慢性胃病不同中医证型HP感染的比较研究

目的探讨幽门螺杆菌(HP)感染在慢性胃病不同中医证型之间的变化,指导开发抗HP中药。材料与方法 108例慢性胃病分为以下5型:①脾胃虚寒型26例;②脾虚夹热型24例;③胃阴不足型16例;④脾胃湿热型19例;⑤肝胃不和型23例。HP的检测:①涂片Gram染色;②快速尿素酶试验(RUT);(3)酶联免疫吸附(ELISA)法检测血清HP抗体。结果 HP的感染率从高到低依次为脾胃湿热(84.2％)、肝胃不和(78.2％)、脾虚夹热(58.3％)、脾胃虚寒(38.5％)、胃阴不足(31.3％)。实证(脾胃湿热和肝胃不和)型HP的感染率和虚证(脾虚夹热、脾胃虚寒和胃阴不足)型比较,经x~2检验,存在显著差异,P<0.01。结论慢性胃病不同中医证型HP的感染率存在差异,实证型感染率明显高于虚证型。     

HP和CagA^＋HP与中国人慢性萎缩性胃炎、胃腺癌、消化性溃疡的关系

目的　探讨幽门螺旋杆菌 (HP)及产细胞毒素型幽门螺旋杆菌 (CagA+HP)在中国人慢性萎缩性胃炎、胃腺癌、十二指肠球部溃疡及胃溃疡患者中的感染情况及意义。方法　将 492例患者分为 5组进行观察。无症状对照组 (AC组 )、慢性萎缩性胃炎组 (CAG组 )、胃腺癌组 (GCa组 )、十二指肠球部溃疡组 (DU组 )及胃溃疡组 (GU组 ) ,分别计算各组HP及CagA+HP的感染率以及患者中CagA+HP占HP感染的比例 (CagA+HP/HP) ,并作组间比较。结果　HP感染率在CAG及GCa组略高于AC组 ,但无统计学意义 ,DU及GU组HP感染率明显高于AC组 [(P <0 .0 1;CagA+HP感染率及 (CagA+HP/HP) ] ,各相关疾病观察组均显著高于AC组的 2 4.2 %及 33 .8% (P <0 .0 1)。结论　HP相关性疾病如慢性萎缩性胃炎、胃腺癌及消化性溃疡时 ,以CagA+HP感染为主 ,CagA+HP感染率较无症状对照组更高 ,显然 ,在各相关性疾病的发生中CagA+HP占有极其重要的地位 ,这为疾病的防治乃至HP根治提供了重要的证据。     

1996年对胃癌高发区人群幽门螺杆菌（HP）感染情况的检查报告

本对胃癌高发区(山东省牟平县)成年人群1038人进行了HP感染的检查。每例均做内镜、快速尿素酶试验及四块胃粘膜活检组织学检查。结果显示：1．以CLO、WS同时阳性做为判断HP阳性的标准，活动性胃炎的HP感染率最高84．66％．其次是十二指肠溃疡：84．21％．胃溃疡：81．25％．慢性浅表性胃炎：62．87％，慢性萎缩性胃炎：58．55％。2．以WS阳性做为判断HP阳性的标准，HP在胃内分布以胃底部阳性率最高；61．51％，其次为体小弯。55．66％，窦大弯：51．24％．窦小弯，50．85％．胃底部HP阳性率明显高于再窦部：P<0．01。3．活检取胃底加体小弯两块组织的HP阳性率接近于取四块组织的HP阳性率。     

