 56 (pTPA56 ). Lameness and osteotomy healing were assessed until 56 days postoperatively. Results: Thirty‐one dogs had complete CrCL ruptures, and 14 dogs had partial ruptures. Thirty‐one dogs had medial meniscal damage. The mean TPA, pTPA0, pTPA42 and pTPA56 were 26.0°, 7.8°, 8.5° and 8.9°, respectively. The TPA from post‐op to follow‐up did not vary significantly (p > 1.365). Minor complications occurred in five dogs. The mean lameness score improved significantly from 3.2 preoperatively to 0.9 on day 56 (p < 0.0001). The mean healing score improved significantly from 1.6 on day 42 to 2.2 on day 56 (p < 0.001). Conclusion: S‐TPLO was successful in treating CrCL disease in stifle joints without tibial deformities, with results comparable to previously reported TPLO outcomes.