Gary K Grunwald

Summary

Affiliation: University of Colorado Health Sciences Center
Country: USA

Publications

  1. ncbi request reprint Comparison of methods for achieving 24-hour energy balance in a whole-room indirect calorimeter
    Gary K Grunwald
    Department of Preventive Medicine and Biometrics, University of Colorado Health Sciences Center, Denver Colorado 80262, USA
    Obes Res 11:752-9. 2003
  2. ncbi request reprint Quantifying and separating the effects of macronutrient composition and non-macronutrients on energy density
    G K Grunwald
    Center for Human Nutrition, University of Colorado Health Sciences Center, Denver, CO 80262, USA
    Br J Nutr 86:265-76. 2001
  3. ncbi request reprint Number of days, number of subjects, and sources of variation in longitudinal intervention or crossover feeding trials with multiple days of measurement
    Gary K Grunwald
    Center for Human Nutrition and Department of Preventive Medicine and Biometrics, University of Colorado Health Sciences Center, Denver, CO 80262, USA
    Br J Nutr 90:1087-95. 2003
  4. ncbi request reprint Total energy expenditure and carbohydrate oxidation are increased in the human immunodeficiency virus lipodystrophy syndrome
    Lisa A Kosmiski
    Department of Medicine, Division of Endocrinology, Metabolism and Diabetes, University of Colorado Health Sciences Center, Denver, CO 80262, USA
    Metabolism 52:620-5. 2003
  5. ncbi request reprint Resistance and aerobic exercise have similar effects on 24-h nutrient oxidation
    Edward L Melanson
    Center for Human Nutrition, University of Colorado Health Sciences Center, Denver, 80262, USA
    Med Sci Sports Exerc 34:1793-800. 2002
  6. ncbi request reprint Outcomes after acute coronary syndrome admission to primary versus tertiary Veterans Affairs medical centers: the Veterans Affairs Access to Cardiology study
    John S Rumsfeld
    Cardiology and Health Services Research, Denver VA Medical Center, Denver, CO 80220, USA
    Am Heart J 151:32-8. 2006
  7. ncbi request reprint Twenty-four-hour metabolic responses to resistance exercise in women
    Edward L Melanson
    Center for Human Nutrition, University of Colorado Health Sciences Center, Denver, Colorado 80262, USA
    J Strength Cond Res 19:61-6. 2005
  8. pmc When energy balance is maintained, exercise does not induce negative fat balance in lean sedentary, obese sedentary, or lean endurance-trained individuals
    Edward L Melanson
    Division of Endocrinology, Metabolism, and Diabetes, Center for Human Nutrition, University of Colorado Denver, School of Medicine, Denver, Colorado 80045, USA
    J Appl Physiol (1985) 107:1847-56. 2009
  9. doi request reprint Idiopathic pulmonary fibrosis: physiologic tests, quantitative CT indexes, and CT visual scores as predictors of mortality
    Alan C Best
    Department of Radiology, University of Colorado Denver, 4200 E 9th Ave, Denver, CO 80262, USA
    Radiology 246:935-40. 2008
  10. ncbi request reprint Comparison of short-term mortality risk factors for valve replacement versus coronary artery bypass graft surgery
    Sheila C Gardner
    Department of Veterans Affairs Medical Center, Denver, Colorado, USA
    Ann Thorac Surg 77:549-56. 2004

Detail Information

Publications47

  1. ncbi request reprint Comparison of methods for achieving 24-hour energy balance in a whole-room indirect calorimeter
    Gary K Grunwald
    Department of Preventive Medicine and Biometrics, University of Colorado Health Sciences Center, Denver Colorado 80262, USA
    Obes Res 11:752-9. 2003
    ..To evaluate and compare methods for achieving 24-hour energy balance in a whole-room indirect calorimeter...
