Clinical investigationsEvaluation of the ulnopalmar arterial arches with pulse oximetry and plethysmography: Comparison with the Allen's test in 1010 patients
Section snippets
Methods
From June 1999 to January 2000, consecutive unselected patients referred to the catheterization laboratory for coronary angiography or intervention were prospectively examined for patency of the ulnopalmar arterial arch with the MAT and PL and OX of both the right and left side by 1 of the investigators (G.R.B., F.A., L.D.). The reproducibility of the tests was randomly verified and considered to be excellent.
Results
Of the 1010 consecutive patients, 32% were women, 19% had diabetes mellitus that was treated with oral hypoglycemic drugs or subcutaneous insulin, and 7% had undergone previous coronary artery bypass graft surgery. The mean patient age was 62 ± 11.2 years (range [r], 22–88 years), with a mean weight and height of 76.4 ± 15.6 kg (r, 36–160 kg) and 1.7 ± 0.1 m (r, 1.0–1.9 m), respectively.
Discussion
We have described and compared 2 techniques for evaluating the presence of functional palmar arterial arch before a tansradial approach. Our results clearly show that the use of PL and OX criteria type A, B, or C in any side was more sensitive and could include more patients than MAT result ≤9 seconds, while being more objective.
Acknowledgements
We thank Dr Paul Poirier and Gilles R. Dagenais (Institut de cardiologie de Québec), for their help in reviewing the manuscript.
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