• Medicine · Mar 2023

    Using coword analysis and chord diagrams to examine the effect of nutritional counseling and support (DCNS) on patients with oral and oropharyngeal cancer.

    • Mei-Yu Tu, Tsair-Wei Chien, Cheng-Yao Lin, and Willy Chou.
    • Department of Nutrition, Chi Mei Medical Center, Tainan, Taiwan.
    • Medicine (Baltimore). 2023 Mar 10; 102 (10): e33164e33164.

    BackgroundDietary counseling and nutritional support (DCNS) are generally accepted as being necessary for patients with oral cancer and oropharyngeal cancer (OC). However, there is no evidence that dietary counseling plays a significant role in weight loss. In this study, we examined the DCNS based on persistent weight loss during and after treatment in oral cancer and OC patients, as well as the effect of body mass index (BMI) on survival in both groups.MethodsA retrospective chart review was conducted on 2622 patients diagnosed with cancer between 2007 and 2020, including 1836 oral and 786 oropharyngeal patients. In comparison with the sample of patients treated by DCNS, differences in proportional counts for key factors associated with survival were compared between oral cancer and OC patients using the forest plot. An analysis of cowords was conducted to determine CNS associated with weight loss and overall survival. The Sankey diagram was used to display DCNS effectiveness. The log-rank test was used to evaluate the chi-squared goodness of fit test on the null assumption model of equal survival distributions between the groups.ResultsAlmost 41% of the patients (=1064/2262) received DCNS, with a frequency ranging from 1 to 44. Counts for 4 DCNS categories were 566, 392, 92, and 14, respectively, against BMI increases or decreases from much to less with counts of 3, 44, 795, 219, and 3, respectively. In the first year following treatment, DCNS decreased sharply to 50%. One year after hospital discharge, the overall weight loss increased from 3 to 9% (mean = -4%, standard deviation = 14%). Patients with a BMI above average had a significantly longer survival time (P < .001). Statistically, OC patients have a significantly higher survival rate than oral cancer patients.ConclusionDespite receiving frequent DCNS, patients continued to lose body weight during and 1 year after treatment. The survival time of an individual with a BMI above average appears to be increased. Future studies should preferably use randomized trials to compare standard DCNS with more intensive DCNS, which includes earlier and/or prolonged treatment.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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