scholarly journals Overview of Helicobacter pylori Detection Using Rapid Urease Test and Giemsa Modification Staining in Chronic Tonsillitis Patients

2020 ◽  
Vol 8 (B) ◽  
pp. 1105-1109
Author(s):  
Ade Asyari ◽  
Ferdy Azman ◽  
Novialdi Novialdi ◽  
Aziz Djamal ◽  
Hafni Bachtiar ◽  
...  

BACKGROUND: Helicobacter pylori (H. pylori) is a Gram-negative bacteria and has been known for its role in causing gastric infection aused diseases such as gastric ulcer. H. pylori also implied to play a role in chronic tonsillitis, but this theory remains controversial. Many researches have different and contradictory results due to difficulty to accurately detect H. pylori in tonsillar tissue. There is still no appropriate method that able to detect H. pylori in tonsil tissue. AIM: The aim of the study was to detect H. pylori colonization in chronic tonsillitis and understand some of the methods of examination that can be done to detect H. pylori in tonsillar tissue. METHODS: This study is a descriptive study conducted on 25 respondents. Each sample was taken from patients with chronic tonsillitis who underwent tonsillectomy. Then, the rapid urease test (RUT) and the Giemsa modification staining were carried out to determine the presence of H. pylori. RESULTS: There were 19 people (76%) positive and 6 people (24%) negative for H. pylori using RUT. On examination with Giemsa modification staining obtained 19 people (76%) positive and 6 people (24%) negative for H. pylori. CONCLUSION: H. pylori can be found in most of chronic tonsillitis. Combination RUT and Giemsa modification staining examination can be a good option in detecting H. pylori in chronic tonsillitis.

2019 ◽  
Vol 27 (1) ◽  
pp. 60-64
Author(s):  
Abhishek Singh ◽  
Santosh Uttarkar Pandurangarao ◽  
Aravind Darga Ramchandra ◽  
Sridurga Janarthanan

Introduction : Chronic tonsillitis is characterized by persistent inflammation of the palatine tonsils and seen commonly in patients attending ENT OPD. Bacterial infection is usually the cause but anaerobes and viruses may also be implicated. The possibility that tonsillar tissue possesses Helicobacter pylori or that H. pylori can colonize the palatine tonsils is explored. Materials and Methods : Hundred patients aged between 5-50 years of either sex diagnosed with chronic tonsillitis undergoing elective tonsillectomy and willing to participate in the study were selected. Informed and written consent was taken from all the patients (in case of minor patients, consent was taken from parents). Specimen (tonsillar tissue) was harvested from the surgically removed tonsils  and put through Rapid urease test. The results were analysed statistically using Chi square test and Unpaired t test and inference was drawn. Results : Amongst 100 patients, 61 (61%) patients were females and 39 (39%) patients were males. Helicobacter pylori could be detected in Chronic Tonsillitis in 64 (64%) patients. Conclusion : According to our study, Helicobacter pylori was found to be a common finding in cases of chronic tonsillitis. Even after regular treatment with antibiotics, the chances of getting acute  infection in chronic tonsillitis still persist. We can try treatment for H. pylori and look for changes in recurrence of tonsillitis and also it can be tried in patients who are not willing/fit to undergo tonsillectomy.


Author(s):  
Vellamparambil Sreejaraj ◽  
Paul Vazhapilly Sumam ◽  
Verghese Nevil ◽  
Karuthedath Sridevi ◽  
Ariyamparampil Rajagopalan Vinayakumar

<p class="abstract"><strong>Background:</strong> Human stomach is not the only reservoir of <em>Helicobacter pylori</em> but it has been detected in dental plaques, oral lesions and saliva. It could play role in the pathogenesis of various otorhinolaryngologic problems and remains debatable. This study was aimed to find out the prevalence of <em>H. pylori</em> in tonsillar tissue of patients with chronic tonsillitis by rapid urease test in a tertiary hospital in Kerala.</p><p class="abstract"><strong>Methods:</strong> Prospective cross sectional study was done in patients who attended the outpatient department of ENT with a history suggestive of chronic tonsillitis. The patient satisfied the criteria for chronic recurrent tonsillitis were subsequently posted for tonsillectomy. Each specimen was subjected to rapid urease test.  </p><p class="abstract"><strong>Results:</strong> Total 228 patients were included in this study with age ranging between 3 and 31 years (10.0±7.1), with most common age being &lt;10 years in 159 patients (69.7%). Male to female ratio was 1.4:1. Among these, the presence of <em>H. pylori</em> was seen in only 6/228 patients.</p><p class="abstract"><strong>Conclusions:</strong> The possibility of tonsillar tissue acting as a reservoir for <em>H. pylori </em>infection is very low.</p>


