Comparison of Perioperative Analgesic Protocols and Evaluation of the Development of a Chronic Neuropathic Pain State in Dogs Undergoing TPLO for Naturally Occurring Cranial Cruciate Ligament Rupture

SummaryObjective: To evaluate the effect of the tibial plateau levelling osteotomy (TPLO) procedure on the patellar tendon angle (PTA) in dogs with naturally occurring cranial cruciate ligament rupture.Study design: Prospective observational clinical study.Animals: Dogs with naturally occurring CrCL rupture that had a TPLO performed (n = 40).Methods: Preoperative tibial plateau angle (TPA) and PTA were measured on radiographic images of affected stifle joints at 90° and standing angle (135°) respectively. The TPA and PTA were measured after TPLO was performed. Regression analysis was performed to evaluate the effect of preoperative TPA and PTA and postoperative TPA on postoperative PTA. Linear regression analysis was performed to evaluate the correlation between postoperative TPA and PTA.Results: The mean (± SD) preoperative TPA and PTA were 26.5 ± 3.8° and 105.7 ± 3.8° respectively. The postoperative TPA and PTA values were 7.6 ± 3.3° and 91.4 ± 5.5°, respectively. Regression analysis showed that higher preoperative PTA and postoperative TPA are associated with a larger difference between the postoperative PTA and 90°. There was a positive correlation between postoperative TPA and PTA.Conclusion: The TPLO procedure alters the PTA to 90° in dogs with cranial cruciate ligament rupture similar to tibial tuberosity advancement (TTA).Clinical significance: The TPLO may provide dynamic stability to the cranial cruciate deficient stifle by altering the TPA relative to the patellar tendon and creating a PTA of 90°. The biomechanical principle and mechanism of action of TPLO may be similar to TTA.

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Prevalence of lymphoplasmacytic synovitis in dogs with naturally occurring cranial cruciate ligament rupture

Journal of the American Veterinary Medical Association ◽

10.2460/javma.235.4.386 ◽

2009 ◽

Vol 235 (4) ◽

pp. 386-390 ◽

Cited By ~ 22

Author(s):

Jay B. Erne ◽

Robert L. Goring ◽

Fidelma A. Kennedy ◽

William C. Schoenborn

Keyword(s):

Cruciate Ligament ◽

Cranial Cruciate Ligament ◽

Naturally Occurring ◽

Ligament Rupture ◽

Cruciate Ligament Rupture ◽

Cranial Cruciate Ligament Rupture

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Effect of Suture Type on Stifle Joint Biomechanics After Extra-Articular Repair of Cranial Cruciate Ligament Transection in the Dog

Veterinary and Comparative Orthopaedics and Traumatology ◽

10.1055/s-0038-1633270 ◽

1991 ◽

Vol 4 (04) ◽

pp. 144-149 ◽

Cited By ~ 4

Author(s):

M. S. Bauer ◽

W. E. Blevins ◽

W. R. Widmer ◽

Jaqueline Davidson ◽

S. W. Aiken ◽

...

Keyword(s):

Cruciate Ligament ◽

Tibial Tuberosity ◽

Cranial Cruciate Ligament ◽

Stifle Joint ◽

Ligament Rupture ◽

Cruciate Ligament Rupture ◽

Before And After ◽

Joint Biomechanics ◽

Cranial Cruciate Ligament Rupture

SummaryThe effect of two suture types, monofilament polybutester and braided polyester, on stifle joint biomechanics after extra-articular repair of cranial cruciate ligament rupture was evaluated by analysis of the instant centre of motion. The instant centres of motion and resulting velocity vectors were determined radiographically on both stifles of eight fresh canine cadavers before and after cranial cruciate ligament transection. After ligament transection, all 16 stifles were repaired with an extra-articular technique utilizing a double strand of suture placed between the lateral fabella and the tibial tuberosity. One stifle on each cadaver was repaired with each suture type. The instant centres of motion and resulting velocity vectors were re-evaluated post repair. All stifles had normal instant centres of motion prior to transection of the cranial cruciate ligament. Neither ligament transection nor extra-articular repair with either suture type resulted in an abnormal change in the instant centre of motion.

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