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Primary peritonitis in infancy and childhood
Insights
Primary peritonitis is a rare pediatric abdominal emergency, often linked to urinary issues. Diagnosis involves short symptom duration, urinary tract infection, and no free air on X-rays, with gram-negative bacteria now predominant.
Area of Science:
- Pediatric Surgery
- Infectious Diseases
- Gastroenterology
Background:
- Primary peritonitis is an infrequent cause of pediatric abdominal emergencies, representing 2.1% of cases.
- It frequently co-occurs with urinary or hepatic conditions, with urinary tract infections being the most common source of infection.
- Symptoms vary between infants and children, complicating preoperative diagnosis.
Purpose of the Study:
- To outline diagnostic criteria for primary peritonitis in children.
- To compare primary peritonitis with other causes of diffuse peritonitis.
- To analyze the shift in causative organisms and therapeutic approaches.
Main Methods:
- Retrospective analysis of pediatric patients diagnosed with primary peritonitis.
- Comparison of clinical presentation, diagnostic findings, and microbiological data.
- Review of treatment outcomes, including surgical versus non-surgical interventions.
Main Results:
- Key diagnostic indicators include a short symptom duration, concurrent urinary tract infection, and absence of free air on abdominal radiography.
- Gram-negative bacteria have become the predominant causative agents (69%), a shift from historical trends.
- Antibiotic therapy targeting gram-negative organisms and surgical intervention (exploratory laparotomy with appendectomy) are standard treatments.
Conclusions:
- Primary peritonitis requires a high index of suspicion, with specific clinical and radiological findings aiding diagnosis.
- The changing microbial landscape necessitates adjustments in antibiotic selection.
- Surgical intervention is generally indicated, but abdominal paracentesis may be considered in high-risk patients.
Abstract:
Primary peritonitis, rarely diagnosed preoperatively, is an uncommon disease accounting for 2.1% of all pediatric abdominal emergencies. It is often associated with urinary or hepatic pathology, the former the source of the infecting organism in the majority of cases, and presents with characteristic symptoms depending upon whether it occurs in infancy or childhood. The symptoms and signs which allow for a positive prospective diagnosis are illustrated by comparing this disease to those entities with which it is most often confused, e.g. diffuse peritonitis of other etiologies, and include a short duration of symptoms, associated urinary tract infection and an absence of free air on abdominal roentgenograms. In the past, gram positive organisms were the most common infecting agent; however, in this series gram negative bacteria accounted for 69% or the organisms. Antibiotics with a gram negative spectrum and exploratory laparotomy with appendectomy are the hallmarks of therapy, the latter replaced by abdominal tap only in the patient who satisfies the criteria for primary peritonitis and in whom an associated disease makes the risk of surgery prohibitive.
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