白内障手术结膜囊及房水细菌培养的临床观察

目的　探讨白内障术中结膜囊、房水污染与眼内炎的关系。方法　对 74例 80眼白内障囊外摘除术中结膜囊及房水进行细菌培养。结果　 16 0份细菌培养标本中 ,细菌培养阳性者 18株 ,平均培养阳性率为 11.3%。房水为 8株 ,检出率为 10 .0 % ;结膜囊为 10株 ,检出率为 12 .5 %。以表皮葡萄球菌为主 (11 18) ,其中 3眼结膜囊及房水检出同一菌株。检出阳性的 15眼无 1例发展成眼内炎。结论　白内障摘除术后前房有少量细菌 ,虽不致发生眼内炎 ,但不可掉以轻心。     

斑点免疫金渗滤法的改进

目的 :改进斑点免疫金渗滤法的渗滤装置 ,降低成本 ,使之更适用于现场操作。方法 :用自制的圆形渗滤片替代塑料渗滤盒 ,并比较二者的效果。结果 :自制的渗滤片体积更小 ,成本更低 ,为一次性使用材料 ;检测抗体的效果与塑料渗滤盒法一致。结论 :自制的渗滤片优于常用的塑料渗滤盒     

定量法（动态比浊法）测定注射用头孢曲松钠中细菌内毒素的研究

注射用头孢曲松钠 (Ｃｅｆｔｒｉａｘｏｎｅｆｏｒｉｎｊｅｃｔｉｏｎ)为长效、广谱的头孢菌素类抗生素 ,它对大多数革兰氏阴性杆菌具有高效的抗菌活性。目前无任何一种抗生素在对奇异变性杆菌的杀菌活性方面 ,可以和头孢曲松钠相比。 2 0 0 0版中国药典收载的方法为凝胶法 ,此法为限量检查法 ,不能准确测定样品中的内毒素含量 ,而定量法则可提供更灵敏而准确的内毒素检测方法。本文采用定量法 (动态比浊法 )来测定注射用头孢曲松钠的细菌内毒素含量。1　材料与仪器细菌内毒素检查用水Ｌｏｔ.Ｎｏ .0 0 1 2 2 70 ,规格5 0ｍｌ/Ａｍｐ湛江安…     

Stenting of coronary bifurcation lesions by using modified crush technique with double kissing balloon inflation (sleeve technique): immediate procedure result and short-term clinical outcomes.

BACKGROUND: Sleeve technique is a modified version of crush technique. It is specifically designed to increase the success rate of final kissing balloon inflation, which used to be a major limitation of the latter. OBJECTIVES: The aim of this study was to examine the feasibility, safety, and early clinical outcomes of sleeve technique in stenting different types (de novo, in-stent restenotic or in-stent bifurcation) of coronary bifurcation lesions at different locations. METHODS: From August 2005 to May 2006, 41 consecutive patients with symptomatic, nonleft-main coronary bifurcation stenoses of diameter narrowing >or=50% were treated with two-stent strategy, using sleeve technique. RESULTS: The mean age was 63.6 +/- 11.6 years with male predominance (70.7%). High prevalence of diabetes mellitus (31.7%), total occlusion (22.0%), and multi-vessel disease (65.9%) was observed in this cohort. Intravenous abciximab was given in 35 (85.4%) patients. Final kissing balloon inflation was successfully performed in all patients. The minimal luminal diameter in main vessel and side branch was increased from 0.97 +/- 0.53 mm and 0.81 +/- 0.45 mm to 2.76 +/- 0.34 mm and 2.22 +/- 0.35 mm, respectively. The mean procedure time was only 66.6 +/- 24.6 min. There was one (2.4%) case of subacute stent thrombosis presented as non-Q-wave myocardial infarction at day 3 postprocedure. The resultant in-hospital and 30-day major adverse cardiac event rate were both 2.4%. CONCLUSIONS: Sleeve technique is a feasible and efficient approach in stenting of coronary bifurcation stenoses.     

