scholarly journals International Multicenter Study To Assess a Panel of Reference Materials for Quantification of Simian Immunodeficiency Virus RNA in Plasma

2010 ◽  
Vol 48 (7) ◽  
pp. 2582-2585 ◽  
Author(s):  
C. Ham ◽  
P. Srinivasan ◽  
R. Thorstensson ◽  
E. Verschoor ◽  
Z. Fagrouche ◽  
...  
Keyword(s):  
Simian Immunodeficiency Virus ◽  
Reference Materials ◽  
Multicenter Study ◽  
Virus Rna ◽  
Immunodeficiency Virus ◽  
International Multicenter Study ◽  
International Multicenter

Tu1415 An International Multicenter Study on Digital Single Operator Cholangioscopy for the Management of Difficult Bile Duct Stones in 271 Patients

2017 ◽  
Vol 85 (5) ◽  
pp. AB616-AB617
Author(s):  
Olaya Isabella Brewer Gutierrez ◽  
Saowonee Ngamruengphong ◽  
Isaac Raijman ◽  
Richard Sturgess ◽  
Divyesh V. Sejpal ◽  
...  
Keyword(s):  
Bile Duct ◽  
Multicenter Study ◽  
Bile Duct Stones ◽  
Single Operator ◽  
International Multicenter Study ◽  
International Multicenter

Abstract P104: Incidence, Characteristics and Outcomes of Large Vessel Stroke in Covid-19: An International Multicenter Study

Stroke ◽  
2021 ◽  
Vol 52 (Suppl_1) ◽  
Author(s):  
Priyank Khandelwal ◽  
Fawaz Al-Mufti ◽  
Ambooj Tiwari ◽  
Amit Singla ◽  
Adam A Dmytriw ◽  
...  
Keyword(s):  
Ischemic Stroke ◽  
African Americans ◽  
Acute Ischemic Stroke ◽  
Multicenter Study ◽  
Significant Risk ◽  
Large Vessel ◽  
Large Vessel Occlusion ◽  
Vessel Occlusion ◽  
International Multicenter Study ◽  
International Multicenter

Background: While there are reports of acute ischemic stroke (AIS) in COVID-19 patients, the overall incidence of acute ischemic stroke and clinical characteristics of large vessel occlusion in such patient remains to be established. Methods: A retrospective, international multicenter study of large vessel occlusion (LVO) was undertaken from March 1 to May 1, 2020 at 12 stroke centers from 4 countries. Detailed data were collected on consecutive LVOs in hospitalized patients with laboratory-confirmed severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and the incidence of AIS/LVO was measured. Among patients who underwent mechanical thrombectomy, stroke outcomes along with COVID-19 symptoms were reported. Results: Out of a total of 6698 COVID-19 patients admitted to 10 stroke centers, the incidence of stroke was found to be 1.3% (range 0.6-2.6%). The median age of patients who presented with LVO was 51 years (range 27-87) and in the US centers, African Americans comprised 28% of all patients. Ten patients (16 %) were less than 50 years of age with no significant risk factors for LVOs the vast majority. Among the LVOs eligible for MT, the average time to presentation from symptom onset to presentation was 9.3 hours. Successful revascularization was achieved in 81% of patients and the intracranial hemorrhage rate was 14% with no symptomatic hemorrhages. Twenty-one (50%) patients were either discharged to home or to acute rehabilitation facilities. Conclusion: LVOs was predominant in patients with AIS and COVID-19, occurring at a significantly younger age and affecting African Americans disproportionately.

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