ArticleJournal of orthopaedic surgery and research2025
Comparison of nice knot internal fixation with Kirschner wire external fixation and tension band wiring for Lawrence zone I fractures of the fifth metatarsal base: a retrospective case-control study.
Article in Journal of orthopaedic surgery and research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveTo compare the efficacy of Nice Knot Internal Fixation with Kirschner Wire External Fixation versus conventional Tension Band Wiring for the treatment of Lawrence zone 1 fractures at the base of the fifth metatarsal bone.
methodsThis study employed a retrospective case-control design, which included 37 patients with Lawrence zone I fractures of the fifth metatarsal base, treated surgically at our department from October 2023 to December 2024. Patients were divided into Group TB, receiving tension band wiring with K-wire internal fixation, and Group NK, undergoing Nice knot internal fixation combined with K-wire external fixation. Foot function was assessed using the Manchester-Oxford Foot Questionnaire (MOXFQ-ch) and the American Orthopedic Foot and Ankle Society (AOFAS) midfoot score at 1, 2, and 3 months post-surgery.
resultsGroup NK included 22 patients (11 males, 11 females; mean age: 39.50 years (range: 18-64)). Group TB comprised 15 patients (6 males, 9 females) with a mean age of 42.33 years (range: 20-62). Both groups exhibited a decline in MOXFQ-ch scores and an improvement in AOFAS midfoot scores. the 2-month postoperative follow-up, Group NK exhibited significantly superior outcomes in the pain domain of the AOFAS score compared to Group TB (p < 0.05). However, at 2 months post-surgery, the mean MOXFQ-ch score of Group NK was lower than that of Group TB (16.27 ± 6.95 < 22.19 ± 5.19, P < 0.05).
conclusionThe method combining Nice knot internal fixation with K-wire external fixation is a straightforward and effective approach for treating Lawrence zone I fractures of the fifth metatarsal base, yielding satisfactory clinical results.
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