Population
18 patients undergoing upper laparotomies
Comparison
Upper laparotomy vs Pre-operative baseline
Design
Cohort
Follow-up
First post-operative day and later in the post-operative…
Authors
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Emphasizes ventilation-perfusion mismatch over shunting for post-laparotomy hypoxaemia management; supports mechanistic studies but leaves confirmation to prospective trials.
Post-operative hypoxaemia following upper laparotomy is primarily driven by ventilation-perfusion mismatch rather than veno-arterial shunting.
Georg et al. (1967) studied this question.
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