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[Evaluation of paravalvular leakage occurring after the 3rd mitral valve replacement]

Sachito Fukuda1, S Miura, T Kitamura

  • 1Department of Cardiovascular Surgery, Mitsui Memorial Hospital, Tokyo, Japan.

Kyobu Geka. the Japanese Journal of Thoracic Surgery
|February 14, 2008
PubMed

Insights

Repeated mitral valve replacement (MVR) significantly increases the risk of paravalvular leakage (PVL). Patients with prior PVL are more susceptible to developing it after subsequent MVR procedures.

Area of Science:

  • Cardiology
  • Cardiac Surgery

Context:

  • Paravalvular leakage (PVL) is a known complication following mitral valve replacement (MVR).
  • The incidence and recurrence of PVL after multiple MVR procedures are not well-established.

Purpose:

  • To evaluate the frequency and recurrence of paravalvular leakage (PVL) in patients undergoing multiple mitral valve replacements (MVR).

Summary:

  • This study analyzed 21 patients with 3 or more MVRs. PVL developed in 38% of those with 3 MVRs and 100% of those with 4 MVRs.
  • PVL recurrence was higher (67%) when the third MVR was for PVL compared to other complications (11%).
  • A history of PVL after initial MVRs significantly increased the risk of PVL after subsequent MVRs.

Impact:

  • Findings indicate that repeated MVR procedures elevate the risk of PVL.
  • Patients with a history of PVL face a higher likelihood of developing PVL after repeated MVRs, necessitating careful monitoring.

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