• R F Gochman, R B Karasic, and M B Heller.
• Pennslylvania. University of Pittsburgh School of Medicine, Department of Pediatrics.
• Ann Emerg Med. 1991 Jun 1;20(6):631-5.

Study ObjectiveTo determine whether portable ultrasound can improve the success rate of suprapubic aspiration (SPA).DesignPatients were randomly assigned to either ultrasound or no ultrasound groups. In the ultrasound group, patients underwent SPA if ultrasound revealed urine in the bladder: if no urine was present, patients underwent catheterization instead of SPA. In the no-ultrasound group, SPA was attempted without ultrasound. All unsuccessful SPAs were followed by catheterization and measurement of urine volume.SettingChildren's hospital-based pediatric emergency department.ParticipantsChildren less than 2 years old who required SPA.InterventionsUltrasound versus no ultrasound.ResultsThirty-five patients were randomized to the ultrasound group, and 31 were randomized to the no-ultrasound group. SPA was successful in 79% of attempts in the ultrasound group compared with 52% in the no-ultrasound group (P = .04). The sensitivity and specificity of ultrasound were 90% and 86%, respectively.ConclusionPortable ultrasound can significantly improve the success rate of SPA and limit nonproductive attempts at SPA.

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