REFERENCES
- Jaeschke R, Singer J, Guyatt G H. Measurement of health status. Ascertaining the minimal clinically important difference. Control Clin Trials 1989; 10(4):407–415. [PUBMED], [INFOTRIEVE]
- Beaton D E, Boers M, Wells G A. Many faces of the minimal clinically important difference (MCID): a literature review and directions for future research. Curr Opin Rheumatol 2002; 14(2):109–114. [PUBMED], [INFOTRIEVE], [CSA], [CROSSREF]
- Pauwels R A, Buist A S, Calverley P M, Jenkins C R, Hurd S S. Global strategy for the diagnosis, management, and prevention of chronic obstructive pulmonary disease. NHLBI/WHO global initiative for chronic obstructive lung disease (GOLD) workshop summary. Am J Respir Crit Care Med 2001; 163(5):1256–1276. [PUBMED], [INFOTRIEVE], [CSA]
- Wouters E FM. Chronic obstructive pulmonary disease. 5: systemic effects of COPD. Thorax 2002; 57(12):1067–1070. [PUBMED], [INFOTRIEVE], [CROSSREF]
- Dornhorst A. Respiratory insufficiency. Lancet 1955; 268:1185–1187. [PUBMED], [INFOTRIEVE]
- Filley G, Beckwill H, Reever J, Mitchell R. Chronic obstructive bronchopulmonary disease. II. Oxygen transport in two clinical types. Am J Med 1968; 44(1):26–38. [PUBMED], [INFOTRIEVE], [CROSSREF]
- Vandenbergh E, Van de Woestijne K P, Gyselen A. Weight changes in the terminal stages of chronic obstructive pulmonary disease. Relation to respiratory function and prognosis. Am Rev Respir Dis 1967; 95(4):556–566. [PUBMED], [INFOTRIEVE]
- Anonymous. Metropolitan life insurance company. New weight standards for men and women. Bull Metropol Life Found 1983; 64:1–4.
- Jebb S A, Murgatroyd P R, Goldberg G R, Prentice A M, Coward W A. In vivo measurement of changes in body composition: description of methods and their validation against 12-d continuous whole-body calorimetry. Am J Clin Nutr 1993; 58(4):455–462. [PUBMED], [INFOTRIEVE]
- U.S. Department of Agriculture and U.S. Department of Health and Human Services. Nutrition and Your Health: Dietary Guidelines for Americans. 5th ed. Home and Garden Bulletin no. 232, Washington, DC: U.S. Government Printing Office, 2000.
- Roubenoff R, Heymsfield S B, Kehayias J J, Cannon J G, Rosenberg I H. Standardization of nomenclature of body composition in weight loss. Am J Clin Nutr 1997; 66(1):192–196. [PUBMED], [INFOTRIEVE], [CSA]
- Schols A M, Soeters P B, Dingemans A M, Mostert R, Frantzen P J, Wouters E F. Prevalence and characteristics of nutritional depletion in patients with stable COPD eligible for pulmonary rehabilitation. Am Rev Respir Dis 1993; 147(5):1151–1156. [PUBMED], [INFOTRIEVE]
- Engelen M P, Schols A M, Baken W C, Wesseling G J, Wouters E F. Nutritional depletion in relation to respiratory and peripheral skeletal muscle function in out-patients with COPD. Eur Respir J 1994; 7(10):1793–1797. [PUBMED], [INFOTRIEVE], [CROSSREF]
- Wilson D O, Rogers R M, Wright E C, Anthonisen N R. Body weight in chronic obstructive pulmonary disease. The national institutes of health intermittent positive-pressure breathing trial. Am Rev Respir Dis 1989; 139(6):1435–1438. [PUBMED], [INFOTRIEVE]
- Chailleux E, Laaban J P, Veale D. Prognostic value of nutritional depletion in patients with COPD treated by long-term oxygen therapy: data from the ANTADIR observatory. Chest 2003; 123(5):1460–1466. [PUBMED], [INFOTRIEVE], [CROSSREF]
- Laaban J P, Kouchakji B, Dore M F, Orvoen-Frija E, David P, Rochemaure J. Nutritional status of patients with chronic obstructive pulmonary disease and acute respiratory failure. Chest 1993; 103(5):1362–1368. [PUBMED], [INFOTRIEVE]
- Schwebel C, Pin I, Barnoud D, Devouassoux G, Brichon P Y, Chaffanjon P, Chavanon O, Sessa C, Blin D, Guignier M, Leverve X, Pison C. Prevalence and consequences of nutritional depletion in lung transplant candidates. Eur Respir J 2000; 16(6):1050–1055. [PUBMED], [INFOTRIEVE], [CROSSREF]
- van Bokhorst-de van der Schueren M A, van Leeuwen P A, Sauerwein H P, Kuik D J, Snow G B, Quak J J. Assessment of malnutrition parameters in head and neck cancer and their relation to postoperative complications. Head Neck 1997; 19(5):419–425. [PUBMED], [INFOTRIEVE], [CROSSREF]
- Kruizenga H M, Wierdsma N J, van Bokhorst M A, de van der Schueren, Haollander H J, Jonkers-Schuitema C F, van der Heijden E, Melis G C, van Staveren W A. Screening of nutritional status in The Netherlands. Clin Nutr 2003; 22(2):147–152. [PUBMED], [INFOTRIEVE], [CSA], [CROSSREF]
- Ziegenspeck D, Sundermann A, Roth W. Das Korpergewicht beim Lungenemphysem (eine Klinishstatistische Studie). Allerg Immunol (Leipz.) 1963; 9:233–242.
