Iatrogenic radial arteriovenous fistula

A 62-year-old female underwent successful primary percutaneous coronary intervention for an acute anterior wall myocardial infarction via the right radial artery access. The patient presented 3 months later for a routine follow-up. There was a dilated superficial vein at the level of the distal right radial artery, with a palpable thrill at the access site (figure 1A). Subsequent Doppler ultrasound imaging demonstrated a radial arteriovenous fistula with a neck of 2 mm (figure 1B; see online supplementary video 1)supplementary video 1). The brachial angiography showed a right radial artery to venous fistula with multiple collateral veins (figure 1C; see online supplementary video 2)supplementary video 2). The patient was managed conservatively as she was asymptomatic, and the shunt was haemodynamically insignificant. Figure 1(A) Dilated vein (arrow) over the distal right forearm. (B) Colour Doppler imaging showing  a radial arteriovenous fistula (arrow). (C) Selective brachial artery angiography showing a radial arteriovenous fistula with...
Source: Heart Asia - Category: Cardiology Authors: Tags: Images in cardiovascular medicine Source Type: research