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1.
EuropePMC; 2020.
Preprint in English | EuropePMC | ID: ppcovidwho-293751

ABSTRACT

Background: Since December 2019, a novel coronavirus (2019-nCoV) associated pneumonia has emerged in Wuhan, China. The study aimed to further clarify the epidemiological and clinical characteristics of 2019-nCoV pneumonia.<br><br>Methods: 99 cases admitted to Wuhan Jinyintan Hospital during January 1 to 20, 2020 and confirmed by real-time reverse-transcriptase polymerase-chain-reaction (RT-PCR) test were analyzed for epidemiological, demographic, clinical, radiological features, and laboratory data. <br><br>Findings: Of the 99 patients with 2019-nCoV pneumonia, 49 (49%) had a history of exposure to the South China Seafood Wholesale Market. The average age of the patients was 62.85 ± 11.99 years, including 67 males and 32 females. 2019-nCoV was detected in all patients by RT-PCR, and some of them also by serological testing, and metagenomics sequencing analysis. 50 cases (50.51%) had chronic basic diseases. Patients had clinical manifestations of fever (83%), cough (82%), shortness of breath (31%), muscle aches (11%), headache (8%), fuzzy confusion (7%), chest pain (2%), and diarrhea (2%). According to imaging examination, 74 patients showed bilateral pneumonia (74.75%), 25 patients showed multiple mottled and ground-glass opacity, and 1 patient had pneumothorax. Most patients received antiviral, antibiotics, supportive treatments, continuous renal replacement therapy (CRRT) and extracorporeal membrane oxygenation (ECMO), and had good prognosis. 17 patients developed acute Respiratory Distress Syndrome (ARDS) and among them, 2 patients worsened in a short period of time and died of multiple organ failure.<br><br>Interpretation: The infection of the 2019-nCoV can result in severe and even fatal respiratory disease like ARDS. It is very important to actively prevent complications and secondary infections, treat underlying diseases, and provide timely organ function support. Early diagnosis, early isolation, multiple treatment, and intervention of CRRT and ECMO when necessary can effectively reduce mortality caused by severe coronavirus pneumonia.<br><br>Funding: National Key R&D Program of China (No. 2017YFC1309700)<br><br>Declaration of Interest: The author reports no conflicts of interest in this work.<br><br>Ethical Approval: The study was approved by Jinyintan Hospital Ethics Committee and written informed consent was obtained from all patients involved before enrolment.

2.
N Engl J Med ; 382(19): 1787-1799, 2020 05 07.
Article in English | MEDLINE | ID: covidwho-9371

ABSTRACT

BACKGROUND: No therapeutics have yet been proven effective for the treatment of severe illness caused by SARS-CoV-2. METHODS: We conducted a randomized, controlled, open-label trial involving hospitalized adult patients with confirmed SARS-CoV-2 infection, which causes the respiratory illness Covid-19, and an oxygen saturation (Sao2) of 94% or less while they were breathing ambient air or a ratio of the partial pressure of oxygen (Pao2) to the fraction of inspired oxygen (Fio2) of less than 300 mm Hg. Patients were randomly assigned in a 1:1 ratio to receive either lopinavir-ritonavir (400 mg and 100 mg, respectively) twice a day for 14 days, in addition to standard care, or standard care alone. The primary end point was the time to clinical improvement, defined as the time from randomization to either an improvement of two points on a seven-category ordinal scale or discharge from the hospital, whichever came first. RESULTS: A total of 199 patients with laboratory-confirmed SARS-CoV-2 infection underwent randomization; 99 were assigned to the lopinavir-ritonavir group, and 100 to the standard-care group. Treatment with lopinavir-ritonavir was not associated with a difference from standard care in the time to clinical improvement (hazard ratio for clinical improvement, 1.31; 95% confidence interval [CI], 0.95 to 1.80). Mortality at 28 days was similar in the lopinavir-ritonavir group and the standard-care group (19.2% vs. 25.0%; difference, -5.8 percentage points; 95% CI, -17.3 to 5.7). The percentages of patients with detectable viral RNA at various time points were similar. In a modified intention-to-treat analysis, lopinavir-ritonavir led to a median time to clinical improvement that was shorter by 1 day than that observed with standard care (hazard ratio, 1.39; 95% CI, 1.00 to 1.91). Gastrointestinal adverse events were more common in the lopinavir-ritonavir group, but serious adverse events were more common in the standard-care group. Lopinavir-ritonavir treatment was stopped early in 13 patients (13.8%) because of adverse events. CONCLUSIONS: In hospitalized adult patients with severe Covid-19, no benefit was observed with lopinavir-ritonavir treatment beyond standard care. Future trials in patients with severe illness may help to confirm or exclude the possibility of a treatment benefit. (Funded by Major Projects of National Science and Technology on New Drug Creation and Development and others; Chinese Clinical Trial Register number, ChiCTR2000029308.).


