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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.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| App user group | Active Comparator |
| |
| Control group | Sham Comparator | Control participants, the physicians could assess the lifestyle and recommend further lifestyle modification only on the basis of the participants' recalls |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Life style modification by using and app with a wrist-worn activity tracker | Behavioral | 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. |
| Measure | Description | Time Frame |
|---|---|---|
| changes in body weight | body weight measurement and calculate into body mass index (BMI) | base line and after 4weeks of life style modiciation |
| Measure | Description | Time Frame |
|---|---|---|
| apnea hypopnea index (AHI) | number of apnea and or hypopnea event per hour during sleep | 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 |
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Inclusion Criteria:
ᆞ patients must agree to participate in our clinical study ᆞ patients without severe cardiopulmonary disease ᆞ patients must be with BMI > 23 Kg/m2
Exclusion Criteria:
ᆞ patients who did not agree ᆞ patients with severe cardiopulmonary disease ᆞpatients who are under treatment using a continuous positive airway pressure device or a mandibular advancement device ᆞ patients who were pregnant
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| Name | Affiliation | Role |
|---|---|---|
| Jeong-Whun Kim, MD, PhD | Seoul National University Bundang Hospital | Study Director |
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the individual data is confidential according to the hospital's policy
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| Type | Date | Date Unknown |
|---|---|---|
| Release | Jun 12, 2018 | |
| Reset | Dec 21, 2018 |
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| Release Date | Unrelease Date | Unrelease Date Unknown | Reset Date | MCP Release Number |
|---|---|---|---|---|
| Jun 12, 2018 | Dec 21, 2018 |
| ID | Term |
|---|---|
| D020181 | Sleep Apnea, Obstructive |
| D009765 | Obesity |
| ID | Term |
|---|---|
| D012891 | Sleep Apnea Syndromes |
| D001049 | Apnea |
| D012120 | Respiration Disorders |
| D012140 | Respiratory Tract Diseases |
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| ID | Term |
|---|---|
| D000682 | Amyloid |
| ID | Term |
|---|---|
| D046912 | Multiprotein Complexes |
| D046911 | Macromolecular Substances |
| D011506 | Proteins |
| D000602 | Amino Acids, Peptides, and Proteins |
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|
| Conventional Life style modification | Behavioral | Physician's usual consultation for life style modification at 0 week, and 2 weeks of enrollment |
|
| 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 | 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 (%) | base line and after 4weeks of life style modiciation |
| lowest oxygen saturation | the degree of the lowest oxygen saturation measured during sleep | base line and after 4weeks of life style modiciation |
| D020919 |
| Sleep Disorders, Intrinsic |
| D020920 | Dyssomnias |
| D012893 | Sleep Wake Disorders |
| D009422 | Nervous System Diseases |
| D050177 | Overweight |
| D044343 | Overnutrition |
| D009748 | Nutrition Disorders |
| D009750 | Nutritional and Metabolic Diseases |
| D001835 | Body Weight |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |