Cardiovascular effects of impulse noise, road traffic noise, and intermittent pink noise at LAeq = 75 dB, as a function of sex, age, and level of anxiety: a comparative study. I. Heart rate data.

摘要: In a previous paper, in which the experimental conditions of present research are fully described (Parrot et al., this issue), heart rate (HR) was studied 60 male and female subjects response to pile-driver noise (P), gunfire (G), road traffic (T), an intermittend pink (R), all noises being emitted at same LAeq = 75 dB for 15 min. Digital pulse level (PL) responses were concomitantly surveyed by use oxymetry, allowing continuous arterial oxygen saturation (SaO2) readings. An index reactivity (PRI) could be calculated. Arterial blood pressure measured 7 times from beginning end each trial. At rest, within last minutes preceding exposure any 4 noises, no difference or age prestimulus PL observed. cases, sex is highly significant source variation: Mean resting SaO2 values higher women than men. rest also found significantly anxious (Am) anxiety-free (Nm) When on min, ancrease prevailed most cases contrast, decrease near-zero changes 1 case out 2 subgroups. groups, mean PRIs did factor prove PRI variation. AM NM, amplitudes proved different noises: They during T P, G R ranking third fourth position, respectively. The as regards induced met range. YM OM, too, ranks first before P inducing important PR. anxiety variation vasomotor responses. systolic diastolic (SBP, DBP) levels men women. Under systematic SBP DBP observed overall tendency, but change never achieved statistical significance without after-effect. No role observed, incidentally changes.