1.Differential diagnosis of coronavirus disease 2019 from pneumonias caused by other etiologies in a fever clinic in Beijing.
Ying LIANG ; Jing-Jin LIANG ; Qing-Tao ZHOU ; Xiao-Guang LI ; Fei LIN ; Zhong-Hua DENG ; Bi-Ying ZHANG ; Lu LI ; Xiao-Hua WANG ; Hong ZHU ; Qing-Bian MA ; Xiao-Mei TONG ; Jie XU ; Yong-Chang SUN
Chinese Medical Journal 2020;133(20):2504-2506
2.Application of three-in-one intelligent screening in outpatient department of children's hospital during COVID-19 epidemic.
Meiping SHEN ; Lin TONG ; Cangcang FU ; Shuai DONG ; Tianlin WANG ; Guohong ZHU ; Hongzhen XU
Journal of Zhejiang University. Medical sciences 2020;49(5):656-661
OBJECTIVE:
To evaluate the application of three-in-one intelligent screening in outpatient pre-inspection in children's hospital.
METHODS:
We randomly enrolled 100 children pre-screened by traditional method in the outpatient department of Children's Hospital of Zhejiang University from February 6th to 16th, 2020, and another 100 children by the intelligent three-in-one mode from February 17th to 27th, 2020. The traditional triage was conducted by nurses based on face-to-face, one-by-one interview of the epidemiological history and consultation department, and the temperature was measured before manual triage. The intelligent three-in-one model combined online rapid pre-inspection and triage, on-site manual confirmation, as well as synchronized online health education system. For on-line registered patients, the system automatically sent the COVID-19 epidemiological pre-screening triage questionnaire one hour before the appointment, requiring parents to complete and submit online before arriving at the hospital. The on-site registered patients were controlled at 100 m away from the hospital entrance. The nurses guided the parents to scan the QR code and fill in the COVID-19 epidemiological pre-examination triage questionnaire. At the entrance of the hospital, the nurse checked the guidance sheet and took the temperature again. The children with red guidance sheet were checked again and confirmed by pre-examination nurses, and accompanied to the isolation clinic through COVID-19 patients-only entrance. The children with yellow guidance sheet were guided to fever clinic. The children with green guidance sheet could go with their parents to the designated area, and then went to the corresponding consultation area. Health education was carried out throughout the treatment, and the system automatically posted the corresponding outpatient instructions and education courses. Parents would read the courses on their mobile phones and counsel online. The time of pre-examination and the coincidence rate of triage were compared between the two groups.
RESULTS:
The three-in-one intelligent pre-inspection mode took an average of (25.6±8.0) s for each child, which was significantly shorter than the traditional pre-inspection mode (74.8±36.4) s (
CONCLUSIONS
The three-in-one intelligent pre-inspection model can effectively shorten the patient pre-check time, with similar triage coincidence rate to traditional model.
Adult
;
Betacoronavirus
;
COVID-19
;
Child
;
Coronavirus Infections/diagnosis*
;
Humans
;
Internet
;
Outpatient Clinics, Hospital
;
Pandemics
;
Pneumonia, Viral/diagnosis*
;
SARS-CoV-2
;
Surveys and Questionnaires
;
Time
;
Triage/standards*
3.Standardized sputum collection increases sputum sample collection rate for novel coronavirus nucleic acid detection.
Jianfen QIN ; Hongying PAN ; Rongrong ZHANG ; Leiwen TANG ; Xiawen MAO
Journal of Zhejiang University. Medical sciences 2020;49(5):614-617
OBJECTIVE:
To evaluate the effect of standardized health education on the sputum specimen collection rate for nucleic acid detection of coronavirus disease 2019 (COVID-19).
METHODS:
Two hundred and twenty-seven patients in fever clinics and isolation wards of Sir Run Run Shaw Hospital of Zhejiang University and 307 migrant workers returning to 5 enterprises in Shanghai from February 3 to March 14, 2020 were enrolled in the study. Through clarifying the procedures of collecting sputum specimens, making graphic/video health education materials, standardizing the contents and methods of health education, we conducted education to the subjects. The subject expectorated spontaneously or with medical assistance. For patients, the number of sampling attempts and sputum acquisition times were documented before and after the implementation of the standardized expectoration method; for the returning migrant employees in the enterprises, only the number of collected samples after the implementation of the standardized expectoration method were recorded.
