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Long-Term Outcome of Surgical Treatment for Kienböck's Disease Using an Articular-Based Classification.
Journal of Hand Surgery 2021 January 8
PURPOSE: The aim of this study was to report the outcomes of surgery using the Bain and Begg articular-based classification for the treatment of Kienböck disease.
METHODS: We identified and followed patients who had surgery for Kienböck disease between 1995 and 2014. Assessment included functional scoring using a modification of the Gartland and Werley score, pain levels, and grip strength.
RESULTS: Thirty-one patients were operated on for Kienböck disease between 1995 and 2014. Twenty-seven patients were assessed (12 men and 15 women). Mean age at the index procedure was 45.1 years (range, 20-82 years). Median follow-up after the index procedure was 10 years (range, 2-18 years). On the Bain and Begg classification, 5 patients had grade 0, 4 had grade 1, 5 had grade 2a, 10 had grade 2b, 1 had grade 3, and 1 had grade 4. The median pain visual analog scale improved from a preoperative score of 5 (interquartile range [IQR], 5-6) to a postoperative score of 2 (IQR, 0-3). The median functional scores from the modified Gartland and Werley score improved from 67 (IQR, 57.0-78.5) to 97 (IQR, 90.0-97.0). Eighteen out of 20 working patients returned to the same level of work. There was a significant improvement in power grip and tip pinch following surgery. One patient required a secondary salvage procedure. No patient required a full wrist fusion or arthroplasty.
CONCLUSIONS: This study confirms that the Bain and Begg arthroscopic classification and an articular-based approach to Kienböck disease provide a high probability of good long-term relief of pain and a minimal chance of requiring a salvage procedure.
TYPE OF STUDY/LEVEL OF EVIDENCE: Therapeutic IV.
METHODS: We identified and followed patients who had surgery for Kienböck disease between 1995 and 2014. Assessment included functional scoring using a modification of the Gartland and Werley score, pain levels, and grip strength.
RESULTS: Thirty-one patients were operated on for Kienböck disease between 1995 and 2014. Twenty-seven patients were assessed (12 men and 15 women). Mean age at the index procedure was 45.1 years (range, 20-82 years). Median follow-up after the index procedure was 10 years (range, 2-18 years). On the Bain and Begg classification, 5 patients had grade 0, 4 had grade 1, 5 had grade 2a, 10 had grade 2b, 1 had grade 3, and 1 had grade 4. The median pain visual analog scale improved from a preoperative score of 5 (interquartile range [IQR], 5-6) to a postoperative score of 2 (IQR, 0-3). The median functional scores from the modified Gartland and Werley score improved from 67 (IQR, 57.0-78.5) to 97 (IQR, 90.0-97.0). Eighteen out of 20 working patients returned to the same level of work. There was a significant improvement in power grip and tip pinch following surgery. One patient required a secondary salvage procedure. No patient required a full wrist fusion or arthroplasty.
CONCLUSIONS: This study confirms that the Bain and Begg arthroscopic classification and an articular-based approach to Kienböck disease provide a high probability of good long-term relief of pain and a minimal chance of requiring a salvage procedure.
TYPE OF STUDY/LEVEL OF EVIDENCE: Therapeutic IV.
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