胃幽门螺杆菌感染与慢性胃炎镜下表现和消化性溃疡关系的探讨

本文报道用快速尿素酶试验法分析的1 717例慢性胃十二指肠疾病的胃幽门螺杆菌(Helicobacter pylori,HP)的感染情况。结果显示皱襞增粗型胃炎、充血/渗出型胃炎、扁平糜烂型胃炎、隆起糜烂型胃炎、胆汁反流型胃炎、出血型胃炎、皱襞萎缩型胃炎的HP感染率分别为70.00％,49.72％,48.86％,47.37％,41.94％,38.1％,34.48％,但无显著性差异。十二指肠溃疡HP感染率高达71.11％,显著高于胃溃疡的60.83％。男性病人HP感染率为47.8％,显著低于女性病人的63.7％。这表明慢性胃炎胃镜下形态学差异与幽门螺杆菌感染率高低无关,十二指肠球部溃疡与HP感染的关系较胃溃疡者更为密切,人群中HP感染存在性别差异。     

中西医结合治疗消化性溃疡与溃疡复发

目的探讨中西医结合治疗对消化性溃疡(PUR)的临床疗效并非明确PU患者幽门螺杆菌(HP)根除后再感染和溃疡复发情况。方法以标准HP三联根除疗法加中药“胃宝”煎剂的中西医结合两周治疗PU患者80例(治疗组)与中医辩证施治汤药14日疗法的PU患者70例(对照组)进行比较,并以胃镜检查(尿素酶、组织学及细菌培养j对两组PU患者HP根除后共121例2年定期随访,对两组PU患者及两组不同类型溃疡患者(胃溃疡GU和十二指肠溃疡DU)的HP再感染和溃疡复发情况进行比较。结果总有效率治疗组为98．75％,对照组为88．57％;HP根除率治疗组为90％,对照组为70％;HP根除后第1、2年HP阳转率和溃疡复发率,治疗组分别为0、1．43％和1．39％。2．86％,对照组分别为4．17％、12．．SO％和16．67％、50％;不同类型溃疡Hp根除后第1、2年HP再感染率和溃疡复发率,治疗组GU为0、0和5．00％、5．26％,DU为0,1．96％和0、I．96％;对照组GU为5．56％。II．II％和16．6“／％,44．45％,DU为3．34％、13．33％和16．67％,53．33％。结论中西医结合治疗PU具有疗程短,临床疗效高,HP根除率高,HP再感染率和溃疡复发率均低,对GU和DU同样有效。     

在猪动物模型中检测幽门螺杆菌（HP）感染方法评价

用“中国1号小型猪”经口感染HP30天后取食管、胃体、胃窦、十二指肠、小肠、大肠标本行尿素酶试验、W-S银染色、HP培养、HP-PCR等检查。在15只猪中除对照组2只外,其余13只均有HP感染,胃窦HP阳性率最高,为12/13,小肠HP阳性率最低,为0/13。尿素酶试验的敏感性、特异性为88.1％、85.7％;W-S银染色的敏感性、特异性为57.l％、100％;HP培养的敏感性、特异性为31.0％、100％;HP-PCR的敏感性、特异性为100％、83.3％。提示本实验所用检测HP感染方法,其敏感性和特异性可相互补充,应同时应用。取材部位对诊断猪HP感染影响较大,应多部位取材。     

胃癌与幽门螺杆菌感染的关系

目的:进一步探讨胃癌的发生、发展与HP持续感染的关系。方法:经胃镜检查观察病变的部位和形态,并在病变部位取3块活组织。对病理诊断为胃癌的235例组织再作必良Gimesa染色,以确立HP感染与否。结果:癌肿病变部位HP感染率在胃窦部占58.33％,胃角部占38.33％,贲门部占37.50％,胃体部占16.95％。在控制不同形态胃癌的影响下,不同部位胃癌间HP感染率有非常显著性差异(P<0.01)。癌肿病变形态HP感染率,在早期隆起型占31.11％,中晚期息内型占75.55％,溃疡型占37.39％,弥漫浸润型占26.67％。在控制不同部位胃癌的影响作用下,不同形态胃癌间的HP感染率,有非常显著性差异(P<0.01)。按组织分型,HP感染率在腺癌中占39.0％,粘液癌占60.0％,两组间比较,有显著性差异(P<0.025)。HP感染阳性胃癌与阴性胃癌患者在年龄、性别两组间比较,无显著性差异(P>0.05)。结论:胃窦部中晚期息肉型癌肿可能与HP持续感染关系最为密切。源于胃组织起源不同,粘液癌HP感染率比腺癌为高。胃癌发生年龄、性别与HP感染无明显相关性。     

