The study will monitor carbon monoxide production in patients undergoing liver resection. Carbon monoxide will be checked from arterial blood gas obtained routinely as a part of the postoperative care as well as from the exhaled air of the patient through a CO detector commercially available and used as smokerlyzer helping people to stop smoking. The results of the surgical resection will be collected from the patient routinely ordered tests after liver resection including pathology of the resected part of the liver, laboratory and radiology tests. The study aims to identify the relationship between CO production and recovery after liver resection. Results of this study may help in predicting and improving results of liver resection.
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CO Output (Ppm)
Timeframe: Baseline
ABG (COHb)
Timeframe: Baseline
CO Output (Ppm)
Timeframe: 4 hours post resection
ABG (COHb)
Timeframe: 4 hours post resection
CO Output (Ppm)
Timeframe: 24 hours post resection
ABG (COHb)
Timeframe: 24 hours post resection