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Accuracy of Wrist MRI in Detecting Synovitis and Correlation with Arthroscopy 腕关节磁共振成像检测滑膜炎的准确性及与关节镜检查的相关性
IF 0.7 Pub Date : 2024-02-20 DOI: 10.1055/s-0044-1779742
Bilal Mahmood, Keith Diamond, Omri B Ayalon, N. Paksima, Steven Glickel
Hypothesis Wrist magnetic resonance imaging (MRI) has shown excellent diagnostic accuracy in evaluating soft-tissue pathology of the wrist including ganglion cysts, ligament tears, and triangular fibrocartilage complex (TFCC) pathology. However, it is unclear how often MRI detects synovitis that is subsequently encountered during wrist arthroscopy and may be a source of pain for patients with symptoms unresponsive to conservative treatment. The aim of this study is to assess the diagnostic accuracy of conventional MRI in the detection of wrist synovitis observed intraoperatively with wrist arthroscopy. Materials and Methods A retrospective chart review was performed on 51 patients who underwent arthroscopy for chronic wrist pain and MRI confirmed wrist pathology that did not resolve with nonoperative treatment. Wrist arthroscopy was performed by three fellowship-trained hand surgeons. While the primary pathology like TFCC or scapholunate ligament tear was identified and treated arthroscopically, it was noted that many of the patients had concomitant synovitis observed arthroscopically that was not identified preoperatively on MRI. Therefore, the diagnosis of wrist synovitis on MRI scan was compared with the observed presence of synovitis at the time of wrist arthroscopy. Results of preoperative MRI without contrast were categorized as true positive, false positive, true negative, and false negative, based upon intraoperative arthroscopic findings. Results In total, 45/51 patients were confirmed to have dorsal and ulnar synovitis on wrist arthroscopy. MRI identified 16/51 patients as having synovitis. Of those 16 patients, 2 were false positives. Conclusion The results demonstrate that conventional MRI without contrast has poor diagnostic accuracy in detecting wrist synovitis. Patients with ligament or chondral pathology or no clearly identifiable pathology on MRI whose clinical symptoms persist despite conservative treatment may have underlying dorsal and ulnar wrist synovitis that is not detected on MRI. Wrist arthroscopy facilitates the identification and treatment of synovitis in patients with concomitant wrist pathology and pain refractory to nonoperative treatment. This study suggests that MRI may have a low sensitivity for identifying wrist synovitis when compared with wrist arthroscopy during the evaluation of patients presenting with wrist pain.
假设 腕部磁共振成像(MRI)在评估腕部软组织病变(包括神经节囊肿、韧带撕裂和三角纤维软骨复合体(TFCC)病变)方面显示出极佳的诊断准确性。然而,目前还不清楚核磁共振成像检测出滑膜炎的频率,这种滑膜炎随后会在腕关节镜检查中出现,并可能成为对保守治疗无反应的患者的疼痛来源。本研究旨在评估常规磁共振成像在检测腕关节镜术中观察到的腕关节滑膜炎方面的诊断准确性。材料和方法 对 51 例因慢性腕痛接受关节镜检查,且 MRI 证实腕部病变经非手术治疗无效的患者进行了回顾性病历审查。腕关节镜手术由三位接受过研究培训的手外科医生进行。虽然在关节镜下发现并治疗了 TFCC 或肩胛韧带撕裂等原发病变,但我们注意到许多患者在关节镜下观察到了术前在核磁共振成像上未发现的并发滑膜炎。因此,将核磁共振成像扫描诊断出的腕关节滑膜炎与腕关节镜检查时观察到的滑膜炎进行了比较。根据术中关节镜检查结果,将术前无对比剂磁共振成像结果分为真阳性、假阳性、真阴性和假阴性。结果 共有45/51名患者在腕关节镜检查中被证实患有背侧和尺侧滑膜炎。核磁共振成像确定 16/51 例患者患有滑膜炎。在这 16 例患者中,有 2 例为假阳性。结论 研究结果表明,不使用造影剂的传统磁共振成像在检测腕关节滑膜炎方面的诊断准确性较差。韧带或软骨病变或磁共振成像无法明确识别病变的患者,尽管接受了保守治疗,但临床症状仍持续存在,其潜在的背侧和尺侧腕关节滑膜炎可能在磁共振成像中未被检测到。腕关节镜检查有助于识别和治疗伴有腕部病变和非手术治疗难治性疼痛的患者的滑膜炎。这项研究表明,在对出现腕部疼痛的患者进行评估时,磁共振成像与腕关节镜检查相比,识别腕部滑膜炎的灵敏度可能较低。
