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Articles 1 - 30 of 94

Full-Text Articles in Medicine and Health Sciences

Detection Of Oxa-23, Ges-11 And Ndm-1 Among Carbapenem-Resistant Acinetobacter Baumannii In Dubai: A Preliminary Study, Carole Ayoub Moubareck, Dalal Hammoudi Halat, Anju Nabi, Mouza A. Alsharhan, Zulfa O. Aldeesi, Aaron Han, Handan Celiloglu, Dolla Karam Sarkis Mar 2021

Detection Of Oxa-23, Ges-11 And Ndm-1 Among Carbapenem-Resistant Acinetobacter Baumannii In Dubai: A Preliminary Study, Carole Ayoub Moubareck, Dalal Hammoudi Halat, Anju Nabi, Mouza A. Alsharhan, Zulfa O. Aldeesi, Aaron Han, Handan Celiloglu, Dolla Karam Sarkis

All Works

No abstract provided.


Global Point-Of-Care Ultrasound Education And Training In The Age Of Covid-19., Onyinyechi F Eke, Patricia C. Henwood, Grace W Wanjiku, Abiola Fasina, Sigmund J Kharasch, Hamid Shokoohi Feb 2021

Global Point-Of-Care Ultrasound Education And Training In The Age Of Covid-19., Onyinyechi F Eke, Patricia C. Henwood, Grace W Wanjiku, Abiola Fasina, Sigmund J Kharasch, Hamid Shokoohi

Department of Emergency Medicine Faculty Papers

The COVID-19 pandemic has disrupted traditional global point-of-care ultrasound (POCUS) education and training, as a result of travel restrictions. It has also provided an opportunity for innovation using a virtual platform. Tele-ultrasound and video-conferencing are alternative and supportive tools to augment global POCUS education and training. There is a need to support learners and experts to ensure that maximum benefit is gained from the use of these innovative modalities.


Algorithm For Cavo-Tricuspid Isthmus Flutter On Surface Ecgs: The Actions Study., Daniel Frisch, Eitan Frankel, Deanna Gill, Jad Al Danaf Jan 2021

Algorithm For Cavo-Tricuspid Isthmus Flutter On Surface Ecgs: The Actions Study., Daniel Frisch, Eitan Frankel, Deanna Gill, Jad Al Danaf

Division of Cardiology Faculty Papers

OBJECTIVE: Cavo-tricuspid isthmus atrial flutter (CTI-AFL) is an important arrhythmia to recognise because there is a highly effective and relatively low-risk ablation strategy. However, clinical experience has demonstrated that providers often have difficulty distinguishing AFL from atrial fibrillation.

METHODS: We developed a novel ECG-based three-step algorithm to identify CTI-AFL based on established CTI flutter characteristics and verified on consecutive ablation cases of typical flutter, atypical flutter and atrial fibrillation. The algorithm assesses V1/inferior lead F-wave concordance, consistency of P-wave morphology and the presence of isoelectric intervals in the inferior leads. In this observation study, the algorithm was validated on a …


International Evidence-Based Consensus Diagnostic And Treatment Guidelines For Unicentric Castleman Disease., Frits Van Rhee, Eric Oksenhendler, Gordan Srkalovic, Peter Voorhees, Megan Lim, Angela Dispenzieri, Makoto Ide, Sophia Parente, Stephen Schey, Matthew Streetly, Raymond Wong, David Wu, Ivan Maillard, Joshua Brandstadter, Nikhil Munshi, Wilbur Bowne, Kojo S Elenitoba-Johnson, Alexander Fössa, Mary Jo Lechowicz, Shanmuganathan Chandrakasan, Sheila K Pierson, Amy Greenway, Sunita Nasta, Kazuyuki Yoshizaki, Razelle Kurzrock, Thomas S Uldrick, Corey Casper, Amy Chadburn, David C Fajgenbaum Dec 2020

International Evidence-Based Consensus Diagnostic And Treatment Guidelines For Unicentric Castleman Disease., Frits Van Rhee, Eric Oksenhendler, Gordan Srkalovic, Peter Voorhees, Megan Lim, Angela Dispenzieri, Makoto Ide, Sophia Parente, Stephen Schey, Matthew Streetly, Raymond Wong, David Wu, Ivan Maillard, Joshua Brandstadter, Nikhil Munshi, Wilbur Bowne, Kojo S Elenitoba-Johnson, Alexander Fössa, Mary Jo Lechowicz, Shanmuganathan Chandrakasan, Sheila K Pierson, Amy Greenway, Sunita Nasta, Kazuyuki Yoshizaki, Razelle Kurzrock, Thomas S Uldrick, Corey Casper, Amy Chadburn, David C Fajgenbaum

