分时段用药抗幽门螺杆菌疗效分析

[目的]观察消化性溃疡（PU）患者不同时段服用抗幽门螺杆菌（Hp）药物,Hp根除及溃疡愈合疗效。[方法]Hp感染的十二指肠溃疡患者105例,胃溃疡患者69例,随机分2组,第1组治疗第1周起服用奥美拉唑20nag／次及2种抗生素（克拉霉素500mg／次,阿莫西林1000mg／次）,均2次／d;第腿第1周单纯服奥美拉唑,第2周加服2种抗生素,服用药物及方法同第1组。[结果]第Ⅱ组服药后Hp根除率为84．0％,较第1组79．4％明显升高,溃疡和Hp复发率均下降（均P〈0．05）。[结论]消化道症状缓解后服用抗生素Hp根除率高,溃疡复发率低。     

十二指肠胃反流和幽门螺杆菌感染关系研究

目的：探讨消化性溃疡患者中的十二指肠胃反流对幽门螺杆菌（Hp)感染的影响。方法：70例消化性溃疡患者，用核素^99MTC-EHIDA测定十二指肠胃反流，胃黏膜Giemsa染色后检测Hp和双抗体夹心ELISA法测定血清Hp-IgG水平。结果：在42例十二指肠胃反流阴性组中，Hp感染率为83．3％（35／42）；28例十二指肠胃反流阳性组中，Hp感染率为39．3％（11／28），两组间Hp感染率差异有显著性（P＜0．05）。而Hp阳性组46例患者中，十二指肠胃反流阳性率为30．4％（14／46）；Hp阴性组24例中，十二指肠胃反流率为58．3％（14／24），两组间十二指肠胃反流率差异也有显著性（P＜0．05）。结论：在消化性溃疡中，十二指肠胃反流对胃内Hp感染可能有抑制作用。     

成都区域性老年性消化性溃疡内镜特点

目的 根据我院老年性消化性溃疡的检出情况及内镜下特征，探讨老年性消化性溃疡的特点。方法总结我院2004．8—2008．7间经胃镜确诊的4554例消化性溃疡患者，比较老年组和中青年组消化性溃疡的检出率、大小、部位、并发症、Hp阳性率及老年性胃溃疡与溃疡型胃癌的发生部位和大小。结果 老年组和中青年组消化性溃疡的检出率分别为5．98％和4．86％（P〈0．01），且胃溃疡、十二指肠溃疡和复合性溃疡在两组的检出率均有差别（P〈0．01）；两组胃溃疡的发生部位没有差别（P〉0．05），平均溃疡面积分别为1．479±3．737和3．209士7．914（P=0．015）；两组并发症的发生率分别为2．3％和0．89％（P〈0．005），不同类型溃疡的Hp的检出率差异无统计学意义。老年性溃疡型胃癌在胃底的发生率高于胃溃疡（P=0．0005），面积大于胃溃疡（P〈0．005）。结论老年性消化性溃疡的发病随年龄的增加而增加，胃溃疡多好发于胃窦和胃角，并发症发生率高。溃疡性胃癌则好发于胃底，且溃疡的面积大。     

维敏四联治疗Hp相关的消化性溃疡

目的应用维敏胶囊（胶态果胶铋）四联药物疗法治疗Hp相关的消化性溃疡（PU）2wk，停药4wk后经内镜、14C-UBT等方法观察溃疡的愈合及Hp根除的疗效方法经内镜确诊为PU，其中十二指肠溃疡（DU）169例；胃溃疡（GU）89例．受检前2wk内未服抗生素、铋剂及质子泵阻断剂，排除孕妇和溃疡出血者，并镜下活检病理排除恶性溃疡Hp检测：先行快速尿素酶检测（RUT），阳性者再行14C-UBT检测，其中DU的Hp阳性率为95．5％；GU的Hp阳性率为81．0％．四联治疗方法：对Hp阳性PU，给予维敏胶囊100mg，4次／d；兰索拉唑30mg，2次／d；阿莫西林0．5g，4次／d；甲硝唑0．4g，2次／d，疗程为2wk．停药后4wk，同时复查内镜及14G-UBT．结果DU愈合率91．2％，Hp根除率93．0％；GU愈合率86．0％，Hp根除率92．0％．DU和GU愈合率及Hp根除率差异不明显（P＞0．05）；四联疗法后肝肾功能无异常结论Hp与PU关系密切．采用四联治疗Hp相关的PU，有良好效果．14GUBT检测Hp感染具有很高的敏感性和特异性，无创伤性，是治疗后复查Hp的首选方法     