RESULTS:
A total of 378 sputum samples were collected from 227 patients. The sputum sampling rates before and after the implementation of health education were 40.9%and 58.4%, respectively (
CONCLUSIONS
The education for standardized sputum sample collection method can effectively increase the sputum collection rate.
Betacoronavirus/genetics*
;
COVID-19
;
China
;
Coronavirus Infections/diagnosis*
;
Efficiency
;
Humans
;
Nucleic Acid Amplification Techniques/methods*
;
Pandemics
;
Pneumonia, Viral/diagnosis*
;
SARS-CoV-2
;
Specimen Handling/methods*
;
Sputum
;
Time Factors
4.Reducing the consumption of personal protective equipment by setting up a multifunctional sampling station in the emergency department to screen for COVID-19 infection in Taiwan.
Po-Ting LIN ; Ting-Yuan NI ; Tren-Yi CHEN ; Chih-Pei SU ; Hsiao-Fen SUN ; Mu-Kuan CHEN ; Chu-Chung CHOU ; Po-Yu WANG ; Yan-Ren LIN
Environmental Health and Preventive Medicine 2020;25(1):34-34
In Taiwan, high-risk patients have been identified and tested for preventing community spread of COVID-19. Most sample collection was performed in emergency departments (EDs). Traditional sample collection requires substantial personal protective equipment (PPE), healthcare professionals, sanitation workers, and isolation space. To solve this problem, we established a multifunctional sample collection station (MSCS) for COVID-19 testing in front of our ED. The station is composed of a thick and clear acrylic board (2 cm), which completely separates the patient and medical personnel. Three pairs of gloves (length, 45 cm) are attached and fixed on the outside wall of the MSCS. The gloves are used to conduct sampling of throat/nasal swabs, sputum, and blood from patients. The gap between the board and the building is only 0.2 cm (sealed with silicone sealant). ED personnel communicate with patients using a small two-way broadcast system. Medical waste is put in specific trashcans installed in the table outside the MSCS. With full physical protection, the personnel conducting the sampling procedure need to wear only their N95 mask and gloves. After we activated the station, our PPE, sampling time, and sanitization resources were considerably conserved during the 4-week observation period. The MSCS obviously saved time and PPE. It elevated the efficiency and capacity of the ED for handling potential community infections of COVID-19.
Betacoronavirus
;
Clinical Laboratory Techniques
;
Coronavirus Infections
;
diagnosis
;
epidemiology
;
Emergency Service, Hospital
;
organization & administration
;
Humans
;
Mass Screening
;
methods
;
Pandemics
;
Personal Protective Equipment
;
supply & distribution
;
Pneumonia, Viral
;
diagnosis
;
epidemiology
;
Taiwan
;
epidemiology
6.Analysis of an improved workflow of endoscope reprocessing for bedside endoscopic diagnosis and treatment on COVID-19 patients.
Qing GU ; Hua-Fen WANG ; Ying FANG ; Ye LU ; Zhe SHEN ; Yan WANG ; Xin WU ; Li CEN ; Yi-Shu CHEN
Journal of Zhejiang University. Science. B 2020;21(5):416-422
Severe cases infected with the coronavirus disease 2019 (COVID-19), named by the World Health Organization (WHO) on Feb. 11, 2020, tend to present a hypercatabolic state because of severe systemic consumption, and are susceptible to stress ulcers and even life-threatening gastrointestinal bleeding. Endoscopic diagnosis and treatment constitute an irreplaceable part in the handling of severe COVID-19 cases. Endoscopes, as reusable precision instruments with complicated structures, require more techniques than other medical devices in cleaning, disinfection, sterilization, and other reprocessing procedures. From 2016 to 2019, health care-acquired infection caused by improper endoscope reprocessing has always been among the top 5 on the list of top 10 health technology hazards issued by the Emergency Care Research Institute. Considering the highly infective nature of COVID-19 and the potential aerosol contamination therefrom, it is of pivotal significance to ensure that endoscopes are strictly reprocessed between uses. In accordance with the national standard "Regulation for Cleaning and Disinfection Technique of Flexible Endoscope (WS507-2016)," we improved the workflow of endoscope reprocessing including the selection of chemicals in an effort to ensure quality control throughout the clinical management towards COVID-19 patients. Based on the experience we attained from the 12 severe COVID-19 cases in our hospital who underwent endoscopy 23 times in total, the article provides an improved version of endoscopic reprocessing guidelines for bedside endoscopic diagnosis and treatment on COVID-19 patients for reference.
