Elsevier

The Journal of Hand Surgery

Volume 42, Issue 4, April 2017, Pages 295.e1-295.e6
The Journal of Hand Surgery

Scientific article
Radial Artery Pseudoaneurysm

https://doi.org/10.1016/j.jhsa.2017.01.024Get rights and content

Purpose

To review the causes, clinical course, and management of patients with catheter-associated radial artery pseudoaneurysm (PSA).

Methods

We reviewed all patients diagnosed with radial artery PSA resulting from arterial line placement or radial artery access for cardiac procedures from 2010 to 2015.

Results

We identified 11 cases: 5 caused by arterial lines and 6 by cardiac procedures. The diagnosis was confirmed by duplex ultrasound in all cases; PSA size ranged from less than 1 cm to 5 cm in diameter. Spontaneous thrombosis (over a mean of 27 days) occurred in 4 patients; each PSA was smaller than 3 cm. Surgery was performed in 7 patients with excision of the stalk and repair of the artery as the most common procedure. Only one case was performed emergently for acute carpal tunnel syndrome. Complications occurring owing to either the PSA or the treatment were recorded in 5 patients.

Conclusions

Spontaneous thrombosis may occur in smaller lesions over a few weeks. When required, surgery to evacuate the hematoma and repair the artery was effective in all cases.

Type of study/level of evidence

Therapeutic IV.

Section snippets

Materials and Methods

We performed a retrospective chart review to identify patients diagnosed with radial artery PSA from 2010 to 2015 at 3 urban academic hospitals. We identified 903 patients by Current Procedural Terminology codes associated with cardiac catheterization and radial arterial monitoring and 1,922 patients with International Classification of Diseases, Ninth Revision codes for aneurysm. We cross-referenced both cohorts individually, which yielded 264 patients. This group then underwent a text search

Results

We identified 11 patients with catheter-associated radial artery PSA over the 5-year period. The most commonly affected patients were those in the seventh or eighth decade of life who had a radial artery access procedure for an urgent indication (eg, myocardial infarction, stroke) (Table 1). Arterial line monitoring caused PSA in 5 patients and radial artery access for cardiac catheterization in 6. All patients except one were receiving anticoagulant agents. Duplex ultrasound was used to

Discussion

Radial artery PSA is a rare complication.3 However, as the frequency of radial artery access for procedures increases,4, 5 hand surgeons may increasingly encounter complications. The natural history of PSA in the radial artery is unknown and management principles are largely extrapolated from experience with femoral artery lesions.2 Rupture of a femoral artery false aneurysm may have life- and limb-threatening consequences such as shock, stroke, and ischemia.6 It is unclear whether the same

References (21)

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    The main advantages are related to a reduced risk of complications, mainly hemorrhage and vessel damage.1,2 Radial artery pseudoaneurysms (RAP) represent a rare complication, occurring in less than 0.1%.2,3 Even if rare, unrecognized RAP could represent a complex situation when patients require ICU admission and radial artery catheterization for hemodynamic monitoring and blood sampling.

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