Related Experiment Video
Updated: Jan 14, 2026

Transcanalicular Diode Laser-assisted Dacryocystorhinostomy for the Treatment of Primary Acquired Nasolacrimal Duct Obstruction
Published on: October 13, 2017
Double-Barrel Norwood Procedure for Complex Systemic Outflow Tract Obstruction
W Hampton Gray1, Leopold N Nkengbeza1, C Mason Berry1
1Division of Cardiothoracic Surgery, Department of Surgery, School of Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA.
None:
Systemic outflow tract obstruction in single ventricle heart disease requires surgical reconstruction to progress through the different stages of palliation. Hypoplastic left heart syndrome and other anatomic variants commonly undergo the Norwood procedure. We describe a double-barrel Norwood operation that can be applied to complex forms of systemic outflow tract obstruction.
Related Concept Videos
Mitral Stenosis III: Medical Management
Tracheostomy Suctioning II: Procedure

