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Found 113 clinical trials
Effect of Contrast Medium on Optic Nerve Sheath Diameter

One method of indirect measurement of intracranial pressure is using optic nerve sheath diameter. There is no study whether equal volume of contrast medium injection has any increasing effect of

  • 0 views
  • 09 Apr, 2021
  • 1 location
Comparison of Optic Nerve Sheath Diameter in Children Receiving Caudal Block According to Anesthetic Agents: Total Intravenous Anesthesia vs. Volatile Anesthesia

propofol can reduce the magnitude of ICP increase following caudal block when compared with a volatile anesthetic, sevoflurane. There is increasing evidence that optic nerve sheath diameter (ONSD) measured

  • 0 views
  • 22 Aug, 2021
Evaluation of Intracranial Pressure During Mechanical Ventilation Recruitment Maneuver

In this study, the effect of the recruitment maneuver on intracranial pressure will be examined by measuring the optic nerve diameter with ultrasound before and after the recruitment maneuver

  • 0 views
  • 29 Nov, 2021
  • 1 location
The Effect of Dronabinol on Ocular Hemodynamics in Patients With Primary Open Angle Glaucoma

single administration of dronabinol leads to a significant increase in optic nerve head (ONH) blood flow without impairing its autoregulatory capacity.The aim of the present study therefore is to

  • 0 views
  • 12 Sep, 2021
  • 1 location
Ultrasound Exam With Doppler for the Etiological Diagnosis of Orbital Masses (PUCE)

Orbital masses develop at the expense of the orbital structures lacrimal glands, oculomotor muscles, optic nerve, meningeal spaces, peripheral nerves, bone wall, orbital fat, lymphoid structures

  • 0 views
  • 27 Jan, 2021
  • 1 location
Alterations of Attention in POTS Depending on Body Position and Hydration

diameter of the optic nerve and Neuropsychological testing (Test of Attentional Performance, mobility version" (TAP-M), Go/NoGo Test, Divided Attention Test)

optic nerve
nausea
fatigue
cognitive impairment
dysautonomia
  • 22 views
  • 01 May, 2021
  • 1 location
Assessment of Clemastine Fumarate as a Remyelinating Agent in Acute Optic Neuritis (ReCOVER)

The main purpose of this study is to assess clemastine as a remyelinating agent in patients with acute optic neuritis.The study will also evaluate the tolerability of clemastine, originally approved as first-generation antihistamine, in patients with optic neuritis. Study procedures will include assessments for evidence of remyelination in the anterior …

antihistamine
  • 27 views
  • 14 Nov, 2021
  • 1 location
Adjuvant Treatment in Extensive Unilateral Retinoblastoma Primary Enucleated (RB SFCE 2009)

Postoperative Treatment of Unilateral Retinoblastoma After Primary Enucleation according to histopathological risk factors of the International Retinoblastoma Staging Working Group.

vincristine
cyclophosphamide
stem cell transplantation
carboplatin
thiotepa
  • 37 views
  • 24 Jan, 2021
  • 28 locations
Developing and Testing a Low Cost Opportunistic Glaucoma Screening Model During Diabetic Retinopathy Screening by Non-physician Graders in Vietnam

This study aims to develop a training course for screening glaucoma using fundus images obtained during diabetic retinopathy screening by non-physician graders. The study also aims to test this training course among non-physician graders in Vietnam

Accepts healthy volunteers
  • 0 views
  • 18 Dec, 2021
  • 1 location
Protocol for the Study and Treatment of Participants With Intraocular Retinoblastoma

The primary objective of this protocol is to evaluate the response rate of bilateral disease participants who have at least one eye with advanced intra-ocular retinoblastoma (stratum B) using upfront therapy with chemotherapy delivered directly to the eye. The main biology objective is to improve our understanding of the biology …

neutrophil count
vincristine
nervous
mesna
cyclophosphamide
  • 43 views
  • 22 Jan, 2022
  • 1 location