Background This study aimed to determine the impact of pulmonary complications on death after surgery both before and during the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic. Methods This was a patient-level, comparative analysis of two, international prospective cohort studies: one before the pandemic (January–October 2019) and the second during the SARS-CoV-2 pandemic (local emergence of COVID-19 up to 19 April 2020). Both included patients undergoing elective resection of an intra-abdominal cancer with curative intent across five surgical oncology disciplines. Patient selection and rates of 30-day postoperative pulmonary complications were compared. The primary outcome was 30-day postoperative mortality. Mediation analysis using a natural-effects model was used to estimate the proportion of deaths during the pandemic attributable to SARS-CoV-2 infection. Results This study included 7402 patients from 50 countries; 3031 (40.9 per cent) underwent surgery before and 4371 (59.1 per cent) during the pandemic. Overall, 4.3 per cent (187 of 4371) developed postoperative SARS-CoV-2 in the pandemic cohort. The pulmonary complication rate was similar (7.1 per cent (216 of 3031) versus 6.3 per cent (274 of 4371); P = 0.158) but the mortality rate was significantly higher (0.7 per cent (20 of 3031) versus 2.0 per cent (87 of 4371); P < 0.001) among patients who had surgery during the pandemic. The adjusted odds of death were higher during than before the pandemic (odds ratio (OR) 2.72, 95 per cent c.i. 1.58 to 4.67; P < 0.001). In mediation analysis, 54.8 per cent of excess postoperative deaths during the pandemic were estimated to be attributable to SARS-CoV-2 (OR 1.73, 1.40 to 2.13; P < 0.001). Conclusion Although providers may have selected patients with a lower risk profile for surgery during the pandemic, this did not mitigate the likelihood of death through SARS-CoV-2 infection. Care providers must act urgently to protect surgical patients from SARS-CoV-2 infection.
<div>Severe Acute Respiratory Syndrome (SARS-CoV2) infected about 93 million people and killed over two million worldwide. The disease transmits very quickly, therefore; due to its severity and widespread the World Health Organization has declared this menace as ‘Global Pandemic’. An urgent need was felt to manage this disease through aggressive and efficient research process all over the globe. That’s why drug re-purposing of 212 chemical entities (CEs) against SARS-COV2 was found to be one of the efficient ways in finding new indications of already discovered drugs amisdst of the discovery of a new drug. Results of this study revealed that out of 212 CEs, only Etodolac forms a hydrogen (H)-bond with a relatively low energy and active central fragment, demonstrating more significant interaction with SARS-CoV2 viral proteins. Other CEs exhibit good pharmacokinetics properties with the least acute toxicity through ADMET analysis. We also discovered other therapeutic applications of these CEs through Molinspiration. Etodolac, a non-steroidal anti-inflammatory drug forms H-bonding with 5.6 kcal/mol binding energy with active residues of this receptor. This drug created H-bonding with PHE326 and PRO328, with pyridine group, and was found more suitable to control SARS-CoV2.</div>
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