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Heartrate Variability and Intraoperative Brain Conditions in Supratentorial Tumors

2019-09-24 05:27:31 | BioPortfolio

Summary

This study aims to determine the relationship between heart rate variability and intraoperative brain relaxation conditions in patients with brain tumors.

Description

Patients undergoing brain surgery for treatment of brain tumors will be studied to determine the relationship between heart rate variability and intraoperative brain relaxation conditions.

Study Design

Conditions

Supratentorial Brain Tumors

Intervention

ANSiscope

Location

National Institute of Mental Health and Neurosciences
Bengaluru
Karnataka
India
560029

Status

Not yet recruiting

Source

DyAnsys, Inc.

Results (where available)

View Results

Links

Published on BioPortfolio: 2019-09-24T05:27:31-0400

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Study of Blood Samples and Risk of Infection in Patients With Newly Diagnosed Malignant Supratentorial Astrocytoma

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A multifocal glioneuronal tumor with RGNT-like morphology occupying the supratentorial ventricular system and infiltrating the brain parenchyma.

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Medical and Biotech [MESH] Definitions

Primary and metastatic (secondary) tumors of the brain located above the tentorium cerebelli, a fold of dura mater separating the CEREBELLUM and BRAIN STEM from the cerebral hemispheres and DIENCEPHALON (i.e., THALAMUS and HYPOTHALAMUS and related structures). In adults, primary neoplasms tend to arise in the supratentorial compartment, whereas in children they occur more frequently in the infratentorial space. Clinical manifestations vary with the location of the lesion, but SEIZURES; APHASIA; HEMIANOPSIA; hemiparesis; and sensory deficits are relatively common features. Metastatic supratentorial neoplasms are frequently multiple at the time of presentation.

A benign tumor of the nervous system that may occur sporadically or in association with VON HIPPEL-LINDAU DISEASE. It accounts for approximately 2% of intracranial tumors, arising most frequently in the cerebellar hemispheres and vermis. Histologically, the tumors are composed of multiple capillary and sinusoidal channels lined with endothelial cells and clusters of lipid-laden pseudoxanthoma cells. Usually solitary, these tumors can be multiple and may also occur in the brain stem, spinal cord, retina, and supratentorial compartment. Cerebellar hemangioblastomas usually present in the third decade with INTRACRANIAL HYPERTENSION, and ataxia. (From DeVita et al., Cancer: Principles and Practice of Oncology, 5th ed, pp2071-2)

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Neoplasms of the intracranial components of the central nervous system, including the cerebral hemispheres, basal ganglia, hypothalamus, thalamus, brain stem, and cerebellum. Brain neoplasms are subdivided into primary (originating from brain tissue) and secondary (i.e., metastatic) forms. Primary neoplasms are subdivided into benign and malignant forms. In general, brain tumors may also be classified by age of onset, histologic type, or presenting location in the brain.

A BRAIN-specific hyalectin that may play a role in terminally differentiating NEURONS. It is found highly overexpressed in primary BRAIN TUMORS and in experimental models of GLIOMA.

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