Extravasation of the contrast media during voiding cystourethrography in a long-term spinal cord injury patient

Abstract

Objective:

To present complications and pitfalls in voiding cystourethrography (VCUG) and introduce a guideline for performing VCUG in a long-term spinal cord injury (SCI) patient with neurogenic bladder dysfunction (NBD) and contracted bladder.

Study design:

A case report.

Setting:

Maharaj Nakorn Chiang Mai Hospital, Chiang Mai, Thailand.

Method:

We describe a chronic C₅ tetraplegic man with NBD and contracted bladder, who developed autonomic dysreflexia (AD), gross hematuria and extravasation of contrast median during VCUG.

Result:

A foley catheter was retained after VCUG. AD was resolved and urine cleared after a week of continuous bladder irrigation.

Conclusion:

VCUG should be performed with caution in a long-term SCI patient with NBD and contracted bladder. Forceful pushing of the contrast media by the hand-injection method caused abrupt distention of the contracted bladder, damaged bladder mucosa and aggrevated AD. We suggest a guideline as follows: report bladder capacity and AD, if present, in an X-ray requisition form; use the gravity-drip method, stop the drip and drain the contrast media if a sudden headache and rising of blood pressure (BP) develop; observe urine colour, and report if bleeding or AD occurs.

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