Optic Nerve Sheath Diameter for Predicting Post-Dural Puncture Headache in Cesarean Section Patients

Overview

Some patients develop headache after spinal anesthesia used during cesarean section. This condition is called post-dural puncture headache (PDPH). Early identification of patients at risk may improve patient care. This study evaluates whether optic nerve sheath diameter (ONSD), measured using a non-invasive bedside ocular ultrasound technique, can help predict the development of PDPH. Participants undergoing cesarean section with spinal anesthesia will undergo ONSD measurements at predefined perioperative time points. Participants will be followed postoperatively for the occurrence of headache. The findings may help improve early recognition and management of PDPH.

Post-dural puncture headache (PDPH) is a common complication after spinal anesthesia, particularly in patients undergoing cesarean section. It is thought to occur due to cerebrospinal fluid leakage and decreased intracranial pressure. Optic nerve sheath diameter (ONSD) measured by ocular ultrasound reflects changes in intracranial pressure and may help identify patients at risk for PDPH. This prospective observational study aims to evaluate the predictive value of serial ONSD measurements for the development of PDPH in patients undergoing cesarean section under spinal anesthesia. Non-invasive bedside ultrasound measurements of ONSD will be performed at predefined perioperative time points. Participants will be followed postoperatively to assess the occurrence of headache. The results of this study may help improve early identification of patients at risk for PDPH and enhance postoperative management.

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