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Related Experiment Video

Updated: Jun 22, 2026

Murine Spinotrapezius Model to Assess the Impact of Arteriolar Ligation on Microvascular Function and Remodeling
16:43

Murine Spinotrapezius Model to Assess the Impact of Arteriolar Ligation on Microvascular Function and Remodeling

Published on: March 3, 2013

Microvascular arterial bypass surgery: long-term outcomes using validated instruments.

Ricardo Munarriz1, Jayant Uberoi, Gemma Fantini

  • 1Center for Sexual Medicine, Department of Urology, Boston University School of Medicine, Boston, Massachusetts 02118, USA. munarriz@bu.edu

The Journal of Urology
|June 23, 2009
PubMed
Summary
This summary is machine-generated.

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Penile microarterial bypass surgery significantly improves erectile function and satisfaction in young men without vascular risk factors. This procedure offers a long-term solution, though some patients experience penile length or sensation changes.

Area of Science:

  • Urology
  • Vascular Surgery
  • Sexual Medicine

Background:

  • Penile microarterial bypass surgery is a potential treatment for erectile dysfunction (ED).
  • Its experimental status stems from a lack of standardized protocols and long-term data.
  • This study focuses on young men (<55 years) without vascular risk factors.

Purpose of the Study:

  • To report long-term outcome data for penile microarterial bypass surgery.
  • To evaluate efficacy using validated questionnaires in a specific patient cohort.
  • To assess the potential of this surgery as a definitive treatment for ED.

Main Methods:

  • Retrospective study of 71 men who underwent penile microarterial bypass surgery (1996-2007).
  • Mean follow-up of 34.5 months.

Related Experiment Videos

Last Updated: Jun 22, 2026

Murine Spinotrapezius Model to Assess the Impact of Arteriolar Ligation on Microvascular Function and Remodeling
16:43

Murine Spinotrapezius Model to Assess the Impact of Arteriolar Ligation on Microvascular Function and Remodeling

Published on: March 3, 2013

  • Utilized validated instruments to assess erectile function, depression, and treatment satisfaction.

    • Main Results:

    • Significant improvements in penile rigidity, International Index of Erectile Function (IIEF) scores, and depression scores were observed.
    • High treatment satisfaction reported.
    • Short-term complications were rare; long-term complications included loss of penile length (20/71) and decreased penile sensation (18/71).

    Conclusions:

    • Penile microarterial bypass surgery offers significant long-term benefits for erectile function, depression, and satisfaction.
    • It is a viable option for carefully selected patients with pure cavernous arterial insufficiency and no vascular risk factors.
    • Further standardization and data are needed, but results are promising.