Pain physician
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The piriformis muscle syndrome has been described in the literature since 1947 and accounts for 6-8% of patients presenting with buttock pain, which may variably be associated with sciatica. Through the years, there have been attempts to find safe and effective ways of managing this condition, whether through conservative treatment or with the use of interventional procedures. ⋯ This is the first report on the combined use of ultrasonography and motor stimulation in performing piriformis muscle injection. Our technique offers advantages such as: markedly decreased radiation exposure for both patient and doctor; improved visualization of sciatic nerve and surrounding muscles; improved portability; the possibility of being performed as an office-based procedure; and allows for an accurate confirmation of pain in the piriformis muscle with stimulation.
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Physicians in the United States have been affected by significant changes in the pattern(s) of medical practice evolving over the last several decades. These changes include new measures to 1) curb increasing costs, 2) increase access to patient care, 3) improve quality of healthcare, and 4) pay for prescription drugs. Escalating healthcare costs have focused concerns about the financial solvency of Medicare and this in turn has fostered a renewed interest in the economic basis of interventional pain management practices. ⋯ Medicare cuts also impact other insurance payments, incurring a "ripple effect" such that many insurers will seek to pay at or around the Medicare rate. In this manuscript, we discuss universal healthcare systems, the CMS proposed ruling and its attendant ripple effect(s), historical aspects of the Medicare payment system, the Sustained Growth Rate system, and the potential consequences incurred by both proposed cuts and potential solutions to the discrepant cost-payment issue(s). As well, ethical issues of policy development upon the infrastructure and practice of interventional pain management are addressed.
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Randomized Controlled Trial Clinical Trial
Acute cardiovascular effects of epidural spinal cord stimulation.
Several animal studies support the contention that thoracic spinal cord stimulation (SCS) might decrease arterial blood pressure. ⋯ This study demonstrated that SCS at either the T1-T2 or T5-T6 region did not significantly alter MAP or HR compared to baseline (no SCS). However, during transcient stress (elevated sympathetic tone) induced by CPT, there was a significant increase in MAP and moderate decrease in HR during SCS at T5-T6 region, which is not consistent with previous data in the literature. Acute SCS did not result in adverse cardiovascular responses and proved to be safe.
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There has been an explosive increase in procedures performed in surgery centers, with approximately 4,700 Medicare-certified surgery centers in the United States. Total ambulatory surgical center (ASC) payments have increased substantially: $1 billion in 1996, and $2.9 billion in 2006. In June 1998, the Healthcare Financing Administration (HCFA; CMS), proposed an ASC rule in which at least 60% of interventional procedures were eliminated from ASCs and the remaining 40% faced substantial cuts in payments. ⋯ Based on the new proposed rule, most interventional pain management procedures in ASCs will lose approximately 3% to 5% without taking into account that there have not been any increments since 2004, except for a few small increases for some procedures, along with the addition of office procedures, which can now be performed in an ASC setting. However, payments for procedures moved from the office setting to ASCs remain at the lower office rates, which face substantial cuts on their own. The proposed CMS rule will have widespread effects on physician payments, ASC payments, and particularly interventional pain management physicians.
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Clinical Trial
Transsacrococcygeal approach to ganglion impar block for management of chronic perineal pain: a prospective observational study.
The ganglion impar or ganglion of Walther is a solitary retroperitoneal structure at the level of sacrococcygeal junction. It provides the nociceptive and sympathetic supply to the perineal structures. Chronic Perineal Pain (CPP) has been effectively managed by ganglion impar block. In this study we analyze the feasibility, safety, and efficacy of ganglion impar block by transsacrococcygeal approach. ⋯ A transsacrococcygeal approach for a ganglion impar block is a technically feasible and safe technique. We recommend this technique for neurolysis or radiofrequency ablation of the ganglion impar and for diagnostic blocks, especially when the diagnosis and further plan of management is dependent on the response of the diagnostic block.