- Sukumalchantra Y, Williams M H Jr. Serial studies of pulmonary function in patients with chronic obstructive pulmonary disease. Am J Med 1965; 39(6):941–945. [PUBMED], [INFOTRIEVE], [CROSSREF]
- Openbrier D R, Irwin M M, Rogers R M, Gottlieb G P, Dauber J H, Van Thiel D H, Pennock B E. Nutritional status and lung function in patients with emphysema and chronic bronchitis. Chest 1983; 83(1):17–22. [PUBMED], [INFOTRIEVE]
- Engelen M P, Schols A MWJ, Heidendal G A, Wouters E F. Dual-energy X-ray absorptiometry in the clinical evaluation of body composition and bone mineral density in patients with chronic obstructive pulmonary disease. Am J Clin Nutr 1998; 68:1298–1303. [PUBMED], [INFOTRIEVE], [CSA]
- Engelen M PKJ, Schols A MWJ, Lamers R JS, Wouters E FM. Different patterns of chronic tissue wasting among patients with chronic obstructive pulmonary disease. Clin Nutr 1999; 18:275–280. [PUBMED], [INFOTRIEVE], [CSA], [CROSSREF]
- Gosselink R, Troosters T, Decramer M. Peripheral muscle weakness contributes to exercise limitation in COPD. Am J Respir Crit Care Med 1996; 153(3):976–980. [PUBMED], [INFOTRIEVE], [CSA]
- Hamilton A L, Killian K J, Summers E, Jones N L. Muscle strength, symptom intensity, and exercise capacity in patients with cardiorespiratory disorders. Am J Respir Crit Care Med 1995; 152(6 Pt 1):2021–2031. [PUBMED], [INFOTRIEVE], [CSA]
- Baarends E M, Schols A M, Mostert R, Wouters E F. Peak exercise response in relation to tissue depletion in patients with chronic obstructive pulmonary disease. Eur Respir J 1997; 10(12):2807–2813. [PUBMED], [INFOTRIEVE], [CROSSREF]
- Gosker H R, Lencer N H, Franssen F M, van der Vusse G J, Wouters E F, Schols A M. Striking similarities in systemic factors contributing to decreased exercise capacity in patients with severe chronic heart failure or COPD. Chest 2003; 123(5):1416–1424. [PUBMED], [INFOTRIEVE], [CROSSREF]
- Arora N S, Rochester D F. Respiratory muscle strength and maximal voluntary ventilation in undernourished patients. Am Rev Respir Dis 1982; 126(1):5–8. [PUBMED], [INFOTRIEVE]
- Arora N S, Rochester D F. Effect of body weight and muscularity on human diaphragm muscle mass, thickness, and area. J Appl Physiol 1982; 52(1):64–70. [PUBMED], [INFOTRIEVE]
- Rochester D F, Arora N S, Braun N M. Maximum contractile force of human diaphragm muscle, determined in vivo. Trans Am Clin Climatol Assoc 1981; 93:200–208. [PUBMED], [INFOTRIEVE]
- Sahebjami H, Sathianpitayakul E. Influence of body weight on the severity of dyspnea in chronic obstructive pulmonary disease. Am J Respir Crit Care Med 2000; 161:886–890. [PUBMED], [INFOTRIEVE], [CSA]
- Thurlbeck W M. Diaphragm and body weight in emphysema. Thorax 1978; 33(4):483–487. [PUBMED], [INFOTRIEVE]
- Gray-Donald K, Gibbons L, Shapiro S H, Martin J G. Effect of nutritional status on exercise performance in patients with chronic obstructive pulmonary disease. Am Rev Respir Dis 1989; 140(6):1544–1548., [PUBMED], [INFOTRIEVE]
- Schols A M, Mostert R, Soeters P B, Greve L H, Wouters E F. Nutritional state and exercise performance in patients with chronic obstructive lung disease. Thorax 1989; 44(11):937–941. [PUBMED], [INFOTRIEVE]
- Palange P, Forte S, Felli A, Galassetti P, Serra P, Carlone S. Nutritional state and exercise tolerance in patients with COPD. Chest 1995; 107(5):1206–1212. [PUBMED], [INFOTRIEVE]