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引用次数: 0
Surgical Treatment of Scaphoid Fractures: Recommendations for Management 肩胛骨骨折的手术治疗:管理建议
IF 0.7 Pub Date : 2024-02-09 DOI: 10.1055/s-0043-1772689
R. Samade, Hisham M. Awan
Background: Several operative treatments exist for scaphoid fractures, varying by approach (e.g., ercutaneous, volar, or dorsal), implant type (e.g., screw or Kirschner wire), and bone raft choice (e.g., none, nonvascularized, or vascularized). Many previous systematic eviews and meta-analyses have investigated outcomes following different surgicalÚpproaches, the use of vascularized versus nonvascularized bone graft for scaphoidßracture nonunions, and treatment for specific fracture patterns. However, given the advancements n scaphoid fracture treatment in recent years, there is a need for updated treatment recommendations hat would be beneficial to hand surgeons. Purpose: We present a comprehensive review of the operative treatment of scaphoid fractures based on recent literature and propose a unified treatment algorithm for managing these fractures. Methods: The English-language literature was searched from 2002 to 2023 for high evidence level (e.g., randomized trials), review, and meta-analysis articles with the following search terms: “scaphoid, ”u8220“scaphoid” AND “nonunion, ” and “scaphoid” AND “malunion. ” Each article was creened by the authors to determine the scaphoid fracture scenario addressed and ubsequent treatment recommendations. The findings from article reviews were then rganized by scaphoid fracture types in this manuscript. Results: A total of 95 pertinent articles were ultimately selected and used as the basis for reviewing different scaphoid fracture scenarios. A treatment algorithm was then proposed based on literature review. Conclusion: This summary of the recent literature can guide hand surgeons in addressing scaphoidßractures. Future research in scaphoid fracture treatment, particularly for nonunions, would be most beneficial n the form of systematic review, meta-analysis, or multicenter prospective randomized clinical trials. Level of Evidence: IV
背景:肩胛骨骨折有多种手术治疗方法,手术方式(如经皮、外侧或背侧)、植入物类型(如螺钉或 Kirschner 线)和骨筏选择(如无、无血管或有血管)各不相同。以前的许多系统综述和荟萃分析研究了不同手术方法的治疗效果、使用血管化与非血管化骨移植治疗肩胛骨骨折不连合以及特定骨折模式的治疗方法。然而,鉴于近年来肩胛骨骨折治疗的进步,有必要更新治疗建议,这将对手外科医生有益。目的:我们根据最新文献对肩胛骨骨折的手术治疗进行了全面回顾,并提出了处理这些骨折的统一治疗算法。方法:使用以下检索词检索 2002 年至 2023 年期间的英文文献,包括高证据级别(如随机试验)、综述和荟萃分析文章:"肩胛骨"、"u8220 "肩胛骨 "和 "不愈合"、"肩胛骨 "和 "愈合不良"。"作者对每篇文章都进行了分析,以确定所涉及的肩胛骨骨折情况和后续治疗建议。然后,在本手稿中按肩胛骨骨折类型对文章综述的结果进行了整理。结果:最终共筛选出 95 篇相关文章,并以此为基础对不同的肩胛骨骨折情况进行了综述。然后根据文献综述提出了一种治疗算法。结论:对近期文献的总结可指导手外科医生处理肩胛骨骨折。未来在肩胛骨骨折治疗方面的研究,尤其是针对非不连的研究,最好采用系统回顾、荟萃分析或多中心前瞻性随机临床试验的形式。证据等级:四级
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引用次数: 0
Surgical Treatment of Scaphoid Fractures: Recommendations for Management 肩胛骨骨折的手术治疗:管理建议
IF 0.7 Pub Date : 2024-02-09 DOI: 10.1055/s-0043-1772689
R. Samade, Hisham M. Awan