Department of Surgery Faculty Papers

Castleman disease (CD) includes a group of rare and heterogeneous disorders with characteristic lymph node histopathological abnormalities. CD can occur in a single lymph node station, which is referred to as unicentric CD (UCD). CD can also involve multicentric lymphadenopathy and inflammatory symptoms (multicentric CD [MCD]). MCD includes human herpesvirus-8 (HHV-8)-associated MCD, POEMS-associated MCD, and HHV-8-/idiopathic MCD (iMCD). The first-ever diagnostic and treatment guidelines were recently developed for iMCD by an international expert consortium convened by the Castleman Disease Collaborative Network (CDCN). The focus of this report is to establish similar guidelines for the management of UCD. To this purpose, …


Commentary: Coronavirus, Cysts, And Catheters, Olugbenga Okusanya, Ibrahim Sultan Dec 2020

Commentary: Coronavirus, Cysts, And Catheters, Olugbenga Okusanya, Ibrahim Sultan

Department of Surgery Faculty Papers

No abstract provided.


Barriers To Psychosocial Support And Quality Of Life For Patients With Inflammatory Bowel Disease: A Survey Study, Rebecca Lawrence, Md, Cuckoo Choudhary, Md Oct 2020

Barriers To Psychosocial Support And Quality Of Life For Patients With Inflammatory Bowel Disease: A Survey Study, Rebecca Lawrence, Md, Cuckoo Choudhary, Md

Department of Medicine Faculty Papers

Background: Psychological comorbidities are common among people with inflammatory bowel disease (IBD) and are associated with worse disease outcomes. Evidence-based psychotherapy is an effective means to increase psychosocial support. This study aimed to identify the barriers to attending psychotherapy.

Methods: This electronic survey study included a demographic, quality of life, and barriers to psychotherapy questionnaire. Quality of life was assessed using the Short Inflammatory Bowel Disease Questionnaire (SIBDQ). Barriers were assessed using the Perceived Barriers to Psychological Treatments scale (PBPT). Linear regression was used to identify participant characteristics associated with higher PBPT scores.

Results: One hundred eighty-seven …


Blood-Brain Barrier: Mechanisms Governing Permeability And Interaction With Peripherally Acting Μ-Opioid Receptor Antagonists., Eugene R. Viscusi, Andrew R Viscusi Sep 2020

Blood-Brain Barrier: Mechanisms Governing Permeability And Interaction With Peripherally Acting Μ-Opioid Receptor Antagonists., Eugene R. Viscusi, Andrew R Viscusi

Department of Anesthesiology Faculty Papers

The blood-brain barrier (BBB) describes the unique properties of endothelial cells (ECs) that line the central nervous system (CNS) microvasculature. The BBB supports CNS homeostasis via EC-associated transport of ions, nutrients, proteins and waste products between the brain and blood. These transport mechanisms also serve as physiological barriers to pathogens, toxins and xenobiotics to prevent them from contacting neural tissue. The mechanisms that govern BBB permeability pose a challenge to drug design for CNS disorders, including pain, but can be exploited to limit the effects of a drug to the periphery, as in the design of the peripherally acting μ-opioid …


Deacetylation Of Hsd17b10 By Sirt3 Regulates Cell Growth And Cell Resistance Under Oxidative And Starvation Stresses., Lu Liu, Shuaiyi Chen, Miao Yu, Chenxu Ge, Mengmeng Ren, Boya Liu, Xin Yang, Thomas W Christian, Ya-Ming Hou, Junhua Zou, Wei-Guo Zhu, Jianyuan Luo Jul 2020

Deacetylation Of Hsd17b10 By Sirt3 Regulates Cell Growth And Cell Resistance Under Oxidative And Starvation Stresses., Lu Liu, Shuaiyi Chen, Miao Yu, Chenxu Ge, Mengmeng Ren, Boya Liu, Xin Yang, Thomas W Christian, Ya-Ming Hou, Junhua Zou, Wei-Guo Zhu, Jianyuan Luo

Department of Biochemistry and Molecular Biology Faculty Papers

17-beta-hydroxysteroid dehydrogenase 10 (HSD17B10) plays an important role in mitochondrial fatty acid metabolism and is also involved in mitochondrial tRNA maturation. HSD17B10 missense mutations cause HSD10 mitochondrial disease (HSD10MD). HSD17B10 with mutations identified from cases of HSD10MD show loss of function in dehydrogenase activity and mitochondrial tRNA maturation, resulting in mitochondrial dysfunction. It has also been implicated to play roles in the development of Alzheimer disease (AD) and tumorigenesis. Here, we found that HSD17B10 is a new substrate of NAD-dependent deacetylase Sirtuin 3 (SIRT3). HSD17B10 is acetylated at lysine residues K79, K99 and K105 by the acetyltransferase CBP, and the …


