Search results for "DWI Thermometry"

showing 3 items of 3 documents

Brain Core Temperature of Patients Before and After Orthotopic Liver Transplantation Assessed by DWI-Thermometry

2019

Purpose The brain produces heat as a result of cerebral metabolism, and the heat is removed mainly through circulation of the intracranial blood vessels and cerebrospinal fluid (CSF). The aim of this study was to assess the brain core temperature of adult patients with end stage liver disease before and after orthotopic liver transplantation (OLT) using a noninvasive temperature measurement technique based on the diffusion coefficient of the cerebrospinal fluid. Materials and Methods This retrospective study used the data collected from January, 2014 to January, 2017. The study group comprised 19 patients (16 men, 3 women, mean age 57.9 ± 7.4 years) with a MELD score 23.7 who underwent magn…

DWI Thermometry Brain Orthotopic Liver Transplantation
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Temperature Measurement by Diffusion-Weighted Imaging

2021

Diffusion-weighted imaging (DWI) thermometry is a magnetic resonance-based imaging tool that allows the noninvasive measurement of brain core temperature. Although only applicable to cerebrospinal fluid, it is thought to be potentially useful in assessing the thermal pathophysiology of the brain in both patients and healthy subjects. The objective of this article is to provide a concise but thorough review of the basic physical principles and the principal applications of DWI thermometry as a potential method to elucidate the pathophysiology of several brain diseases and neurologic syndromes.

medicine.diagnostic_testbusiness.industryTemperatureDiffusion-weighted imaging (DWI) temperature DWI thermometry MR imaging Ventricular temperaturesHealthy subjectsMagnetic resonance imagingThermometryCore temperatureMagnetic Resonance ImagingTemperature measurementMr imagingBody Temperature030218 nuclear medicine & medical imaging03 medical and health sciencesDiffusion Magnetic Resonance Imaging0302 clinical medicineNuclear magnetic resonanceImaging ToolmedicineHumansRadiology Nuclear Medicine and imagingbusiness030217 neurology & neurosurgeryDiffusion MRIMagnetic Resonance Imaging Clinics of North America
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Brain-core temperature of patients before and after orthotopic liver transplantation assessed by DWI thermometry

2018

To assess brain-core temperature of end-stage liver disease patients undergoing orthotopic liver transplantation (OLT) using a temperature measurement technique based on the apparent diffusion coefficient of the cerebrospinal fluid in the lateral ventricles. The study group was composed of 19 patients with a model for end-stage liver disease (MELD) score of 23.7 who underwent MR imaging before and after OLT. MR imaging studies were performed with a 1.5T MR scanner. Brain-core temperature (T: °C) was calculated using the following equation from the apparent diffusion coefficient (D) of the cerebrospinal fluid in the lateral ventricles: $$T = {{2256.74} \mathord{\left/ {\vphantom {{2256.74} {…

AdultMaleOrthotopic liver transplantationDWI thermometryThermometryCore temperatureBody Temperature030218 nuclear medicine & medical imagingCohort Studies03 medical and health sciencesLiver disease0302 clinical medicineCerebrospinal fluidmedicineHumansEffective diffusion coefficientRadiology Nuclear Medicine and imagingPostoperative PeriodAgedRetrospective StudiesDWI thermometry; Diffusion-weighted imaging temperature; MR imaging; Orthotopic liver transplantation; Ventricular temperaturesbusiness.industryDiffusion-weighted imaging temperatureSignificant differenceBrainMiddle Agedmedicine.diseaseMr imagingLiver TransplantationDiffusion Magnetic Resonance Imagingsurgical procedures operativeCerebral blood flowCerebrovascular CirculationPreoperative PeriodVentricular temperaturesFemaleOrthotopic liver transplantationNuclear medicinebusiness030217 neurology & neurosurgeryMR imagingJapanese Journal of Radiology
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