Survival of osseointegrated implants in head and neck cancer patients submitted to multimodal treatment: a systematic review and meta-analysis

Author:

Camolesi Gisela Cristina Vianna1,Veronese Henrique Rocha Mazorchi2,Celestino Miriã Andrade2,Blum Davi Francisco Casa3,Márquez-Zambrano José Agustín4,Carmona-Pérez Francisca Andrea5,Jara-Venegas Tamara Andrea5,Pellizzon Antonio Cassio Assis6,Bernaola-Paredes Wilber Edison6

Affiliation:

1. University of Santiago de Compostela

2. UNIFAMINAS

3. Atitus Education Center

4. San Sebastian University

5. Autonomous University of Chile

6. A.C. Camargo Cancer Center

Abstract

Abstract Purpose: to investigate the survival rate in implants placement in irradiated and non-irradiated bone in patients undergoing head and neck cancer (HNC) treatment. We focused on the consequences of the main complications, such as osteoradionecrosis, peri-implantitis. Methods: An electronic search conducted by PRISMA protocol was performed. Full texts were carefully assessed, and data were assimilated into a tabular form for discussion and consensus among the expert panel. The quality assessment and the risk of bias are verified by Joanna Briggs Institute checklist (JBI) and The Newcastle-Ottawa Scale (NOS), and Risk of Bias in Non-Randomized Studies of Interventions (ROBINS-I) assessment tool. Results: A total of 452 records were identified in the based on our PICOs strategy and after screening, 19 articles were included in the descriptive analysis of the review. Totaling 473 implants placed in irradiated and non-irradiated bone, and 31.6 % of the patients were over 60 years of age. 57.9%) performed implant placement in a period of 12 months or more after the ending of radiotherapy. Only 5 studies had a follow-up period longer than 5 years after implant placement, of which three were used for the meta-analysis. In the meta-analysis of 5-year survival rate analysis of implants in irradiated bone was assessed; a random effect model was used and a weighted proportion (PP) of 93.13% (95% CI: 87.20 - 99.06; p<0.001), and in the 5-year survival rate analysis of implants in non-irradiated bone was analysed, a fixed effect model was used and a weighted proportion (PP) of 98.52% survival (95% CI: 97.56-99.48, p<0.001). Conclusions: Survival rates of implants placed in irradiated bone is clinically satisfactory after a follow-up of 5 years, with a fewer percentage than in implants placed in non-irradiated bone after metanalyses performed.

Publisher

Research Square Platform LLC

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