  2. ncbi request reprint Quantifying and separating the effects of macronutrient composition and non-macronutrients on energy density
    G K Grunwald
    Center for Human Nutrition, University of Colorado Health Sciences Center, Denver, CO 80262, USA
    Br J Nutr 86:265-76. 2001
    ..These results illustrate the importance of considering non-macronutrients in the design and analysis of experimental or observational dietary data...
  3. ncbi request reprint Number of days, number of subjects, and sources of variation in longitudinal intervention or crossover feeding trials with multiple days of measurement
    Gary K Grunwald
    Center for Human Nutrition and Department of Preventive Medicine and Biometrics, University of Colorado Health Sciences Center, Denver, CO 80262, USA
    Br J Nutr 90:1087-95. 2003
    ..Greater precision and fewer required days were noted in the study (Olestra) that exerted greater control over the subjects and diets during the feeding protocol...
  4. ncbi request reprint Total energy expenditure and carbohydrate oxidation are increased in the human immunodeficiency virus lipodystrophy syndrome
    Lisa A Kosmiski
    Department of Medicine, Division of Endocrinology, Metabolism and Diabetes, University of Colorado Health Sciences Center, Denver, CO 80262, USA
    Metabolism 52:620-5. 2003
    ..The increase in TEE appears to be due to increases in REE. The pathogenesis of elevated EE in HIV lipodystrophy and other forms of lipodystrophy remains to be determined...
  5. ncbi request reprint Resistance and aerobic exercise have similar effects on 24-h nutrient oxidation
    Edward L Melanson
    Center for Human Nutrition, University of Colorado Health Sciences Center, Denver, 80262, USA
    Med Sci Sports Exerc 34:1793-800. 2002
    ..Whether resistance exercise is as effective as aerobic exercise for body-weight management is debated...
  6. ncbi request reprint Outcomes after acute coronary syndrome admission to primary versus tertiary Veterans Affairs medical centers: the Veterans Affairs Access to Cardiology study
    John S Rumsfeld
    Cardiology and Health Services Research, Denver VA Medical Center, Denver, CO 80220, USA
    Am Heart J 151:32-8. 2006
    ..We compared the health status and rehospitalization of patients with ACS admitted to primary versus tertiary care Veterans Affairs hospitals...
  7. ncbi request reprint Twenty-four-hour metabolic responses to resistance exercise in women
    Edward L Melanson
    Center for Human Nutrition, University of Colorado Health Sciences Center, Denver, Colorado 80262, USA
    J Strength Cond Res 19:61-6. 2005
    ..Thus, in women, the increase in EE due to resistance exercise is largely seen during and immediately after the exercise. The increased energy demand is met by increased carbohydrate oxidation, with no increase in 24-hour fat oxidation...
  8. pmc When energy balance is maintained, exercise does not induce negative fat balance in lean sedentary, obese sedentary, or lean endurance-trained individuals
    Edward L Melanson
    Division of Endocrinology, Metabolism, and Diabetes, Center for Human Nutrition, University of Colorado Denver, School of Medicine, Denver, Colorado 80045, USA
    J Appl Physiol (1985) 107:1847-56. 2009
    ..e., energy balance is maintained), 24-h fat oxidation does not increase and in fact, may be slightly decreased. It appears that the state of energy balance is an underappreciated factor determining the impact of exercise on fat oxidation...
  9. doi request reprint Idiopathic pulmonary fibrosis: physiologic tests, quantitative CT indexes, and CT visual scores as predictors of mortality
    Alan C Best
    Department of Radiology, University of Colorado Denver, 4200 E 9th Ave, Denver, CO 80262, USA
    Radiology 246:935-40. 2008
    ....
  10. ncbi request reprint Comparison of short-term mortality risk factors for valve replacement versus coronary artery bypass graft surgery
    Sheila C Gardner
    Department of Veterans Affairs Medical Center, Denver, Colorado, USA
    Ann Thorac Surg 77:549-56. 2004
    ..However, little is known about how the risk factors for short-term mortality following valve replacement procedures (with or without a CABG procedure performed) compare with CABG only risk factors...