cag A阳性幽门螺杆菌与老年胃十二指肠病的相关性

目的 探讨本地区老人幽门螺杆菌（Hp）tagA基因存在状况及其与老年胃十二指肠病的关系。方法 收集89例老年和96例青壮年慢性胃炎、消化性溃疡患菌及30例正常对照人群的血清标本及胃组织标本,应用血清学检验其Hp-cag A阳性菌株感染状况。结果 89例老年患者中慢性胃炎、胃溃疡、十二指肠溃疡的Hp-cag A基因的阳性率分别为73．5％（38／52）、81．3％（13／16）及85．7％（18／21）;96例青壮年患者中慢性胃炎、胃溃疡、十二指肠溃疡的Hp-cag A基因的阳性率分别为59．3％（32／54）、68．8％（11／16）及61．5％（16／26）;对照组Hp-cag A阳性病株感染率为33．3％,各疾病组间Hp-cag A阳件菌株感染率差异无显著性（P〉0．05）．仍均高于对照组（P〈0．05）;cag A阳性Hp菌株感染率老年组高于青壮年组（P〈0．05）。结论 本地区老年患者cag A阳性Hp菌株感染与上述3种胃十二指肠疚病的发生均密切相关．老年患者感染的Hp绝大多数为cag A阳性菌株。     

Hp及HBV在非静脉曲张破裂上消化道出血中的作用

目的为探索幽门螺杆菌（Hp）及乙肝病毒（HBV）在非静脉曲张破裂上消化道出血中的作用．方法对71例上消化道出血患者行内镜检查并采用快速尿素酶试验检测胃窦粘膜Hp感染．取静脉血采用ELISA法分别检测血清Hp-IgGAb及血清HBV标志物．所有出血者均使用止血剂．对Hp阳性患者采用H2受体拮抗剂或质子系抑制剂加两种抗生素进行根除治疗．对Hp阴性患者，使用H2受体拮抗剂或质子系抑制剂．胃癌患者行外科治疗．结果Hp感染率在出血性十二指肠溃疡、十二指肠炎、胃溃疡、胃炎、胃痛分别为82．9％，66．7％，50．0％，63．7％及100％，HBV感染率在上述疾病分别为：38．3％，36.7％，27．2％及33．3％．十二指肠溃疡出血占所有出血例数的66．2％（P＜0．01）．Hp阳性患者占所有出血患者的77．4％（P＜0．01）．采用根除Hp短程三联疗法，能促进止血，提高疾病治愈率．结论①十二指肠溃疡仍是上消化道出血的主要原因，②Hp阳性胃肠炎及消化性溃疡具有更高的出血性，③HBV在胃十二指肠疾病的发生及发展中可能具有一定的作用，④根除Hp对于迅速止血，促进疾病愈合及防止复发及再出血有重要意义．     

