• C Stephens, K Daffurn, and S Middleton.
• Aust Crit Care. 1995 Mar 1;8(1):20-3, 26.

AbstractIn February 1991, the Intensive Care Unit (ICU) at Liverpool Hospital was extended and relocated to a larger area. It soon became apparent that noise levels within the newly renovated unit were particularly worrying to patients, staff and relatives. A Continuous Quality Improvement (CQI) group was formed to investigate, and develop measures to reduce these noise levels. Through the implementation of various CQI tools a study plan was developed to investigate the noise problem. The study plan included: a patient, relative and staff questionnaire; a literature search; identification of levels of noise using a sound level meter; contracting a noise consultant to visit and review the ICU environment. The results of the CQI investigations revealed that there was an inappropriately high level of noise in the ICU. Several key contributing factors were also identified. These findings provided the basis for several positive measures to be undertaken including: the installation of sound absorbing ceilings; removal of rubbish bin lids; revision of the telephone ringing system; revision of the mobile x-ray machine; prioritisation of audible machine alarms; education of staff in noise level awareness; The application of the Continuous Quality Improvement (CQI) process to the noise problem facilitated the exploration of the source of noise, the effects on staff and patients, and ways to reduce noise levels in the intensive care environment.

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