13.07.2015 Views

Guidelines for Complications of Cancer Treatment Vol VIII Part B

Guidelines for Complications of Cancer Treatment Vol VIII Part B

Guidelines for Complications of Cancer Treatment Vol VIII Part B

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Chemotherapy Induced Nausea andVomitingBurden <strong>of</strong> the DiseaseChemotherapy induced nausea and vomiting remains one <strong>of</strong>the most distressing side effects <strong>of</strong> chemotherapy. It is a result<strong>of</strong> either treatment-related toxicity or complications directlyor indirectly related to the cancer. Inadequately controlledemesis impairs functional activity and quality <strong>of</strong> life <strong>for</strong>patients, increases the use <strong>of</strong> health care resources, and mayoccasionally compromise adherence to treatment. Overall,approximately 70% to 80% <strong>of</strong> cancer patients on chemotherapyexperience nausea and/or vomiting and over 20% are <strong>for</strong>cedto postpone or refuse potentially curative treatment.Types <strong>of</strong> Chemotherapy Induced NauseaVomiting1. Acute CINV: Acute nausea and vomiting developswithin the first 24 hrs after chemotherapy administration.No single neurotransmitter is likely to be responsible<strong>for</strong> all chemotherapy-induced nausea and vomiting, butit appears that serotonin is particularly important in thepathophysiology <strong>of</strong> acute vomiting.393

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