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Morton ME, Sandage MJ. Sex and Race Reporting and Representation in Noncancerous Voice Clinical Trials: A Meta-Analysis of National Institutes of Health-Registered Research Between 1988 and 2021. JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2022; 65:2594-2607. [PMID: 35858261 DOI: 10.1044/2022_jslhr-22-00141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
PURPOSE The purpose of this meta-analysis was to assess the frequency of sex, race, and ethnicity reporting and proportional representation in funded, noncancerous voice clinical trials to determine the state of compliance with National Institutes of Health (NIH) guidelines for inclusivity in clinical research. METHOD Clinical trials registered with the NIH/U.S. National Library of Medicine between January 1988 and September 2021 were analyzed. Primary reports of the trials were obtained from clinicaltrials.gov and PubMed. Outcomes included the proportion of trials reporting sex, race, and ethnicity and the proportion of participants by sex, race, and ethnicity in the trials. Descriptive statistics and chi-square tests were used to analyze the data with 95% confidence intervals (CIs) reported. RESULTS The search yielded 46 research studies. After inclusion and exclusion criteria were applied and attempts to locate studies were conducted, 11 total articles were ultimately evaluated. Descriptively, there were more female subjects, yet overall, no significant difference in sex distribution (χ2 = 0.07, p = .75, 95% CI [-0.25, -0.19]). Race and ethnicity were only reported in two clinical trials. Black participants were underrepresented in one clinical trial (χ2 = 4.93, p = .02, 95% CI [-0.11, -0.02]), whereas Hispanic participants were underrepresented in a second trial (χ2 = 11.27, p < .00, 95% CI [-0.20, - 0.13]). CONCLUSIONS This preliminary analysis highlights the disparities in race and ethnicity recruitment and reporting in noncancerous voice clinical trials. There is a need for strategic recruitment strategies and improved reporting practices to adhere to the NIH inclusivity directives.
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Affiliation(s)
| | - Mary J Sandage
- Department of Speech, Language, and Hearing Sciences, Auburn University, AL
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2
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Huynh-Le MP, Fan CC, Karunamuni R, Thompson WK, Martinez ME, Eeles RA, Kote-Jarai Z, Muir K, Schleutker J, Pashayan N, Batra J, Grönberg H, Neal DE, Donovan JL, Hamdy FC, Martin RM, Nielsen SF, Nordestgaard BG, Wiklund F, Tangen CM, Giles GG, Wolk A, Albanes D, Travis RC, Blot WJ, Zheng W, Sanderson M, Stanford JL, Mucci LA, West CML, Kibel AS, Cussenot O, Berndt SI, Koutros S, Sørensen KD, Cybulski C, Grindedal EM, Menegaux F, Khaw KT, Park JY, Ingles SA, Maier C, Hamilton RJ, Thibodeau SN, Rosenstein BS, Lu YJ, Watya S, Vega A, Kogevinas M, Penney KL, Huff C, Teixeira MR, Multigner L, Leach RJ, Cannon-Albright L, Brenner H, John EM, Kaneva R, Logothetis CJ, Neuhausen SL, De Ruyck K, Pandha H, Razack A, Newcomb LF, Fowke JH, Gamulin M, Usmani N, Claessens F, Gago-Dominguez M, Townsend PA, Bush WS, Roobol MJ, Parent MÉ, Hu JJ, Mills IG, Andreassen OA, Dale AM, Seibert TM. Polygenic hazard score is associated with prostate cancer in multi-ethnic populations. Nat Commun 2021; 12:1236. [PMID: 33623038 PMCID: PMC7902617 DOI: 10.1038/s41467-021-21287-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Accepted: 01/12/2021] [Indexed: 12/23/2022] Open
Abstract
Genetic models for cancer have been evaluated using almost exclusively European data, which could exacerbate health disparities. A polygenic hazard score (PHS1) is associated with age at prostate cancer diagnosis and improves screening accuracy in Europeans. Here, we evaluate performance of PHS2 (PHS1, adapted for OncoArray) in a multi-ethnic dataset of 80,491 men (49,916 cases, 30,575 controls). PHS2 is associated with age at diagnosis of any and aggressive (Gleason score ≥ 7, stage T3-T4, PSA ≥ 10 ng/mL, or nodal/distant metastasis) cancer and prostate-cancer-specific death. Associations with cancer are significant within European (n = 71,856), Asian (n = 2,382), and African (n = 6,253) genetic ancestries (p < 10-180). Comparing the 80th/20th PHS2 percentiles, hazard ratios for prostate cancer, aggressive cancer, and prostate-cancer-specific death are 5.32, 5.88, and 5.68, respectively. Within European, Asian, and African ancestries, hazard ratios for prostate cancer are: 5.54, 4.49, and 2.54, respectively. PHS2 risk-stratifies men for any, aggressive, and fatal prostate cancer in a multi-ethnic dataset.
