Ronette L. Kolotkin

ORCID: 0000-0002-1300-2131
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About
Contact & Profiles
Research Areas
  • Bariatric Surgery and Outcomes
  • Obesity and Health Practices
  • Eating Disorders and Behaviors
  • Obesity, Physical Activity, Diet
  • Diet and metabolism studies
  • Pharmacology and Obesity Treatment
  • Diabetes Treatment and Management
  • Body Contouring and Surgery
  • Nutrition and Health in Aging
  • Cardiovascular Disease and Adiposity
  • Sexual function and dysfunction studies
  • Metabolism, Diabetes, and Cancer
  • Health Systems, Economic Evaluations, Quality of Life
  • Child Nutrition and Feeding Issues
  • Childhood Cancer Survivors' Quality of Life
  • Physical Activity and Health
  • Gastroesophageal reflux and treatments
  • Esophageal Cancer Research and Treatment
  • Esophageal and GI Pathology
  • Cancer Treatment and Pharmacology
  • Schizophrenia research and treatment
  • Cardiovascular Function and Risk Factors
  • Nutritional Studies and Diet
  • Obstructive Sleep Apnea Research
  • Music Therapy and Health

Helse Førde
2016-2025

Duke University
2016-2025

Sykehuset i Vestfold
2015-2024

Life Quality Resources
2015-2024

Western Norway University of Applied Sciences
2017-2024

Duke Medical Center
2008-2019

Duke University Hospital
2008-2019

Cornell University
2019

Neuropsychiatric Research Institute
2019

Temple University
2019

Few long-term or controlled studies of bariatric surgery have been conducted to date. We report the 12-year follow-up results an observational, prospective study Roux-en-Y gastric bypass that was in United States.A total 1156 patients with severe obesity comprised three groups: 418 who sought and underwent (surgery group), 417 but did not undergo (primarily for insurance reasons) (nonsurgery group 1), 321 seek 2). performed clinical examinations at baseline 2 years, 6 12 years ascertain...

10.1056/nejmoa1700459 article EN New England Journal of Medicine 2017-09-20

Extreme obesity is associated with health and cardiovascular disease risks. Although gastric bypass surgery induces rapid weight loss ameliorates many of these risks in the short term, long-term outcomes are uncertain.To examine association Roux-en-Y (RYGB) loss, diabetes mellitus, other 6 years after surgery.A prospective Utah-based study conducted between July 2000 June 2011 1156 severely obese (body mass index [BMI] ≥ 35) participants aged 18 to 72 (82% women; mean BMI, 45.9; 95% CI,...

10.1001/2012.jama.11164 article EN JAMA 2012-09-19

Obesity researchers have a growing interest in measuring the impact of weight and reduction on quality life. The Impact Weight Quality Life questionnaire (IWQOL) was first self-report instrument specifically developed to assess effect obesity Although IWQOL has demonstrated excellent psychometric properties, its length (74 items) makes it somewhat cumbersome as an outcome measure clinical research. This report describes development 31-item version (IWQOL-Lite).IWQOLs from 996 obese patients...

10.1038/oby.2001.13 article EN Obesity Research 2001-02-01

Context Although commercial weight loss programs provide treatment to millions of clients, their efficacy has not been evaluated in rigorous long-term trials. Objective To compare and health benefits achieved maintained through self-help vs with a structured program. Design Setting A 2-year, multicenter randomized clinical trial clinic visits at 12, 26, 52, 78, 104 weeks conducted 6 academic research centers the United States between January 1998 2001. Participants Overweight obese men (n =...

10.1001/jama.289.14.1792 article EN JAMA 2003-04-09

ACTION (Awareness, Care, and Treatment in Obesity maNagement) examined obesity-related perceptions, attitudes, behaviors among people with obesity (PwO), health care providers (HCPs), employer representatives (ERs).A total of 3,008 adult PwO (BMI ≥ 30 by self-reported height weight), 606 HCPs, 153 ERs completed surveys a cross-sectional design.Despite several weight loss (WL) attempts, only 23% reported 10% WL during the previous 3 years. Many (65%) recognized as disease, but 54% worried...

10.1002/oby.22054 article EN Obesity 2017-10-31

Abstract This paper is a preliminary report on the development of new instrument, Impact Weight Quality Life (IWQOL) questionnaire, that assesses effects weight various areas life. We conducted two studies utilizing subjects in treatment for obesity at Duke University Diet and Fitness Center. The first study describes item development, reliability, compares pre‐ post‐treatment scores IWQOL. In second we examined body mass index (BMI), gender, age subjects' perceptions impact quality Results...

