Reliability of an automatic ultrasound system in the post partum period in measuring urinary retention

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Abstract

Background.

Urinary retention in the post partum period may lead to short- and long-term complications.

Objective.

To investigate the reliability of an automatic ultrasound system to measure the volume of the bladder post partum.

Methods.

About 85 women, who delivered vaginally were observed 6 hr post partum. When the bladder volume measured by Bladder, Scan™ BVI 3000® was more than 300 ml, it was compared with the bladder volume measured by catheterization.

Results.

Ten additional catheterizations were performed by using BladderScan™ BVI 3000®, when compared with the number of estimated catherizations based on clinical indications. Eight women had a residual volume of more than 300 ml, of whom two got an indwelling catheter. Using Bland-Altman methods, there was no significant difference in volumes measured by BladderScan™ BVI 3000® or by catheterization. Also, there was no significant difference between two observers.

Conclusion.

The BladderScan™ BVI 3000® is a reliable and non-invasive method to recognize urinary retention in the post partum period.

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