吻合血管的近段腓骨移植重建肩腕关节

目的 探讨带血管蒂的近段腓骨移植重建肩、腕关节炎的疗效。方法 对近端肱骨和桡骨远端骨巨细胞瘤病例彻底切除瘤段骨及周围反应组织,采用带血管蒂的游离近段腓骨移植重建肩关节和腕关节。结果 经术后6个月－2年随访,2例重建肩、腕关节外观和功能恢复良好,肿瘤无复发。结论 带血管蒂近段腓骨移植是治疗肱骨近端和桡骨远端肿瘤切除后骨缺损和重建肩、腕关节的理想方法。     

下肢动脉硬化闭塞症治疗进展

外科手术及腔内介入技术是下肢动脉硬化闭塞症治疗的主要方法.下肢动脉硬化病变特点不同,治疗策略不同.本文就目前外科手术及腔内介入技术治疗下肢动脉硬化闭塞症的临床效果予以综述.     

托特罗定防治良性前列腺增生患者围手术期膀胱痉挛的临床疗效

目的 探讨良性前列腺增生(BPH)患者围手术期膀胱痉挛的有效防治方法.方法 BPH患者112例,随机分为2组,每组56例.治疗组应用酒石酸托特罗定治疗,术前4～5 d,术后3～4 d,2 mg,2次/d.对照组不服用任何对膀胱痉挛有影响的药物.观察比较2组患者经尿道前列腺切除术后膀胱痉挛发生频率、持续时间等.结果 对照组56例患者麻醉效应过后未发生膀胱痉挛7例(12.5%)、轻度膀胱痉挛(偶感耻骨上膀胱区及尿道疼痛不适)8例(14.3%)、膀胱痉挛(膀胱区阵发性疼痛伴尿液自尿管周围溢出)41例(73.2%).治疗组56例患者麻醉效应过后未发生膀胱痉挛49例(87.5%)、轻度膀胱痉挛5例(8.9%)、膀胱痉挛2例(3.6%).2组膀胱痉挛发生率比较差异有统计学意义(P相似文献   

The current status of locked plating: the good, the bad, and the ugly

Locked plate technology has evolved in an effort to overcome the limitations associated with conventional plating methods, primarily for improving fixation in osteopenic bone. The development of screw torque and plate-bone interface friction is unnecessary with locked plate designs, significantly decreasing the amount of soft tissue dissection required for implantation, preserving the periosteal blood supply, and facilitating the use of minimally invasive percutaneous bridging fixation techniques. The locked plate is a fixed-angle device because angular motion does not occur at the plate screw interface. The use of locked plate technology allows the orthopaedic surgeon to manage fractures with indirect reduction techniques while providing stable fracture fixation. The secure 'feel' of locked plates, ease of application, and the low incidence of complications noted in early clinical reports have contributed to the proliferation of this technology. Along with reports of clinical successes, as the use of fixed angle/locked plates has increased, clinical failures are being noticed. This review will focus on the biomechanics of locked plate technology, appropriate indications for its use, laboratory and clinical comparisons to conventional plating techniques, and potential mechanisms of locked plate failure that have been observed.     

Clinical presentation of wandering spleen

Background: Wandering spleen (WS) is an uncommon condition with a variety of clinical presentations. Methods: The medical files of 5 children who underwent operation for WS in the authors' department during the period 1996 through 2000 were retrospectively reviewed. Results: Splenic salvage procedures (retroperitoneal splenopexy) were performed in 4 patients. One patient underwent splenectomy because of splenic necrosis. Conclusions: Early diagnosis and surgical treatment is mandatory to prevent complications. Every effort should be made to preserve the spleen, especially among the pediatric population, and splenopexy is the procedure of choice even in the asymptomatic patient. J Pediatr Surg 37:E30.     

