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The lap belt complex: intestinal and lumbar spine injury in children
K D Newman1, L M Bowman, M R Eichelberger
1Department of Surgery, George Washington University Medical School, Children's National Medical Center, Washington, D.C. 20010.
Insights
Children wearing lap belts in car crashes can suffer severe intestinal and spinal injuries, known as "lap belt syndrome." Early diagnosis with lateral spine X-rays and other methods is crucial to prevent complications.
Area of Science:
- Pediatric Traumatology
- Emergency Medicine
- Orthopedic Surgery
Background:
- Motor vehicle crashes are a significant cause of blunt trauma in children.
- Lap-style seat belts, while intended for safety, can cause specific injuries in pediatric occupants.
- The
- lap belt syndrome
- refers to a spectrum of injuries associated with lap belt use.
Purpose of the Study:
- To investigate the incidence and characteristics of injuries associated with lap belt use in children.
- To evaluate the diagnostic accuracy of imaging modalities for lap belt injuries.
- To recommend optimal diagnostic and management strategies for pediatric lap belt injuries.
Main Methods:
- Retrospective review of pediatric blunt trauma admissions over three years.
- Analysis of children involved in motor vehicle crashes while wearing safety belts.
- Correlation of clinical presentation, imaging findings (CT scan, lateral radiographs), and surgical outcomes.
Main Results:
- Ten children sustained lap belt injuries, including lumbar spine and/or intestinal injuries.
- A characteristic transverse abdominal ecchymosis was present in all affected children.
- CT scans showed limited reliability for diagnosing spinal and intestinal injuries; lateral radiographs were essential for spinal diagnosis.
Conclusions:
- Children using lap belts are at risk for a distinct pattern of injuries, the
- lap belt complex.
- Diagnosis requires a high index of suspicion and specific imaging.
- Early diagnosis and intervention, including lateral spine X-rays, peritoneal lavage, and laparotomy, are recommended to reduce morbidity.
Abstract:
The "seatbelt syndrome" describes intestinal and spinal injury caused by lap-style automotive restraints. More than 2,600 children were admitted to Children's National Medical Center with blunt injury in 3 years; 395 were involved in a motor vehicle crash. Ninety-five of the crash occupants (24%) were known to be wearing safety belts. Ten children sustained a "lap belt injury": five with lumbar spine injury, four with combined lumbar spine and intestinal injuries, and one child with intestinal injury. All ten children presented with a characteristic transverse abdominal ecchymosis. The CT scan was unreliable in evaluation of both spinal and intestinal injury. Lateral radiographs were required for definitive diagnosis in eight of nine children with lumbar spinal injury. CT scan was clearly diagnostic in only one of five children with intestinal injury. Children wearing lap belts are at risk of a "lap belt complex." Lateral spine X-rays, peritoneal lavage, and early laparotomy are recommended to establish an accurate diagnosis and to decrease morbidity.