10 results on '"Lisa Herring"'
Search Results
2. Atypical Seropositive Striated Muscle Antibody Myasthenia Gravis Presentation With Metastatic B1 Thymoma: A Rare Case
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Johnny S Randhawa, Lauren S Kim, Cesar Aguilar, Alexander T Phan, Hadi Abou-El-Hassan, and Lisa Herring Sovory
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General Engineering - Published
- 2023
3. Molnupiravir versus placebo in unvaccinated and vaccinated patients with early SARS-CoV-2 infection in the UK (AGILE CST-2): a randomised, placebo-controlled, double-blind, phase 2 trial
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Saye H Khoo, Richard FitzGerald, Geoffrey Saunders, Calley Middleton, Shazaad Ahmad, Christopher J Edwards, Dennis Hadjiyiannakis, Lauren Walker, Rebecca Lyon, Victoria Shaw, Pavel Mozgunov, Jimstan Periselneris, Christie Woods, Katie Bullock, Colin Hale, Helen Reynolds, Nichola Downs, Sean Ewings, Amanda Buadi, David Cameron, Thomas Edwards, Emma Knox, I'ah Donovan-Banfield, William Greenhalf, Justin Chiong, Lara Lavelle-Langham, Michael Jacobs, Josh Northey, Wendy Painter, Wayne Holman, David G Lalloo, Michelle Tetlow, Julian A Hiscox, Thomas Jaki, Thomas Fletcher, Gareth Griffiths, Nicholas Paton, Fred Hayden, Janet Darbyshire, Amy Lucas, Ulrika Lorch, Andrew Freedman, Richard Knight, Stevan Julious, Rachel Byrne, Ana Cubas Atienzar, Jayne Jones, Chris Williams, Anna Song, Jan Dixon, Anja Alexandersson, Parys Hatchard, Emma Tilt, Andrew Titman, Ale Doce Carracedo, Vatsi Chandran Gorner, Andrea Davies, Louis Woodhouse, Nicola Carlucci, Emmanuel Okenyi, Marcin Bula, Kate Dodd, Jennifer Gibney, Lesley Dry, Zalina Rashid Gardner, Amin Sammour, Christine Cole, Tim Rowland, Maria Tsakiroglu, Vincent Yip, Rostam Osanlou, Anna Stewart, Ben Parker, Tolga Turgut, Afshan Ahmed, Kay Starkey, Sujamole Subin, Jennifer Stockdale, Lisa Herring, Jonathon Baker, Abigail Oliver, Mihaela Pacurar, Dan Owens, Alistair Munro, Gavin Babbage, Saul Faust, Matthew Harvey, Danny Pratt, Deepak Nagra, Aashish Vyas, Jaki, Thomas [0000-0002-1096-188X], and Apollo - University of Cambridge Repository
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Adult ,Male ,COVID-19 Vaccines ,Adolescent ,SARS-CoV-2 ,COVID-19 ,Bayes Theorem ,Antiviral Agents ,United Kingdom ,Infectious Diseases ,Treatment Outcome ,Double-Blind Method ,Humans ,Female - Abstract
Background: the antiviral drug molnupiravir was licensed for treating at-risk patients with COVID-19 on the basis of data from unvaccinated adults. We aimed to evaluate the safety and virological efficacy of molnupiravir in vaccinated and unvaccinated individuals with COVID-19.Methods: this randomised, placebo-controlled, double-blind, phase 2 trial (AGILE CST-2) was done at five National Institute for Health and Care Research sites in the UK. Eligible participants were adult (aged ≥18 years) outpatients with PCR-confirmed, mild-to-moderate SARS-CoV-2 infection who were within 5 days of symptom onset. Using permuted blocks (block size 2 or 4) and stratifying by site, participants were randomly assigned (1:1) to receive either molnupiravir (orally; 800 mg twice daily for 5 days) plus standard of care or matching placebo plus standard of care. The primary outcome was the time from randomisation to SARS-CoV-2 PCR negativity on nasopharyngeal swabs and was analysed by use of a Bayesian Cox proportional hazards model for estimating the probability of a superior virological response (hazard ratio [HR]>1) for molnupiravir versus placebo. Our primary model used a two-point prior based on equal prior probabilities (50%) that the HR was 1·0 or 1·5. We defined a priori that if the probability of a HR of more than 1 was more than 80% molnupiravir would be recommended for further testing. The primary outcome was analysed in the intention-to-treat population and safety was analysed in the safety population, comprising participants who had received at least one dose of allocated treatment. This trial is registered in ClinicalTrials.gov, NCT04746183, and the ISRCTN registry, ISRCTN27106947, and is ongoing.Findings: between Nov 18, 2020, and March 16, 2022, 1723 patients were assessed for eligibility, of whom 180 were randomly assigned to receive either molnupiravir (n=90) or placebo (n=90) and were included in the intention-to-treat analysis. 