Post-COVID-19 Sequelae: Osteonecrosis of Femoral Head

During the most recent pandemy COVID-19, various advises concerning complications following high corticosteroid doses administration were pubblished in 2020.However, evidence is lacking about the incidence of Non-traumatic osteonecrosis of the femoral head (ONFH) in patients experiencing COVID-19. The aim of the present proposal is to obtain a quantitative estimation of ONFH cases among patients previoulsy hospitalized and treated for COVID-19 at ASST-Papa Giovanni XXIII.

Inclusion Criteria:MaleAge > 18 and < 60 years oldHospitalization between 23-Feb-2020 and 21-May-2020 because of COVID-19 diagnosisHospitalization duration > 25 daysTreatment with steroid drugs during hospitalization (total cumulative dose > 2 g)Signature of written informed consentExclusion Criteria:Presence of any implantable medical device defined as 'unsafe' for RM (eg. Cardiac pacemaker; vascular stent and gastrointestinal clips evaluated as 'unsafe')Previous experience with episodes and symptoms associated with claustrophobia.