Abstract
IntroductionTraumatic spinal cord injury (tSCI) is a catastrophic event with enormous personal, social and economic impact. Despite recent progress in understanding the pathophysiology of acute tSCI and the positive effects of acute spinal cord decompression on neurological recovery reported in standardized preclinical studies, neurological benefits of early surgical decompression (SD) remain elusive in the clinical setting. Material and MethodsA prospective study was performed to evaluate the impact of SD and instrumented fusion within 8 hour versus 8–24 hour after injury on neurological recovery after cervical tSCI in patients operated on in the UMC Ljubljana, Slovenia. Only patients with the ASIA Impairment Scale (AIS) grades of A through C and with MRI-confirmed spinal cord compression were enrolled. The primary outcome was the change in AIS grade at the six-month follow-up. ResultsOf the 48 enrolled patients, 22 patients who underwent surgery within 8h (Group-8h) and 20 patients who underwent surgery between 8 and 24h (Group-8–24h) after injury concluded the study. At admission, there was no statistically significant difference in AIS grade between the study groups. At the six-month follow-up, an improvement of at least two AIS grades was found in 45.5% of patients in Group-8h and in 10% of patients in Group-8–24h (p = 0.017). In a multivariate analysis, adjusted for the preoperative AIS grade and the degree of spinal canal compromise, the odds of an at least two-grade AIS improvement were at least 106% higher for patients in Group-8h than for patients in Group-8–24h (OR = 11.08, p = 0.004). No statistically significant difference was found in the rate of pneumonia, the number of ventilator-dependent days or the mortality between the groups. ConclusionOur results suggest that the patients with tSCI who undergo SD within 8h after injury have superior neurological outcomes than patients who undergo SD 8 to 24h after injury, without any increase in the rate of adverse effects.
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