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[Simpson's atherectomy in embolizing leg artery stenoses].

G Küffer1, R Hansen, F A Spengel

  • 1Klinik und Poliklinik, Universität München.

Rofo : Fortschritte Auf Dem Gebiete Der Rontgenstrahlen Und Der Nuklearmedizin
|September 1, 1991
PubMed
Summary

Blue toe syndrome, caused by artery micro-emboli, can lead to gangrene. Simpson's atherectomy effectively treated six patients, resolving pre-gangrenous changes without relapse over a ten-month follow-up.

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Area of Science:

  • Vascular Surgery
  • Cardiovascular Medicine
  • Dermatology

Background:

  • Blue toe syndrome results from atheromatous micro-emboli to digital arteries.
  • It presents as painful cutaneous necroses and risk of digital gangrene.
  • Urgent intervention is necessary to prevent limb loss.

Purpose of the Study:

  • To evaluate the efficacy of Simpson's atherectomy in treating blue toe syndrome.
  • To assess the long-term outcomes and recurrence rates following the procedure.

Main Methods:

  • Six patients with unilateral blue toe syndrome were treated.
  • Simpson's atherectomy was performed on proximally situated femoropopliteal stenoses.
  • Angioscopy and histological examination identified emboli as fibrino-platelet thrombi.

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Main Results:

  • All six patients experienced complete healing of pre-gangrenous digital changes post-treatment.
  • A mean follow-up period of ten months showed no recurrence of symptoms.
  • Embolic material was visualized with angioscopy and confirmed histologically.

Conclusions:

  • Simpson's atherectomy is a successful treatment for blue toe syndrome.
  • The procedure effectively resolves digital ischemia and prevents gangrene.
  • Long-term outcomes are favorable with no observed relapses.