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Treating peripheral arterial occlusive disease: pentoxifylline vs exercise

G Ciuffetti1, R Paltriccia, R Lombardini

  • 1Department of Internal Medicine, University of Perugia, Italy.

International Angiology : a Journal of the International Union of Angiology
|March 1, 1994
PubMed
Summary

Pentoxifylline therapy significantly improved walking capacity in Stage II Peripheral Arterial Occlusive Disease (PAOD) patients by reducing granulocyte free radical production and adhesion molecule expression, indicating enhanced microcirculation.

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Area of Science:

  • Vascular Medicine
  • Pharmacology
  • Exercise Physiology

Background:

  • Peripheral Arterial Occlusive Disease (PAOD) significantly impacts patient mobility and quality of life.
  • Microcirculatory dysfunction and inflammatory processes play a key role in PAOD progression.

Purpose of the Study:

  • To compare the effects of Pentoxifylline therapy and physical training on microcirculatory parameters and walking capacity in Stage II PAOD patients.
  • To investigate Pentoxifylline's impact on granulocyte function and adhesion molecules.

Main Methods:

  • A randomized controlled trial comparing Pentoxifylline (800 mg TID) plus physical training against physical training alone in Stage II PAOD patients.
  • Assessment of maximum walking time, TcPO2 half recovery time, granulocyte free radical production, and CD11/CD18 expression before and after 12 weeks of intervention.

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Main Results:

  • Pentoxifylline significantly inhibited granulocyte free radical production and reduced CD11/CD18 adhesion molecule expression.
  • These microcirculatory improvements correlated with a significant increase in walking capacity (+14%) and a decrease in TcPO2 half recovery time (-39%) compared to the exercise group.
  • Physical training alone did not show significant effects on these cellular and microcirculatory parameters.

Conclusions:

  • Pentoxifylline therapy, in conjunction with physical training, offers significant benefits for Stage II PAOD patients by improving microcirculatory function.
  • The observed improvements in walking capacity are linked to Pentoxifylline's ability to modulate inflammatory cellular responses.