Clinical trials: Optic Nerve Sheath Diameter
Traumatic Brain Injury
Diagnostic Accuracy of Bedside Optic Nerve Sheath Diameter Ultrasonography for Detecting Raised Intracranial Pressure Compared With Brain CT Findings in Children With Traumatic Brain Injury
Traumatic brain injury (TBI) is a major cause of morbidity and mortality among children globally, with an estimated incidence ranging from 47 to 280 cases per 100,000 children (1).
- Trial name
- NCT07780279
- Volunteers
- 100 people
- Sponsor
- Assiut University
Delirium, Postoperative, Cardiac Disease
Optic Nerve Sheath Diameter is Associated With Postoperative Delirium in Patients Undergoing Open Heart Surgery
Although the incidence of delirium after cardiac surgery is high, it is not sufficiently recognized. The long-term effects of delirium are likely to be underestimated.
- Conditions
- Delirium, Postoperative, Cardiac Disease, Cardiac Valve Disease
- Trial name
- NCT05942183
- Testing
- ONSD
- Where
- Turkey (Türkiye)
- Volunteers
- 90 people
- Sponsor
- Samsun University
Endotracheal Intubation During Surgery, Optic Nerve Sheath Diameter
Oropharyngeal Vs Intravenous Lidocaine Effects on Optic Nerve Sheath Diameter After Intubation
This study aims to evaluate the effects of pre-intubation oropharyngeal topical lidocaine on optic nerve sheath diameter (ONSD) post-endotracheal intubation.
- Trial name
- NCT06874179
- Testing
- Optic nerve sheath diameter measurement 0, optic nerve sheath diameter measurement 1, optic nerve sheath diameter measurement 2
- Where
- Turkey (Türkiye)
- Volunteers
- 190 people
- Sponsor
- Ankara City Hospital Bilkent
Cardiac Arrest
Prognostic Value With Combined ONSD and NIRS Measurements for Predicting Neurological Outcome After Cardiac Arrest
Cardiac arrest (CA) is a worldwide health problem and is associated with high mortality and morbidity rates. After CA, most patients are exposed to cerebral injury due to anoxic perfusion, resulting in severe neurological…
- Trial name
- NCT05552794
- Testing
- Optic nerve Sheath Diameter (ONSD)
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people
- Sponsor
- Nevsehir Public Hospital
Cerebral Aneurysm Unruptured, Intracranial Pressure
Remifentanil vs Esmolol During Intubation for Cerebral Aneurysm Coil Embolization
Endotracheal intubation may cause significant increases in blood pressure, heart rate, and intracranial pressure, particularly in patients undergoing cerebral aneurysm coil embolization.
- Trial name
- NCT07660861
- Testing
- Remifentanil, Esmolol
- Where
- Turkey (Türkiye)
- Volunteers
- 84 people
- Sponsor
- Fatih Sultan Mehmet Training and Research Hospital
Procedural Sedation
Effects of Sedation Agents on Optic Nerve Sheath Diameter
This prospective observational study aims to evaluate the acute effects of ketamine and propofol sedation on optic nerve sheath diameter (ONSD) in adult patients undergoing procedural sedation in the emergency department.
- Trial name
- NCT07882524
- Where
- Turkey (Türkiye)
- Volunteers
- 73 people
- Sponsor
- Alanya Alaaddin Keykubat University
Pre-Eclampsia
Optic Nerve Sheath Measurement and Angiogenic Factors in Patients With Pre-eclampsia.
Hypertensive disorders of pregnancy (HPT) are an important cause of maternal-feto-neonatal morbidity and mortality, being one of the three leading causes of maternal death in our country and in developing countries.
- Trial name
- NCT06122220
- Testing
- ONSD+AF
- Where
- Panama
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Saint Thomas Hospital, Panama
Urological Manifestations, Anesthesia
Optic Nerve Sheath Diameter in Urologic Surgery
The investigators aimed to determine intracranial pressure changes during spinal and general anesthesia by using optic nerve sheath diameter and near infrared spectrometer in urologic surgery patients in lithotomy position.
- Trial name
- NCT05846555
- Testing
- urologic surgery
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 46 people
- Sponsor
- Gaziosmanpasa Research and Education Hospital
Preeclampsia, Intracranial Pressure Increase
Assessment of Optic Nerve Sheath Diameter in Preeclamptic Pregnant Women Using Ultrasonography and Anesthetic Management
Preeclampsia is a serious condition associated with complications such as pulmonary edema, placental abruption, hemolysis, thrombocytopenia, and cardiac, renal, and neurological complications, occurring at a rate of 2.7-8% in…
- Conditions
- Preeclampsia, Intracranial Pressure Increase, Pregnancy; Anesthesia, Adverse Effect, Central Nervous System
- Trial name
- NCT06522295
- Testing
- ultrasonography
- Where
- Turkey (Türkiye)
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Kocaeli University
Intracranial Pressure Change, Tracheostomy
The Effect of Percutaneous Dilatational Tracheostomy on Intracranial Pressure
Percutaneous dilatational tracheostomy (PDT) is a common bedside alternative to surgical tracheostomy in intensive care unit patients.
