OPTIC NERVE SHEATH DIAMETER
Clinical trials for OPTIC NERVE SHEATH DIAMETER explained in plain language.
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Own blood used to patch spinal leak, ease debilitating headaches
Symptom relief CompletedThis study tested whether an injection made from a patient's own processed blood could effectively treat severe headaches that sometimes occur after spinal anesthesia or epidurals. The injection was delivered to the spine using a special catheter, and doctors used an eye ultrasou…
Matched conditions: OPTIC NERVE SHEATH DIAMETER
Phase: NA • Sponsor: Tanta University • Aim: Symptom relief
Last updated Mar 25, 2026 14:08 UTC
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Doctors test how anesthesia flow affects Patients' eyes during surgery
Knowledge-focused CompletedThis study looked at whether using different amounts of anesthetic gas during open gynecological surgery affects pressure around the optic nerve in the eye. Researchers compared high-flow and low-flow anesthesia in 80 patients and used ultrasound to measure the nerve sheath diame…
Matched conditions: OPTIC NERVE SHEATH DIAMETER
Phase: NA • Sponsor: Bursa Yuksek Ihtisas Training and Research Hospital • Aim: Knowledge-focused
Last updated Apr 01, 2026 21:41 UTC
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Doctors test eye scan as window to the brain during risky heart operations
Knowledge-focused CompletedThis study tested if a simple, non-invasive eye ultrasound could be used to monitor brain pressure in patients undergoing open-heart surgery. Researchers measured the width of the optic nerve sheath in the eye at different times during the procedure to see if it reliably indicate…
Matched conditions: OPTIC NERVE SHEATH DIAMETER
Sponsor: Medipol University • Aim: Knowledge-focused
Last updated Apr 01, 2026 14:42 UTC
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Doctors probe link between breathing machine settings and brain pressure in spine surgery
Knowledge-focused CompletedThis study aimed to understand how different pressure settings on a breathing machine (ventilator) affect a simple eye ultrasound measurement, which can indicate brain pressure. Researchers observed 105 adults having elective spine surgery to see if using two common pressure leve…
Matched conditions: OPTIC NERVE SHEATH DIAMETER
Sponsor: Izmir City Hospital • Aim: Knowledge-focused
Last updated Mar 30, 2026 14:31 UTC
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Doctors measure brain pressure to see which anesthetic is safer
Knowledge-focused CompletedThis study looked at how two common anesthesia drugs, propofol and desflurane, affect pressure around the brain during keyhole gallbladder surgery. Researchers measured the optic nerve sheath, which can indicate brain pressure changes, in 146 healthy adults. The goal was to gathe…
Matched conditions: OPTIC NERVE SHEATH DIAMETER
Phase: PHASE4 • Sponsor: All India Institute of Medical Sciences • Aim: Knowledge-focused
Last updated Mar 27, 2026 12:38 UTC
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Doctors use eye scan to watch brain pressure during surgery
Knowledge-focused CompletedThis study tested whether a simple eye ultrasound could safely monitor brain pressure changes during laparoscopic (keyhole) surgery. Researchers measured the optic nerve sheath diameter in 55 adult patients undergoing this common procedure. The goal was to understand if this non-…
Matched conditions: OPTIC NERVE SHEATH DIAMETER
Phase: NA • Sponsor: Kocaeli University • Aim: Knowledge-focused
Last updated Mar 17, 2026 13:10 UTC
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Doctors use eye ultrasound to monitor brain pressure during fat removal surgery
Knowledge-focused CompletedThis study looked at how brain pressure changes during liposuction surgery by measuring the thickness of the eye nerve sheath. Researchers used ultrasound to measure 55 patients' eye nerves while they were lying face down and face up during surgery. The goal was to understand how…
Matched conditions: OPTIC NERVE SHEATH DIAMETER
Sponsor: The Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College • Aim: Knowledge-focused
Last updated Mar 17, 2026 12:55 UTC