A COMPARATIVE STUDY OF HEMATOXYLIN & EOSIN, SPECIAL STAINS AND IMMUNOHISTOCHEMISTRY FOR DETECTION OF HELICOBACTER PYLORI IN CASES OF GASTRITIS

2021 ◽  
pp. 21-24
Author(s):  
Umasankari. L. Ramasamy ◽  
Manjula Rajendran
Keyword(s):  
Helicobacter Pylori ◽  
Peptic Ulcer ◽  
Toluidine Blue ◽  
Cost Effective ◽  
Biopsy Specimens ◽  
Gastric Biopsies ◽  
Hematoxylin And Eosin ◽  
Hematoxylin Eosin ◽  
Upper Gastrointestinal

Background: The role of Helicobacter Pylori in the pathogenesis of Gastritis-Peptic ulcer syndrome and its association with the development of upper gastrointestinal tract malignancy warrant efcient method for the identication of the bacteria in biopsy specimens. Four methods - Hematoxylin and Eosin, Giemsa, Toluidine Blue and Immunohistochemistry were compared to detect the presence of Helicobacter pylori. The prevalence of H.Pylori in gastric biopsies was also evaluated. Aim Of The Study: The aim is to evaluate the prevalence of H.Pylori in cases of gastritis and compare the efcacy of Hematoxylin and Eosin, Giemsa , Toluidine blue and Immunohistochemistry for the detection of H.pylori in cases of gastritis. Materials And Methods: This Retrospective study was done in the Department of Pathology. A total of 40 cases of gastritis were randomly selected for this study and all the four methods were applied. Results: Helicobacter pylori infection showed an overall prevalence rate of about 75%. When compared with Immunohistochemistry, Sensitivity and specicity of Hematoxylin and Eosin was 66.67% and 100% respectively. Giemsa showed sensitivity of about 86.67% and specicity of about 100%. Toluidine blue showed sensitivity of about 80% and specicity of about 100%. Conclusion: Hence in the present study Giemsa was more reliable and cost effective stain when compared with Hematoxylin & Eosin, Toluidine blue and immunohistochemistry. However, Immunohistochemistry carries the highest level of sensitivity in the detection of Helicobacter Pylori especially when the density of organism is low and in clinically suspected cases of Helicobacter Pylori with negative Giemsa staining

scholarly journals The Prevalence of Helicobacter Pylori babA, homB, aspA, and sabA Genes and Its Relationship with Clinical Outcomes in Turkey

2019 ◽  
Vol 2019 ◽  
pp. 1-7 ◽  
Author(s):  
Nimet Yılmaz ◽  
Meltem Koruk Özer
Keyword(s):  
Helicobacter Pylori ◽  
Peptic Ulcer ◽  
Turkish Population ◽  
Polymerase Chain Reaction Analysis ◽  
Gram Staining ◽  
Oxidase Test ◽  
Polymerase Chain ◽  
H Pylori ◽  
Upper Gastrointestinal

Background and Aims. The cag A and vac A genes ofHelicobacter pylori (H. pylori)are closely associated with the pathogenicity of bacteria. However, the significance of H. pyloribabA, homB, aspA, andsabAgenes is not clear in phenotypic characteristics of virulence. This study aimed to investigate the frequency and importance of these genes in patients with H. pylori positive peptic ulcer (PU).Materials and Methods. Patients with a PU or nonulcer dyspepsia (NUD) based on the upper gastrointestinal (UGI) endoscopy findings were included in the study. Biopsy samples from antrum and corpus were cultured into Columbia agar.H pyloriwere characterized by urease, catalase, oxidase test, and gram staining. Genomic DNA was extracted and stored. ThebabA, homB, aspA, andsabAgenes were determined by using polymerase chain reaction analysis.Results. A total 214 patients were included (99 PU and 115 NUD) and H. pylori could be isolated in 82 patients (36 PU and 46 NUD). The frequency of thebabA(25% vs. 15.2%, p=0.25),homB(2.7% vs. 4.3%, p=1),aspA(69.4% vs. 73.9%, p=0.2), andsabA(2.7% vs. 10.8%, p=0.88) genotypes was not different between PU and NUD patients. There were some correlations between the presences of these genes.Conclusion. This study managed to determinebabA, homB, aspA,andsabA genes ofH. pylori by PCR. However, the frequency of these factors was not different in patients with PU and NUD. There is no role ofbabA, homB, aspA, andsabA genesfor the development of peptic ulcer in Turkish population.

scholarly journals Epidemiology of upper gastrointestinal bleeding and Helicobacter pylori infection: review of 3,488 Thai patients

2017 ◽  
Vol 9 (1) ◽  
pp. 87-93
Author(s):  
Sakolwan Suchartlikitwong ◽  
Kamolyut Lapumnuaypol ◽  
Rungsun Rerknimitr ◽  
Duangporn Werawatganon
Keyword(s):  
Helicobacter Pylori ◽  
Peptic Ulcer ◽  
Gastrointestinal Bleeding ◽  
Upper Gastrointestinal Bleeding ◽  
Helicobacter Pylori Infection ◽  
Exclusion Criteria ◽  
Common Causes ◽  
Mucosal Lesions ◽  
H Pylori ◽  
Upper Gastrointestinal

