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. 2022 Jun;30(6):4897-4904.
doi: 10.1007/s00520-022-06899-6. Epub 2022 Feb 15.

Impact of photobiomodulation for oral mucositis on body weight and BMI of patients with head and neck cancer

Amanda de Sousa Melo  1 , Camila Lima Andrade  1 , Juliana Borges de Lima Dantas  2   3   4 , Alena Ribeiro Alves Peixoto Medrado  4   5 , Gabriela Botelho Martins  2   5 , Hayana Ramos Lima  6 , Manoela Carrera  7   8
Affiliations

Impact of photobiomodulation for oral mucositis on body weight and BMI of patients with head and neck cancer

Amanda de Sousa Melo et al. Support Care Cancer. 2022 Jun.

Abstract

Purpose: To evaluate the impact of photobiomodulation for oral mucositis on body weight and body mass index (BMI) in head and neck cancer patients.

Methods: Patients were separated into two groups: photobiomodulation (PBM) (n = 17) and SHAM (n = 19). Participants assigned to the PBM group received the photobiomodulation therapy on alternate days at 33 different sites of the oral mucosa (1 J for 10 s per application point) using a low-power aluminum gallium arsenide (AsGaAl) laser device with a maximum output power of 86.7 mW and a wavelength of 660 nm (red). The same protocol was performed in patients allocated in the SHAM group but with the device turned off. At the first and twenty-fourth radiotherapy sessions, participants from both groups underwent an intraoral examination to assess the presence or absence of mucositis using the WHO scale, and measurements of weight and height for BMI calculation were undertaken.

Results: All patients had significant differences in weight and BMI throughout the study period. Patients in the PBM group lost less weight (p < 0.01) and had a reduced BMI loss (p < 0.01) in comparison to patients in the SHAM group. Although PBM did not prevent oral mucositis, it decreased its severity (p < 0.01).

Conclusion: Photobiomodulation for oral mucositis reduced weight loss and prevented a reduction in BMI in patients who underwent chemoradiotherapy for head and neck cancer. Retrospectively registered at https://data.mendeley.com//datasets/4kd7s49wk4/1 .

Keywords: BMI; Body weight; Head and neck cancer; Nutritional status; Photobiomodulation.

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