☆ 4.2 Review

What is new in microcirculation and tissue oxygenation monitoring?

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2022)

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Article Anesthesiology

The vascular occlusion test using multispectral imaging: a validation study The VASOIMAGE study

Arnoud A. Bruins et al.

Summary: The study validated the potential of multispectral imaging in detecting microcirculatory perfusion disturbances during a vascular occlusion test, showing that it can measure changes in microcirculatory perfusion in healthy volunteers. However, the correlation of results between multispectral imaging and near-infrared spectroscopy was moderate to weak, possibly due to differences in physiology of the regions of interest and measurement techniques.

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2021)

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Article Anesthesiology

Increase in regional cerebral saturation after elective electrical cardioversion of atrial fibrillation is only transient and without beneficial effects on neuropsychological functioning: cerebral saturation during electrical cardioversion

Cornelia Genbrugge et al.

Summary: The study confirmed a positive association between successful electrical cardioversion and an increase in SctO(2), but the increase was temporary and did not affect the neuropsychological function of patients. Successful electrical cardioversion improved the quality of life of patients, but did not have an impact on neuropsychological functioning at follow-up.

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2021)

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Article Anesthesiology

Evaluation of accuracy of capillary refill index with pneumatic fingertip compression

Koichiro Shinozaki et al.

Summary: Capillary refill time (CRT) is commonly used to evaluate peripheral perfusion status, but a new method called capillary refill index (CRI) using pulse oximetry sensor was developed in this study. CRI showed strong correlation and reliability similar to CRT by image analysis, but with approximately 1 second higher values.

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2021)

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Article Anesthesiology

Ocular blood flow by laser speckle flowgraphy to detect cerebral ischemia during carotid endarterectomy

Yasushi Motoyama et al.

Summary: LSFG can measure ocular blood flow velocity to detect ischemic stress during CEA. The MBR reduction ratio is positively correlated with the rSO(2) index, suggesting LSFG could be used to evaluate cerebral ischemic tolerance during CEA.

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2021)

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Article Anesthesiology

Regional cerebral oximetry is consistent across self-reported racial groups and predicts 30-day mortality in cardiac surgery: a retrospective analysis

Blaine Stannard et al.

Summary: Different racial groups may show differences in regional oxygen saturation measurements during cardiac surgery, but these differences are less than 2% after adjusting for perioperative variables. Cerebral oximetry measurements are consistent across races, supporting their use for intraoperative monitoring and risk stratification. Pre-intervention oxygen saturation levels are associated with increased 30-day mortality, primarily driven by the numerical values rather than racial factors.

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2021)

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Article Anesthesiology

A new photoplethysmographic device for continuous assessment of urethral mucosa perfusion: evaluation in a porcine model

Martina Cardinali et al.

Summary: This study evaluated an innovative device using a photoplethysmography (PPG) sensor in contact with the urethral mucosa to continuously monitor the urethral perfusion index (uPI) in a porcine model. The results showed a positive correlation between uPI and mean arterial pressure (MAP) below a specific threshold, and a negative correlation above that threshold. The device was able to detect urethral mucosa perfusion alterations associated with hypotension or excessive doses of vasopressors, suggesting potential clinical applications.

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2021)

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Article Anesthesiology

A comparison of the quality of image acquisition between two different sidestream dark field video-microscopes

Jonny Coppel et al.

Summary: The study compared the image acquisition quality between the new MS-U and old MS-A devices. MS-U showed superior image quality in terms of illumination, focus, and pressure, with good agreement between raters.

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2021)

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Article Anesthesiology

Study of early warning for desaturation provided by Oxygen Reserve Index in obese patients

Ekaterina Tsymbal et al.

Summary: ORI provides added warning time for arterial desaturation in obese and normal BMI patients, allowing earlier detection compared to SpO(2).

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2021)

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Article Anesthesiology

Comparing the effect of positioning on cerebral autoregulation during radical prostatectomy: a prospective observational study

Stefanie Beck et al.

Summary: Robot-assisted radical prostatectomy in the extreme Trendelenburg position did not impair cerebral autoregulation compared with open retropubic radical prostatectomy in the supine position. Age and intraoperative mean arterial blood pressure difference were associated with impaired cerebral autoregulation, while surgical technique was not.

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2021)

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Correction Anesthesiology

Multicenter comparison of three intraoperative hemoglobin trend monitoring methods (Dec, 10.1007/s10877-019-00428-3, 2019)

Richard L. Applegate II et al.

Summary: In the original publication, an error occurred during the conversion of a graph, but it has been corrected in an erratum. The graph compares results obtained from different monitoring methods with those from a laboratory hematology analyzer.

