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      Incidence of Symptomatic COVID-19 in Unvaccinated Patients within One Month after Elective Total Joint Arthroplasty: A Multicentre Study

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          Abstract

          Background

          The safety of continuing Total Joint Arthroplasty (TJA), as an elective procedure, during the pandemic is controversial. The present study aimed to investigate the incidence of symptomatic COVID-19 and its related risk factors in unvaccinated patients after TJA within one month post-discharge in two large cities of our country.

          Methods

          The present prospective study included all the patients admitted to three hospitals, located in two high-populated cities of our country from April 1st, 2020, to April 1st, 2021, for elective TJA. Urgent TJA (traumatic fractures) were excluded. The primary outcome was symptomatic COVID-19 within one-month after discharge that was diagnosed using the SARS-CoV-2 RT-PCR test. Afterward, the incidence of the COVID-19 in the study population was compared with the general population to estimate the safety of elective TJA during the pandemic.

          Results

          From the 1007 patients undergoing TJA, 755 patients met the inclusion criteria. None of the patients was vaccinated against COVID-19. Among them, 18 patients (2.4%) developed symptomatic COVID-19 within one-month after discharge. In the same time interval, the incidence of COVID-19 was 2.2% in the general population of these two cities, which was similar to the incidence reported in the study population. Of the patients who were positive for COVID-19, four patients were hospitalized, and 3 of them were ICU-admitted; however, no mortality was reported.

          Conclusion

          The TJA will be a safe elective procedure for the patients during the pandemic if the preventive protocols are followed strictly.

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          Clinical features of patients infected with 2019 novel coronavirus in Wuhan, China

          Chaolin Huang, Yeming Wang, Xingwang Li … (2020)
          Summary Background A recent cluster of pneumonia cases in Wuhan, China, was caused by a novel betacoronavirus, the 2019 novel coronavirus (2019-nCoV). We report the epidemiological, clinical, laboratory, and radiological characteristics and treatment and clinical outcomes of these patients. Methods All patients with suspected 2019-nCoV were admitted to a designated hospital in Wuhan. We prospectively collected and analysed data on patients with laboratory-confirmed 2019-nCoV infection by real-time RT-PCR and next-generation sequencing. Data were obtained with standardised data collection forms shared by WHO and the International Severe Acute Respiratory and Emerging Infection Consortium from electronic medical records. Researchers also directly communicated with patients or their families to ascertain epidemiological and symptom data. Outcomes were also compared between patients who had been admitted to the intensive care unit (ICU) and those who had not. Findings By Jan 2, 2020, 41 admitted hospital patients had been identified as having laboratory-confirmed 2019-nCoV infection. Most of the infected patients were men (30 [73%] of 41); less than half had underlying diseases (13 [32%]), including diabetes (eight [20%]), hypertension (six [15%]), and cardiovascular disease (six [15%]). Median age was 49·0 years (IQR 41·0–58·0). 27 (66%) of 41 patients had been exposed to Huanan seafood market. One family cluster was found. Common symptoms at onset of illness were fever (40 [98%] of 41 patients), cough (31 [76%]), and myalgia or fatigue (18 [44%]); less common symptoms were sputum production (11 [28%] of 39), headache (three [8%] of 38), haemoptysis (two [5%] of 39), and diarrhoea (one [3%] of 38). Dyspnoea developed in 22 (55%) of 40 patients (median time from illness onset to dyspnoea 8·0 days [IQR 5·0–13·0]). 26 (63%) of 41 patients had lymphopenia. All 41 patients had pneumonia with abnormal findings on chest CT. Complications included acute respiratory distress syndrome (12 [29%]), RNAaemia (six [15%]), acute cardiac injury (five [12%]) and secondary infection (four [10%]). 13 (32%) patients were admitted to an ICU and six (15%) died. Compared with non-ICU patients, ICU patients had higher plasma levels of IL2, IL7, IL10, GSCF, IP10, MCP1, MIP1A, and TNFα. Interpretation The 2019-nCoV infection caused clusters of severe respiratory illness similar to severe acute respiratory syndrome coronavirus and was associated with ICU admission and high mortality. Major gaps in our knowledge of the origin, epidemiology, duration of human transmission, and clinical spectrum of disease need fulfilment by future studies. Funding Ministry of Science and Technology, Chinese Academy of Medical Sciences, National Natural Science Foundation of China, and Beijing Municipal Science and Technology Commission.
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            Risk factors for severity and mortality in adult COVID-19 inpatients in Wuhan

