Effect of white noise versus control group on sleep quality and delirium in patients after coronary artery bypass graft surgery

Effect of white noise versus control group on sleep quality and delirium in patients after coronary artery bypass graft surgery: a randomized clinical trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20120215009014N405

Enrollment

Registered

2021-10-29

Start date

2021-11-22

Completion date

Unknown

Last updated

2021-11-01

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

Conditions

Coronary artery bypass graft surgery. Atherosclerosis of coronary artery bypass graft(s), unspecified, with angina pectoris

Interventions

Intervention 1: Intervention group: Routine treatment and care after surgery plus white sound (rain sound) in the range of 50 to 60 dB for 30 minutes through mobile headphones for three nights. Interv

Eligibility

Sex/Gender

All

Age

40 Years to 70 Years

Inclusion criteria

Inclusion criteria: Age of 40 to 70 years; Undergoing coronary artery bypass graft surgery; Literate; Full consciousness and ability of adequate hearing; Hemodynamic stability; Having a sleep disorder;

Exclusion criteria

Exclusion criteria: Having delirium; Suffering from neurological diseases

Design outcomes

Primary

Measure	Time frame
Delirium. Timepoint: Before the intervention and 3 days after that. Method of measurement: Using Delirium Observation Screening (DOS) Questionnaire.;Sleep quality. Timepoint: Before the intervention and 3 days after that. Method of measurement: Using Saint Mary Hospital Sleep Questionnaire (SMHSQ).	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactFatemeh Malekipour

Hamedan University of Medical Sciences

Fatemehmalekipour324@gmail.com+98 81 3838 0572

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026