covid-19 complications in patients aged 20-80 with pulmonary involvement: a study on the 1-month and 3-month post-infection and recovery periods, from august 2021 to november 2021

Background: in this study, our aim is to investigate the complications caused by covid-19 disease in the period of 1 month and 3 months after infection and recovery in patients aged 20 to 80 admitted to the special care department of shariati hospital in tehran.methods: the information of the patients in this research was collected between 1 and 3 months after discharge non-randomly and from among the samples that are available (consecutive), through phone calls and a prospective questionnaire including questions about complications such as fatigue, body pain, joint pain, anorexia, disorders, sleep, headache, depression, dizziness, palpitations, chest pain, cough, diabetes, skin disease, obesity, imbalance, neuropathy, neurological and mental problems, and other cases are collected.results: in this study, what was observed was those 4 complications of nausea and vomiting, diabetes, depression, and hypothyroidism were significantly related to hospitalization of covid-19 patients in the hospital's special care department. the frequency of other complications was also investigated in this study.conclusions: according to the conducted study as well as previous studies, what is clear is that the frequency of complications caused by covid-19 in patients admitted to the intensive care unit after discharge is high, and more studies should be done in order to reduce these complications.