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Article type: Research Article
Authors: Park, Donghwia | Choi, Jin-Woob | Chang, Min Cheolc; *
Affiliations: [a] Department of Rehabilitation Medicine, Daegu Fatima Hospital, Daegu, Korea | [b] Department of Physical Medicine and Rehabilitation, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea | [c] Department of Rehabilitation Medicine, College of Medicine, Yeungnam University, Daegu, Korea
Correspondence: [*] Corresponding author: Min Cheol Chang, Department of Physical Medicine and Rehabilitation, College of Medicine, Yeungnam University 317-1, Daemyungdong, Namku, Daegu 705-717, Korea. Tel.: +82 53 620 4682; E-mail: [email protected].
Abstract: BACKGROUND: Despite the application of various therapeutic methods, pain caused by complex regional pain syndrome (CRPS) is not sufficiently managed and often progresses to a chronic stage. For the systematic and effective treatment of CRPS, we developed an algorithm for multimodal medication therapy based on the established pathophysiology of CRPS to control CRPS-related pain. OBJECTIVE: In this study, we present the outcomes of our novel algorithm for multimodal medication therapy for patients with CRPS, consisting of three major components: multimodal oral medication, intravenous ketamine, and intravenous lidocaine therapy. METHODS: We retrospectively investigated patients with CRPS who received multimodal therapy. Pain severity scores were evaluated using a numerical rating scale at four time points (P1, pain at initial consultation; P2, pain after oral medication; P3, pain after ketamine treatment; and P4, pain after lidocaine treatment). The effect of the multimodal medication therapy algorithm on pain management was evaluated at each time point. RESULTS: In patients with CRPS, multimodal oral medication, intravenous ketamine, and intravenous lidocaine therapies led to significantly improved pain control (p< 0.05). Additionally, the combination of these three therapies (through the multimodal medication therapy algorithm) resulted in significant pain relief in patients with CRPS (p< 0.05). CONCLUSIONS: Our multimodal medication therapy algorithm effectively controlled pain in patients with CRPS. However, further prospective studies with large sample sizes and randomized controlled trials are needed for more accurate generalization.
Keywords: Complex regional pain syndromes, drug therapy, neuralgia, ketamine, lidocaine
DOI: 10.3233/BMR-230179
Journal: Journal of Back and Musculoskeletal Rehabilitation, vol. 37, no. 3, pp. 687-696, 2024
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