Comparison of four chondral repair techniques in the hip joint: a biomechanical study using a physiological human cadaveric model

Osteoarthritis and Cartilage
A J Cassar-GheitiK J Mulhall

Abstract

The objective of this study was to assess the biomechanical stability of three types of chondral flap repair techniques as well as a hydrogel scaffold implantation on the acetabular articular surface using a physiological human cadaveric model. Chondral flaps were created in the antero-superior zone of the acetabulum in a series of human cadaveric hip joints. The chondral flap was repaired by fibrin glue, cyanoacrylate, suture technique and an agarose hydrogel scaffold sealed with fibrin glue using six hips in each case. After each repair, the specimens were mounted in a validated jig and tested for 1500 gait cycles. In order to determine the stability of the repair, specimens were evaluated arthroscopically at specific intervals. The fibrin glue and cyanoacrylate techniques were technically the easiest to perform arthroscopically, all flaps repaired with fibrin were detached at 50 cycles while those repaired with cyanoacrylate lasted for an average of 635 cycles. On the other hand, both the suture repair and scaffold implantation techniques were more technically challenging but were both stable till the endpoint of 1500 cycles. Fibrin glue on its own does not provide sufficient fixation to repair chondral flaps on the acetabul...Continue Reading

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Citations

Jul 6, 2018·Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy·Pascal C HaefeliLorenz Büchler
Oct 13, 2017·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·M DrobnicG Filardo
May 10, 2019·Journal of Hip Preservation Surgery·Alison A DallichEyal Amar
Sep 11, 2020·International Orthopaedics·Mario HevesiAaron J Krych
Nov 10, 2020·Journal of Hip Preservation Surgery·Kian BagheriAmir A Jamali
Sep 11, 2021·Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association·Jacques HernigouPhilippe Hernigou

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