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1.
China Tropical Medicine ; (12): 1203-2023.
Artículo en Chino | WPRIM | ID: wpr-1032147

RESUMEN

@#Abstract: Objective To retrospectively analyze the investigation and disposal of the COVID-19 outbreak caused by the transmission of the Omicron variant in infected imported cases, and provide basis for COVID-19 outbreak management. Methods The description epidemiological method was used to describe the COVID-19 outbreak in Sanya City from March 31 to April 15, 2022. The propagation chain was mapped and the experience gained and shortcomings identified in emergency responses were analyzed. Results The outbreak resulted in 95 reported locally transmitted COVID-19 cases with a incubation period M(P25, P75) of 4 (3, 5) d. In the 95 cases, the proportion of cases detected through close contact screening, centralized isolation, community screening, control area screening, active treatment (examination), and key population screening were 33.68%, 22.11%, 18.95%, 12.63%, 6.32%, 4.21% and 2.11%, respectively. The epidemic spread for 6 generations, causing 5 clusters of outbreaks and 12 cases of cluster disease. The epidemic affected 12 villages/neighborhood committees, 1 bar, 1 hospital, 1 small clinic, 1 farmer's market, 1 large shopping mall and 1 restaurant in 2 districts of Sanya City. The result of gene sequencing was Omicron variant BA.1.1. Through the immediate launch of emergency plans, nucleic acid and antigen testing, controlling close contact between infected persons and close contacts, suspending indoor business sites, central urban control, and temporary suspension, COVID-19 was controlled within 16 days. Conclusions The transmission chain of this outbreak was clear and was caused by imported cases. Strengthening the management of the pass, doing a good job in information sharing and docking, timely screening for cases, screening, pushing, controlling high-risk groups, and implementing comprehensive control measures, can effectively prevent the spread of the epidemic, providing a reference for the control of epidemic situations in relevant scenarios.

2.
Rev. bras. cir. cardiovasc ; Rev. bras. cir. cardiovasc;37(4): 554-565, Jul.-Aug. 2022. tab, graf
Artículo en Inglés | LILACS-Express | LILACS | ID: biblio-1394719

RESUMEN

ABSTRACT Introduction: Pulmonary artery denervation (PADN) can reduce the sympathetic nervous system (SNS) activity, reduce pulmonary artery pressure (PAP), and improve the quality of life in patients with pulmonary hypertension (PH). We conducted a systematic meta-analysis of the effectiveness of PADN in the treatment of PH patients. Methods: This is a comprehensive literature search including all public clinical trials investigating the effects of PADN on PH. Outcomes were mean pulmonary artery pressure (mPAP), pulmonary vascular resistance (PVR), cardiac output (CO), right ventricular (RV) Tei index, 6-minute walk distance (6MWD), and New York Heart Association (NYHA) cardiac function grading. Results: A total of eight clinical studies with 213 PH patients who underwent PADN were included. Meta-analysis showed that after PADN, mPAP (mean difference [MD] -12.51, 95% confidence interval [CI] -17.74 to -7.27, P<0.00001) (mmHg) and PVR (MD -5.17, 95% CI -7.70 to -2.65, P<0.0001) (Wood unit) decreased significantly, CO (MD 0.59, 95% CI 0.32 to 0.86, P<0.0001) (L/min) and 6MWD (MD 107.75, 95% CI 65.64 to 149.86, P<0.00001) (meter) increased significantly, and RV Tei index (MD -0.05, 95% CI -0.28 to 0.17, P=0.63) did not change significantly. Also after PADN, the proportion of NYHA cardiac function grading (risk ratio 0.23, 95% CI 0.14 to 0.37, P<0.00001) III and IV decreased significantly. Conclusion: This meta-analysis supports PADN as a potential new treatment for PH. Further high-quality randomized controlled studies are needed.

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