- Zhu, N., Zhang D, Wang W, Li X, Yang B, Song J, Zhao X, Huang B, Shi W, Lu R, Niu P, Zhan F, Ma X, Wang D, Xu W, Wu G, Gao GF, Tan W, China Novel Coronavirus Investigating and Research Team., A Novel Coronavirus from Patients with Pneumonia in China, 2019. New England Journal of Medicine, 2020. 382(8): p. 727-733.
- Salimi, R., R. Gomar, and B. Heshmati, The COVID-19 outbreak in Iran. J Glob Health, 2020. 10(1): p. 010365.
- Ng, K.H. and R. Kemp, Understanding and reducing the fear of COVID-19. J Zhejiang Univ Sci B, 2020. 21(9): p. 752-754.
- Iacobucci, G., Covid-19: all non-urgent elective surgery is suspended for at least three months in England. BMJ: British Medical Journal (Online), 2020. 368.
- Dedeilia, A., Sotiropoulos MG, Hanrahan JG, Janga D, Dedeilias P, Sideris M. Medical and surgical education challenges and innovations in the COVID-19 era: a systematic review. In vivo, 2020. 34(3 suppl): p. 1603-1611.
- Abolghasemian, M., Ebrahimzadeh MH, Enayatollahi M, Honarmand K, Kachooei AR, Mehdipoor S, Mortazavi MJ, Mousavian A, Parsa A, Akasheh G, Bagheri F, Ebrahimpour A, Fakoor M, Moradi R, Razi M. Iranian orthopedic association (IOA) response guidance to COVID-19 pandemic april 2020. Archives of Bone and Joint Surgery, 2020. 8(Suppl 1): p. 209.
- Tavanaei, R., Ahmadi P, Yazdani KO, Zali A, Oraee-Yazdani S. The impact of the coronavirus disease 2019 pandemic on neurosurgical practice and feasibility of safe resumption of elective procedures during this era in a large referral center in Tehran, Iran: an unmatched case-control study. World Neurosurgery, 2021. 154: p. e370-e381.
- Wang, X., Gao H, Zhang Z, Deng C, Yan Y, Shi 4. Effect of the COVID-19 pandemic on complications and mortality of patients with cardiac surgery. J Cardiothorac Surg, 2021. 16(1): p. 361.
- Prasad, N.K., Lake R, Englum BR, Turner DJ, Siddiqui T, Mayorga-Carlin M, Sorkin JD, Lal BK. Increased complications in patients who test COVID-19 positive after elective surgery and implications for pre and postoperative screening. The American Journal of Surgery, 2022. 223(2): p. 380-387.
- Doglietto, F., Vezzoli M, Gheza F, Lussardi GL, Domenicucci M, Vecchiarelli L, Zanin L, Saraceno G, Signorini L, Panciani PP, Castelli F, Maroldi R, Rasulo FA, Benvenuti MR, Portolani N, Bonardelli S, Milano G, Casiraghi A, Calza S, Fontanella MM. Factors associated with surgical mortality and complications among patients with and without coronavirus disease 2019 (COVID-19) in Italy. JAMA surgery, 2020. 155(8): p. 691-702.
- Madrazo, Z., Osorio J, Otero A, Biondo S, Videla S; on behalf of The COVID-CIR Collaborative Group. Postoperative complications and mortality following emergency digestive surgery during the COVID-19 pandemic: A multicenter collaborative retrospective cohort study protocol (COVID-CIR). Medicine, 2021. 100(5).
- Unterfrauner, I., Hruby LA, Jans P, Steinwender L, Farshad M, Uçkay I. Impact of a total lockdown for pandemic SARS-CoV-2 (Covid-19) on deep surgical site infections and other complications after orthopedic surgery: a retrospective analysis. Antimicrobial Resistance & Infection Control, 2021. 10(1): p. 1-9.
- Hatami, H., Abbasi-Kangevari M, Malekpour MR, Kolahi AA. Knowledge, Attitudes, and Safety Practices about COVID-19 among High School Students in Iran during the First Wave of the Pandemic. Front Public Health, 2021. 9: p. 680514.
- de Jager, E., R. Gunnarsson, and Y.-H. Ho, Emergency to Elective Surgery Ratio as a Disparities Sensitive Surgical Access Metric, a Study of Low Socioeconomic Status in Australia. World Journal of Surgery, 2022. 46(4): p. 776-783.
