What is a meaningful pain reduction in patients with complex regional pain syndrome type 1

作者: Tymour Forouzanfar , Wilhelm E. J. Weber , Marius Kemler , Maarten van Kleef

DOI: 10.1097/00002508-200309000-00001

关键词: After treatmentIn patientMedicineComplex regional pain syndromePhysical therapyVisual analogue scalePain reductionPain reliefReduction (orthopedic surgery)Anesthesia

摘要: OBJECTIVE To investigate the degree of pain reduction in patients with complex regional syndrome type 1 (CRPS 1) that can be defined as "successful." DESIGN All rated their on a visual analog scale (VAS; 0-10) before treatment and three occasions after treatment, at 6 months, year, 2 years. Patients also Global Perceived Effect (GPE) for relief same time periods. The GPE items were classified "successful" or "unsuccessful." mean absolute relative (using VAS) was calculated both "unsuccessful" classifications each period. Sensitivity specificity analyses performed. PATIENTS Sixty-one CRPS 1. RESULTS 58% (SD, 23.4) more "successful," whereas patient groups reduced significantly VAS. Furthermore, sensitivity showed cut-off point 50% 3-cm VAS have highest likelihood will report GPE. CONCLUSIONS Relative an least 3 cm are accurate predicting successful given treatment.

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