Pain practice : the official journal of World Institute of Pain · 2012
Modulation of somatosensory profiles by spinal cord stimulation in primary Raynaud's syndrome.
Клинический случайСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Münster Tino, Tiebel Nils, Seyer Hendrikus, Maihöfner Christian
Аннотация
BACKGROUND AND GOAL: Spinal cord stimulation (SCS) is an effective antinociceptive treatment for various neuropathic pain syndromes. Apart from antinociceptive action, it may modulate overall somatosensory perception. This case report targets the question of whether SCS may alter quantitative sensory testing (QST) in a patient with primary Raynaud's syndrome.
MATERIALS AND METHODS: We report on a 44-year-old female patient with primary Raynaud's syndrome who had SCS via cervical and lumbar electrodes. QST was performed in a standardized manner assessing cold detection threshold (CDT) and warm detection threshold (WDT), cold pain threshold (CPT) and heat pain threshold (HPT), mechanical detection threshold (MDT) and mechanical pain threshold (MPT) thresholds, and vibration detection threshold (VDT) and pressure pain thresholds (PPT). We tested at the dorsum of the right/left hand of the patient with engaged and disengaged SCS. Test results were compared with a control group of 80 subjects.
RESULTS: Without SCS, the patient showed a sensory decrease in CDT, MDT, MPT, and VDT. SCS influenced the perception of cold, warm, and tactile detection thresholds, whereby CDT, WDT, and VDT were impaired and MDT was improved.
CONCLUSION: SCS significantly modulated the somatosensory profile in a patient with primary Raynaud's syndrome. These effects were pronounced in qualities involving Aβ, C, and A∂ nerve fibers. Further investigations may help to understand the mechanisms of action of SCS.
MATERIALS AND METHODS: We report on a 44-year-old female patient with primary Raynaud's syndrome who had SCS via cervical and lumbar electrodes. QST was performed in a standardized manner assessing cold detection threshold (CDT) and warm detection threshold (WDT), cold pain threshold (CPT) and heat pain threshold (HPT), mechanical detection threshold (MDT) and mechanical pain threshold (MPT) thresholds, and vibration detection threshold (VDT) and pressure pain thresholds (PPT). We tested at the dorsum of the right/left hand of the patient with engaged and disengaged SCS. Test results were compared with a control group of 80 subjects.
RESULTS: Without SCS, the patient showed a sensory decrease in CDT, MDT, MPT, and VDT. SCS influenced the perception of cold, warm, and tactile detection thresholds, whereby CDT, WDT, and VDT were impaired and MDT was improved.
CONCLUSION: SCS significantly modulated the somatosensory profile in a patient with primary Raynaud's syndrome. These effects were pronounced in qualities involving Aβ, C, and A∂ nerve fibers. Further investigations may help to understand the mechanisms of action of SCS.