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Evaluation of Periodontitis and Fusobacterium nucleatum Among Colorectal Cancer Patients: An Observational
Anna Antonacci1, Cinzia Bizzoca2, Giuseppe Barile1
1Department of Interdisciplinary Medicine, 'Aldo Moro', University of Bari, 70100 Bari, Italy.
Background:
Periodontitis has been associated with an increased risk of CRC, as well as a worse prognosis due to increased inflammation mediators and carcinogenic factors. Moreover, direct and indirect virulence factors from periodontal pathogens, such as Fusobacterium nucleatum, could play a pivotal role in malignant transformation and progression. This cross-sectional study aims to evaluate the presence and the stage of periodontitis in a cohort of patients with CRC. The secondary aim is to assess the presence of F. nucleatum and its relationship with patients' general characteristics, concomitant pathologies, tumor characteristics, and drug therapy.
Materials And Methods:
Patients affected by CRC underwent dental examination and periodontal charting with the "North Carolina" probe to assess the presence and stage of periodontitis, according to the new classification of periodontal diseases of the World Workshop of the European Federation of Periodontology (EFP) and the American Academy of Periodontology (AAP) 2017. F. nucleatum presence was assessed by a dorsal tongue swab and related to the patient's general characteristics, concomitant pathologies, tumor characteristics, and drug therapy.
Results:
Periodontal disease was found in 94.3% of I/II CRC stage patients and 100% of III/IV CRC stage patients. Severe periodontitis was found in 76% of the advanced CRC stage and 87.9% of patients with initial CRC, while initial periodontitis was found in 12.1% of initial CRC and 24% of late CRC stages, respectively, without significant differences. F. nucleatum presence showed no correlation between the patient's and tumor's characteristics, comorbidities, and drug assumed.
Conclusions:
Periodontal disease showed a high prevalence among CRC patients. Moreover, severe periodontitis has a higher prevalence in CRC patients compared to initial periodontitis. F. nucleatum presence was unrelated to CRC stage, site, other comorbidities, and drug therapies. With these data, it is not possible to admit a direct relationship between CRC and periodontal disease, but further case-control studies must be carried out to further prove this aspect. Preventive and operative targeted strategies to maintain a healthy oral status are suggested in CRC patients.
