Phosphodiesterase 5 Inhibitor Use in Men With Hypertrophic Cardiomyopathy

Lukas Ruzek1, Tomas Konecny2, Filip Soucek2

  • 1Division of Cardiovascular Diseases and Internal Medicine, Mayo Clinic, Rochester, Minnesota; Department of Cardiovascular Diseases, International Clinical Research Center, St. Anne's University Hospital Brno, Brno, Czech Republic; Department of Anesthesiology and Intensive Care, St. Anne's University Hospital Brno, Brno, Czech Republic.

Insights

Sexual dysfunction (SD) affects 22% of men with hypertrophic cardiomyopathy (HC). Many use phosphodiesterase 5 inhibitors (PDE5i), potentially impacting HC treatment. Further research is needed for safe SD therapy in HC patients.

Area of Science:

  • Cardiology
  • Urology
  • Genetics

Background:

  • Hypertrophic cardiomyopathy (HC) is the most common inherited cardiomyopathy.
  • Sexual dysfunction (SD) is common in cardiovascular disease but its prevalence in HC is unknown.
  • Phosphodiesterase 5 inhibitors (PDE5i), a common SD treatment, may affect the left ventricular outflow tract pressure gradient in HC patients.

Purpose of the Study:

  • To determine the prevalence of sexual dysfunction (SD) in men with hypertrophic cardiomyopathy (HC).
  • To assess the use of phosphodiesterase 5 inhibitors (PDE5i) in men with HC and SD.
  • To highlight the need for evidence-based guidelines for SD treatment in HC.

Main Methods:

  • Retrospective study evaluating medical records of men with HC.
  • SD defined by diagnosis, medication use, or patient-reported symptoms.
  • Prevalence calculated based on identified SD cases.

Main Results:

  • 283 men with HC were evaluated (mean age 52.9 years).
  • 63 patients (22%) were identified with sexual dysfunction (SD).
  • 38% of men with SD were regularly using phosphodiesterase 5 inhibitors (PDE5i).

Conclusions:

  • Sexual dysfunction (SD) and phosphodiesterase 5 inhibitor (PDE5i) use are common in men with hypertrophic cardiomyopathy (HC).
  • Further studies are required to establish safe treatment algorithms for SD in HC.
  • This research addresses a critical gap in managing HC patients with sexual health concerns.

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