Surgical treatment of the Kienbck's disease

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Journal of the Korean Society for Surgery of the Hand 1999;4(2):186-192.
Published online January 1, 1999.

Soo Bong Hahn,Eung Shick Kang,Ho Jung Kang,Sang Jin Shin,Doo Hwan Kim

Kienbck 질환의 수술적 치료

한수봉,강응식,강호정,신상진,김두환

Abstract

The natural progression of lunate osteonecrosis is one of loss of vascularity, fragmentation, and later collapse with subsequent loss of carpal integrity. In the treatment of the Kienb ck's disease, reported that surgical treatment has been more effective than the conservative treatment, such as cast immobilization which cannot prevent the progress of the disease even if its initial stage. The ultimate goal of treatment is mechanical decompression and revascularization of the lunate. Many therapeutic guidelines were researched by several authors to the different stages, but not established absolute guideline yet. We have treated a total of 13 cases of Kienb ck's disease, their symptom duration was 40 months in average. All cases were followed for 39months in average. According to the Lichtman's classification, stage II in 3 cases, stage IIIa in 6 cases, stage IIIb in 4 cases were defined radiologically. The ulnar variance were negative in 8 cases, neutral in 4 cases, positive in a case. Operative treatments were performed with scaphoido-capitate fusion in 2 cases, triscaphe fusion in 8 cases, radial shortening in 3 cases, from Mar. 1991 to Dec. 1998. Their end results were analyzed with subjective pain, objective wrist motions clinically which based on Lichtman's criteria and with carpal height radiologically. Ten cases were satisfied and another 3 cases were unsatisfied according to the Lichtman's criteria. The pain was relieved in all cases but the range of motion was decreased mederately after scaphoidocapitate fusion. The carpal index was not changed from 0.50 preoperatively to 0.50 postoperatively in average in all cases. There were were a superficial wound infection and a paresthesia of the operative sites as postoperative complications.

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