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Rheumatic fever recurrence: a possible cause of restenosis after percutaneous mitral valvuloplasty

A Nigri1, N Alessandri, E Martuscelli

  • 1Institute of Cardiac Surgery, La Sapienza University of Rome, Italy. antonio.nigri@uniroma1.it

Italian Heart Journal : Official Journal of the Italian Federation of Cardiology
|January 5, 2002
PubMed
Abstract

Insights

A rapid restenosis process after percutaneous mitral valvuloplasty (PMV) can occur due to recurrent acute rheumatic fever. Prophylactic treatment may be considered for high-risk patients to prevent this complication.

Area of Science:

  • Cardiology
  • Valvular Heart Disease
  • Rheumatic Heart Disease

Background:

  • Percutaneous mitral valvuloplasty (PMV) is a procedure to treat mitral stenosis.
  • Restenosis, the re-narrowing of the mitral valve, is a known complication after PMV.
  • Acute rheumatic fever recurrence can trigger rapid restenosis.

Purpose of the Study:

  • To evaluate the occurrence of rapid restenosis after PMV.
  • To investigate the role of recurrent acute rheumatic fever in PMV restenosis.
  • To identify potential mechanisms and preventive strategies for restenosis after PMV.

Main Methods:

  • A retrospective study of 120 patients who underwent transseptal PMV from 1986 to 1996.
  • Mean follow-up duration of 58 months.
  • Analysis of restenosis occurrence and its timing relative to acute rheumatic fever recurrence.

Main Results:

  • Restenosis occurred in 8.3% of patients (10 out of 120).
  • Four patients experienced rapid restenosis within 1-3 months post-PMV, associated with rheumatic fever recurrence.
  • Six patients showed a gradual loss of mitral valve area gain over time.

Conclusions:

  • Two mechanisms of restenosis after PMV are suggested: a slow process from turbulent flow-trauma and a rapid process linked to rheumatic fever recurrence.
  • Prophylactic treatment might be beneficial for high-risk patients susceptible to streptococcal infections to prevent rapid restenosis.
  • Further research into prophylactic strategies is warranted, especially for patients with a history of rheumatic fever.

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