Clinical Report: Evaluating the Efficacy of Heated Inspired Gas for Active Warming in Trauma Patients

Background

Hypothermia is prevalent in critically ill trauma patients and is associated with increased morbidity and mortality. Effective warming strategies are essential for managing hypothermia, which can arise from various factors related to trauma. Current guidelines recommend both passive and active warming techniques, but evidence supporting specific active warming modalities, such as heated humidification, remains limited.

Data Highlights

Key Findings

• Hypothermia affects up to one-third of critically ill trauma patients.
• Heated humidification at 44°C resulted in a mean increase in core body temperature of 1.8°C.
• Passive warming strategies include the use of thermal blankets and blood transfusions.
• Current guidelines recommend active warming for patients with core temperatures between 32°C and 36°C.
• Heated humidification has been proposed since the 1970s but remains controversial regarding its efficacy.

Clinical Implications

The findings suggest that heated humidification at higher temperatures may be an effective active warming strategy for hypothermic trauma patients. Clinicians should consider incorporating this modality into their warming protocols, particularly for patients with moderate hypothermia.

Conclusion

Heated humidification of ventilator circuits was tested as an active warming strategy for trauma patients with hypothermia, particularly at elevated temperatures.

Related Resources & Content

1. Blakeman et al., Respiratory Care, 2023 -- Evaluating the Efficacy of Heated Inspired Gas for Active Warming in Trauma Patients
2. Frontiers in Medicine — Effects of Different intraoperative warming strategies on Hypothermia and Postoperative Coagulation Function in Severely Injured Emergency Surgery Patients
3. Association Between Intraoperative Temperature and Postoperative Mortality in Open Colorectal Surgery: Insights from Two Randomized Controlled Trials
4. Surgical Endoscopy — Advancements in Hyperthermic Pressurized Intraperitoneal Aerosol Chemotherapy (hPIPAC) Technology
5. Evaluating Hyperbaric Oxygen Therapy as a Treatment for Challenging Acute Wound Healing: A Systematic Review
6. The European guideline on management of major bleeding and coagulopathy following trauma: sixth edition
7. Management of Body Temperature via the Respiratory Tract
8. Hypothermia on admission predicts poor outcomes in adult trauma patients - ScienceDirect