[Long-term results of sympathectomy].
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Biomedical subjects
Publications and source records attributed to A Gedeon.
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The authors repeat part of their report to the 79th French Congress of Surgery, presented in September, 1977. They recall that chronic obstructive arteriopathies affect from 1.5% to 4% of the population, and that in half of the cases, the symptoms are those of a simple intermittent claudication. Atheromatosis is the main cause, but to this must be added many other risk factors, smoking and metabolic disorders, especially glucidic and lipidic ones. There is spontaneous worsening in only half the cases. Other vascular and coronary ailments and problems of the cerebral vessels are responsible for most of the deaths of patients affected by arteriopathies of the lower limbs. The precise pain mechanism of the intermittent arterial claudication, its physio-pathological significance, like the mechanisms of vasomotricity and the development of the collateral circulation, are not yet completely clear. A therapeutic attitude can only be taken keeping in mind these developmental and physiopathological data: claudication is a symptom that does not necessarily mean that the limb is threatened.
The authors recall that in their report presented to the 79th French Congress of Surgery (September, 1977), they included the results of 26,632 chronic obstructive arteriopathies, 49.8% of them at the intermittent claudication stage. Medical treatment was initially proposed in 27% of cases. The results were followed up in 1,660 patients. At term (8 years and more), there were good results in only one third of the patients, and 28% of the patients had to be operated on. Lumbar sympathectomy was practiced on an isolated basis in 35% of cases. At the cost of a minimal (0.7%) mortality rate, with improvement beyond eight years in 61.5% of patients, and only 19% having to undergo direct revascularization. Direct revascularization was proposed in 38% of cases. At the aorto-iliac stage, thrombo-endarterectomies and single and bi-lateral prothetic bridgings gave very similar results: a mortality rate of 3.4% on the average, with good results beyond eight years in 76.6% of patients. Direct revascularizations are practiced almost as often on the femoro-popliteal level for simple intermittent claudications. Mortality is low (1%), and the long-range results similar (76.4% of good results beyond 8 years), but the installation of a prothesis at the femoro-popliteal stage so often fails that it should not be done if the intermittent claudication is tolerable. Surgery plays a prime role in the treatment of claudications of arterial origin, a role that the success and the continuation of the good results, when applied under the proper conditions, amply justifies.