Autogenous bone-guided induced membrane technique in closed/small-sized open high-energy fractures in benign inflammatory environment: a case series,International Orthopaedics

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Autogenous bone-guided induced membrane technique in closed/small-sized open high-energy fractures in benign inflammatory environment: a case series
International Orthopaedics ( IF 2.0 ) Pub Date : 2022-10-05 , DOI: 10.1007/s00264-022-05595-8
Jingxin Pan ₁ , Ying Gao ₂ , Jing Li ₁ , Junjun Fan ₁ , Tao Yang ₃ , Zhenbang Yang ₄ , Jiang Shuang ₄ , Zhuojing Luo ₅ , Zhijun Pan ₃ , Zhi Yuan ₁

Affiliation

Objective

Infection and nonunion are the two most challenging issues for high-energy fractures. This study aimed to explore the clinical effect of benign inflammation-cultivated bone growth activity in the treatment of closed/small-sized open and high-energy fractures.

Methods

This study is a case series of closed/small-sized open and high-energy fractures of the lower limbs treated at our hospital from April 2009 to February 2017. All patients underwent debridement and external fixation in the early stage, followed by internal fixation in the second stage. After the operation, fracture healing was monitored by X-ray, and early-stage knee function training was initiated. Also, bone grafting was performed to stimulate the healing reaction, eliminating the atrophic nonunion factors.

Results

The operation in all 75 cases was carried out after the inflammatory responses completely subsided, leading to secondary wound healing. Bony union appeared in 71 patients who did not suffer from any pain and could stand up and walk without any restriction. Among them, 68 patients could flex their knee > 100°, and three patients had knee flexion ranging from 80 to 100°. No infections occurred after the second operation.

Conclusion

This two-stage treatment for high-energy fractures could avoid the damage caused by excessive inflammatory responses that occurred following early-stage one-time internal fixation. This method protected benign inflammatory-callus reactions induced by the primary injury and utilized the advantages of closed reduction in AO fixation with open reduction, thereby avoiding potential infection and nonunion caused by one-time fixation during the early stage.

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