CagA基因菌株Hp与胃、十二指肠疾病

目的通过检测胃、十二指肠疾病患者的幽门螺杆菌（Hp和CagA-Hp-IgG（细胞毒素相关蛋白抗体），探讨CagA基因菌株Hp与胃、十二指肠疾病的相关性。方法206例因胃肠症状在门诊、住院就诊者，男143例，女63例，年龄18岁～76岁．在内镜检查同时取胃粘膜组织4块，十二指肠溃疡者取距幽门1cm～2cm大弯侧，胃溃疡取溃疡边缘处，胃炎取炎症区．2块进病理检查，2块分别用尿素酶快速试验及用PCR法检测Hp，同时抽取静脉血3mL作CagA-Hp-IgG抗体检测．结果用尿素酶快速试验及PCR法检出Hp阳性者180例，男性感染率91％，女性78％，二者差异显著（P＜0．005），各年龄组构成无明显差异．两种检测方法的检出率无明显差异（P＞0．05）．检出CagA-Hp-IgG阳性者95例，在Hp感染组中阳性率89／180（50％），非感染组阳性率6／26（23％），二者差异显著（P＜0．05）．感染组CagA阳性者中，十二指肠球部溃疡44／55（80％），胃溃疡21／34（61％），慢性胃炎24／91（26％），三者差异明显（P＜0．025）．病理结果为轻、中、重度炎症CafA-Hp阳性率分别为25％，56％，70％，三者差异显著（P＜0．005）．结论CagA基因菌株Hp较CagA阴性菌株Hp具有更强的导致炎症的作用．CagA基因Hp是十二指肠球部溃疡、胃溃疡的重要发病因素．     

吐鲁番地区400例上消化道疾病患者幽门螺杆菌感染情况调查报告

目的 总结新疆吐鲁番地区上消化道疾病患者幽门螺杆菌（Hp）感染的检测情况。方法 用纤维胃镜和快速尿素酶试验对400例上消化道疾病患者的Hp感染进行分析。结果 400例上消化道疾病患者的Hp检出率为58．25％。上消化道疾病的检出率依次为：十二指肠溃疡74．3％（52／70），胃溃疡72．0％（18／25）、胃癌70．0％（7／10），慢性萎缩性胃炎63．0％（29／46）、慢性浅表性胃炎50．2％（118／235）。不同上消化道疾病的Hp检出率以多样本率比较，差异有统计学意义（X^2=16．558，P〈0．005）。十二指肠溃疡和胃溃疡与慢性浅表性胃炎比较，差异有统计学意义（X^=12．669，P〈0．001；X^2=4．300，P〈0．05）。不同性别、年龄、族别的Hp检出率差异无统计学意义（X^2=3．705，P〉0．05；X^2=3．688，P〉0．05；X^2=1.145 P〉0.05）.结论 消化性溃疡与Hp感染有密切相关，种族与Hp感染无关。     

老年人消化性溃疡与却感染、服用非甾体消炎药的关系

目的 探讨老年人消化性溃疡（PU）及其常见并发症出血与幽门螺杆菌（Hp）感染、服用非甾体消炎药（NSAIDs）之间的关系。方法 采用病例对照分析方法，收集60岁以上老年消化性溃疡病（PUD）连续住院患者784例为研究组．再根据有无并发出血将研究组分为出血亚组（416例）与非出血亚组（368例）：选同期住院的60岁及以上老年慢性胃炎患者261例为对照组．所有患者均经胃镜明确诊断．并进行Hp快速尿素酶试验．统计患者NSAIDs的服用情况。结果 ①研究组服用NSAIDs的百分率及坳感染率均显著高于对照组（P〈0．05）；②研究组出血亚组服NSAIDs者的Hp阳性率（22．6％）低于未服NSAIDs者（73．8％）（P〈0．05）；③非出血亚组服NSAIDs者的Hp阳性率（30．0％）低于未服NSAIDs者（82．0％）（P〈0．05）；④研究组出血亚组中无论胃溃疡（Gu）还是十二指肠溃疡（Du）患者服用NSAIDs百分率均高于非出血亚组（P〈0．05）；出血亚组中GU患者却感染率（62％）比非出血组（82．5％）明显降低（P〈0．05），而出血亚组中DU患者Hp感染率（66．7％）与非出血组（70．6％）比较无明显差别（P〉0．05）。结论 ①老年人PUD的发病与Hp感染及服用NSAIDs密切相关，②服用NSAIDs可以增加老年PUD出血的危险性，而Hp感染并不增加老年PUD出血的危险性。③老年人PUD（不论出血和非出血）服NSAIDs者坳感染率降低。     

