Clinical trials: Optic Nerve Sheath Diameter
Pre-Eclampsia
Optic Nerve Sheath Diameter for Volume Status Prediction in Severe Preeclampsia
A quick, non-invasive, bedside test to assess fluid status of patients with severe preeclampsia would be very helpful to ICU clinicians severe preeclampsia is associated with an increase in extravascular lung water (EVLW), which…
- Trial name
- NCT04367519
- Testing
- Ultrasound measurement of Optic nerve sheath diameter
- Where
- Egypt
- Volunteers
- 54 people
- Sponsor
- Zagazig University
Severe Pre-eclampsia
Ultrasonographic Diameter of Optic Nerve Sheath in Fluid Assessment in Severe Preeclamptic Patients
Changes in the optic nerve sheath diameter detected by ultrasound are considered an important manifestation of increased intracranial pressure .
- Trial name
- NCT05176652
- Testing
- ultrasound
- Where
- 3 sites in Egypt
- Volunteers
- 100 people
- Sponsor
- Sohag University
Optic Nerve Sheath Neoplasm, Intracranial Pressure Increase
Optic Nerve Sheath Diameter in Pediatric Patients
Endotracheal intubation and laryngeal mask are generally applied to secure the airway during general anesthesia. There is a widespread opinion among anesthesiologists that endotracheal intubation increases intracranial pressure.
- Conditions
- Optic Nerve Sheath Neoplasm, Intracranial Pressure Increase, Intubation Complication, Airway Complication of Anesthesia
- Trial name
- NCT05445271
- Testing
- Optic nerve sheath diameter measurement with linear ultrasound
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Kahramanmaras Sutcu Imam University
Cleft Palate
Optic Nerve Sheath Diameter Measurement in Cleft Palate Repair
The aim of this study is to evaluate the effect of the Boyle-Davis mouth opener, which is routinely used in cleft palate surgery, on intracranial pressure by USG-guided optic nerve sheath diameter measurement, which is a…
- Trial name
- NCT04718558
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people
- Sponsor
- Karadeniz Technical University
Optic Nerve Sheath Diameter, Pediatric Anesthesia
Comparison of the Effects of Endotracheal Intubation and Laryngeal Mask Applications on Optic Nerve Diameter in Pediatric Patients
This clinical study aims to investigate the effects of breathing tubes - used to connect children aged 1-11 to a respiratory device under general anesthesia in the operating room - on intracranial pressure after they are…
- Conditions
- Optic Nerve Sheath Diameter, Pediatric Anesthesia, Intubation, Laryngeal Mask Airways
- Trial name
- NCT06994481
- Testing
- optic nerve sheet diameter measurement
- Where
- Turkey (Türkiye)
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Marmara University Pendik Training and Research Hospital
Prostate Cancer
Effect of Anesthetic Method on Optic Nerve Sheath Diameter in Patients Undergoing RALP
The purpose of this study was to evaluate the effect of anesthetic method on the optic nerve sheath diameter in patients undergoing robot-assisted laparoscopic prostatectomy.
- Trial name
- NCT03529643
- Testing
- Dexmedetomidine, Without dexmedetomidine
- Where
- South Korea
- Volunteers
- 128 people
- Sponsor
- Asan Medical Center
Aortic Diseases, Cardiac Surgical Procedures
Selective Antegrade Cerebral Perfusion and Perioperative Optic Nerve Sheath Diameter in Ascending Aortic Surgery
In ascending aortic surgery the distal anastomosis may be constructed with the aortic cross-clamp maintained, or, where the extent of the aortic pathology and the geometry of the graft require it, after release of the cross-clamp…
- Conditions
- Aortic Diseases, Cardiac Surgical Procedures, Aortic Aneurysm, Thoracic, Delirium - Postoperative
- Trial name
- SACP-ONSD (NCT07800806)
- Testing
- Optic nerve sheath and optic nerve diameter ultrasonography, Transcranial Doppler ultrasonography
- Where
- Turkey (Türkiye)
- Volunteers
- 134 people
- Sponsor
- Koşuyolu Kartal Heart Training and Research Hospital
Laparoscopic Gynecologic Surgery
Effects of Sevoflurane and Propofol on Optic Nerve Sheath Diameter During Laparoscopic Gynecologic Surgery
Intracranial pressure（ICP) increases during laparoscopic gynecologic surgery increase (ICP) and may alter optic nerve sheath diameter(ONSD).This study measures ONSD in different team because sevoflurane and propofol have…
- Trial name
- NCT03498235
- Testing
- Sevoflurane, Propofol
- Where
- China
- Volunteers
- 110 people
- Sponsor
- Obstetrics & Gynecology Hospital of Fudan University
Cerebral Oxygenation, Low Flow Anesthesia
The Effect Of Low-Flow And Hıgh-Flow Anesthesıa On Intracranıal Pressure
This prospective randomized study was conducted to evaluate the effects of low-flow and high-flow anesthesia on intracranial dynamics and cerebral oxygenation in patients undergoing laparoscopic hysterectomy in the Trendelenburg…
- Conditions
- Cerebral Oxygenation, Low Flow Anesthesia, Optic Nerve Sheath Diameter Measurement
- Trial name
- NCT07514026
- Where
- Turkey (Türkiye)
- Volunteers
- 64 people
- Sponsor
- Bursa City Hospital
Preeclampsia, Spinal Anesthesia-Induced Hypotension
Dexamethasone Versus Ondansetron for Preventing Post-Spinal Hypotension in Preeclampsia
This study compares the efficacy and safety of intravenous dexamethasone versus intravenous ondansetron in preventing low blood pressure (hypotension) following spinal anesthesia in pregnant women with preeclampsia undergoing…
- Conditions
- Preeclampsia, Spinal Anesthesia-Induced Hypotension, Cesarean Section
- Trial name
- NCT07793760
- Testing
- Dexamethasone, Ondansetron
- Volunteers
- 110 people
- Sponsor
- Assiut University
Laparoscopic Cholecystectomy, Optic Nerve Sheath Diameter Measurement
Effects of Bolus Versus Infusion Ketamine During Laparoscopic Cholecystectomy
This prospective, randomized, controlled study evaluated the effects of different ketamine administration strategies in adult patients undergoing elective laparoscopic cholecystectomy under general anesthesia.
- Conditions
- Laparoscopic Cholecystectomy, Optic Nerve Sheath Diameter Measurement, Ketamine, Postoperative Pain
- Trial name
- ketamine (NCT07900854)
- Testing
- ketamine bolus, ketamin infusion, Normal Saline
- Where
- Turkey (Türkiye)
- Volunteers
- 102 people
- Sponsor
- Kartal Kosuyolu Yuksek Ihtisas Education and Research Hospital
Optic Nerve Sheath Diameter
The Application of Ultrasonic Measurement of Optic Nerve Sheath Diameter in Liposuction Surgery
The main purpose of this study is to investigate the effect of changes in Optic Nerve Sheath Diameter (ONSD) measured at different operating position during Liposuction Surgery.
- Trial name
- NCT06685952
- Where
- China
- Volunteers
- 55 people
- Sponsor
- The Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College
Traumatic Brain Injury
TCD and ONSD for Early Risk Stratification of Traumatic Brain Injury
This observational study aims to evaluate the combined use of transcranial Doppler (TCD) and optic nerve sheath diameter (ONSD) ultrasound for early risk stratification of adults with traumatic brain injury (TBI) presenting to…
- Trial name
- TCD-ONSD (NCT07820527)
- Testing
- Transcranial Doppler and Optic Nerve Sheath Diameter Assessment
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- Assiut University