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2021)

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Article Anesthesiology

Laser speckle contrast imaging of forehead cutaneous blood flow during carotid endarterectomy as a potential non-invasive method for surrogate monitoring of cerebral perfusion

Mads J. Niemann et al.

Summary: Monitoring changes in cutaneous blood flow of the supraorbital region and Glabella using LSCI during carotid endarterectomy under local anesthesia reflected a decrease in blood flow during clamping of the common carotid artery, but did not differentiate between reperfusion of the internal carotid artery and external carotid artery.

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2021)

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Article Anesthesiology

Effects of anesthetics on microvascular reactivity measured by vascular occlusion tests during off-pump coronary artery bypass surgery: a randomized controlled trial

Youn Joung Cho et al.

Summary: During off-pump coronary artery bypass surgery, there were no significant differences in microvascular reactivity between patients receiving sevoflurane and desflurane. Additionally, both groups showed similar macrohemodynamics and rates of postoperative adverse events, suggesting comparable effects of the two anesthetics on microvascular function in this setting.

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2021)

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Article Anesthesiology

Transcutaneous oxygen pressure-related variables as noninvasive indicators of low lactate clearance in sepsis patients after resuscitation

Liang Xu et al.

Summary: The study investigated the relationship between lactate clearance and PtcO2-related variables in septic patients, finding significant correlations between lactate clearance and P(tc)O(2) at T6, Delta PtcO2, Delta P(tc)O(2)index, and Delta 10 OCT. Delta PtcO2 showed the best performance in discriminating low lactate clearance groups.

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2021)

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Review Anesthesiology

Perfusion index: Physical principles, physiological meanings and clinical implications in anaesthesia and critical care

Maxime Coutrot et al.

Summary: Perfusion index (PI), derived from photoplethysmography (PPG) signal, represents the ratio of pulsatile to non-pulsatile light absorbance or reflectance. The determinants of PI are complex and interlinked, involving the interaction between peripheral and central haemodynamic characteristics. Studies have shown PI's potential in assessing regional or neuraxial block success and haemodynamic monitoring in various clinical settings.

ANAESTHESIA CRITICAL CARE & PAIN MEDICINE (2021)

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Article Anesthesiology

Recommendations for standards of monitoring during anaesthesia and recovery 2021 Guideline from the Association of Anaesthetists

A. A. Klein et al.

Summary: This guideline updates and replaces the 5th edition of the Standards of Monitoring published in 2015, providing guidance on minimum monitoring standards for patients undergoing anaesthesia or sedation. It includes standards for monitoring patients during anaesthesia and in the recovery phase, as well as guidance on monitoring patients undergoing sedation and during transfer. New sections on capnography, sedation, and regional anaesthesia have been added, along with updated indications for processed electroencephalogram and neuromuscular monitoring.

ANAESTHESIA (2021)

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Article Anesthesiology

The response of a standardized fluid challenge during cardiac surgery on cerebral oxygen saturation measured with near-infrared spectroscopy

Frederik Holmgaard et al.

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2020)

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Article Anesthesiology

Accuracy and trending ability of hemoglobin measurement by the Pulse CO-Oximeter during vascular surgery

Rosanna Carmela De Rosa et al.

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2020)

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Article Anesthesiology

Adjustment of oxygen reserve index (ORi™) to avoid excessive hyperoxia during general anesthesia

Keisuke Yoshida et al.

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2020)

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Article Anesthesiology

Ephedrine and phenylephrine induce opposite changes in cerebral and paraspinal tissue oxygen saturation, measured with near-infrared spectroscopy: a randomized controlled trial

Caroline M. Vanpeteghem et al.

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2020)

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Article Anesthesiology

Do cerebral and somatic tissue oxygen saturation measurements correlate with each other during surgery?

Xiaohua Fan et al.

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2020)

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Article Anesthesiology

Changes in cerebral and renal oxygenation during laparoscopic pyloromyotomy

Mineto Kamata et al.

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2020)

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Article Anesthesiology

Continuous hemoglobin and plethysmography variability index monitoring can modify blood transfusion practice and is associated with lower mortality

Jerome Cros et al.

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2020)

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Article Anesthesiology

Preoperative transcranial Doppler and cerebral oximetry as predictors of delirium following valvular heart surgery: a case-control study

Sarah Soh et al.

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2020)

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Article Anesthesiology

Near-infrared spectroscopy for assessing microcirculation during laparoscopic gynaecological surgery under combined spinal-general anaesthesia or general anaesthesia alone: a randomised controlled trial

Marko Zdravkovic et al.

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2020)

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Article Anesthesiology

May near infra-red spectroscopy and rapid perfusion pressure recovering be enough to rule out post-operative spinal cord injury? Two compared case-reports

Enrico Giustiniano et al.

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2020)

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Article Anesthesiology

Assessment of the peripheral microcirculation in patients with and without shock: a pilot study on different methods

Roberto Rabello Filho et al.

