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      Valvuloplastia percutánea con balón de válvula mitral durante la gestación: Reporte de dos casos en un hospital de cuarto nivel de atención en Cali, Colombia y revisión de la literatura

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          Abstract

          Objetivo: describir la experiencia de dos casos de gestantes con estenosis mitral valvular, llevadas a valvuloplastia percutánea con balón y dilatación como alternativa terapéutica para contrarrestar los riesgos de colapso y deterioro materno-fetal y permitir la progresión del embarazo sin complicaciones cardiovasculares o el deterioro funcional, y realizar una revisión de la literatura publicada sobre la realización del procedimiento en gestantes. Materiales y métodos: se presentan dos casos de estenosis mitral severa y compromiso funcional asociado, de aparición en el segundo trimestre del embarazo, atendidos en una institución de cuarto nivel de complejidad, centro de referencia regional. Se manejaron por medio de valvuloplastia mitral con balón, con desenlaces clínicos maternos perinatales favorables. La revisión de la literatura se hizo a partir de los términos: "valvuloplastia", "estenosis mitral" y "embarazo". Se realizó una búsqueda en la base de datos Medline vía PubMed, Medes y Scopus. Se excluyeron los procedimientos descritos que estaban dirigidos al reparo valvular del feto. Los estudios se centraron en los cambios en las mediciones de la válvula, los resultados obstétricos y la seguridad. Resultados: se identificaron doce títulos. Los resultados obtenidos son comparables a los reportes de casos de estenosis de válvula mitral con procedimiento asistido por balón para dilatación de la válvula. En general, el procedimiento es exitoso, incrementa el área de la válvula mitral y reduce el gradiente de presión en la válvula. No obstante, existe el riesgo de desarrollar insuficiencia de válvula mitral tras la conducta, trombosis y muerte. Conclusión: la valvuloplastia percutánea con balón y dilatación como alternativa terapéutica es una opción por considerar en el manejo de la estenosis mitral en la gestante con deterioro de la clase funcional y el aumento durante el seguimiento de la presión en cuña pulmonar. Se requieren estudios controlados que validen los resultados de los estudios observacionales.

          Translated abstract

          Objective: To describe the experience of two cases of pregnant women with mitral stenosis taken to percutaneous balloon valvuloplasty and dilatation as a therapeutic option to counteract the risk of collapse and maternal and foetal deterioration, and to allow progression of the gestation without cardiovascular complications or functional impairment; and to conduct a review of the published literature regarding this procedure in pregnant women. Materials and methods: Two cases of severe mitral stenosis and associated functional involvement of early onset during the second trimester of pregnancy, seen in a level IV regional referral centre. The two cases were managed with balloon mitral valvuloplasty, with favourable perinatal maternal outcomes. The review of the literature was done using the terms Valvulopasty, Mitral Stenosis and Pregnancy. A search was conducted in Medline via Pubmed and in the MEDES and SCOPUS databases. Procedures described for the performance of foetal valve repair were excluded. Studies were focused on the diagnostic findings and the course of the surgical procedure. Results: Overall, 12 titles were identified. The results obtained are comparable with the case reports found in the literature on mitral valve stenosis using balloon-assisted procedures for valve dilatation. In general terms, the procedure is successful, increasing the area of the mitral valve and reducing the pressure gradient across the valve. However, there is a risk of mitral regurgitation, thrombosis and death following the procedure. Conclusion: Percutaneous mitral valvuloplasty with balloon dilatation is a therapeutic option that may be considered for the management of mitral stenosis in pregnant women with functional class deterioration and increasing pulmonary wedge pressure during follow-up. Controlled studies are required in order to validate the results of observational studies.

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          Most cited references21

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          Outcome of cardiovascular surgery and pregnancy: a systematic review of the period 1984-1996.

          The outcomes of cardiovascular operations during pregnancy, at delivery, and post partum were reviewed from published material in the period 1984-1996. Surgery during pregnancy resulted in fetal-neonatal morbidity and mortality of 9% and 30%, respectively, and in maternal morbidity and mortality of 24% and 6%, respectively. Duration of pregnancy at surgery and duration and temperature of cardiopulmonary bypass did not influence fetal-neonatal outcome. Maternal complications and mortality of surgery immediately after delivery were 29% and 12%, respectively, and for surgery performed with a postpartum interval the respective rates were 38% and 14%. Hospitalization after week 27 of gestation and extreme emergency contributed significantly to poor maternal outcome. Maternal deaths were reported in 9% of valvular procedures and in 22% of aortic or arterial dissection repairs and pulmonary embolectomies. Fetal-neonatal risks of maternal surgery during pregnancy are high and unpredictable. Maternal risks of cardiovascular procedures during pregnancy are moderate, significantly increase if an operation is performed at or after delivery, and, overall, should be considered as higher than those in nonpregnant cardiovascular surgical patients.
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            Percutaneous balloon mitral commissurotomy during pregnancy.

