[Algodystrophy: predisposition and pathogenic factors. Results of a multicentric survey concerning 765 cases].

The authors analyze the results of a cooperative and retrospective survey of seven hundred and sixty five cases of reflex dystrophies of all localizations. Most of the etiologies usually described were present. As for predisposing factors, some, such as psychic or vascular factors and alcoholism, seem to have been overestimated. Others, such as diabetes or hypertriglyceridemia, are confirmed as predisposing factors. Recurrent forms, the summation of trigger actions or predisposing factors are relatively rare. These findings can mean that the "reflex dystrophic ground", if it exists, remains largely to be discovered. Among the various possible localizations of reflex dystrophy, only the hip a real etiopathogenic individuality.