Discoidin Domain Receptor 1 Functionally Interacts With The Igf-I System In Bladder Cancer, Simone Buraschi, Alaide Morcavallo, Thomas Neill, Manuela Stefanello, Chiara Palladino, Shi-Qiong Xu, Antonino Belfiore, Renato V. Iozzo, Andrea Morrione May 2020

Discoidin Domain Receptor 1 Functionally Interacts With The Igf-I System In Bladder Cancer, Simone Buraschi, Alaide Morcavallo, Thomas Neill, Manuela Stefanello, Chiara Palladino, Shi-Qiong Xu, Antonino Belfiore, Renato V. Iozzo, Andrea Morrione

Department of Pathology, Anatomy, and Cell Biology Faculty Papers

No abstract provided.


Diagnostic Accuracy Of Ceus Li-Rads For The Characterization Of Liver Nodules 20 Mm Or Smaller In Patients At Risk For Hepatocellular Carcinoma., Jia-Yan Huang, Jia-Wu Li, Qiang Lu, Yan Luo, Ling Lin, Yu-Jun Shi, Tao Li, Ji-Bin Liu, Andrej Lyshchik Feb 2020

Diagnostic Accuracy Of Ceus Li-Rads For The Characterization Of Liver Nodules 20 Mm Or Smaller In Patients At Risk For Hepatocellular Carcinoma., Jia-Yan Huang, Jia-Wu Li, Qiang Lu, Yan Luo, Ling Lin, Yu-Jun Shi, Tao Li, Ji-Bin Liu, Andrej Lyshchik

Department of Radiology Faculty Papers

Background: American College of Radiology contrast agent–enhanced US Liver Imaging Reporting and Data System (CEUS LI-RADS) was developed to improve the accuracy of hepatocellular carcinoma (HCC) diagnosis at contrast agent2enhanced US. However, to the knowledge of the authors, the diagnostic accuracy of the system in characterization of liver nodules 20 mm or smaller has not been fully evaluated.

Purpose: To evaluate the diagnostic accuracy of CEUS LI-RADS in diagnosing HCC in liver nodules 20 mm or smaller in patients at risk for HCC.

Materials and Methods: Between January 2015 and February 2018, consecutive patients at risk for HCC presenting with …


Liquid Biopsy In Ovarian Cancer Using Circulating Tumor Dna And Cells: Ready For Prime Time?, Du-Bois Asante, Leslie Calapre, Melanie Ziman, Tarek M. Meniawy, Elin S. Gray Jan 2020

Liquid Biopsy In Ovarian Cancer Using Circulating Tumor Dna And Cells: Ready For Prime Time?, Du-Bois Asante, Leslie Calapre, Melanie Ziman, Tarek M. Meniawy, Elin S. Gray

Research outputs 2014 to 2021

Liquid biopsies hold the potential to inform cancer patient prognosis and to guide treatment decisions at the time when direct tumor biopsy may be impractical due to its invasive nature, inaccessibility and associated complications. Specifically, circulating tumor DNA (ctDNA) and circulating tumor cells (CTCs) have shown promising results as companion diagnostic biomarkers for screening, prognostication and/or patient surveillance in many cancer types. In ovarian cancer (OC), CTC and ctDNA analysis allow comprehensive molecular profiling of the primary, metastatic and recurrent tumors. These biomarkers also correlate with overall tumor burden and thus, they provide minimally-invasive means for patient monitoring during clinical …


Elecsys Csf Biomarker Immunoassays Demonstrate Concordance With Amyloid-Pet Imaging, James A. Doecke, Larry Ward, Samantha C. Burnham, Victor L. Villemagne, Qiao-Xin Li, Steven Collins, Christopher J. Fowler, Ekaterina Manuilova, Monika Widmann, Stephanie R. Rainey-Smith, Ralph N. Martins, Colin L. Masters, Aibl Research Group Jan 2020

Elecsys Csf Biomarker Immunoassays Demonstrate Concordance With Amyloid-Pet Imaging, James A. Doecke, Larry Ward, Samantha C. Burnham, Victor L. Villemagne, Qiao-Xin Li, Steven Collins, Christopher J. Fowler, Ekaterina Manuilova, Monika Widmann, Stephanie R. Rainey-Smith, Ralph N. Martins, Colin L. Masters, Aibl Research Group

