Why the study?
Does pericardiocentesis alter blood pressure and peripheral vascular resistance in patients with cardiac tamponade?
Population
18 consecutive patients with cardiac tamponade from a variety of causes
Comparison
Pericardiocentesis vs Pre-pericardiocentesis baseline
Design
Case_series
Follow-up
Immediate (post-pericardiocentesis)
Authors
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Suggests pericardiocentesis may normalize BP in hypertensive tamponade via reduced resistance; hypothesis-generating case series.
Does pericardiocentesis alter blood pressure and peripheral vascular resistance in patients with cardiac tamponade?
Elevated blood pressure can paradoxically occur in cardiac tamponade, particularly in patients with preexisting hypertension, and falls after pericardiocentesis due to a decrease in peripheral vascular resistance.
Brown et al. (1992) studied this question.
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