PMID: 19923079Nov 20, 2009Paper

Effects of selective left lower lobar blockade by Coopdech endobronchial blocker tube on intrapulmonary shunt and arterial oxygenation: a comparison with double-lumen endobronchial tube

Nan fang yi ke da xue xue bao = Journal of Southern Medical University
Jing YeRui-Jun Cai

Abstract

To compare the differences in intrapulmonary shunt (Qs/Qt) and arterial oxygenation between selective left lower lobar blockade by Coopdech endobronchial blocker tubes (BB) and one lung ventilation (OLV) by left-sided double-lumen endobronchial tubes (DLT) in patients with normal pulmonary function. Thirty-six patients (aged 32-64 years) scheduled for lower esophageal surgery were allocated randomly into BB and DLT groups (n=18). Anesthesia was induced and maintained with Propofol by target controlled infusion with intravenous administration of sufentanil and cisatracurium if needed. A 35 to 39 French tube was placed in the DLT group, and an 8.0-mm (internal diameter) single-lumen endotracheal tube was used in the BB group where a 9 French Coopdech BB was advanced into the left lower lobar bronchus guided by a fiberoptic bronchoscope. The variables recorded were blood gas analysis data from the venous and arterial blood samples at 20 min after two-lung ventilation in supine position (T(1)), 20 min after initiation of one-lung ventilation or selective left lower lobar blockade by inflating BB balloons in the right lateral decubitus position (T(2)), total collapse of the left lung or the left lower lobe after the pleura was opene...Continue Reading

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