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EMERGENCY NURSES ASSOCIATION AIR
&
SURFACE TRANSPORT NURSES ASSOCIATION JOINT POSITION STATEMENT
STAFFING OF CRITICAL CARE AIR MEDICAL TRANSPORT SERVICES
STATEMENT OF PROBLEM
There are no nationally supported minimum standards for the qualifications of health care providers actively participating in the air ambulance transport of critically ill and/or injured patients.
SIGNIFICANCE
Currently, resources are available to all geographic areas of the United States for the provision of air ambulance transport, either helicopter and/or fixed wing, of critically ill or injured patients. Each air medical transport program provides services to a large geographic area usually encompassing multiple counties and often several states. Policies and regulations regarding the provision of patient care may vary significantly from one political area to another. Air medical transport of critical patients requires highly sophisticated, specialized, medical and nursing knowledge and clinical skills to assure the provision of an adequate level of care. Medical care providers referring and receiving patients and also public consumers utilizing air transport services should be able to expect a nationally consistent level of care.
The number of air medical transport services throughout the country establishes a significant need to develop minimum standards for the qualifications of air medical care providers that will be nationally endorsed and supported. To assure the provision of appropriate aeromedical care to the consumers of these services, the skill and training of the personnel must be commensurate with the rapidly advancing sophistication of methodologies and equipment for providing critical care in the complex environment of air transport.
BACKGROUND
The initial use of helicopter and fixed-wing transport of critically ill and/or injured patients in the modern sense can be traced primarily to the military experience during the Korean and Vietnam conflicts. Helicopters were utilized to rapidly transport wounded soldiers from the battlefield to field hospitals. Although physicians were occasionally used on an experimental basis in these settings, military medics were the principal care providers on the evacuation helicopters. Once initially treated at field hospitals, some patients were later transferred to larger facilities in Southeast Asia and the U.S. with military flight nurses on large fixed-wing aircraft.
Civilian use of this concept in the U.S. began in the mid to late 1960's with the informal initiation of several private and public service operated fixed-wing and helicopter transport services. These early services utilized a variety of medical crew members including physicians, nurses and prehospital personnel.
The first formal hospital-based helicopter transport service was initiated in October of 1972 at St. Anthonys Hospital in Denver, Colorado. By June 1986, there were approximately 140 hospital-based helicopter transport services (HBHTS) in operation throughout the United States. Most HBHTS provide services within a 130-mile radius from the base facility. For those programs also providing hospital-based fixed-wing transport services (HBFWTS), the primary service area is usually extended to approximately 500 miles from the base facility. Several HBFWTS services also routinely provide transport to all areas of the continental U.S. and to international and intercontinental locations.
The growing demand for highly sophisticated air medical transport services has, in part, been the result of the rapidly growing technological complexity of medical care for critically ill and injured patients. The most sophisticated and technologically advanced treatments are only available at regional referral centers usually located in large metropolitan areas. A need was created, therefore, to transfer those patients requiring such care to the regional referral centers. Because of the distance and time involved and because of a need to maintain a comparable level of care during transport, critical care air
medical transport services were found to be best suited to accomplish the patient transfer.
In 1984, the National Flight Nurses Association (NFNA) now the Air & Surface Transport Nurses Association (ASTNA) conducted a survey of all 103 hospital-based air medical transport services in operation at that time. Of the 83 services that responded, 46% provided both fixed wing and helicopter transport services. It is important to note that 97% of the responding 83 services utilized registered professional nurses as routine members of the medical flight crew. The medical crew configurations were reported as follows:
One RN 20%
Two RN 15%
One RN/One Staff MD 14%
One RN/One Resident 7%
One RN/One Paramedic 27%
One RN/One Physician Assistant 3%
One RN/One Respiratory Therapist 5%
Paramedics Only 3%
The 2000 Medical Crew Survey published in the September/October 2000 addition of
the AIRMED Journal surveyed 358 air medical service providers worldwide. Of those, 119 U.S.-based programs and one international program completed the survey, a 33.5% response. In both helicopter and fixed-winged aircraft staffing missions with two medical attendants (97 %) remains the standard and 97% have an RN as part of the medical crew make-up. The Medical crew configurations were reported as follows:
Staffing Helicopter Fixed Wing
One Attendant: 3% 3%
Two Attendants: 96% 97%
One Supplemental Staff 1% 0%
RN/Paramedic 71% 61%
RN/RN 8% 8%
RN/Physician 3% 3%
RN/EMT 1% 5%
RN/other (RRT/PA) 10% 18%
Paramedic/Paramedic 5% 0%
Other 2% 5%
Paralleling the development of air medical transport systems in the U.S., ground
emergency medical services (EMS) systems were developed to provide pre-hospital
care with an emphasis on providing initial stabilization of ill and injured patients in the field and during transport to more definitive care facilities. These services primarily utilize Emergency Medical Technicians (EMT) of various levels including basic (EMT-A) and the intermediate level EMT (EMT-I) as well as the highest level of EMT, the paramedic (EMT-P). The educational preparation for the basic EMT is a 110-hour course as outlined by standards promulgated by the U.S. Department of Transportation (DOT). This course focuses on basic, initial pre-hospital care. The EMT-I has basic EMT training and receives additional instruction in performance of specified advanced pre-hospital skills. EMT-P's receive additional training and certification focusing on more advanced
pre-hospital care skills including airway management, intravenous fluid administration and administration of limited medications for initial stabilization of ill and injured patients. Several recent courses have focused on certification for the Critical Care Transport EMT-P.