  11. ncbi request reprint Changes in 24-h substrate oxidation in older and younger men in response to exercise
    Edward L Melanson
    Division of Endocrinology, Metabolism, and Diabetes, University of Colorado at Denver Health Sciences Center, Denver, CO 80262, USA
    J Appl Physiol (1985) 103:1576-82. 2007
    ..We speculate that differences in the availability of circulating free fatty acids in the postprandial state contributed to the observed differences in 24-h fat oxidation in OM and YM...
  12. doi request reprint Dietary fat increases energy intake across the range of typical consumption in the United States
    William Donahoo
    Kaiser Permanente Colorado, Denver, Colorado, USA
    Obesity (Silver Spring) 16:64-9. 2008
    ..This study was designed to measure accurately the voluntary food and energy intake over a range of typical intake for dietary fat...
  13. ncbi request reprint Relationship of body mass index with outcomes after coronary artery bypass graft surgery
    Brandie D Wagner
    Division of Cardiac Research, Department of Veterans Affairs Medical Center, Eastern Colorado Health Care System, Denver, Colorado 80220, USA
    Ann Thorac Surg 84:10-6. 2007
    ..This study aims to investigate this association, and to uncover possible explanations for the lack of consensus across prior studies...
  14. pmc The association between processes, structures and outcomes of secondary prevention care among VA ischemic heart disease patients
    P Michael Ho
    Department of Medicine, University of Colorado Health Sciences Center, Denver, CO, USA
    BMC Cardiovasc Disord 6:6. 2006
    ....
  15. ncbi request reprint Exploring the volume-outcome relationship for off-pump coronary artery bypass graft procedures
    Mary E Plomondon
    Eastern Colorado Health Care System, Department of Veterans Affairs Medical Center, Denver, Colorado 80220, USA
    Ann Thorac Surg 81:547-53. 2006
    ....
  16. ncbi request reprint Differences in resting metabolic rate between white and African-American young adults
    Teresa A Sharp
    Center for Human Nutrition, University of Colorado Health Sciences Center, Denver, Colorado 80262, USA
    Obes Res 10:726-32. 2002
    ..A reported lower resting metabolic rate (RMR) in African-American women than in white women could explain the higher prevalence of obesity in the former group. Little information is available on RMR in African-American men...
  17. ncbi request reprint Primary care provider turnover and quality in managed care organizations
    Mary E Plomondon
    Eastern Colorado Health Care System, Department of Veterans Affairs Medical Center, Denver, Colo 80220, USA
    Am J Manag Care 13:465-72. 2007
    ..To examine the association between primary care provider turnover in managed care organizations and measures of member satisfaction and preventive care...
  18. ncbi request reprint Association of anthropometric measures with risk of diabetes and cardiovascular disease in Hispanic and Caucasian adolescents
    Teresa A Sharp
    Center for Human Nutrition, University of Colorado Health Sciences Center, Denver, CO 80262, USA
    Prev Med 37:611-6. 2003
    ..There are limited data relating obesity status in Hispanic adolescents to diabetes and CVD risk...
  19. ncbi request reprint Time-varying risk factors for long-term mortality after coronary artery bypass graft surgery
    Dexiang Gao
    Department of Veterans Affairs Medical Center, Denver, Colorado 80220, USA
    Ann Thorac Surg 81:793-9. 2006
    ..There is a substantial literature on short-term mortality risk factors for coronary artery bypass graft (CABG) surgery. However, very few studies have examined risk factors for long-term mortality...
  20. doi request reprint Physical activity patterns using accelerometry in the National Weight Control Registry
    Victoria A Catenacci
    Center for Human Nutrition, University of Colorado Denver, Denver, Colorado, USA
    Obesity (Silver Spring) 19:1163-70. 2011
    ..e., ≥10 min in duration) may play an important role. Interventions targeting increases in structured exercise may be needed to improve long-term weight-loss maintenance...
