Outcomes of intramedullary screw fixation in pediatric proximal phalanx fractures: A prospective case series.

Ömer Ayık, Serkan Bayram, Uğur Kayık, Murat Taşkın
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Abstract

Background: This prospective case series aimed to evaluate the short- to medium-term radiological and clinical outcomes of intramedullary screw (IMS) fixation in pediatric patients with extra-articular proximal phalanx fractures.

Methods: Eleven patients (eight boys and three girls) aged 5-15 years underwent IMS fixation between January 2020 and June 2022. Antegrade or retrograde techniques were used depending on the fracture location. Postoperatively, patients were immobilized with finger splints for 3-5 days, followed by home exercises and physiotherapy. Bone union and functional status were assessed at one and four weeks after rehabilitation. Patient satisfaction, union status, and finger range of motion were also evaluated. Satisfaction outcomes were categorized as excellent, good, fair, or poor.

Results: The mean patient age was 9.4 years (range: 5-15), and the mean follow-up period was 29.1 months (range: 24-36). The right hand was affected in eight cases, the left hand in three cases, and the dominant hand in eight cases. Fracture distribution included four neck, four shaft, and three base fractures. The mechanisms of injury included ball-related trauma (n=5), falls (n=3), crush injuries (n=2), and punching (n=1). The average time from injury to presentation was 2.5 days (range: 0-9). Seven patients underwent surgery using the retrograde fixation technique, while four patients underwent surgery using the antegrade fixation technique. Fracture union was observed within the first month in nine patients and was complete by the end of the second month in two patients. At the last follow-up, the range of motion of the metacarpophalangeal, proximal interphalangeal, and distal interphalangeal joints of the operated finger was assessed. Deficits of 1.8 (range: 0-10), 2.7 (range: 0-10), and 0.9 (range: 0-10) were observed when compared to the contra-lateral side, respectively. Ten patients demonstrated excellent outcomes, while one patient exhibited a good outcome.

Conclusion: The intramedullary screw technique offers significant advantages in the surgical management of pediatric proximal phalanx fractures, particularly in rural areas with low socioeconomic status. This approach eliminates the need for pin-bottom fixation with a K-wire, significantly reduces hospitalization and additional treatment requirements, and minimizes the adverse impact of familial factors on the therapeutic process.

髓内螺钉固定治疗儿童近端指骨骨折的结果:前瞻性病例系列。
背景:本前瞻性病例系列旨在评估髓内螺钉(IMS)固定治疗小儿关节外近端指骨骨折的中短期放射学和临床结果。方法:11名5-15岁的患者(8名男孩和3名女孩)在2020年1月至2022年6月期间接受了IMS固定。根据骨折位置采用顺行或逆行技术。术后,患者用手指夹板固定3-5天,然后进行家庭锻炼和物理治疗。康复后1周和4周评估骨愈合和功能状态。患者满意度、愈合状况和手指活动范围也进行了评估。满意度结果分为极好、良好、一般和差。结果:患者平均年龄9.4岁(范围5-15岁),平均随访时间29.1个月(范围24-36个月)。右手8例,左手3例,优势手8例。骨折分布包括4个颈骨折、4个轴骨折和3个基底骨折。损伤机制包括球相关创伤(n=5)、跌倒(n=3)、挤压伤(n=2)和拳击(n=1)。从受伤到出现的平均时间为2.5天(范围:0-9)。7例患者采用逆行固定技术,4例患者采用顺行固定技术。9例患者在第一个月内观察到骨折愈合,2例患者在第二个月底完成骨折愈合。最后一次随访时,评估手术手指掌指关节、近端指间关节和远端指间关节的活动范围。与对侧相比,分别观察到1.8(范围:0-10)、2.7(范围:0-10)和0.9(范围:0-10)的缺损。10例患者表现出良好的结果,1例患者表现出良好的结果。结论:髓内螺钉技术在小儿近端指骨骨折的手术治疗中具有明显的优势,特别是在社会经济地位较低的农村地区。该方法无需使用k -丝针进行针底固定,显著减少住院治疗和额外治疗需求,并将家族因素对治疗过程的不利影响降至最低。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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