            Xiaochen Li, Shuyun Xu, Muqing Yu … (2020)
            Background In December 2019, COVID-19 outbreak occurred in Wuhan. Data on the clinical characteristics and outcomes of patients with severe COVID-19 are limited. Objective The severity on admission, complications, treatment, and outcomes of COVID-19 patients were evaluated. Methods Patients with COVID-19 admitted to Tongji Hospital from January 26, 2020 to February 5, 2020 were retrospectively enrolled and followed-up until March 3, 2020. Potential risk factors for severe COVID-19 were analyzed by a multivariable binary logistic model. Cox proportional hazard regression model was used for survival analysis in severe patients. Results We identified 269 (49.1%) of 548 patients as severe cases on admission. Elder age, underlying hypertension, high cytokine levels (IL-2R, IL-6, IL-10, and TNF-a), and high LDH level were significantly associated with severe COVID-19 on admission. The prevalence of asthma in COVID-19 patients was 0.9%, markedly lower than that in the adult population of Wuhan. The estimated mortality was 1.1% in nonsevere patients and 32.5% in severe cases during the average 32 days of follow-up period. Survival analysis revealed that male, elder age, leukocytosis, high LDH level, cardiac injury, hyperglycemia, and high-dose corticosteroid use were associated with death in patients with severe COVID-19. Conclusions Patients with elder age, hypertension, and high LDH level need careful observation and early intervention to prevent the potential development of severe COVID-19. Severe male patients with heart injury, hyperglycemia, and high-dose corticosteroid use may have high risk of death.
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              Risk factors for severe and critically ill COVID‐19 patients: a review

              Ya-dong Gao, Mei Ding, Xiang Dong … (2020)
              The pandemic of coronavirus disease 2019 (COVID-19), caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has caused an unprecedented global social and economic impact, and high numbers of deaths. Many risk factors have been identified in the progression of COVID-19 into a severe and critical stage, including old age, male gender, underlying comorbidities such as hypertension, diabetes, obesity, chronic lung diseases, heart, liver and kidney diseases, tumors, clinically apparent immunodeficiencies, local immunodeficiencies, such as early type I interferon secretion capacity, and pregnancy. Possible complications include acute kidney injury, coagulation disorders, thoromboembolism. The development of lymphopenia and eosinopenia are laboratory indicators of COVID-19. Laboratory parameters to monitor disease progression include lactate dehydrogenase, procalcitonin, high-sensitivity C-reactive protein, proinflammatory cytokines such as interleukin (IL)-6, IL-1β, Krebs von den Lungen-6 (KL-6), and ferritin. The development of a cytokine storm and extensive chest computed tomography imaging patterns are indicators of a severe disease. In addition, socioeconomic status, diet, lifestyle, geographical differences, ethnicity, exposed viral load, day of initiation of treatment, and quality of health care have been reported to influence individual outcomes. In this review, we highlight the scientific evidence on the risk factors of severity of COVID-19.
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                Author and article information

                Journal
                Journal ID (nlm-ta): Arthroplast Today
                Journal ID (iso-abbrev): Arthroplast Today
                Title: Arthroplasty Today
                Publisher: Published by Elsevier Inc. on behalf of The American Association of Hip and Knee Surgeons.
                ISSN (Electronic): 2352-3441
                Publication date PMC-release: 24 January 2022
                Publication date (Electronic): 24 January 2022
                Affiliations
                [a ]Student Research Committee, School of Medicine, Isfahan University of Medical Sciences, Isfahan
                [b ]Joint Reconstruction Research Center (JRRC), Tehran University of Medical Sciences, Tehran, Iran
                [c ]Students' Scientific Research Center (SSRC), Tehran University of Medical Sciences, Tehran, Iran
                [d ]Department of Biostatistics and Epidemiology, Faculty of Health, Isfahan University of Medical Sciences, Isfahan, Iran
                [e ]Department of Orthopedic Surgery, Kashani University Hospital, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
                Author notes
                [∗ ]Corresponding author: Seyed Mohammad Javad Mortazavi M.D., Hip and Knee arthroplasty, Joint Reconstruction Research Center, Imam Khomeini hospital, Tehran University of Medical Sciences, End of Keshavarz Blvd, 1419733141 Tehran, Iran Correspondence telephone: +98-2161192767 Correspondence
                [∗∗ ]Corresponding author: : Mehdi Motififard M.D., Professor of Orthopaedic Surgery, Department of Orthopedic Surgery, Kashani University Hospital, School of Medicine, Isfahan University of Medical Sciences, Azadi sq., Hezar Jarib Blv., Isfahan 6719675344, Isfahan Province, Iran. Correspondence telephone: +98-9188400108 Correspondence email:
                Article
                Publisher Item ID: S2352-3441(22)00028-0
                DOI: 10.1016/j.artd.2022.01.024
                PMC ID: 8784429
                SO-VID: e76e1f60-b563-4d99-b6c9-7023e09d6dab
                Copyright © © 2022 Published by Elsevier Inc. on behalf of The American Association of Hip and Knee Surgeons.
                License:

                Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

                History
                Date received : 8 October 2021
                Date revision received : 6 January 2022
                Date accepted : 15 January 2022
                Categories
                Subject: Original Research

                Keywords: arthroplasty,covid-19,safety,sars-cov-2
                Data availability:
                Keywords: arthroplasty, covid-19, safety, sars-cov-2

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