Objective To investigate the early effect of arthroscopic Wafer in the treatment of wrist Ulnar Impaction Syndrome(UIS).Methods A retrospective analysis was performed on 20 UIS patients with positive ulnar variance(UV)≤4 mm admitted to Suining Central Hospital from August 2019 to September 2022.All patients were treated with arthroscopic Wafer surgery and standard rehabili-tation exercise after surgery.There were 9 males and 11 females,ranging in age from 18 to 76 years old.The course of disease ranged from 6 to 24 months.Preoperative ulnar impingement test,ulnar pressure test and Press test were positive.Preoperative carpal flexion,dorsalis extension,ulnar deviation and radial deviation were(54.2±3.8)°,(61.1±4.3)°,(15.8±4.6)°,(13.0±2.7)°,respectively.Pain vi-sual analog scale(VAS),Mayo wrist score,DASH score,grip strength,UV degree were(6.2±1.1)points,(53.5±9.1)points,(45.9±5.8)points,(60.5±9.3)N,(3.5±1.5)mm,respectively.Results All the patients' incisions healed in stage Ⅰ,and no complications such as wrist stiffness and infection occurred.All patients were followed up for 12 to 24 months.At the last follow-up,carpal flexion and dorsi-flexion were(54.7±4.1)° and(61.7±4.6)°,respectively,and there was no significant difference compared with the preoperative results(P>0.05);Ulnar deviation and radial deviation were(34.4±5.3)° and(15.6±3.5)°,respectively,and the differences were statistically significant compared with those before surgery(P<0.05);VAS,Mayo wrist score,DASH score,grip strength and UI were(1.6±0.6)points,(81.0±8.3)points,(15.7±4.2)points,(80.8±8.7)N,(0.8±0.8)mm,respectively.The above indexes were statistically significant compared with those before surgery(P<0.05).Conclusion The treatment of UIS patients with UV(≤4 mm)with Wafer surgery under arthroscopy has definite efficacy,can effectively relieve pain and improve wrist joint function,and is worthy of clinical application and promotion.
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