In: Snoring21 Aug 2014
From our study sample, two other important anatomical determinants were associated with higher snoring sound intensity levels: a higher BMI and narrow pharyngeal passages.
We hypothesized that snoring sound intensity would have a negative association with sleep quality. Our data partially supports this hypothesis. Varying degrees of snoring sound intensity levels resulted in significant differences in the polysom-nographic markers of sleep quality. Specifically, the percentages of SWS were significantly lower in patients with peak L1 or L5 values of a 55 dBA, compared to patients with L1 or L5 values of < 55 dBA. Sleep latency was significantly lower in patients with L1, L5, and Leq values a 55 dBA, compared to patients with L1, L5, and Leq values of < 55 dBA. These results indicate that louder snoring has an adverse association with the sleep quality of the snorer. Our data do not provide the answer to the mechanisms by which sleep architecture is altered. Although previous work suggests that increased respiratory effort associated with periods of flow limitation during sleep plays an important role, the direct effects of snoring sound on the sleep architecture of the snoring individual need further evaluation.
We were unable to show a significant independent relationship between the intensity of snoring sounds and a clinical history of arterial hypertension. Significant differences in snoring sound intensity levels between subjects with or without a history of arterial hypertension were explained by the BMI and gender, an observation previously reported website contraceptive pills.
Finally, after entering relevant variables into a logistic regression model with an RDI of a 10 as the dependent variable, we were able to determine that an Leq of a 38, a BMI of > 30, gender, and age were significantly associated with the presence of apneic sleep.
We conclude that a snoring sound intensity level can be accurately measured and that it has demonstrated associations with other sleep parameters. Snoring sound intensity should be included in the assessment of patients with sleep-disordered breathing in order to characterize both the patient’s physiologic condition and the acoustic impact on the patient’s bed partner. To further delineate the impact of snoring on the snorer and his/her bed partner, future research is needed that incorporates the measurement of snoring intensity and frequency variables, and links these acoustic variables to poly-somnographic variables in time.
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