the role of transcranial magnetic stimulation over the primary motor cortex area on acute postoperative pain after breast cancer surgery and on the probability of developing chronic neuropathic pain.
New analgesic strategies are needed that can be used adjunctively to existing strategies with the potential to reduce reliance on opioid analgesia. Several novel brain stimulation technologies including transcranial direct current stimulation (tDCS) are beginning to demonstrate promise as treatments for a variety of pain conditions. Electricity has no metabolite or other residue, and can be delivered with minimal discomfort and without problems associated with drug-drug interactions.Transcranial direct current stimulation has been studied in patients with various disorders and multiple pain syndromes. There is also evidence that tDCS might be useful in postsurgical pain reduction.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
30
motor cortex stimulation (2 mA, 20 min for 4 sessions)
South Egypt Cancer Institute
Asyut, Egypt
total morphine comsuption
the total dose of morphine used as analgesic expressed in mg
Time frame: 48 hours
Visual analogue scale
patient asked to describe this pain with scores ranging from 0 to10 (with 0 = no pain and 10 = the worst pain imaginable)
Time frame: baseline,at 2,4,6, 12, 24,36,48 hours
Douleur Neuropathique 4 questions DN4
the possibility of development of neuropathic pain will be assessed using DN4 scale
Time frame: 1month, 3month, 6 month
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