Abstract Background The current epidemiology of upper gastrointestinal bleeding (UGIB) in Thailand is poorly understood and the reported prevalence of Helicobacter pylori infection is outdated. Objectives To investigate the etiologies of UGIB and prevalence of H. pylori infection in Thailand, including its association with UGIB. Methods We retrieved information regarding patients attending the endoscopic unit of King Chulalongkorn Memorial Hospital from June 2007 to January 2013. A database search using keywords “upper gastrointestinal bleeding” and “iron deficiency” was used. From 4,454 diagnoses, after exclusion criteria, 3,488 patients (2,042 male (58.5%) and 1,446 female (41.5%); mean age 63.3 ± 15.94 years, range 13–103 years) were included. Results The three most common causes of UGIB were peptic ulcer (38.2%), nonulcer-mucosal lesions (23.4%), and esophageal-related causes (20.4%). The 5 year-incidence of H. pylori was 25%–30%. The overall prevalence was 27%. The prevalence of H. pylori infection was found to decrease with age from 43.8% at <40 years to 21.7% at >79 years old. H. pylori infection was significantly associated with duodenal and gastroduodenal ulcers. Cirrhosis and nonulcer-mucosal lesions were significantly unrelated to H. pylori infection. Patients with concurrent cirrhosis with peptic ulcer were found to be negative for H. pylori infection. Conclusion Peptic ulcer is the leading cause of UGIB in Thailand. However, its incidence is declining. Patients who presented to hospital with UGIB were older, compared with those a decade ago. H. pylori infection plays an important role in UGIB and its incidence was stable during the past 5 years.

scholarly journals Evaluation of Better Staining Method among Hematoxylin and Eosin, Giemsa and Periodic Acid Schiff-Alcian Blue for the Detection of Helicobacter pylori in Gastric Biopsies

2020 ◽  
Vol 27 (5) ◽  
pp. 53-61
Author(s):  
Abdullah Saleh Alkhamiss
Keyword(s):  
Helicobacter Pylori ◽  
Alcian Blue ◽  
National Guard ◽  
Periodic Acid ◽  
Giemsa Stain ◽  
Periodic Acid Schiff ◽  
Gastric Biopsies ◽  
Hematoxylin And Eosin ◽  
H Pylori ◽  
Sensitivity Specificity

Background: This study was undertaken to evaluate the preferred method (Giemsa or periodic acid Schiff-Alcian blue [PAS-AB] stains) of detecting Helicobacter pylori (H. pylori) in gastric mucosal biopsies in terms of sensitivity, specificity and applicability. To the best of my knowledge, this is the first report comparing Giemsa and PAS-AB staining for the detection of H. pylori in such biopsies. Methods: The formalin-fixed paraffin-embedded blocks of 49 gastric biopsies from different patients were collected from the archive of anatomical pathology at King Abdulaziz Medical City, National Guard, Riyadh, Saudi Arabia. From each block, three slides were prepared and analysed using the hematoxylin and eosin (H&E), Giemsa and PAS-AB stains to detect the presence/absence of H. pylori, and the results were compared in terms of sensitivity, specificity and applicability. Results: The majority of the biopsies in this study showed antrum-type gastric mucosa. Only 15 biopsies showed active gastritis, whereas the rest showed chronic gastritis. Three biopsies showed intestinal metaplasia. All were detected by PAS-AB stain, but only two-thirds were detected by H&E stain. Fifteen gastric biopsies showed H. pylori infection in general and in 13 of them, active gastritis cases were discovered. Fourteen out of these 15 H. pylori infection cases were detected by Giemsa stain, whereas only 13 cases were detected by H&E stain. PAS-AB stain showed the worst results since it demonstrated only 40% sensitivity and 67.65% specificity in H. pylori detection. Conclusion: Giemsa stain has better sensitivity and specificity in gastric H. pylori infection detection than PAS-AB. Therefore, using PAS-AB stain to detect H. pylori infection is not recommended.

Upper GI Bleed, Etiology, Role of Endoscopy in Rural Population of Punjab

2010 ◽  
Vol 1 (3) ◽  
pp. 55-68 ◽  
Author(s):  
Ravinder Singh Malhotra ◽  
K. S. Ded ◽  
Arun Gupta ◽  
Darpan Bansal ◽  
Harneet Singh
Keyword(s):  
Peptic Ulcer ◽  
Gastrointestinal Bleeding ◽  
Upper Gastrointestinal Bleeding ◽  
Common Cause ◽  
Endoscopic Techniques ◽  
Gi Bleed ◽  
Upper Gastrointestinal ◽  
Common Variable ◽  
Important Progress