Background: Several operative treatments exist for scaphoid fractures, varying by approach (e.g., ercutaneous, volar, or dorsal), implant type (e.g., screw or Kirschner wire), and bone raft choice (e.g., none, nonvascularized, or vascularized). Many previous systematic eviews and meta-analyses have investigated outcomes following different surgicalÚpproaches, the use of vascularized versus nonvascularized bone graft for scaphoidßracture nonunions, and treatment for specific fracture patterns. However, given the advancements n scaphoid fracture treatment in recent years, there is a need for updated treatment recommendations hat would be beneficial to hand surgeons. Purpose: We present a comprehensive review of the operative treatment of scaphoid fractures based on recent literature and propose a unified treatment algorithm for managing these fractures. Methods: The English-language literature was searched from 2002 to 2023 for high evidence level (e.g., randomized trials), review, and meta-analysis articles with the following search terms: “scaphoid, ”u8220“scaphoid” AND “nonunion, ” and “scaphoid” AND “malunion. ” Each article was creened by the authors to determine the scaphoid fracture scenario addressed and ubsequent treatment recommendations. The findings from article reviews were then rganized by scaphoid fracture types in this manuscript. Results: A total of 95 pertinent articles were ultimately selected and used as the basis for reviewing different scaphoid fracture scenarios. A treatment algorithm was then proposed based on literature review. Conclusion: This summary of the recent literature can guide hand surgeons in addressing scaphoidßractures. Future research in scaphoid fracture treatment, particularly for nonunions, would be most beneficial n the form of systematic review, meta-analysis, or multicenter prospective randomized clinical trials. Level of Evidence: IV
背景:肩胛骨骨折有多种手术治疗方法,手术方式(如经皮、外侧或背侧)、植入物类型(如螺钉或 Kirschner 线)和骨筏选择(如无、无血管或有血管)各不相同。以前的许多系统综述和荟萃分析研究了不同手术方法的治疗效果、使用血管化与非血管化骨移植治疗肩胛骨骨折不连合以及特定骨折模式的治疗方法。然而,鉴于近年来肩胛骨骨折治疗的进步,有必要更新治疗建议,这将对手外科医生有益。目的:我们根据最新文献对肩胛骨骨折的手术治疗进行了全面回顾,并提出了处理这些骨折的统一治疗算法。方法:使用以下检索词检索 2002 年至 2023 年期间的英文文献,包括高证据级别(如随机试验)、综述和荟萃分析文章:"肩胛骨"、"u8220 "肩胛骨 "和 "不愈合"、"肩胛骨 "和 "愈合不良"。"作者对每篇文章都进行了分析,以确定所涉及的肩胛骨骨折情况和后续治疗建议。然后,在本手稿中按肩胛骨骨折类型对文章综述的结果进行了整理。结果:最终共筛选出 95 篇相关文章,并以此为基础对不同的肩胛骨骨折情况进行了综述。然后根据文献综述提出了一种治疗算法。结论:对近期文献的总结可指导手外科医生处理肩胛骨骨折。未来在肩胛骨骨折治疗方面的研究,尤其是针对非不连的研究,最好采用系统回顾、荟萃分析或多中心前瞻性随机临床试验的形式。证据等级:四级
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引用次数: 0
Synovial Chondromatosis of Distal Radioulnar Joint with Osteoarthropathic Changes 桡骨远端关节滑膜软骨瘤病伴有骨关节病变
IF 0.7 Pub Date : 2024-02-06 DOI: 10.1055/s-0044-1779625
Daisuke Nakajima, M. Ikeda, Yuka Kobayashi, I. Saito
Objective Synovial chondromatosis (SC) is relatively rare, but it often occurs in large joints and can cause osteoarthropathic (OA) changes if left untreated. It is extremely rare for this condition to occur around the wrist joint. We present a case treated by osteophyte resection for restriction of the forearm rotation caused by SC and the resulting OA changes in the distal radioulnar joint (DRUJ). Case Description A 50-year-old woman had progressive OA changes due to SC in the DRUJ, and restriction of forearm rotation. Thorough excision of SC and osteophytes through the dorsal and palmar approaches of the wrist improved the range of rotation of the forearm with no recurrence. Literature Review Although there have been scattered reports of SC occurring in the DRUJ, there have been no reports of management for restriction of forearm rotation caused by OA changes. Clinical Relevance For SC in DRUJ, it is important to make an early definitive diagnosis and perform a synovectomy to prevent the progression of OA changes. Osteophyte resection is effective in the treatment of restriction of the joint motion caused by secondary OA changes.
