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- Title
Osteonecrosis of the Jaw Associated with Bisphosphonates Infusion for Treatment of Plasma Cell Myeloma—A Retrospective Observational Study of Northern Portuguese Population.
- Authors
Ferreira, Sara Sousa; Amaral, José Barbas do; Pacheco, José Júlio; Salazar, Filomena; Monteiro, Luís
- Abstract
Objectives: To verify medication-related osteonecrosis of the jaw (MRONJ) frequency among patients with plasma cell myeloma (PCM) that had been treated with bisphosphonates, to identify predisposing factors that could influence the development of osteonecrosis. Methods: This observational retrospective study was performed at the Department of Hematology of Hospital Center of Porto (CHUP), Portugal. Results: The study population (n = 112) had a 15.2% (n = 17) prevalence of osteonecrosis. Clinically, bone exposure was the most frequently observed sign, present in 100% (n = 17) of the patients, followed by inflammation in 82.4% (n = 14), orofacial pain in 70.6% (n = 12), suppuration in 47.1% (n = 8), and intra or extra-oral fistula in 17.6% (n = 3) of the cases. The most frequent triggering local factor was dental extraction (82.4%). There was a dependence between the presence of extractions and the development of MRONJ (p < 0.001) but not with the time elapsed from the initiation of infusions with BPs and dental extractions (p = 0.499). In the sample of patients with multiple myeloma (MM), 13.8% were found to be more likely to develop MRONJ after an extraction. Conclusions: The most common local predisposing factor was dental extraction. No dependence was observed between the development of osteonecrosis and the time elapsed from the beginning of treatment with bisphosphonates infusions to surgical procedures.
- Subjects
PORTO (Portugal); PORTUGAL; MULTIPLE myeloma; PORTUGUESE people; OSTEONECROSIS; DIPHOSPHONATES; DENTAL extraction; OROFACIAL pain; FACIAL pain
- Publication
Journal of Clinical Medicine, 2024, Vol 13, Issue 9, p2679
- ISSN
2077-0383
- Publication type
Article
- DOI
10.3390/jcm13092679