S Huebner1, M H Reed. 1. Department of Radiology, Health Sciences Centre, Section of Pediatric Radiology, Winnipeg, Manitoba, Canada.
Abstract
OBJECTIVE: A recent article suggested that routine follow-up imaging is still frequently used in the conservative management of splenic trauma in children. The purpose of this study was to use decision analysis to assess the value of routine imaging as part of the long-term follow-up of splenic injury in children managed nonoperatively. METHODS: A literature review (1970-1999) on the management of blunt splenic trauma in children was performed. Data, including the use of follow-up imaging and the occurrence of delayed splenic rupture and death, on those patients managed nonoperatively were collected. The data were used to construct a decision tree. A Poisson distribution was used to determine the risk of delayed splenic rupture. RESULTS: Information was extracted from 26 cohort studies. Nineteen of these studies were retrospective and six were prospective. One study had both retrospective and prospective arms. The study population consisted of 1,083 children. Of these patients, 920 (85 %) underwent routine follow-up imaging (US, CT, or scintigraphy). Follow-up imaging was either not performed or selectively performed in 163 patients (15 %). No cases of post-discharge splenic rupture or death were encountered in any of these groups. The maximum risk of delayed splenic rupture in the entire group was 0.3 % (0-3.7 cases). CONCLUSION: The risk of delayed splenic rupture following blunt injury in children is very low, and is apparently unaffected by imaging protocols. No deaths, even in cases of delayed presentation, were identified in our study. These findings do not support the use of routine follow-up imaging of children with blunt splenic trauma.
OBJECTIVE: A recent article suggested that routine follow-up imaging is still frequently used in the conservative management of splenic trauma in children. The purpose of this study was to use decision analysis to assess the value of routine imaging as part of the long-term follow-up of splenic injury in children managed nonoperatively. METHODS: A literature review (1970-1999) on the management of blunt splenic trauma in children was performed. Data, including the use of follow-up imaging and the occurrence of delayed splenic rupture and death, on those patients managed nonoperatively were collected. The data were used to construct a decision tree. A Poisson distribution was used to determine the risk of delayed splenic rupture. RESULTS: Information was extracted from 26 cohort studies. Nineteen of these studies were retrospective and six were prospective. One study had both retrospective and prospective arms. The study population consisted of 1,083 children. Of these patients, 920 (85 %) underwent routine follow-up imaging (US, CT, or scintigraphy). Follow-up imaging was either not performed or selectively performed in 163 patients (15 %). No cases of post-discharge splenic rupture or death were encountered in any of these groups. The maximum risk of delayed splenic rupture in the entire group was 0.3 % (0-3.7 cases). CONCLUSION: The risk of delayed splenic rupture following blunt injury in children is very low, and is apparently unaffected by imaging protocols. No deaths, even in cases of delayed presentation, were identified in our study. These findings do not support the use of routine follow-up imaging of children with blunt splenic trauma.
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