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[Methadone-induced heart arrhythmia]

Christian Østvold1, Magnus Topper

  • 1Hjerteseksjonen, Medisinsk avdeling, Sykehuset Telemark, 3710 Skien.

Tidsskrift for Den Norske Laegeforening : Tidsskrift for Praktisk Medicin, Ny Raekke
|August 16, 2005
PubMed

Insights

Screening patients with an electrocardiogram (ECG) before and during methadone therapy is crucial. This is due to the risk of developing QT prolongation and ventricular arrhythmias, as evidenced by two patient cases.

Area of Science:

  • Cardiology
  • Pharmacology
  • Clinical Medicine

Background:

  • Methadone therapy is widely used for opioid use disorder and pain management.
  • The necessity of routine electrocardiogram (ECG) screening during methadone treatment remains debated.

Observation:

  • Two patients receiving methadone treatment developed significant QT prolongation.
  • These patients subsequently experienced sustained ventricular arrhythmias.

Findings:

  • The presented cases suggest a link between methadone therapy and potentially life-threatening cardiac events.
  • A review of existing literature supports the occurrence of such adverse cardiac events in patients on methadone.

Implications:

  • Routine ECG monitoring before and during methadone therapy is recommended to mitigate cardiac risks.
  • This practice may help prevent serious arrhythmias and improve patient safety in long-term methadone treatment.

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