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Sustained Effectiveness of 10  kHz High‐Frequency Spinal Cord Stimulation for Patients with Chronic, Low Back Pain: 24‐Month Results of a Prospective Multicenter Study
Author(s) -
AlKaisy Adnan,
Van Buyten JeanPierre,
Smet Iris,
Palmisani Stefano,
Pang David,
Smith Thomas
Publication year - 2014
Publication title -
pain medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.893
H-Index - 97
eISSN - 1526-4637
pISSN - 1526-2375
DOI - 10.1111/pme.12294
Subject(s) - medicine , oswestry disability index , spinal cord stimulator , adverse effect , chronic pain , anesthesia , observational study , back pain , prospective cohort study , patient satisfaction , physical therapy , opioid , low back pain , spinal cord stimulation , stimulation , surgery , receptor , pathology , alternative medicine
Objective The aim of this study was to investigate the long‐term efficacy and safety of paresthesia‐free high‐frequency spinal cord stimulation ( HF 10 SCS ) for the treatment of chronic, intractable pain of the low back and legs. Design Prospective, multicenter, observational study. Method Patients with significant chronic low back pain underwent implantation of a spinal cord stimulator capable of HF 10 SCS . Patients' pain ratings, disability, sleep disturbances, opioid use, satisfaction, and adverse events were assessed for 24 months. Results After a trial period, 88% (72 of 82) of patients reported a significant improvement in pain scores and underwent the permanent implantation of the system. Ninety percent (65 of 72) of patients attended a 24‐month follow‐up visit. Mean back pain was reduced from 8.4 ± 0.1 at baseline to 3.3 ± 0.3 at 24 months ( P  < 0.001), and mean leg pain from 5.4 ± 0.4 to 2.3 ± 0.3 ( P  < 0.001). Concomitantly to the pain relief, there were significant decreases in opioid use, O swestry D isability I ndex score, and sleep disturbances. Patients' satisfaction and recommendation ratings were high. Adverse E vents were similar in type and frequency to those observed with traditional SCS systems. Conclusions In patients with chronic low back pain, HF 10 SCS resulted in clinically significant and sustained back and leg pain relief, functional and sleep improvements, opioid use reduction, and high patient satisfaction. These results support the long‐term safety and sustained efficacy of HF 10 SCS .

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