            To evaluate the effectiveness and safety of percutaneous balloon mitral commissurotomy for the treatment of pregnant women with severe mitral stenosis over a period of six years. Analysis of clinical, haemodynamic, and echocardiographic data before and immediately after the procedure, the pregnancy outcome, and the fate of newborn babies. Academic cardiovascular centre in Monastir, Tunisia. 44 pregnant patients who underwent percutaneous transvenous dilatation of the mitral valve between January 1990 and February 1996. Grade 2 mitral regurgitation was present in two patients and densely calcific valves in three (7%). Commissurotomy was successfully achieved in all cases. The total mean (SD) duration of teh procedure was 72 (18) minutes and that of fluoroscopy 16 (7) minutes. Left atrial pressure decreased from 28 (10) to 14 (7) mm Hg, mitral pressure gradient fell from 22 (8) to 5 (3) mm Hg. Cardiac output increased from 4.8 (1.1) to 6.3 (1.2) l/min and Gorlin mitral valve area from 0.96 (0.21) to 2.4 (0.4) cm2 (all P < < 0.001). Cross sectional echocardiographic mitral valve area increased from 1.07 (0.21) to 2.32 (0.36) cm2. There were no maternal or fetal deaths. Complications included a grade 4 mitral regurgitation in one patient that required early valve replacement. All patients delivered at full term, 42 vaginally and two (5%) by caesarean section; 41 babies were normal and three whose mothers had the procedure near term were relatively hypotrophic. At a mean follow up of 28 (12) months (range 2 to 26) all children had normal growth. During pregnancy, balloon mitral commissurotomy is the treatment of choice of severe pliable mitral stenosis in patients who are refractory to medical treatment.
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              Mitral valve disease in pregnancy: outcomes and management.

              Young women may have asymptomatic mitral valve disease which becomes unmasked during the haemodynamic stress of pregnancy. Rheumatic mitral stenosis is the most common cardiac disease found in women during pregnancy. The typical increased volume and heart rate of pregnancy are not well tolerated in patients with more than mild stenosis. Maternal complications of atrial fibrillation and congestive heart failure can occur, and are increased in patients with poor functional class and severe pulmonary artery hypertension. Patients can be diagnosed by echocardiography and symptoms treated with beta-1 antagonists and cautious diuresis. Patients with heart failure unresponsive to treatment can undergo percutaneous balloon mitral valvuloplasty. Labour and delivery goals include reducing tachycardia by adequate pain control and minimized volume shifts. Mitral valve regurgitation, even when severe, is usually very well tolerated in pregnancy as the increase in volume is offset by a decrease in vascular resistance. On the other hand, patients with left ventricular dysfunction, moderate pulmonary hypertension or NYHA functional class III-IV are at increased risk for heart failure and arrhythmias. They may need cautious diuresis and limitations on physical activity during pregnancy, as well as invasive haemodynamic monitoring for labour and delivery. Vaginal delivery is preferred and caesarean section reserved for obstetric indications.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rcog
                Revista Colombiana de Obstetricia y Ginecología
                Rev Colomb Obstet Ginecol
                Federación Colombiana de Obstetricia y Ginecología; Revista Colombiana de Obstetricia y Ginecología (Bogotá, Cundinamarca, Colombia )
                0034-7434
                December 2016
                : 67
                : 4
                : 311-318
                Affiliations
                [02] Cali orgnameFundación Clínica Valle del Lili orgdiv1Jefatura Unidad de Alta Complejidad Obstétrica orgdiv2Ginecoobstetricia Colombia
                [03] Cali orgnameFundación Clínica Valle del Lili orgdiv1Medicina interna orgdiv2Cardiología Colombia
                [04] Cali orgnameUniversidad Icesi orgdiv1Fundación Clínica Valle del Lili orgdiv2Quinto Año de Medicina Colombia
                [01] Medellín orgnameUniversidad CES orgdiv1Ginecoobstetricia orgdiv2Epidemiología Colombia
                [05] Cali orgnameFundación Clínica Valle del Lili orgdiv1Servicio de Ginecología y Obstetricia orgdiv2Medicina rural de investigaciones clínicas Colombia
                Article
                S0034-74342016000400007
                10.18597/rcog.1096
                acea7294-75b4-46b6-9754-63f804ba5853

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

                History
                : 14 September 2015
                : 25 November 2016
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 21, Pages: 8
                Product

                SciELO Colombia


                valvuloplastia con balón,embarazo,balloon valvuloplasty,Mitral valve stenosis,pregnancy,estenosis de la válvula mitral

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