With the explosion of sophisticated techniques, the medical and nursing professions have developed the ability to monitor and maintain the physiologic requirements of the body in situations of extreme stress and compromise. Use and understanding of equipment and techniques such as mechanical ventilators, central venous catheters and monitors, arterial catheters and monitors, intra-aortic balloon pumps, and cardiac assist pumps have made significant improvements in the morbidity and mortality of critically ill and injured patients. In addition to highly sophisticated equipment and techniques, an ever-increasing variety of medications are being utilized in emergency and critical care settings. The use of such equipment, techniques and medications depends on specialized training and a complex theoretical understanding of normal and abnormal physiologic functioning. Currently in the hospital setting, this advanced level of care is being provided by highly skilled physicians and nurses.
To adequately consider the type of medical crew members best suited to provide care for patients being transported by air medical services, it is important to understand the type of patients transported and the environment from which they are transported (whether directly from the scene of the accident or from another hospital). Based on the 1984 NFNA survey, patients with traumatic injuries and medical-cardiac conditions were the most frequent types of patients transferred by the 83 air-medical services responding. Other types of patients frequently transferred were critical neonates, burn patients, high-risk obstetrical patients and other critical surgical and medical patients.
The 1984 NFNA survey further found that the 83 responding services transported an average of 4,700 patients per month or approximately 56,000 patients per year. Seventy five percent of all patients transported by these services were inter-hospital transfers rather than scene responses. The number of patients transported per month by individual programs varied from 8 to 350. Although the percentage of patients transferred directly from the scene also varied among the responding programs (0% to 85%), 60% of these programs transferred 25% or less of their patients from the scene while 86% of these programs transferred 50% or less of their patients from the scene.
EMERGENCY NURSES ASSOCIATION AIR
&
SURFACE TRANSPORT NURSES ASSOCIATION JOINT POSITION STATEMENT
STAFFING OF CRITICAL CARE AIR MEDICAL TRANSPORT SERVICES
STATEMENT OF PROBLEM
There are no nationally supported minimum standards for the qualifications of health care providers actively participating in the air ambulance transport of critically ill and/or injured patients.
SIGNIFICANCE
Currently, resources are available to all geographic areas of the United States for the provision of air ambulance transport, either helicopter and/or fixed wing, of critically ill or injured patients. Each air medical transport program provides services to a large geographic area usually encompassing multiple counties and often several states. Policies and regulations regarding the provision of patient care may vary significantly from one political area to another. Air medical transport of critical patients requires highly sophisticated, specialized, medical and nursing knowledge and clinical skills to assure the provision of an adequate level of care. Medical care providers referring and receiving patients and also public consumers utilizing air transport services should be able to expect a nationally consistent level of care.
The number of air medical transport services throughout the country establishes a significant need to develop minimum standards for the qualifications of air medical care providers that will be nationally endorsed and supported. To assure the provision of appropriate aeromedical care to the consumers of these services, the skill and training of the personnel must be commensurate with the rapidly advancing sophistication of methodologies and equipment for providing critical care in the complex environment of air transport.
BACKGROUND
The initial use of helicopter and fixed-wing transport of critically ill and/or injured patients in the modern sense can be traced primarily to the military experience during the Korean and Vietnam conflicts. Helicopters were utilized to rapidly transport wounded soldiers from the battlefield to field hospitals. Although physicians were occasionally used on an experimental basis in these settings, military medics were the principal care providers on the evacuation helicopters. Once initially treated at field hospitals, some patients were later transferred to larger facilities in Southeast Asia and the U.S. with military flight nurses on large fixed-wing aircraft.
Civilian use of this concept in the U.S. began in the mid to late 1960's with the informal initiation of several private and public service operated fixed-wing and helicopter transport services. These early services utilized a variety of medical crew members including physicians, nurses and prehospital personnel.
The first formal hospital-based helicopter transport service was initiated in October of 1972 at St. Anthonys Hospital in Denver, Colorado. By June 1986, there were approximately 140 hospital-based helicopter transport services (HBHTS) in operation throughout the United States. Most HBHTS provide services within a 130-mile radius from the base facility. For those programs also providing hospital-based fixed-wing transport services (HBFWTS), the primary service area is usually extended to approximately 500 miles from the base facility. Several HBFWTS services also routinely provide transport to all areas of the continental U.S. and to international and intercontinental locations.
