Abstract

Percutaneous Mitral Valvotomy in a Patient with Lutembacher Syndrome as a Bridge to Definitive Surgical Intervention A 45-year-old female patient, Jehovah’s Witness, was diagnosed with Lutembacher syndrome, New York Heart Association (NYHA) class IV congestive heart failure (CHF) and severe malnutrition. Echocardiogram showed an ostium secundum atrial septal defect, 38 mm in diameter, mitral valve area of 0.5 cm2, Wilkins score of 10, severe pulmonary hypertension, estimated systolic pressure of 96 mmHg, right ventricle with significant dilation and severe dysfunction and severe tricuspid valve insufficiency. Despite optimal clinical treatment, there was no improvement of CHF or the patient’s overall condition, which led to a change in the initial conduct of surgical treatment to a two-stage therapy, starting with balloon mitral valvotomy, as a bridge to surgery. Postoperative mitral valve area increased to 1.34 cm2. The patient evolved with significant clinical improvement, and surgery was performed 120 days later with mitral valve replacement by a mechanical valve and atrioseptoplasty using a bovine pericardial patch in addition to tricuspid valve cerclage. Patient was discharged 11 days after the surgery and is currently on the sixth postoperative month, evolving with clinical stability and improvement in quality of life. Valvotomia Mitral Percutânea em Paciente com Síndrome de Lutembacher como Ponte para Intervenção Cirúrgica Definitiva Paciente com 45 anos de idade, do sexo feminino, testemunha de Jeová, portadora de síndrome de Lutembacher, com insuficiência cardíaca congestiva (ICC) grau funcional IV da New York Heart Association (NYHA) e desnutrição grave. O ecocardiograma revelou comunicação interatrial tipo ostium secundum, com 38 mm de diâmetro; área valva mitral de 0,5 cm2, com escore de Wilkins de 10; hipertensão pulmonar grave, com pressão sistólica estimada em 96 mmHg; ventrículo direito com significativa dilatação e disfunção grave; e insuficiência valvar tricúspide grave. Apesar do tratamento clínico otimizado, não houve melhora do quadro de ICC nem do estado geral, motivando a mudança da conduta de tratamento cirúrgico inicial para tratamento em dois tempos, primeiramente por meio de valvotomia mitral por balão, como ponte para a cirurgia. A área valvar mitral pós-procedimento aumentou para 1,34 cm2. A paciente evoluiu com significativa melhora clínica, sendo realizada cirurgia 120 dias após, com substituição da válvula mitral por uma prótese mecânica e atriosseptoplastia com patch de pericárdio bovino, além de cerclagem da válvula tricúspide. A alta hospitalar ocorreu 11 dias após a cirurgia. Atualmente, encontra-se no sexto mês pós-procedimento cirúrgico, evoluindo com estabilidade clínica e melhora da qualidade de vida.

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