Research outputs 2014 to 2021

Background: β-amyloid (Aβ) positron emission tomography (PET) imaging is currently the only Food and Drug Administration-approved method to support clinical diagnosis of Alzheimer's disease (AD). However, numerous research studies support the use of cerebrospinal fluid (CSF) biomarkers, as a cost-efficient, quick and equally valid method to define AD pathology. Methods: Using automated Elecsys® assays (Roche Diagnostics) for Aβ (1-42) (Aβ42), Aβ (1-40) (Aβ40), total tau (tTau) and phosphorylated tau (181P) (pTau), we examined CSF samples from 202 participants of the Australian Imaging, Biomarkers and Lifestyle (AIBL) study of ageing cohort, to demonstrate the concordance with pathological AD via PET imaging. …


Randomised Placebo-Controlled Cross-Over Study Examining The Role Of Anamorelin In Mesothelioma (The Anthem Study): Rationale And Protocol, Siao Nge Hoon, Katrina Fyfe, Carolyn J. Peddle-Mcintyre, Samantha Bowyer, Felicity Hawkins, Emily Jeffery, Hui Jun Chih, Jenette Creaney, Anna Nowak, Fraser Brims Jan 2020

Randomised Placebo-Controlled Cross-Over Study Examining The Role Of Anamorelin In Mesothelioma (The Anthem Study): Rationale And Protocol, Siao Nge Hoon, Katrina Fyfe, Carolyn J. Peddle-Mcintyre, Samantha Bowyer, Felicity Hawkins, Emily Jeffery, Hui Jun Chih, Jenette Creaney, Anna Nowak, Fraser Brims

Research outputs 2014 to 2021

Introduction Cachexia is common in malignant mesothelioma (MM); half of patients have malnutrition and low skeletal muscle mass. Malnourished patients have worse quality of life (QoL). Weight loss is strongly associated with poor survival. Anamorelin is an oral ghrelin receptor agonist that improves appetite, body weight and QoL in advanced cancer. The aim of this study is to examine the efficacy of anamorelin in improving appendicular skeletal muscle mass (ASM) and patient-reported outcomes in patients with MM with cachexia. Methods and analysis A single-centre, phase II, randomised, placebo-controlled cross-over pilot study with 28-day treatment periods and 3-day washout. Forty patients …


The Effect Of Sleep Restriction, With Or Without High-Intensity Interval Exercise, On Myofibrillar Protein Synthesis In Healthy Young Men, Nicholas J. Saner, Matthew J. -C. Lee, Nathan W. Pitchford, Jujiao Kuang, Gregory D. Roach, Andrew Garnham, Tanner Stokes, Stuart M. Phillips, David J. Bishop, Jonathan D. Bartlett Jan 2020

The Effect Of Sleep Restriction, With Or Without High-Intensity Interval Exercise, On Myofibrillar Protein Synthesis In Healthy Young Men, Nicholas J. Saner, Matthew J. -C. Lee, Nathan W. Pitchford, Jujiao Kuang, Gregory D. Roach, Andrew Garnham, Tanner Stokes, Stuart M. Phillips, David J. Bishop, Jonathan D. Bartlett

Research outputs 2014 to 2021

Key points: Sleep restriction has previously been associated with the loss of muscle mass in both human and animal models. The rate of myofibrillar protein synthesis (MyoPS) is a key variable in regulating skeletal muscle mass and can be increased by performing high-intensity interval exercise (HIIE), although the effect of sleep restriction on MyoPS is unknown. In the present study, we demonstrate that participants undergoing a sleep restriction protocol (five nights, with 4 h in bed each night) had lower rates of skeletal muscle MyoPS; however, rates of MyoPS were maintained at control levels by performing HIIE during this period. …


Spatially Fractionated Radiation Therapy: History, Present And The Future, Weisi Yan, Mohammad K. Khan, Xiaodong Wu, Charles B. Simone Ii, Jiajin Fan, Eric Gressen, Xin Zhang, Charles L. Limoli, Houda Bahig, Slavisa Tubin, Waleed F. Mourad Jan 2020

Spatially Fractionated Radiation Therapy: History, Present And The Future, Weisi Yan, Mohammad K. Khan, Xiaodong Wu, Charles B. Simone Ii, Jiajin Fan, Eric Gressen, Xin Zhang, Charles L. Limoli, Houda Bahig, Slavisa Tubin, Waleed F. Mourad

Department of Radiation Oncology Faculty Papers

No abstract provided.