  21. ncbi request reprint Effects of short-term overfeeding on hunger, satiety, and energy intake in thin and reduced-obese individuals
    Marc Andre Cornier
    Division of Endocrinology, Metabolism, and Diabetes, Department of Medicine, University of Colorado Health Sciences Center, 4200 E 9th Ave, B 151, Denver, CO 80226, USA
    Appetite 43:253-9. 2004
    ..These individuals may sense positive energy balance more appropriately than those individuals prone to weight gain...
  22. ncbi request reprint Effect of exercise intensity on 24-h energy expenditure and nutrient oxidation
    Edward L Melanson
    Center for Human Nutrition, University of Colorado Health Sciences Center, Denver, Colorado 80262, USA
    J Appl Physiol (1985) 92:1045-52. 2002
    ..It is concluded that exercise intensity has no effect on 24-h EE or nutrient oxidation. Additionally, it appears that women may sustain slightly greater 24-h fat oxidation rates during waking and active periods of the day...
  23. ncbi request reprint Glucose kinetics differ between women and men, during and after exercise
    Tracy J Horton
    Section of Nutrition, Box C225, Department of Pediatrics, University of Colorado Health Sciences Center, 4200 East 9th Ave, and Department of Preventive Medicine, Kaiser Permanente, Denver, CO 80262, USA
    J Appl Physiol (1985) 100:1883-94. 2006
    ..Sex differences in the glucagon increase to exercise, and/or the epinephrine levels during exercise, may play a role in determining these sex differences in exercise glucose turnover...
  24. ncbi request reprint Serum lithium concentration can be used to assess dietary compliance in adults
    William T Donahoo
    Department of Medicine, Division of Endocrinology, University of Colorado Health Sciences Center, Denver, CO, USA
    J Nutr 134:3133-6. 2004
    ..Li can be used as a biomarker to determine dietary compliance. Measuring serum Li 3-9 h after the last dose provides the highest sensitivity and specificity for noncompliance at doses <70%...
  25. ncbi request reprint Analysis of longitudinal count data with serial correlation
    Stanley Xu
    Kaiser Permanente Colorado, P O Box 378066, Denver, Colorado 80237, USA
    Biom J 49:416-28. 2007
    ..The model is applied to Epileptic Seizure data and Primary Care Visits Data. Missing and unequally spaced observations are handled naturally with this model...
  26. ncbi request reprint Cardiology management improves secondary prevention measures among patients with coronary artery disease
    P Michael Ho
    Health Services Research, Denver Veterans Affairs Medical Center, University of Colorado Health Sciences Center, 80220, USA
    J Am Coll Cardiol 43:1517-23. 2004
    ..The goal of this study was to determine if cardiology subspecialty involvement improves the attainment of recommended low-density lipoprotein (LDL) cholesterol and blood pressure (BP) targets in coronary artery disease (CAD) patients...
  27. ncbi request reprint Relationship between processes of care and coronary bypass operative mortality and morbidity
    MAUREEN M O'BRIEN
    Medical Research Service, Denver VA Medical Center, Denver, CO 80220, USA
    Med Care 42:59-70. 2004
    ....
  28. pmc Dual-energy X-ray absorptiometry modeling to explain the increased resting energy expenditure associated with the HIV lipoatrophy syndrome
    Lisa A Kosmiski
    Departments of Medicine and Biostatistics and Informatics, Colorado School of Public Health, University of Colorado, Denver, Denver, CO, USA
    Am J Clin Nutr 90:1525-31. 2009
    ....
  29. ncbi request reprint Variation in mortality risk factors with time after coronary artery bypass graft operation
    Dexiang Gao
    Department of Veterans Affairs Medical Center, Denver, Colorado 80220, USA
    Ann Thorac Surg 75:74-81. 2003
    ..However, little is known about the time-varying effects of mortality risk factors after the operation...