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Affiliation(s)
- Minh-Phuong Huynh-Le
- Department of Radiation Medicine and Applied Sciences, University of California San Diego, La Jolla, CA, USA
- Center for Multimodal Imaging and Genetics, University of California San Diego, La Jolla, CA, USA
| | - Chun Chieh Fan
- Center for Multimodal Imaging and Genetics, University of California San Diego, La Jolla, CA, USA
| | - Roshan Karunamuni
- Department of Radiation Medicine and Applied Sciences, University of California San Diego, La Jolla, CA, USA
- Center for Multimodal Imaging and Genetics, University of California San Diego, La Jolla, CA, USA
| | - Wesley K Thompson
- Division of Biostatistics and Halicioğlu Data Science Institute, University of California San Diego, La Jolla, CA, USA
- Department of Family Medicine and Public Health, University of California San Diego, La Jolla, CA, USA
| | - Maria Elena Martinez
- Moores Cancer Center, Department of Family Medicine and Public Health, University of California San Diego, La Jolla, CA, USA
| | - Rosalind A Eeles
- The Institute of Cancer Research, London, UK
- Royal Marsden NHS Foundation Trust, London, UK
| | | | - Kenneth Muir
- Division of Population Health, Health Services Research and Primary Care, University of Manchester, Oxford Road, Manchester, UK
- Warwick Medical School, University of Warwick, Coventry, UK
| | - Johanna Schleutker
- Institute of Biomedicine, Kiinamyllynkatu 10, FI-20014 University of Turku, Turku, Finland
- Department of Medical Genetics, Genomics, Laboratory Division, Turku University Hospital, Turku, Finland
| | - Nora Pashayan
- University College London, Department of Applied Health Research, London, UK
- Centre for Cancer Genetic Epidemiology, Department of Oncology, University of Cambridge, Strangeways Laboratory, Worts Causeway, Cambridge, UK
- Department of Applied Health Research, University College London, London, UK
| | - Jyotsna Batra
- Australian Prostate Cancer Research Centre-Qld, Institute of Health and Biomedical Innovation and School of Biomedical Sciences, Queensland University of Technology, Brisbane, QLD, Australia
- Translational Research Institute, Brisbane, QLD, Australia
| | - Henrik Grönberg
- Department of Medical Epidemiology and Biostatistics, Karolinska Institute, Stockholm, Sweden
| | - David E Neal
- Nuffield Department of Surgical Sciences, University of Oxford, John Radcliffe Hospital, Headington, Oxford, UK
- Department of Oncology, University of Cambridge, Addenbrooke's Hospital, Cambridge, UK
- Cancer Research UK, Cambridge Research Institute, Li Ka Shing Centre, Cambridge, UK
| | - Jenny L Donovan
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Freddie C Hamdy
- Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
- Faculty of Medical Science, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - Richard M Martin
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
- National Institute for Health Research (NIHR) Biomedical Research Centre, University of Bristol, Bristol, UK
- Medical Research Council (MRC) Integrative Epidemiology Unit, University of Bristol, Bristol, UK
| | - Sune F Nielsen
- Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Department of Clinical Biochemistry, Herlev and Gentofte Hospital, Copenhagen University Hospital, Herlev, Copenhagen, Denmark
| | - Børge G Nordestgaard
- Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Department of Clinical Biochemistry, Herlev and Gentofte Hospital, Copenhagen University Hospital, Herlev, Copenhagen, Denmark
| | - Fredrik Wiklund
- Department of Medical Epidemiology and Biostatistics, Karolinska Institute, Stockholm, Sweden
| | - Catherine M Tangen
- SWOG Statistical Center, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Graham G Giles
- Cancer Epidemiology Division, Cancer Council Victoria, Melbourne, VIC, Australia
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Parkville, VIC, Australia
- Precision Medicine, School of Clinical Sciences at Monash Health, Monash University, Clayton, VIC, Australia
