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Articles 61 - 70 of 70
Full-Text Articles in Digestive System Diseases
Role Of Rapid Urease Test And Histopathology In The Diagnosis Of Helicobacter Pylori Infection In A Developing Country, Javed Yakoob, Wasim Jafri, Shahab Abid, Zaigham Abbas, Saeed Hamid, Muhammad Islam, Kashif Anis, Hasnain Ali Shah, Hizbullah Shaikh
Role Of Rapid Urease Test And Histopathology In The Diagnosis Of Helicobacter Pylori Infection In A Developing Country, Javed Yakoob, Wasim Jafri, Shahab Abid, Zaigham Abbas, Saeed Hamid, Muhammad Islam, Kashif Anis, Hasnain Ali Shah, Hizbullah Shaikh
Section of Gastroenterology
Background
The aim of this study was to determine the effect of commonly self-prescribed proton pump inhibitors (PPI) on the results of rapid urease test and histology for the diagnosis of H. pylori infection.
Methods
One hundred-nine consecutive patients with dyspeptic symptoms attending the endoscopy suite were enrolled in this study. Antrum biopsy specimens were collected at endoscopy for the rapid urease test (Pronto Dry, Medical Instrument Corp, France) and histopathology. Sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV) and like-hood ratio of a positive and negative of Pronto Dry test were compared against histology. The gold standard …
Frequency Of Irritable Bowel Syndrome In College Students., Wasim Jafri, Javed Yakoob, Nadim Jafri, Muhammad Islam, Qazi Masroor Ali
Frequency Of Irritable Bowel Syndrome In College Students., Wasim Jafri, Javed Yakoob, Nadim Jafri, Muhammad Islam, Qazi Masroor Ali
Section of Gastroenterology
Background:
This study was carried out to investigate the presence of irritable bowel syndrome (IBS) in college students and compare its distribution in the non-medical college and medical college students.
Methods:
We collected data from 508 students by inviting them to fill out a questionnaire based on Rome II criteria for the diagnosis of IBS from November 2001 to February 2004. Two major cities Karachi and Bahawalpur were selected and it was coordinated by the section of Gastroenterology, Department of Medicine, Aga Khan University Hospital and Quaid-e-Azam Medical College, Bahawalpur.
Results:
A total of 508 subjects with males 43 %(220/508) …
Trefoil Factor 2 (Tff2) Deficiency In Murine Digestive Tract Influences The Immune System, M. Baus- Loncar, J. Schmid, El-Nasir Lalani, I. Rosewell, R. A. Goodlad, H. G.W. Stamp, N. Blin, T. Kayademir
Trefoil Factor 2 (Tff2) Deficiency In Murine Digestive Tract Influences The Immune System, M. Baus- Loncar, J. Schmid, El-Nasir Lalani, I. Rosewell, R. A. Goodlad, H. G.W. Stamp, N. Blin, T. Kayademir
Department of Pathology and Laboratory Medicine
Background & Aims:
The gastrointestinal trefoil factor family (TFF1, TFF2, TFF3) peptides are considered to play an important role in maintaining the integrity of the mucosa. The physiological role of TFF2 in the protection of the GI tract was investigated in TFF2 deficiency.
Methods:
TFF2-/- mice were generated and differential expression of various genes was assessed by using a mouse expression microarray, quantitative real time PCR, Northern blots or immunohistochemistry.
Results:
On an mRNA level we found 128 differentially expressed genes. We observed modulation of a number of crucial genes involved in innate and adaptive immunity in the TFF2-/- mice. …
Helicobacter Pylori Infection And Micronutrient Deficiencies., Javed Yakoob, Wasim Jafri, Shahab Abid
Helicobacter Pylori Infection And Micronutrient Deficiencies., Javed Yakoob, Wasim Jafri, Shahab Abid
Section of Gastroenterology
It is known that deficiencies of micronutrients due to infections increase morbidity and mortality. This phenomenon depicts itself conspicuously in developing countries. Deficiencies of iron, vitamins A, E, C, B12, etc are widely prevalent among populations living in the third world countries. Helicobacter pylori (H pylori) infection has a high prevalence throughout the world. Deficiencies of several micronutrients due to H pylori infection may be concomitantly present and vary from subtle sub-clinical states to severe clinical disorders. These essential trace elements/micronutrients are involved in host defense mechanisms, maintaining epithelial cell integrity, glycoprotein synthesis, transport mechanisms, myocardial contractility, brain development, cholesterol …
Candida Esophagitis: Risk Factors In Non-Hiv Population In Pakistan, Javed Yakoob, Wasim Jafri, Shahab Abid, Nadim Jafri, Muhammad Islam, Saeed Hamid, Hasnain Ali Shah, Akbar S. Hussainy
Candida Esophagitis: Risk Factors In Non-Hiv Population In Pakistan, Javed Yakoob, Wasim Jafri, Shahab Abid, Nadim Jafri, Muhammad Islam, Saeed Hamid, Hasnain Ali Shah, Akbar S. Hussainy
Section of Gastroenterology
AIM:
Candida esophagitis is a frequent infection in immunocompromised patients. This study was designed to determine its characteristics in non- human immune deficiency virus (HIV) infected patients attending a teaching hospital.
