Abid Shoukat

Prevalence of Helicobacter pylori infection and the effect of its eradication on symptoms of functional dyspepsia in Kashmir, India.

Epidemiology of Helicobacter pylori infection has regional variation. Effect of eradication of H. pylori on symptoms of functional dyspepsia is uncertain, and the data in Asian scenario are scanty. The study aimed to see H. pylori positivity rate in patients of functional dyspepsia and the effect of its eradication on symptoms.

Correlation of hepatic venous pressure gradient with variceal bleeding, size of esophageal varices, etiology, ascites and degree of liver dysfunction in cirrhosis of liver

An elevated hepatic venous pressure gradient (HVPG) has been associated with risk of variceal bleeding, and outcome and survival after variceal bleeding. In this pilot study, we measured HVPG in 40 patients with liver cirrhosis and studied its relationship with etiology of liver disease, esophageal variceal size, history of variceal bleeding or ascites, biochemical liver tests and Child-Pugh class. There was no procedurerelated complication. The mean (SD) HVPG was similar in patients who had history of variceal bleeding as compared to those who did not (15.4 [2.8] mmHg vs. 13.9 [2.7] mmHg, p=0.1); HVPG had no significant association with etiology of cirrhosis (p=0.4). HVPG levels were significantly higher in patients with larger esophageal varices (grade III/IV vs. I/II: 15.2 [2.7] mmHg vs.13.1 [2.8] mmHg, p=0.04), poorer Child-Pugh class (B or C versus A), and presence of ascites (p=0.04). Thus, HVPG correlated with variceal size, Child-Pugh class, and presence of ascites, but not with variceal bleeding status.

The role of biochemical variations and genotype testing in determining the virological response of patients infected with hepatitis C virus

Background: In hepatitis C virus (HCV), infection viral and IL28B genotype along with many clinical and biochemical factors can influence response rates to pegylated interferon plus ribavirin (Peg-IFN-a/R) therapy and progression to chronic hepatitis C (CHC). Aims: The present study was conducted to determine the effect of biochemical and risk factors on treatment outcome in CHC patients in relation to their viral and host genotype. Settings and Design: The present study was a prospective Pe- IFN efficacy study consisting of Peg-IFN-a/R therapy for 24–48 weeks including 250 HCV infected patients. Materials and Methods: Biochemical parameters were determined by Beckman Coulter AU680 automated analyzer. HCV and Interleukin 28B (IL28B) genotyping were carried out by polymerase chain reaction-restriction fragment length polymorphism and viral load was determined by quantitative real-time PCR. Results: Wild outnumbered the variant genotypes in rs 12979860, rs 12980275, and rs 8099917 SNP of IL28B gene. Sustained virological response (SVR) SVR and viral genotype were significantly associated with age, hepatic steatosis, low-grade varices, and serum aspartate transaminase levels (at the end of treatment) (P < 0.05). In addition, SVR was significantly influenced by body mass index (BMI), insulin resistance, serum low-density lipoprotein , and ferritin levels (P < 0.05). Viral genotype 1 infected patients had higher serum cholesterol and triglyceride levels (P < 0.05). Conclusions: Although the IL28B sequence variation is the major factor that can influence response rates to antiviral therapy, viral and biochemical factors also have a definite role to play in the diagnosis, etiology, and treatment outcome in HCV-infected patients.

Bannayan-Rilay-Ruvalcaba syndrome presenting with recurrent lower gastrointestinal bleed: A Case Report and a review of the literature

Bannayan-Rilay-Ruvalcaba syndrome (BRRS) is a rare congenital disorder, characterized by macrocephaly, hamartomas, lipomas, and genital lentiginosis with or without PTEN gene mutations. We report a case of BRRS in a 12-year-old male child with recurrent bleeding per rectum with hamartomatous intestinal polyposis involving whole colon and few polyps in stomach and first part of duodenum; small subcutaneous lipomas over left lumber area. In addition patient had macrocephaly, cutaneous hyperpigmentation with lentiginosis, and pigmented freckles on the external genitalia. Bleeding polyps were removed with snare polypectomy. Patient was put on iron supplements and is on regular follow-up.

Diagnostic role of capsule endoscopy in patients of obscure gastrointestinal bleeding after negative CT enterography

Background and Objectives: Computed tomographic enterography (CT-EG) has emerged a useful tool for the evaluation of small bowel in patients of obscure gastrointestinal bleeding (OGIB). However, CT-EG may be negative in about 50-60% of patients. We aimed to see the efficacy of capsule endoscopy (CE) in patients of OGIB, who had initial negative CT-EG. Materials and Methods: All consecutive patients of OGIB after initial hemodynamic stabilization were subjected to CT-EG. Those having negative CT-EG were further evaluated with CE. Results: Fifty-five patients of OGIB with mean standard deviation age, 52.7 (19.0), range 18-75 years, women 31/55 (56.4%) were subjected to CT-EG. Nine (17.6%) patients had positive findings on CT-EG, which included mass lesions in six, thickened wall of distal ileal loops, narrowing, and wall enhancement in two and jejunal wall thickening with wall hyperenhancement in one patient. Forty-two patients had negative CT-EG of which 25 underwent CE for further evaluation. CE detected positive findings in 11 of 25 (48%) patients which included vascular malformations in three, ulcers in seven, and fresh blood without identifiable source in one. The diagnostic yield of CE in overt OGIB was more compared to occult OGIB ((7/14, 50%) vs (4/11, 36.4%) P = 0.2) and was higher if performed within 2 weeks of active gastrointestinal (GI) bleed (P = 0.08). Conclusions: In conclusion, CE is an additional tool in the evaluation of obscure GI bleed, especially mucosal lesions which can be missed by CT-EG.