What room temperature is suitable for premature infants

Patient's question:

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Doctor's answer:

●Maintain a suitable environmental temperature
Premature infants have underdeveloped thermoregulatory centers, minimal subcutaneous fat, and a relatively large surface area, leading to insufficient heat production and increased heat loss. This makes their body temperature highly susceptible to changes in environmental temperature. A moderate environmental temperature helps premature infants maintain an ideal body temperature. The temperature in premature infant rooms should generally be maintained between 24°C and 26°C, with a relative humidity of 55% to 65%. Different warming measures should be provided based on the premature infant's weight, maturity, and condition. The neutral temperature of premature infants (the most suitable environmental temperature that maintains normal body temperature while minimizing metabolic rate and oxygen consumption) is typically between 32°C and 36°C. The lighter the weight, the closer the surrounding environment should be to the infant's body temperature. Therefore, premature infants often need to be placed in incubators for warmth. For infants weighing 1001–1500g, the incubator temperature should be between 32°C and 34°C; for those weighing less than 1000g, the incubator temperature should be between 34°C and 36°C.
●Reduce noise stimulation
Noise has many adverse effects on the developing brains of premature infants, including apnea, bradycardia, abrupt fluctuations in heart rate, respiratory rate, blood pressure, and blood oxygen saturation. It can also lead to long-term sequelae, such as hearing loss and attention deficit hyperactivity disorder (ADHD). International survey data shows that sound levels in NICUs range from 50 to 90 decibels, peaking at up to 120 decibels, far exceeding the Environmental Protection Agency (EPA) recommendations of 45 decibels during the day and 35 decibels at night in 1994. Therefore, caregivers should strive to create a quiet environment, such as speaking softly, especially near premature infants, and avoiding speaking near the incubator or bedside. Walking should be gentle, and shoes with loud soles should be avoided. Monitor and phone volume settings should be set to the minimum, and alarms should be responded to promptly. Avoid forcefully slamming incubator doors or knocking on them.
●Reduce light stimulation
Light has a significant impact on the brain development of premature infants. Light stimulation can increase the incidence of retinopathy of prematurity, slow growth and development, and disrupt the circadian rhythm and sleep deprivation caused by continuous lighting. However, most neonatal intensive care rooms use continuous, high-intensity fluorescent lighting. Therefore, measures must be taken to reduce light exposure to premature infants, such as drawing curtains to block sunlight, lowering indoor lighting, using light shields on incubators, and creating a dim environment similar to that inside the uterus. At least one hour of dim lighting should be ensured within 24 hours to ensure the baby's sleep.
●Reduce pain stimulation
Pain can have a series of short-term and long-term adverse effects on newborns, especially premature and critically ill infants undergoing multiple painful procedures. This should be given clinical attention and appropriate interventions, including:
- Minimizing procedures during care;
- Providing limb support (one hand holding the infant's knees to bring the legs closer to the body, while the other palm gently pressing the upper limb to bring it closer to the chest) to form a flexed posture during invasive treatments such as injections, blood draws, or suction;
- Minimizing the use of limb restraints;
- Using removal agents when removing adhesives like tape or electrodes to reduce discomfort;
- Gentle touch and non-nutritive sucking (comforting pacifiers) can also alleviate pain;
- Pain relievers should be used when necessary.