Harish Ranjani

ORCID: 0000-0002-1521-7398
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About
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Research Areas
  • Diabetes, Cardiovascular Risks, and Lipoproteins
  • Diabetes Management and Research
  • Obesity, Physical Activity, Diet
  • Mobile Health and mHealth Applications
  • Diabetes and associated disorders
  • Cardiovascular Health and Risk Factors
  • Diabetes Management and Education
  • Global Public Health Policies and Epidemiology
  • Artificial Intelligence in Healthcare
  • Gestational Diabetes Research and Management
  • Health and Lifestyle Studies
  • Adipokines, Inflammation, and Metabolic Diseases
  • Dietary Effects on Health
  • Physical Activity and Health
  • Pregnancy and preeclampsia studies
  • Obesity and Health Practices
  • Bariatric Surgery and Outcomes
  • Metabolism, Diabetes, and Cancer
  • Chronic Disease Management Strategies
  • Diabetes Treatment and Management
  • Pancreatic function and diabetes
  • Retinal Imaging and Analysis
  • Regulation of Appetite and Obesity
  • Adipose Tissue and Metabolism
  • Workplace Health and Well-being

Madras Diabetes Research Foundation
2016-2025

Dr. Mohan's Diabetes Specialities Centre
2016-2025

World Heart Federation
2024

Emory University
2022-2023

University of Waterloo
2018

University of Regina
2018

CSI Holdsworth Memorial Hospital
2018

University of Southampton
2018

World Health Organization Regional Office for South-East Asia
2014

Medtronic (United States)
2014

This study tests the effectiveness of expert guidelines for diabetes prevention: lifestyle intervention with addition metformin, when required, among people prediabetes.

10.2337/dc16-1241 article EN Diabetes Care 2016-08-08

OBJECTIVE To examine β-cell function across a spectrum of glycemia among Asian Indians, population experiencing type 2 diabetes development at young ages despite low BMI. RESEARCH DESIGN AND METHODS One-thousand two-hundred sixty-four individuals without known in the Diabetes Community Lifestyle Improvement Program Chennai, India, had 75-g oral glucose tolerance test, with and insulin measured 0, 30, 120 min. Type diabetes, isolated impaired fasting (iIFG), (iIGT), combined tolerance, normal...

10.2337/dc12-2290 article EN cc-by-nc-nd Diabetes Care 2013-04-18

In low/middle income countries like India, diabetes is prevalent and health care access limited. Most adults have a mobile phone, creating potential for mHealth interventions to improve public health. To examine the feasibility initial evidence of effectiveness mDiabetes, text messaging program risk behaviors, global nonprofit organization (Arogya World) implemented mDiabetes among one million Indian adults.A prospective, parallel cohort design was applied whether improved fruit, vegetable,...

10.2196/jmir.5712 article EN cc-by Journal of Medical Internet Research 2016-08-05

Aim: To evaluate the effects of a prolonged lockdown due to Coronavirus (COVID-19) on adoption newer technologies and changes in glycemic control patients with type 2 diabetes (T2D) India. Methods: The study population included random list 3000 individuals T2D derived from 30,748 who had visited large tertiary center during past year. survey was carried out through telephonic interview. A structured questionnaire used collect information lifestyle, access challenges care use such as...

10.1089/dia.2020.0240 article EN Diabetes Technology & Therapeutics 2020-06-11

This study examined β-cell function and insulin resistance (homeostasis model assessment-insulin [HOMA-IR]) in Asian Indian youth with type 2 diabetes mellitus (T2DM-Y) prediabetes.Eighty-two subjects non-insulin-requiring age of onset below 25 years were recruited within 18 months diagnosis compared age- sex-matched prediabetes (n=31) normal glucose tolerance (NGT) (n = 83). Body mass index (BMI) waist circumference measured, blood samples taken the fasting state after 30, 60, 90, 120 min...

10.1089/dia.2012.0259 article EN Diabetes Technology & Therapeutics 2013-03-13

The aim of the study was to evaluate usefulness capillary blood glucose (CBG) for diagnosis gestational diabetes mellitus (GDM) in resource-constrained settings where venous plasma (VPG) estimations may be impossible. Consecutive pregnant women (n = 1031) attending antenatal clinics southern India underwent 75-g oral tolerance test (OGTT). Fasting, 1- and 2-h VPG (AU2700 Beckman, Fullerton, CA) CBG (One Touch Ultra-II, LifeScan) were simultaneously measured. Sensitivity specificity estimated...

