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Journal ArticleDOI

Near-infrared spectroscopy: exposing the dark (venous) side of the circulation.

John P. Scott, +1 more
- 01 Jan 2014 - 
- Vol. 24, Iss: 1, pp 74-88
TLDR
Near‐infrared spectroscopy provides noninvasive continuous access to the venous side of regional circulations that can approximate organ‐specific and global measures to facilitate the detection of circulatory abnormalities and drive goal‐directed interventions to reduce end‐organ ischemic injury.
Abstract
The safety of anesthesia has improved greatly in the past three decades. Standard perioperative monitoring, including pulse oximetry, has practically eliminated unrecognized arterial hypoxia as a cause for perioperative injury. However, most anesthesia-related cardiac arrests in children are now cardiovascular in origin, and standard monitoring is unable to detect many circulatory abnormalities. Near-infrared spectroscopy provides noninvasive continuous access to the venous side of regional circulations that can approximate organ-specific and global measures to facilitate the detection of circulatory abnormalities and drive goal-directed interventions to reduce end-organ ischemic injury.

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Citations
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Journal ArticleDOI

Postoperative Cerebral and Somatic Near-Infrared Spectroscopy Saturations and Outcome in Hypoplastic Left Heart Syndrome

TL;DR: Test the hypothesis that near-infrared spectroscopy (NIRS)-derived cerebral and somatic/renal regional saturations can predict survival by analyzing relationships between standard hemodynamic measures, direct and NIRS measures of saturation, and outcome.
Journal ArticleDOI

Cerebral Oxygenation During Pediatric Cardiac Surgery Using Deep Hypothermia Circulatory Arrest

TL;DR: Brain oxygenation changed at distinct points during surgery in all ages, reflecting fundamental cerebral responses to hypothermic CPB, ischemia, and reperfusion, consistent with experimental work in animals.
Journal ArticleDOI

Sevoflurane anesthesia and brain perfusion

TL;DR: To assess the impact of sevoflurane and anesthesia‐induced hypotension on brain perfusion in children younger than 6 months, a large number of patients were referred to the neonatal intensive care unit.
Journal ArticleDOI

Impact of sevoflurane anesthesia on brain oxygenation in children younger than 2 years.

TL;DR: To assess the impact of sevoflurane and anesthesia‐induced hypotension on brain oxygenation in children younger than 2 years, a large number of patients were referred to the neonatal intensive care unit.
References
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Journal ArticleDOI

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TL;DR: The data demonstrate a strong relationship between the magnitude and duration of the VO2 deficit in the intraoperative and early postoperative period and the subsequent appearance of organ failure and death.
Journal ArticleDOI

Arterial and venous contributions to near-infrared cerebral oximetry.

TL;DR: In this article, the authors used frequency domain near-infrared spectroscopy to determine the ratio of arterial and venous blood monitored by cerebral oximetry during normoxia, hypoxia and hypocapnia.
Journal ArticleDOI

Fluctuating pressure-passivity is common in the cerebral circulation of sick premature infants.

TL;DR: Cerebral pressure-passivity was significantly associated with low gestational age and birth weight, systemic hypotension, and maternal hemodynamic factors, but not with markers of maternal infection.
Journal ArticleDOI

Regional blood flow and oxygen transport in septic shock

TL;DR: Regional changes in oxygen transport in septic shock cannot be predicted from the changes in the whole body and major regional changes occurred in oxygen delivery and Vo2, and these changes were unpredictable from systemic changes.
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