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TRAPEZIECTOMY WITH LIGAMENT RECONSTRUCTION TENDON INTERPOSITION FOR CARPO-METACARPAL ARTHRITIS OF THUMB: RESULTS OF A SINGLE SURGEON SERIES IN DISTRICT GENERAL HOSPITAL



Abstract

Purpose: To present results of a series of patients treated with Trapeziectomy, Ligament Reconstruction and Tendon Interposition for treatment of 1st CMC joint arthritis.

Methods: 59 patients (65 thumbs) from Single surgeons’ practice were prospectively followed by 2 independent observers who did not participate in the study. Patient demographics, occupation, handedness, symptoms and clinical findings were recorded. Objective assessment including pinch and grip strength was carried out by the Occupational therapists. Functional outcome assessment was done using questionnaire designed by senior author. Patients were asked to evaluate the operation using the subjective assessment component of Buck-Gramcko score. Radiographs were studied for Trapezial space and arthroplasty space. Analysis was carried out using SPSS statistical software.

Results: A total of 59 patients at an average age of 62 years were followed up for an average of 25 months. Six patients had bilateral procedures. Average follow up was 3.5 years with minimum follow up being 3 years. Osteoarthritis was the commonest diagnosis accounting for 53 (91%) patients and rheumatoid arthritis in 6 (9%) of patients. 48 cases (82%) were Stage IV and 15 cases (18%) Stage V. Mean duration of symptomsbefore the surgical intervention was 36 months. 3 patients developed superficial wound infection and 4 patients developed reflex sympathetic dystrophy. The results suggested pinch strength and grip strength improved to 50% and 22.5% respectively, as compared to pre-operative value.

Conclusion: Treatment options for 1st CMC joint arthritis have evolved over time. Many prospective randomized studies have shown lack of advantage of LRTI as compared to trapeziectomy alone, but these studies are not free from limitations. The present study is one of the largest reported single surgeon series and benefits from aprospectively maintained database with minimum 3 years follow up. The study rises above the existing limitations in the literature and reinforces concept of Ligament Reconstruction and Tendon Interposition.

Level of Evidence: Level II (Prospective study)

Correspondence should be addressed to: EFORT Central Office, Technoparkstrasse 1, CH – 8005 Zürich, Switzerland. Email: office@efort.org