METHODS:
Clinical records of all patients coded by international classification of diseases 9th revision with clinical modifications' (ICD-9-CM), with candida esophagitis diagnosed by esophagogastroduodenoscopy (EGD) and histopathology over a period of 5 years were studied.
RESULTS:
Fifty-one patients (27 males, 24 females, range 21-77 years old and mean age 52.9 years) fulfilled the criteria (0.34% of the EGD). The common predisposing factors were carcinoma (OR 3.87, CI 1.00-14.99) and …
Irritable Bowel Syndrome In Health Care Professionals In Pakistan, Wasim Jafri, Javed Yakoob, Nadim Jafri, Mahesh Maloni, Saeed Hamid, Hasnain Ali Shah, Shahab Abid
Irritable Bowel Syndrome In Health Care Professionals In Pakistan, Wasim Jafri, Javed Yakoob, Nadim Jafri, Mahesh Maloni, Saeed Hamid, Hasnain Ali Shah, Shahab Abid
Section of Gastroenterology
Objective: To evaluate the symptomatology of irritable bowel syndrome (IBS) among health care professionals attending an IBS symposium in a tertiary care university hospital. Method: A questionnaire designed to incorporate Manning and Rome II criteria was distributed among participants of an IBS symposium, most of them were health care professionals. A total of 100 questionnaires were distributed, 41 had symptoms fulfilling criteria of IBS. In these patients male: female ratio was 28:13 with age range 18-68. Results: The predominant symptom was abdominal pain 87.8 % (36/41) which was aggravated post-prandially 72.2% (29/41), relieved following defecation in 87 % (35/41) with …
Association Of Iron Deficiency Anaemia In Children Of 1-2 Years Of Age With Low Birth Weight, Recurrent Diarrhoea Or Recurrent Respiratory Tract Infection - A Myth Or Fact?, Niloufer Sultan Ali, Rukhsana Wamiq Zuberi
Association Of Iron Deficiency Anaemia In Children Of 1-2 Years Of Age With Low Birth Weight, Recurrent Diarrhoea Or Recurrent Respiratory Tract Infection - A Myth Or Fact?, Niloufer Sultan Ali, Rukhsana Wamiq Zuberi
Department for Educational Development
No abstract provided.
Morphological Pattern Of Salivary Gland Tumours, M. S. Gill, S. Muzaffar, I. N. Soomro, Naila Kayani, A. S. Hussainy, Shahid Pervez, S. H. Hasan
Morphological Pattern Of Salivary Gland Tumours, M. S. Gill, S. Muzaffar, I. N. Soomro, Naila Kayani, A. S. Hussainy, Shahid Pervez, S. H. Hasan
Department of Pathology and Laboratory Medicine
Objective: To delineate the spectrum of salivary gland tumors in our setup.
Setting: The Aga Khan University Medical Centre, Karachi.
Method: Tumors were analysed considering histological type, age and sex of the patients and anatomic location. The diagnosis of individual tumours was based on the 1991 World Health Organisation Classification.
Results: During the span of eight years (1991-1998), 379 cases of salivary gland tumours were diagnosed. Of these, 205 (65.7%) were male and 174 (34.3%) were female. The median age at the time of diagnosis was 35 years. The median age for patients with malignant lesions (44 years) was 12 …
Gastric Carcinoma With Lymphoid Stroma: Association With Epstein Virus Genome Demonstrated By Pcr, Irshad N. Soomro, Samina Noorali, Syed Abdul Aziz, Suhail Muzaffar, Shahid Pervez, Akbar S. Hussainy, Tariq Moatter
Gastric Carcinoma With Lymphoid Stroma: Association With Epstein Virus Genome Demonstrated By Pcr, Irshad N. Soomro, Samina Noorali, Syed Abdul Aziz, Suhail Muzaffar, Shahid Pervez, Akbar S. Hussainy, Tariq Moatter
Department of Pathology and Laboratory Medicine
No abstract provided.
A Change Of Il-2 And Il-4 Production In Patients With Helicobactor Pylori Infection, X. G. Fan, Javed Yakoob, X. J. Fan, P. W. N. Keeling
A Change Of Il-2 And Il-4 Production In Patients With Helicobactor Pylori Infection, X. G. Fan, Javed Yakoob, X. J. Fan, P. W. N. Keeling
Section of Gastroenterology
Helicobactor pylori is the most common cause of gastroduodenal inflammation. However, the exact immune pathogenesis is not fully understood. To look for evidence of the immunological mechanism in H. pylori associated disease, we measured cytokine interleukin-2 (IL-2) and IL-4 levels produced by peripheral blood lymphocytes (PBL) and gastric biopsies in 20 subjects with or without H. pylori infection. H. pylori can stimulate IL-2 and IL-4 production from PBL in H. pylori negative as well as H. pylori positive individuals. The spontaneous IL-2 production by PBL and gastric biopsies was greater (p < 0.0025, <0.001)in H. pylori negative individuals than that in H. pylori infected patients. Increased IL-4 levels from PBL in H. pylori infected patients were found in the presence of H. pylori (p < 0.0025). An increased spontaneous production of IL-4 from gastric biopsies was also observed in H. pylori infected patients (p < 0.025). In conclusion, an enhanced type 2 cytokine production was observed in H. pylori infected patients, which may be responsible for H. pylori chronic infection.