In motor vehicle crashes resulting in airbag deployment, drivers and passengers who are not wearing seatbelts are at higher risk of cervical spine (neck) fractures and other spinal cord injuries, according to a study in the March 15 issue of Spine.

In motor vehicle crashes resulting in airbag deployment, drivers and passengers who are not wearing seatbelts are at higher risk of cervical spine (neck) fractures and other spinal cord injuries, according to a study in the March 15 issue of Spine. The journal is published by Lippincott Williams & Wilkins, a part of Wolters Kluwer Health, a leading provider of information and business intelligence for students, professionals, and institutions in medicine, nursing, allied health, pharmacy and the pharmaceutical industry.

"Airbags should be used in conjunction with seatbelts to minimize the risk of cervical spine fractures and spinal cord injuries associated with motor vehicle crashes," concludes the report by Dr. William F. Donaldson III of University of Pittsburgh and colleagues.

Using a Pennsylvania trauma database, the researchers identified crashes resulting in injuries to drivers and front-seat passengers from 1990 to 2002. The study included approximately 12,700 patients with spinal injuries—8,500 drivers and 4,200 passengers. Of these, 5,500 patients had fractures of the cervical spine.

The rate of cervical spine fractures was 54 percent in drivers using an airbag only, compared to 42 percent for drivers using both an airbag and seatbelt. With adjustment for other factors, the relative risk of cervical spine fracture was 70 percent higher for drivers using an airbag without a seatbelt, compared to drivers using both protective devices. This was even greater than the 32 percent increase in cervical fracture risk for drivers using neither an airbag nor seatbelts.

Among passengers, the risk of cervical fracture plus spinal cord injury was nearly seven times higher for those using an airbag without seatbelts (compared to both protective devices). For both drivers and passengers, women were about half as likely as men to be injured using an airbag alone.

After reaching the trauma center, patients who used an airbag only had higher injury severity scores. They also spent more time in the intensive care unit and more total time in the hospital.

Automobile airbags have been highly successful in reducing injuries resulting from frontal collisions, reducing fatality rates by about 20 percent compared to seatbelts alone. Airbags were specifically designed to be used with seatbelts—serious injuries may result in victims who, because they are not properly restrained by seatbelts, are "out of position" when airbags deploy. The new study provides important new data on patterns of injury associated with such incorrect airbag use.

The results show that drivers and passengers who use airbags without seatbelts have a higher rate of cervical spine fractures, with or without spinal cord injury, and have more severe injuries in general. The overall difference in injury severity likely reflects additional injuries to the chest, abdomen, and head. Dr. Donaldson and colleagues write, "Use of seatbelt in conjunction with the airbag and maintaining at least 10 inches between the steering column and the sternum may decrease injury severity and rate of airbag induced cervical spine and spinal cord injuries."

About Spine
Recognized internationally as the leading journal in its field, Spine is an international, peer-reviewed, bi-weekly periodical that considers for publication original articles in the field of spine and is the leading subspecialty journal for the treatment of spinal disorders. It is published by Lippincott Williams & Wilkins (www.LWW.com), a leading international publisher for healthcare professionals and students with nearly 300 periodicals and 1,500 books in more than 100 disciplines publishing under the LWW brand, as well as content-based sites and online corporate and customer services. Lippincott Williams & Wilkins is part of Wolters Kluwer Health, a leading multinational publisher and information services company. Only original papers are considered for publication with the understanding that they are contributed solely to Spine. According to the latest ISI Science Citation Impact Factor, Spine ranks highest among general orthopaedic journals and subspecialty titles. Visit the journal website at www.spinejournal.com.

About Wolters Kluwer Health
Wolters Kluwer Health (Conshohocken, PA), a division of Wolters Kluwer, is a leading provider of information and business intelligence for students, professionals, and institutions in medicine, nursing, allied health, pharmacy and the pharmaceutical industry. Major brands include traditional publishers of medical and drug reference tools and textbooks, such as Lippincott Williams & Wilkins and Facts & Comparisons; electronic information providers, such as Ovid Technologies, Medi-Span and ProVation; and pharmaceutical information providers Adis International and Source®. For more information, visit WKHealth.com.

Wolters Kluwer is a leading global information services and publishing company. The companyprovides products and services for professionals in the health, tax, accounting, corporate, financial services, legal, and regulatory sectors. Wolters Kluwer has 2006 annual revenues of €3.4 billion, employs approximately 18,450 people worldwide, and maintains operations across Europe, North America, and Asia Pacific. Wolters Kluwer is headquartered in Amsterdam, the Netherlands. Its shares are quoted on the Euronext Amsterdam (WKL) and are included in the AEX and Euronext 100 indices. For more information, visit WoltersKluwer.com.

Source - Newswise

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