Association of CD4/CD8 Ratio with Viral Load, Genotype and Cirrhosis in Chronic Hepatitis C.

ABSTRACT: The interplay between Hepatitis C virus (HCV) and immune system, especially T lymphocytes play a major role in the clearance of virus and in development of liver cell injury resulting in replacement of healthy tissue with fibrous scar tissue. OBJECTIVES: To evaluate the association of CD4/CD8 ratio with viral load and genotype of HCV and to evaluate the correlation of CD4/CD8 ratio and CD4 and CD8 cell counts with liver function tests in HCV infected patients. METHODS: Forty patients of Chronic Hepatitis C infection were enrolled for study. Immunophenotyping by flowcytometry for measurement of CD4 and CD8 T cell counts was used and the percentages of cells expressing CD4 and CD8 were estimated per lymphocyte population. HCV viral load quantitative was done by Roche Taqman Method. RESULTS: The CD4/CD8 ratio was not found to have any significant correlation with HCV viral load. However, it showed a significant difference in the two HCV genotypes, the ratio being higher in genotype 3 than in genotype 1. It showed no significant correlation with liver function tests except serum albumin which had significant positive correlation with CD4/CD8 ratio. The ratio was also found to be significantly decreased in patients with cirrhosis of liver. CONCLUSION: Hepatitis C virus genotype but not viral load influences the immune response to HCV infection. The CD4/CD8 ratio significantly decreases in patients with liver cirrhosis than in normal and fatty liver.

Study of carotid intimal medial thickness in essential hypertension with or without left ventricular hypertrophy.

INTRODUCTION: Hypertension and atherosclerosis though separate entities, are interrelated as hypertension plays an important role in the pathogenesis of atherosclerosis. This study was undertaken to study the association of carotid intimal medial thickness with left ventricular hypertrophy (LVH) in hypertensive patients. MATERIALS AND METHODS: Hundred hypertensives (JNC-7, Stage 1 and 2) between 30 and 55 years were enrolled in this prospective observational study conducted at a tertiary care teaching institute of Punjab, India. Electrocardiogram, Carotid Doppler, and Echocardiography were carried out in addition to routine biochemical investigations. RESULTS: Increased carotid intimal medial thickness (CIMT) had statistically significant association with age, duration of hypertension, high systolic and diastolic blood pressure (BP), left ventricular hypertrophy and left ventricular mass index but was not associated with body mass index, low-density lipoproteins, and total cholesterol. CONCLUSIONS: LVH and arterial wall changes occur concurrently, and therefore, management of hypertension should not be limited just to control of BP but should also include therapy for carotid plaques and increased CIMT.

Hepatitis B virus and hepatitis C virus co-infection in hemodialysis patients: A retrospective study from a tertiary care hospital of North India.

BACKGROUND: Hepatitis B virus (HBV) and hepatitis C virus (HCV) infections represent significant public health issues globally. They are important causes of morbidity and mortality in hemodialysis patients. Patients with HBV/HCV co-infection have a higher risk of progression to cirrhosis and decompensated liver disease and have an increased risk of hepatocellular cancer (HCC). Because the two hepatotropic viruses share same modes of transmission, co-infection with the two viruses is not uncommon, especially in areas with a high prevalence of HCV infection and among people at high-risk for parenteral infection. AIMS: To estimate the prevalence of HBV and HCV co-infection among hemodialysis patients. MATERIALS AND METHODS: This retrospective, single centered hospital record-based study was carried out in a tertiary care hospital in Faridkot (Punjab), India. All the patients who underwent hemodialysis from January 2013 to December 2014 were included in the study. Patients of all age groups were tested for anti-HCV antibodies by fourth Generation HCV Tridot ELISA (J. Mitra & Co. Pvt. Ltd., New Delhi, India) and for hepatitis B surface antigen (HBsAg) by Hepalisa (J. Mitra & Co. Pvt. Ltd). RESULTS: Of the total 262 patients on hemodialysis, 88 (33.5%) were found to be having HCV infection, 4 (1.5%) were found to be positive for HBsAg. Co-infection with HBV/HCV was observed in 2 (0.8%) patients. Out of the total 92 patients having HBV and HCV infection, 62 (67.4%) were males and 30 (32.6%) were females. The majority of the patients were found to be of 41-60 years of age (41.3%) followed by 21-40 years (31.5%) and thereafter in 61-80 years (23.9%) and lowest prevalence was observed in the age group of <20 years (2.2%) and >80 years (1.1%). CONCLUSION: The risk of co-infection is greater among the chronic renal failure (CRF) patients due to the high frequency of transfusions of blood/blood products and extracorporeal circulation during hemodialysis. Patients with HBV/HCV co-infection have a higher risk of progression to cirrhosis and decompensated liver disease and further have an increased risk of HCC. In our study, out of the total 262 patients, 88 (33.5%) were found to be having HCV infection, 4 (1.5%) were found to be positive for HBsAg and dual infection was observed in 2 (0.8%) patients which is higher than the rates reported from different studies all over the world and India.