Immunohistochemical expression of matrix metalloproteinases in the granulomatous rosacea compared with the non‐granulomatous rosacea

Background There is a granulomatous variant which is recognized in the rosacea spectrum. However, the pathogenesis of granuloma formation in rosacea has not been clearly demonstrated. Matrix metalloproteinases (MMPs) are required for recruitment of inflammatory cells and for tissue remodelling, making way for the development of well‐organized granuloma. Objective The aim of this study was to investigate the expression of transforming growth factor (TGF)‐β, TGF‐β type II receptor (TβRII), Tumour necrosis factor (TNF)‐α, MMP‐1, 2 and 9 in the granulomatous rosacea (GR) compared with the non‐granulomatous rosacea (NGR) and test the hypothesis that the changes of these profiles in GR would be related with chronic ultraviolet radiation (UVR)‐exposure. Methods Facial skin samples were obtained from 20 patients with GR and NGR (control group). The sections were stained using haematoxylin and eosin, Verhoeff’s elastic stain, and antibodies to TGF‐β, TβRII, TNF‐α, MMP‐1, ‐2 and ‐9. Results The amount of elastotic material was significantly increased in the dermis of GR lesions. Expression of TGF‐β was significantly decreased in the epidermis of GR lesions compared with NGR lesions. In addition, the expression of MMP‐9 was significantly increased in the dermis of GR lesions compared with NGR lesions, especially at the centre of the granuloma on a semi‐quantitative analysis. MMP‐2 expression was also increased in GR lesions, although the difference between the two groups was not statistically significant. Conclusions The results of this study suggest that the increased expression of MMPs in the dermis may participate in granuloma formation of GR in association with UVR.     

先天性无肛直肠舟状窝瘘手术186例

1临床资料1988-06/2003-12我院共186例,均为女性,无肛门,其中0～6月龄21例,0.5～1岁96例,1～3岁53例,3～8岁15例,13岁1例.以大便从会阴部舟状窝瘘口处排出而就诊,患儿有不同程度的排便困难,严重时伴腹胀呕吐,多数患儿有营养不良性贫血.瘘口直径0.3～0.6 cm,直肠盲端到肛穴皮肤之间的距离1.0～2.5 cm,属于中、低位肛门直肠畸形.本组有3例合并先天性心脏病-室间隔缺损,2例合并骶前囊肿,1例合并脐疝.     

雷公藤治疗系统性红斑狼疮免疫机制的研究

目的：探讨雷公藤治疗系统性红斑狼疮的免疫作用机制。方法：用系统性红斑狼疮（ＳＬＥ）的外周血单个核细胞（ＰＢＭＣ）体外培养观察雷公藤对于ＳＬＥ的Ｔ,Ｂ细胞功能的影响。结果;雷公藤不仅能抑制ＳＬＥ病人ＰＢＭＣ对ＰＨＡ诱导的增殖反应,也能抑制ＳＬＥ病人活化Ｂ细胞的自发增殖以及ＳＡＣ诱导的静止期Ｂ细胞的增殖反应。另外雷公藤还能明显的抑制ＳＬＥ病人ＰＢＭＣ的自发性ＩｇＧ分泌以及ｒ－ＩＬ２诱导的ＰＢＭＣ的Ｉｇ     

苄普地尔与山莨菪碱合用对心肌缺血再灌注损伤的保护作用

卡普地尔与山莨菪碱合用对结扎大鼠冠脉左室支造成心肌缺血再灌注损伤的保护作用。两药同时合用可降低缺血再灌性心律失常发生率;明显提高复灌后心肌超氧物歧化酶活性及显著减轻心肌超微结构损伤。表明两药合用有协同作用,较单用苄普地尔或山莨菪碱疗效好。     

几种伪随机序列应用于诱发电位检测的性能比较

伪随机序列技术作为一种快速检测诱发电位的技术已得到重视。本文主要对几种常用序列Ｍ序列、巴克序列和格雷互补序列等应用于诱发电位检测时的性能进行研究，分别给出了它们的解卷积算法及用于诱发电位检测时相对于平均法的信噪比改善倍数。理论及实验表明，Ｍ序列在检测信噪比改善方面较另两种序列好。     

MR and cine-MR imaging in the diagnosis of infantile congenital heart disease

Objective　To assess the effectiveness of magnetic resonance imaging (MRI) and cine magnetic resonance imaging (cine-MRI) in the diagnosis of infantile congenital heart disease. Methods　A total of 34 cases were studied with MRI and cine-MRI. The data were analyzed and compared with those of two-dimensional echocardiography (2DE), cardioangiography (CAG) and surgery. Results　The size of the defect or its caliber obtained from MRI in 6 patients with left to right shunt congenital heart disease was compatible with that observed in surgery (P=0.924). Comparison of cine-MRI and CAG in 28 patients with complicated congenital heart disease showed that the diagnosis of 27 cases by cine-MRI was the same as that by CAG. Conclusion　Both MRI and cine-MRI play an important role in diagnosing infantile congenital heart disease.     

肝炎后高胆红素血症18例分析

0　引言　肝炎后高胆红素血症 ,极易与肝炎伴发高胆红素血症相混淆 .该病是肝炎后遗症之一 ,临床上并不少见 .患者常以间歇性黄疸或隐性黄疸前来就诊 ,但并无先天性黄疸、肝炎、肝硬化及肝内外胆管结石的临床证据 ,多数既往有肝炎病史 ,肝炎已达治愈标准 ,虽增加活动量亦无复发 ,临床预后良好 .现将我院 1995 - 10 / 1999- 0 9肝炎后高胆红素血症 18例作一小结 .1　临床资料　男 12例 ,女 6例 ,年龄 2 2～ 5 8(平均 40岁 ) .门诊 11例 ,住院 7例 .其中 11例曾患急性病毒性乙型肝炎 ,1例曾患中毒性肝炎 ,1例曾患药物性肝炎 ,5例无明确肝炎病…     

异丙酚复合氯胺酮全麻诱导对血流动力学的影响

0　引言　我们观察氯胺酮对异丙酚静脉复合诱导时血流动力学的影响 ,并以芬太尼复合异丙酚全麻诱导做对照研究 .1　对象和方法1.1　对象　 30例 ASA ～ 级择期行全麻手术的患者 .男2 0例 ,女 10例 ,年龄 18～ 5 5岁 ,体质量 49～ 75 kg,随机分为两组 ,A组为异丙酚复合氯胺酮组 ,B组为异丙酚复合芬太尼组 ,每组 15例 .1.2　方法　术前 30 min im苯巴比妥钠 0 .1g,阿托品 0 .5mg. A组诱导为 iv异丙酚 2 mg· kg- 1 ,氯胺酮 1mg· kg- 1及维库溴胺 0 .1mg· kg- 1 . B组为 iv异丙酚 2 m g· kg- 1 ,芬太尼 2 μg· kg- 1 及维库溴胺 0 .1mg…