目标 滑膜软骨瘤病(SC)相对罕见,但常发生于大关节,如不及时治疗,可引起骨关节病(OA)改变。这种疾病发生在腕关节周围的情况极为罕见。我们为您介绍一例因 SC 导致前臂旋转受限而采用骨质增生切除术治疗的病例,以及由此引起的桡尺关节远端(DRUJ)OA 病变。病例描述 一位 50 岁的女性因桡尺关节远端骨质增生而出现渐进性 OA 病变,前臂旋转受限。通过腕部背侧和掌侧入路彻底切除 SC 和骨质增生后,前臂的旋转范围有所改善,且未再复发。文献综述 尽管有关于 SC 发生在 DRUJ 的零星报道,但还没有关于如何治疗 OA 病变导致的前臂旋转受限的报道。临床意义 对于发生在 DRUJ 的 SC,早期明确诊断并进行滑膜切除术以防止 OA 病变的发展非常重要。骨质增生切除术可有效治疗继发性 OA 病变引起的关节活动受限。
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引用次数: 0
Synovial Chondromatosis of Distal Radioulnar Joint with Osteoarthropathic Changes 桡骨远端关节滑膜软骨瘤病伴有骨关节病变
IF 0.7 Pub Date : 2024-02-06 DOI: 10.1055/s-0044-1779625
Daisuke Nakajima, M. Ikeda, Yuka Kobayashi, I. Saito
Objective Synovial chondromatosis (SC) is relatively rare, but it often occurs in large joints and can cause osteoarthropathic (OA) changes if left untreated. It is extremely rare for this condition to occur around the wrist joint. We present a case treated by osteophyte resection for restriction of the forearm rotation caused by SC and the resulting OA changes in the distal radioulnar joint (DRUJ). Case Description A 50-year-old woman had progressive OA changes due to SC in the DRUJ, and restriction of forearm rotation. Thorough excision of SC and osteophytes through the dorsal and palmar approaches of the wrist improved the range of rotation of the forearm with no recurrence. Literature Review Although there have been scattered reports of SC occurring in the DRUJ, there have been no reports of management for restriction of forearm rotation caused by OA changes. Clinical Relevance For SC in DRUJ, it is important to make an early definitive diagnosis and perform a synovectomy to prevent the progression of OA changes. Osteophyte resection is effective in the treatment of restriction of the joint motion caused by secondary OA changes.
