Microfracture Augmentation With Direct In Situ Radial Shockwave Stimulation With Appropriate Energy Has Comparable Repair Performance With Tissue Engineering in the Porcine Osteochondral Defect Model

Zhidong Zhao, Ji Li, Xiaowei Bai, Yuxing Wang, Qi Wang, Ningyu Lv, Huayi Gao, Zheng Guo, Heng Zhu, Quanyi Guo & Zhongli Li
Background:The first-line clinical strategy for small cartilage/osteochondral defects is microfracture (MF). However, its repair efficacy needs improvement.Hypothesis:Appropriate energy radial shockwave stimulation in MF holes would greatly improve repair efficacy in the porcine osteochondral defect model, and it may obtain comparable performance with common tissue engineering techniques.Study Design:Controlled laboratory study.Methods:Osteochondral defect models (8-mm diameter, 3-mm depth) were established in the weightbearing area of Bama pigs’ medial femoral condyles. In total, 25 minipigs were randomly divided into...
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