- Palange P, Forte S, Onorati P, Paravati V, Manfredi F, Serra P, Carlone S. Effect of reduced body weight on muscle aerobic capacity in patients with COPD. Chest 1998; 114(1):12–18. [PUBMED], [INFOTRIEVE]
- Shoup R, Dalsky G, Warner S, Davies M, Connors M, Khan M, Khan F, ZuWallack R. Body composition and health-related quality of life in patients with obstructive airways disease. Eur Respir J 1997; 10(7):1576–1580. [PUBMED], [INFOTRIEVE], [CROSSREF]
- Mostert R, Goris A, Weling-Scheepers C, Wouters E F, Schols A M. Tissue depletion and health related quality of life in patients with chronic obstructive pulmonary disease. Respir Med 2000; 94(9):859–867. [PUBMED], [INFOTRIEVE], [CSA], [CROSSREF]
- Kessler R, Faller M, Fourgaut G, Mennecier B, Weitzenblum E. Predictive factors of hospitalization for acute exacerbation in a series of 64 patients with chronic obstructive pulmonary disease. Am J Respir Crit Care Med 1999; 159(1):158–164. [PUBMED], [INFOTRIEVE], [CSA]
- Pouw E M, Ten Velde G P, Croonen B H, Kester A D, Schols A M, Wouters E F. Early non-elective readmission for chronic obstructive pulmonary disease is associated with weight loss. Clin Nutr 2000; 19(2):95–99. [PUBMED], [INFOTRIEVE], [CSA], [CROSSREF]
- Connor A F Jr, Dawson N V, Thomas C, Harrell F E Jr, Desbiens N, Fulkerson W J, Kussin P, Bellamy P, Goldman L, Knaus W A. Outcomes following acute exacerbation of severe chronic obstructive lung disease. The SUPPORT investigators (study to understand prognoses and preferences for outcomes and risks of treatments). Am J Respir Crit Care Med 1996; 154(4 Pt 1):959–967. [CSA]
- Mazolewski P, Turner J F, Baker M, Kurtz T, Little A G. The impact of nutritional status on the outcome of lung volume reduction surgery: a prospective study. Chest 1999; 116(3):693–696. [PUBMED], [INFOTRIEVE], [CROSSREF]
- Gray-Donald K, Gibbons L, Shapiro S H, Macklem P T, Martin J G. Nutritional status and mortality in chronic obstructive pulmonary disease. Am J Respir Crit Care Med 1996; 153(3):961–966. [PUBMED], [INFOTRIEVE], [CSA]
- Schols A M, Slangen J, Volovics L, Wouters E F. Weight loss is a reversible factor in the prognosis of chronic obstructive pulmonary disease. Am J Respir Crit Care Med 1998; 157(6 Pt 1):1791–1797. [PUBMED], [INFOTRIEVE], [CSA]
- Landbo C, Prescott E, Lange P, Vestbo J, Almdal T P. Prognostic value of nutritional status in chronic obstructive pulmonary disease. Am J Respir Crit Care Med 1999; 160(6):1856–1861. [PUBMED], [INFOTRIEVE], [CSA]
- Gorecka D, Gorzelak K, Sliwinski P, Tobiasz M, Zielinski J. Effect of long-term oxygen therapy on survival in patients with chronic obstructive pulmonary disease with moderate hypoxaemia. Thorax 1997; 52(8):674–679. [PUBMED], [INFOTRIEVE]
- Cohen J. Statistical Power Analysis for the Behavioural Sciences. London: Academic Press, 1969.
- Lewis M I, Belman M J, Dorr-Uyemura L. Nutritional supplementation in ambulatory patients with chronic obstructive pulmonary disease. Am Rev Respir Dis 1987; 135(5):1062–1068. [PUBMED], [INFOTRIEVE], [CSA]
- Knowles J B, Fairbarn M S, Wiggs B J, Chan-Yan C, Pardy R L. Dietary supplementation and respiratory muscle performance in patients with COPD. Chest 1988; 93(5):893–977.
