Photoplethysmography using a smartphone application for assessment of ulnar artery patency: a randomized clinical trial.

ABSTRACT:

Background

Radial artery access is commonly performed for coronary angiography and invasive hemodynamic monitoring. Despite limitations in diagnostic accuracy, the modified Allen test (manual occlusion of radial and ulnar arteries followed by release of the latter and assessment of palmar blush) is used routinely to evaluate the collateral circulation to the hand and, therefore, to determine patient eligibility for radial artery access. We sought to evaluate whether a smartphone application may provide a superior alternative to the modified Allen test.

Methods

We compared the modified Allen test with a smartphone heart rate-monitoring application (photoplethysmography readings detected using a smartphone camera lens placed on the patient's index finger) in patients undergoin

SUBMITTER: Di Santo P 

PROVIDER: S-EPMC5880645 | biostudies-literature | 2018 Apr

REPOSITORIES: biostudies-literature