Adult
;
Aged
;
Aged, 80 and over
;
Betacoronavirus
;
China
;
Coronavirus Infections
;
diagnosis
;
therapy
;
Cross Infection
;
prevention & control
;
Disinfection
;
methods
;
Endoscopes
;
virology
;
Equipment Contamination
;
prevention & control
;
Female
;
Humans
;
Male
;
Middle Aged
;
Pandemics
;
Peracetic Acid
;
Personal Protective Equipment
;
Pneumonia, Viral
;
diagnosis
;
therapy
;
Sterilization
;
methods
;
Workflow
7.Transmission risk of patients with COVID-19 meeting discharge criteria should be interpreted with caution.
Jun-Wei SU ; Wen-Rui WU ; Guan-Jing LANG ; Hong ZHAO ; Ji-Fang SHENG
Journal of Zhejiang University. Science. B 2020;21(5):408-410
As of Apr. 22, 2020, the World Health Organization (2020) has reported over 2.4 million confirmed coronavirus disease 2019 (COVID-19) patients and 169 151 deaths. Recent articles have uncovered genomic characteristics and clinical features of COVID-19 (Chan et al., 2020; Chang et al., 2020; Guan et al., 2020; Zhu et al., 2020), while our understanding of COVID-19 is still limited. As suggested by guidelines promoted by the General Office of National Health Commission of the People's Republic of China (2020) (from Versions 1 to 6), discharged standards for COVID-19 were still dependent on viral real-time polymerase chain reaction (RT-PCR) tests of respiratory specimens, showing that recovered COVID-19 patients with twice negative RT-PCR could meet discharge criteria. Here, we examined two cases in which nucleic acid test results were inconsistent with clinical and radiological findings, leading to suboptimal care.
Adult
;
Betacoronavirus
;
China
;
Clinical Laboratory Techniques
;
Coronavirus Infections
;
diagnosis
;
transmission
;
Female
;
Humans
;
Male
;
Middle Aged
;
Pandemics
;
Patient Discharge
;
Pneumonia, Viral
;
diagnosis
;
transmission
;
Real-Time Polymerase Chain Reaction
;
Reverse Transcriptase Polymerase Chain Reaction
;
Sputum
;
virology
8.Can SARS-CoV-2-infected women breastfeed after viral clearance?
Journal of Zhejiang University. Science. B 2020;21(5):405-407
The recently emerged novel coronavirus pneumonia, named the coronavirus disease 2019 (COVID-19), shares several clinical characteristics with severe acute respiratory syndrome (SARS) and Middle East respiratory syndrome (MERS), and spread rapidly throughout China in December of 2019 (Huang et al., 2020). The pathogen 2019 novel coronavirus (2019-nCoV) is now named SARS coronavirus 2 (SARS-CoV-2) and is highly infectious. As of Apr. 9, 2020, over 80 000 confirmed cases had been reported, with an estimated mortality rate of 4.0% (Chinese Center for Disease Control and Prevention, 2020). Person-to-person transmission and familial clustering have been reported (Chan et al., 2020; Nishiura et al., 2020; Phan et al., 2020). However, there is no evidence of fetal intrauterine infection in pregnant women who have been infected with SARS-CoV-2 in their third trimester (Chen et al., 2020). It is unclear whether breastfeeding transmits the virus from previously infected and recovered mothers to their babies. Here we report the clinical course of a pregnant woman with COVID-19. In order to determine whether SARS-CoV-2 can be transmitted to newborns through breastfeeding, we measured viral RNA in the patient's breastmilk samples at different time points after delivery.
Adult
;
Betacoronavirus
;
Breast Feeding
;
China
;
Coronavirus Infections
;
diagnosis
;
Female
;
Humans
;
Infant, Newborn
;
Infectious Disease Transmission, Vertical
;
Milk, Human
;
virology
;
Pandemics
;
Pneumonia, Viral
;
diagnosis
;
Pregnancy
;
Pregnancy Complications, Infectious
;
virology
;
RNA, Viral
;
isolation & purification
9.Clinical value of the emergency department in screening and diagnosis of COVID-19 in China.
