Neurochirurgie
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One of the main consequences of chronic pain syndrome is major impairment of the quality of sleep. Chronic pain and insomnia are independently linked to significant reductions in quality of life and psychiatric morbidity. Recent studies have suggested the efficacy of spinal cord stimulation (SCS) for the treatment of the back pain component in failed back surgery syndrome (FBSS) patients using a multicolumn lead. The main aim of this pilot study is to assess the influence and potential benefits of SCS on sleep quality in refractory FBSS patients implanted with multicolumn SCS and enrolled in the French multicentre ESTIMET study. ⋯ This is a single-centre, comparative, exploratory, pilot study. Sixteen FBSS patients enrolled in the ESTIMET study and implanted with multicolumn SCS will be monitored for 6months after implantation. Sleep parameters will be recorded by polysomnography, Psychomotor Vigilance Test and Osler tests, actigraphy, sleepiness scales, and sleep quality testing. Sleep will be evaluated before (at the inclusion visit) and after SCS implantation (at the 6-month visit). Secondary objectives will also assess the impact of SCS lead programming (mono vs. multicolumn SCS) and the influence of position-adaptive stimulation at night on sleep quality.
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Failed back surgery syndrome (FBSS) results from a cascade of medical and surgical events that lead to or leave the patient with chronic back and radicular pain. This concept is extremely difficult to understand, both for the patient and for the therapist. The difficulty is related to the connotations of failure and blame directly associated with this term. The perception of the medical situation varies enormously according to the background and medical education of the clinician who manages this type of patient. Eight health system experts (2 pain physicians, 1 orthopaedic spine surgeon, 1 neuro spine surgeon, 1 functional neurosurgeon, 1 physiatrist, 1 psychologist and one health-economic expert) were asked to define and share their specialist point of view concerning the management of postoperative back and radicular pain. Ideally, it could be proposed that the patient would derive optimal benefit from systematic confrontation of these various points of view in order to propose the best treatment option at a given point in time to achieve the best possible care pathway. ⋯ The initial pejorative connotation of FBSS suggesting failure or blame must now be replaced to direct the patient and therapists towards a temporal concept focusing on the future rather than the past. In addition to the redefinition of an optimised care pathway, a consensus based on consultation would allow redefinition and renaming of this syndrome in order to ensure a more positive approach centered on the patient.
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Persisting pain after spine surgery remains a challenge for the patient and the pain physician. The etiology depends on age, pathology and the interval between the first and the revision surgery. In young patients who underwent initially to discectomy, the etiology of failed back surgery syndrome (FBSS) is commonly a recurrence of herniation whereas in the elderly population, who has previously undergone a spinal fusion, persisting pain might be due to secondary sagittal unbalance associated, as a consequence, to adjacent disc disease or pseudarthrosis. ⋯ Dealing with FBSS patients is far from simple but it corresponds to daily practice for spine surgeons. Clinical and radiological assessments should include a full diagnostic work-up focusing on sagittal balance. Surgical treatment and re-operation might be an option if a consistent source of pain is detected.