上消化道疾病幽门螺杆菌感染临床分析

目的调查分析上消化道疾病幽门螺杆菌（Hp）感染情况．方法经内镜胃窦活检粘膜用快速尿素酶测定法及细菌学涂片法对3318例受检者检测Hp，而后对各种上消化道疾病Hp阳性率进行临床分析．Hp感染评判标准：上述二项检测法中凡有一项阳性即为Hp阳性；二项均阴性则为Hp阴性．结果3318例受检者中慢性活动性胃炎847例，慢性非活动性胃炎1213例，活动性十二指肠溃疡597例，愈合期十二指肠溃疡198例，活动性胃溃疡187例，愈合期胃溃疡44例，复合性溃疡77例，胃癌34例，残胃53例，正常胃粘膜68例．其Hp阳性率分别为81．7％，22．3％，76．7％，61.6％,68．5％，50％，74％，41．2％，32％，29％．统计结果显示，慢性活动性胃炎、消化性溃疡及胃癌的Hp阳性率明显高于慢性非活动性胃炎．X2检验P＜0．05．差异有高度显著性．结论本文证实慢性活动性胃炎、消化性溃疡及胃癌与Hp感染密切相关．     

Peptic ulcer bleeding: is Helicobacter pylori a risk factor in an endemic area?

BACKGROUND/OBJECTIVE: A high prevalence of Helicobacter pylori infection has been reported in Iran. Although the importance of H. pylori in the induction of peptic ulcer disease is clearly defined, only few studies have addressed its role in bleeding from peptic ulcers. We evaluated the role of H. pylori in peptic ulcer bleeding. METHODS: Patients with acute peptic ulcer bleeding (PUB) and those with peptic ulcer disease without bleeding ('controls') were enrolled. Upper GI endoscopy and rapid urease test were performed in both groups. Histological study for detection of H. pylori was performed in patients with active bleeding, if RUT was negative. Other variables evaluated included sex, age, smoking, previous history of bleeding, non-steroidal anti-inflammatory drugs use, ulcer size, ulcer location, and duration of acid-peptic disease. Multivariate logistic regression analysis was performed to identify independent risk factors. RESULTS: 161 patients with PUB and 287 control patients were enrolled. H. pylori infection was seen more frequently in patients with duodenal ulcer than gastric ulcer (88.9% vs. 60.5%, p< 0.001). Univariate analysis showed that patients with PUB were more often male, older in age, used NSAID, had history of PUB in the past, had ulcer located in the stomach and not in the duodenum, and more often had large ulcer (>1 cm). Logistic regression analysis showed that H. pylori infection was protective in PUB after controlling for confounders (OR 0.41, 95% CI 0.21-0.79), when ulcer location was not entered in the model. A second model including ulcer location (to test for a residual effect) showed that H. pylori infection was not a significant risk factor in PUB (OR 0.61, 95% CI 0.30-1.24). CONCLUSIONS: H. pylori may not be an independent factor in bleeding from peptic ulcers. The lower frequency of this infection in these patients can be described by the higher frequency of bleeding from gastric ulcers, which are less H. pylori related compared with duodenal ulcer.     