15. Schöni, D., M.-E. Halatsch, and A. Alfieri, The impact of reduced operating room capacity on the time delay of urgent surgical care for neurosurgical patients
during the COVID-19 pandemic. Interdisciplinary Neurosurgery, 2022. 29: p. 101544.
- Prin, M., Guglielminotti J, Mtalimanja O, Li G, Charles A. Emergency-to-Elective Surgery Ratio: A Global Indicator of Access to Surgical Care. World Journal of Surgery, 2018. 42(7): p. 1971-1980.
- Wong, J.S.H. and K.M.C. Cheung, Impact of COVID-19 on Orthopaedic and Trauma Service: An Epidemiological Study. J Bone Joint Surg Am, 2020. 102(14): p. e80.
- Mazingi, D., Shinondo P, Ihediwa G, Ford K, Ademuyiwa A, Lakhoo K. The impact of the COVID-19 pandemic on pediatric surgical volumes in Africa: A retrospective observational study. Journal of Pediatric Surgery, 2022.
- Seck NF, Zeng FTa, Sy F, Ba MF, Ndoye NA, Wellé IB, Alassane MP, Gueye D, Sagna A, Ngom G. Impact of the covid-19 pandemic on pediatric surgical practice: the experience of a Senegalese tertiary children’s hospital.
- Mullen, M.G., Michaels AD, Mehaffey JH, Guidry CA, Turrentine FE, Hedrick TL, Friel CM. Risk Associated With Complications and Mortality After Urgent Surgery vs Elective and Emergency Surgery: Implications for Defining “Quality” and Reporting Outcomes for Urgent Surgery. JAMA Surgery, 2017. 152(8): p. 768-774.
21. De Luca, M., Sartori A, Vitiello A, Piatto G, Noaro G, Olmi S, Foschi D, Re LD, Zappa M, Sarro G, Rivolta U, Giraudo G, Borghi F, Pozzo G, Sorisio V, Pignata G, Greco PA, Sisti V, Campagnaro T,
Guglielmi A, Andreuccetti J, Leo AD, Lauro E, Ricci F, Musella M, Zizzo M, Bonacini S, Podda M, Pisanu A, Coletta P, Guerrieri M, Caracino V, Basti M, Pilone V, Raffaelli M, Oragano L. Complications and mortality in a cohort of patients undergoing emergency and elective surgery with perioperative SARS-CoV-2 infection: an Italian multicenter study. Teachings of Phase 1 to be brought in Phase 2 pandemic. Updates in Surgery, 2021. 73(2): p. 745-752.
- Minto, T., Abdelrahman T, Jones L, Wheat J, Key T, Shivakumar N, Ansell J, Seddon O, Cronin A, Tomkinson A, Theron A, Trickett RW, Sagua N, Sultana S, Clark A, McKay E, Johnson A, Behera K, Towler J, Kynaston H; Cardiff and Vale COVID-19 Research Collaborative. Safety of maintaining elective and emergency surgery during the COVID-19 pandemic with the introduction of a Protected Elective Surgical Unit (PESU): A cross-specialty evaluation of 30-day outcomes in 9,925 patients undergoing surgery in a University Health Board. Surgery Open Science, 2022. 10: p. 168-173.
- Köhler, F., Müller S, Hendricks A, Kastner C, Reese L, Boerner K, Flemming S, Lock JF, Germer CT, Wiegering A. Changes in appendicitis treatment during the COVID-19 pandemic – A systematic review and meta-analysis. International Journal of Surgery, 2021. 95: p. 106148.
- Sømme, S., Bronsert M, Morrato E, Ziegler M. Frequency and Variety of Inpatient Pediatric Surgical Procedures in the United States. Pediatrics, 2013. 132(6): p. e1466-e1472.
- Mohajerzadeh, L., Ebrahimian M, Sarafi M, Ebrahimisaraj G, Tabatabaei SR, Noorbakhsh SM, Kaveh A, Taheri H, Azimi L, Alebouyeh M. Effects of COVID-19 Pandemic on the Frequency of Complicated Appendicitis in Pediatric Populations. Arch Pediatr Infect Dis, 2023. 11(1): p. e129026.
- Freitas, T., Ibrahim A, Lourenço A, Chen-Xu J. Mortality in COVID-19 patients after proximal femur fracture surgery: a systematic review and meta-analysis. Hip Int, 2022: p. 11207000221116764.
- Brown, W.A., E.M. Moore, and D.A. Watters, Mortality of patients with COVID-19 who undergo an elective or emergency surgical procedure: a systematic review and meta-analysis. ANZ J Surg, 2021. 91(1-2): p. 33-41.