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2020)

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Article Anesthesiology

Monitoring tissue perfusion: a pilot clinical feasibility and safety study of a urethral photoplethysmography-derived perfusion device in high-risk patients

Francois Depret et al.

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2020)

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Article Anesthesiology

Moderate-to-Deep Sedation Using Target-Controlled Infusions of Propofol and Remifentanil: Adverse Events and Risk Factors: A Retrospective Cohort Study of 2937 Procedures

Clemens R. M. Barends et al.

ANESTHESIA AND ANALGESIA (2020)

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Article Anesthesiology

The ability of perfusion index to detect segmental ulnar nerve sparing after supraclavicular nerve block

Bassant Abdelhamid et al.

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2020)

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Review Anesthesiology

Comparison of invasive and noninvasive blood hemoglobin measurement in the operating room: a systematic review and meta-analysis

Hosein Shabaninejad et al.

JOURNAL OF ANESTHESIA (2019)

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Review Biochemical Research Methods

Clinical applications of laser speckle contrast imaging: a review

Wido Heeman et al.

JOURNAL OF BIOMEDICAL OPTICS (2019)

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Using extra systoles and the micro-fluid challenge to predict fluid responsiveness during cardiac surgery

Simon T. Vistisen et al.

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2019)

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Article Biology

MicroTools enables automated quantification of capillary density and red blood cell velocity in handheld vital microscopy

Matthias Peter Hilty et al.

COMMUNICATIONS BIOLOGY (2019)

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Review Anesthesiology

The oxygen reserve index (ORI): a new tool to monitor oxygen therapy

T. W. L. Scheeren et al.

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2018)

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Article Critical Care Medicine

Second consensus on the assessment of sublingual microcirculation in critically ill patients: results from a task force of the European Society of Intensive Care Medicine

Can Ince et al.

INTENSIVE CARE MEDICINE (2018)

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Article Anesthesiology

Microcirculation measured by vascular occlusion test during desflurane-remifentanil anesthesia is superior to that in propofol-remifentanil anesthesia in patients undergoing thoracic surgery: subgroup analysis of a prospective randomized study

Youn Joung Cho et al.

JOURNAL OF CLINICAL MONITORING AND COMPUTING (2017)

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Article Anesthesiology

Advanced Uses of Pulse Oximetry for Monitoring Mechanically Ventilated Patients

Gerardo Tusman et al.

ANESTHESIA AND ANALGESIA (2017)

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Article Anesthesiology

Oxygen Reserve Index A Novel Noninvasive Measure of Oxygen Reserve-A Pilot Study

Peter Szmuk et al.

ANESTHESIOLOGY (2016)

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Review Critical Care Medicine

The value of blood lactate kinetics in critically ill patients: a systematic review

Jean-Louis Vincent et al.

CRITICAL CARE (2016)

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Article Anesthesiology

Skin pigmentation interferes with the clinical measurement of regional cerebral oxygen saturation

X. Sun et al.

BRITISH JOURNAL OF ANAESTHESIA (2015)

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Article Anesthesiology

Accuracy of Continuous Noninvasive Hemoglobin Monitoring: A Systematic Review and Meta-Analysis

Sang-Hyun Kim et al.

ANESTHESIA AND ANALGESIA (2014)

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Article Critical Care Medicine

The microcirculation image quality score: Development and preliminary evaluation of a proposed approach to grading quality of image acquisition for bedside videomicroscopy

Michael J. Massey et al.

JOURNAL OF CRITICAL CARE (2013)

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Article Anesthesiology

Capillary Refill Time: Is It Still a Useful Clinical Sign?

Amelia Pickard et al.

ANESTHESIA AND ANALGESIA (2011)

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Article Anesthesiology

Effect of phenylephrine and ephedrine bolus treatment on cerebral oxygenation in anaesthetized patients

L. Meng et al.

BRITISH JOURNAL OF ANAESTHESIA (2011)

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Review Critical Care Medicine

Coupling microcirculation to systemic hemodynamics

Daniel De Backer et al.

CURRENT OPINION IN CRITICAL CARE (2010)

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Article Critical Care Medicine

Phenylephrine but not Ephedrine Reduces Frontal Lobe Oxygenation Following Anesthesia-Induced Hypotension

Peter Nissen et al.

NEUROCRITICAL CARE (2010)

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Article Cardiac & Cardiovascular Systems

Atrial fibrillation in stroke-free patients is associated with memory impairment and hippocampal atrophy

Stefan Knecht et al.

EUROPEAN HEART JOURNAL (2008)

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Review Biophysics

Photoplethysmography and its application in clinical physiological measurement

John Allen

PHYSIOLOGICAL MEASUREMENT (2007)

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