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      12ª Lección Jesús Culebras. La alimentación y la nutrición en los enfermos con cáncer de cabeza y cuello: un reto permanente Translated title: 12th "Jesús Culebras" Lesson. Feeding and nutrition in patients with head and neck cancer - A permanent challenge

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          Abstract

          Resumen Los enfermos con cáncer de cabeza y cuello son una población en riesgo nutricional permanente. El motivo es, además de la presencia del tumor, la localización del mismo, que afecta a todas las estructuras implicadas en la deglución. Los efectos secundarios de los tratamientos oncológicos que deben recibir en el transcurso de su enfermedad —cirugía, quimio-radioterapia, etc.— no hacen sino gravar más aun un estado nutricional ya de por sí precario. Por todo ello es imprescindible que, desde el diagnóstico de su enfermedad, estén supervisados por un equipo multidisciplinar con especialistas en dietética y nutrición.

          Translated abstract

          Abstract Head and neck cancer patients are a population at permanent nutritional risk. In addition to the presence of the tumour, the reason for this is the tumour's location, which affects all structures involved in the swallowing process. The side effects of the oncological treatments they must receive during the course of their illness—surgery, chemo-radiotherapy, etc.—only further burden an already precarious nutritional status. For all these reasons, it is essential that, from the diagnosis of their disease, a multidisciplinary team including specialists in dietetics and nutrition supervises them.

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          Definition and classification of cancer cachexia: an international consensus.

          To develop a framework for the definition and classification of cancer cachexia a panel of experts participated in a formal consensus process, including focus groups and two Delphi rounds. Cancer cachexia was defined as a multifactorial syndrome defined by an ongoing loss of skeletal muscle mass (with or without loss of fat mass) that cannot be fully reversed by conventional nutritional support and leads to progressive functional impairment. Its pathophysiology is characterised by a negative protein and energy balance driven by a variable combination of reduced food intake and abnormal metabolism. The agreed diagnostic criterion for cachexia was weight loss greater than 5%, or weight loss greater than 2% in individuals already showing depletion according to current bodyweight and height (body-mass index [BMI] <20 kg/m(2)) or skeletal muscle mass (sarcopenia). An agreement was made that the cachexia syndrome can develop progressively through various stages--precachexia to cachexia to refractory cachexia. Severity can be classified according to degree of depletion of energy stores and body protein (BMI) in combination with degree of ongoing weight loss. Assessment for classification and clinical management should include the following domains: anorexia or reduced food intake, catabolic drive, muscle mass and strength, functional and psychosocial impairment. Consensus exists on a framework for the definition and classification of cancer cachexia. After validation, this should aid clinical trial design, development of practice guidelines, and, eventually, routine clinical management. Copyright © 2011 Elsevier Ltd. All rights reserved.
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            Critical weight loss is a major prognostic indicator for disease-specific survival in patients with head and neck cancer receiving radiotherapy

            Background: Pre-treatment weight loss (WL) is a prognostic indicator for overall survival (OS) in head and neck cancer (HNC) patients. This study investigates the association between WL before or during radiotherapy and disease-specific survival (DSS) in HNC patients. Methods: In 1340 newly diagnosed HNC patients, weight change was collected before and during (adjuvant) radiotherapy with curative intent. Critical WL during radiotherapy was defined as >5% WL during radiotherapy or >7.5% WL until week 12. Differences in 5-year OS and DSS between WL groups were analysed by Cox's regression with adjustments for important socio-demographic and tumour-related confounders. Results: Before radiotherapy, 70% of patients had no WL, 16% had ⩽5% WL, 9% had >5–10% WL, and 5% had >10% WL. Five-year OS and DSS rates for these groups were 71%, 59%, 47%, and 42% (P 10% WL before radiotherapy remained significantly associated with a worse OS (HR 1.7; 95% CI 1.2–2.5; P=0.002) and DSS (HR 2.1; 95% CI 1.2–3.5; P=0.007). The 5-year OS and DSS rates for patients with critical WL during radiotherapy were 62% and 82%, compared with 70% and 89% for patients without critical WL (P=0.01; P=0.001). After adjustment, critical WL during radiotherapy remained significantly associated with a worse DSS (HR 1.7; 95% CI 1.2–2.4; P=0.004). Conclusion: Weight loss both before and during radiotherapy are important prognostic indicators for 5-year DSS in HNC patients. Randomised studies into the prognostic effect of nutritional intervention are needed.
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              Accuracy of the volume-viscosity swallow test for clinical screening of oropharyngeal dysphagia and aspiration.

              To determine the accuracy of the bedside volume-viscosity swallow test (V-VST) for clinical screening of impaired safety and efficacy of deglutition. We studied 85 patients with dysphagia and 12 healthy subjects. Series of 5-20 mL nectar (295.02 mPa.s), liquid (21.61 mPa.s) and pudding (3682.21 mPa.s) bolus were administered during the V-VST and videofluoroscopy. Cough, fall in oxygen saturation > or =3%, and voice changes were considered signs of impaired safety, and piecemeal deglutition and oropharyngeal residue, signs of impaired efficacy. Videofluoroscopy showed patients had prolonged swallow response (> or =1064 ms); 52.1% had safe swallow at nectar, 32.9%, at liquid (p<0.05), and 80.6% at pudding viscosity (p<0.05); 29.4% had aspirations, and 45.8% oropharyngeal residue. The V-VST showed 83.7% sensitivity and 64.7% specificity for bolus penetration into the larynx and 100% sensitivity and 28.8% specificity for aspiration. Sensitivity of V-VST was 69.2% for residue, 88.4% for piecemeal deglutition, and 84.6% for identifying patients whose deglutition improved by enhancing bolus viscosity. Specificity was 80.6%, 87.5%, and 73.7%, respectively. The V-VST is a sensitive clinical method to identify patients with dysphagia at risk for respiratory and nutritional complications, and patients whose deglutition could be improved by enhancing bolus viscosity. Patients with a positive test should undergo videofluoroscopy.
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                Author and article information

                Journal
                nh
                Nutrición Hospitalaria
                Nutr. Hosp.
                Grupo Arán (Madrid, Madrid, Spain )
                0212-1611
                1699-5198
                February 2022
                : 39
                : 1
                : 217-222
                Affiliations
                [1] Madrid orgnameHospital General Universitario Gregorio Marañón orgdiv1Unidad de Nutrición Clínica y Dietética Spain
                Article
                S0212-16112022000100025 S0212-1611(22)03900100025
                10.20960/nh.03963
                1cd5eced-f4bc-49e2-bd86-4f8928391a40

                This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

                History
                : 22 November 2021
                : 22 November 2021
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 28, Pages: 6
                Product

                SciELO Spain

                Categories
                Artículos Especiales

                Dysphagia,Enteral nutrition,Cáncer de cabeza y cuello,Disgeusia,Xerostomia,Disfagia,Nutrición enteral,Head and neck cancer,Dysgeusia,Xerostomy

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