| | - Alicja Wolk
- Division of Nutritional Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
| | - Demetrius Albanes
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, Bethesda, MD, USA
| | - Ruth C Travis
- Cancer Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, UK
| | - William J Blot
- Division of Epidemiology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
- International Epidemiology Institute, Rockville, MD, USA
| | - Wei Zheng
- Division of Epidemiology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Maureen Sanderson
- Department of Family and Community Medicine, Meharry Medical College, Nashville, TN, USA
| | - Janet L Stanford
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
- Department of Epidemiology, School of Public Health, University of Washington, Seattle, WA, USA
| | - Lorelei A Mucci
- Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, MA, USA
| | - Catharine M L West
- Division of Cancer Sciences, University of Manchester, Manchester Academic Health Science Centre, Radiotherapy Related Research, The Christie Hospital NHS Foundation Trust, Manchester, UK
| | - Adam S Kibel
- Division of Urologic Surgery, Brigham and Womens Hospital, Boston, MA, USA
| | - Olivier Cussenot
- Sorbonne Universite, GRC n°5, AP-HP, Tenon Hospital, 4 Rue de la Chine, Paris, France
- CeRePP, Tenon Hospital, Paris, France
| | - Sonja I Berndt
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, Bethesda, MD, USA
| | - Stella Koutros
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, Bethesda, MD, USA
| | - Karina Dalsgaard Sørensen
- Department of Molecular Medicine, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Cezary Cybulski
- International Hereditary Cancer Center, Department of Genetics and Pathology, Pomeranian Medical University, Szczecin, Poland
| | | | - Florence Menegaux
- Cancer & Environment Group, Center for Research in Epidemiology and Population Health (CESP), INSERM, University Paris-Sud, University Paris-Saclay, Villejuif Cédex, France
- Paris-Sud University, UMRS 1018, Villejuif Cedex, France
| | - Kay-Tee Khaw
- Clinical Gerontology Unit, University of Cambridge, Cambridge, UK
| | - Jong Y Park
- Department of Cancer Epidemiology, Moffitt Cancer Center, Tampa, FL, USA
| | - Sue A Ingles
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California/Norris Comprehensive Cancer Center, Los Angeles, CA, USA
| | | | - Robert J Hamilton
- Department of Surgical Oncology, Princess Margaret Cancer Centre, Toronto, ON, Canada
- Department of Surgery (Urology), University of Toronto, Toronto, ON, Canada
| | - Stephen N Thibodeau
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - Barry S Rosenstein
- Department of Radiation Oncology and Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY, USA
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Yong-Jie Lu
- Centre for Molecular Oncology, Barts Cancer Institute, Queen Mary University of London, John Vane Science Centre, Charterhouse Square, London, UK
| | | | - Ana Vega
- Fundación Pública Galega Medicina Xenómica, Santiago De Compostela, Spain
- Instituto de Investigación Sanitaria de Santiago de Compostela, Santiago De Compostela, Spain
- Centro de Investigación en Red de Enfermedades Raras (CIBERER), Santiago De Compostela, Spain
| | - Manolis Kogevinas
- ISGlobal, Barcelona, Spain
- IMIM (Hospital del Mar Medical Research Institute), Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Barcelona, Spain
| | - Kathryn L Penney
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital/Harvard Medical School, Boston, MA, USA
| | - Chad Huff
- The University of Texas M. D. Anderson Cancer Center, Houston, TX, USA
| | - Manuel R Teixeira
- Department of Genetics, Portuguese Oncology Institute of Porto (IPO-Porto), Porto, Portugal
- Biomedical Sciences Institute (ICBAS), University of Porto, Porto, Portugal
| | - Luc Multigner
- Univ Rennes, Inserm, EHESP, Irset (Institut de Recherche en Santé, Environnement et Travail)-UMR_S 1085, Rennes, France
| | - Robin J Leach