肝硬化上消化道出血和幽门螺杆菌感染的相关性研究

目的研究肝硬化患者幽门螺杆菌感染和上消化道出血之间的关系.方法肝硬化患者160例,内镜检查了解食管静脉曲张和消化性溃疡的发生情况及出血的原因,同时胃粘膜活检作尿素酶试验,检测幽门螺杆菌(Hp).结果Hp阳性组消化性溃疡发生率(64.1%)明显高于阴性组(37.8%,P＜0.01).出血率在Hp阳性组(38.5%)也明显高于阴性组(22%,P＜0.05).结论Hp感染和肝源性溃疡发生有关,Hp感染者的肝源性溃疡发生率增高及胃粘膜活动性炎症可能导致出血率升高,根除Hp有可能降低肝硬化上消化道出血.     

A negative rapid urease test is unreliable for exclusion of Helicobacter pylori infection during acute phase of ulcer bleeding: A prospective case control study

BACKGROUND: The reliability of the rapid urease test has not been proven in patients with peptic ulcer bleeding. Some studies show bad diagnostic results with the rapid urease test for gastrointestinal bleeding. AIMS: To evaluate the efficacy of the rapid urease test in patients with bleeding gastric or duodenal ulcers. PATIENTS AND METHODS: A total of 96 patients with acute peptic ulcer bleeding without proton pump inhibitor or antibiotic therapy within the last 14 days before bleeding were included into the study. During index endoscopy, specimens for histological and rapid urease test were obtained from the antrum and corpus mucosa of the stomach. Patients were also investigated by the 13C-urea breath test. Diagnostic quality parameters were calculated with the histology and the 13C-urea breath test as reference and compared with a matched control group with uncomplicated ulcers. RESULTS: The sensitivity of the rapid urease test was 80% and the specificity 100% compared to histology and 13C-urea breath test. The negative predictive value was 75%. These values were statistically significantly different from those of the control group (sensitivity 96%, specificity 100%, negative predictive value 88%). CONCLUSION: The exclusive use of the rapid urease test cannot be recommended in patients with peptic ulcer bleeding.     

非甾体抗炎药相关性溃疡并出血的临床特点

目的 研究非甾体抗炎药(NSAIDs)相关性胃十二指肠溃疡并出血的临床特点。方法 调查我院1997年1月-2001年12月间因胃十二指肠溃疡并出血收住院治疗患者的临床资料,根据人院前1周内有无服用NSAIDs史将患者分为2组,对2组病人的临床资料进行分析比较。结果 本研究共纳入446例患者,其中服药组86例,未服药组360例。2组病人在性别、出血方式、既往消化性溃疡史、胃及十二指肠溃疡的具体部位、糜烂,以及是否需要内镜治疗等方面的差异无显著性。但是服药组患者的年龄较未服药组更高,血红蛋白在服药组下降更明显(P＝0.004);胃溃疡和复合溃疡、多发溃疡在服药组更多见(P＜0．001),而未服药组幽门螺杆菌(Hp)的感染率较服药组更高,分别为72．5％和53.4％(P＝0.001)。进一步的研究发现,患者年龄和Hp感染状态对NSAIDs相关溃疡并出血的临床特点无明显影响。结论 应加强对NSAIDs相关性胃十二指肠溃疡并出血临床特点的认识,尽量减少NSAIDs的不良反应。     

Genotypes of Helicobacter pylori in patients with peptic ulcer bleeding

AIM: Helicobacter pylori causes chronic gastritis, peptic ulcer, gastric cancer and MALT-lymphoma. Different genotypes of Helicobacter pylori are confirmed from diverse geographic areas. Its association with bleeding peptic ulcer remains controversial. The aim of this study was to investigate the Helicobacter pylori vacA alleles, cagA and iceA in patients with bleeding peptic ulcer. METHODS: We enrolled patients with bleeding, non-bleeding peptic ulcers and chronic gastritis. Biopsy specimens were obtained from the antrum of the stomach for rapid urease test, bacterial culture and PCR assay. DNA extraction and polymerase chain reaction were used to detect the presence or absence of cagA and to assess the polymorphism of vacA and iceA. RESULTS: A total of 168 patients (60.4%) (25 patients with chronic gastritis, 26 patients with bleeding gastric ulcer, 51 patients with non-bleeding gastric ulcer, 26 patients with bleeding duodenal ulcer, and 40 patients with non-bleeding duodenal ulcer) were found to have positive PCR results between January 2001 and December 2002. Concerning genotypes, we found cagA (139/278, 50%), vacA s1a (127/278, 45.7%), and ice A1 (125/278, 45%) predominated in all studied patients. In patients with bleeding peptic ulcers, vacA s1a and m1T were fewer than those in patients with non-bleeding peptic ulcers (37/106 vs 69/135, P=0.017, and 4/106 vs 21/135, P =0.002). CONCLUSION: In patients with peptic ulcers, H pylori vacA s1a and m1T prevent bleeding complication.     

