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Acute Abdominal Pain in Children
1University of Missouri-Columbia, Columbia, MO, USA.
Insights
Acute abdominal pain in children often requires prompt diagnosis. Key indicators for surgical causes include fever and specific physical exam findings, guiding differential diagnosis by age group.
Area of Science:
- Pediatrics
- Gastroenterology
- Surgical Diagnosis
Background:
- Acute abdominal pain is a frequent reason for pediatric primary care visits.
- Identifying surgical causes requires careful assessment of symptoms and signs.
- Age-specific considerations are crucial for accurate differential diagnosis in children.
Purpose of the Study:
- To outline the diagnostic approach to acute abdominal pain in children.
- To highlight age-related differential diagnoses for pediatric abdominal pain.
- To review key investigations for identifying surgical abdominal pathology in pediatric patients.
Main Methods:
- Review of clinical presentation, including fever, vomiting, diarrhea, and abdominal findings.
- Age-stratified differential diagnosis for infants, toddlers, school-aged children, and adolescents.
- Discussion of laboratory tests (CBC, ESR/CRP, urinalysis, pregnancy test) and imaging modalities (radiography, ultrasonography, CT, MRI).
Main Results:
- Surgical red flags include fever, bilious vomiting, bloody diarrhea, absent bowel sounds, guarding, rigidity, and rebound tenderness.
- Common pediatric surgical emergencies include malrotation, hernias, intussusception, and appendicitis.
- Appendicitis is the most frequent surgical cause of acute abdominal pain in adolescents.
Conclusions:
- Age-appropriate evaluation and targeted investigations are essential for managing acute abdominal pain in children.
- Ultrasonography is the preferred initial imaging for many pediatric abdominal conditions, with CT/MRI for inconclusive cases.
- Prompt diagnosis and surgical consultation are critical for conditions like appendicitis to prevent complications.
Abstract:
Acute abdominal pain accounts for approximately 9% of childhood primary care office visits. Symptoms and signs that increase the likelihood of a surgical cause for pain include fever, bilious vomiting, bloody diarrhea, absent bowel sounds, voluntary guarding, rigidity, and rebound tenderness. The age of the child can help focus the differential diagnosis. In infants and toddlers, clinicians should consider congenital anomalies and other causes, including malrotation, hernias, Meckel diverticulum, or intussusception. In school-aged children, constipation and infectious causes of pain, such as gastroenteritis, colitis, respiratory infections, and urinary tract infections, are more common. In female adolescents, clinicians should consider pelvic inflammatory disease, pregnancy, ruptured ovarian cysts, or ovarian torsion. Initial laboratory tests include complete blood count, erythrocyte sedimentation rate or C-reactive protein, urinalysis, and a pregnancy test. Abdominal radiography can be used to diagnose constipation or obstruction. Ultrasonography is the initial choice in children for the diagnosis of cholecystitis, pancreatitis, ovarian cyst, ovarian or testicular torsion, pelvic inflammatory disease, pregnancy-related pathology, and appendicitis. Appendicitis is the most common cause of acute abdominal pain requiring surgery, with a peak incidence during adolescence. When the appendix is not clearly visible on ultrasonography, computed tomography or magnetic resonance imaging can be used to confirm the diagnosis.
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