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Analysis of the relationship between decrease of SpO2 and blood pressure and the fluctuation in the patients of OSAS.

Not Applicable
Recruiting
Conditions
Sleep Apnea Syndrome
Registration Number
JPRN-UMIN000047112
Lead Sponsor
Kyushu University
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Recruiting
Sex
All
Target Recruitment
200
Inclusion Criteria

Not provided

Exclusion Criteria

(1) Patients who have poor control of tachycardia attacks, hypertension, and heart failure and are judged by the investigator to be inappropriate to perform the test. (2) Patients who are considered to have difficulty in measuring pulse transit time (having a shunt due to dialysis or having arterial occlusion in the limb) (3) Patients whose sleep status at the time of PTT measurement is judged to deviate significantly from normal sleep habits (heavy drinking, extremely short sleep time) (4) Patients who are inappropriate to attend this study judged by the investigator.

Study & Design

Study Type
Observational
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
1 The relationship between delta SBP/delta SpO2 and the parameters obtained by PSG above and below the threshold of the point of initiation of elevation of PTT-BP. 2 Relationship between the gain between SpO2 and PTT-SBP fluctuation obtained using the frequency analysis in 0.01-0.05Hz.
Secondary Outcome Measures
NameTimeMethod
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