Purpose To find out what is known from literature about Long COVID until January 30, 2021. Methods We undertook a four-step search with no language restriction. A preliminary search was made to identify the keywords. A search strategy of all electronic databases resulted in 66 eligible studies. A forward and backward search of the references and citations resulted in additional 54 publications. Non-English language articles were translated using Google Translate. We conducted our scoping review based on the PRISMA-ScR Checklist. Results Of 120 papers, we found only one randomized clinical trial. Of the 67 original studies, 22 were cohort, and 28 were cross-sectional studies. Of the total 120 publications, 49.1% focused on signs and symptoms, 23.3% on management, and 10.8% on pathophysiology. Ten publications focused on imaging studies. The results are also presented extensively in a narrative synthesis in separated sections (nomenclature, diagnosis, pathophysiology, risk factors, signs/symptoms, management). Conclusions The controversies in its definition have impaired proper recognition and management. The predominant symptoms were: fatigue, breathlessness, arthralgia, sleep difficulties, and chest pain. Recent reports also point to the risk of long-term sequela with cutaneous, respiratory, cardiovascular, musculoskeletal, mental health, neurologic, and renal involvement in those who survive the acute phase of the illness. Supplementary Information The online version contains supplementary material available at 10.1007/s15010-021-01666-x.

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Background:Trauma constitutes a major public health problem in our country and contributes significantly to unacceptably high morbidity and mortality.Objectives:This study aimed to evaluate the epidemiology of trauma in dead patients referred to Shahid Rajaee Trauma Hospital, Shiraz, Iran.Patients and Methods:In a cross-sectional study, all patients with trauma admitted to our center were enrolled between March 2011 and February 2012. Age, gender, months of referring, causalities, and injured body parts of the victims were extracted from the data registry and analyzed.Results:A total of 9113 patients, including 7163 (78.6%) males and 1950 (21.4%) females were evaluated. Among them, 479 patients (5.3%) had died. There was a significant difference between the age of alive and dead patients (35.70 ± 0.18 and 45.44 ± 1.01 years, respectively (P < 0.001)). In addition, dead men had significantly higher percentage than alive men (83.7% and 78.3%, respectively, P = 0.005). The highest percentages of men and women who referred to our center and died were in September. Crashing by car had the most frequency of dead (247 cases) in referred patients and motorcycle accident, stabbing, and falling related injuries with 67, 36 and 26 dead cases were in the next ranks. Thorax injury had the most frequency between dead patients (53.2% of all dead) and the intracranial injury and trauma to extremities altogether were in the next ranks, which constituted more than 18.8% of all dead.Conclusions:Our data demonstrated that car and motorcycle accidents are the most important cause of trauma and thorax trauma had the most frequency among dead patients. Epidemiological evaluations and preventive measures such as this study should be conducted to provide valuable data.

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