Is Fixation With K-Wire Sufficient In Distal Radioulnar Joint Instability Accompanying The Distal Radius Fracture?

A. Şahin, Ş. Çepni
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Abstract

Introduction: Distal radius fractures are the most common fractures of the upper extremity. Recently, the tendency towards surgical treatment has increased in distal radius fractures. Distal radioulnar joint instability is thought to negatively affect the results of distal radius fracture. Our aim in this study is to compare the patients with and without distal radioulnar joint instability, who were operated with the diagnosis of distal radius fracture, clinically and radiologically. Materials and methods: 31 patients who were operated with the diagnosis of distal radius fracture and whose fracture union was completed were included in the study. Patients with an isolated distal radius fracture (19 individuals) were called group 1, while patients with a distal radioulnar joint instability accompanying the distal radius fracture (12 individuals) were called group 2. The groups were compared functionally with DASH and MAYO scores in terms of pain and radiologically with VAS score in terms of radial length, radial slope and volar slope. Joint range of motion was also measured with a standard goniometer and compared between the groups. Results: In the group with isolated distal radius fractures, 11 (57.9%) patients were male and 8 (42.1%) were female. The mean length of follow-up was 22.5 months. In the group with distal radius fractures and accompanying distal radioulnar joint instability, 9 (75.0%) patients were male and 3 (25.0%) were female. The mean length of follow-up in this group was 27.08 months. There was no difference between MAYO, DASH and VAS scores between the groups (p>0.05). The mean radial length was 9.95 ± 1.96 (6; 14) in group 1 and 10.67 ± 2.71 (4; 15) in group 2. The mean radial slope was 19.53 ± 2.78 (14; 26) in group 1 and 18.92 ± 3.6 (11; 26) in group 2. The mean volar slope was 8.32 ± 3.59 in group 1 and 6.92 ± 4.81 (-2; 14) in group 2. It was understood that there was no significant difference between the groups (p>0.05). While the mean supination angle was 80.53 ± 6.64 (60; 90) in group 1, it was 85.42 ± 5.42 (75; 90) in group 2, and it was found to be significantly higher in group 2 (p<0.05). The mean pronation angle was significantly lower in group 2 (p<0.05). Conclusions: DRUJ instability after a distal radius fracture is an important factor affecting the functional outcome. Providing distal radioulnar joint stability is important in this sense. In our study, immobilization treatment in full supination and percutaneous transfection with radioulnar K-wire for 4-6 weeks in patients with distal radioulnar joint instability is associated with good functional outcomes
对于桡骨远端骨折伴远端尺桡关节不稳定,k针固定是否足够?
桡骨远端骨折是上肢最常见的骨折。最近,手术治疗桡骨远端骨折的趋势有所增加。远端尺桡关节不稳定被认为对桡骨远端骨折的结果有负面影响。我们在这项研究中的目的是比较有和没有远端尺桡关节不稳的患者,他们在临床上和影像学上诊断为桡骨远端骨折。材料与方法:选取31例经手术诊断为桡骨远端骨折且骨折愈合的患者作为研究对象。孤立性桡骨远端骨折患者(19例)称为1组,桡骨远端尺桡关节不稳伴桡骨远端骨折患者(12例)称为2组。两组在功能上比较疼痛的DASH和MAYO评分,放射学上比较桡骨长度、桡骨斜率和掌侧斜率的VAS评分。用标准测角仪测量关节活动范围,并在两组之间进行比较。结果:孤立性桡骨远端骨折组中,男性11例(57.9%),女性8例(42.1%)。平均随访时间为22.5个月。桡骨远端骨折伴尺桡远端关节不稳组中,男性9例(75.0%),女性3例(25.0%)。本组平均随访时间为27.08个月。MAYO、DASH、VAS评分组间比较差异无统计学意义(p>0.05)。平均桡骨长度为9.95±1.96 (6;1组14例,10.67±2.71例(4;15)在第二组。平均径向斜率为19.53±2.78 (14;1组为18.92±3.6 (11;26)在第二组。1组平均掌侧倾角为8.32±3.59,组平均掌侧倾角为6.92±4.81 (-2;14)在第二组。据了解,各组间无显著差异(p>0.05)。平均旋后角度为80.53±6.64 (60;90),组1为85.42±5.42 (75;90),组2显著高于组2 (p<0.05)。2组平均旋前角显著低于对照组(p<0.05)。结论:桡骨远端骨折后DRUJ不稳定是影响功能预后的重要因素。在这个意义上,提供远端尺桡关节的稳定性是重要的。在我们的研究中,对尺桡关节不稳定的患者进行完全旋后固定治疗和经皮尺桡k针转染4-6周与良好的功能预后相关
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