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AimsExposure to high altitude (HA) hypoxia decreases exercise performance in healthy subjects. Although β‐blockers are known to affect exercise capacity in normoxia, no data are available comparing selective and nonselective β‐adrenergic blockade on exercise performance in healthy subjects acutely exposed to HA hypoxia. We compared the impact of nebivolol and carvedilol on exercise capacity in healthy...
Aim: To assess the effect of chronotropic incompetence on functional capacity in chronic heart failure (CHF) patients, as evaluated as NYHA and peak oxygen consumption (pVO2), focusing on the presence and dose of β‐blocker treatment. Methods: Nine hundred and sixty‐seven consecutive CHF patients were evaluated, 328 of whom were discarded because they failed to meet the study criteria. Of the 639 analyzed,...
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