目标 滑膜软骨瘤病(SC)相对罕见,但常发生于大关节,如不及时治疗,可引起骨关节病(OA)改变。这种疾病发生在腕关节周围的情况极为罕见。我们为您介绍一例因 SC 导致前臂旋转受限而采用骨质增生切除术治疗的病例,以及由此引起的桡尺关节远端(DRUJ)OA 病变。病例描述 一位 50 岁的女性因桡尺关节远端骨质增生而出现渐进性 OA 病变,前臂旋转受限。通过腕部背侧和掌侧入路彻底切除 SC 和骨质增生后,前臂的旋转范围有所改善,且未再复发。文献综述 尽管有关于 SC 发生在 DRUJ 的零星报道,但还没有关于如何治疗 OA 病变导致的前臂旋转受限的报道。临床意义 对于发生在 DRUJ 的 SC,早期明确诊断并进行滑膜切除术以防止 OA 病变的发展非常重要。骨质增生切除术可有效治疗继发性 OA 病变引起的关节活动受限。
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引用次数: 0
Percutaneous Neutralization Screw with Arthroscopic Bone Grafting for Scaphoid Nonunion 经皮中和螺钉与关节镜骨移植治疗肩胛骨骨不连
IF 0.7 Pub Date : 2024-02-02 DOI: 10.1055/s-0044-1779292
B. Sivakumar, Soon Ghee Ang, Nicholas Smith
Background The optimal management of established scaphoid nonunion is undecided. Priorities in this setting include the restoration of normal geometry and elimination of any bony defect, provision of adequate stability to allow early mobilization, and the achievement of union. Technique We describe a technique of arthroscopic assessment and debridement, reduction of deformity and autologous cancellous bone grafting, and stabilization via a specifically designed neutralization screw, to realize the above aims. Patients and Methods Consecutive patients undergoing this technique at a single center in Sydney, Australia, underwent pre- and postoperative assessment. Parameters assessed include a range of motion and patient-reported outcome measures. Results In total, 14 patients (11 males and 3 females with a mean age of 22.4 years) underwent treatment of scaphoid nonunion using this technique, at a mean of 105.9 weeks following index injury. The cohort was followed up radiologically for a mean of 20.7 weeks and clinically for 147.3 weeks. Union was achieved in 13 of 14 patients at a mean of 12.4 weeks. Significant improvements were noted in pain visual analogue scale (VAS), while changes were also noted in range of motion and quick disabilities of arm, shoulder and hand (QuickDASH) score. Conclusion This technique of arthroscopic management of scaphoid nonunion using a neutralization screw and cancellous bone graft is simple, easily reproducible, and confers numerous advantages when compared with other treatment modalities.
背景肩胛骨骨不连的最佳治疗方法尚无定论。在这种情况下,首要任务包括恢复正常的几何形状和消除任何骨缺损,提供足够的稳定性以允许早期活动,以及实现骨结合。技术 我们介绍了一种在关节镜下进行评估和清创、减少畸形和自体松质骨移植,并通过专门设计的中和螺钉进行稳定的技术,以实现上述目标。患者和方法 在澳大利亚悉尼的一个中心接受该技术治疗的连续患者均接受了术前和术后评估。评估参数包括活动范围和患者报告的结果。结果 共有14名患者(11名男性,3名女性,平均年龄22.4岁)接受了该技术治疗肩胛骨骨不连,平均受伤时间为105.9周。对这些患者进行了平均 20.7 周的放射学随访和 147.3 周的临床随访。14 名患者中有 13 名在平均 12.4 周时实现了骨结合。疼痛视觉模拟量表(VAS)显示患者的疼痛明显改善,同时患者的活动范围和手臂、肩部和手部快速残疾(QuickDASH)评分也发生了变化。结论 这种使用中和螺钉和松质骨植骨在关节镜下治疗肩胛骨骨不连的技术操作简单、易于重复,与其他治疗方法相比具有诸多优势。
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引用次数: 0
Aptis Distal Radioulnar Joint Implant: Management of Remarkable Complications Aptis 桡侧远端关节植入物:显著并发症的处理
IF 0.7 Pub Date : 2024-02-02 DOI: 10.1055/s-0044-1779448
Shirley D. Stougie, Frederique M. Kemme, J. Coert, J. Oonk, Lara Plugge, Margriet H. M. van Doesburg
Background The aim of an Aptis distal radioulnar joint (DRUJ) implant is to reconstruct the DRUJ in patients with a destroyed, painful DRUJ, and gross ulnar instability. The literature is scarce regarding the management of (severe) early complications related to the Aptis implant in wrists with more rare conditions, such as rheumatoid arthritis, congenital malformations, or leiomyosarcoma of the distal ulna. Purpose This paper describes the clinical results, (severe) early complications related to the implant, revision surgery, patient