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Arq. bras. cardiol ; 58(5): 359-364, maio 1992. ilus, tab
Article in Portuguese | LILACS | ID: lil-122216

ABSTRACT

Objetivo - Estudar a evoluçäo clínica de portadoras de estenose mitral no ciclo gravídico-puerperal que iniciaram a gravidez em classe funcional (CF) I/II. Métodos - Noventa e três mulheres, divididas em três grupos: Grupo GE - 30 gestantes portadoras de estenose mitral com média de idade de 27,9 anos. 26(86,7%) apresentavam sobrecarga atrial esquerda e nove (30%) ventricular direita no eletrocardiograma. A área valvar mitral ao ecodopplercardiograma variou entre 0,7 a 1,9 (1,26) cm*. Grupo GN - 32 gestantes näo cardiopatas, com média de idade de 25,5 anos com eletrocardiograma e área valvar mitral ao ecodopplercardiograma normais. Grupo EM - 31 portadoras de estenose mitral, näo grávidas com média de idade de 25 anos. Dezenove (61,3%) apresentavam sobrecarga atrial esquerda e quatro (13%) sobrecarga ventricular direita no eletrocardiograma. A área valvar mitral variou entre 0,50 a 1,80 (média = 1,19) cm*. Em cada consulta foram anotados os dados sobre CF e complicaçöes. As complicaçöes investigadas foram congestäo pulmonar, endocardite infecciosa, arritmia cardíaca e tromboembolismo. Resultados - Vinte e seis (86,7%) pacientes do grupo GE modificaram a CF: 16 evoluíram para CF III e 10 para IV, no grupo GN, 18 (56,2%) pacientes evoluíram de CF I para II no decorrer da gestaçäo e no grupo EM, cinco (16%) evoluíram da CF I/II para III durante o estudo. Arritmia cardíaca, endocardite infecciosa näo foram registradas. Fenômeno tromboembólico foi identificado em um (3,2%) caso no grupo EM. Näo houve mortalidade. Conclusäo - A grande maioria das gestantes portadoras de estenose mitral, que iniciaram a gravidez em CF I/II evoluíram para CF III/IV, no decorrer da gestaçäo. Medidas como repouso, farmacoterapia e avalvoplastia por cateter-baläo contribuíram, na totalidade dos casos, para o termo da gestaçäo e ausência de mortalidade


Purpose The clinical evolution of women with mitral stenosis was studied during pregnancy, delivery and puerperium in inicial function (FCJ class I/II. Methods ­ Ninety-three women were divided in three groups. Group GE Pregnant women with mitral stenosis (n = 30, mean age 28 years); 26 (86.7%) patients had electrocardiographic signs of left atrial enlargement and nine (30%) had signs of right ventricular hypertrophy. The mitral valvar area was between 0.7 and 1.9 (mean = 1.26) cm2 at echod opplercardiogram, Group GM Normal pregnant women (n = 32; aged 25.4 years), the electrocardiogram and echodopplercardiogram were normal. Group EM - non pregnant patients, with mitral stenosis (n = 31.33 years); 19 (61,3%) had left atrial enlargement andfour (13%) had right ventricular hypertrophy. The mitral valvar area between 0.50 and 1.80 (mean = 1.19) cm2. The variables analyzed were FC and occurrence of the following complications. infective endocarditis, cardiac arrhythmias and thromboembolism. Results In GE group, 26 (86,7%) patients worsened the FC during gestation, 16 to FC III and 10 to FC IV. In GN group, 18 (56,2% ) patients changed from FC I to FC II during the gestation and in EM group 5 (16,2%) patients changed from FC I/II to III during the study. Cardiac arrhythmias and infective endocarditis were not observed; thromboembolic event was registered in one (3.2%) patients from EM group. There were no death in all groups. Conclusion ­ The large majority of pregnant with mitral stenosis that started pregnancy in FC I/II worsened to FC III/IV during gestation. Medical treatment and eventually balloon valvuloplasty were successfull measure to allow a full-term gestation without mortality


Subject(s)
Humans , Female , Pregnancy , Adolescent , Adult , Middle Aged , Mitral Valve Stenosis/physiopathology , Pregnancy Complications, Cardiovascular/physiopathology , Catheterization , Prospective Studies , Postpartum Period/physiology , Mitral Valve Stenosis/drug therapy , Mitral Valve Stenosis/therapy , Heart Rate
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