Use Of The Progestin Challenge Test In Diagnosing Amenorrhea: The Time Has Come To Say Goodbye., William D. Schlaff, Charles C. Coddington Jan 2020

Use Of The Progestin Challenge Test In Diagnosing Amenorrhea: The Time Has Come To Say Goodbye., William D. Schlaff, Charles C. Coddington

Department of Obstetrics and Gynecology Faculty Papers

No abstract provided.


Report Of The First Patient Treated For Pelvic Sarcoma With A Directional 103pd Brachytherapy Device., Serguei A. Castaneda, Marian Khalili, Jacqueline Emrich, Veronica M Zoghbi, Michael S Weingarten, Mark J Rivard, Wilbur B Bowne, Jaganmohan Poli Jul 2019

Report Of The First Patient Treated For Pelvic Sarcoma With A Directional 103pd Brachytherapy Device., Serguei A. Castaneda, Marian Khalili, Jacqueline Emrich, Veronica M Zoghbi, Michael S Weingarten, Mark J Rivard, Wilbur B Bowne, Jaganmohan Poli

Department of Radiation Oncology Faculty Papers

No abstract provided.


Blood-Based Molecular Biomarkers For Alzheimer's Disease, Henrik Zetterberg, Samantha C. Burnham Mar 2019

Blood-Based Molecular Biomarkers For Alzheimer's Disease, Henrik Zetterberg, Samantha C. Burnham

Research outputs 2014 to 2021

A major barrier to the effective conduct of clinical trials of new drug candidates against Alzheimer's disease (AD) and to identifying patients for receiving future disease-modifying treatments is the limited capacity of the current health system to find and diagnose patients with early AD pathology. This may be related in part to the limited capacity of the current health systems to select those people likely to have AD pathology in order to confirm the diagnosis with available cerebrospinal fluid and imaging biomarkers at memory clinics. In the current narrative review, we summarize the literature on candidate blood tests for AD …


Who Is Pirating Medical Literature? A Bibliometric Review Of 28 Million Sci-Hub Downloads., Brian M. Till, Niclas Rudolfson, Saurabh Saluja, Jesudian Gnanaraj, Lubna Samad, David Ljungman, Mark Shrime Jan 2019

Who Is Pirating Medical Literature? A Bibliometric Review Of 28 Million Sci-Hub Downloads., Brian M. Till, Niclas Rudolfson, Saurabh Saluja, Jesudian Gnanaraj, Lubna Samad, David Ljungman, Mark Shrime

Department of Surgery Faculty Papers

We aimed to define the proportion of downloads on Sci-Hub that are medical in nature and to consider these data at the national level, evaluating the relation between density of medical literature downloads and scientific output, national income classifications, and indicators of internet penetrance.


Chemical Profile And In Vivo Toxicity Evaluation Of Unripe Citrus Aurantifolia Essential Oil, Christian K. Adokoh, Du-Bois Asante, Desmond O. Acheampong, Yohei Kotsuchibashi, Francis A. Armah, Ignatius H. Sirikyi, Keisuke Kimura, Edward Gmakame, Sey Abdul-Rauf Jan 2019

Chemical Profile And In Vivo Toxicity Evaluation Of Unripe Citrus Aurantifolia Essential Oil, Christian K. Adokoh, Du-Bois Asante, Desmond O. Acheampong, Yohei Kotsuchibashi, Francis A. Armah, Ignatius H. Sirikyi, Keisuke Kimura, Edward Gmakame, Sey Abdul-Rauf

Research outputs 2014 to 2021

Citrus aurantifolia (Christm.) Swingle (syn. C. MEDICA var. ACIDA Brandis) (family: Rutaceae) essential oil is one of the cheapest oils found in local markets. Although, it is generally accepted as non-toxic to vital organs and cells, majority of people are cynical about it usage. Herein, the present study reports the chemical composition and in vivo oral toxicity study of unripe C. aurantifolia essential oil found in Ghana. The toxicity of C. aurantifolia essential oil extract was investigated via oral administration using two methods: The acute toxicity single dose study (SDS) and the repeated dose method. The oil exhibited no acute …


The Chest Australia Trial: A Randomised Controlled Trial Of An Intervention To Increase Consultation Rates In Smokers At Risk Of Lung Cancer, Jon D. Emery, Sonya R. Murray, Fiona M. Walter, Andrew Martin, Stephen Goodall, Danielle Mazza, Emily Habgood, Yvonne Kutzer, David John Barnes, Peter Murchie Jan 2019

The Chest Australia Trial: A Randomised Controlled Trial Of An Intervention To Increase Consultation Rates In Smokers At Risk Of Lung Cancer, Jon D. Emery, Sonya R. Murray, Fiona M. Walter, Andrew Martin, Stephen Goodall, Danielle Mazza, Emily Habgood, Yvonne Kutzer, David John Barnes, Peter Murchie

Research outputs 2014 to 2021

Background: International research has focused on screening and mass media campaigns to promote earlier patient presentation and detect lung cancer earlier. This trial tested the effect of a behavioural intervention in people at increased risk of lung cancer on help-seeking for respiratory symptoms.

