Functional purport of the cardiothoracic ratio in congestive heart failure

Sverzellati, Enrico; Meny, Miguel G.; Crippa, Giuseppe; Espinas, Rosa D.; Ragni, G; Reyes, Ariel J.

doi:10.1016/s1071-9164(98)90167-1

Cited by 1 publication

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“…7,8 There is a lack of correlation between variables indicating effort capacity and cardiac output in patients suffering from chronic CHF, but we have found that the NYHA functional class 9 correlates positively and that the 6-min mean walking velocity 10 correlates negatively with clinical ( Figure 1) and radiological 11 increasing ordinal indicators of the magnitude of lung congestion and pulmonary water and with the cardiothoracic ratio. 12 These findings strongly suggest that the beneficial effects of diuretics on the main symptoms of CHF are mainly due to the decrease in thoracic fluid that results from their diuretic action. Thus, lung congestion and water and cardiac size should be considered operational objectives of diuretic therapy in CHF.…”

Section: Introductionmentioning

confidence: 94%

Diuretics in the treatment of patients who present congestive heart failure and hypertension

Reyes¹

2002

J Hum Hypertens

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The main operational objective of diuretic therapy in patients who present congestive heart failure and hypertension is to reduce or to suppress excess bodily fluid. Effective diuretic therapy decreases cardiac size when the heart is dilated, and it reduces lung congestion and excess water. Consequently, external respiratory work diminishes and cardiac output would be redistributed in favour of systemic vascular beds other than that of the respiratory muscles; dyspnoea decreases markedly and there is a slight reduction in fatigue. This clinical improvement and the fall in body weight caused by diuretics entail an increase in effort capacity. Subsequent exercise training ameliorates the abnormal ventilatory response to physical effort and the skeletal muscle myopathy that occur in heart failure, and thereby it attenuates dyspnoea and decreases fatigue further. Loop and/or thiazide-type diuretics may be used to aug-

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Section: Introductionmentioning

confidence: 94%

Diuretics in the treatment of patients who present congestive heart failure and hypertension

Reyes¹

2002

J Hum Hypertens

View full text Add to dashboard Cite

show abstract

Functional purport of the cardiothoracic ratio in congestive heart failure

Cited by 1 publication

References 0 publications

Diuretics in the treatment of patients who present congestive heart failure and hypertension

Diuretics in the treatment of patients who present congestive heart failure and hypertension

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