Cultural characteristics and antibiotic susceptibility pattern of Helicobacter Pylori isolated from dyspepsia patients
<em<Helicobacter pylori</em< consist in a helical shaped Gram-negative bacterium, approximately 3 micrometers long with a diameter of approximately 0.5 micrometers. It has 4-6 flagella. It is microaerophilic and tests positive for oxidase, catalase and urease. With its flagella, the bacterium moves through the stomach lumen and drills into the mucus gel layer of the stomach. In humans, <em<H. pylori </em<have been associated with peptic ulcers, chronic gastritis, duodenitis and stomach cancer. It is widely believed that in the absence of treatment, <em<H. pylori </em<infection, once established in its gastric niche, persists for life. The aim of this research is to study the cultural characteristics and antibiotic susceptibility pattern of <em<H. pylori </em<strains isolated from southwest Nigeria. The cultural characteristics and antibiotic susceptibility pattern of <em<Helicobacter pylori</em< strains isolated from gastric mucosal antral biopsy specimens collected from 43 of 52 dyspepsia patients in the University College Hospital Ibadan, Oyo State, Nigeria, were determined using standard microbiological methods for Helicobacter pylori isolation. The 43 isolates were subjected to 23 different antibiotics and each of the antibiotics demonstrated a variable degree of activity against the isolates. Among the antibiotics to which the organism was most susceptible are: ofloxacin (30 μg) 100% activity, ciprofloxacin (5 μg) 97.67% activity, gentamicin (120 μg) 95.35 activity, amikacin (30 μg), kanamycin (30 μg) and chloramphenicol (30 μg) each 90.70% activity, clarithromycin (15 μg) 93.02, while the less active antibiotics are: augmentin (30 μg) 23.26% active, amoxycillin (25 μg) and metronidazole (50 μg) each 27.91% active and clindamycin (2 mg) 30.23% active. From the result of the antibiotic susceptibility pattern of the strains of the organism, 95.35% of the total isolates are multi drug resistant. Resistance was developed to, among others, augmentin (30 μg), amoxycillin (25 μg), metronidazole (50 μg) and clindamycin (2 mg)..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2012 |
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| Erschienen: |
2012 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:4 |
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| Enthalten in: |
Gastroenterology Insights - 4(2012), 2, Seite e21-e21 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Bolanle A. Adeniyi [VerfasserIn] |
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| Links: |
doi.org [kostenfrei] |
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| Themen: |
Diseases of the digestive system. Gastroenterology |
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| doi: |
10.4081/gi.2012.e21 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
DOAJ020479565 |
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| 520 | |a <em<Helicobacter pylori</em< consist in a helical shaped Gram-negative bacterium, approximately 3 micrometers long with a diameter of approximately 0.5 micrometers. It has 4-6 flagella. It is microaerophilic and tests positive for oxidase, catalase and urease. With its flagella, the bacterium moves through the stomach lumen and drills into the mucus gel layer of the stomach. In humans, <em<H. pylori </em<have been associated with peptic ulcers, chronic gastritis, duodenitis and stomach cancer. It is widely believed that in the absence of treatment, <em<H. pylori </em<infection, once established in its gastric niche, persists for life. The aim of this research is to study the cultural characteristics and antibiotic susceptibility pattern of <em<H. pylori </em<strains isolated from southwest Nigeria. The cultural characteristics and antibiotic susceptibility pattern of <em<Helicobacter pylori</em< strains isolated from gastric mucosal antral biopsy specimens collected from 43 of 52 dyspepsia patients in the University College Hospital Ibadan, Oyo State, Nigeria, were determined using standard microbiological methods for Helicobacter pylori isolation. The 43 isolates were subjected to 23 different antibiotics and each of the antibiotics demonstrated a variable degree of activity against the isolates. Among the antibiotics to which the organism was most susceptible are: ofloxacin (30 μg) 100% activity, ciprofloxacin (5 μg) 97.67% activity, gentamicin (120 μg) 95.35 activity, amikacin (30 μg), kanamycin (30 μg) and chloramphenicol (30 μg) each 90.70% activity, clarithromycin (15 μg) 93.02, while the less active antibiotics are: augmentin (30 μg) 23.26% active, amoxycillin (25 μg) and metronidazole (50 μg) each 27.91% active and clindamycin (2 mg) 30.23% active. From the result of the antibiotic susceptibility pattern of the strains of the organism, 95.35% of the total isolates are multi drug resistant. Resistance was developed to, among others, augmentin (30 μg), amoxycillin (25 μg), metronidazole (50 μg) and clindamycin (2 mg). | ||
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| 700 | 0 | |a Aderemi O. Kehinde |e verfasserin |4 aut | |
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