The biophysical basis and clinical applications of rheoencephalography.

Seipel, John H.; United States. Office of Aviation Medicine

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The biophysical basis and clinical applications of rheoencephalography.

1967-05-01
By Seipel, John H.

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English

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Details:

Creators:

Seipel, John H.
Corporate Creators:

United States. Office of Aviation Medicine
Subject/TRT Terms:

[+]

Accuracy Air Pilots Air Pilots--Certification Amplitude (Physics) Arterial Occlusions Arteries Biophysics Blood Brain Brain--Diseases--Diagnosis Calibration Carotid Artery Cerebral Circulation Cerebral Dominance Cerebrovascular Disease Certification Clinical Trials Collateral Circulation Electrochemical Analysis Electrodes Electrolytes Electrolyte Solutions Error Analysis Error Analysis (Mathematics) Flow Flow Resistance Head Human Subject Testing Impedance Plethysmography Instrumentation Laboratory Tests Low Frequency Mathematical Analysis Patients--Positioning Plethysmography Potassium Chloride Research Reports Rheoencephalography Salt Skull Sodium Chloride Solutions (Chemistry) Spheres Spinal Column Spinal Cord Standardization Waveform Analysis
Publication/ Report Number:

AM 67-11 ; DOT/FAA/AM-67/11

AM 67-11 ; DOT/FAA/AM-67/11 Less -
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

Civil Aerospace Medical Institute
Abstract:

A method for screening large populations for asymptomatic but potentially incapacitating cerebrovascular disease has obvious application in aviation medicine. Rheoencephalography (REG), a simple, rapid and innocuous method of studying the cranial circulation, was investigated for this purpose. A standardized, repeatable method involving tracing during brief arterial compressions was developed and is fully described. A 95% predictive accuracy in diagnosis and localization of carotid occlusive disease is demonstrated in patients with cerebrovascular insufficiency.

A significant number of asymptomatic, medically certified normal airmen are found to be potential stroke candidates by the same method. Individual extra- and intra-cranial arterial circulatory components are demonstrated for the first time. Previously reported difficulties in REG diagnosis are elucidated. The potential value of REG screening of normal populations for cerebrovascular anomalies and early disease is demonstrated.
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PDF
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FAA Civil Aerospace Medical Institute US Transportation Collection
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urn:sha256:3ce65ed9033b2bf27dc93250c7bd307bc3dc1bed9a670e11da8c86eddeaa0a5f
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https://rosap.ntl.bts.gov/view/dot/20823/dot_20823_DS1.pdf
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The biophysical basis and clinical applications of rheoencephalography.

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