Haematemesis and malena are the two most important symptoms of upper gastrointestinal bleeding . The most common cause of upper gastrointestinal bleeding is due to a peptic ulcer. In this paper, the authors research the cause of bleeding. Contrary to previous studies, results favor esophageal varices, e.g., alcoholism or cirrhosis liver post necrotic, as the most common cause of bleeding rather than a peptic ulcer. The authors’ study is based on an observational retrospective protocol with records of 50 consecutive patients with GI bleeding, attending the emergency room from February 2007 until September 2009. Results show that the treatment of UGI bleeding has made important progress since the introduction of emergency endoscopy and endoscopic techniques for haemostasis. The application of specific protocols significantly decreases rebleeding and the need for surgery, whereas mortality is still high. The data highlight the decreasing trend of peptic ulcer as the sole cause of bleeding, as shown in previous literature, ascertaining that varices are now the most common variable.

scholarly journals Role of Helicobacter pylori in Upper Gastrointestinal Bleeding Among Ischemic Stroke Hospitalizations: A Nationwide Study of Outcomes

2019 ◽  
Vol 1 (3) ◽  
pp. 358-371
Author(s):  
Urvish K. Patel ◽  
Mihir Dave ◽  
Anusha Lekshminarayanan ◽  
Nidhi Patel ◽  
Abhishek Lunagariya ◽  
...  
Keyword(s):  
Helicobacter Pylori ◽  
Ischemic Stroke ◽  
Risk Stratification ◽  
Gastrointestinal Bleeding ◽  
Health Care Cost ◽  
Upper Gastrointestinal Bleeding ◽  
Increased Risk ◽  
H Pylori ◽  
Upper Gastrointestinal

Introduction: Helicobacter pylori (H. pylori) is a well-recognized risk factor for upper gastrointestinal bleeding (UGIB). The exposure to tissue plasminogen activator (tPA), anti-platelets, and anticoagulants increases the risk of UGIB in acute ischemic stroke (AIS) patients, the risk stratification of H. pylori infection is not known. In this retrospective cross-sectional study, we aimed to evaluate the relationship between H. pylori and GIB in patients hospitalized with AIS. Methods: In the nationwide data, hospitalization for AIS was identified by primary diagnosis using International Classification of Diseases, clinical modification (ICD-9-CM) codes. Subgroup of patients with GIB and H. pylori were identified in AIS cohort. A stepwise multivariable logistic regression model was fitted to evaluate the outcome of upper GIB and role of H. Pylori in UGIB. Results: Overall 4,224,924 AIS hospitalizations were identified, out of which 18,629 (0.44%) had UGIB and 3122 (0.07%) had H. pylori. The prevalence of H. pylori-induced UGIB among UGIB in AIS was 3.05%. The prevalence of UGIB was markedly elevated among the H. pylori infection group (18.23% vs. 0.43%; p < 0.0001) compared to the non-H. pylori group. In multivariable regression analysis, H. pylori was associated with markedly elevated odds of UGIB (aOR:27.75; 95%CI: 21.07–36.55; p < 0.0001). Conclusion: H. pylori infection had increased risk-adjusted occurrence of UGIB amongst the AIS hospitalized patients. H. pylori testing may improve risk stratification for UGIB and lower the health care cost burden in stroke hospitalization.

H. pylori and transient lower esophageal sphincter relaxations induced by gastric distension in healthy humans

2001 ◽  
Vol 281 (2) ◽  
pp. G350-G356 ◽  
Author(s):  
Frank Zerbib ◽  
Valérie Bicheler ◽  
Véronique Leray ◽  
Madeleine Joubert ◽  
Stanislas Bruley des Varannes ◽  
...  
Keyword(s):  
Helicobacter Pylori ◽  
Lower Esophageal Sphincter ◽  
Proinflammatory Cytokine ◽  
Healthy Subjects ◽  
Gastric Distension ◽  
Healthy Humans ◽  
Biopsy Specimens ◽  
Esophageal Sphincter ◽  
H Pylori

The role of Helicobacter pylori infection in the control of lower esophageal sphincter (LES) motility, especially the occurrence of transient LES relaxations (TLESRs), was studied in eight H. pylori-positive and eight H. pylori-negative healthy subjects. During endoscopy, biopsy specimens were taken from the cardia, fundus, and antrum for determinations of H. pyloristatus, gastritis, and proinflammatory cytokine mucosal concentrations. LES motility was monitored during three different 30-min periods: baseline, gastric distension (barostat), and gastric distension with CCK infusion. Gastric distension significantly increased the TLESR rate, whereas CCK increased the rate of distension-induced TLESRs further and reduced resting LES pressure without significant differences between infected and noninfected subjects. H. pylori status did not influence resting LES pressure or gastric compliance. Cytokine mucosal concentrations were increased in infected patients, but no correlation was found with the TLESR rate, which was also independent of inflammation at the cardia, fundus, and antrum. These results suggest that H. pylori-associated inflammation does not affect the motor events involved in the pathogenesis of gastroesophageal reflux.

Role of Th22 cells in Helicobacter pylori-related gastritis and peptic ulcer diseases

2019 ◽  
Vol 46 (6) ◽  
pp. 5703-5712 ◽  
Author(s):  
Ahmad Sanaii ◽  
Hedayatollah Shirzad ◽  
Mehrnoosh Haghighian ◽  
Ghorbanali Rahimian ◽  
Amin Soltani ◽  
...  
Keyword(s):  
Helicobacter Pylori ◽  
Peptic Ulcer ◽  
Th22 Cells
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