Continuous respiratory monitoring for sleep apnea screening by ambulatory hemodynamic monitor

doi:10.4330/wjc.v4.i4.121

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Apr 26, 2012 (publication date) through May 5, 2024

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World Journal of Cardiology

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1949-8462

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Cardiol. Apr 26, 2012; 4(4): 121-127
Published online Apr 26, 2012. doi: 10.4330/wjc.v4.i4.121

Table 1 Demographics and clinical characteristics (mean ± SD)

Parameter	All (n = 85)	Negative SDB	Positive SDB
Parameter	All (n = 85)	(AHI < 5, n = 28)	(AHI≥5, n = 57)
Age (yr)	50.5 ± 12.4	47.2 ± 12.3	52.1 ± 12.2
Sex (% male)	83.50%	78.60%	91.60%
Weight (kg)	88.1 ± 18.9	82.1 ± 17.1	91.1 ± 19.2^a
BMI (kg/m²)	28.9 ± 5.5	26.9 ± 4.8	29.9 ± 5.6^a
History of hypertension (%)	34%	39%	21%
History of MI (%)	6%	11%	2%
History of CAD (%)	9%	18%	3%
AHI (events/h)	20.6 ± 27.8	1.5 ± 1.2	30.0 ± 29.8^a
Obstructive apnea (n)	34.8 ± 89.3	0.9 ± 1.8	51.5 ± 105.3^a
Central apnea (n)	5.7 ± 22.3	1.6 ± 4.8	7.7 ± 26.9^a
Mean % SaO₂ (%)	93.1 ± 2.7	93.9 ± 2.5	92.7 ± 2.7^a
Oxygen desaturation index	12.5 ± 19.6	1.1 ± 1.2	17.5 ± 21.8^a
Desaturation > 4% (n)	70.1 ± 120.3	6.2 ± 7.0	98.4 ± 135.7^a
Apnea arousal (n)	31.6 ± 79.3	1.8 ± 4.9	46.2 ± 93.6^a
Total arousals (n)	200.0 ± 137.8	166.1 ± 74.3	216.6 ± 158.0^a
Awakening > 1 min (n)	17.4 ± 32.7	11.0 ± 17.2	20.6 ± 37.9
SDBSS	9.3 ± 15.3	1.4 ± 3.7	13.2 ± 17.2^a

^aP < 0.05 vs negative SDB; AHI: Apnea/hypopnea index; MI: Myocardial infarction; CAD: Coronary artery disease; SDB: Sleep-disordered breathing; SDBSS: Sleep-disordered breathing severity score; BMI: Body mass index.

Citation: Dillier R, Baumann M, Young M, Erne S, Schwizer B, Zuber M, Erne P. Continuous respiratory monitoring for sleep apnea screening by ambulatory hemodynamic monitor. World J Cardiol 2012; 4(4): 121-127
URL: https://www.wjgnet.com/1949-8462/full/v4/i4/121.htm
DOI: https://dx.doi.org/10.4330/wjc.v4.i4.121