  30. ncbi request reprint Weight loss in a community initiative that promotes decreased energy intake and increased physical activity and dairy consumption: Calcium Weighs-In
    Holly R Wyatt
    University of Colorado at Denver and Health Sciences Center, Dept of Pediatrics, Center for Human Nutrition, Denver, CO 80262, USA
    J Phys Act Health 5:28-44. 2008
    ..This project addresses the need to identify feasible, effective weight-management programs that can be implemented within communities. The controversial role of dairy products in weight-management programs is also explored...
  31. ncbi request reprint Carbohydrate balance predicts weight and fat gain in adults
    Robert H Eckel
    Division of Endocrinology, Metabolism, and Diabetes, University of Colorado at Denver and Health Sciences Center, PO Box 6511, MS 8106, Aurora, CO 80045, USA
    Am J Clin Nutr 83:803-8. 2006
    ..The prevention and treatment of obesity is a public health challenge...
  32. ncbi request reprint History of depression, angina, and quality of life after acute coronary syndromes
    John S Rumsfeld
    Cardiology, Denver VA Medical Center, Denver, Colo 80206, USA
    Am Heart J 145:493-9. 2003
    ..We evaluated the association between a history of depression and patient-reported angina frequency, physical limitation, and quality of life 7 months after discharge from the hospital for ACS...
  33. ncbi request reprint Continuous time Markov models for binary longitudinal data
    Richard H Jones
    Department of Preventive Medicine and Biometrics, University of Colorado Health Sciences Center, Campus Box B119, Denver, CO 80262, USA
    Biom J 48:411-9. 2006
    ..These models are applied to an intervention study designed to reduce children's sun exposure...
  34. ncbi request reprint The induction of human superoxide dismutase and catalase in vivo: a fundamentally new approach to antioxidant therapy
    Sally K Nelson
    Webb Waring Institute for Cancer, Aging and Antioxidant Research, University of Colorado Denver Health Sciences Center, Denver, CO 80262, USA
    Free Radic Biol Med 40:341-7. 2006
    ....
  35. ncbi request reprint Long-term weight loss and breakfast in subjects in the National Weight Control Registry
    Holly R Wyatt
    University of Colorado Health Sciences Center, Denver, Colorado 80262, USA
    Obes Res 10:78-82. 2002
    ..To examine breakfast consumption in subjects maintaining a weight loss in the National Weight Control Registry (NWCR)...
  36. ncbi request reprint Quantitative CT indexes in idiopathic pulmonary fibrosis: relationship with physiologic impairment
    Alan C Best
    Department of Radiology, University of Colorado Health Sciences Center, 3025 E 11th Ave, Denver, CO 80262, USA
    Radiology 228:407-14. 2003
    ....
  37. ncbi request reprint Simvastatin lowers C-reactive protein within 14 days: an effect independent of low-density lipoprotein cholesterol reduction
    Julie K Plenge
    Division of Endocrinology, Metabolism, and Diabetes, University of Colorado Health Sciences Center, Denver, Colo 80262, USA
    Circulation 106:1447-52. 2002
    ..The purpose of this study was to determine the rate at which highly sensitive C-reactive protein (hsCRP) levels change after initiation of simvastatin and whether this occurs independently of the change in LDL cholesterol...
  38. ncbi request reprint Relationship between waist circumference, body mass index, and medical care costs
    Marc Andre Cornier
    Department of Medicine, Denver Health Medical Center and Division of Endocrinology, Metabolism, and Diabetes, University of Colorado Health Sciences Center, Denver, Colorado 80204, USA
    Obes Res 10:1167-72. 2002
    ..Waist circumference (WC) provides information about regional adiposity and may correlate with health care costs better than body weight or BMI...
