Gary K Grunwald

Summary

Affiliation: University of Colorado Health Sciences Center
Country: USA

Publications

  1. ncbi 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 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 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 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 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 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 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. ncbi 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 107:1847-56. 2009
  9. ncbi 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 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 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 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 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 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 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 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 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. ncbi 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 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. ncbi 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 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, clinicians should be aware of the importance of preoperative functional status as a unique predictor of mortality following valve surgery...
  11. ncbi 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 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. ncbi 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 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. ncbi 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 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
    ..CONCLUSIONS: We did not find an association between OPCABG volume with short-term mortality, perioperative morbidity, or intermediate-term (180-day) mortality...
  16. ncbi 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 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 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 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
    ..These findings may help clinicians identify appropriate management strategies for patients during the years after CABG surgery, and support an emphasis on noncardiac comorbidities during later postoperative periods...
  20. ncbi 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 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 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 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 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...
  24. ncbi 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 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...
  25. ncbi Relationship between processes of care and coronary bypass operative mortality and morbidity
    A Laurie W Shroyer
    Medical Research Service, Denver VA Medical Center, Denver, CO 80220, USA
    Med Care 42:59-70. 2004
    ..Further evaluation of these processes of care using observational data, as well as randomized trials when feasible, would be of interest...
  26. ncbi 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%...
  27. ncbi 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...
  28. ncbi 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 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
    ..This information may help clinicians focus management strategies for patients during the 7 months after operation...
  30. ncbi 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 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 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
    ..These findings further support the importance of depression as a risk marker for adverse outcomes after ACS...
  33. ncbi 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 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 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 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 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
    ..CONCLUSIONS: Simvastatin lowers hsCRP by 14 days, independent of its effect on LDL cholesterol. This rapid impact of a statin on hsCRP has potential implications in the management of acute coronary syndromes...
  38. ncbi 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
    ..DISCUSSION: These results suggest that abdominal adiposity as assessed by WC is associated with increased total health care charges and may be a better predictor of health care charges than the more widely used BMI...
  39. ncbi 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 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 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 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 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 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 Modest serum creatinine elevation affects adverse outcome after general surgery
    Ralph Gonzales
    Division of Cardiac Research, Denver Veterans Affairs Medical Center, Colorado, USA
    Kidney Int 62:585-92. 2002
    ..5 mg/dL) is a significant predictor of risk-adjusted morbidity and mortality after general surgery. A preoperative serum creatinine of 1.5 mg/dL or higher is a readily available marker for potential adverse outcomes after general surgery...
  46. ncbi 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 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...