Active clinical trials for "Neuritis"

Can diffusion tensor imaging (DTI) of the optic ways contributes to predict the 6 months prognosis of Optic Neuritis (ON)?

This study aims to investigate the effects of Transcutaneous Electrical Nerve Stimulation (TENS) in reducing the symptoms of pain and numbness and improve the daily lives of cancer patients who have Chemotherapy-induced peripheral neuropathy (CIPN).

Retrobulbar optic neuritis (NORB) is the damage to the optic nerve caused by inflammation. It causes a rapidly progressive and painful visual loss, often among young subjects. Diagnosis confirmation is important to start proper treatment, because a NORB is often the first symptom of multiple sclerosis. This diagnosis, based on a set of arguments, is difficult to define by a non-expert ophthalmologist. The pupillary light reflex is a way to test the visual afferent pathways. If it is subject to a large inter-individual variability, the dynamics of the pupillary light reflex and its latency are more reproducible. An easy way to study the dynamics of the pupillary light reflex is to study the pupillary cycle time (PCT). In the case of NORB, elongation of the conduction in the visual afferent pathways related to demyelination plate increases the latency of the pupillary light reflex and decreases the frequency of the PCT. Our hypothesis is that PCT dynamics measures would be a reliable indicator and easy to evaluate some pathologies affecting the integrity of the nerve. The validation of a decrease in the frequency of the PCT in NORB, compared to the frequency observed in subjects ophthalmological or neurological disease, could help developing methods to study the conduction of the visual pathways with portable devices used during the standard ophthalmologic consultation and quickly orientate patients to specialized centers.

3D FLAIR, 3D T1 FAT SAT, coronal T2 and coronal T1 dixon sequences were usually used to assess visual deficits in MRI. Optic nerve examination is preferably performed using a coronal T2 sequence in order to detect a hypersignal suggestive of inflammation whereas brain examination is preferably performed using a 3D FLAIR sequence to highlight signs of spatial dissemination and lesions suggestive of multiple slerosis (MS). Recently, a study based on a small number of patients showed the interest of 3D FLAIR in the detection of the hypersignal of the optic nerve.The objective of this retrospective study is to determine whether a single 3D FLAIR sequence allows simultaneous exploration of the optic nerve and the brain for the positive diagnosis of optic neuropathy and/or MS.

The iDETECT (Integrated Display Enhanced Testing for Concussion and mild traumatic brain injury) system is a novel portable, open access platform that enables immediate and rapid assessment of multimodal neurologic function. This study seeks to evaluate the iDETECT function testing battery with currently used balance and inner ear assessment methods during initial concussion clinic referral. Two groups of participants will be enrolled; a concussion related dizziness cohort and control subjects. The investigators will enroll the concussion cohort from patients presenting to the Sports Concussion Institute (SCI) with persistent dizziness and imbalance symptoms following possible concussion. Healthy control participants will be recruited from the local community. iDETECT's ability to identify post concussion balance/vestibular disturbances will be compared to an expert concussion assessment. Both cohorts will participate in the iDETECT assessment and the clinical assessment.

This is a search strategy for determining the prevalence of ocular complications in inflammatory rheumatic diseases for the purposes of a meta analysis.

3D FLAIR, 3D T1 FAT SAT, coronal T2 and coronal T1 dixon sequences were usually used to assess visual deficits in MRI. Optic nerve examination is preferably performed using a coronal T2 sequence in order to detect a hypersignal suggestive of inflammation whereas brain examination is preferably performed using a 3D T1 sequence to highlight signs of spatial dissemination and lesions suggestive of multiple slerosis (MS). No study has yet investigated the detection capabilities of 3D T1 for the detection of optic nerve inflammation. The objective of this retrospective study was to determine whether a single 3D T1 sequence allows simultaneous exploration of the optic nerve and the brain for the positive diagnosis of optic neuropathy and/or MS.

Optic neuritis (ON) can remain isolated or reveal a widespread and chronic disease of the central nervous system (CNS), a multiple sclerosis (MS) or, more rarely, a Devic's neuromyelitis optica (NMO) or a systemic disease. The optical coherence tomography (OCT) is a retinal imaging technique to measure the thickness of the retina and its different layers with an accuracy of 4-6 µM. Costello et al have shown that approximately 75% of 54 MS patients have developed within 3 to 6 months after a ON a loss of 10 to 40 µM in the thickness of the peripapillary retinal nerve fiber layer (RNFL). The etiologic diagnosis of ON has been transformed in recent years. MS can now be diagnosed by McDonald's MRI criteria and NMO by the AQP4 antibodies (anti-aquaporin- 4) antibodies and the anti-MOG (myelin-oligodendrocyte glycoprotein) antibodies. The diagnosis and prognosis value of the OCT in patients with ON is not well known

Our objective is to allow positive MRI diagnosis of vestibular neuritis by highlighting contrast enhancement of the vestibular nerve on the pathological side of the FLAIR sequence acquired 1h after intravenous gadolinium injection in patients with typical vestibular neuritis. At present, the diagnosis is based on a combination clinical examination / video-head impulse test, and no imaging examination allows the diagnosis to be positive.

The investigators' hypothesis is that measuring the PCTdynamics would be an easy and reliable symptom to evaluate in pathologies affecting the optic nerve