  39. ncbi request reprint The impact of ethnicity on outcomes following coronary artery bypass graft surgery in the Veterans Health Administration
    John S Rumsfeld
    Cardiology 111B, Denver VA Medical Center, 1055 Clermont Street, Denver, Colorado 80222, USA
    J Am Coll Cardiol 40:1786-93. 2002
    ..We evaluated the effect of African American (AA) and Hispanic American (HA) ethnicity on mortality and complications following coronary artery bypass graft (CABG) surgery in the Veterans Health Administration (VHA)...
  40. ncbi request reprint Zinc absorption from low-phytate hybrids of maize and their wild-type isohybrids
    K Michael Hambidge
    University of Colorado Health Sciences Center, Department of Pediatrics, Section of Nutrition, Denver 80262, USA
    Am J Clin Nutr 79:1053-9. 2004
    ....
  41. ncbi request reprint Disease severity at time of referral for pediatric failure to thrive and obesity: time for a paradigm shift?
    Laurie A Miller
    Section of Nutrition, Department of Pediatrics, University of Colorado School of Medicine, Denver 80262, USA
    J Pediatr 141:121-4. 2002
    ..Results indicated that underweight children were mildly underweight, whereas the overweight children were severely so. In primary care settings, underweight children may be referred more aggressively than overweight children...
  42. ncbi request reprint Analysis of repeated measures data with clumping at zero
    Janet A Tooze
    National Cancer Institute, Executive Plaza North, Suite 3131, 6130 Executive Blvd, MSC7354, Bethesda, MD 20892 7354, USA
    Stat Methods Med Res 11:341-55. 2002
    ..The proposed methods are illustrated with analyses of effects of several covariates on medical expenditures in 1996 for subjects clustered within households using data from the Medical Expenditure Panel Survey...
  43. ncbi request reprint Mixed models for the analysis of replicated spatial point patterns
    Melanie L Bell
    Department of Preventive and Social Medicine, University of Otago, PO Box 913, Dunedin, New Zealand
    Biostatistics 5:633-48. 2004
    ..Fixed- and mixed-effect models are compared, and in some respects the mixed model is found to be superior. An example using the Strauss process for modeling neuron locations in post-mortem brain slices is shown...
  44. ncbi request reprint Zinc absorption in Guatemalan schoolchildren fed normal or low-phytate maize
    Manolo Mazariegos
    Center for Studies of Sensory Impairments, Aging, and Metabolism, Guatemala City, Guatemala
    Am J Clin Nutr 83:59-64. 2006
    ..Poor bioavailability of zinc from high-phytate diets is an important contributory factor to zinc deficiency in low-income populations...
  45. ncbi request reprint Modest serum creatinine elevation affects adverse outcome after general surgery
    MAUREEN M O'BRIEN
    Division of Cardiac Research, Denver Veterans Affairs Medical Center, Colorado, USA
    Kidney Int 62:585-92. 2002
    ..5 to 3.0 mg/dL) has been recently shown to be independently associated with morbidity and mortality after cardiac surgery. It is important to know if this association can be applied more broadly to general surgery cases...
  46. ncbi request reprint Standard versus fiberoptic pulmonary artery catheterization for cardiac surgery in the Department of Veterans Affairs: a prospective, observational, multicenter analysis
    Martin J London
    San Francisco Veterans Affairs Medical Center and the Department of Anesthesia and Perioperative Care, University of California San Francisco, San Francisco, California 94121 1598, USA
    Anesthesiology 96:860-70. 2002
    ..Here the authors relate these data to clinical outcomes...
  47. ncbi request reprint Relationship of processes and structures of care in general surgery to postoperative outcomes: a hierarchical analysis
    Tracy L Schifftner
    National Surgical Quality Improvement Program, Office of Patient Care Services, Department of Veterans Affairs, Aurora, CO, USA
    J Am Coll Surg 204:1166-77. 2007
    ..The purpose of this study was to identify the important processes and structures of surgical care that relate to 30-day, risk-adjusted postoperative morbidity in general surgery...