• S Kaivola, J Martola, and A Väänänen.
• Department of Anesthesiology and Intensive Care, Päijät-Häme Central Hospital, Lahti, Finland. Electronic address: susanna.kaivola@paijatha.fi.
• Int J Obstet Anesth. 2024 Feb 1; 57: 103960103960.

AbstractWe report a rare complication of an inadvertent dural puncture in an obstetric patient. A 24-year-old healthy primipara had a difficult neuraxial labor analgesia insertion. Subsequently she developed severe back pain and started having 'electric shock'-like sensations radiating from the spine to the lower extremities, raising a suspicion of a vertebral canal hematoma. Topping up the epidural for emergency cesarean section was unsuccessful and the surgery was done under general anesthesia. Subsequent emergency magnetic resonance imaging (MRI) of the spine showed no signs of bleeding but her symptoms persisted, and a repeat MRI of the spine ultimately revealed substantial epidural fluid collection extending from the cervical level to the lower thoracic spine, with signs of intracranial hypotension in the MRI of the brain. The dorsal dura and the spinal cord were displaced anteriorly and there was a slight compression of the spinal cord. Repeated neuro-imaging led to the diagnosis of a previously unrecognized inadvertent dural puncture and extensive cerebrospinal fluid spread within the epidural space, causing a sensory phenomenon in the spine and lower extremities known as Lhermitte's sign. An epidural blood patch relieved the symptoms and restored cerebrospinal fluid surrounding the spinal cord, demonstrated at follow-up MRI. In conclusion, a repeated MRI of the spine and brain should be performed if the patient has persistent symptoms in the back or extremities, in order to detect a possible undiagnosed dural puncture complicated by the potentially serious consequences of extradural fluid leakage.Copyright © 2023 Elsevier Ltd. All rights reserved.

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