satisfaction with the revision surgery, and esthetic appearance of the affected wrist in this specific cohort. Patients and Methods Retrospective evaluation of five consecutive patients with a short-to-medium follow-up time of 32 months (range: 18–53 months) was carried out. Results The follow-up revealed implant osseointegration failure in two cases, periprosthetic fractures in two cases, and acute carpal tunnel syndrome in one case. Three Aptis DRUJ arthroplasties were converted into a proximal Darrach. In four cases (80%), the patient was satisfied with the revision surgery due to pain reduction. In four cases (80%), the esthetic appearance of the affected wrist was found disappointing. Conclusion This study describes remarkable complications related to the Aptis implants in wrists with more rare conditions. The implant is more likely to fail in wrists with poor bone stock, remodeling of the radius, deformation, and malformation of the radius. The range of indications for the usage of the implant to maintain wrist function may be strict. Level of Evidence IV.
背景 Aptis桡侧远端肘关节(DRUJ)植入物的目的是为桡侧远端肘关节受损、疼痛和尺骨严重不稳的患者重建桡侧远端肘关节。关于 Aptis 假体对患有类风湿性关节炎、先天性畸形或尺骨远端利肌肉瘤等罕见病症的腕部患者的(严重)早期并发症的处理,相关文献极少。目的 本文描述了这一特定人群的临床结果、与植入物相关的(严重)早期并发症、翻修手术、患者对翻修手术的满意度以及患腕的美观程度。患者和方法 对连续五例患者进行了回顾性评估,中短期随访时间为 32 个月(18-53 个月)。结果 随访结果显示,两例患者的假体骨结合失败,两例患者的假体周围骨折,一例患者的急性腕管综合征。有三例 Aptis DRUJ 关节置换术转化为近端达氏手术。其中四例(80%)患者因疼痛减轻而对翻修手术表示满意。四例患者(80%)的患腕外观美观程度令人失望。结论 本研究描述了与 Aptis 假体有关的显著并发症,这些并发症多发生在患有罕见病症的腕部。在骨量不足、桡骨重塑、桡骨变形和畸形的情况下,植入物更容易失效。使用该植入物维持手腕功能的适应症范围可能比较严格。证据等级 IV。
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引用次数: 0
Aptis Distal Radioulnar Joint Implant: Management of Remarkable Complications Aptis 桡侧远端关节植入物:显著并发症的处理
IF 0.7 Pub Date : 2024-02-02 DOI: 10.1055/s-0044-1779448
Shirley D. Stougie, Frederique M. Kemme, J. Coert, J. Oonk, Lara Plugge, Margriet H. M. van Doesburg
Background The aim of an Aptis distal radioulnar joint (DRUJ) implant is to reconstruct the DRUJ in patients with a destroyed, painful DRUJ, and gross ulnar instability. The literature is scarce regarding the management of (severe) early complications related to the Aptis implant in wrists with more rare conditions, such as rheumatoid arthritis, congenital malformations, or leiomyosarcoma of the distal ulna. Purpose This paper describes the clinical results, (severe) early complications related to the implant, revision surgery, patient satisfaction with the revision surgery, and esthetic appearance of the affected wrist in this specific cohort. Patients and Methods Retrospective evaluation of five consecutive patients with a short-to-medium follow-up time of 32 months (range: 18–53 months) was carried out. Results The follow-up revealed implant osseointegration failure in two cases, periprosthetic fractures in two cases, and acute carpal tunnel syndrome in one case. Three Aptis DRUJ arthroplasties were converted into a proximal Darrach. In four cases (80%), the patient was satisfied with the revision surgery due to pain reduction. In four cases (80%), the esthetic appearance of the affected wrist was found disappointing. Conclusion This study describes remarkable complications related to the Aptis implants in wrists with more rare conditions. The implant is more likely to fail in wrists with poor bone stock, remodeling of the radius, deformation, and malformation of the radius. The range of indications for the usage of the implant to maintain wrist function may be strict. Level of Evidence IV.