103 (57%) of 180 participants were female and 77 (43%) were male and 90 (50%) participants had received at least one dose of a COVID-19 vaccine. SARS-CoV-2 infections with the delta (B.1.617.2; 72 [40%] of 180), alpha (B.1.1.7; 37 [21%]), omicron (B.1.1.529; 38 [21%]), and EU1 (B.1.177; 28 [16%]) variants were represented. All 180 participants received at least one dose of treatment and four participants discontinued the study (one in the molnupiravir group and three in the placebo group). Participants in the molnupiravir group had a faster median time from randomisation to negative PCR (8 days [95% CI 8-9]) than participants in the placebo group (11 days [10-11]; HR 1·30, 95% credible interval 0·92-1·71; log-rank p=0·074). The probability of molnupiravir being superior to placebo (HR>1) was 75·4%, which was less than our threshold of 80%. 73 (81%) of 90 participants in the molnupiravir group and 68 (76%) of 90 participants in the placebo group had at least one adverse event by day 29. One participant in the molnupiravir group and three participants in the placebo group had an adverse event of a Common Terminology Criteria for Adverse Events grade 3 or higher severity. No participants died (due to any cause) during the trial.Interpretation: we found molnupiravir to be well tolerated and, although our predefined threshold was not reached, we observed some evidence that molnupiravir has antiviral activity in vaccinated and unvaccinated individuals infected with a broad range of SARS-CoV-2 variants, although this evidence is not conclusive.Funding: Ridgeback Biotherapeutics, the UK National Institute for Health and Care Research, the Medical Research Council, and the Wellcome Trust.
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- 2022
4. Coronary Sinus-Ventricular Accessory Connections Producing Posteroseptal and Left Posterior Accessory Pathways
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Yingxian Sun, Karen J. Beckman, Daniel L. Lustgarten, Sunny S. Po, Mauricio Arruda, Warren M. Jackman, Lisa Herring, Ralph Lazzara, James Calame, Peter S. Spector, Hiroshi Nakagawa, and Kenichiro Otomo
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Coronary Vessel Anomalies ,Heart Ventricles ,Middle Cardiac Vein ,Accessory pathway ,Coronary Angiography ,Coronary sinus diverticulum ,Heart Conduction System ,Physiology (medical) ,Heart Septum ,medicine ,Humans ,Coronary sinus ,Coronary Vein ,medicine.diagnostic_test ,business.industry ,Body Surface Potential Mapping ,Models, Cardiovascular ,Arrhythmias, Cardiac ,Anatomy ,Small cardiac vein ,Coronary Vessels ,Heart septum ,Diverticulum ,medicine.vein ,Angiography ,Cardiology and Cardiovascular Medicine ,business - Abstract
Background— The coronary sinus (CS) has a myocardial coat (CSMC) with extensive connections to the left and right atria. We postulated that some posteroseptal and left posterior accessory pathways (CSAPs) result from connections between a cuff of CSMC extending along the middle cardiac vein (MCV) or posterior coronary vein (PCV) and the ventricle. The purpose of the present study was to use CS angiography and mapping to define and determine the incidence of CSAPs and determine the relationship to CS anatomy. Methods and Results— CSAP was defined by accessory pathway (AP) potential or earliest activation in the MCV or PCV and late activation at anular endocardial sites. A CSAP was identified in 171 of 480 patients undergoing ablation of a posteroseptal or left posterior AP. CS angiography revealed a CS diverticulum in 36 (21%) and fusiform or bulbous enlargement of the small cardiac vein, MCV, or CS in 15 (9%) patients. The remaining 120 (70%) patients had an angiographically normal CS. A CSMC extension potential (CSE), like an AP potential, was recorded in the MCV in 98 (82%), in the PCV in 13 (11%), in both the MCV and PCV in 6 (5%), and in the CS in 3 (2%) of 120 patients. CSMC potentials were recorded between the timing of atrial and CSE potentials. Conclusions— CSAPs result from a connection between a CSMC extension (along the MCV or PCV) and the ventricle. The CS is angiographically normal in most patients.
