Giornale italiano di cardiologia · 1992
[Atrial natriuretic factor in patients with cardiac decompensation before and after chronic therapy with an angiotensin-converting enzyme inhibitor].
Сравнительное исследованиеАннотация на английскомСтатьяНазвание и аннотация: Перевод в очереди
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Pomini G, Rugna A, Lupia M, Opocher G, Gribaldo R
Аннотация
BACKGROUND: Patients with severe congestive heart failure often have high plasma Atrial Natriuretic Factor (ANF) and neurohormonal activation. Ace inhibitors give clinical and hemodynamic benefits and lower plasma angiotensin and norepinephrine levels. The interactions between ANF and the Ace inhibitors are mainly modulated via the renin angiotensin system.
METHODS: Plasma ANF, renin activity, urinary aldosterone and catecholamine levels were evaluated in 10 patients with congestive heart failure (at baseline, after 15 days of adequate treatment with digoxin and diuretics, and after 45 days of enalapril) in order to assess the changes of ANF and vasoconstrictor neurohormones with chronic Ace inhibitor therapy.
RESULTS: ANF increased significantly in the congestive heart failure group compared to a normal subject control group (P < 0.001). After digoxin and diuretic therapy NHYA class improved significantly, but no significant hormonal changes were found. On the contrary, the addition of enalapril caused a significant decrease of plasma ANF and urinary aldosterone and catecholamines (P < 0.05).
CONCLUSIONS: The relationship between the renin angiotensin system and catecholamines is complex but our findings indicate that: 1) Traditional therapy is effective in improving symptoms, but cannot induce a decrease of vasoconstrictive neurohormones; 2) ACE inhibitor therapy reduces ANF and neurohormonal activation. 3) ANF is a useful marker in evaluating the response to treatment.
METHODS: Plasma ANF, renin activity, urinary aldosterone and catecholamine levels were evaluated in 10 patients with congestive heart failure (at baseline, after 15 days of adequate treatment with digoxin and diuretics, and after 45 days of enalapril) in order to assess the changes of ANF and vasoconstrictor neurohormones with chronic Ace inhibitor therapy.
RESULTS: ANF increased significantly in the congestive heart failure group compared to a normal subject control group (P < 0.001). After digoxin and diuretic therapy NHYA class improved significantly, but no significant hormonal changes were found. On the contrary, the addition of enalapril caused a significant decrease of plasma ANF and urinary aldosterone and catecholamines (P < 0.05).
CONCLUSIONS: The relationship between the renin angiotensin system and catecholamines is complex but our findings indicate that: 1) Traditional therapy is effective in improving symptoms, but cannot induce a decrease of vasoconstrictive neurohormones; 2) ACE inhibitor therapy reduces ANF and neurohormonal activation. 3) ANF is a useful marker in evaluating the response to treatment.