• R Winkel, O Kalbhenn, and R Hoffmann.
• BG-Unfallklinik, Handchirurgie, Plastische Chirurgie, Frankfurt am Main.
• Handchir Mikrochir Plast Chir. 2012 Jun 1;44(3):129-34.

PurposeThis retrospective examination compares the results of finger flexor tendon sutures with 2 strands and 4 strands. It was checked, whether and how 2 more strands influenced the rupture rate, the movement of the finger and the contentment of the patients.Methods And MaterialFrom 1996 to 2000 for the core suture of the flexor tendon of fingers we used 2 strands. 35 patients with 40 tendon sutures of 73 patients were examined. From 2001 to 2005 we used for the core suture 2 loop threads. 53 patients with 64 tendon sutures from a total of 111 patients were examined. At least 12 months had passed between operation and the examination. The rupture rate and the range of movement of each finger joint and the total mobility of the affected fingers were evaluated. Each case was compared to the uninjured opposite hand. The functional result was judged according to the score of Buck-Gramcko. The patient's contentment was recorded by the DASH (disability of arm, shoulder and hand) score. Effects of gender, age, accompanying injuries, zone of the injury and their influence on the results were analysed.ResultsThe Buck-Gramcko score showed in the 2-strand group a distribution from summarised 70% "excellent" and "good" and 30% "fair" and "poor". In the 4-strand-group the relation was 93.7% "excellent" and "good", 6.3% "fair", one "poor". In the 2-strand group 2/40 (5%) of the tendon sutures ruptured, in the 4-strand group 1/64 (1.6%) ruptured. The average DASH value in the 2-strands-group was 16.6/100, in the 4-strands-group 18.1/100 when 0 is the best possible result and 100 the worst. The patient judgement in the 2-strand group was summarised to 70% for "excellent" and "good" and 30% "fair" and "poor". In the 4-strand group the patient's judgment was summarised in 75% "excellent" and "good" and in 25% "fair".ConclusionThe results of flexor tendon sutures with 4-strand core sutures have been superior to the results with 2-strand core suture according to range of motion of the fingers (P <0.005).© Georg Thieme Verlag KG Stuttgart · New York.

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