Prehospital Trauma Life Support

Prehospital Trauma Life Support
Name	Prehospital Trauma Life Support
Abbreviation	PHTLS
Discipline	Emergency medicine
Established	1980s
Developer	National Association of Emergency Medical Technicians
Publisher	Journal of Trauma and Acute Care Surgery
Format	Course, certification, textbook

Prehospital Trauma Life Support is a structured curriculum for out-of-hospital care of injured patients designed to standardize training for emergency medical technicians, paramedics, and prehospital providers. The program connects field interventions with hospital-based systems and aligns with guidelines promulgated by authorities such as World Health Organization, American College of Surgeons, and Centers for Disease Control and Prevention. It emphasizes rapid assessment, hemorrhage control, airway management, and triage within integrated emergency medical services and trauma systems like those in United States, United Kingdom, and Australia.

Overview

PHTLS presents a concise algorithm for lifesaving interventions modeled on concepts from Advanced Trauma Life Support, Tactical Combat Casualty Care, Prehospital Advanced Life Support, and disaster frameworks used in events such as the 2004 Indian Ocean earthquake and tsunami and the 2010 Haiti earthquake. The curriculum targets practitioners affiliated with organizations including the National Association of Emergency Medical Technicians, International Committee of the Red Cross, Royal College of Surgeons of England, and municipal services in cities like New York City, London, and Sydney. Course materials, including textbooks and practical stations, are distributed by entities tied to professional journals such as the Journal of Emergency Medical Services, the Journal of Trauma and Acute Care Surgery, and publishing houses that collaborate with academic centers like Johns Hopkins University and Harvard Medical School.

History and Development

PHTLS emerged during the 1980s amid efforts by groups including the National Association of Emergency Medical Technicians and clinicians from institutions like University of Maryland School of Medicine and Massachusetts General Hospital to adapt hospital trauma paradigms for prehospital contexts. Early influences included the Vietnam War medical evacuations, civilian adaptations from military programs such as Tactical Combat Casualty Care, and seminal works published in venues like the Annals of Emergency Medicine and The Lancet. Subsequent revisions incorporated recommendations from panels convened by the American College of Surgeons and international meetings hosted by the World Health Organization and the Pan American Health Organization.

Principles and Protocols

Core PHTLS principles reflect priorities advanced by the American College of Surgeons Committee on Trauma, the Resuscitation Council (UK), and standards found in guidance from World Health Organization emergency care initiatives. Protocols stress hemorrhage control informed by lessons from the Iraq War and Afghanistan conflict, airway strategies paralleling Advanced Cardiac Life Support and devices endorsed by agencies such as the European Resuscitation Council, and immobilization approaches debated at symposia attended by members from Royal Australasian College of Surgeons and Canadian Association of Emergency Physicians. Triage algorithms echo mass-casualty models used in incidents like the Oklahoma City bombing and the Manchester Arena bombing.

Assessment and Management (Primary and Secondary Survey)

The PHTLS primary survey adapts the ABCDE mnemonic used in Advanced Trauma Life Support and taught in courses by institutions such as Royal College of Surgeons of England and American Heart Association. Assessment integrates physiologic data commonly collected in registries like the National Trauma Data Bank and scoring systems developed at centers including Johns Hopkins Hospital and R Adams Cowley Shock Trauma Center. Secondary survey procedures incorporate imaging and diagnostic escalation pathways aligned with protocols from Mayo Clinic, Cleveland Clinic, and trauma centers accredited by the American College of Surgeons Committee on Trauma.

Skills and Training Standards

Training standards for PHTLS parallel certification frameworks managed by the National Association of Emergency Medical Technicians and continuing education criteria promulgated by licensing bodies such as the National Registry of Emergency Medical Technicians and regional regulators in California, Ontario, and New South Wales. Practical skills include airway techniques taught alongside suppliers of devices used by Medtronic and Smith & Nephew, hemorrhage control using tourniquets promoted after analyses of military care from United States Central Command, and extrication tactics coordinated with fire services such as the New York City Fire Department and London Fire Brigade.

Implementation and Systems Integration

Adoption of PHTLS occurs within integrated systems incorporating dispatch centers in municipalities like Chicago, Toronto, and Melbourne, paired with trauma networks modeled on programs in Germany and Japan. Implementation requires coordination with hospitals accredited by the American College of Surgeons, public health agencies such as Centers for Disease Control and Prevention, and disaster preparedness plans exemplified by exercises run by Federal Emergency Management Agency and the World Health Organization. Data linkage with registries like the Trauma Audit & Research Network and the National Trauma Data Bank supports quality improvement and system-wide performance metrics.

Evidence, Outcomes, and Controversies

Evaluations of PHTLS draw on studies published in journals like the Journal of Trauma and Acute Care Surgery, Prehospital Emergency Care, and Resuscitation, with outcomes compared to alternate models including Tactical Combat Casualty Care and civilian advanced life support protocols used in trials at centers like Vanderbilt University Medical Center and University of Pennsylvania Health System. Debates address the impact of spinal immobilization guided by research from St. Michael's Hospital and the efficacy of routine long-board use challenged by analyses from Karolinska Institute and University of Toronto. Controversies also surround scope of practice regulations overseen by bodies such as the National Registry of Emergency Medical Technicians, funding priorities debated in forums hosted by the Gates Foundation and implementation variability between systems in Brazil and South Africa.

Category:Emergency medical services