Evaluation of the Safety of Electrical Spinal Cord Stimulation in Parkinson's Patients Presenting With Painful Camptocormia

Camptocormia is defined by abnormal flexion of the trunk, not fixed, present when standing and walking, resolves when lying down and often complicated by lower back pain. It can be observed in numerous neurological pathologies with a prevalence ranging between 5 and 19% in Parkinson's disease. The physiopathology of camptocormia associated with PD is not completely elucidated, however several mechanisms are discussed, including muscular hypertonia, abdominal muscle dystonia, proprioceptive deficit, iatrogenics linked to dopamine agonists, and focal myopathy. Although its impact is major and greater than the main symptoms of the disease, no specific treatment has been the subject of a marketing authorization request in this indication. Its management remains difficult and usually consists of: adjusting the antiparkinsonian treatment, reducing or even eliminating dopamine agonists, resorting to botulinum toxin injections and rehabilitation, sometimes with the use of a corset. However, the results observed are most often disappointing. The benefit of more invasive techniques, such as deep brain stimulation, classically proposed in advanced forms at the stage of motor complications of PD, is discussed by certain authors. Numerous studies thus suggest that bilateral stimulation of the NST could have a significant but moderate beneficial effect on postural disorders associated with PD, in particular on camptocormia. Likewise, the results of a retrospective study recently conducted …

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Stéphane Derrey, Pr  ·  02 32 88 80 42  ·  Stephane.Derrey@chu-rouen.fr

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