الفهرس 
Review of literatureOnly 14 pages are availabe for public view
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Abstract
Limitations of the study could be summarized in the small number of the patients enrolled; this may be attributed to the restricted inclusion of only liver resection procedures performed among cirrhotic patients of Child A. Despite the study was randomized but the anaesthesiologists were not blinded and this subjected their observation to possible bias. The EC technology is attractive from the economic point of view when compared with other available monitoring technologies as the arterial pressure waveform analysis (FloTrac/Vigileo), pulmonary artery floating catheter (Swan Ganz) and transesophageal Doppler. The consumables needed to operate these above mentioned CO methods are expensive and cannot be justified for every surgical procedure. The EC technology only needs skin attached electric cardiogram electrodes but still requires more studies to investigate in depth the agreement and efficacy between EC and other gold standard methods. Numerous studies are with and against, but the ability of EC to provide a noninvasive continuous trend of CO remains an important benefit particularly when other invasive methods are not available.(136, 137) (41, 138)