Management of splenic injuries in a Canadian trauma centre

Objectives

To document the current practice pattern for the treatment of splenic injuries in one Canadian trauma centre and to identify factors that determined which method was employed.

Design

A cohort study.

Setting

A Canadian lead trauma centre.

Patients

A cohort of 100 patients with splenic injury treated at one trauma hospital over 5 years was identified from a prospective trauma database.

Main Outcome Measures

The success rate and failure rate for splenic salvage by splenectomy, splenorrhaphy or observation. Volume of blood transfused, injury severity score (ISS) and method of diagnosis.

Results

The median ISS for the cohort was 34 (36 for splenectomy, 38 for splenorrhaphy and 35 for observation). A blunt mechanism of injury was present in 96%. The diagnosis was made by computed tomography (CT) in 55%. Splenic salvage was accomplished in 51 patients; of these, 44 (86%) were in the observation group, and the success rate was 90% (within the range reported in the literature). Only seven patients underwent splenorrhaphy. CT was performed more frequently in the observation group than in the splenectomy group (82% v. 25%, p < 0.0001). The splenectomy group had more blood tranfused than the successful observation group (mean units 15 v. 3, p = 0.0001) and had a higher median ISS (36 v. 29, p = 0.02). Multivariate analysis revealed that the method of diagnosis (CT v. diagnostic peritoneal lavage) was the strongest factor associated with how the splenic injury was treated.

Conclusions

The finding in this report of an increase in observational treatment of splenic injuries represents a shift in practice from a previous Canadian report and is in keeping with recent published trends from the United States. Future studies are needed to assess whether any strong regional practice pattern variations in the management of blunt splenic injuries exists in other trauma centres across Canada.