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Prognostic Aspects of TcPO2 in Iloprost Treatment as an Alternative to Amputation

P. Habault, MD

M. Ledemeney, MD

C. Haon, MD

D. Chomard, MD

Centre Medical La Fontaine au Bac 53170 Le Bignon du Maine France

To help in determining management strategy as an alternative to amputation by using a synthetic prostacycline, a preliminary study was undertaken in 12 patients (11 men and one woman), with a mean age of 71.08 years, ie, 13 limbs evaluated at the stage of amputation. All patients were treated with a combination of iloprost and physical therapy (massage, specific exercises, cardiorespiratory training). Static transcutaneous oxygen pressure (TcPO₂) was measured, with a sensitization test by verticalization and inhalation of oxygen, on day (D) D0, D15, D28, D60, D180, and D365. Results were analyzed in absolute terms and by tissue oxygenation ratio (TOR) (ratio between absolute values of TcPO₂ in the foot and those of a reference chest electrode). Supine TOR and vertical TOR, with values of 36.67 and 65.08, respectively, appeared to be significantly linked to the variable "preservation of limb." At 1 year, seven limbs were preserved (53.85%) while amputation had been scheduled for all the patients treated. Evidence was found in all patients who kept their limb of stability (7.69%) and a decrease in (30.77%) or disap pearance of pain (15.38%) at 1 year.

Angiology, Vol. 50, No. 4, 283-288 (1999)
DOI: 10.1177/000331979905000403


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