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- 2002
5. Catheter Ablation of Macroreentrant Right and Left Atrial Tachycardias
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Sunny S. Po, Karen J. Beckman, Himanshu Shukla, Sameer Oza, Hiroshi Nakagawa, Richard Wu, Lisa Herring, Warren M. Jackman, Deborah Lockwood, Katsuaki Yokoyama, and Ralph Lazzara
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medicine.medical_specialty ,Left atrial ,business.industry ,medicine.medical_treatment ,Internal medicine ,medicine ,Cardiology ,Catheter ablation ,business ,Coronary sinus - Published
- 2008
6. Relation between pulmonary vein firing and extent of left atrial-pulmonary vein connection in patients with atrial fibrillation
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Lisa Herring, Hiroshi Nakagawa, Warren M. Jackman, Karen J. Beckman, Ralph Lazzara, Dalip Singh, Daniel L. Lustgarten, Peter S. Spector, Sunny S. Po, Hiroshi Aoyama, Richard Wu, Can Hasdemir, Deborah Lockwood, and James Calame
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Male ,medicine.medical_specialty ,Cardiac Catheterization ,medicine.medical_treatment ,Action Potentials ,Catheter ablation ,Cardioversion ,Pulmonary vein ,Electrocardiography ,Heart Conduction System ,Physiology (medical) ,Internal medicine ,Atrial Fibrillation ,Medicine ,Humans ,Heart Atria ,Atrium (heart) ,Vein ,Electrodes ,Fibrillation ,medicine.diagnostic_test ,business.industry ,Isoproterenol ,Atrial fibrillation ,Equipment Design ,Adrenergic beta-Agonists ,Middle Aged ,medicine.disease ,medicine.anatomical_structure ,Treatment Outcome ,Pulmonary Veins ,Cardiology ,Catheter Ablation ,Female ,medicine.symptom ,Cardiology and Cardiovascular Medicine ,business ,Magnetic Resonance Angiography - Abstract
Background— The purpose of this study was to measure the extent of left atrial–pulmonary vein (LA-PV) connections and determine the relation to PV firing in patients with atrial fibrillation (AF). Methods and Results— Ten close-bipolar (1 mm-spacing) Lasso electrograms were recorded circumferentially around 210 PVs (excluding 2 right middle PVs and 4 left common trunks) in 62 patients with AF. PV firing was provoked by isoproterenol (4 μg/min) and cardioversion of pacing-induced AF. The width of each LA-PV connection was measured in tenths of PV circumference, based on number of continuous close-bipolar Lasso electrode sites required for ablation (10% for each close-bipolar electrode site). One, 2, or 3 to 4 discrete LA-PV connections (discrete connection defined by ablation along 10% to 30% of PV circumference) were present in 18 (9%), 31 (14%), and 32 (15%) of 210 PVs, respectively: 1 broad connection (ablation along continuous 40% to 80% circumference) in 46 (22%) PVs; 1 broad plus other broad or discrete connections in 54 (26%) PVs; and a circumferential connection (ablation along 90% to 100%) in 29 (14%) PVs. Circumferential LA-PV connections were more common in superior than in inferior PVs (20% versus 7%, P P P Conclusions— The extent of LA-PV connections corresponds with arrhythmognesis. The incidence of PV firing increases with progressively wider LA-PV connections (discrete versus broad versus circumferential).
