No abstract available
Keywords:
Ultrasonography; acute pain; mitral valve; nerve block.
MeSH terms
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Echocardiography, Transesophageal
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Humans
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Male
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Middle Aged
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Minimally Invasive Surgical Procedures / methods*
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Mitral Valve Insufficiency / diagnosis
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Mitral Valve Insufficiency / surgery*
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Nerve Block / methods*
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Pain, Postoperative / therapy*
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Paraspinal Muscles / innervation*