This study aimed to investigate the effects of a mobile phone app linked to hospital electronic medical record (EMR) system on weight reduction and obstructive sleep apnea (OSA). Adults aged \> 20 years with witnessed snoring or sleep apnea from a sleep clinic of a tertiary center were prospectively enrolled, and the participats were randomized into app user and control groups. The mobile app was designed to collect daily lifestyle data by wearing a wrist activity tracker and reporting dietary intake. At the visit after 2 weeks of use, a summary of the lifestyle was displayed on the hospital EMR and reviewed by both physicians and app users. Further lifestyle modification was encouraged on the basis of the electronically collected data. In the control group, the lifestyle modification performed as the usual practice. All participants underwent Watch PAT and body mass index (BMI) measurement twice: on enrollment; and after 4-weeks follow up. Changes of BMI, and parameters of sleep related breathing were analyzed.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
SUPPORTIVE_CARE
Masking
NONE
Enrollment
59
The mobile app was designed to collect daily lifestyle data by wearing a wrist activity tracker and reporting dietary intake. At the visit after 2 weeks of use, a summary of the lifestyle was displayed on the hospital EMR and reviewed by both physicians and app users. Further lifestyle modification was encouraged on the basis of the electronically collected data.
Physician's usual consultation for life style modification at 0 week, and 2 weeks of enrollment
changes in body weight
body weight measurement and calculate into body mass index (BMI)
Time frame: base line and after 4weeks of life style modiciation
apnea hypopnea index (AHI)
number of apnea and or hypopnea event per hour during sleep
Time frame: base line and after 4weeks of life style modiciation
respiratory distress index (RDI)
AHI + number of respiratory effor related arousal (RERA) per hour during sleep
Time frame: base line and after 4weeks of life style modiciation
oxygen desaturation index (ODI)
number of desaturation event (peripheral oxygen satuation less than 90%) per hour during sleep
Time frame: base line and after 4weeks of life style modiciation
sleep time proportion with snoring loudness > 45dB
total duration of the snoring loudness \>45 dB devided by the total sleep time (%)
Time frame: base line and after 4weeks of life style modiciation
lowest oxygen saturation
the degree of the lowest oxygen saturation measured during sleep
Time frame: base line and after 4weeks of life style modiciation
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