Study type: Medical/biological study (experimental study)

Influence of acute microwave radiation on cardiac function in normal and myocardial ischemic cats med./bio.

By: Galvin MJ, McRee DI
Published in: J Appl Physiol Respir Environ Exerc Physiol 1981; 50 (5): 931-935
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Aim of study (acc. to author)

To examine the influence of direct microwave irradiation of the intact exposed heart on cardiac function in cats with and without myocardial ischemia.

Endpoint

Exposure

Exposure Parameters
Exposure 1: 2.45 GHz
Modulation type: CW
Exposure duration: continuous for 5 h

Exposure 1

Main characteristics
Frequency 2.45 GHz
Type
Exposure duration continuous for 5 h
Modulation
Modulation type CW
Exposure setup
Exposure source
Distance between exposed object and exposure source 0.02 m
Sham exposure A sham exposure was conducted.
Parameters
Measurand Value Type Method Mass Remarks
SAR 30 mW/g - calculated partial body heart

Exposed system:

Methods Endpoint/measurement parameters/methodology

Investigated system:
Investigated organ system:
Time of investigation:
  • during exposure

Main outcome of study (acc. to author)

At a SAR of 30 mW/g, the temperature of the exposed tissue increased at an initial rate of 0.43°C/min in dead animals. However, in live cats, no increases in aortic blood temperatures occurred during exposure. Mean arterial blood pressure, cardiac output, heart rate, plasma and myocardial creatine phosphokinase, and S-T segment were not influenced by 5 h of microwave exposure of the myocardium in cats with or without myocardial ischemia.

Study character:

Study funded by