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  • Thoracic Spinal Cord Stimulation in Patients with Morbid Obesity: A Case Series and Technical Considerations

    Final Number:
    307

    Authors:
    Chen Xu M.D.; Raj Kiran Nangunoori MD; Nestor Denys Tomycz MD

    Study Design:
    Other

    Subject Category:
    Pain

    Meeting: 2016 ASSFN Biennial Meeting

    Introduction: There is increasing evidence that patients with obesity, particularly morbid obesity (body mass index > 40), are at greater risk of complications with spinal decompression and fusion surgery. There is a dearth of literature analyzing the risks of complications in morbidly obese patients undergoing neuromodulation surgery such as spinal cord stimulation (SCS).

    Methods: A retrospective chart review was conducted to identify patients with morbid obesity who had undergone thoracic SCS by a single-surgeon.

    Results: From 2013 to 2016, 7 patients with morbid obesity were identified with a mean age of 51.71 years (range: 41-65) and mean BMI of 43.24 (range: 39.1-51.5) who had undergone thoracic paddle lead spinal cord stimulation implant with flank pulse generator placement. All patients underwent general anesthesia with SSEP monitoring for thoracic SCS placement. Two patients underwent implant of Boston Scientific SCS, 4 patients underwent implant of St. Jude SCS, and 1 patient received a Medtronic SCS. Diagnoses included failed back surgery syndrome, CRPS, and occipital neuralgia. No patient developed infection or neurologic deficit but one patient had a culture-negative pulse generator wound dehiscence which required pulse generator explant. Surgery required larger instruments and retractors as well as longer operative times.

    Conclusions: Patients with morbid obesity can safely undergo placement of various thoracic SCS paddle lead systems. Based on this single-center, single-surgeon experience, patients with morbid obesity undergoing thoracic SCS are likely at higher risk for wound complications but can achieve similar efficacy outcomes as normal weight patients. Operative technical and anesthetic considerations of thoracic SCS surgery in morbidly obese patients will be presented.

    Patient Care: To bring awareness to possible complications related to SCS in patients with morbid obesity and further show operative techniques with regards to neuromodulation procedures

    Learning Objectives: To bring to light surgical technique and investigate complications related to SCS in patients with morbid obesity.

    References:

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