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Bone & Joint Research
Vol. 11, Issue 7 | Pages 503 - 512
25 Jul 2022
Wu Y Shao Y Xie D Pan J Chen H Yao J Liang J Ke H Cai D Zeng C


To verify whether secretory leucocyte protease inhibitor (SLPI) can promote early tendon-to-bone healing after anterior cruciate ligament (ACL) reconstruction.


In vitro: the mobility of the rat bone mesenchymal stem cells (BMSCs) treated with SLPI was evaluated by scratch assay. Then the expression levels of osteogenic differentiation-related genes were analyzed by real-time quantitative PCR (qPCR) to determine the osteogenic effect of SLPI on BMSCs. In vivo: a rat model of ACL reconstruction was used to verify the effect of SLPI on tendon-to-bone healing. All the animals of the SLPI group and the negative control (NC) group were euthanized for histological evaluation, micro-CT scanning, and biomechanical testing.

The Bone & Joint Journal
Vol. 101-B, Issue 10 | Pages 1209 - 1217
1 Oct 2019
Zeng C Lane NE Englund M Xie D Chen H Zhang Y Wang H Lei G


There is an increasing demand for hip arthroplasty in China. We aimed to describe trends in in-hospital mortality after this procedure in China and to examine the potential risk factors.

Patients and Methods

We included 210 450 patients undergoing primary hip arthroplasty registered in the Hospital Quality Monitoring System in China between 2013 and 2016. In-hospital mortality after hip arthroplasty and its relation to potential risk factors were assessed using multivariable Poisson regression.