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Effectiveness of Adaptive Servo-Ventilation for severe aortic stenosis patients after aortic valve replacement

Effectiveness of Adaptive Servo-Ventilation for severe aortic stenosis patients after aortic valve replacement - Effectiveness of ASV for severe AS patients after AVR

Status
Unknown
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000021139
Enrollment
20
Registered
2016-03-01
Start date
2016-03-15
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

severe aortic stenosis

Interventions

to use ASV for 24 weeks after the surgery (everyday, more than 1 hour) to observe without using ASV for 24 weeks after the surgery

Sponsors

Osaka university hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) patients who agree to participate in this study (2) severe aortic stenosis patients who will undergo aortic valve replacement (3) patients whose preoperative ejection fractions are over 50% (4) patients over 20 years old

Exclusion criteria

Exclusion criteria: (1) patients who will undergo the other valve surgery (2) patients who have chronic Af before surgery (3) patients who will undergo MAZE procedure (4) patients who are complicated with central sleep apnea rather than obstructive sleep apnea (5) Patients who are considered unsuitable to participate in the study than the researcher because of other reasons

Design outcomes

Primary

MeasureTime frame
NYHA, 6-minute walk, Specific Activity Scale (24 weeks)—

Secondary

MeasureTime frame
BNP, Dd, FS, EF, LVM (12, 24 weeks)—

Countries

Japan

Contacts

Public ContactRyohei Matsuura

Osaka University Graduate School of Medicine department of cardiovascular surgery

r-matsuura@surg1.med.osaka-u.ac.jp06-6789-3154

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026