不同型别幽门螺杆菌感染的高血压患者血清中TNF-α、IL-6、IL-8水平研究

目的调查高血压患者的幽门螺杆菌(Helicobacter pylori,HP)感染率和细胞毒素相关蛋白A(cytotoxin associated protein,Cag A)阳性率,以及感染不同型别HP的高血压患者血清中TNF-α、IL-6、IL-8水平。方法以我院90例高血压住院患者(高血压组)及65例同期体检者(健康对照组)为研究对象,调查HP感染率,检测HP类型,并采用酶联免疫吸附法检测高血压患者血清中TNF-α、IL-6、IL-8水平,对比不同类型HP感染的患者血清中TNF-α、IL-6、IL-8水平。结果高血压组HP感染率为84.4%,明显高于健康对照组的52.3%;高血压组中HP感染者Cag A-IgG阳性率为80.3%,明显高于健康对照组中的58.8%,差异均有统计学意义(P均0.05)。高血压组中HP-Cag A-IgG(+)患者TNF-α、IL-6、IL-8水平明显高于HP-Cag A-IgG(-)和HP(-)高血压患者,同时HP-Cag A-IgG(-)高血压患者亦高于HP(-)高血压患者,差异均有统计学意义(P均0.05)。结论高血压患者有更高的HP感染率和HP-Cag A-IgG(+)阳性率,HP-Cag A-IgG(+)高血压患者分泌IL-6、IL-8、TNF-α水平更高。HP感染导致的慢性炎症可能参与了高血压形成的病理生理过程。     

幽门螺杆菌感染与慢性肝病及肝源性溃疡的相关性研究

目的：探讨慢性肝病患者的幽门螺杆菌（HP）感染情况及HP感染与肝源性溃疡的关系。方法：268例胃镜检查患者同时采用血清学、尿素酶试验、组织学染色行HP检查。结果：慢性肝病患者HP感染率为58．70％,非慢性肝病患者为54．62％（P＞0．05）;肝源性溃疡患者为56．52％,消化性溃疡患者为92．06％（P＜0．05）。轻、中、重三组食管静脉曲张患者溃疡发生率分别为11．11％、43．48％、73．91％。结论：慢性肝病患者HP感染率与非慢性肝病患者无显著性差异;肝源性溃疡患者HP感染率明显少于消化性溃疡患者;食管静脉曲张程度越高,溃疡发生率越高,HP感染不是其主要病因。     

HP感染与ITP的相关性分析

目的分析幽门螺旋杆菌感染(HP)与免疫性血小板减少症(ITP)之间存在的关系。方法将2013年2月—2015年2月收治的168例ITP患者作为研究的对象(观察组),另取同期来我院接受检查的168例健康体检者作为纳入对照(对照组),对两组感染幽门螺旋杆菌的发生率进行对比评价。结果观察组168例ITP患者中,感染幽门螺旋杆菌70例,感染率为41.67%;对照组健康体检者中,感染幽门螺旋杆菌(HP)32例,感染率为19.05%。在幽门螺旋杆菌感染率方面,观察组与对照组相比明显要高(P0.05)。结论幽门螺旋杆菌感染易导致免疫性血小板减少性紫癜发生;针对ITP患者,在明确感染幽门螺旋杆菌的情况下,需积极采取抗幽门螺旋杆菌感染治疗,进而确保患者获得优化治疗。     