2020 ◽  
Vol 29 (3) ◽  
pp. 59-64
Author(s):  
Hanaa M. El Maghraby ◽  
Samar Mohaseb

Background: Metronidazole is one of the antimicrobial drugs that can be used in combination with other drugs for eradication of Helicobacter pylori (H. pylori).Unfortunately, metronidazole resistance in H. plori is an increasing health problem which may be attributed to inactivation of many genes as rdx A gene. Objective: To determine the frequency of rdx A deletion mutation in H. pylori detected in infected patients attending at the Gastroenterology Unit, Zagazig University Hospitals. Methodology: Two gastric biopsies were taken from each enrolled patient by endoscopy. H.pylori detection was done by rapid urease test and polymerase chain reaction (PCR) amplification of 16S rRNA gene. Deletion mutation in rdx A gene was detected by conventional PCR. Results: Out of 134 doubled gastric biopsies obtained from 134 patients, 52.2% were positive for H. pylori. Epigastric pain, vomiting and gastritis were significantly associated with detection of H. pylori infection (p˂ 0.05). Deletion mutation of rdx A gene was detected in 28.6% of H. pylori positive specimens obtained from infected patients. Conclusion: Deletion mutation of rdx A gene is a frequent determinant of rdx A inactivation conferring metronidazole resistance among H. pylori.


1999 ◽  
Vol 6 (1) ◽  
pp. 17-23 ◽  
Author(s):  
Minoru Kawaguchi ◽  
Toshihiko Saito

We determined the incidence of gastric metaplasia in the duodenal bulb of duodenal ulcer patients and the Helicobacter pylori (H. pylori) infection rate at sites with gastric metaplasia. Biopsy of the duodenal bulb showed the presence of gastric metaplasia in 61 of 86 patients (71%) overall and in 18 of 47 patients (38.3%) who had gastrectomy at an early gastric cancer. The histological diagnosis of H. pylori infection showed good agreement (83.3%) with the result of the rapid urease test, indicating that H. pylori occurs in regions with gastric metaplasia. This finding suggests that H. pylori infects gastric metaplasia in the duodenal bulb, causing mucosal injury, which is then transformed into duodenal ulcers. The exact mechanism by which gastric metaplasia is caused is unknown, but it is believed to occur in the transitional zone in the duodenal mucosa.


2016 ◽  
Vol 73 (11) ◽  
pp. 1044-1049 ◽  
Author(s):  
Sasa Grgov ◽  
Tomislav Tasic ◽  
Biljana Radovanovic-Dinic ◽  
Daniela Benedeto-Stojanov

Background/Aim. Some studies suggest the benefit of applying different probiotic strains in combination with antibiotics in the eradication of Helicobacter pylori (H. pylori) infection. The aim of this study was to evaluate the effect of co-administration of multiple probiotic strains with triple H. pylori eradication therapy. Methods. This prospective study included 167 patients with dyspeptic symptoms and chronic gastritis who were diagnosed with H. pylori infection and randomized into two groups. The group I of 77 patients underwent triple eradication therapy, for 7 days, with lansoprazole, 2 ? 30 mg half an hour before the meal, amoxicillin 2 ? 1.000 mg per 12 hours and clarithromycin 2 ? 500 mg per 12 hours. After the 7th day of the therapy, lansoprazole continued at a dose of 30 mg for half an hour before breakfast for 4 weeks. The group II of 90 patients received the same treatment as the patients of the group I, with the addition of the probiotic cultures in the form of a capsule comprising Lactobacillus Rosell-52, Lactobacillus Rosell-11, Bifidobacterium Rosell-1755 and Saccharomyces boulardii, since the beginning of eradication for 4 weeks. Eradication of H. pylori infection control was performed 8 weeks after the therapy by rapid urease test and histopathologic evaluation of endoscopic biopsies or by stool antigen test for H. pylori. Results. Eradication of H. pylori infection was achieved in 93.3% of the patients who received probiotics with eradication therapy and in 81.8% of patients who were only on eradication therapy without probiotics. The difference in eradication success was statistically significant, (p < 0.05). The incidence of adverse effects of eradication therapy was higher in the group of patients who were not on probiotic (28.6%) than in the group that received probiotic (17.7%), but the difference was not statistically significant. Conclusion. Multiple probiotic strains addition to triple eradication therapy of H. pylori achieves a significantly better eradication success, with fewer side effects of antibiotics.