- Department of Urology, Mays Cancer Center, University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
| | - Lisa Cannon-Albright
- Division of Epidemiology, Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, UT, USA
- George E. Wahlen Department of Veterans Affairs Medical Center, Salt Lake City, UT, USA
| | - Hermann Brenner
- Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Heidelberg, Germany
- German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
- Division of Preventive Oncology, German Cancer Research Center (DKFZ) and National Center for Tumor Diseases (NCT), Im Neuenheimer Feld 460, Heidelberg, Germany
| | - Esther M John
- Department of Medicine, Division of Oncology, Stanford Cancer Institute, Stanford University School of Medicine, Stanford, CA, USA
| | - Radka Kaneva
- Molecular Medicine Center, Department of Medical Chemistry and Biochemistry, Medical University of Sofia, Sofia, Bulgaria
| | - Christopher J Logothetis
- The University of Texas M. D. Anderson Cancer Center, Department of Genitourinary Medical Oncology, Houston, TX, USA
| | - Susan L Neuhausen
- Department of Population Sciences, Beckman Research Institute of the City of Hope, Duarte, CA, USA
| | - Kim De Ruyck
- Ghent University, Faculty of Medicine and Health Sciences, Basic Medical Sciences, Gent, Belgium
| | | | - Azad Razack
- Department of Surgery, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Lisa F Newcomb
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
- Department of Urology, University of Washington, Seattle, WA, USA
| | - Jay H Fowke
- Department of Medicine and Urologic Surgery, Vanderbilt University Medical Center, Nashville, TN, USA
- Division of Epidemiology, Department of Preventive Medicine, The University of Tennessee Health Science Center, Memphis, TN, USA
| | - Marija Gamulin
- Department of Oncology, University Hospital Centre Zagreb, University of Zagreb, School of Medicine, Zagreb, Croatia
| | - Nawaid Usmani
- Department of Oncology, Cross Cancer Institute, University of Alberta, Edmonton, Alberta, Canada
- Division of Radiation Oncology, Cross Cancer Institute, Edmonton, Alberta, Canada
| | - Frank Claessens
- Department of Cellular and Molecular Medicine, Molecular Endocrinology Laboratory, KU Leuven, Leuven, Belgium
| | - Manuela Gago-Dominguez
- Genomic Medicine Group, Galician Foundation of Genomic Medicine, Instituto de Investigacion Sanitaria de Santiago de Compostela (IDIS), Complejo Hospitalario Universitario de Santiago, Servicio Galego de Saúde, SERGAS, Santiago de Compostela, Spain
- University of California San Diego, Moores Cancer Center, La Jolla, CA, USA
| | - Paul A Townsend
- Division of Cancer Sciences, Manchester Cancer Research Centre, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, NIHR Manchester Biomedical Research Centre, Health Innovation Manchester, University of Manchester, Manchester, UK
| | - William S Bush
- Case Western Reserve University, Department of Population and Quantitative Health Sciences, Cleveland Institute for Computational Biology, Cleveland, OH, USA
| | - Monique J Roobol
- Department of Clinical Chemistry, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Marie-Élise Parent
- Epidemiology and Biostatistics Unit, Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique, Laval, QC, Canada
- Department of Social and Preventive Medicine, School of Public Health, University of Montreal, Montreal, QC, Canada
| | - Jennifer J Hu
- The University of Miami School of Medicine, Sylvester Comprehensive Cancer Center, Miami, FL, USA
| | - Ian G Mills
- Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
| | - Ole A Andreassen
- NORMENT, KG Jebsen Centre, Oslo University Hospital and University of Oslo, Oslo, Norway
| | - Anders M Dale
- Center for Multimodal Imaging and Genetics, University of California San Diego, La Jolla, CA, USA
- Department of Radiology, University of California San Diego, La Jolla, CA, USA
| | - Tyler M Seibert
- Department of Radiation Medicine and Applied Sciences, University of California San Diego, La Jolla, CA, USA.