10.1002/j.1550-8528.1995.tb00120.x article EN Obesity Research 1995-01-01

Abstract Objective: To compare the health‐related quality of life (HRQOL) overweight/obese individuals from different subgroups that vary in treatment‐seeking status and treatment intensity. Research Methods Procedures: Participants were five distinct groups, representing a continuum intensity: community volunteers who not enrolled weight‐loss treatment, clinical trial participants, outpatient program/studies participants day program for obesity, gastric bypass patients. The sample was large...

10.1038/oby.2002.102 article EN Obesity Research 2002-08-01

Abstract Objective: This is a report of health‐related quality life (HRQOL) changes in obese patients completing at least 1 year outpatient treatment weight reduction program combining phentermine‐fenfluramine and dietary counseling. Research Methods Procedures: Participants were 141 women (87.6%) 20 men (12.4%) who had an average body mass index intake 41.1 kg/m 2 (SD = 7.0, range 29.5 to 67.0 ) age 44.9 years 9.3, 23 65 years). HRQOL was assessed 1‐year follow‐up using the Impact Weight on...

10.1038/oby.2001.73 article EN Obesity Research 2001-09-01

Abstract Objectives : Reduced sexual quality of life is a frequently reported yet rarely studied consequence obesity. The objectives this study were to 1) examine the prevalence quality‐of‐life difficulties in obese individuals and 2) investigate association between BMI class, sex, obesity treatment—seeking status. Research Methods Procedures Subjects consisted 500 participants an intensive residential program for weight loss lifestyle modification (BMI = 41.3 kg/m 2 ), 372 patients...

10.1038/oby.2006.62 article EN Obesity 2006-03-01

The development of a new weight-related measure to assess quality life in adolescents [Impact Weight on Quality Life (IWQOL)-Kids] is described.Using literature search, clinical experience, and consultation with pediatric clinicians, 73 items were developed, pilot tested, administered 642 participants, 11 19 years old, recruited from weight loss programs/studies community samples (mean z-BMI, 1.5; range, -1.2 3.4; mean age, 14.0; 60% female; 56% white). Participants completed the Pediatric...

10.1038/oby.2006.59 article EN Obesity 2006-03-01

The effect of bariatric surgery on the reproductive function obese men is not entirely elucidated.The aim study was to define Roux-En-Y gastric bypass hormones and sexual in men.The cohort followed for 2 yr at a clinical research center.Sixty-four severely (22 who had 42 controls) participated study.Anthropometrics [weight, body mass index (BMI), percentage fat] were measured. quality life assessed using Impact Weight Quality Of Life-Lite questionnaire.Reproductive measured.The mean age 48.9...

10.1210/jc.2008-1598 article EN The Journal of Clinical Endocrinology & Metabolism 2009-01-28

Health-related quality of life (HRQOL) has been used increasingly as an outcome measure in clinical research. Although the generic instruments previous research, disease-specific offer greater sensitivity and responsiveness to change than instruments. No such instrument is currently available that applies eating-disordered samples.The current article reports on development validation Eating Disorders Quality Life (EDQOL) instrument, a HRQOL self-report questionnaire designed for disordered...

10.1002/eat.20200 article EN International Journal of Eating Disorders 2005-11-22

Favorable health outcomes at 2 years postbariatric surgery have been reported. With exception of the Swedish Obesity Subjects (SOS) study, these studies surgical case series, comparison types, or patients compared to subjects enrolled in planned nonsurgical intervention. This study measured gastric bypass effectiveness when two separate severely obese groups not participating designed weight-loss Three (N = 1,156, BMI >or= 35 kg/m(2)) were studied: (n 420), seeking but did 415), and...

10.1038/oby.2009.178 article EN Obesity 2009-06-04

There is limited long-term data comparing the outcomes of sleeve gastrectomy (SG) and Roux-en-Y gastric bypass (RYGB) for severe obesity, both with respect to body weight, quality life (QOL) comorbidities. We aimed determine 7-year trajectories mass index (BMI), QOL, obesity-related comorbidities, biomarkers glucose lipid metabolism, early major complications after SG RYGB.Patients scheduled bariatric surgery at two Norwegian hospitals, preferentially performing either or RYGB, were included...

10.1038/s41366-021-01028-5 article EN cc-by International Journal of Obesity 2022-01-01
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