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The role of computed tomography in blunt abdominal trauma in children
G A Taylor1, M E Fallat, B M Potter
1Department of Radiology, Children's Hospital National Medical Center, Washington, D.C. 20010.
Insights
Computed tomography (CT) effectively detects injuries in children with blunt abdominal trauma. However, CT findings, including solid organ injury severity and hemoperitoneum extent, do not reliably predict the need for laparotomy.
Area of Science:
- Pediatric Surgery
- Radiology
- Emergency Medicine
Background:
- Blunt abdominal trauma is a significant cause of morbidity in children.
- Accurate assessment of abdominal injuries is crucial for appropriate management decisions, including the need for laparotomy.
Purpose of the Study:
- To evaluate the utility of abdominal computed tomography (CT) in guiding the decision for laparotomy in pediatric patients with blunt abdominal trauma.
- To correlate CT findings with the clinical need for surgical intervention.
Main Methods:
- A retrospective analysis of 340 children with blunt abdominal trauma who underwent abdominal CT.
- Injuries were categorized by type (solid viscera, hollow viscera, skeletal), severity, and presence/extent of hemoperitoneum.
- Correlation of CT findings with the decision to perform laparotomy.
Main Results:
- CT detected abdominal injuries in 25% of patients, including solid viscera (75), hollow viscera (4), and skeletal (23) injuries.
- Solid viscera injuries included splenic, hepatic, and renal injuries.
- While CT accurately identified injury location and extent, and detected hemoperitoneum, the severity of solid organ injury and the presence of hemoperitoneum did not consistently correlate with the need for laparotomy. Only 9% of moderate to severe solid organ injuries and 25% of moderate to large hemoperitoneums required surgical exploration.
Conclusions:
- Abdominal CT is valuable for detecting the location and extent of injuries in pediatric blunt abdominal trauma.
- CT findings alone are insufficient to determine the need for laparotomy in many cases, suggesting a need for integrated clinical assessment.
- Further research may refine CT interpretation criteria for surgical decision-making in pediatric blunt abdominal trauma.
Abstract:
This study was performed in order to test the hypothesis that abdominal computed tomography (CT) can assist in the decision to perform laparotomy in children following blunt trauma to the abdomen. Three hundred forty children with blunt abdominal trauma underwent evaluation with CT. Abdominal injuries were detected in 84 children (25%). These included: 75 injuries to solid viscera in 60 patients (30 splenic, 29 hepatic, 13 renal, and three pancreatic); four injuries to hollow viscera (three small bowel transections, and one rupture of the urinary bladder); and 23 skeletal injuries (21 fractures of the pelvis, and two lumbar spine subluxations). Injury to solid viscera was categorized as minor in 32 (43%), moderate in 18 (24%), or severe in 25 (33%) according to an assessment of the percentage of parenchyma involved. Hemoperitoneum was detected in 42 patients, and characterized as small in 18 (43%), moderate in nine (21%), and large in 15 (36%). CT was useful in establishing the location and extent of injuries, and in detecting the presence of blood or air in the peritoneal cavity. However, the extent of injury to solid viscera detected on CT did not correlate with the need for laparotomy. Of 46 moderate to severe anatomic injuries of the liver, spleen or kidney, only five (9%) required surgical intervention because of persistent bleeding or infection. Although laparotomy occurred more frequently in the presence of a large hemoperitoneum, only 6/24 (25%) with moderate to large hemoperitoneum required surgical exploration. This analysis confirms the usefulness of CT for detection of location and extent of injury in pediatric blunt abdominal trauma.(ABSTRACT TRUNCATED AT 250 WORDS)