Pain physician
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Observational Study
National Perioperative Outcomes for Intrathecal Pump, Spinal Cord Stimulator, and Peripheral Nerve Stimulator Procedures.
There is abundant literature on the long-term complications of intrathecal pumps (ITP), spinal cord stimulators (SCS), and peripheral nerve stimulators (PNS) used in the treatment of chronic pain. There is less information, however, on the perioperative complications of these procedures. ⋯ Databases such as NACOR can provide rich information on ITP, SCS, and PNS for physicians performing these procedures. In this sample, ITP procedures, performed on the patients with the most severe cormobidities and often-requiring general anesthesia, were the most likely to be associated with hemodynamic instability, inadequate pain control, and extended PACU stays. Complications relating to the ITP are also the most common reason for an operation. These findings underscore the importance of proper patient selection for ITP and other implantable pain devices, in particular for patients with malignant pain or multiple co-morbidities. To identify the root causes of complications, additional information is needed on the procedure performed (e.g., an implant vs a revision), the surgical technique used, and the device implanted, as well as on specific patient comorbidities. Such information will likely become more available as resources like NACOR expand and as electronic medical record systems and coding become more integrated.
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Radiofrequency thermocoagulation (RFT) has been widely used to manage trigeminal neuralgia (TN) refractory to oral medication. Careful selection of patients for managing TN with RFT can decrease morbidity and improve treatment efficacy. ⋯ IRB No. 1403-118-569.
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Some patients have pelvic, pudendal, or low lumbar pain radiating into the legs that is worse while sitting but differs from pudendal neuralgia. The purpose of this study was to present a new clinical entity of neuropathic pelvic pain by pelvic neuro-vascular entrapment. ⋯ Neuro-vascular entrapment is a pathophysiologic phenomenon implicated in several pelvic neuropathies. The most common are L5-S1 sciatica, pudendal neuralgia, and sacral radiculopathy. After intraoperative confirmation, laparoscopic exploration of the entire sacral plexus is essential to diagnose conflict. Laparoscopic decompression is a treatment of choice, based on the separation of the offending vessel from the nerves. Those procedures are safe, with a high success rate; the neuropelveological approach is essential in order to obtain good treatment results. The laparoscopic approach gives the possibility of reducing morbidity and improving results by providing wider insight into the operating field with smaller intraoperative injury.
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Insomnia is highly prevalent among people with chronic pain conditions. Because insomnia has been shown to worsen pain, mood, and physical functioning, it could negatively impact the clinical outcomes of patients with chronic pain. ⋯ This study is a retrospective analysis. IRB No: 4-2014-0801.
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The causes of subsequent vertebral fractures after kyphoplasty are debated. It is reported that most new vertebral fractures after kyphoplasty develop in adjacent vertebrae. ⋯ New VCFs after kyphoplasty occurred most often in nonadjacent vertebrae. VCFs after kyphoplasty were common in patients with low bone mineral density and in women, suggesting that osteoporosis is an underlying mechanism. INSTITUTIONAL REVIEW: This study was approved by the institutional review board.