Standardized molecular typing of Candida albicans strains

Summary. A method is presented for the standardization of Candida albicans DNA fingerprinting, which is based on Southern hybridization of Eco RI-digested chromosomal DNA with the moderately repetitive DNA element CARE-2 and the subsequent rehybridization of the blots with a molecular size marker also included in each DNA sample. This method resulted in extremely precise alignment of all strain-specific CARE-2 hybridization patterns, even when analysed on different gels, and will enhance the accuracy of genetic relationship determinations in epidemiological studies including large numbers of strains.
Zusammenfassung. Zur Standardisierung des DNA-Fingerprinting von Candida albicans wurde eine Methode entwickelt, die auf der Southern Hybridisierung Eco RI-gespaltener chromosomaler DNA mit dem mittelrepetitiven DNA-Element CARE-2 und der darauffolgenden Rehybridisierung der Blots mit einem auch in den Proben enthaltenen molekularen Größenmarker beruht. Dies resultierte in einer äußerst präzisen Größen-bestimmung der hybridisierenden Fragmente, so daß alle stammspezifischen CARE-2-Hybridisierungsmuster exakt verglichen werden konnten, auch wenn die Isolate auf verschiedenen Gelen analysiert wurden. Die Methode erhöht die Genauigkeit der Bestimmung genetischer Verwandtschaftsbeziehungen in epidemiologischen Untersuchungen, in denen eine große Anzahl von Stämmen analysiert wird.     

麻醉深度监测技术及其临床应用

麻醉深度监测对提高麻醉质量，保障病人的围术期安全与康复具有极为重要的意义，适当的麻醉深度是保证病人生命安全、创造良好手术条件的关键因素之一。术中监测麻醉深度能提高麻醉质量和手术安全性，减少麻醉并发症。现对临床常用的麻醉深度监测技术及其临床应用情况作一综述。     

北京地区伤寒沙门菌Vi-Ⅱ噬菌体型及其药物敏感性监测

于１９７３～１９８９年收集北京地区伤寒沙门菌９６１株，做Ｖｉ－Ⅱ噬菌体分型及药物敏感性监测。结果分出３８个噬菌体型，主要噬菌体型为Ａ，Ｄ２，Ｅ１，Ｋ１，Ｄ５，Ｄ１，Ｏ，Ｄ４及Ｌ１型。药敏试验表明，１６８株北京地区菌与９６型Ｖｉ－Ⅱ标准菌相似，它们均对氯霉素高度敏感。     

Parallel angioplasty dilatation catheter and guide wire: A new technique for the dilatation of calcified coronary arteries

Percutaneous transluminal coronary angioplasty (PTCA) of heavily calcified rigid coronary arteries has decreased success and increased complication rates. Three cases are presented describing a new technique for the dilatation of severely calcified coronary arteries that were not dilatable by conventional angioplasty methods. This technique involves the use of a balloon dilatation catheter system parallel to a guide wire. © 1993 Wiley-Liss, Inc.     

Dynamic aspects of expanding cava septi pellucidi et Vergae

Summary Two paediatric patients with expanding cysts of the cava Vergae et septi pellucidi are presented. In the first patient, consecutive CT scans showed agrowing cavum thought to be responsible for his dramatic increase in head circumference. In the other patient, the expanding cavum was discovered because a routine skull X-ray after minor head trauma revealed marked impressiones digitatae.Both patients were successfully treated with stereotactically placed internal shunts from the cysts via the lateral ventricle to the subarachnoid space. During this procedure, contrast medium was instilled, and the cysts were visualized on postoperative CT scans.Some dynamic aspects of such expanding cava are discussed.     

Effects of famotidine and cimetidine on plasma levels of epidurally administered lignocaine

The effects of two H2-receptor antagonists, famotidine and cimetidine, on the plasma levels of epidurally administered lignocaine were studied. Group A (n = 20) received famotidine 20 mg orally the night before surgery and 20 mg intramuscularly 60 minutes before induction of anaesthesia. Group B (n = 15) received cimetidine 200 mg orally the night before the surgery and 400 mg orally 60 minutes before the anaesthetic induction. Group C (n = 20) received neither famotidine nor cimetidine and served as controls. Twelve millilitres of 2.0% lignocaine with adrenaline 1:200,000 was injected into the epidural space in all patients, after the establishment of general anaesthesia with nitrous oxide, oxygen, and enflurane (0.3-0.5%). The patients who received cimetidine showed significantly higher plasma concentrations of lignocaine compared with either group A or group C at all investigation times (p less than 0.01). The mean peak plasma concentrations were 2.4 (SEM 0.1), 3.2 (SEM 0.2) and 2.3 (SEM 0.1) micrograms/ml in group A, B, and C, respectively. This study suggests that famotidine is preferable to cimetidine for control of gastric acidity before the use of lignocaine as the epidural anaesthetic.