Maxillofacial departments in 23 surgical units in Italy have been increasingly involved in facing the COVID-19 emergency. Elective surgeries have been progressively postponed to free up beds and offer human and material resources to those infected. We compiled an inventory of 32 questions to evaluate the impact of the SARS-COV2 epidemic on maxillofacial surgery in 23 selected Italian maxillofacial departments. The questionnaire focused on three different aspects: the variation of the workload, showing both a reduction of the number of team members

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Objectives: Arteriovenous malformations (AVM) are the most troublesome vascular malformations to deal with. They tend to behave like low-grade malignancies with infiltrative and disruptive growth. Crucially, the clinical course of an AVM that has been improperly managed is usually characterized by a recurrence that is much more aggressive than the original disease. As in oncology, a comprehensive staging system is highly desirable and is to date lacking in the literature. The authors present a new comprehensive staging system. Methods: A multicentric multidisciplinary team of experts in the field of vascular anomalies has created this new staging system. The SECg staging system defines the local extension of the disease (S1–S4), the vascular architecture of the malformation (E1, E2, E3), the severity of the symptoms (C0–C3) and the presence or absence of growth of the AVM (g+, g−). Results: This staging system allows to address all the aspects of AVMs and, more importantly, to help building an appropriate, individualized treatment plan for affected patients. After being staged an AVM can be defined as (a) healable, (b) healable with predicted sequelae, or (c) unhealable. Then, the SECg system allows to outline (a) absolute indications, (b) relative indications, and (c) no indications for treatment. The purpose of the treatment (radical, palliative) is furthermore taken into consideration. Conclusions: This multicentric, the SECg staging system that this multidisciplinary group of Authors has defined allows for a comprehensive staging of the disease which in turn has enabled to outline an algorithm to properly manage AVMs.

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