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Annals of Medical & Surgical Case Reports

Journal Papers (2) Details Call for Paper Manuscript submission Publication Ethics Contact Authors' Guide Line
1 Biostatistical Analysis on COVID-19 , Zhao B1*, Jiang X2 and Cao J3 1School of Science, Hubei University of Technology, Wuhan, Hubei, China 2Hospital, Hubei University of Technology, Wuhan, Hubei, China 3School of Information and Mathematics, Yangtze University, Jingzhou, Hubei, China
Background: Since receiving unexplained pneumonia patients at the Jinyintan Hospital in Wuhan, China in December 2019, the new coronavirus (COVID-19) has rapidly spread in Wuhan, China and spread to the entire China and some neighbouring countries. We establish the dynamics model of infectious diseases and time series model to predict the trend and short-term prediction of the transmission of COVID-19, which will be conducive to the intervention and prevention of COVID-19 by departments at all levels in mainland China and buy more time for clinical trials. Methods: Based on the transmission mechanism of COVID-19 in the population and the implemented prevention and control measures, we establish the dynamic models of the six chambers, and establish the time series models based on different mathematical formulas according to the variation law of the original data. Findings: The results based on time series analysis and kinetic model analysis show that the cumulative diagnosis of pneumonia of COVID-19 in mainland China can reach 36,343 after one week (February 8, 2020), and the number of basic regeneration can reach 4.01. The cumulative number of confirmed diagnoses will reach a peak of 87,701 on March 15, 2020; the number of basic regeneration in Wuhan will reach 4.3, and the cumulative number of confirmed cases in Wuhan will reach peak at 76,982 on March 20. Whether in Mainland China or Wuhan, both the infection rate and the basic regeneration number of COVID-19 continue to decline, and the results of the sensitivity analysis show that the time it takes for a suspected population to be diagnosed as a confirmed population can have a significant impact on the peak size and duration of the cumulative number of diagnoses. Increased mortality leads to additional cases of pneumonia, while increased cure rates are not sensitive to the cumulative number of confirmed cases. Interpretation: Chinese governments at various levels have intervened in many ways to control the epidemic. According to the results of the model analysis, we believe that the emergency intervention measures adopted in the early stage of the epidemic, such as blocking Wuhan, restricting the flow of people in Hubei province, and increasing the support to Wuhan, had a crucial restraining effect on the original spread of the epidemic. It is a very effective prevention and treatment method to continue to increase investment in various medical resources to ensure that suspected patients can be diagnosed and treated in a timely manner. Based on the results of the sensitivity analysis, we believe that enhanced treatment of the bodies of deceased patients can be effective in ensuring that the bodies themselves and the process do not result in additional viral infections, and once the pneumonia patients with the COVID-19 are cured, the antibodies left in their bodies may prevent them from re-infecting COVID-19 for a longer period of time.
2 Uterine Perforation after Ameu by Anembrionic Ectopic Pregnancy in Uterine Scar (Kerr): Case Report , Saldívar-Rodríguez D1, Vidal-Torres D1, Phillips-Esparza EI1*, Treviño-Montemayor OR1 Garza-Leal JG2 and Morales-Avalos R1* 1Gynecology and Obstetrics Service of the University Hospital, México 2Autonomous University of Nuevo Leon (UANL), Monterrey, Nuevo León, México
Introduction: Ectopic pregnancy in the previous uterine scar is a relatively new site of ectopic implantation due to the increase in caesarean sections, representing 6% of ectopic pregnancies in patients with 1 previous caesarean section. Case report: 26-year-old woman, G3C2 with short intergenic period (last obstetric event: 01-12-2017 and date of last menstruation: 08-28-2018), attends assessment due to poor and painless tansvaginal bleeding. Anembryonic pregnancy is diagnosed by vaginal ultrasound. It is decided to give medical treatment with misoprostol 800mcg vaginally 1 dose every 3 days for 2 doses. Conclusion: Uterine perforation is an expected complication of an EUMA however the possibility of an ectopic pregnancy in the previous uterine scar due to the increased risk of uterine perforation must be taken into account.