Document Detail


Effect of non-insulin-dependent diabetes mellitus on pulmonary function and exercise tolerance in chronic congestive heart failure.
MedLine Citation:
PMID:  11792341     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
In chronic congestive heart failure (CHF), backward effects of left ventricular dysfunction alter pulmonary volumes and gas diffusion. Some of these disorders are detected in some patients with diabetes mellitus, possibly due to a microangiopathic process and nonenzymatic glycosylation of lung tissue proteins. We explored the possibility that coexistence of non-insulin-dependent diabetes mellitus (NIDDM) may potentiate the deterioration of lung function in CHF. In 20 normoglycemic patients (group 1) and in 20 patients with NIDDM (group 2), with New York Heart Association class II to III CHF due to idiopathic or ischemic cardiac disease, and in 20 controls (groups were age- and gender-matched), we investigated cardiac function, pulmonary volumes, carbon monoxide diffusion (DL(CO)) and its alveolar-capillary membrane (D(M)) subcomponent, oxygen uptake and dead space-to-tidal volume ratio (pVD/VT) at peak exercise (individualized ramp test), and slope of ventilation-to-carbon dioxide production ratio (VE/VCO(2)) during exercise. Although, compared with reference subjects, both patient groups had similar variations in left ventricular diastolic volume, ejection fraction, and pulmonary wedge pressure; in group 2 lung volumes, DL(CO), D(M), and oxygen uptake were significantly more reduced; in this group there was no overlap of individual results of DL(CO) and D(M) with those in controls; VE/VCO(2) slope and pVD/VT also were significantly increased, and inversely correlated with D(M). Thus, coexistence of NIDDM makes pulmonary dysfunction worse in CHF, and significantly enhances exercise intolerance.
Authors:
Marco Guazzi; Roberto Brambilla; Gianluca Pontone; Piergiuseppe Agostoni; Maurizio D Guazzi
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The American journal of cardiology     Volume:  89     ISSN:  0002-9149     ISO Abbreviation:  Am. J. Cardiol.     Publication Date:  2002 Jan 
Date Detail:
Created Date:  2002-01-16     Completed Date:  2002-02-21     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  0207277     Medline TA:  Am J Cardiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  191-7     Citation Subset:  AIM; IM    
Affiliation:
Istituto di Cardiologia dell'Università degli Studi, Centro di Studio per le Ricerche Cardiovascolari del Consiglio Nazionale delle Ricerche, Centro Cardiologico, I.R.C.C.S., Milan, Italy. marco.guazzi@cardiologicomonzino.it
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MeSH Terms
Descriptor/Qualifier:
Analysis of Variance
Case-Control Studies
Chi-Square Distribution
Chronic Disease
Diabetes Mellitus, Type 2 / complications,  physiopathology*
Echocardiography
Exercise Test
Exercise Tolerance
Female
Heart Failure / complications,  physiopathology*
Humans
Lung / physiopathology*
Male
Middle Aged
Questionnaires
Respiratory Function Tests

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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