Subject(s)
Antiviral Agents/therapeutic use , Betacoronavirus/isolation & purification , Coronavirus Infections/drug therapy , Cytochrome P-450 CYP3A Inhibitors/therapeutic use , Lopinavir/therapeutic use , Pneumonia, Viral/drug therapy , Ritonavir/therapeutic use , Adult , Aged , Antiviral Agents/adverse effects , Betacoronavirus/genetics , COVID-19 , COVID-19 Testing , Clinical Laboratory Techniques , Coronavirus Infections/diagnosis , Coronavirus Infections/mortality , Coronavirus Infections/virology , Cytochrome P-450 CYP3A Inhibitors/adverse effects , Drug Therapy, Combination , Female , Hospital Mortality , Humans , Intention to Treat Analysis , Lopinavir/adverse effects , Male , Middle Aged , Pandemics , Patient Acuity , Pneumonia, Viral/mortality , Pneumonia, Viral/virology , Proportional Hazards Models , Reverse Transcriptase Polymerase Chain Reaction , Ritonavir/adverse effects , SARS-CoV-2 , Time-to-Treatment , Treatment Failure , Viral Load
3.
Lancet ; 395(10223): 507-513, 2020 02 15.
Article in English | MEDLINE | ID: covidwho-78

ABSTRACT

BACKGROUND: In December, 2019, a pneumonia associated with the 2019 novel coronavirus (2019-nCoV) emerged in Wuhan, China. We aimed to further clarify the epidemiological and clinical characteristics of 2019-nCoV pneumonia. METHODS: In this retrospective, single-centre study, we included all confirmed cases of 2019-nCoV in Wuhan Jinyintan Hospital from Jan 1 to Jan 20, 2020. Cases were confirmed by real-time RT-PCR and were analysed for epidemiological, demographic, clinical, and radiological features and laboratory data. Outcomes were followed up until Jan 25, 2020. FINDINGS: Of the 99 patients with 2019-nCoV pneumonia, 49 (49%) had a history of exposure to the Huanan seafood market. The average age of the patients was 55·5 years (SD 13·1), including 67 men and 32 women. 2019-nCoV was detected in all patients by real-time RT-PCR. 50 (51%) patients had chronic diseases. Patients had clinical manifestations of fever (82 [83%] patients), cough (81 [82%] patients), shortness of breath (31 [31%] patients), muscle ache (11 [11%] patients), confusion (nine [9%] patients), headache (eight [8%] patients), sore throat (five [5%] patients), rhinorrhoea (four [4%] patients), chest pain (two [2%] patients), diarrhoea (two [2%] patients), and nausea and vomiting (one [1%] patient). According to imaging examination, 74 (75%) patients showed bilateral pneumonia, 14 (14%) patients showed multiple mottling and ground-glass opacity, and one (1%) patient had pneumothorax. 17 (17%) patients developed acute respiratory distress syndrome and, among them, 11 (11%) patients worsened in a short period of time and died of multiple organ failure. INTERPRETATION: The 2019-nCoV infection was of clustering onset, is more likely to affect older males with comorbidities, and can result in severe and even fatal respiratory diseases such as acute respiratory distress syndrome. In general, characteristics of patients who died were in line with the MuLBSTA score, an early warning model for predicting mortality in viral pneumonia. Further investigation is needed to explore the applicability of the MuLBSTA score in predicting the risk of mortality in 2019-nCoV infection. FUNDING: National Key R&D Program of China.


Subject(s)
Coronavirus Infections/diagnosis , Coronavirus Infections/epidemiology , Pneumonia, Viral/diagnosis , Pneumonia, Viral/epidemiology , Adult , Aged , Aged, 80 and over , COVID-19 , China/epidemiology , Comorbidity , Coronavirus Infections/complications , Coronavirus Infections/therapy , Cough/epidemiology , Cough/virology , Disease Outbreaks , Dyspnea/epidemiology , Dyspnea/virology , Female , Fever/epidemiology , Fever/virology , Humans , Male , Middle Aged , Pneumonia, Viral/complications , Pneumonia, Viral/therapy , Prognosis , Radiography, Thoracic , Retrospective Studies , Severe Acute Respiratory Syndrome/epidemiology , Severe Acute Respiratory Syndrome/virology , Tomography, X-Ray Computed , Young Adult
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