Noninvasive Neuromonitoring of Surgery of the Thoracic Aorta

Status Completed

Clinical Trial Summary

The aim of this prospective, explorative study of noninvasive neuromonitoring was to search potential and practical methods associated with neurological outcome in the perioperative and immediate postoperative setting of surgery of the thoracic aorta. These methods include abbreviated EEG monitoring, near-infrared spectroscopy, transcranial Doppler ultrasound and biochemical markers associated with neuronal damage.

Clinical Trial Description

For the purpose of this study, 30 patients undergoing aortic surgery via a median sternotomy (n=29; 97%) or left thoracotomy (n=1; 3%) and cardiopulmonary bypass with deep hypothermic cardiac arrest were recruited. All patients were operated under deep hypothermia and circulatory arrest, with optional selective cerebral perfusion during circulatory arrest. Active patient recruitment started from September 2007 and ended in May 2011. All patients were monitored with a bilateral fronto-temporal four channel abbreviated EEG, a bilateral frontal two-channel near-infrared spectroscopy, postoperative transcranial Doppler ultrasound evaluation of median artery circulation and postoperative biochemical neuromarkers. The study montage was set up by a dedicated research nurse, who also performed the transcranial Doppler measurements. The neuromonitoring data were not used at the time to guide therapeutic decisions, with the exception of near-infrared spectroscopy monitoring. ;

Study Design

Observational Model: Cohort, Time Perspective: Prospective

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02876263
Study type	Observational
Source	Helsinki University
Contact
Status	Completed
Phase	N/A
Start date	September 2007
Completion date	November 2011

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