Abstract: Objective To analyze the clinical effect of core decompression combined with allogeneic bone grafting or artificial lamina implantation in the treatment of femoral head necrosis and hip joint preservation.
Methods Eighty patients with femoral head necrosis admitted to our hospital from January 2018 to December 2019 were divided into group A and group B;group A was treated with core decompression combined with allograft,and group B was treated Core decompression combined with artificial lamina implantation;HHS and VAS scoring systems were used to evaluate patients before and after treatment,and the success rate of patients’ treatment was evaluated.The patients were examined by X-ray before treatment and during follow-up,and the imaging changes were evaluated according to Arco staging.
Results After treatment,the HHS score of group A(84.83±2.18) and group B(89.49±2.39) were higher than those of before the treatment of group A(57.11±8.32) and group B(56.38±7.97)(P<0.05).After treatment,the HHS score of group B(89.49±2.39) was significantly higher than that of group A(84.83±2.18)(P<0.05);the VAS score of group A(4.65±1.03)  were significantly higher than those of  before the treatment of group A(6.55±2.18)(P<0.05).After treatment,the VAS score of group B(3.02±0.87) was significantly lower than that of  before the treatment of group B(6.47±1.95)(P<0.05).After treatment,the VAS score of group B(3.02±0.87) was significantly lower than that of group A(P<0.05).The treatment success rate of group B(97.50%) was significantly higher than that of group A(80.00%)(P<0.05).
Conclusion Compared with core decompression combined with allogeneic bone transplantation,core decompression with artificial lamina implantation can more effectively improve hip joint function in patients with femoral head necrosis and improve clinical efficacy.

Key words: core decompression, allogeneic bone transplantation, artificial laminar implantation, femoral head necrosis, hip joint preservation