Síndrome de dolor regional complejo tipo ii facial con cambios tróficos documentados / Type II facial complex regional pain syndrome with documented trophic changes

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[Complex regional pain syndrome type I (CRPS I). Pathophysiology, diagnostics, and therapy]. / Das komplexe regionale Schmerzsyndrom Typ I (CRPS I). Ursachen, Diagnostik und Therapie.

Complex regional pain syndrome type I (CRPS type I)--formerly termed Sudeck's atrophy or reflex sympathetic dystrophy (RSD)--causes chronic, poorly controllable pain, autonomic, sensorimotor disorders,and serious trophic alterations in the later stages. It develops in the distal extremities mostly after minimal trauma or surgical intervention and rarely spontaneously. The severity of symptoms is disproportionate to the causative event. The latest scientific findings show that the previously called reflex sympathetic dystrophy (RSD), which was supposed to be a result of a hyperreactive autonomic nervous system,is a very complex syndrome that occurs on different integration levels of the nervous system. Sympathetically maintained pain (SMP) may be facultatively characteristic, but is not to be misunderstood as an underlying mechanism. A neurogenic inflammation reaction has recently been discussed, just as had been postulated by Paul Sudeck long before. That was the reason why the International Association for the Study of Pain (ISAP) introduced the more descriptive term "complex regional pain syndrome" (CRPS) type I in 1994. Due to the complexity of the process necessitating qualified knowledge, it is important to immediately refer patients to a specialized pain OPD or clinic. The diagnosis of CRPS type I is based upon a carefully taken case history and a clinical examination by an experienced practitioner. Imaging diagnostic tools and laboratory findings are of no or only low predicative value. The question of whether SMP exists after diagnosing CRPS type I is eminent for therapy planning. Therefore, diagnostic regional anesthetics are still important in spite of their uncertain prognostic relevance. Physical therapy, occupational therapy, medical treatment, and psychotherapy play an important role in the primary treatment of CRPS type I as noninvasive procedures. Despite heavy criticism, invasive sympathetic block, subsequent to adequate diagnostics, is an important part of the therapeutic concept. A multimodal therapeutic concept, which includes all available possibilities, is absolutely necessary to avoid grave permanent disabilities caused by insufficient or failed therapy. Nevertheless, already established as well as new treatment modalities have to be critically observed by further randomized, prospective control trials.

Classification of complex regional pain syndromes. New concepts.

A new classification system, termed complex regional pain syndromes types I and II, has been devised to replace the nomenclature of pain disorders previously termed reflex sympathetic dystrophy and causalgia. CRPS type I does not have identifiable major nerve injury, whereas CRPS type II has an identifiable major nerve injury. The classification is based on clinical symptoms and signs without incorporating any mechanistic connotations. These CRPS disorders may have SMP, SIP, or both.

Reflex sympathetic dystrophy: changing concepts and taxonomy.

We present a revised taxonomic system for disorders previously called reflex sympathetic dystrophy (RSD) and causalgia. The system resulted from a special consensus conference that was convened on this topic and is based upon the patient's history, presenting symptoms, and findings at the time of diagnosis. The disorders are grouped under the umbrella term CRPS: complex regional pain syndrome. This overall term, CRPS, requires the presence of regional pain and sensory changes following a noxious event. Further, the pain is associated with findings such as abnormal skin color, temperature change, abnormal sudomotor activity, or edema. The combination of these findings exceeds their expected magnitude in response to known physical damage during and following the inciting event. Two types of CRPS have been recognized: type I, corresponds to RSD and occurs without a definable nerve lesion, and type II, formerly called causalgia refers to cases where a definable nerve lesion is present. The term sympathetically maintained pain (SMP) was also evaluated and considered to be a variable phenomenon associated with a variety of disorders, including CRPS types I and II. These revised categories have been included in the 2nd edition of the IASP Classification of Chronic Pain Syndromes.

Causalgia: clarifications in terminology and a case presentation.

By way of literature review, clarifications are made in the terminology employed in discussing the atypical post-traumatic pain syndromes, particularly reflex sympathetic dystrophy (RSD). Causalgia is a form of RSD and is the focus of a case report presented from the files at St. Anne's Hospital-West, Northlake, Illinois.

Iatrogenic causalgia. Classification, clinical findings, and legal ramifications.

Eleven patients had causalgia that resulted from surgical procedures or improperly placed injections. It is the intense, unremitting, burning quality of the pain that distinguishes causalgia from other nerve injury sequelae. The mode of injury, as well as the symptoms and signs and their duration, suggests that the recent tendency to divide causalgia into "major" and "minor" forms on the basis of its occurrence during war or peace, with or without autonomic dysfunction, is improper. Most of these patients have sought legal redress. All cases for which the legal issues are complete have been settled in favor of the plaintiffs.