Why the study?
Does catheter tip position influence the satisfactory recording of pulmonary wedge pressures in patients undergoing right heart catheterization?
Population
68 patients with either mitral stenosis, congenital heart disease, or no demonstrable heart disease
Design
Cross-sectional
Authors
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Catheter tip position was associated with satisfactory wedge tracings; leaves open whether targeted positioning improves measurement reliability in right heart catheterization.
Does catheter tip position influence the satisfactory recording of pulmonary wedge pressures in patients undergoing right heart catheterization?
The position of the catheter tip in the wedged artery and the level of left atrial pressure are major factors in obtaining satisfactory left atrial pulse curves during pulmonary wedge pressure measurement.
Bell et al. (1962) studied this question.
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