Isolamento das veias pulmonares em pacientes com fibrilação atrial permanente secundária a valvopatia mitral

Lima, Gustavo Glotz de; Kalil, Renato A. K.; Leiria, Tiago Luiz Luz; Vanni, Gustavo F.; Miglioransa, Marcelo Haertel; Faria-Corrêa, Daniel L.; Hatem, Domingos; Abrahão, Rogério; Sant'Anna, João Ricardo Michielin; Prates, Paulo R.; Nesralla, Ivo A.

doi:10.1590/s0066-782x2004000400005

Arq. Bras. Cardiol.

2004

DOI: 10.1590/s0066-782x2004000400005

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Isolamento das veias pulmonares em pacientes com fibrilação atrial permanente secundária a valvopatia mitral

Gustavo Glotz de Lima¹,

Renato A. K. Kalil²,

Tiago Luiz Luz Leiria³

et al.

Abstract: Isolation of the pulmonary veins associated with mitral valve surgery is an effective and safe technique for maintaining sinus rhythm in patients with permanent atrial fibrillation.

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2008

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Resposta cronotrópica ao exercício após isolamento das veias pulmonares ou cirurgia de Cox-maze

Flores¹,

Kalil²,

Lima³

et al. 2008

Rev Bras Cir Cardiovasc

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Objective: To evaluate the chronotropic response to exercise during immediate and late postoperative period after atrial fibrillation and mitral valve surgical treatment by different techniques.Methods: Prospective controlled clinical study of 42 patients presenting chronic AF associated mitral valve disease, who underwent surgery by the techniques of pulmonary veins isolation (n=16), Modified Cox-maze procedure, without crioablation (n=13), both with isolated mitral valve repair (n=13). The preoperative clinical characteristics, surgical indications, kind and aetiology of valve lesion were similar between groups. The patients were outpatient followed-up and underwent series of ergometric tests.Results: In the immediate postoperative period, chronotropic response was similar in the 3 groups with mean of 73.6 ± 12.3% of maximal calculated heart rate. In the surgical pulmonary veins isolation group, there was an increment of heart rate, from 64.4 ± 12.4% of maximal heart rate in the immediate postoperative period to 78.9 ± 10.5% in the 12 th month (P=0.012) of postoperative. In the Coxmaze group, heart rate varied, respectively, from 73.9 ± 11.14% to 78.8 ± 15.2% P=1.000) and in the control group (only mitral valve surgery), from 67.2 ± 14.3% to 71.9 ± 12.9% (P=0.889).Conclusion: An attenuation of immediate postoperative chronotropic response to exercise was similar in the postoperative in the three different surgical techniques. There was a significant improvement in this response concerning to postoperative outcome in the pulmonary veins isolation group. These results suggest that simple surgical pulmonary veins isolation may be related to a better preservation of atrial chronotropism. Descriptors 475FLORES, DM ET AL -Chronotropic response to exercise after pulmonary veins isolation or Cox-maze operation Bras Cir Cardiovasc 2008; 23(4): 474-479 Rev

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Resposta cronotrópica ao exercício após isolamento das veias pulmonares ou cirurgia de Cox-maze

Flores¹,

Kalil²,

Lima³

et al. 2008

Rev Bras Cir Cardiovasc

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View full text Add to dashboard Cite

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Isolamento das veias pulmonares em pacientes com fibrilação atrial permanente secundária a valvopatia mitral

Abstract: Isolation of the pulmonary veins associated with mitral valve surgery is an effective and safe technique for maintaining sinus rhythm in patients with permanent atrial fibrillation.

Cited by 1 publication

References 26 publications

Resposta cronotrópica ao exercício após isolamento das veias pulmonares ou cirurgia de Cox-maze

Resposta cronotrópica ao exercício após isolamento das veias pulmonares ou cirurgia de Cox-maze

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