| Objective:To investigate the short-term efficacy of unicompartmental knee arthroplasty and posterior cruciate ligament-retaining total knee arthroplasty in middle-aged and elderly people with medial compartment osteoarthritis of knee joint in Chengde.Methods:A retrospective study of 67 middle-aged and elderly patients undergoing knee replacement surgery at the Affiliated Hospital of Chengde Medical College from January 2017 to February 2019.Totally 31 patients in group A were treated with unicompartmental knee arthroplasty and 36 patients in group B were treated with posterior cruciate ligament-retaining total knee arthroplasty.All patients signed the informed consent and choosed the surgical procedure.This study was approved by the Hospital Ethics Committee.Intraoperative blood loss,postoperative blood transfusion,postoperative hemoglobin decline,hematocrit and C-reactive protein at postoperative 1 and 3 days,and Forgotten Joint Scores at 1,3,and 6 months and 1 year after surgery were observed and compared between the two groups.Results:1.The perioperative hemoglobin decline,intraoperative blood loss,and blood transfusion rate were significantly lower,and postoperative hospitalization date was significantly shorter in group A than those in group B(P < 0.05).2.There was no significant difference in C-reactive protein between the two groups at 1 and 3 days after operation(P > 0.05).3.The Forgotten Joint Scores in group A were significantly higher than those in group B at 1,3,and 6 months and 1 year after operation(P < 0.01).4.No complications such as lower extremity venous thrombosis,pulmonary embolism and infection occurred in both groups.Conclusion:Unicompartmental knee arthroplasty has the advantages of less intraoperative bleeding,lower transfusion rate,and higher degree of Forgotten Joint Scores for the middle-aged and elderly patients with medial compartment lesions in mountainous areas. |
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