Diagnosis of Helicobacter pylori in bleeding peptic ulcer patients,evaluation of urea-based tests

BACKGROUND/AIMS: The prevalence of Helicobacter pylori (Hp) has been reported to be lower in patients with bleeding peptic ulcers than in patients with nonbleeding peptic ulcers. This might be due to inaccuracy of the urease-based diagnostic tests when used in patients with bleeding peptic ulcers. The aims of this study were to compare the validity of the rapid urease test (RUT) and (13)C-urea breath test in patients with bleeding (group 1) and nonbleeding peptic ulcers (group 2) and to examine whether the presence of blood in the stomach influences the validity of urease-based tests. METHODS: 95 consecutive patients with bleeding peptic ulcers (48 with and 47 without blood in the stomach) and 44 with uncomplicated peptic ulcers. Biopsies for RUT and histology were obtained during endoscopy. After endoscopy a (13)C-urea breath test was performed. Positive histology was used as 'gold standard' defining positive Hp-status. RESULTS: The prevalence of Hp-infection was 44/95 (46%) in group 1 and 29/44 (66%) in group 2 (p = 0.04). The sensitivities and specificities of RUT, (13)C-urea breath test and serology (control) were between 0.72 and 0.96; no difference was found between the groups. In group 1 the sensitivity of the RUT decreased from 0.96 when no blood was present to 0.60 when blood was present (p = 0.006). The sensitivity of (13)C-urea breath test was not affected by blood in the stomach. CONCLUSION: When comparing patients with bleeding and nonbleeding peptic ulcers, we did not find any difference in either sensitivity or specificity of the diagnostic tests for Hp. However, the sensitivity of the RUT was lower when blood was present in the stomach, which was the case in only half of the patients. The sensitivity and specificity of the (13)C-urea breath test was not affected by the presence of blood in the stomach.     

幽门螺杆菌感染根除与老年消化性溃疡发生、复发关系的研究

目的　探讨老年消化性溃疡发生、复发与幽门螺杆菌 (Hp)感染的关系。方法　应用 PCR法对 78例老年性消化性溃疡幽门螺杆菌感染及幽门螺杆菌感染根除治疗后半年、 1年幽门螺杆菌再感染者进行了测定。结果　幽门螺杆菌检出率老年组明显高于青年组 ,Hp根治率青年组明显高于老年组 ,经 Hp根除治疗组溃疡愈合率明显高于未根除治疗组。结论　老年消化性溃疡发生与幽门螺杆菌感染密切相关 ,在溃疡治疗中 ,根除 Hp感染对减少溃疡复发具有重要临床意义     

