[Experience in Obstructive Hyperthrophic Myocardiopathy Surgery at a National Reference Center]

Víctor Robles1, Yemmy Pérez1, Josías Ríos1

  • 1Servicio de Cirugía Cardiovascular Adulto - Instituto Nacional Cardiovascular INCOR. Lima, Perú. Servicio de Cirugía Cardiovascular Adulto - Instituto Nacional Cardiovascular INCOR Lima Perú.

Insights

Surgical treatment for hypertrophic obstructive cardiomyopathy (HOC) significantly improves patient symptoms and reduces left ventricular outflow tract gradient (LVOTG) and mitral regurgitation (MR). This effective intervention offers substantial benefits for HOC patients.

Area of Science:

  • Cardiovascular Surgery
  • Cardiology
  • Medical Research

Context:

  • Hypertrophic obstructive cardiomyopathy (HOC) presents significant clinical challenges.
  • Effective treatment strategies for HOC are crucial for improving patient outcomes.
  • Surgical intervention is a key therapeutic option for managing HOC.

Purpose:

  • To evaluate the clinical characteristics and surgical outcomes of hypertrophic obstructive cardiomyopathy (HOC).
  • To demonstrate the efficacy of surgical treatment for HOC at a national reference institute.
  • To analyze the postoperative evolution of symptomatology, functional class, left ventricular outflow tract gradient (LVOTG), and mitral regurgitation (MR) in HOC patients.

Summary:

  • A retrospective case series analyzed 13 patients with HOC undergoing septal myectomy.
  • Pre-surgery, 85% of patients were in functional class III-IV with severe mitral regurgitation (MR) and a mean LVOTG of 111 mmHg.
  • Post-surgery, 69% improved to functional class I, 92% had minimal MR, and LVOTG reduced to 16 mmHg.

Impact:

  • Surgical treatment for HOC yields positive results, improving functional class and reducing LVOTG and MR.
  • Simultaneous mitral valve surgery enhances treatment efficacy in select HOC cases.
  • This study highlights the success of addressing both myocardial and valve components in HOC management.
Abstract

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