Head tilt during thyroid surgery may squeeze the optic nerve

NCT ID NCT07298187

Completed Knowledge-focused Sponsor: Istanbul University - Cerrahpasa Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at how changing the head position during thyroid surgery affects the optic nerve sheath diameter, which can indicate pressure inside the skull. Researchers measured this with ultrasound in 49 patients before and after positioning. They also tracked headache severity after surgery. The goal was to see if certain head positions might raise brain pressure, which could be risky for patients.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to: If successful, this could help doctors understand how head position affects brain pressure during thyroid surgery, potentially improving patient safety.
What could go wrong: This is a small, completed observational study with only 49 participants. The findings may not apply to all patients or surgeries, and the link to clinical outcomes is uncertain.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

follicular thyroid adenoma thyroid cancer thyroid gland disorder Thyroid Neoplasms

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

THYROID ADENOMA THYROID AND PARATHYROID SURGERY THYROID CANCER

Contacts and locations

Locations

Istanbul University Cerrahpasa

Istanbul, FATİH, 34000, Turkey (Türkiye)

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