Patients with advanced cancer commonly experience nausea, vomiting, and/or retching (NVR) as a result of the malignant process and its treatment. Recently, increasing attention is being focused on end-of-life care, which includes relief or reduction of symptoms such as NVR.Pre-chemotherapy preparation and patient education in the palliative care setting are essential to preventing acute and delayed distress from NVR, as well as anticipatory symptoms. Careful assessment of chemotherapy-related symptoms should distinguish between the three phenomena rather than taking a global approach. Strategies for preventing anticipatory nausea, for instance, may differ significantly from those designed to reduce frequency of vomiting.Management of anticancer treatment-related NVR should incorporate both pharmacologic and nonpharmacologic approaches, whenever appropriate, with the overall goal of improving and/or maintaining the patient's quality of life. (CA Cancer J Clin 2001;51:232-248.) INTRODUCTION Nausea, vomiting, and retching (NVR) are among the most common and distressing symptoms that patients with cancer endure, both as a result of antineoplastic treatment and from the disease itself. [1][2][3][4][5][6] Nausea and vomiting are the most frequently reported adverse effects of antineoplastic chemotherapy and significantly affect patients' daily functioning, quality of life, and compliance with therapy. [6][7][8] Effective management of these individual symptoms during initial and continued therapy profoundly influences symptom response throughout the cancer trajectory. Even mild NVR may have later sequelae, e.g., anticipatory symptoms in patients receiving chemotherapy.Recently, increasing attention has been given to the management of NVR during the end of life, 9 a time when many receive palliative care. Palliate, according to Merriam Webster 's New Collegiate Dictionary (1998), means "to reduce the violence of (a disease)"; in other words, to alleviate or to lessen the severity without curing. 10 In 1990, the World Health Organization 11 expanded this definition: "Palliative care is the active total care of patients whose disease is not responsive to curative treatment."Palliative care, traditionally associated with end-of-life care, is a program of active, Newer aggressive therapies demand the integration of palliative services throughout the illness trajectory. 13 Although technological therapeutic advances have extended life and can provide relief for symptoms of disease, numerous complications, side effects, and lifestyle changes are associated with these advances. These changes and symptoms can impair quality of life for cancer patients and families. 8,9,[14][15][16]
SIGNS VERSUS SYMPTOMSMany studies have addressed quality of life in oncology patients, focusing specifically on symptom control. 2,4,[17][18][19][20][21] While chemotherapy and radiation therapy may no longer be indicated for curative effect in those with advanced disease, they may provide dramatic palliation of pain, constipation, obst...