乙型肝炎病毒感染与消化性溃疡的关系

目的探讨乙型肝炎病毒（ＨＢＶ）感染与消化性溃疡（ＰＵ）之间的关系及其在ＰＵ形成中的作用机制．方法１９８９１０／１９９５０９因消化道症状而进行内镜检查及血清ＨＢＶＭ检测的３３４例患者，并对结果进行统计学处理分析．结果在３３４例患者中有４６例感染了ＨＢＶ，列为ＨＢＶ感染组，检出ＰＵ１９例（４１３％），其余２８８例列为ＨＢＶ非感染组，检出ＰＵ６６例（２２９％），两组有极显著差异（Ｐ＜００１）．在３３４例患者中有ＰＵ８５例，列为ＰＵ组，血清ＨＢＶＭ阳性率为２２４％，其中胃溃疡（ＧＵ）３１例（３６５％），十二指肠溃疡（ＤＵ）３５例（４１２％），复合性溃疡（ＣＵ）１９例（２２３％），ＧＵ，ＤＵ及ＣＵ血清ＨＢＶＭ阳性率分别为２５８％（８／３１），２２９％（８／３５）及１５８％（３／１９），三组相互间比较无显著性差异（Ｐ＞００５）；其余２４９例列为非ＰＵ组，血清ＨＢＶＭ阳性率１０８％，两组有极显著差异（Ｐ＜００１）．ＰＵ组与全国城市人群标化ＨＢＶＭ阳性率７９％比较有极显著差异（Ｐ＜００１）．结论ＨＢＶ感染与ＰＵ关系密切，是参与ＰＵ发病的一个因素．     

Seasonal variation of peptic ulcer disease,peptic ulcer bleeding,and acute pancreatitis: A nationwide population-based study using a common data model

Although gastrointestinal diseases are reported at various times throughout the year, some particular seasons are associated with a higher incidence of these diseases. This study aimed to identify the seasonal variations of peptic ulcer (PU), peptic ulcer bleeding (PUB), and acute pancreatitis (AP) in South Korea.We conducted a retrospective, observational cohort study of all subjects aged >18 years between 2012 and 2016 using the Health Insurance Review and Assessment-National Patient Samples database, previously converted to the standardized Observational Medical Outcomes Partnership-Common Data Model. We assessed the overall seasonal variations of PU, PUB, and AP and further analyzed seasonal variations according to age and sex subgroups.In total, 14,626 patients with PU, 3575 with PUB, and 9023 with AP were analyzed for 5 years. A clear seasonal variation was noted in PU, with the highest incidence rate during winter, the second highest during spring, the third highest during summer, and the lowest incidence during autumn for 5 years (P < .001). PUB also showed significant seasonal fluctuations, with winter peak for 4 years, except 1 year, which had a spring peak (P < .001). However, AP showed no clear seasonal variations (P = .090). No significant differences in the seasonal variation of PU, PUB, and AP were observed according to sex and age subgroups (<60 years vs ≥60 years).Seasonal variation of PU and PUB should be considered when determining allocation of available health care resources.     

年龄相关性消化性溃疡与幽门螺杆菌感染及胃肠激素关系的研究

目的 :探讨各年龄段消化性溃疡 (PU)发病机制的特点。方法 :对不同年龄的 PU患者通过尿素酶和放射免疫学方法检测幽门螺杆菌 (Hp)及血清与胃液中胃泌素 (GAS)、表皮生长因子 (EGF)、内皮素 - 1(ET- 1)的水平。结果 :溃疡组与胃炎组相比 ,餐后血清 GAS水平增高 ,血清及胃液 EGF水平下降 (P<0 .0 5 ) ;Hp阳性组与 Hp阴性组相比 ,餐后血清 GAS水平增高 ,而血清及胃液 EGF水平下降 (P<0 .0 5 ) ;不同年龄组 PU(从低到高 )相比 ,空腹血清 GAS水平随年龄的增大而逐渐升高 (P<0 .0 5 ) ,餐后血清 GAS水平均增高 ,但差异无显著性意义 (P>0 .0 5 ) ,血清及胃液 EGF水平均降低 (P<0 .0 5 ) ,血清 ET- 1水平随年龄的增大逐渐升高 (P<0 .0 5 )。结论 :在不同年龄阶段 ,与 PU的发病机制有关的血清 GAS、EGF、ET- 1及 Hp感染等因素存在相似作用 ,但有程度上的差别 ,这对临床确定治疗方案具有一定指导意义。