American Society of Neurophysiologic Monitoring and American Society of Neuroimaging Joint Guidelines for Transcranial Doppler Ultrasonic Monitoring
Harvey L. Edmonds Jr PhD, FASNM (ASNM)
From the Department of Anesthesiology, University of Louisville, Louisville, Kentucky (HLE); Intraoperative Neuromonitoring, Orlando Regional Medical Center, Orlando, Florida (MRI); Department of Anesthesiology, University of Colorado, Colorado (TBS); Department of Neurology, Division of Cerebrovascular Disease and Comprehensive Stroke Research Center, The University of Alabama at Birmingham, Birmingham, Alabama (AVA); and Sentient NeuroCare Services, Inc., Hunt Valley, Maryland (AYR)
Search for more papers by this authorMichael R. Isley PhD, DABNM, FASNM (ASNM)
From the Department of Anesthesiology, University of Louisville, Louisville, Kentucky (HLE); Intraoperative Neuromonitoring, Orlando Regional Medical Center, Orlando, Florida (MRI); Department of Anesthesiology, University of Colorado, Colorado (TBS); Department of Neurology, Division of Cerebrovascular Disease and Comprehensive Stroke Research Center, The University of Alabama at Birmingham, Birmingham, Alabama (AVA); and Sentient NeuroCare Services, Inc., Hunt Valley, Maryland (AYR)
Search for more papers by this authorTod B. Sloan MD, PhD, MBA, FASNM (ASNM)
From the Department of Anesthesiology, University of Louisville, Louisville, Kentucky (HLE); Intraoperative Neuromonitoring, Orlando Regional Medical Center, Orlando, Florida (MRI); Department of Anesthesiology, University of Colorado, Colorado (TBS); Department of Neurology, Division of Cerebrovascular Disease and Comprehensive Stroke Research Center, The University of Alabama at Birmingham, Birmingham, Alabama (AVA); and Sentient NeuroCare Services, Inc., Hunt Valley, Maryland (AYR)
Search for more papers by this authorAndrei V. Alexandrov MD, RVT (ASN)
From the Department of Anesthesiology, University of Louisville, Louisville, Kentucky (HLE); Intraoperative Neuromonitoring, Orlando Regional Medical Center, Orlando, Florida (MRI); Department of Anesthesiology, University of Colorado, Colorado (TBS); Department of Neurology, Division of Cerebrovascular Disease and Comprehensive Stroke Research Center, The University of Alabama at Birmingham, Birmingham, Alabama (AVA); and Sentient NeuroCare Services, Inc., Hunt Valley, Maryland (AYR)
Search for more papers by this authorAlexander Y. Razumovsky PhD, FAHA (ASN)
From the Department of Anesthesiology, University of Louisville, Louisville, Kentucky (HLE); Intraoperative Neuromonitoring, Orlando Regional Medical Center, Orlando, Florida (MRI); Department of Anesthesiology, University of Colorado, Colorado (TBS); Department of Neurology, Division of Cerebrovascular Disease and Comprehensive Stroke Research Center, The University of Alabama at Birmingham, Birmingham, Alabama (AVA); and Sentient NeuroCare Services, Inc., Hunt Valley, Maryland (AYR)
Search for more papers by this authorHarvey L. Edmonds Jr PhD, FASNM (ASNM)
From the Department of Anesthesiology, University of Louisville, Louisville, Kentucky (HLE); Intraoperative Neuromonitoring, Orlando Regional Medical Center, Orlando, Florida (MRI); Department of Anesthesiology, University of Colorado, Colorado (TBS); Department of Neurology, Division of Cerebrovascular Disease and Comprehensive Stroke Research Center, The University of Alabama at Birmingham, Birmingham, Alabama (AVA); and Sentient NeuroCare Services, Inc., Hunt Valley, Maryland (AYR)
Search for more papers by this authorMichael R. Isley PhD, DABNM, FASNM (ASNM)
From the Department of Anesthesiology, University of Louisville, Louisville, Kentucky (HLE); Intraoperative Neuromonitoring, Orlando Regional Medical Center, Orlando, Florida (MRI); Department of Anesthesiology, University of Colorado, Colorado (TBS); Department of Neurology, Division of Cerebrovascular Disease and Comprehensive Stroke Research Center, The University of Alabama at Birmingham, Birmingham, Alabama (AVA); and Sentient NeuroCare Services, Inc., Hunt Valley, Maryland (AYR)
Search for more papers by this authorTod B. Sloan MD, PhD, MBA, FASNM (ASNM)
From the Department of Anesthesiology, University of Louisville, Louisville, Kentucky (HLE); Intraoperative Neuromonitoring, Orlando Regional Medical Center, Orlando, Florida (MRI); Department of Anesthesiology, University of Colorado, Colorado (TBS); Department of Neurology, Division of Cerebrovascular Disease and Comprehensive Stroke Research Center, The University of Alabama at Birmingham, Birmingham, Alabama (AVA); and Sentient NeuroCare Services, Inc., Hunt Valley, Maryland (AYR)
Search for more papers by this authorAndrei V. Alexandrov MD, RVT (ASN)
From the Department of Anesthesiology, University of Louisville, Louisville, Kentucky (HLE); Intraoperative Neuromonitoring, Orlando Regional Medical Center, Orlando, Florida (MRI); Department of Anesthesiology, University of Colorado, Colorado (TBS); Department of Neurology, Division of Cerebrovascular Disease and Comprehensive Stroke Research Center, The University of Alabama at Birmingham, Birmingham, Alabama (AVA); and Sentient NeuroCare Services, Inc., Hunt Valley, Maryland (AYR)
Search for more papers by this authorAlexander Y. Razumovsky PhD, FAHA (ASN)
From the Department of Anesthesiology, University of Louisville, Louisville, Kentucky (HLE); Intraoperative Neuromonitoring, Orlando Regional Medical Center, Orlando, Florida (MRI); Department of Anesthesiology, University of Colorado, Colorado (TBS); Department of Neurology, Division of Cerebrovascular Disease and Comprehensive Stroke Research Center, The University of Alabama at Birmingham, Birmingham, Alabama (AVA); and Sentient NeuroCare Services, Inc., Hunt Valley, Maryland (AYR)
Search for more papers by this authorJ Neuroimaging 2011;21:177-183.
ABSTRACT
The American Society of Neurophysiologic Monitoring (ASNM) and American Society of Neuroimaging (ASN) Guidelines Committees formed a joint task force and developed guidelines to assist in the use of transcranial Doppler (TCD) monitoring in the surgical and intensive care settings. Specifically, these guidelines:
(1) delineate the objectives of TCD monitoring;
(2) characterize the responsibilities and behaviors of the sonographer during monitoring;
(3) describe methodological and ethical issues uniquely relevant to monitoring.
The ASNM and ASN strongly support the positions that (1) acquisition and interpretation of intraoperative TCD ultrasonograms be performed by qualified individuals, (2) service providers define their diagnostic criteria and develop on-going self-validation programs of these performance criteria in their practices. We agree with the guidelines of other professional societies regarding the technical and professional qualifications of individuals responsible for TCD signal acquisition and interpretation (Class III evidence, Type C recommendation). On the basis of current clinical literature and scientific evidence, TCD monitoring is an established monitoring modality for the: (1) assessment of cerebral vasomotor reactivity and autoregulation; (2) documentation of the circle of Willis functional status; (3) identification of cerebral hypo- and hyperperfusion, recanalization and re-occlusion; and (4) detection of cerebral emboli (Class II and III evidence, Type B recommendation).
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