- Efthimiou J, Fleming J, Gomes C, Spiro S G. The effect of supplementary oral nutrition in poorly nourished patients with chronic obstructive pulmonary disease. Am Rev Respir Dis 1988; 137(5):1075–1082. [PUBMED], [INFOTRIEVE]
- Goldstein S A, Askanazi J, Elwyn D H, Thomashow B, Milic-Emili J, Kvetan V, Weissman C, Kinney J M. Submaximal exercise in emphysema and malnutrition at two levels of carbohydrate and fat intake. J Appl Physiol 1989; 67(3):1048–1055. [PUBMED], [INFOTRIEVE], [CSA]
- Otte K E, Ahlburg P, D'Amore F, Stellfeld M. Nutritional repletion in malnourished patients with emphysema. J Parenter Enteral Nutr 1989; 13(2):152–156.
- Whittaker J S, Ryan C F, Buckley P A, Road J D. The effects of refeeding on peripheral and respiratory muscle function in malnourished chronic obstructive pulmonary disease patients. Am Rev Respir Dis 1990; 142(2):283–288. [PUBMED], [INFOTRIEVE]
- Schols A M, Soeters P B, Mostert R, Pluymers R J, Wouters E F. Physiologic effects of nutritional support and anabolic steroids in patients with chronic obstructive pulmonary disease. A placebo-controlled randomized trial. Am J Respir Crit Care Med 1995; 152:1268–1274. [PUBMED], [INFOTRIEVE], [CSA]
- Creutzberg E C, Wouters E F, Mostert R, Weling-Scheepers C A, Schols A M. Efficacy of nutritional supplementation therapy in depleted patients with chronic obstructive pulmonary disease. Nutrition 2003; 19(2):120–127. [PUBMED], [INFOTRIEVE], [CROSSREF]
- Westerterp K R, Donkers J H, Fredrix E W, Boekhoudt P. Energy intake, physical activity and body weight: a simulation model. Br J Nutr 1995 Mar; 73(3):337–347. [CSA]
- Creutzberg E C, Wouters E F, Mostert R, Pluymers R J, Schols A M. A role for anabolic steroids in the rehabilitation of patients with COPD?: a double-blind, placebo-controlled, randomized trial. Chest 2003; 124:1733–1742. [PUBMED], [INFOTRIEVE], [CROSSREF]
- Prescott E, Almdal T, Mikkelsen K L, Tofteng C L, Vestbo J, Lange P. Prognostic value of weight change in chronic obstructive pulmonary disease: results from the Copenhagen city heart study. Eur Respir J 2002; 20(3):539–544. [PUBMED], [INFOTRIEVE], [CROSSREF]
- Decramer M, Gosselink R, Troosters T, Verschueren M, Evers G. Muscle weakness is related to utilization of health care resources in COPD patients. Eur Respir J 1997; 10(2):417–423. [PUBMED], [INFOTRIEVE], [CROSSREF]
- Bernard S, LeBlanc P, Whittom F, Carrier G, Jobin J, Belleau R, Maltais F. Peripheral muscle weakness in patients with chronic obstructive pulmonary disease. Am J Respir Crit Care Med 1998; 158(2):629–634. [PUBMED], [INFOTRIEVE], [CSA]
- Engelen M P, Schols A M, Does J D, Wouters E F. Skeletal muscle weakness is associated with wasting of extremity fat-free mass but not with airflow obstruction in patients with chronic obstructive pulmonary disease. Am J Clin Nutr 2000; 71:733–738. [PUBMED], [INFOTRIEVE], [CSA]
- Marquis K, Debigare R, Lacasse Y, LeBlanc P, Jobin J, Carrier G, Maltais F. Midthigh muscle cross-sectional area is a better predictor of mortality than body mass index in patients with chronic obstructive pulmonary disease. Am J Respir Crit Care Med 2002; 166(6):809–813. [PUBMED], [INFOTRIEVE], [CSA], [CROSSREF]
- Gosker H R, Engelen M P, van Mameren H, van Dijk P J, van der Vusse G J, Wouters E F, Schols A M. Muscle fiber type IIX atrophy is involved in the loss of fat-free mass in chronic obstructive pulmonary disease. Am J Clin Nutr 2002; 76:113–119. [PUBMED], [INFOTRIEVE], [CSA]
- Debigare R, Cote C H, Maltais F. Peripheral muscle wasting in chronic obstructive pulmonary disease. Clinical relevance and mechanisms. Am J Respir Crit Care Med 2001; 164(9):1712–1717. [PUBMED], [INFOTRIEVE], [CSA]
- Franssen F ME, Broekhuizen R, Janssen P P, Wouters E FM, Schols A MWJ. The effects of whole body exercise training on body composition and functional capacity in normal weight patients with chronic obstructive pulmonary disease. Chest 2004; 125(6):2021–2028. [PUBMED], [INFOTRIEVE], [CROSSREF]