Methods: Parallel, individually randomised controlled trial. Eligible participants were long-term smokers with at least 20 pack-years, aged 55 and above. The CHEST intervention entailed a consultation to discuss and implement a self-help manual, followed by self-monitoring reminders to encourage help-seeking for respiratory symptoms. The control group received a brief discussion about lung health. Both groups had baseline …


Additive Drug-Specific And Sex-Specific Risks Associated With Co-Use Of Marijuana And Tobacco During Pregnancy: Evidence From 3 Recent Developmental Cohorts (2003-2015)., Suena H Massey, Daniel K Mroczek, David Reiss, Emily S Miller, Jessica A Jakubowski, Eileen K Graham, Shannon M Shisler, Meaghan Mccallum, Marilyn A. Huestis, Jody M Ganiban, Daniel S Shaw, Leslie D Leve, Rina D Eiden, Laura R Stroud, Jenae M Neiderhiser Jun 2018

Additive Drug-Specific And Sex-Specific Risks Associated With Co-Use Of Marijuana And Tobacco During Pregnancy: Evidence From 3 Recent Developmental Cohorts (2003-2015)., Suena H Massey, Daniel K Mroczek, David Reiss, Emily S Miller, Jessica A Jakubowski, Eileen K Graham, Shannon M Shisler, Meaghan Mccallum, Marilyn A. Huestis, Jody M Ganiban, Daniel S Shaw, Leslie D Leve, Rina D Eiden, Laura R Stroud, Jenae M Neiderhiser

Institute of Emerging Health Professions Faculty Papers

BACKGROUND: Methodologic challenges related to the concomitant use (co-use) of substances and changes in policy and potency of marijuana contribute to ongoing uncertainty about risks to fetal neurodevelopment associated with prenatal marijuana use. In this study, we examined two biomarkers of fetal neurodevelopmental risk-birth weight and length of gestation-associated with prenatal marijuana use, independent of tobacco (TOB), alcohol (ALC), other drug use (OTH), and socioeconomic risk (SES), in a pooled sample (N = 1191) derived from 3 recent developmental cohorts (2003-2015) with state-of-the-art substance use measures. We examined differential associations by infant sex, and multiplicative effects associated with co-use of …


Determination Of An Optimal Response Cut-Off Able To Predict Progression-Free Survival In Patients With Well-Differentiated Advanced Pancreatic Neuroendocrine Tumours Treated With Sunitinib: An Alternative To The Current Recist-Defined Response., Angela Lamarca, Jorge Barriuso, Matthew Kulke, Ivan Borbath, Heinz-Josef Lenz, Jean Luc Raoul, Neal J. Meropol, Catherine Lombard-Bohas, James Posey, Sandrine Faivre, Eric Raymond, Juan W. Valle Jan 2018

Determination Of An Optimal Response Cut-Off Able To Predict Progression-Free Survival In Patients With Well-Differentiated Advanced Pancreatic Neuroendocrine Tumours Treated With Sunitinib: An Alternative To The Current Recist-Defined Response., Angela Lamarca, Jorge Barriuso, Matthew Kulke, Ivan Borbath, Heinz-Josef Lenz, Jean Luc Raoul, Neal J. Meropol, Catherine Lombard-Bohas, James Posey, Sandrine Faivre, Eric Raymond, Juan W. Valle

Department of Medical Oncology Faculty Papers

BACKGROUND: Sunitinib prolongs progression-free survival (PFS) in patients with advanced pancreatic neuroendocrine tumours (pNET). Response Evaluation Criteria in Solid Tumors (RECIST)-defined partial responses (PR; classically defined as ⩾30% size decrease from baseline) are infrequent.

