Can I read Evaluation of Left Ventricular Outflow Tract Gradient During Treadmill Exercise and in Recovery Period in Orthostatic Position, in Patients with Hypertrophic Cardiomyopathy on EtoBox?

Evaluation of Left Ventricular Outflow Tract Gradient During Treadmill Exercise and in Recovery Period in Orthostatic Position, in Patients with Hypertrophic Cardiomyopathy by Rita Miranda; Carlos Cotrim; Nuno Cardim; Sofia Almeida; Luís Lopes; Maria José Loureiro; Otília Simões; Pedro Cordeiro; Paula Fazendas; Isabel João; Manuel Carrageta is a Medicine article available to read on EtoBox.

What is Evaluation of Left Ventricular Outflow Tract Gradient During Treadmill Exercise and in Recovery Period in Orthostatic Position, in Patients with Hypertrophic Cardiomyopathy about?

## Background- Left ventricular outflow tract obstruction is an independent predictor of adverse outcome in hypertrophic cardiomyopathy (HCM). The classical quantification of intraventricular obstruction is performed in resting conditions in supine position, but this assessment does not reflect what happens in HCM patients (pts) in their daily activities, neither during effort nor during orthostatic recovery. ## Aim- To assess intraventricular gradients with echocardiography during treadmill exercise and in the recovery period in upright position, in HCM pts. ## Methods- We studied 17 HCM pts (9 males, mean age 53 ± 16 years, 11 with obstructive HCM). Each pt had 2 echocardiographic evaluations at rest (left lateral decubitus (LLD) and orthostatic position). The pts then underwent a treadmill exercise test and intraventricular gradients were measured at peak exercise and during recovery in orthostatic position. ## Results- 3 pts with non-obstructive HCM at rest developed intraventricular gradients during exercise. 1 pt developed this gradient only during orthostatic recovery. The mean intraventricular gradient in LLD was 49 ± 24 mmHg; in orthostatic position was 62 ± 29 mmHg (p < 0

Who reads Evaluation of Left Ventricular Outflow Tract Gradient During Treadmill Exercise and in Recovery Period in Orthostatic Position, in Patients with Hypertrophic Cardiomyopathy?

Author

Rita Miranda; Carlos Cotrim; Nuno Cardim; Sofia Almeida; Luís Lopes; Maria José Loureiro; Otília Simões; Pedro Cordeiro; Paula Fazendas; Isabel João; Manuel Carrageta

Publisher

BioMed Central; Springer (Biomed Central Ltd.); London UK: BioMed Central, 2003-; Springer Science and Business Media LLC (ISSN 1476-7120)

Published

2008

Language

EN

Field

Medicine (Health Sciences)