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For: Marmanillo CG, Pecoits-Filho RF, Romão JE, Kakehashi ET, Sabbaga E, Marcondes M, Abensur H. Reciprocal influences between ambulatorial peritoneal dialysis and pulmonary function. Artif Organs 2001;25:876-81. [PMID: 11903140 DOI: 10.1046/j.1525-1594.2001.06904.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]

For:	Marmanillo CG, Pecoits-Filho RF, Romão JE, Kakehashi ET, Sabbaga E, Marcondes M, Abensur H. Reciprocal influences between ambulatorial peritoneal dialysis and pulmonary function. Artif Organs 2001;25:876-81. [PMID: 11903140 DOI: 10.1046/j.1525-1594.2001.06904.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]

Number	Cited by Other Article(s)
1	Malnutrition and inflammation are associated with impaired pulmonary function in patients with chronic kidney disease. Nephrol Dial Transplant 2004;19:1823-8. [PMID: 15150347 DOI: 10.1093/ndt/gfh190] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open Abstract BACKGROUND Inflammation and malnutrition are common findings in patients with chronic kidney disease (CKD). We hypothesized that in inflamed and malnourished patients, respiratory and peripheral muscle dysfunction may have significant consequences on pulmonary function. The aim of this study was to investigate possible associations between pulmonary function and inflammation and malnutrition in patients with CKD. METHODS We studied 109 patients (63% males; 53+/-12 years) at the initiation of dialysis treatment (GFR 7.5+/-2.5 ml/min). Pulmonary function tests [forced expiratory volume in 1 s (FEV(1)), forced vital capacity (FVC) and peak expiratory flow (PEF)] were performed and the percentages of predicted values were calculated (%FEV(1), %FVC and %PEF). Systemic inflammation, assessed by high-sensitivity C-reactive protein (hsCRP) and nutritional status assessed by subjective global assessment (SGA), lean body mass (LBM) (estimated with dual energy X-ray absorptiometry) and hand-grip strength (HGS), were evaluated at the same time. RESULTS Significant negative correlations were found between hsCRP and the percent predicted values for all pulmonary function tests [%FEV(1) (Rho = -0.45), %FVC (Rho = -0.43) and %PEF (Rho = -0.38)], respectively. Malnourished patients defined as SGA >or=2 had lower %FEV(1) (64+/-19 vs 82+/-23%; P<0.001) and %FVC (67+/-18 vs 83+/-21%; P<0.001) than well nourished patients. Significant correlations were observed between HGS and %FVC (Rho = 0.38; P <0.001), %FEV(1) (Rho = 0.37; P<0.001) and %PEF (Rho = 0.22; P<0.05) and between LBM and %PEF (Rho = 0.20; P<0.05). Multivariate Cox analysis showed that cardiovascular disease and low %FVC were associated with poor survival. CONCLUSIONS Impaired pulmonary function is associated with malnutrition and inflammation, and predicts mortality in CKD patients. This may reflect an impact of malnutrition and inflammation on respiratory muscle performance, leading to pulmonary dysfunction, which could influence the clinical outcome. Collapse Key Words Collapse MESH Headings Adult Aged Cardiovascular Diseases/complications Cardiovascular Diseases/physiopathology Chronic Disease Female Humans Inflammation/etiology Inflammation/physiopathology Kidney Diseases/complications Kidney Diseases/physiopathology Lung/physiopathology Male Malnutrition/etiology Malnutrition/physiopathology Middle Aged Pulmonary Ventilation Collapse Grants Collapse Affiliation(s) Collapse

Number

Cited by Other Article(s)

Malnutrition and inflammation are associated with impaired pulmonary function in patients with chronic kidney disease. Nephrol Dial Transplant 2004;19:1823-8. [PMID: 15150347 DOI: 10.1093/ndt/gfh190] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open

Abstract

BACKGROUND

Inflammation and malnutrition are common findings in patients with chronic kidney disease (CKD). We hypothesized that in inflamed and malnourished patients, respiratory and peripheral muscle dysfunction may have significant consequences on pulmonary function. The aim of this study was to investigate possible associations between pulmonary function and inflammation and malnutrition in patients with CKD.

METHODS

We studied 109 patients (63% males; 53+/-12 years) at the initiation of dialysis treatment (GFR 7.5+/-2.5 ml/min). Pulmonary function tests [forced expiratory volume in 1 s (FEV(1)), forced vital capacity (FVC) and peak expiratory flow (PEF)] were performed and the percentages of predicted values were calculated (%FEV(1), %FVC and %PEF). Systemic inflammation, assessed by high-sensitivity C-reactive protein (hsCRP) and nutritional status assessed by subjective global assessment (SGA), lean body mass (LBM) (estimated with dual energy X-ray absorptiometry) and hand-grip strength (HGS), were evaluated at the same time.

RESULTS

Significant negative correlations were found between hsCRP and the percent predicted values for all pulmonary function tests [%FEV(1) (Rho = -0.45), %FVC (Rho = -0.43) and %PEF (Rho = -0.38)], respectively. Malnourished patients defined as SGA >or=2 had lower %FEV(1) (64+/-19 vs 82+/-23%; P<0.001) and %FVC (67+/-18 vs 83+/-21%; P<0.001) than well nourished patients. Significant correlations were observed between HGS and %FVC (Rho = 0.38; P <0.001), %FEV(1) (Rho = 0.37; P<0.001) and %PEF (Rho = 0.22; P<0.05) and between LBM and %PEF (Rho = 0.20; P<0.05). Multivariate Cox analysis showed that cardiovascular disease and low %FVC were associated with poor survival.

CONCLUSIONS

Impaired pulmonary function is associated with malnutrition and inflammation, and predicts mortality in CKD patients. This may reflect an impact of malnutrition and inflammation on respiratory muscle performance, leading to pulmonary dysfunction, which could influence the clinical outcome.

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