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Clinical Trials in Turkey / NCT07155109
Starting soon Not applicable

Different Intraperitoneal Pressures on Optic Nerve Sheath Diameter in Laparoscopic Surgeries

NCT07155109 · tracked via the Priya Life Science Turkey tracker
Sponsor
Diskapi Yildirim Beyazit Education and Research Hospital
Phase
Not applicable
Started
2025-08-30
Last updated
2025-09-04

Condition(s) studied

Intracranial Pressure IncreaseAbdominal PainHead Pain

Investigational drug(s) / intervention(s)

Low pressure groupNormal pressure group

Low pressure group: In laparoscopic gyneco-oncological surgeries, low pressure group will receive below 12 mmHg intraperitoneal pressure.

Normal pressure group: In laparoscopic gyneco-oncological surgeries, normal pressure group will receive 12 and abowe 12 mmHg intraperitoneal pressure.

Study summary

The aim of this study is to investigate the effects of low and normal intraperitoneal pressures on intraoperative optic nerve sheath diameter in laparoscopic gyneco-oncologic surgeries.

Eligibility

Sex
FEMALE
Min age
18 Years
Max age
65 Years
Healthy volunteers
Accepted
Inclusion Criteria: * Laparoscopic gyneco-oncological surgeries * Female patients aged 18-65 years * ASA physical status classification I-II-III patients Exclusion Criteria: * Patients with diabetic retinopathy * Patients with glaucoma * Patients with cerebrovascular disease * Pregnant women * Patients with known allergy to anaesthetic agents * Morbidly obese patients with BMI \> 40

Primary outcome measure(s)

  • Measurement of optic nerve sheath diameter (ONSD) — 30 minutes after introducing pneumoperitoneum and position change
    ONSD will be measured in the supine position by ulrasonographic measurement.After obtaining optimal contrast between the retrobulbar echogenic fat tissue and the vertical hypoechoic band, the ONSD will be measured 3 mm behind the optic disc using an electronic caliper. The final ONSD value was calculated by averaging 4 measured values: measured values of transverse and sagittal plane of both eyes.

Trial sites (1)

FacilityCityRegionStatus
Zeynep Koç Yenimahalle Ankara

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Official registry record

This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.

View NCT07155109 on ClinicalTrials.gov ↗ ← All trials in Turkey