The growing demand for highly sophisticated air medical transport services has, in part, been the result of the rapidly growing technological complexity of medical care for critically ill and injured patients. The most sophisticated and technologically advanced treatments are only available at regional referral centers usually located in large metropolitan areas. A need was created, therefore, to transfer those patients requiring such care to the regional referral centers. Because of the distance and time involved and because of a need to maintain a comparable level of care during transport, critical care air
medical transport services were found to be best suited to accomplish the patient transfer.
In 1984, the National Flight Nurses Association (NFNA) now the Air & Surface Transport Nurses Association (ASTNA) conducted a survey of all 103 hospital-based air medical transport services in operation at that time. Of the 83 services that responded, 46% provided both fixed wing and helicopter transport services. It is important to note that 97% of the responding 83 services utilized registered professional nurses as routine members of the medical flight crew. The medical crew configurations were reported as follows:
One RN 20%
Two RN 15%
One RN/One Staff MD 14%
One RN/One Resident 7%
One RN/One Paramedic 27%
One RN/One Physician Assistant 3%
One RN/One Respiratory Therapist 5%
Paramedics Only 3%
The 2000 Medical Crew Survey published in the September/October 2000 addition of
the AIRMED Journal surveyed 358 air medical service providers worldwide. Of those, 119 U.S.-based programs and one international program completed the survey, a 33.5% response. In both helicopter and fixed-winged aircraft staffing missions with two medical attendants (97 %) remains the standard and 97% have an RN as part of the medical crew make-up. The Medical crew configurations were reported as follows:
Staffing Helicopter Fixed Wing
One Attendant: 3% 3%
Two Attendants: 96% 97%
One Supplemental Staff 1% 0%
RN/Paramedic 71% 61%
RN/RN 8% 8%
RN/Physician 3% 3%
RN/EMT 1% 5%
RN/other (RRT/PA) 10% 18%
Paramedic/Paramedic 5% 0%
Other 2% 5%
Paralleling the development of air medical transport systems in the U.S., ground
emergency medical services (EMS) systems were developed to provide pre-hospital
care with an emphasis on providing initial stabilization of ill and injured patients in the field and during transport to more definitive care facilities. These services primarily utilize Emergency Medical Technicians (EMT) of various levels including basic (EMT-A) and the intermediate level EMT (EMT-I) as well as the highest level of EMT, the paramedic (EMT-P). The educational preparation for the basic EMT is a 110-hour course as outlined by standards promulgated by the U.S. Department of Transportation (DOT). This course focuses on basic, initial pre-hospital care. The EMT-I has basic EMT training and receives additional instruction in performance of specified advanced pre-hospital skills. EMT-P's receive additional training and certification focusing on more advanced
pre-hospital care skills including airway management, intravenous fluid administration and administration of limited medications for initial stabilization of ill and injured patients. Several recent courses have focused on certification for the Critical Care Transport EMT-P.
With the explosion of sophisticated techniques, the medical and nursing professions have developed the ability to monitor and maintain the physiologic requirements of the body in situations of extreme stress and compromise. Use and understanding of equipment and techniques such as mechanical ventilators, central venous catheters and monitors, arterial catheters and monitors, intra-aortic balloon pumps, and cardiac assist pumps have made significant improvements in the morbidity and mortality of critically ill and injured patients. In addition to highly sophisticated equipment and techniques, an ever-increasing variety of medications are being utilized in emergency and critical care settings. The use of such equipment, techniques and medications depends on specialized training and a complex theoretical understanding of normal and abnormal physiologic functioning. Currently in the hospital setting, this advanced level of care is being provided by highly skilled physicians and nurses.
To adequately consider the type of medical crew members best suited to provide care for patients being transported by air medical services, it is important to understand the type of patients transported and the environment from which they are transported (whether directly from the scene of the accident or from another hospital). Based on the 1984 NFNA survey, patients with traumatic injuries and medical-cardiac conditions were the most frequent types of patients transferred by the 83 air-medical services responding. Other types of patients frequently transferred were critical neonates, burn patients, high-risk obstetrical patients and other critical surgical and medical patients.
The 1984 NFNA survey further found that the 83 responding services transported an average of 4,700 patients per month or approximately 56,000 patients per year. Seventy five percent of all patients transported by these services were inter-hospital transfers rather than scene responses. The number of patients transported per month by individual programs varied from 8 to 350. Although the percentage of patients transferred directly from the scene also varied among the responding programs (0% to 85%), 60% of these programs transferred 25% or less of their patients from the scene while 86% of these programs transferred 50% or less of their patients from the scene.