背景 Aptis桡侧远端肘关节(DRUJ)植入物的目的是为桡侧远端肘关节受损、疼痛和尺骨严重不稳的患者重建桡侧远端肘关节。关于 Aptis 假体对患有类风湿性关节炎、先天性畸形或尺骨远端利肌肉瘤等罕见病症的腕部患者的(严重)早期并发症的处理,相关文献极少。目的 本文描述了这一特定人群的临床结果、与植入物相关的(严重)早期并发症、翻修手术、患者对翻修手术的满意度以及患腕的美观程度。患者和方法 对连续五例患者进行了回顾性评估,中短期随访时间为 32 个月(18-53 个月)。结果 随访结果显示,两例患者的假体骨结合失败,两例患者的假体周围骨折,一例患者的急性腕管综合征。有三例 Aptis DRUJ 关节置换术转化为近端达氏手术。其中四例(80%)患者因疼痛减轻而对翻修手术表示满意。四例患者(80%)的患腕外观美观程度令人失望。结论 本研究描述了与 Aptis 假体有关的显著并发症,这些并发症多发生在患有罕见病症的腕部。在骨量不足、桡骨重塑、桡骨变形和畸形的情况下,植入物更容易失效。使用该植入物维持手腕功能的适应症范围可能比较严格。证据等级 IV。
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引用次数: 0
Percutaneous Neutralization Screw with Arthroscopic Bone Grafting for Scaphoid Nonunion 经皮中和螺钉与关节镜骨移植治疗肩胛骨骨不连
IF 0.7 Pub Date : 2024-02-02 DOI: 10.1055/s-0044-1779292
B. Sivakumar, Soon Ghee Ang, Nicholas Smith
Background The optimal management of established scaphoid nonunion is undecided. Priorities in this setting include the restoration of normal geometry and elimination of any bony defect, provision of adequate stability to allow early mobilization, and the achievement of union. Technique We describe a technique of arthroscopic assessment and debridement, reduction of deformity and autologous cancellous bone grafting, and stabilization via a specifically designed neutralization screw, to realize the above aims. Patients and Methods Consecutive patients undergoing this technique at a single center in Sydney, Australia, underwent pre- and postoperative assessment. Parameters assessed include a range of motion and patient-reported outcome measures. Results In total, 14 patients (11 males and 3 females with a mean age of 22.4 years) underwent treatment of scaphoid nonunion using this technique, at a mean of 105.9 weeks following index injury. The cohort was followed up radiologically for a mean of 20.7 weeks and clinically for 147.3 weeks. Union was achieved in 13 of 14 patients at a mean of 12.4 weeks. Significant improvements were noted in pain visual analogue scale (VAS), while changes were also noted in range of motion and quick disabilities of arm, shoulder and hand (QuickDASH) score. Conclusion This technique of arthroscopic management of scaphoid nonunion using a neutralization screw and cancellous bone graft is simple, easily reproducible, and confers numerous advantages when compared with other treatment modalities.