Qin ZHANG ; Jian PAN ; Min-Xing ZHAO ; Yuan-Qiang LU
Journal of Zhejiang University. Science. B 2020;21(5):388-393
Since the global outbreak of severe acute respiratory syndrome (SARS) in 2003, China has gradually built a robust prevention and control system for sudden infectious diseases. All large hospitals have a fever clinic that isolates patients with all kinds of acute communicable diseases as the first line of medical defense. The emergency department, as the second line of medical defense in hospitals, is constantly shouldering the heavy responsibility of screening communicable diseases while also treating all kinds of other non-communicable acute and critical diseases (Zhang et al., 2012; Zhu et al., 2015; Wang et al., 2017; Feng et al., 2018; Lu, 2018; Xu and Lu, 2019). An outbreak of pneumonia of unknown etiology that began in Wuhan city (China) has spread rapidly in China since December 2019 (Huang et al., 2020; WHO, 2020; Zhu et al., 2020). In February 2020, the National Health Commission of China named the disease a novel coronavirus pneumonia (NCP); then, it was formally named the coronavirus disease 2019 (COVID-19) by the World Health Organization (WHO) on Feb. 11, 2020. The Coronavirus Study Group of the International Committee on Taxonomy of Viruses designated this causative virus as SARS coronavirus 2 (SARS-CoV-2). SARS-CoV-2 belongs to the β coronavirus genus, and its pathogenic mechanism has not been clarified, which requires further study. To better understand the clinical characteristics of COVID-19 and more effectively prevent and control this disease, we retrospectively analyzed four representative cases of COVID-19 that had recently been screened and diagnosed in our emergency department.
Adult
;
Betacoronavirus
;
China
;
epidemiology
;
Coronavirus Infections
;
diagnosis
;
Emergency Service, Hospital
;
Female
;
Humans
;
Lung
;
diagnostic imaging
;
Male
;
Middle Aged
;
Pandemics
;
Patient Isolation
;
Pneumonia, Viral
;
diagnosis
;
Tomography, X-Ray Computed
10.An overview of COVID-19.
Yu SHI ; Gang WANG ; Xiao-Peng CAI ; Jing-Wen DENG ; Lin ZHENG ; Hai-Hong ZHU ; Min ZHENG ; Bo YANG ; Zhi CHEN
Journal of Zhejiang University. Science. B 2020;21(5):343-360
Pneumonia caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection emerged in Wuhan City, Hubei Province, China in December 2019. By Feb. 11, 2020, the World Health Organization (WHO) officially named the disease resulting from infection with SARS-CoV-2 as coronavirus disease 2019 (COVID-19). COVID-19 represents a spectrum of clinical manifestations that typically include fever, dry cough, and fatigue, often with pulmonary involvement. SARS-CoV-2 is highly contagious and most individuals within the population at large are susceptible to infection. Wild animal hosts and infected patients are currently the main sources of disease which is transmitted via respiratory droplets and direct contact. Since the outbreak, the Chinese government and scientific community have acted rapidly to identify the causative agent and promptly shared the viral gene sequence, and have carried out measures to contain the epidemic. Meanwhile, recent research has revealed critical aspects of SARS-CoV-2 biology and disease pathogenesis; other studies have focused on epidemiology, clinical features, diagnosis, management, as well as drug and vaccine development. This review aims to summarize the latest research findings and to provide expert consensus. We will also share ongoing efforts and experience in China, which may provide insight on how to contain the epidemic and improve our understanding of this emerging infectious disease, together with updated guidance for prevention, control, and critical management of this pandemic.
Amino Acid Motifs
;
Animals
;
Antiviral Agents
;
Betacoronavirus
;
genetics
;
China
;
epidemiology
;
Communicable Disease Control
;
methods
;
Coronavirus Infections
;
diagnosis
;
epidemiology
;
physiopathology
;
prevention & control
;
therapy
;
Humans
;
Immunization, Passive
;
Medicine, Chinese Traditional
;
Pandemics
;
Pneumonia, Viral
;
diagnosis
;
epidemiology
;
physiopathology
;
therapy
;
Protein Domains
;
Spike Glycoprotein, Coronavirus
;
chemistry
;
Viral Vaccines

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