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  • 1
    ISSN: 1432-1971
    Keywords: Coarctation of the aorta ; Postoperative systolic blood pressure ; Upper and lower limb gradient ; Exercise testing
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary After repair of coarctation, exercise testing was performed in 20 patients with an isolated coarctation (group I) and in 26 with additional congenital cardiac malformations (group II). Ages at time of operation were significantly different in both groups (7.9±6.0 years in group I; 4.6±3.8 years in group II;p≤0.01). Simultaneous blood pressures were obtained from upper and lower limbs at rest and after exercise. There was no significant difference regarding the systolic blood pressures at rest (122.5±15.6 mmHg in group I versus 119±15.8 mmHg in group II). Seven (14%) of the patients were hypertensive; five of them had blood pressure gradients between arms and legs of 15–45 mmHg. But the gradients at rest were found to be significantly different in both groups (9.0±10.5 mmHg in group I; 18.5±16.1 mmHg in group II;p≤0.05). Six patients, all in group II, had gradients ≥30 mmHg at rest. After exercise there were no significant differences in systolic blood pressure and gradients in both groups. Values for blood pressures and gradients at rest and after exercise showed a positive correlation (blood pressurer=0.76,p≤0.001; gradientr=0.44,p≤0.01). Thus exercise testing can provide valuable information about blood pressure and gradient changes during physical activity, but angiography is required to reveal restenosis or residual stenosis.
    Type of Medium: Electronic Resource
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