Optic Nerve Sheath Diameter in Postspinal Headache

Konya City Hospital40 enrolled

Overview

This study aims to investigate the relationship between spinal needle size and optic nerve sheath diameter (ONSD) in patients who develop post-dural puncture headache (PDPH) after spinal anesthesia. ONSD is measured using ultrasound, which helps estimate changes in brain pressure. The study also examines whether the severity of headache is related to ONSD. Adult patients aged 18 to 75 years who develop PDPH will be included. This research will be conducted at Konya City Hospital and is expected to last for approximately six months.

This prospective observational study investigates the relationship between spinal needle gauge and optic nerve sheath diameter (ONSD) in patients who develop post-dural puncture headache (PDPH) following spinal anesthesia. ONSD is measured using ultrasound as a non-invasive marker of intracranial pressure. The study also aims to evaluate the association between headache severity, assessed by the Visual Analog Scale (VAS), and ONSD values. Patients aged 18-75 years with PDPH will be included, and data on spinal needle gauge, ONSD, and VAS scores will be analyzed. The study is being conducted at a single tertiary care center and aims to contribute to understanding the physiopathology of PDPH and its relation to procedural factors.

Study Type

OBSERVATIONAL

Enrollment

Conditions

Post-Dural Puncture Headache

Eligibility

Sex: ALLMin age: 18 YearsMax age: 75 Years

Medical Language ↔ Plain English

Inclusion Criteria: * Patients diagnosed with postdural puncture headache (PDPH) * Male and female patients aged 18-75 years * Patients classified as American Society of Anesthesiologists (ASA) physical status I-III Exclusion Criteria: * Presence of neurological or ophthalmological disorders * History of head trauma within the past 6 months * Hypertension * Hepatic encephalopathy * Renal failure * Pregnancy * History of chronic headache or migraine * Refusal to participate * Inability to obtain reliable optic nerve sheath diameter (ONSD) measurements * Communication difficulties preventing assessment * Incomplete or inaccessible medical records

Locations (1)

Konya City Hospital

Meram, Konya, Turkey (Türkiye)

Outcomes

Primary Outcomes

Optic nerve sheath diameter (ONSD)

The primary outcome is the measurement of optic nerve sheath diameter (ONSD) via ocular ultrasound in patients who develop postoperative headache attributed to dural puncture. This non-invasive assessment is used to estimate intracranial pressure. The aim is to evaluate whether different spinal needle gauges affect ONSD measurements.

Time frame: Within 4 hours of anesthesia consultation for postoperative headache

Secondary Outcomes

Pain severity assessed by Visual Analog Scale (VAS)

Pain severity will be scored using the Visual Analog Scale (VAS), ranging from 0 (no pain) to 10 (worst imaginable pain), during the anesthesia consultation conducted for postoperative headache. This measure will be compared with ONSD values.

Time frame: Within 4 hours of anesthesia consultation for postoperative headache

Data from ClinicalTrials.gov

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