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- 2004
7. Localization of left atrial autonomic ganglionated plexuses using endocardial and epicardial high frequency stimulation in patients with atrial fibrillation
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Hiroshi Nakagawa, Lisa Herring, Richard Wu, Deborah Lockwood, J. Andrew Armour, Katsuaki Yokoyama, Warren M. Jackman, Marvin D. Peyton, Benjamin J. Scherlag, Randall K. Wolf, Sunny S. Po, and Ralph Lazzara
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medicine.medical_specialty ,High frequency stimulation ,business.industry ,P wave ,Atrial fibrillation ,medicine.disease ,Left atrial ,Physiology (medical) ,Internal medicine ,medicine ,Cardiology ,In patient ,Cardiology and Cardiovascular Medicine ,business - Published
- 2005
8. AB18-3
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Sunny S. Po, Hiroshi Nakagawa, Karen J. Beckman, Lisa Herring, Warren M. Jackman, Richard Wu, Katsuaki Yokoyama, Deborah Lockwood, and Ralph Lazzara
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Tachycardia ,medicine.medical_specialty ,Isolation (health care) ,business.industry ,medicine.medical_treatment ,Ablation ,Pulmonary vein ,Left atrial ,Physiology (medical) ,Internal medicine ,Cardiology ,medicine ,medicine.symptom ,Cardiology and Cardiovascular Medicine ,business ,Antrum - Published
- 2006
9. AB3-5
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Hiroshi Nakagawa, Lisa Herring, Sunny S. Po, Katsuaki Yokoyama, Richard Wu, Warren M. Jackman, Deborah Lockwood, Ralph Lazzara, Karen J. Beckman, and Benjamin J. Scherlag
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medicine.medical_specialty ,business.industry ,Physiology (medical) ,Internal medicine ,medicine ,Cardiology ,Atrial fibrillation ,Cardiology and Cardiovascular Medicine ,medicine.disease ,business - Published
- 2006
10. Using a Virtual Simulation Workshop to Teach Interns Evidence-Based Feedback Techniques.
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Ogunyemi D, Thind BS, Chang K, Mohammed S, Osumah M, Flores R, Lee T, Sovory LH, Arabian S, and Raval N
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Background The Accreditation Council for Graduate Medical Education requires residents to demonstrate competence in integrating feedback into their daily practice. With the shift to virtual medical education during the pandemic, the need for new skills in delivering effective feedback through virtual media has emerged. Methodology This study aimed to assess the feasibility of a virtual bootcamp for interns, utilizing virtual simulation workshops to teach effective feedback skills. The curriculum employed a situated learning-guided participation framework. Virtual standardized students participated, and interns engaged in activities such as providing virtual feedback, completing self-assessments, and receiving instruction on feedback principles, including the one-minute preceptor's five micro-skills. Interns repeated the feedback process, with virtual students providing assessments. Data were collected from 105 incoming interns at Arrowhead Regional Medical Center in June 2021 and June 2022, using Zoom® as the online platform. Results Competency assessments revealed a significant post-training increase in proficiency/expert milestones (88% versus 47%, p = 0.007). Interns' self-assessments also significantly improved (18.02 versus 16.74, p = 0.001), particularly for previously trained interns (18.27 versus 16.7). Non-primary care interns outperformed primary care interns in milestone scores. The majority of interns (80%) reported valuable learning experiences during the workshop, with 70% expressing confidence in using the one-minute preceptor technique during residency. The one-minute preceptor step "reinforce what was right" was deemed the easiest, while "obtain commitment" and "explore emotional reaction" presented significant challenges. Conclusions This study demonstrates the potential of virtual workshops to enhance intern competency in delivering effective feedback through formal processes and the one-minute preceptor. These virtual approaches offer innovative alternatives to in-person teaching, enabling evaluation at higher levels of Miller's pyramid of clinical competence., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2023, Ogunyemi et al.)
- Published
- 2023
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