幽门螺杆菌与中青年缺铁性贫血关系的临床研究

目的:探讨幽门螺杆菌(HP)感染与缺铁性贫血(IDA)的关系以及HP相关性IDA治疗的有效方法。方法:对132例有上消化道症状的中青年患者进行内镜下组织病理检查,胃黏膜活检标本快速尿素酶试验,同时所有患者作血常规,血清铁(SI),血清铁蛋白(SF),血清HP抗体(HP-IgG)检测。将HP感染伴慢性胃炎的IDA患者(36例)随机分成A,B2组,A组给予铁剂联合HP根治治疗,B组仅给予HP根治治疗,治疗后复查上述血液学指标。结果:HP感染的92例患者中IDA者有52例,IDA的患病率为56.5%;40例无HP感染患者中IDA者有6例,IDA的患病率为15.0%,两者相比差异有统计学意义(P<0.05)。58例IDA患者中,有52例为HP感染,HP感染率为89.7%;74例非IDA患者中,有40例为HP感染,HP感染率为54.1%,两者相比差异有统计学意义(P<0.05)。A,B2组治疗前后其血红蛋白(Hb),SI,SF均有显著性恢复,且A组比B组上述血液学指标差异有统计学意义。结论:HP感染可能为中青年IDA的病因之一,铁剂联合根治HP的治疗能显著提高中青年HP相关性IDA的治疗效果。     

221例良性胃病中幽门螺杆菌感染与癌胚抗原表达的研究

胃镜下取２２１例良性胃病的活检进行ＨＥ染色Ｇｅｉｍｓａ染色查ＨＰ，ＣＥＡ单克隆抗体免疫组化检查。结果：ＨＰ感染率，ＣＥＡ阳性率３８．９１％，肠化生和／或不典型增生发生率２６．７０％，ＨＰ阳性与阴性病变的ＩＭ或／和ＡＨ发生率分别为３０．４１％及１４．００％。     

唾液抗幽门螺杆菌IgG检测诊断幽门螺杆菌感染的评价

目的 评价唾液抗幽门螺杆菌（ＨＰ）抗体诊断ＨＰ感染的价值。方法 ９３例病人同时进行唾液抗ＨｐＩｇＡ测定、快速尿素酶试验（ＲＵＴ）、组织涂片ＨＥ染色及病理ＷＳ银染色法诊断ＨＰ感染结果 唾液抗ＨｐＩｇＧ检测阳性率近似于ＲＵＴ法，高于组织涂片ＨＥ染色法和病理ＷＳ银染色法，其诊断ＨＰ感染的敏感性与９６．９７％，特异性８８．２３％，准确性９５．１８％，阳性预测值９７％，阴性预测值８８．２４％，结论唾液抗Ｈｐ     

Helicobacter pylori infection in Chinese subjects with type 2 diabetes.

The relationship between diabetes and Helicobacter pylori (HP) infection is controversial. In this study, we examined the possible relationship between HP infection and type 2 diabetes in Chinese subjects. Sixty-three Chinese type 2 diabetic patients (mean age +/- SD: 49.9 +/- 12.0 years; range: 17-76 years) were recruited irrespective of the duration of diabetes or type of therapy. Twenty-nine (46%) of them had upper gastrointestinal symptoms and the other 34 (54%) did not. Another 55 age- and sex-matched non-diabetic subjects (mean age +/- SD: 45.6 +/- 15.6 years, p=0.098; range 18-79 years) with dyspepsia indicated for upper endoscopy were recruited as a comparison group. Upper endoscopy was performed with antral mucosal biopsy specimens taken for rapid urease test (CLO test). HP infection was considered to be present if the rapid urease test was positive. The rates of HP infection of the diabetic and non-diabetic individuals were 50.8% and 56.4% respectively (p: NS). The rate of HP infection was similar between the 2 groups of diabetic patients with or without gastrointestinal symptoms (42.9% vs. 56.3%, p: NS). Using logistic regression analysis (forward stepwise) with age, sex, glycaemic control, duration of diabetes and upper gastrointestinal symptoms as independent variables to predict the risk of HP infection in diabetic patients, none of the parameters enter into the model. In conclusion, the rate of HP infection in Hong Kong Chinese subjects with type 2 diabetes is around 50%, which is similar to control subjects. No association was found between HP infection, glycaemic status, and duration of diabetes and upper gastrointestinal symptoms in these diabetic subjects.     

