Why the study?
Does pulmonary capillary pressure accurately reflect direct left atrial pressure in patients with atrial septal defect or mitral stenosis?
Population
n=5 patients (4 with atrial septal defect, 1 with mitral stenosis)
Comparison
Measurement of pulmonary capillary pressure vs Direct left atrial pressure recording
Design
Case_series
Authors
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Supports pulmonary capillary pressure as surrogate for left atrial pressure in ASD or mitral stenosis; extends prior observations but leaves open broader validation.
Does pulmonary capillary pressure accurately reflect direct left atrial pressure in patients with atrial septal defect or mitral stenosis?
This study provides physiological validation that pulmonary capillary pressure accurately reflects left atrial pressure in shape and height.
Werkö et al. (1953) studied this question.
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