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Ductal steal: does it affect pre-ductal arteries

Journal of Perinatology volume 41, pages 4–5 (2021)Cite this article

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We would like to thank Dr. Manzar for the interest in our manuscript published in the recent issue of the Journal of Perinatology: “The effect of patent ductus arteriosus on coronary artery blood flow in premature infants: a prospective observational pilot study” [1].

Hemodynamically significant ductal shunting may be associated with an increased ratio of left atrial to aortic root dimensions ≥ 1.5:1, ductal diameter ≥ 1.5 mm, left ventricular volume and pressure loading and reversal of diastolic flow in the descending aorta or in cerebral or renal arteries [2, 3]. Thus, similar to our findings of decreased coronary flow (diastolic) in the presence of hemodynamically significant PDA, another proximal vascular system, the cerebral arteries, show diastolic flow reversal similar to the distal steal phenomenon in the descending aorta and the diastolic flow reversal in the renal arteries. Pre-ductal arteries could potentially be influenced by ductal steel or low diastolic pressure as has been observed in cerebral resistive index values in preterm infants with hemodynamically significant PDA [4].

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References

  1. Vaisbourd Y, Sharif D, Riskin A, Yaniv L, Dinur G, Khalil A, et al. The effect of patent ductus arteriosus (PDA) on coronary artery blood flow in premature infants: a prospective observational pilot study. J Perinatol. 2020;40:1366–74. https://doi.org/10.1038/s41372-020-0622-4.

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Author notes

  1. These authors contributed equally: Yulia Vaisbourd, Dawod Sharif

Authors and Affiliations

  1. Department of Neonatology, Bnai Zion Medical Center, Rappaport Faculty of Medicine, Haifa, Israel

    Yulia Vaisbourd

  2. Department of Cardiology, Bnai Zion Medical Center, Rappaport Faculty of Medicine, Haifa, Israel

    Dawod Sharif

  3. Department of Neonatology, Rambam Medical Center, Rappaport Faculty of Medicine, Haifa, Israel

    Gil Dinur & Amir Kugelman

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  1. Yulia Vaisbourd
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  2. Dawod Sharif
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  3. Gil Dinur
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  4. Amir Kugelman
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Correspondence to Yulia Vaisbourd.

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Vaisbourd, Y., Sharif, D., Dinur, G. et al. Ductal steal: does it affect pre-ductal arteries. J Perinatol 41, 4–5 (2021). https://doi.org/10.1038/s41372-020-00844-3

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  • DOI: https://doi.org/10.1038/s41372-020-00844-3

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