Clinical trials: Intracranial Pressure Increase
Intracranial Pressure Increase, Abdominal Pain
Different Intraperitoneal Pressures on Optic Nerve Sheath Diameter in Laparoscopic Surgeries
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.
- Conditions
- Intracranial Pressure Increase, Abdominal Pain, Head Pain
- Trial name
- NCT07155109
- Testing
- Low pressure group, Normal pressure group
- Where
- Turkey (Türkiye)
- Volunteers
- 99 people, healthy volunteers welcome
- Sponsor
- Diskapi Yildirim Beyazit Education and Research Hospital
Intracranial Pressure Increase, Abdominal Compartment Syndrome
Vasopressin in Intraabdominal Pressure Elevation
The aim of this study is to investigate any direct correlation between increased intrathoracic pressure, intraabdominal pressure and intracranial pressure, following a controlled elevation in intraabdominal pressure and…
- Trial name
- NCT03707054
- Testing
- Study Arm
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- The Cleveland Clinic
Optic Nerve Diameter, Intracranial Pressure Increase
Effect of Optıc Nerve Dıameter ın Tymphanoplasty Surgery Performed ın Lateral Head Posıtıon
Studies exist to determine the effect of laparoscopic surgical procedures on increased intra-abdominal pressure; these studies include optic nerve sheath diameter (ONSD) measurement in various positions such as trendelenburg and…
- Trial name
- ONSD (NCT07407972)
- Testing
- optic nerve diameter
- Where
- Turkey (Türkiye)
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Bursa Yuksek Ihtisas Training and Research Hospital
Intracranial Pressure Increase
Non-Invasive and Non-Contact Intracranial Pressure Waveform Recording Using Dynamic Video Ophthalmoscopy
This study will test the use of video ophthalmoscope to provide information about intracranial pressure without the use of invasive methods, anesthesia or contact with the eye.
- Trial name
- ICP Waveform (NCT04046523)
- Testing
- Video ophthalmoscope
- Where
- United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
Idiopathic Intracranial Hypertension, Intracranial Pressure Increase
Prospective Ocular Imaging for Intracranial Pressure Evaluation
This is a prospectively recruiting, database development study collecting images and videos of the spontaneous venous pulsation at the back of people's eyes - this is a pulse one can see on examination of the back of the eye…
- Conditions
- Idiopathic Intracranial Hypertension, Intracranial Pressure Increase, Spontaneous Venous Pulsations
- Trial name
- POICCP (NCT06855342)
- Where
- United Kingdom
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- King's College Hospital NHS Trust
Optic Nerve Cup, Intracranial Pressure Increase
Effect of Lithotomy Position on Optic Nerve Sheath Diameter
In this study, the effect of increased venous return and increased intra-abdominal pressure on intracranial pressure in the lithotomy position was evaluated.
- Trial name
- NCT06464419
- Testing
- ultrasound
- Where
- Turkey (Türkiye)
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Başakşehir Çam & Sakura City 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 Increase, Seizures
Study on Optic Nerve Sheath Diameter Measurements in Prolonged Pediatric Seizures
A total of 88 postictal children with generalized or focal seizures were included in the study. The ONSD and ONSD/ETD ratio was measured independently by a pediatric neurologist and pediatric emergency expert, three times in both…
- Conditions
- Intracranial Pressure Increase, Seizures, Children, Only
- Trial name
- ONSD (NCT06451289)
- Testing
- Head computered tomography
- Where
- Turkey (Türkiye)
- Volunteers
- 197 people, healthy volunteers welcome
- Sponsor
- Balikesir University
Intracranial Pressure Increase
SVP Detection Using Machine Learning
This diagnostic study will use 410 retrospectively captured fundal videos to develop ML systems that detect SVPs and quantify ICP.