2020 ◽  
Vol 92 (8) ◽  
pp. 24-28
Author(s):  
I. V. Maev ◽  
D. N. Andreev ◽  
V. M. Govorun ◽  
E. N. Ilina ◽  
Yu. A. Kucheryavyy ◽  
...  

Aim. Determine the primary antibiotic resistance of Helicobacter pylori (H. pylori) strains isolated from patients living in the European part of the Russian Federation. Materials and methods. As part of a clinical laboratory study, from 2015 to 2018, 27 gastrobiopsy samples obtained from H. pylori-infected patients were analyzed. H. pylori infection was verified using a rapid urease test or a 13C-urea breath test. The values of the minimum inhibitory concentration (MIC) of antibiotics were determined by the diffusion method using E-test strips (BioMerieux, France) according to the recommendations of the manufacturer. The sensitivity of the isolates was determined for 6 antibacterial drugs (amoxicillin, clarithromycin, metronidazole, levofloxacin, tetracycline, rifampicin). Results. According to the data obtained, resistance to amoxicillin was 0%, clarithromycin 11.1%, metronidazole 59.3%, levofloxacin 3.7%, tetracycline 0%, and rifampicin 14.8%. Dual resistance to clarithromycin and metronidazole was recorded in two isolates (7.4%). Conclusion. Thus, the first results of the evaluation of H. pylori antibiotic resistance in the European part of the Russian Federation indicate a low resistance of the microorganism to clarithromycin and quite high to metronidazole.


2020 ◽  
Vol 16 (2) ◽  
pp. 30-34
Author(s):  
Ali Hamid Abd-Almahdi ◽  
Zuhair B. Kamal

Background: Helicobacter pylorus is one of the most harmful human pathogens & carcinogen. Of the world's population, more than 50% has H. pylori in their upper gastrointestinal tracts. It has been linked to a variety of extra gastric disorders. In correlation to hepatobiliary diseases; recently, the bacterium has been implicated as a risk factor for various diseases ranging from chronic cholecystitis and primary biliary sclerosing cholangitis to gall bladder cancer and primary hepatic carcinomas. However, the association between Helicobacter pylori (H. pylori) and gallbladder diseases is still vague and is controversial. Aim of study: To elucidate the association of H pylori and gallbladder diseases (calculus, acalculous, polyp), the feasibility of using rapid urease test in post-operative diagnosis, and many factors related bacterium. Subjects & methods: This case series study was conducted in Al-Kindy Teaching hospital - surgical unit during a period extended for 2 years from September 2016 to September 2018, where patients suffered from signs and symptoms of gallbladder disease were interviewed using a predesigned questionnaire including age, gender, occupation, residency and whether the drinking water was safe (purified) or not. Physical examination was done including weight status, BMI was calculated (BMI=wt. (kg)/ height (M) [2]. Provisional diagnosis of gallbladder disease was confirmed by examination, necessary laboratory investigations (Hematology, Biochemistry, and radiology). Cholecystectomy was done by using Laparoscopic cholecystectomy or open surgery. The presence of H.pylori in the mucosa of excised gallbladder was studied by using: 1) Rapid urease kit (HNAN C., LTD) 2) Histopathology & chemical analysis of associated gallstone Results: Seventy-eight patients undergoing cholecystectomy for symptomatic gallbladder disease, the gallbladder mucosa of 30 patients were tested positive for H. pylori with any one of the tests used in this study. The rapid urease test was sensitive 57.1% and specific 58.3 % of the cholecystectomies performed in our study. The mean age of studied patients was (34 ± 4 years). Females constitute 73.1% (57 out of the total 78 of patients). Of the studied cases; 26 patients (33.3%) were obese. Employee patients constitute 43 (55.1%) of patients, and 53 patients (67.9%) lived in urban areas. Purified water consumed by 61 (78.2%) of the studied population. Gallstones were detected in 56 (71.8%) of studied cases, acalculus chronically inflamed gallbladder was found in 20 (25.64%), and 2 cases (2.56%). were found to have gallbladder polyp. pylori infection was diagnosed in 30 (38.5%) of total cases (of the 56 calculus confirmed cases 48.2% were H.pylori positive, and of the 22 acalculus cases 13.6% H.pylori positive). Conclusion: Significant association is found between chronic calculus cholecystitis and H.pylori infection. While no significant association was found in correlation with acalculus cholecystitis and other gallbladder pathology. In regard to feasibility of using urease kit test, it is found that this test is sensitive 57.1%, and specific 58.3%, as such it is less accurate than histopathology study. Significant correlation was found between age, gender, weight status, and non-purified water source with H.pylori infection..


