Clinical trials: Optic Nerve Sheath Diameter
Cholangiopancreatography, Endoscopic Retrograde, Intracranial Pressure
The Effect of Anesthesia Management on Optic Nerve Sheath Diameter in the Ercp Procedures
Aim: To compare the effect of procedural anesthesia management with ketofol and propofol on the sonographic optic nerve sheath diameter in the endoscopic retrograde cholangiopancreatography (ERCP) procedures.
- Conditions
- Cholangiopancreatography, Endoscopic Retrograde, Intracranial Pressure, Optic Nerve Sheath Diameter, Ketofol
- Trial name
- NCT04910087
- Testing
- Sonographic optic nerve sheath diameter measurement
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people
- Sponsor
- Ankara City Hospital Bilkent
Optic Nerve Sheath Diameter
Different Resectoscopes Effects to Optic Nerve Sheath Diameter
In this study, in patients with benign prostatic hypertrophy, monopolar and transurethral prostate using bipolar techniques in resection; serum electrolytes in the perioperative period, osmolarity can occur in hemodynamic…
- Trial name
- NCT04765397
- Testing
- Effect of different resectoscope fluids on optic nerve diameter measured by ultrasound
- Where
- Turkey (Türkiye)
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Bursa Yuksek Ihtisas Training and Research Hospital
Optic Nerve Sheath Diameter, Pneumoperitoneum
Comparison of Changes of ONSD Between Groups of Laparoscopic Surgery With and Without Epidural Saline Injection
This study targets patients undergoing laparoscopic gastric cancer surgery. The investigators would like to compare two factors that influence intracranial pressure through optic nerve sheath diameter measurement.
- Conditions
- Optic Nerve Sheath Diameter, Pneumoperitoneum, Epidural
- Trial name
- NCT04758013
- Testing
- Epidural injection through thoracic epidural catheter, Without epidural injection
- Where
- South Korea
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Keimyung University Dongsan Medical Center
Optic Nerve Sheath Diameter
Optic Nerve Sheath Diameter Difference Between Different Injection Volume
Valid method of indirect measurement of intracranial pressure is using optic nerve sheath diameter. Different volume of injection is known to affect the degree of increase of intracranial pressure.
- Trial name
- NCT04412109
- Testing
- thoracic epidural catheterization
- Where
- South Korea
- Volunteers
- 50 people
- Sponsor
- Keimyung University Dongsan Medical Center
Optic Nerve Sheath Diameter
Effect of Pressure Regulation on Optic Nerve Sheath Diameter
Intracranial pressure is known to increase during robot-assisted laparoscopic radical prostatectomy (RALRP) due to steep trendelenberg position.
- Trial name
- NCT04339244
- Testing
- RALRP under lower mean BP
- Where
- South Korea
- Volunteers
- 51 people
- Sponsor
- Keimyung University Dongsan Medical Center
Optic Nerve Sheath Diameter, Point of Care Ultrasound
Effect of Cervical Immobilization on Optic Nerve Sheath Diameter
Effect of Cervical Immobilization on Optic Nerve Sheath Diameter
- Trial name
- NCT04507620
- Testing
- cervical neck collar
- Where
- Egypt
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Tanta University
Optic Nerve Sheath Diameter
Changes in Optic Nerve Sheath Diameter in Patients Undergoing Spinal Surgery in the Prone Position
Long standing prone position could affect vision or optic nerve. To measure the optic nerve sheath diameter using ultrasound is quick and useful assessments of patients.
- Trial name
- NCT04301817
- Volunteers
- 50 people
- Sponsor
- SMG-SNU Boramae Medical Center
Optic Nerve Sheath Diameter, Ultrasonography
Effect of Cervical Collar on Intracranial Pressure
The routine use of cervical collar in emergency medical conditions has recently been questioned. The application of cervical collars, as their opponents point out, results in deterioration of intubation conditions…
- Trial name
- NCT03609879
- Testing
- Ambu Perfect ACE, Philly One-Peace Collar, Necloc Collar
- Where
- 2 sites in Poland
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Lazarski University
Fluid Responsiveness, Optic Nerve Sheath Diameter
Optic Nerve Sheath Diameter in Prediction of Fluid Responsiveness
The aim of the study to examine Optic Nerve Sheath Diameter measurement for prediction of fluid responsiveness in hemodynamically unstable patients
- Conditions
- Fluid Responsiveness, Optic Nerve Sheath Diameter, Shock
- Trial name
- NCT04092036
- Testing
- Optic Nerve Sheath Diameter (ONSD) measurement by ultrasound
- Volunteers
- 45 people
- Sponsor
- Tanta University
Intracranial Hypertension, Optic Nerve Sheath Diameter
Optic Nerve Sheath Diameter in Retrobulbar Ultrasound as a Surrogate Measure for Intracranial Pressure Before and After Non-invasive Strategies
Measurement of the diameter of the sheath of the optic nerve in patients hospitalized in intensive care, with increased intracranial pressure (> 20mmHg) as a substitute measure for diagnosis and follow-up before and after…
- Trial name
- NCT03634176
- Testing
- optical nerve sheet diameter
- Where
- Venezuela
- Volunteers
- 90 people
- Sponsor
- Hospital Dr. Miguel Pérez Carreño
Optic Nerve Sheath Diameter
Optic Nerve Sheath Diameter in Craniosynostosis
Changes of optic nerve sheath diameter after position changes
- Trial name
- ONSD (NCT03131245)
- Where
- South Korea
- Volunteers
- 30 people
- Sponsor
- Seoul National University Hospital
Elevated Intracranial Pressure, Optic Nerve Sheath Diameter
Association of the Optic Nerve Sheath Diameter With Eyeball Transverse Diameter in Robot-assisted Prostatectomy
Robot-assisted laparoscopic radical prostatectomy (RALRP) is becoming a popular procedure due to its unique advantages. Despite these advantages, pneumoperitoneum and steep trendelenburg position are associated with hemodynamic…
- Conditions
- Elevated Intracranial Pressure, Optic Nerve Sheath Diameter, ONSD /ETD Ratio
- Trial name
- NCT03691025
- Volunteers
- 60 people
- Sponsor
- Hacettepe University
Optic Nerve Sheath Diameter
Measurement of Optic Nerve Sheath Diameter
It is reported that optic nerve sheath diameter increases when higher volume of medication is injected during epidural anesthesia.
- Trial name
- NCT03362255
- Testing
- thoracic epidural catheterization
- Where
- South Korea
- Volunteers
- 40 people
- Sponsor
- Keimyung University Dongsan Medical Center
Optic Nerve Sheath Diameter, Robot Assisted Laparoscopic Radical Prostatectomy
Analysis of Change of Optic Nerve Sheath Diameter in Robot Assisted Laparoscopic Radical Prostatectomy
In the present study, The investigators evaluated whether anesthetic agents effects on Optic Nerve Sheath Diameter in patients undergoing Robot Assisted Laparoscopic Radical Prostatectomy
- Trial name
- NCT03152981
- Testing
- Desflurane, propofol, remifentanil
- Where
- South Korea
- Volunteers
- 60 people
- Sponsor
- Seoul National University Hospital
Intraocular Pressure, Optic Nerve Sheath Diameter
Intraocular Pressure Versus Optic Nerve Sheath Diameter
This study involves observing and comparing Intraocular Pressure and Optic Nerve Sheath Diameter in steep trendelenburg position. Both observations will be done in same patient over the surgical duration.
- Trial name
- NCT02697825
- Testing
- Schiotz tonometer for Intraocular Pressure
- Where
- India
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Rajiv Gandhi Cancer Institute & Research Center, India