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Hematuria and intravenous pyelography in pediatric blunt renal trauma
P F Middlebrook1, J F Schillinger
1Division of Urology, Children's Hospital of Eastern Ontario, Ottawa.
Insights
Urgent radiologic investigation for pediatric blunt renal trauma is recommended only when hematuria exceeds 40 red blood cells per high-power field, excluding major injuries and hypotension. This approach optimizes diagnostic imaging for pediatric renal injuries.
Area of Science:
- Pediatric Urology
- Emergency Medicine
- Radiology
Background:
- Traditional protocols for investigating blunt renal trauma in children are being re-evaluated.
- Increasing societal awareness of healthcare costs necessitates cost-effective diagnostic strategies.
Purpose of the Study:
- To establish criteria for urgent radiologic investigation in pediatric blunt renal trauma.
- To identify specific indicators for initiating intravenous pyelography in children with suspected renal injuries.
Main Methods:
- Retrospective review of 138 children with blunt renal trauma over a 5-year period.
- Analysis of patient data to determine thresholds for diagnostic imaging.
Main Results:
- A threshold of 40 red blood cells per high-power field in urine is proposed for urgent investigation.
- This recommendation applies in the absence of suspected major injuries and hypotension.
Conclusions:
- Urgent intravenous pyelography in pediatric blunt renal trauma should be guided by specific hematuria levels.
- This approach aims to reduce unnecessary investigations and associated healthcare costs while ensuring appropriate care for significant injuries.
Abstract:
Because the traditional protocol for investigating blunt renal trauma in children has been questioned and because of societal awareness of health care costs, the authors carried out a retrospective review of blunt renal trauma in 138 children over a 5-year period to establish criteria for urgent radiologic investigation of those with suspected renal trauma. From their findings, they recommend that in the absence of the suspected major injuries and hypotension a threshold count of 40 red blood cells per high-power field is necessary before urgent intravenous pyelography should be done.