The spine journal : official journal of the North American Spine Society
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Lumbar discectomy is one of the most common spine surgical procedures. With the exception of true emergencies (eg, cauda equina syndrome), lumbar discectomy is usually performed as an elective procedure after a prudent trial of nonoperative treatment. Although several studies have compared costs of definitive operative or nonoperative management of lumbar disc herniation, no information has been published regarding the cost of conservative care in patients who ultimately underwent surgical discectomy. ⋯ Charges for preoperative care of patients with lumbar disc herniation are substantial and are split almost evenly between diagnostic charges (outpatient visits, imaging, laboratory studies, and miscellaneous) and therapeutic charges (injections, physical therapy, chiropractic manipulation, and medications). Although a large number of patients will ultimately require surgical intervention, given that many patients will improve with nonoperative therapy, a trial of conservative management is appropriate. Additional studies to identify patients who may ultimately fail nonoperative treatment and would benefit from early discectomy would be beneficial.
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Low back pain (LBP) is a prevalent, costly, and challenging condition to manage. Clinicians must choose among numerous assessment and management options. Several recent clinical practice guidelines (CPGs) on LBP have attempted to inform these decisions by evaluating and summarizing the best available supporting evidence. The quality and consistency of recommendations from these CPGs are currently unknown. ⋯ Recommendations from several recent CPGs regarding the assessment and management of LBP were similar. Clinicians who care for patients with LBP should endeavor to adopt these recommendations to improve patient care. Future CPGs may wish to invite coauthors from targeted clinician user groups, increase patient participation, update their literature searches before publication, conduct their own quality assessment of studies, and consider cost-effectiveness and other aspects in their recommendations more explicitly.
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Comparative Study
Comparison of prognostic value of different MRI classifications of signal intensity change in cervical spondylotic myelopathy.
Signal intensity (SI) changes of the spinal cord on magnetic resonance imaging (MRI) in cervical spondylotic myelopathy (CSM) are thought to be a predictor of surgical outcome. However, the clinical significance of SI change remains controversial. Although several classifications exist for SI change, there are no previous studies comparing their prognostic significance. ⋯ A classification system of MRI signal changes that accommodates both T1WI and T2WI is more predictive of surgical outcome than those that include T2W SI changes alone. Postoperative MRI is useful to identify late onset of low T1W intensity changes in patients with poor neurological recovery.
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The Neck Disability Index (NDI), the short form-36 (SF-36) physical component summary (PCS), and pain scales for arm and neck pain are increasingly used to evaluate treatment effectiveness after cervical spine surgery. The minimum clinically important difference (MCID) is a threshold of improvement that is clinically relevant to the patient. However, the true goal is to provide the patient with a substantial clinical benefit (SCB). ⋯ Patients with an eight-point decrease in NDI, a 4.1-point increase in PCS, and a three-point decrease in arm or neck pain can detect a minimally clinically important change. Patients with a 10-point decrease in NDI, a 6.5-point increase in PCS, and a four-point decrease in arm or neck pain can detect an SCB after cervical spine fusion.
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Surgical site infection after spinal surgery is frequently seen. It occurs between 0.7% and 12% of patients, leading to higher morbidity, mortality, and health-care costs. Osteotomy procedures are known to have increased blood losses and surgical times when compared with other spinal surgeries. Both of these factors have previously been identified as significant risk factors for SSI. We performed a cohort study of this high-risk population to identify risk factors and rates of SSI after spinal osteotomy surgery and identify difference in risk between different types of osteotomies. ⋯ Vertebral column resection has a significant increased risk for SSI (11.1%) compared with other types of osteotomies (4.1%). When possible, osteotomy techniques that involve less extensive exposures and soft-tissue dissection should be chosen to minimize deep SSI risk. Obese patients should be counseled on weight loss to try minimizing superficial SSI risk.