10.1007/s00592-015-0761-9 article EN cc-by Acta Diabetologica 2015-04-27

Aim: To describe the clinical profile, maternal and fetal outcomes, conversion rates to diabetes in women with gestational mellitus (GDM) seen at a tertiary care center urban south India. Materials Methods: Clinical case records of 898 GDM between 1991 2011 were extracted from Diabetes Electronic Medical Records (DEMR) Chennai, India their profile was analyzed. Follow-up data 174 available. determine diabetes, oral glucose tolerance test (OGTT) done these women. Glucose status postpartum...

10.4103/2230-8210.131205 article EN cc-by-nc-sa Indian Journal of Endocrinology and Metabolism 2014-01-01

To compare physical activity (PA) patterns in pregnant woman with and without gestational diabetes (GDM) to assess the effects of an exercise intervention on change PA patterns, blood glucose levels pregnancy outcomes GDM women.For first objective, were studied 795 women GDM. For second Women India Gestational Diabetes Strategy-Model Care (WINGS-MOC) evaluated 151 out 189 was assessed using a validated questionnaire pedometer. Changes glycemic parameters neonatal evaluated.Overall, only 10%...

10.1016/j.diabres.2016.04.041 article EN cc-by-nc-nd Diabetes Research and Clinical Practice 2016-04-30

To determine the prevalence of Gestational Diabetes Mellitus (GDM) in urban and rural Tamil Nadu southern India, using International Association Pregnancy Study Groups (IADPSG) World Health Organization (WHO) 1999 criteria for GDM. A total 2121 pregnant women were screened GDM from antenatal clinics government primary health centres Kancheepuram district (n = 520) private maternity Chennai city 1601) between January 2013 to December 2014. Oral glucose tolerance tests (OGTT) done after an...

10.1186/s40842-016-0028-6 article EN cc-by Clinical Diabetes and Endocrinology 2016-04-05

mHealth technology has the potential to deliver personalized health care; however, data on cardiometabolic risk factors are limited. This study aims assess effectiveness of mobile applications (apps) factor reduction in adults aged 25 60 years urban and rural India. The design was a pilot randomized controlled trial conducted Tamil Nadu, Smartphone users (25-60 years) with basic literacy at high developing diabetes (Indian Diabetes Risk Score ≥30 and/or fasting blood sugar [FBS] 100-125...

10.1177/19322968241310861 article EN Journal of Diabetes Science and Technology 2025-01-14

Background: Prevalence of type 2 diabetes (T2D) is increasing worldwide. Identifying and targeting individuals at high risk, essential for preventing T2D. Several studies point to mobile health initiatives delivered through personal smart devices being a promising approach prevention, weight loss. The aim the (mDiab) trial was twofold: achieve 5% loss look association with degree engagement mDiab app. Methods: randomized control carried out among smartphone users who are risk T2D mellitus in...

10.1089/dia.2019.0134 article EN Diabetes Technology & Therapeutics 2019-06-11

Several animal studies have shown a protective effect of helminth infections against type-1 diabetes mellitus (T1DM). However, epidemiologic demonstrating this relationship with T1DM are largely lacking, although an inverse correlation between the prevalence lymphatic filariasis (LF) and allergies autoimmunity has been shown. A cross-sectional study was undertaken in southern India to assess baseline seropositivity LF among persons (n = 200) normal glucose tolerant (NGT) 562). The 0% 2.6%...

10.4269/ajtmh.2010.10-0410 article EN public-domain American Journal of Tropical Medicine and Hygiene 2010-11-30

Aim: This study was designed to determine the prevalence of glucose intolerance (prediabetes or diabetes) in children and adolescents urban South India. Subjects Methods: Children (6–11 years old) (12–19 (n=1,519; 777 boys 742 girls) were randomly selected from residential apartments representing 10 corporation zones Chennai city. Height, weight, waist circumference, body fat percentage, blood pressure measured using standardized techniques. Investigations included oral tolerance test...

10.1089/dia.2012.0236 article EN Diabetes Technology & Therapeutics 2012-11-14

To determine postpartum glucose tolerance status among women with gestational diabetes mellitus (GDM) recruited under the Women In India GDM Strategy (WINGS) Model of Care (MOC).Through WINGS MOC programme, 212 were followed till delivery between November 2013 and August 2015. All advised to return for a oral test (OGTT) 6-12weeks after delivery. A multivariate logistic regression (MLR) model was developed identify risk factors dysglycemia which defined as presence (DM) or...

10.1016/j.diabres.2016.04.050 article EN cc-by-nc-nd Diabetes Research and Clinical Practice 2016-05-03
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