PMID: 9548112Apr 21, 1998Paper

Winner of the AlbertTrillat Young Investigator Award. The effects of aggressive notchplasty on the normal knee in dogs

The American Journal of Sports Medicine
Robert F LaPradeD J Simmons

Abstract

We assessed the possible association between an aggressive intercondylar notchplasty and histopathologic, radiographic, and gait changes to the knee. Three groups of six adult greyhounds were observed for 6 months. Group I dogs had a sham operation. Group II dogs had a 4-mm notchplasty of the lateral femoral condyle where it articulates with the lateral tibial spine. Group III dogs had a 7- to 8-mm notchplasty of the lateral femoral condyle to simulate the long-term effects of an overly aggressive notchplasty. Force plate gait analyses were not significantly different for any dogs at 3 and 6 months. Histopathologic studies (hematoxylin and eosin and safranin O stains) revealed notchplasty area remodeling with a thin layer of lamellar bone covered by fibrous connective tissue. Both Group II and III dogs had significant loss of lateral femoral condyle and trochlear groove articular surface proteoglycans. The radiographic notch width index remained unchanged throughout the study for Group I; the indexes increased immediately after surgery in Groups II and III because of the notchplasty, but after 6 months these values returned to near-preoperative measurements. An aggressive intercondylar notchplasty caused articular cartilage his...Continue Reading

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Citations

Nov 7, 2019·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Yongtao MaoCarola F van Eck
Jun 4, 2014·The American Journal of Sports Medicine·Hideyuki KogaIchiro Sekiya
Sep 28, 2001·The American Journal of Sports Medicine·P J MillettR F Warren
Apr 27, 2021·Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association·Scott Tashman
Feb 24, 1999·Clinics in Sports Medicine·C H Brown, E W Carson
May 9, 2003·The Orthopedic Clinics of North America·Christina R AllenChristopher D Harner
Mar 31, 2000·Clinics in Sports Medicine·K G Harmon, M L Ireland

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