METHODS: Individual data of pNET patients from the phase II [NCT00056693] and pivotal phase III [NCT00428597] trials of sunitinib were analysed in this investigator-initiated, post hoc study. The primary objective was to determine the optimal RECIST (v.1.0) response cut-off value to identify patients who were progression-free at 11 months (median PFS in phase III trial); and the most informative time-point (highest area under the curve (AUC) …


Rigor And Reproducibility In Research With Transcranial Electrical Stimulation: An Nimh-Sponsored Workshop, Marom Bikson, Andre Brunoni, Leigh Charvet, Vincent Clark, Leonardo Cohen, Zhi-De Deng, Jacek Dmochowski, Dylan Edwards, Flavio Frohlich, Emily Kappenman, Kelvin Lim, Colleen Loo, Antonio Mantovani, David Mcmullen, Lucas Parra, Michele Pearson, Jessica Richardson, Judith Rumsey, Pejman Sehatpour, David Sommers, Gozde Unal, Eric Wassermann, Adam Woods, Sarah Lisanby Jan 2018

Rigor And Reproducibility In Research With Transcranial Electrical Stimulation: An Nimh-Sponsored Workshop, Marom Bikson, Andre Brunoni, Leigh Charvet, Vincent Clark, Leonardo Cohen, Zhi-De Deng, Jacek Dmochowski, Dylan Edwards, Flavio Frohlich, Emily Kappenman, Kelvin Lim, Colleen Loo, Antonio Mantovani, David Mcmullen, Lucas Parra, Michele Pearson, Jessica Richardson, Judith Rumsey, Pejman Sehatpour, David Sommers, Gozde Unal, Eric Wassermann, Adam Woods, Sarah Lisanby

Research outputs 2014 to 2021

Background

Neuropsychiatric disorders are a leading source of disability and require novel treatments that target mechanisms of disease. As such disorders are thought to result from aberrant neuronal circuit activity, neuromodulation approaches are of increasing interest given their potential for manipulating circuits directly. Low intensity transcranial electrical stimulation (tES) with direct currents (transcranial direct current stimulation, tDCS) or alternating currents (transcranial alternating current stimulation, tACS) represent novel, safe, well-tolerated, and relatively inexpensive putative treatment modalities.

Objective

This report seeks to promote the science, technology and effective clinical applications of these modalities, identify research challenges, and suggest approaches for addressing these …


Advances In The Diagnosis, Immunopathogenesis And Therapies Of Igm-Anti-Mag Antibody-Mediated Neuropathies., Marinos Dalakas Jan 2018

Advances In The Diagnosis, Immunopathogenesis And Therapies Of Igm-Anti-Mag Antibody-Mediated Neuropathies., Marinos Dalakas

Department of Neurology Faculty Papers

Polyneuropathy with immunoglobulin M (IgM) monoclonal gammopathy is the most common paraproteinemic neuropathy, comprising a clinicopathologically and immunologically distinct entity. The clinical spectrum spans from distal paresthesias and mild gait imbalance to more severe sensory ataxia, with falls and a varying degree of distal sensorimotor deficits. In approximately 75% of patients, the monoclonal IgM immunoreacts with myelin-associated glycoprotein (MAG) and sulfoglucuronyl glycosphingolipid (SGPG), or other peripheral nerve glycolipids that serve as antigens. These antibodies are considered pathogenic because IgM and complement are deposited on the myelin sheath, splitting the myelin lamellae, while adoptive transfer of patients' IgM into susceptible host …


Of Pools, Oceans, And The Dead Sea., Samir K. Ballas Dec 2017

Of Pools, Oceans, And The Dead Sea., Samir K. Ballas

Department of Medicine Faculty Papers

In a comprehensive study in this issue of Blood, Carden and colleagues describe the importance of the tonicity of IV fluids used in the treatment of patients with sickle cell disease (SCD) during vaso-occlusive crises (VOCs). Hypertonic fluids decreased sickle red blood cell (sRBC) deformability, increased occlusion, and increased sRBC adhesion in microfluidic human microvasculature models. Hypotonic fluids decreased sRBC adhesion but prolonged sRBC transit time. Fluids with intermediate tonicities resulted in optimal changes that reduced the risk of vaso-occlusion. © 2017 by The American Society of Hematology.


Cruciferous And Allium Vegetable Intakes Are Inversely Associated With 15‐Year Atherosclerotic Vascular Disease Deaths In Older Adult Women, Lauren Blekkenhorst, Catherine P. Bondonno, Joshua Lewis, Amanda Devine, Kun Zhu, Wai Lim, Richard Woodman, Lawrence Beilin, Richard Prince, Jonathan M. Hodgson Oct 2017

Cruciferous And Allium Vegetable Intakes Are Inversely Associated With 15‐Year Atherosclerotic Vascular Disease Deaths In Older Adult Women, Lauren Blekkenhorst, Catherine P. Bondonno, Joshua Lewis, Amanda Devine, Kun Zhu, Wai Lim, Richard Woodman, Lawrence Beilin, Richard Prince, Jonathan M. Hodgson

Research outputs 2014 to 2021

Background

Higher vegetable intake is consistently associated with lower atherosclerotic vascular disease (ASVD) events. However, the components responsible and mechanisms involved are uncertain. Nonnutritive phytochemicals may be involved. The objective of this study was to investigate the associations of total vegetable intake and types of vegetables grouped according to phytochemical constituents with ASVD mortality.

