Cardiopulmonary and echocardiographic evaluation of AAIR and DDR pacing in patients with impaired sinus node chronotropy
REBLAMPA Rev. bras. latinoam. marcapasso arritmia
;
8(n.esp): 149-52, out. 1995. tab, graf
Article
Dans Anglais
| LILACS
| ID: lil-165637
ABSTRACT
This study compared the results of AAIR and DDR pacing modes, using echocardiography and cardiopulmonary exercise testing. Fourteen patients underwent an echocardiographic evaluation of cardiac output (CO) during AAI and DDD pacing at rates of 60 and 100 bpm. Subsequently, the oxygen consumption at he anaerobic threshold was measured during exercise testing under AAIR mode and DDR mode with and AV delay of 120 ms. At rest and at low heart rates AAI pacing appears to maintain a higher CO than does D pacing. However, at higher heart rates there is no significant difference between the two pacing modes. On exertion, AAIR pacing does not appear to offer any advantage over DDR pacing.
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Indice:
LILAS (Amériques)
Sujet Principal:
Pacemaker
/
Maladie du sinus
/
Échocardiographie
/
Épreuve d'effort
langue:
Anglais
Texte intégral:
REBLAMPA Rev. bras. latinoam. marcapasso arritmia
Thème du journal:
Cardiologie
Année:
1995
Type:
Article
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