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Updated: May 17, 2026

Measuring Diaphragm Thickness and Function Using Point-of-Care Ultrasound

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Published on: November 3, 2023

Direct sunlight and ventilator weaning outcomes.

Phillip M Wise¹, David S Wallace

¹Respiratory Care Department, Highsmith Rainey Specialty Hospital, Cape Fear Valley Health System, Fayetteville, North Carolina 28301, USA. pwise@broncos.uncfsu.edu

Holistic Nursing Practice

|October 19, 2012

Summary

This summary is machine-generated.

Patients receiving long-term mechanical ventilation (MV) who had rooms with more sunlight exposure showed quicker recovery and removal from ventilators. This highlights the potential benefits of natural light in critical care settings.

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Published on: January 30, 2026

Area of Science:

Environmental Health
Critical Care Medicine
Pulmonology

Background:

Long-term mechanical ventilation (MV) is a critical care intervention with significant patient impact.
Hospital room environmental factors, such as natural light, are increasingly recognized for their potential influence on patient recovery.
Optimizing the healing environment is crucial for improving patient outcomes in intensive care units.

Purpose of the Study:

To investigate the association between natural sunlight exposure in hospital rooms and the speed of ventilator weaning in patients requiring long-term mechanical ventilation.
To determine if window access to direct sunlight influences the duration of mechanical ventilation support.

Main Methods:

A comparative study design was employed, analyzing patient outcomes based on room assignment.
Patients were categorized according to the level of direct sunlight access provided by their assigned hospital room windows.
Ventilator weaning time was the primary outcome measure, compared between groups with high and low sunlight exposure.

Main Results:

Patients assigned to rooms with greater direct sunlight access demonstrated significantly faster ventilator weaning times compared to those in rooms with less sunlight.
The findings support the hypothesis that increased natural light exposure positively impacts recovery from mechanical ventilation.

Conclusions:

Direct sunlight exposure in hospital rooms may accelerate ventilator weaning outcomes for patients on long-term mechanical ventilation.
Environmental modifications, specifically maximizing natural light, could be a valuable, non-invasive strategy to enhance recovery in critical care settings.