Methods and Results

The cohort consisted of 1226 Australian women aged 70 years and older without clinical ASVD or diabetes mellitus at baseline (1998). Vegetable intakes were calculated per serving (75 g/d) and were also classified into prespecified types relating to phytochemical constituents. ASVD‐related deaths were …


The Kinetic Mechanism Of Bacterial Ribosome Recycling., Yuanwei Chen, Akira Kaji, Hideko Kaji, Barry S. Cooperman Sep 2017

The Kinetic Mechanism Of Bacterial Ribosome Recycling., Yuanwei Chen, Akira Kaji, Hideko Kaji, Barry S. Cooperman

Department of Biochemistry and Molecular Biology Faculty Papers

Bacterial ribosome recycling requires breakdown of the post-termination complex (PoTC), comprising a messenger RNA (mRNA) and an uncharged transfer RNA (tRNA) cognate to the terminal mRNA codon bound to the 70S ribosome. The translation factors, elongation factor G and ribosome recycling factor, are known to be required for recycling, but there is controversy concerning whether these factors act primarily to effect the release of mRNA and tRNA from the ribosome, with the splitting of the ribosome into subunits being somewhat dispensable, or whether their main function is to catalyze the splitting reaction, which necessarily precedes mRNA and tRNA release. Here, …


Efficacy And Safety Of Spironolactone In Acute Heart Failure: The Athena-Hf Randomized Clinical Trial., Javed Butler, Kevin J. Anstrom, G. Michael Felker, Michael M. Givertz, Andreas P Kalogeropoulos, Marvin A. Konstam, Douglas L. Mann, Kenneth B. Margulies, Steven E Mcnulty, Robert J. Mentz, Margaret M. Redfield, W.H. Wilson Tang, David J. Whellan, Monica Shah, Patrice Desvigne-Nickens, Adrian F. Hernandez, Eugene Braunwald Sep 2017

Efficacy And Safety Of Spironolactone In Acute Heart Failure: The Athena-Hf Randomized Clinical Trial., Javed Butler, Kevin J. Anstrom, G. Michael Felker, Michael M. Givertz, Andreas P Kalogeropoulos, Marvin A. Konstam, Douglas L. Mann, Kenneth B. Margulies, Steven E Mcnulty, Robert J. Mentz, Margaret M. Redfield, W.H. Wilson Tang, David J. Whellan, Monica Shah, Patrice Desvigne-Nickens, Adrian F. Hernandez, Eugene Braunwald

Department of Medicine Faculty Papers

Importance: Persistent congestion is associated with worse outcomes in acute heart failure (AHF). Mineralocorticoid receptor antagonists administered at high doses may relieve congestion, overcome diuretic resistance, and mitigate the effects of adverse neurohormonal activation in AHF.

Objective: To assess the effect of high-dose spironolactone and usual care on N-terminal pro-B-type natriuretic peptide (NT-proBNP) levels compared with usual care alone.

Design, Setting, and Participants: This double-blind and placebo (or low-dose)-controlled randomized clinical trial was conducted in 22 US acute care hospitals among patients with AHF who were previously receiving no or low-dose (12.5 mg or 25 mg daily) spironolactone and had …


Body Mass Index Adjustments To Increase The Validity Of Body Fatness Assessment In Uk Black African And South Asian Children, M. T. Hudda, C. M. Nightingale, A. S. Donin, M. S. Fewtrell, D. Haroun, S. Lum, J. E. Williams, C. G. Owen, A. R. Rudnicka, J. C.K. Wells, D. G. Cook, P. H. Whincup Jul 2017

Body Mass Index Adjustments To Increase The Validity Of Body Fatness Assessment In Uk Black African And South Asian Children, M. T. Hudda, C. M. Nightingale, A. S. Donin, M. S. Fewtrell, D. Haroun, S. Lum, J. E. Williams, C. G. Owen, A. R. Rudnicka, J. C.K. Wells, D. G. Cook, P. H. Whincup

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© 2017 Macmillan Publishers Limited, part of Springer Nature. BACKGROUND/OBJECTIVES: Body mass index (BMI) (weight per height2) is the most widely used marker of childhood obesity and total body fatness (BF). However, its validity is limited, especially in children of South Asian and Black African origins. We aimed to quantify BMI adjustments needed for UK children of Black African and South Asian origins so that adjusted BMI related to BF in the same way as for White European children. METHODS: We used data from four recent UK studies that made deuterium dilution BF measurements in UK children of White European, …