膈疝的CT诊断价值(附15例分析)

目的：探讨膈疝的CT诊断及其临床手术指导价值。方法：通过以横膈部位为中心行胸腹部螺旋CT扫描，获得理想的CT扫描图像，通过15例膈疝患者的扫描图像，结合临床综合分析。结果：膈上有疝囊15例，囊内有液平面13例，有小肠及结肠肠型的1例，有脂肪组织1例，胸腔内有积液2例。结论：CT检查对膈疝的诊断应当作为首选的检查方法，其不仅能对膈疝做出正确的诊断，而且，对临床手术指导具有重要的临床治疗意义。     

Stability of the original Hoffmann and AO tubular external fixation devices

Detailed data of the stability of external fixation devices are needed by the orthopaedic surgeon to predict successful healing of a fracture. The stability (rigidity, yield and failure criteria) of four half-frame configurations (single, stacked, double and delta) of the original Hoffmann and AO tubular frame have been analysed under four loading conditions: axial compression, torsion, and both AP- and ML-bending. Overall the two systems' rigidities were the same between similar configurations. Both systems' single half-frames were particularly weak; however, as the number of components (rods, pins, clamps, couplings) on the frame increased, the rigidity of the frame increased. The difference in performance between the two systems lies in their yield and failure characteristics. The AO system exhibited excellent failure criteria in all modes of loading, i.e. no configuration failed within the test limits, whereas most Hoffman frames yielded and failed at low loads.     

292例国人正常胎儿枕额径及双顶径的外测量分析

经对292例正常胎儿枕额径和双顶径的外测量,结果表明,枕额径和双顶径都随着胎龄的增长而增大,但其生长速度则随着胎龄的增长而逐渐减慢。经回归分析原理,分别得出预测方程。枕额径增长的速度和双顶径增长的速度没有明显差异(P>0.05)。     

Balloon Electrode Catheter for Transesophageal Atrial Pacing and Transesophageal EGG Recording

A new balloon electrode catheter (10 French) with five or six balloon electrodes placed on the cardiac side was developed for transesophageal atrial pacing and bipolar ECG recording. The diameter of the hemispheric electrodes is 6 mm and the length of the esophageal balloon is 10 cm. The transesophageal atrial pacing threshold was measured with the balloon electrode catheter by transesophageal programmed atrial stimulation (TPS) (n = 54). At the onset of TPS, the feeling, capture fn = 54), and pain voltage threshold (n = 6) were measured by increasing the amplitude of the pacing voltage during high rate bipolar atrial pacing and bipolar atrial ECG recording. In 38 TPS, the capture threshold was lower than the feeling threshold (n = 28). In 16 TPS, the capture threshold was higher than the feeling threshold. In conclusion, painless atrial pacing and excellent ECG recording can be achieved with a multipolar esophageal balloon electrode catheter with a low pacing voltage amplitude and a high P wave amplitude.     

狗喉上神经袢神经束性质的鉴别

用成年杂种狗１２只，在全麻状态下放血，取其颈交感干与喉上神经外支间的交通支及其与喉上神经外支汇合后的神经干，甲醛固定，明胶包埋，恒冷切片后用Ｋａｒｎｏｖｓｋｙ乙酰胆碱酯酶组化方法，对上述材料进行观察。我们发现交通支多为无髓纤维，酶反应呈强阳；混合后的神经含有髓酶反应阳性和阴性纤维及无髓酶反应强阳性纤维，证实喉上神经袢含有体躯运动、内脏运动（交感神经）纤维及感觉纤维。因此，喉上神经拌为混合神经。     

肿胀法外超声吸脂术的组织学研究

目的 观察外超声能量作用于活体组织后的组织学变化，以探索其作用机制。方法 对3只家猪腹部两侧进行外超声与非超声比较，作用不同时间后在光镜和电镜下观察其皮肤组织全层的变化。结果 在外超声作用18min内，随着作用时间的延长，猪的皮下脂肪组织和生物大分子结构的破坏程度不断加重，脂肪组织中产生的空泡不断增大而皮肤组织及血管无明显变化。结论 外超声吸脂术可通过稳定的空泡效应选择性地使脂肪细胞结构发生不可逆的坏死性改变，这一改变与作用时间成正比。     

Effect of Shenmai Injection on L-type Calcium Current of Diaphragmatic Muscle in Rats

Diaphragmaticmuscleisanimportantrespiratorymuscle,anddiaphragmaticfatiguecanleadtomanydisorders .Onlyintherecent 2 0 yearshavethesys temicresearchesbeen performedtoinvestigatethefunctionofdiaphragmanditspathophysiology .Di aphragmaticfatiguecanbeinducedby…     

颈外动脉主要分支的测量与观察

本文对60侧成人半头颈标本的颈外动脉主要分支进行了测量与观察。为了颞浅动脉插管(造影或化疗)及血管吻合术的需要,进一步测量了颞浅动脉与颈外动脉、颞骨颧突部的两个角度以及颞浅动脉内壁的周长,并推算出其内径。旨在为临床应用及国人体质调查提供参考资料。     

手术配合局部外用药治疗慢性肛门湿疹临床观察

目的:观察手术配合术后曲咪新加复方鱼肝油软膏混合膏局部换药治疗慢性肛门湿疹的疗效.方法:将93例慢性肛门湿疹患者随机分为治疗组(47例)和对照组组(46例),治疗组采用手术配合术后曲咪新加复方鱼肝油软膏混合膏局部换药,对照组采用亚甲蓝局部封闭配合术后皮炎平局部换药.观察两组患者术后长短期疗效.结果:治疗组短期有效率为93.61%,疗效优于对照组71.74%(P＜0.01);治疗组远期有效率为89.36%,优于对照组60.87%(P＜0.01).结论:本法治疗慢性顽固性肛门湿疹疗效确切、复发率低.     

Proximal Radio-Ulnar Synostosis at the Pin-Track Site after External Fixation of the Forearm

Abstract Posttraumatic synostosis of the forearm bones is a rare but serious complication following fixation or even conservative treatment of adult forearm fractures. This is the second report in the English literature of such a complication at the pin-track site following external fixation of proximal forearm fractures. A 36-year-old male patient sustained an open fracture of his proximal right forearm after a road traffic accident. It was managed by external fixation of the ulna and plate fixation of the radius. At follow-up, a type 3 radio-ulnar synostosis at the pin-track site became evident, which was treated after 20 months with surgical resection of the bony bridge to regain the rotatory motion of his forearm. An erratum to this article is available at .