- Trial name
- SVP-ML (NCT05731765)
- Testing
- Machine Learning Model
- Where
- United Kingdom
- Volunteers
- 210 people, healthy volunteers welcome
- Sponsor
- King's College London
Intracranial Pressure Increase, Supraglottic Airway Device
Effect of Different Supralottic Airway Devicess on Optic Nerve Sheath Diameter
Direct laryngoscopy and tracheal intubation are associated with increases in intraocular pressure (IOP), intracranial pressure (ICP), heart rate (HR), and blood pressure.
- Conditions
- Intracranial Pressure Increase, Supraglottic Airway Device, Optic Nerve Sheath Diameter
- Trial name
- NCT05499754
- Testing
- pLMA: PROSEAL LARYNGEAL MASK, sLMA : SUPREMA LARYNGEAL MASK, I-jel =I-GEL
- Where
- Turkey (Türkiye)
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Zonguldak Bulent Ecevit 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
Intracranial Pressure Increase
Ocular Screening in Children and Young Adults at Risk for Increased Intracranial Pressure
The purpose of this study is to evaluate the vision and posterior segment of eyes in children and young adults less than 22 years of age with risk, suspicion, or past medical history significant for elevated intracranial pressure…
- Trial name
- ICP (NCT03286426)
- Testing
- Pictor
- Where
- United States
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- Duke University
Intracranial Pressure Increase
Effect of Tourniquet Application on Optic Nerve Sheath Diameter
The aim of the study to investigate the effect of tourniquet application on optic nerve sheath diameter (ONSD) and cerebral oxygenation during lower extremity surgery.
- Trial name
- NCT04758091
- Where
- Turkey (Türkiye)
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- Zonguldak Bulent Ecevit University
Intracranial Pressure Increase
Comparison of ONSD and rSO2 Measurements Between General and Spinal Anesthesia in C-Section
General anesthesia and regional anesthesia can be chosen in cesarean operations. Endotracheal intubation and mechanical ventilation are components of general anesthesia.
- Trial name
- NCT04446013
- Testing
- Optic Nerve Sheath Diameter Measurement
- Where
- Turkey (Türkiye)
- Volunteers
- 81 people, healthy volunteers welcome
- Sponsor
- Bagcilar Training and Research Hospital
Intracranial Pressure Increase, Pneumoperitoneum
The Effect of Pneumoperitoneum Timing on Intracranial Pressure in Laparoscopy
Reverse Trendelenburg position has been shown to slightly reduce the intracranial pressure associated with pneumoperitoneum. However, there are no studies on the effect of the timing of reverse Trendelenburg position on…
- Trial name
- NCT04224532
- Testing
- Pneumoperitoneum Timing (Before Positioning), Pneumoperitoneum Timing (After Positioning)
- Where
- Turkey (Türkiye)
- Volunteers
- 79 people, healthy volunteers welcome
- Sponsor
- Bagcilar Training and Research Hospital
Increase in Intra-abdominal Pressure, Increase in Intracranial Pressure (ICP)
Changes in Cerebral Oxygenation Studies During Laparoscopy Procedure
The motivation results from the fact, that an intra-abdominal pressure is correlated with cerebral perfusion, in a mechanism of reducing venous outflow.
- Conditions
- Increase in Intra-abdominal Pressure, Increase in Intracranial Pressure (ICP), Laparoscopy, Cerebral Perfusion and Oxygenation
- Trial name
- NCT03640741
- Testing
- Laparoscopy
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Nalecz Institute of Biocybernetics and Biomedical Engineering, Polish Academy of Sciences
Intracranial Pressure Increase
Effect of Acetazolamide on Optic Nerve Sheath Diameter in Laparoscopic Donor Nephrectomies
The purpose of the trial is to study the effect of acetazolamide administered via Ryle's tube on optic nerve sheath diameter in laparoscopic live donor nephrectomy patients.
- Trial name
- NCT03005665
- Testing
- Acetazolamide, Normal Saline
- Where
- India
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Post Graduate Institute of Medical Education and Research, Chandigarh