腕关节融合钢板内固定21例:生物相容性及功能评估

Wrist arthrodeses with wrist fusion plate in 21 cases: Biocompatibility and function evaluation

选择2000-07/2007-07在湖北省商业职工医院骨科采用腕关节融合钢板内固定材料置入治疗创伤性腕关节炎的25例患者，21例获得随访，随访时间〉6个月。12例掌指关节轻微背伸功能障碍，多发生在拇、示及中指，无掌指关节活动受限；10例患者出现轻微拇指指间关节主动背伸功能障碍；4例患者出现前臂旋转功能受限，旋转时下尺桡关节或腕关节尺侧疼痛。21例患者中12例完全无疼痛，5例在重体力劳动后感腕关节疼痛，能忍受，4例在日常生活或者前臂旋转时出现疼痛，影响工作。15例患者握力达到对侧75%以上；5例握力为对侧50%-75%；1例握力在50%以下。结果提示以钢板置入融合腕关节后疼痛明显减轻，但术后腕关节可有部分功能丧失，钢板材料与人体生物相容性较好，无特殊不良反应发生。

Twenty-five patients with traumatic carpitis treated by wrist fusion plate internal fixation in Department of Orthopedics, Commercial Staff Hospital of Wuhan from July 2000 to July 2007 were selected, of which 21 were followed up for more than 6 months. Twelve cases had slight dorsal extension dysfunction of thumb, forefinger and middle finger; 10 had slight initiative dorsal extension dysfunction of thumb interphalangeal articulation; 4 had forearm rotation dysfunction, such as distal radioulnar joint or ulnaris pain. Of 21 followed-up patients, 12 cases had no pain, 5 had bearable wrist pain after intensive physical labor, and 4 had pain in daily life of forearm rotation, which affected their working. Grip strength of 15 cases restored to 75% of the operate side, 5 cases to 50%-75%, and 1 case to 50%. The results suggest that plate implantation relieve joint pain, but partial wrist function is limited. The plate materials are biocompatible to human body with no specific adverse effects.