Effect of Lithotomy Position on Optic Nerve Sheath Diameter

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Total Enrollment

52 participants

Study Classification

OBSERVATIONAL

Study Start Date

2024-06-10

Study Completion Date

2024-09-01

Brief Summary

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In this study, the effect of increased venous return and increased intra-abdominal pressure on intracranial pressure in the lithotomy position was evaluated.

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Detailed Description

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In the lithotomy position, it is possible that venous return in the lower extremities increases and intra-abdominal pressure increases due to the position. At the same time, it is possible that the intracompartmental pressure in the extremities increases because the venous structure is compressed by placing the lower extremities on supports. Considering both conditions, it is predicted that there may be an increase in the optic nerve sheath diameter due to increased intracranial pressure in patients placed in the lithotomy position. The aim of this study is to investigate the effect of the position on intracranial pressure by ultrasonographically evaluating the optic nerve sheath diameter in the lithotomy position.

Conditions

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Optic Nerve Cup Intracranial Pressure Increase

Study Design

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Observational Model Type

CASE_CONTROL

Study Time Perspective

PROSPECTIVE

Study Groups

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Patients who will undergo RIRS surgery

Patients who will undergo RIRS surgery in the lithotomy position

ultrasound

Intervention Type DEVICE

Measurement of optic nerve sheath diameter by ultrasound

Interventions

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ultrasound

Measurement of optic nerve sheath diameter by ultrasound

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Patients who give informed consent
* Patients who will undergo retrograde intrarenal surgery
* Patients who are fully oriented and cooperative
* ASA I-II patients
* Patients between the ages of 18-65

Exclusion Criteria

* Disoriented and uncooperative patients
* Patients with BMI\>30
* Patients who have had previous intracranial surgery
* Patients who have had eye surgery before
* Patients allergic to the pharmacological agents used in the study

Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes