Why the study?
Does the Valsalva maneuver exacerbate left atrial compression in patients with large hiatal hernia?
Does the Valsalva maneuver exacerbate left atrial compression in patients with large hiatal hernia?
Conditions associated with decreased preload and increased intra-abdominal pressure, such as the Valsalva maneuver, can exacerbate the cardiac compressive effects of large hiatal hernias.
Valsalva may exacerbate LA compression in large hiatal hernia; leaves open clinical relevance and need for prospective studies.
VM can markedly exacerbate LA compression in HH patients; however, LV filling is relatively less affected possibly due to augmented early diastolic filling. Conditions associated with decreased preload and increased intra-abdominal pressure may exacerbate the cardiac effects of large HH.
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Naoum et al. (2017) studied this question.
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