- Trial name
- NCT06779877
- Testing
- Percutaneous dilatational tracheostomy, The optic nerve sheath diameter measurement method by ultrasonography
- Where
- Turkey (Türkiye)
- Volunteers
- 35 people
- Sponsor
- Akdeniz University
Menstrual Cycle, Optic Nerve Sheath Diameter
Effects of Menstrual Cycle on Optic Nerve Sheath Diameter in Patients Undergoing Laparoscopic Gynecologic Surgery
This observational study aims to evaluate the effect of menstrual cycle phase on optic nerve sheath diameter (ONSD) in women undergoing elective laparoscopic gynecologic surgery.
- Conditions
- Menstrual Cycle, Optic Nerve Sheath Diameter, Postoperative Nausea and Vomiting
- Trial name
- NCT07539831
- Where
- Turkey (Türkiye)
- Volunteers
- 110 people
- Sponsor
- Konya City Hospital
Intracranial Pressure
The Effect of Pneumoperitoneum on Intracranial Pressure in Pediatric Laparoscopic Surgery: Ultrasonographic Measurement of Optic Nerve Sheath Diameter
The pneumoperitoneum during laparoscopic surgery in pediatrics has the potential to cause an increase of intracranial pressure (ICP).
- Trial name
- NCT01840267
- Testing
- ultrasonographic measurement of optic nerve sheath diameter
- Where
- South Korea
- Volunteers
- 25 people
- Sponsor
- Yonsei University
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
Ultrasonography
Ultrasonography of Optic Nerve Sheath Diameter for Noninvasive Detection of Raised Intracranial Pressure: ORIENT Study
This study aims to adopt a multi-center large sample size study to define (1) the normal range of Chinese ONSD; (2) ONSD diagnosis for patients with high intracranial pressure; (3) to analyze the correlation between ONSD and…
- Trial name
- NCT04981548
- Testing
- no intervention
- Where
- China
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- The First Hospital of Jilin University
Intracranial Hypertension, Brain Edema
Optical Nerve Sheath Changes During Head Down Laparoscopy
Patient undergoing laparoscopic radical prostatectomy in steep trendelenburg position are at risk to develop complication from brain edema.
- Conditions
- Intracranial Hypertension, Brain Edema, Pneumoperitoneum, Surgery, Laparoscopic
- Trial name
- NCT03957837
- Testing
- Optical nerve sheath diameter ultrasound measurement
- Where
- Italy
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- ASST Fatebenefratelli Sacco
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
Coma
Optic Nerve Sheath Diameter as a Screening Test for Increased Intracranial Pressure
Patients admitted to the ICU may have delayed awakening after their critical illness has resolved. Though most either are due to metabolic causes or delayed elimination of sedative medications, more serious pathologies such as…
- Trial name
- NCT02338284
- Testing
- ultrasound of globe
- Where
- Saudi Arabia
- Volunteers
- 100 people
- Sponsor
- King Faisal Specialist Hospital & Research Center
Intracranial Hypertension
Comparison of the Effects of Deep and Moderate Neuromuscular Blockade on Optic Nerve Sheath Diameter
Increased intracranial pressure (IICP) is a common problem in traumatic brain injuries and many medical diseases. Early recognition of IICP can save lives.
- Trial name
- MBLONDE (NCT04211064)
- Testing
- Ultrasonographic measurement of optic nerve sheath diameter, Deep neuromuscular block, Moderate neuromuscular block
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Bezmialem Vakif University
Intracranial Pressure Increase
Evaluation of the Effect of Trendelenburg Position Duration on Intracranial Pressure
The Lloyd Davies position is a position used in laparoscopic hysterectomies where the head is lowered 45 degrees and the legs are bent from the knee area.It is a version of the Trendelenburg position.
- Trial name
- NCT06048900
- Testing
- ultrasound guided optic nerve sheath diameter measurement
- Where
- Turkey (Türkiye)
- Volunteers
- 25 people
- Sponsor
- Dilek Cetinkaya
Postoperative Cognitive Dysfunction
Optic Nerve Sheath Diameter and Cognitive Outcomes in Bentall Surgery
Bentall surgery is a major cardiac procedure involving replacement of the ascending aorta, aortic root, and aortic valve, typically requiring cardiopulmonary bypass (CPB) and sometimes deep hypothermic circulatory arrest (DHCA).
- Trial name
- ONCOB (NCT07452367)
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people
- Sponsor
- Bursa Yuksek Ihtisas Training and Research Hospital