ArticleYonago acta medica2026
Transient Oxygen Desaturation Associated with Persistent Right Venous Valve-Mediated Right-to-Left Atrial Shunt in Term Neonates.
Article in Yonago acta medica, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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15 authors.
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Abstract
Background: Persistent right venous valve (PRVV), a remnant of the fetal right valve of the sinus venosus, may facilitate right-to-left atrial shunting through the patent foramen ovale (PFO). Although PRVV has been reported to cause severe neonatal cyanosis requiring surgical intervention, its clinical significance in otherwise healthy term neonates remains poorly defined. Methods: We retrospectively analyzed consecutive term neonates (≥ 37 weeks' gestation) with stable general conditions who exhibited periodic breathing-like oxygen saturation (SpO Results: Ten term neonates were included. Minimum SpO Conclusion: In otherwise healthy term neonates, PRVV with PFO-related right-to-left atrial shunting may cause transient oxygen desaturation, occasionally reaching as low as 80%; however, it is generally self-limiting and clinically benign. Recognition of this hemodynamic mechanism may help clinicians appropriately interpret transient SpO
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