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Relationship Between Respiratory Stability Time and Recovery After General Anesthesia: A Prospective Observational Study in Patients Undergoing TAVR

Association Between Respiratory Stability Time and Recovery After General Anesthesia in Patients Undergoing Transcatheter Aortic Valve Replacement: A Prospective Observational Study - RSTAVR Study

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000061834
Enrollment
80
Registered
2026-06-08
Start date
2026-07-01
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

Patients with aortic stenosis undergoing transcatheter aortic valve replacement

Interventions

None listed

Sponsors

University of Toyama
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patients aged 18 years or older who are scheduled to undergo transcatheter aortic valve replacement (TAVR) under general anesthesia at Toyama University Hospital, in whom preoperative Respiratory Stability Time (RST) can be measured, and from whom written informed consent can be obtained from the patient or a legally authorized representative.

Exclusion criteria

Exclusion criteria: Patients meeting any of the following criteria will be excluded: Inability to undergo preoperative Respiratory Stability Time (RST) measurement Inability to obtain information required for postoperative delirium assessment Inability to obtain written informed consent from the patient or a legally authorized representative Patients judged by the principal investigator to be unsuitable for participation in this study

Design outcomes

Primary

MeasureTime frame
Incidence of postoperative delirium within 7 days after surgery or during hospitalization, assessed using the Confusion Assessment Method for the Intensive Care Unit (CAM-ICU).

Secondary

MeasureTime frame
Postoperative delirium assessed using the 3-Minute Diagnostic Confusion Assessment Method (3D-CAM) Gait speed Six-minute walk distance Length of ICU/CCU stay Length of hospital stay

Countries

Japan

Contacts

Public ContactHisakatsu Ito

Toyama University Hospital Department of Anesthesiology

hisa@med.u-toyama.ac.jp0764347377

Outcome results

None listed

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