背景肩胛骨骨不连的最佳治疗方法尚无定论。在这种情况下,首要任务包括恢复正常的几何形状和消除任何骨缺损,提供足够的稳定性以允许早期活动,以及实现骨结合。技术 我们介绍了一种在关节镜下进行评估和清创、减少畸形和自体松质骨移植,并通过专门设计的中和螺钉进行稳定的技术,以实现上述目标。患者和方法 在澳大利亚悉尼的一个中心接受该技术治疗的连续患者均接受了术前和术后评估。评估参数包括活动范围和患者报告的结果。结果 共有14名患者(11名男性,3名女性,平均年龄22.4岁)接受了该技术治疗肩胛骨骨不连,平均受伤时间为105.9周。对这些患者进行了平均 20.7 周的放射学随访和 147.3 周的临床随访。14 名患者中有 13 名在平均 12.4 周时实现了骨结合。疼痛视觉模拟量表(VAS)显示患者的疼痛明显改善,同时患者的活动范围和手臂、肩部和手部快速残疾(QuickDASH)评分也发生了变化。结论 这种使用中和螺钉和松质骨植骨在关节镜下治疗肩胛骨骨不连的技术操作简单、易于重复,与其他治疗方法相比具有诸多优势。
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引用次数: 0
Developing 3D-Printed Wrist Splints for Distal Radius and Scaphoid Fractures 为桡骨远端和肩胛骨骨折开发 3D 打印腕部夹板
IF 0.7 Pub Date : 2024-02-02 DOI: 10.1055/s-0044-1779053
Bernadette Tobler-Ammann, Frédéric Schuind, Loïc Voillat, Théophile Gentilhomme, E. Vögelin, Noé Murith, Bernard Masserey
Background The purpose of this study is to optimize conservative treatment of distal radius and scaphoid fracture, in terms of comfort, fracture stabilization, and prevention of cast complications. Description of Technique Advances in additive manufacturing have allowed the development of patient-specific anatomical braces (PSABs) which have the potential to fulfill this purpose. Our specific aims were to develop a model of PSAB, adapted to fracture care, to evaluate if this brace would be well tolerated by healthy volunteers and to determine its mechanical properties as compared with conventional methods of wrist immobilization. Materials and Methods Several three-dimensional-printed splint prototypes were designed by mechanical engineers based on surgeons' and hand therapists' clinical expertise. These experimental braces underwent testing in a preclinical study involving 10 healthy volunteers, assessing comfort, satisfaction, and activities. The final prototype was mechanically compared with a conventional cast and a prefabricated splint, testing different closing systems. A mathematical algorithm was created to automatically adapt the final PSAB model to the patient's anatomy. Results The final prototype achieved an overall satisfaction score of 79%, weighing less than 90 g, made from polyamide, and fixed using hook and loop straps. The PSAB stiffness varied between 0.64 and 0.99 Nm/degree, surpassing the performance of both conventional plaster casts and prefabricated splints. Conclusion The final wrist PSAB model, adapted for fracture treatment, is lightweight, comfortable, and provides anatomical contention. It is currently being tested for the treatment of stable distal radius and scaphoid fractures in comparison to conventional plaster cast.
研究背景 本研究旨在从舒适度、骨折稳定和预防石膏并发症等方面优化桡骨远端和肩胛骨骨折的保守治疗。技术描述 增材制造技术的进步使得患者特异性解剖支架(PSAB)的开发成为可能。我们的具体目标是开发一种适用于骨折护理的 PSAB 模型,评估健康志愿者是否能很好地耐受这种支架,并确定其与传统腕部固定方法相比的机械性能。材料与方法 机械工程师根据外科医生和手部治疗师的临床专业知识设计了几种三维打印夹板原型。这些实验性支架在一项临床前研究中进行了测试,有 10 名健康志愿者参与,对舒适度、满意度和活动度进行了评估。最终原型与传统石膏和预制夹板进行了机械比较,测试了不同的闭合系统。此外,还创建了一种数学算法,可根据患者的解剖结构自动调整 PSAB 的最终模型。结果 最终原型的总体满意度为 79%,重量不到 90 克,由聚酰胺制成,使用钩环带固定。PSAB 的硬度介于 0.64 和 0.99 牛米/度之间,超过了传统石膏模型和预制夹板的性能。结论 用于骨折治疗的最终腕部 PSAB 模型轻巧、舒适,并能提供解剖学上的抗争性。与传统石膏相比,该模型目前正在用于治疗稳定的桡骨远端和肩胛骨骨折。
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Journal of Wrist Surgery
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