Clinical significance of PCR in Helicobacter pylori DNA detection in human gastric disorders

ＣｌｉｎｉｃａｌｓｉｇｎｉｆｉｃａｎｃｅｏｆＰＣＲｉｎＨｅｌｉｃｏｂａｃｔｅｒｐｙｌｏｒｉＤＮＡｄｅｔｅｃｔｉｏｎｉｎｈｕｍａｎｇａｓｔｒｉｃｄｉｓｏｒｄｅｒｓＸＵＧｕｏＭｉｎｇ，ＪＩＸｕＨｕａｉ，ＬＩＺｈａｏＳｈｅｎ，ＭＡＮＸｉａｏＨｕａ...     

H. pylori infection and genotyping in patients undergoing upper endoscopy at inner city hospitals

Kings County Hospital (KCH), and St. John's Episcopal Hospital (SJH) are inner-city hospitals in New York City serving predominantly minority populations. Staten Island University Hospital (SIUH) serves a predominantly middle-class Caucasian population. We examined H. pylori (HP) infection in patients undergoing upper endoscopy at these hospitals. Two gastric biopsies were obtained from each patient. One biopsy was examined by histology or the rapid urease test for the presence of HP. The other was subjected to analysis by PCR to detect HP DNA and to identify putative HP virulence factors. Of 200 subjects, 54% were African-American, 10% were Hispanic, and 36% were Caucasian. HP infection rates in African-American, Hispanic, and Caucasian patients were 43%, 20%, and 11%, respectively. Many of the African-American patients are recent immigrants from the Caribbean Islands. In these patients, an inverse relationship was observed between HP infection and the number of years living in the United States. Higher levels of HP infection were observed in patients with duodenitis and peptic ulcer disease. With respect to HP virulence factors, the vacA s1b and m1 alleles, as well as the iceA2 allele were the predominant alleles expressed in HP-positive samples obtained from African-Americans. The cagA gene was detected in 81% of HP-positive samples. However, CagA positivity was not related to any specific gastrointestinal disorder. Our findings indicate that among several ethnic groups served by three hospitals, African-American patients have the highest rate of HP infection. Moreover, in African-American patients undergoing endoscopy: (1) HP infection was inversely related to the number of years the patients have been living in the USA; (2) HP infection rates were higher in patients diagnosed with duodenitis and peptic ulcer disease versus other disorders; (3) expression of the CagA gene was not associated with any specific gastroduodenal disorder; and (4) there was little allelic heterogeneity with respect to VacA and IceA subtypes. These findings suggest that inner-city African-Americans are more likely to be infected with HP and suffer from more serious gastroduodenal disorders than other ethnic groups.     

功能性消化不良与幽门螺杆菌感染的关系研究

目的：检测功能性消化不良（FD）病人幽门螺杆菌（HP）感染情况,探讨HP感染与FD的关系。方法：对137例FD患者及56例正常对照组行快速尿素酶检测,Warthin-Starry银染及（或)^14C呼气试验,对FD并HP感染病人行抗HP治疗,以症状积分比较症状改善情况及总有效率。结果：1．FD病人HP感染率为67．15％。2．经抗HP治疗FD患者症状明显改善。结论：HP感染可能是FD的一个致病因素,抗HP是治疗的FD的一个重要手段。     

14C-尿素呼气试验对幽门螺杆菌感染的诊断价值

目的：评估^14C-尿素呼气试验（^14C-UBT）对幽门螺杆菌（HP）感染的诊断价值。方法：对2000例1月内未曾使用可能影响HP检测结果的药物者同步完成快速尿酶试验（RUT）、病理、^14C-UBT检测，以病理（HE染色）、RUT均阳性为诊断HP感染的标准，评价^14C-UBT对HP感染的诊断价值。结果：^14C-UBT的敏感性89.7％，特异性98.4％，阳性预测值98.4％，准确性93.4％，阴性预测值88.1％。结论：^14C-UBT是HP感染无创伤、敏感而特异的诊断方法。