2019 ◽  
Vol 8 (7) ◽  
pp. 1071 ◽  
Author(s):  
Izabela Korona-Glowniak ◽  
Halina Cichoz-Lach ◽  
Radoslaw Siwiec ◽  
Sylwia Andrzejczuk ◽  
Andrzej Glowniak ◽  
...  

The aim of this study was to investigate genetic diversity of Helicobacter pylori virulence markers to predict clinical outcome as well as to determine an antibiotic susceptibility of H. pylori strains in Poland. Gastric biopsies from 132 patients with gastrointestinal disorders were tested for presence of H. pylori with the use of rapid urease test, microbial culture, and polymerase chain reaction (PCR) detection. The genetic diversity of 62 H. pylori positive samples was evaluated by detection of cagA and PCR-typing of vacA and iceA virulence-associated genes. Most common H. pylori genotypes were cagA(+)vacAs1m2 (27.4%) and cagA(−)vacAs2m2 (24.2%). In logistic regression analysis, we recognized the subsequent significant associations: gastritis with ureC, i.e., H. pylori infection (p = 0.006), BMI index (p = 0.032); and negatively with iceA1 (p = 0.049) and peptic ulcer with cagA (p = 0.018). Thirty-five H. pylori strains were cultured and tested by E-test method showing that 49% of strains were resistant to at least one of the tested antibiotics. This is the first study that reports the high incidence and diversity of allelic combination of virulence genes in gastroduodenitis patients in Poland. Genotyping of H. pylori strains confirmed the involvement of cagA gene and vacAs1m1 genotype in development and severity of gastric disorder.


1999 ◽  
Vol 43 (5) ◽  
pp. 1072-1076 ◽  
Author(s):  
Junko K. Akada ◽  
Mutsunori Shirai ◽  
Kenji Fujii ◽  
Kiwamu Okita ◽  
Teruko Nakazawa

ABSTRACT The new rifamycin derivatives KRM-1657 and KRM-1648 were evaluated for their in vitro antimicrobial activities against 44 strains ofHelicobacter pylori. Although the drugs were not very active against other gram-negative bacteria, the MICs at which 90% of isolates are inhibited for these drugs were lower (0.002 and 0.008 μg/ml, respectively) than those of amoxicillin and rifampin forH. pylori. Time-kill studies revealed that the bactericidal activities of these agents were due to cell lysis. The results presented here indicate that these new rifamycin derivatives may be useful for the eradication of H. pylori infections.


2016 ◽  
Vol 64 (2) ◽  
pp. 388-391 ◽  
Author(s):  
María José Ramírez-Lázaro ◽  
Josep Lite ◽  
Sergio Lario ◽  
Pepa Pérez-Jové ◽  
Antònia Montserrat ◽  
...  

Laboratory-based chemiluminescence immunoassays (CLIA) are widely used in clinical laboratories. Some years ago, a CLIA test was developed for the detection of Helicobacter pylori in stool samples, known as LIAISON H. pylori SA, but little information on its use has been reported. To evaluate the accuracy of the LIAISON H. pylori SA assay for diagnosing H. pylori infection prior to eradication treatment. Diagnostic reliability was evaluated in 252 untreated consecutive patients with dyspepsia. The gold standard for diagnosing H. pylori infection was defined as the concordance of the rapid urease test (RUT), histopathology and urea breath test (UBT). The CLIA assay was performed according to the manufacturer's instructions. Sensitivity, specificity, positive and negative predictive values, and 95% CIs were calculated. According to the gold standard selected, 121 patients were positive for H. pylori infection and 131 negative. LIAISON H. pylori SA had a sensitivity of 90.1% and a specificity of 92.4%, with positive and negative predictive values of 91.6% and 90.1%, respectively. The accuracy of the LIAISON H. pylori SA chemiluminescent diagnostic assay seems comparable to that of ELISA or the best-performing LFIAs. Its sensitivity and specificity, however, seem slightly lower than those of histology, RUT or UBT. The advantages of the assay are that it is cheap, automated, and minimally labor-intensive.


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