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Esophageal Temperature Management in Patients Suffering from Traumatic Brain Injury.

ABSTRACT: Traumatic brain injury (TBI) is a leading cause of death in the United States, and represents 2.5 million Emergency Department attendances, admissions into hospital, and deaths. A range of temperature modulating devices have been used to proactively cool TBI patients; however, there are currently no uniform targeted temperature management (TTM) guidelines in this patient population. Esophageal temperature management (ETM) is a relatively new TTM modality and the purpose of this study is to determine whether ETM is effective in controlling core temperature in TBI cases. This prospective interventional trial was a single-site study that enrolled 12 patients who received a TTM protocol using ETM. Eleven out of 12 patients reached target temperature during the first 10 hours of treatment. A total of 480 temperature measurements were recorded; 85% of the total measurements were within ±1°C of target temperature (408 measurements) and 75% were within ±0.5°C of target temperature (360 measurements). The average time to target was 5.83?±?5.01 hours (range 1-20), with an average cooling rate of 0.58°C/h (range 0.15-1.5°C/h). This prospective interventional trial supports that ETM is a feasible TTM modality for severe TBI cases. The esophageal heat transfer device used in this study demonstrated comparable or superior performance to other commercially available TTM modalities, and the low adverse event rate may offer advantages over more invasive methods with reported higher complication rates.

SUBMITTER: Bhatti F

PROVIDER: S-EPMC6918847 | biostudies-literature | 2019 Dec

REPOSITORIES: biostudies-literature

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Esophageal Temperature Management in Patients Suffering from Traumatic Brain Injury.

Bhatti Faraaz F Naiman Melissa M Tsarev Alexander A Kulstad Erik E

Therapeutic hypothermia and temperature management 20190118 4

Traumatic brain injury (TBI) is a leading cause of death in the United States, and represents 2.5 million Emergency Department attendances, admissions into hospital, and deaths. A range of temperature modulating devices have been used to proactively cool TBI patients; however, there are currently no uniform targeted temperature management (TTM) guidelines in this patient population. Esophageal temperature management (ETM) is a relatively new TTM modality and the purpose of this study is to deter ...[more]

PMID: 30657435

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Project description:BackgroundLittle is known about the prevalence of altered CAR in anoxic brain injury and the association with patients' outcome. We aimed at investigating CAR in cardiac arrest survivors treated by targeted temperature management and its association to outcome.MethodsRetrospective analysis of prospectively collected data.Inclusion criteriaadult cardiac arrest survivors treated by targeted temperature management (TTM).Exclusion criteriatrauma; sepsis, intoxication; acute intra-cranial disease; history of supra-aortic vascular disease; severe hemodynamic instability; cardiac output mechanical support; arterial carbon dioxide partial pressure (PaCO2) > 60 mmHg; arrhythmias; lack of acoustic window. Middle cerebral artery flow velocitiy (FV) was assessed by transcranial Doppler (TCD) once during hypothermia (HT) and once during normothermia (NT). FV and blood pressure (BP) were recorded simultaneously and Mxa calculated (MATLAB). Mxa is the Pearson correlation coefficient between FV and BP. Mxa > 0.3 defined altered CAR. Survival was assessed at hospital discharge. Cerebral Performance Category (CPC) 3-5 assessed 3 months after CA defined unfavorable neurological outcome (UO).ResultsWe included 50 patients (Jan 2015-Dec 2018). All patients had out-of-hospital cardiac arrest, 24 (48%) had initial shockable rhythm. Time to return of spontaneous circulation was 20 [10-35] min. HT (core body temperature 33.7 [33.2-34] °C) lasted for 24 [23-28] h, followed by rewarming and NT (core body temperature: 36.9 [36.6-37.4] °C). Thirty-one (62%) patients did not survive at hospital discharge and 36 (72%) had UO. Mxa was lower during HT than during NT (0.33 [0.11-0.58] vs. 0.58 [0.30-0.83]; p = 0.03). During HT, Mxa did not differ between outcome groups. During NT, Mxa was higher in patients with UO than others (0.63 [0.43-0.83] vs. 0.31 [- 0.01-0.67]; p = 0.03). Mxa differed among CPC values at NT (p = 0.03). Specifically, CPC 2 group had lower Mxa than CPC 3 and 5 groups. At multivariate analysis, initial non-shockable rhythm, high Mxa during NT and highly malignant electroencephalography pattern (HMp) were associated with in-hospital mortality; high Mxa during NT and HMp were associated with UO.ConclusionsCAR is frequently altered in cardiac arrest survivors treated by TTM. Altered CAR during normothermia was independently associated with poor outcome.

Dataset Information

Esophageal Temperature Management in Patients Suffering from Traumatic Brain Injury.

Publications

Esophageal Temperature Management in Patients Suffering from Traumatic Brain Injury.

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