前交叉韧带重建术后骨隧道扩大的产生及转归的MRI随访结果

目的 观察前交叉韧带重建术后骨隧道扩大的发生及随时间的演变。方法 对58例（58膝）接受自体胭绳肌腱移植、挤压螺钉固定的前交叉韧带重建病例进行了2年随访。于术后1、3、6、12和24个月分别进行患肢MRI检查,测量矢状位股骨隧道和胫骨隧道的宽度并与术后1个月数值进行比较,增宽≥2mm为隧道扩大。记录骨隧道扩大出现的时间及不同时间段隧道宽度的改变。结果9膝（15．5％）出现股骨隧道扩大,12膝（20．7％）出现胫骨隧道扩大。2膝术后3个月内出现扩大,16膝3～6个月出现扩大,3膝6～12个月出现扩大。隧道扩大的病例术后1、3个月隧道宽度比较差异无统计学意义（P〉0．05）,术后6、12、24个月隧道宽度大于1、3个月（P〈0．05）,而6、12和24个月之间隧道宽度比较差异无统计学意义（P〉0．05）。结论 前交叉韧带重建术后骨隧道扩大主要出现于术后3～6个月之间,并在术后12～24个月保持稳定。     

Crowe Ⅲ及Ⅳ型髋关节发育不良全髋关节置换术的软组织松解与平衡探讨

目的探讨分步髋周软组织松解与平衡重建髋臼后,行全髋关节置换术（THA）治疗成人CroweⅢ～Ⅳ型髋关节发育不良的效果。方法2001年1月至2006年1月,对29例（31髋）CroweⅢ～Ⅳ型成人髋关节发育不良患者行THA,其中男性7例,女性22例,患者平均年龄53岁（38～65岁）。CroweⅢ型22髋,Ⅳ型9髋,Harris评分术前平均42．6分。全部患者均为手术外侧人路,采用分步髋周软组织松解延长患肢,真臼位置重建髋臼后,行THA。结果患肢延长2．5～4．5cm,1例因髋臼外展角稍大出现术后脱位。29例患者术后随访1～5年,平均3．2年。Harris评分术后平均85．4分,关节疼痛缓解,活动功能满意,元假体松动和翻修病例。结论在重度髋关节发育不良THA中,通过有效的软组织松解和平衡,在真臼位置重建关节,可以最大程度地恢复患髋解剖形态和生理功能。     

Bipedicle flap reconstruction for complex longitudinal dorsal tissue defects of the digits

Achieving coverage after digital injury is crucial, because simple skin defects can expose essential structures such as tendons or bones. This is particularly true on the dorsal surfaces of the digits, where the skin provides the only protection for the tendons. However, longitudinal skin defects of the digit have not been specifically identified in the literature and there have been few reports focusing on longitudinal dorsal skin defects. Here we report on the use of a bipedicle flap for reconstruction of complex longitudinal dorsal tissue defects of the digits, including those associated with tendon or bone damage.     

太赫兹波对MG-63荷瘤小鼠快速活体成像的实验研究

摘要 [目的]实验研究太赫兹波对人成骨肉瘤细胞株MG-63荷瘤小鼠活体体内恶性肿瘤组织能否显像及其特异性,并探讨太赫兹波技术在骨肉瘤肿瘤组织切除术中的指导作用。[方法]利用华中科技大学光电国家重点实验室连续太赫兹成像系统,进行人成骨肉瘤细胞株MG-63荷瘤小鼠活体的THz波显像,并在活体成像指导下进行瘤体切除术（实验组）与肉眼下行瘤体切除术（对照组）再次检测进行对比,术中取出组织送病理切片;将术后人成骨肉瘤MG-63荷瘤小鼠继续饲养一周后再次行THz波显像。[结果]活体人成骨肉瘤MG-63荷瘤小鼠体内瘤体组织处出现强烈吸收信号,与周围组织差异明显;术后THz波显像及病理切片均显示太赫兹波指导下行瘤体切除术比肉眼下行瘤体切除术更为彻底;继续饲养一周后对照组荷瘤小鼠原位再次复发。[结论]太赫兹波技术能对人成骨肉瘤细胞株MG-63荷瘤小鼠中肿瘤组织特异性显像,且能良好指导手术切除恶性肿瘤组织,有望在临床中应用。