Found 8 clinical trials
Optic Nerve Sheath Diameter Difference Between Different Injection Volume
Valid method of indirect measurement of intracranial pressure is using optic nerve sheath diameter. Different volume of injection is known to affect the degree of increase of intracranial pressure. This study is desinged to measure the changes of optic nerve sheath diameter and cerebral oxygenation when different volume of normal …
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- 05 Aug, 2020
Effect of Intravenous Methylprednisolone and Intravenous Erythropoietin in Toxic Optic Neuropathies: Randomized Clinical Trial.
The goal of this double-blind prospective randomized clinical trial is to determine if the effect of intravenous erythropoietin is superior to the effect of intravenous methylprednisolone in cases of toxic optic neuropathy 4 weeks after therapeutic intervention. The main question it aims to answer: • Is there a difference in …
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- 28 Feb, 2023
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Pediatric Caudal Injection Volume on Optic Nerve Sheath Diameter and Cerebral Oxygenation
Caudal anesthesia is a commonly used neuraxial anesthesia method for children. Injection of a certain volume of fluid into the epidural space for cauda anesthesia may push some cerebrospinal fluid towards the head, which may lead to mild increase of pressures inside the head. Such mild changes are compensated well …
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- 05 Aug, 2020
Description of Ophthalmologic Injuries in Intensive Care During the SARS-CoV2 Epidemic - COVID19
The object of the research is to assess the presence and the importance of surface ophthalmologic lesions, the presence and the importance of retinal or optic nerve lesions, in order to improve the monitoring and primary prevention of this population
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- 01 Feb, 2023
- 1 location
Comparative Motility of Alloplastic Orbital Implants
This study will evaluate the effect of posterior placement of orbital implants on their motility compared to intrascleral placement after evisceration .
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- 05 Aug, 2020
Epidemiologic and Clinical Characteristics of Optic Neuritis in China
This will be a hospital-based retrospective multi-center study on epidemiologic and clinical characteristics of optic neuritis among Chinese. The investigation will cover about 29 provinces or municipalities all around China.
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- 16 Feb, 2024
- 1 location
Glaucoma Visual Field Loss and Their Association With Life Space in Older Adults
Primary open-angle glaucoma (POAG) is a chronic, progressive optic neuropathy that can lead to gradual loss of vision in the peripheral field and central vision. Older adults with POAG have an increased risk for motor vehicle collisions and falls.
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- 16 Feb, 2024
- 1 location
A Study of Cognitive Changes in Patients Receiving Brain Radiation
Cranial radiation therapy (RT), commonly used to treat benign and malignant brain tumors, can lead to cognitive impairments in domains not related to neuroanatomic structures directly impacted by the tumor. The study will prospectively enroll 58 patients with benign and low-grade brain tumors who will undergo partial brain RT, with …
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- 16 Feb, 2024
- 1 location