• Rosa Maria Gerardi, Giuseppe Roberto Giammalva, Luigi Basile, Carlo Gulì, Maria Angela Pino, Domenico Messina, Giuseppe Emmanuele Umana, Francesca Graziano, Rina di Bonaventura, Carmelo Lucio Sturiale, Massimiliano Visocchi, Domenico Gerardo Iacopino, and Rosario Maugeri.
• Neurosurgical Clinic, AOUP "Paolo Giaccone", Post Graduate Residency Program in Neurologic Surgery, Department of Biomedicine Neurosciences and Advanced Diagnostics, School of Medicine, University of Palermo, Palermo, Italy.
• World Neurosurg. 2022 Aug 1; 164: 243-250.

AbstractThe ischemia/reperfusion mechanism is believed to be responsible for parenchymal damage caused by temporary hypoperfusion and worsened by the subsequent attempt of reperfusion. This represents a true challenge for physicians of several fields, including neurosurgeons. A limited number of papers have shed the light on a rare pathologic condition that affects patients experiencing an unexplained neurologic deficit after spine surgery, the so-called "white cord syndrome." This entity is believed to be caused by an "ischemia/reperfusion" injury on the spinal cord, documented by a postoperative intramedullary hyperintensity on T2-weighted magnetic resonance imaging sequences. To date, the cases of white cord syndrome reported in literature mostly refer to cervical spine surgery. However, the analysis of several reviews focusing on spine surgery outcome suggests postoperative neurologic deficits of new onset could be charged to a mechanism of ischemia/reperfusion, even if the physiopathology of this event is seldom explored or at least discussed. The same neuroradiologic finding can suggest mechanical damage due to inappropriate surgical manipulation. On this purpose, we performed a systematic review of the literature with the aim to identify and analyze all the factors potentially contributing to ischemic/reperfusion damage of the spinal cord that may potentially complicate any spinal surgery, without distinction between cervical or thoracic segments. Finally, we believe that postoperative neurologic deficit after spinal surgery constituting the "white cord syndrome" could be under-reported; both neurosurgeons and patients should be fully aware of this rare but potentially devasting complication burdening cervical and thoracic spine surgery.Copyright © 2022 Elsevier Inc. All rights reserved.

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