No abstract available
MeSH terms
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Aged
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Coronary Artery Bypass*
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Echocardiography
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Heart Septal Defects, Atrial / complications
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Heart Septal Defects, Atrial / diagnostic imaging*
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Humans
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Hypoxia / etiology*
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Intraoperative Complications / etiology*
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Male
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Positive-Pressure Respiration / adverse effects*