Clinical Research Of Micro-movement Sensitive Mattress Sleep Monitoring System In The Diagnose Of Children With Obstructive Sleep Apnea Syndrome

Backgroundobstructive sleep apnea syndrome in children with a higher incidence, if it is notdiagnosed and treated timely at an early stage of disease intervention, will likely result inserious complications. However, most of childrenhaven’tdiagnosed by sleep monitor. Thedisease is main diagnosedbypolysomnography andvariety of portable sleep monitoringdevice. However, when these devices are used to monitor children sleep in clinical hasexposed some limitations and shortcomings. In particular, polysomnography as the current“gold standard” for diagnosis of sleep-disordered breathing, because of children’s poorcompliance in monitoring process often result in a high failure rate and produce highpsychological burden. High accuracy and acceptable device is urgently needed inchildren’ssleep monitoring.ObjectiveTo evaluate the diagnostic value of micro-movement sensitive mattress sleepmonitoring system（MSMSMS）on children with obstructive sleep apneasyndrome.Methods65children which compliant of sleep disorder are collected.They are detectedbypolysomnography and micro-sensitive mattress sleep monitoring systemovernightat least seven hours synchronous. The date from two instrument are analyzed bycomputer automatically and thenmodifiedby two professional staff double-blindseparately.Two groups of data about the diagnosis of sleep breath disorder and othersleep physiology information are compared. Result61cases finished the study finally.The mean age of these children is (7.0+2.7)and the youngest is3years old, maximum is13years old, male children with46cases,15cases of female patients, body mass index(BMI)16.00(14.80,17.65)kg/m2. Mean PSG measured apnea-hypopnea index (AHI) was4.50(2.30,10.15)times/h, and mean MSMSMS AHI was3.63(2.56,6.43) times/h. There was asignificant correlation between PSG AHI and AHI by MSMSMS(r=0.935,P<0.01). ABland-Altam plot of PSG AHI and MSMSMS AHI was also used to assess theaccuracy of MSMSMS.95.1%of the data are fallen in the95%consistency areas.ForAHI≥5times/h and nighttime minimum oxygen <91%or OAI>1times/h andnighttime minimum oxygen saturation <91%as threshold value, the MSMSMSdiagnosing sensitivity and specificity were82.9%and92.3%.The misdiagnosis rateand missed diagnosis rate were7.7%and17.1%.The heart rate and sleep structive aremeasured by the two devicesand correlation analysis showed that there were nostatistical difference both in heart rate(Z=-0.266, P=0.821) and sleep structive(P浅=0.134，P深=0.194，PR=0.771).ConclusionThe MSMSMS offer a simple and comfortable method to monitor children’ssleep.It improve the compliance when in the process of sleep monitoring.Besides, as adiagnostic tool in the diagnosis of OSAHS on children has a high credibility inAHI.There are no statistical difference in heart rate and sleep structive compared withPSG.