Key result
Active clearance of chest tubes using PleuraFlow did not significantly reduce pericardial effusions ≥2 mm (76% vs 68%, p=0.50) or median chest tube output compared to standard tubes.
Why the study?
To evaluate if active clearance of chest tubes after aortic valve surgery influences bleeding and reduces postoperative residual pericardial effusion.
Does an active clearance chest tube reduce postoperative bleeding and residual pericardial effusion in patients undergoing aortic valve surgery?
RCT (n=100)
Does an active clearance chest tube reduce postoperative bleeding and residual pericardial effusion in patients undergoing aortic valve surgery?
The use of active clearance chest tubes does not significantly reduce postoperative bleeding or pericardial effusion compared to standard chest tubes after aortic valve surgery.
Answers are grounded in this paper and cite their sources.
Active clearance failed to reduce bleeding or effusion post-AVR; leaves open efficacy in broader cardiac surgery populations.
Objective. Evaluate if the use of active clearance of chest tubes after aortic valve surgery influenced bleeding and reduced postoperative residual pericardial effusion. Design. Prospective randomised trial comparing PleuraFlow® 32 F chest tube with FlowGlide™ active clearance to a standard Argyle® 32 F chest tube in 100 patients undergoing aortic valve surgery. Chest tube outputs and pericardial effusion measurements assessed by two-dimensional transthoracic echocardiography were recorded before hospital discharge. Results. Postoperative chest tube outputs per hour did not differ between the two groups. The median chest tube output was 400 mL for patients who had a PleuraFlow® chest tube vs. 490 mL for patients with an Argyle® chest tube (p = .08). Pericardial effusions ≥ 2 mm were detected in 76% vs. 68% of the patients (p = .50) and postoperative atrial fibrillation occurred in 42% vs. 34% (p = .54), respectively. Conclusions. Use of active clearance chest tubes, compared to standard chest tubes after aortic valve surgery did not differ significantly regarding postoperative bleeding or degree of pericardial effusion as measured by echocardiography prior to hospital discharge.
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Malgerud et al. (2020) conducted an RCT in Aortic valve surgery (n=100). PleuraFlow 32 F chest tube with FlowGlide active clearance vs. Standard Argyle 32 F chest tube was evaluated on Pericardial effusions ≥ 2 mm (p=.50). Active clearance of chest tubes using PleuraFlow did not significantly reduce pericardial effusions ≥2 mm (76% vs 68%, p=0.50) or median chest tube output compared to standard tubes.
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