Shiftwork and heat stress in an intensive care unit

Area of Science:

• Occupational Health
• Environmental Health
• Nursing Science

Background:

• Shiftwork and heat stress pose significant challenges in healthcare settings, particularly in intensive care units.
• Understanding the physiological strain on nurses is crucial for maintaining patient care quality and staff well-being.
• Previous research has not fully elucidated the combined impact of shift schedules and microclimatic conditions on ICU nursing staff.

Purpose of the Study:

• To analyze the physiological strain experienced by nurses during different shifts (Morning, Afternoon, Night) in an intensive care unit.
• To correlate physiological responses with specific microclimatic conditions and job activities within the unit.
• To identify potential environmental and physiological challenges faced by nurses in this demanding work environment.

Main Methods:

• Monitoring of 8 professional nurses (21-38 years old) over a 4-day work cycle.
• Data collection included 25 blood parameters, 10 urine parameters, and cardiac cost measurements.
• Nurses worked a fast-rotation, three-shift system in an air-conditioned intensive care unit.

Main Results:

• No serious alterations in the psycho-physical conditions of the nurses were observed.
• Specific environmental factors within the intensive care unit were identified as potential stressors.
• Certain physiological responses indicated areas for concern regarding nurse well-being under shiftwork conditions.

Conclusions:

• The study did not reveal significant detrimental psycho-physical effects from shiftwork and heat stress in the studied ICU nurses.
• However, identified environmental and physiological issues warrant further investigation and potential intervention.
• Optimizing working conditions in intensive care units is essential for supporting nursing staff health and performance.