Fujii Koichi, Watanabe Toshifumi, Kobayashi Takayuki, Hayashi Kei
Fujii Animal Care Center, Yokohama, Japan.
Vet Surg. 2013 Aug;42(6):721-6. doi: 10.1111/j.1532-950X.2013.12041.x.
To develop a surgical technique to elevate the medial trochlear ridge for surgical correction of medial patellar luxation, and to evaluate clinical outcome.
Case series.
Dogs (n = 5) with Grade 3 medial patellar luxation.
An asymmetrical wedge was removed from the trochlear groove, rotated 180°, and placed in the recess to create an elevated medial trochlear ridge. Postoperative radiography, CT scan, and subjective evaluation of clinical outcomes were performed.
Surgical procedure and postoperative recovery were uncomplicated. There was no recurrence of spontaneous luxation and subjectively, gait improved in all dogs. Postoperative radiographs and CT images confirmed the elevated medial trochlear ridge, a significantly increased groove depth/patellar thickness ratio (P < .01), and seating of the patella in the trochlear groove.
Elevating the medial trochlear ridge, instead of deepening the groove, can be considered a viable surgical technique to stabilize luxating patellae.
开发一种用于抬高内侧滑车嵴以手术矫正内侧髌骨脱位的手术技术，并评估临床效果。
病例系列。
患有3级内侧髌骨脱位的犬（n = 5）。
从滑车沟切除一个不对称楔形骨块，旋转180°，并置于凹陷处，以形成抬高的内侧滑车嵴。术后进行X线摄影、CT扫描以及临床效果的主观评估。
手术过程及术后恢复均无并发症。无自发脱位复发，主观上所有犬的步态均有改善。术后X线片和CT图像证实内侧滑车嵴抬高、沟深/髌骨厚度比显著增加（P < 0.01）以及髌骨在滑车沟内的就位情况。
抬高内侧滑车嵴而非加深滑车沟，可被视为稳定脱位髌骨的一种可行手术技术。
