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Sick patients discharge early from hospitals because of noise.
Sound and noise pollution in hospitals regularly exceeds international recommendations, according to new research.
One study suggests that the issue is a common concern among patients, families, and staff.
Research has shown that four out of 10 patients (40%) are irritated or disturbed by noise at night.
Noise is even found in intensive care units.
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An editorial of the BMJ medical journal says the problem is getting worse
Dr. Andreas Xyrichis, lead author, said: "Even in intensive care units, which house the most vulnerable patients, noise levels above 100 dB have been measured, which equates to loud music with headphones. "
The noise in hospitals is also known to hinder communication between staff members, which causes trouble, irritation and fatigue, thus harming the quality and safety of health care.
High noise levels and noise-induced stress can negatively impact staff performance and well-being, compromising management behaviors and contributing to burnout, they said.
Dr. Xyrichis added, "We know that hospital noise has disruptive consequences on sleep – machine sounds in particular have a more negative effect on arousal than human voices.
"Recovery after hospitalization is also compromised.
"For example, the incidence of rehospitalization in coronary heart patients treated during noisy periods was higher than in those treated during quieter periods."
Patients who have to stay in the hospital for several nights indicated that they felt trapped and stressed, resulting in early discharge demands and increased risk of trauma and readmission.
The researchers said that the means of measuring the noise perception of patients so far were limited and that further research was needed in this area.
Alarms, televisions, trolleys and ringing phones, as well as conversations between staff, visitors and patients are only a small number of potential sources of noise in hospitals.
Patients do not perceive all sounds as sound disturbances. For example, some find the sound of the tea cart pleasant, associating it with the receipt of a hot drink.
Dr. Xyrichis said: "Actions taken to address this issue include ear plugs, noise alert systems, sound treatment panels, educational initiatives, and noise abatement protocols. which have brought some benefits.
"However, up until now, patients have been considered passive recipients of hospital noise rather than active participants in its creation.
"It is essential that future solutions involve more patient involvement.
"Guides on potential service noises could also help patients better understand their environment and increase their relaxation.
"Sound masking – the addition of optimized broadband background noise for particular environments to reduce noise-induced disturbance – has also been widely used in open-plan offices for many years and has not been widely used. has recently been shown to be promising for improving sleep in hospitals. "
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