Aortic Valve Regurgitation After Arterial Switch Operation for Transposition of the Great Arteries
Incidence, Risk Factors, and Outcome
Jean Losay, MD*,
Anita Touchot, MD,
Andre Capderou, MD, PhD,
Jean-Dominique Piot, MD,
Emre Belli, MD,
Claude Planché, MD, PhD and
Alain Serraf, MD, PhD
Centre Chirurgical Marie-Lannelongue, Le Plessis-Robinson, France
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Figure 1 Median follow-up duration according to the year of surgery showed in abscissa; the numbers below indicate the number of patients operated on during this year. Ordinate is the time from surgery in years. Squares = median value of the follow-up, tips = minimum and maximum.
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Figure 2 (A) Actuarial estimate of freedom from aortic regurgitation (AR) (grade  I) in the 1,156 hospital survivors after the arterial switch operation. Numbers indicate number of patients observed at the beginning of an interval. (B) Hazard function for AR in 1,156 survivors after the arterial switch operation. Dotted lines = 95% confidence interval.
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Figure 3 Evolution of the aortic regurgitation at the end of the follow-up according to the aortic regurgitation grade at discharge. 0 = absence, I = trivial, II = mild, III = moderate, IV = severe.
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Figure 4 (A) Actuarial survival free of reoperation for aortic regurgitation for the 1,156 survivors. Numbers indicate number of patients observed at the beginning of interval. (B) Hazard function for reoperation for aortic regurgitation in the 1,156 survivors. Dotted lines = 95% confidence interval. Abbreviations as in Figure 2.
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Figure 5 Actuarial survival according to the presence or absence of aortic regurgitation. Lines and numbers related to subjects without aortic regurgitation are in bold. Numbers indicate the number of patients observed at the beginning of an interval. Dotted lines = 95% confidence interval.
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