- Center for Multimodal Imaging and Genetics, University of California San Diego, La Jolla, CA, USA.
- Department of Radiology, University of California San Diego, La Jolla, CA, USA.
- Department of Bioengineering, University of California San Diego, La Jolla, CA, USA.
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3
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Kirsch E, Szejko N, Falcone GJ. Genetic underpinnings of cerebral edema in acute brain injury: an opportunity for pathway discovery. Neurosci Lett 2020; 730:135046. [PMID: 32464484 PMCID: PMC7372633 DOI: 10.1016/j.neulet.2020.135046] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 05/06/2020] [Accepted: 05/07/2020] [Indexed: 11/27/2022]
Abstract
Cerebral edema constitutes an important contributor to secondary injury in acute brain injury. The quantification of cerebral edema in neuroimaging, a well-established biomarker of secondary brain injury, represents a useful intermediate phenotype to study edema formation. Population genetics provides powerful tools to identify novel susceptibility genes, biological pathways and therapeutic targets related to brain edema formation. Here, we provide an overview of the pathogenesis of cerebral edema, introduce relevant genetic methods to study this process, and discuss the ongoing research on the genetic underpinnings of edema formation in acute brain injury. The epsilon 2 and 4 variants within the Apolipoprotein E (APOE) gene are associated with worse outcome after traumatic brain injury and intracerebral hemorrhage, and recent studies link these polymorphisms to inflammatory processes that lead to blood-brain barrier disruption and vasogenic edema. For the Haptoglobin gene (HP), the Hp 2-2 genotype associates with worse outcome after acute brain injury, whereas the haptoglobin Hp 1-1 genotype correlates with increased edema in the early phases of intracerebral hemorrhage. Another important protein in cerebral edema is aquaporin 4, coded by the AQP4 gene. AQP4 mutations contribute to the formation of cytotoxic edema, and further genetic research is necessary to help elucidate the mediating mechanism. Findings supporting the target genes outlined above require replication in larger samples and evaluation in non-white populations. These next steps will be significantly facilitated by the rapid changes observed in the field of population genetics, including large international collaborations, open access to genetic data, and significant reductions in the cost of genotyping technologies.
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Affiliation(s)
- Elayna Kirsch
- Duke University School of Medicine, Durham, NC, USA; Division of Neurocritical Care & Emergency Neurology, Department of Neurology, Yale School of Medicine, 15 York Street, LLCI Room 1004D, P.O. Box 20801, New Haven, CT 06510, USA
| | - Natalia Szejko
- Division of Neurocritical Care & Emergency Neurology, Department of Neurology, Yale School of Medicine, 15 York Street, LLCI Room 1004D, P.O. Box 20801, New Haven, CT 06510, USA; Department of Neurology, Medical University of Warsaw, Warsaw, Poland; Department of Bioethics, Medical University of Warsaw, Warsaw, Poland
| | - Guido J Falcone
- Division of Neurocritical Care & Emergency Neurology, Department of Neurology, Yale School of Medicine, 15 York Street, LLCI Room 1004D, P.O. Box 20801, New Haven, CT 06510, USA.
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4
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Bueno CT, Pereira AC, Santos HC, Gómez LMG, Horimoto ARVR, Krieger EM, Krieger JE, Santos PCJL. Association of the genetic ancestry with resistant hypertension in the ReHOT (Resistant Hypertension Optimal Treatment) randomized study. Sci Rep 2020; 10:1476. [PMID: 32001805 PMCID: PMC6992613 DOI: 10.1038/s41598-020-58540-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Accepted: 01/15/2020] [Indexed: 11/09/2022] Open
Abstract
Resistant hypertension (RH) is defined as uncontrolled blood pressure despite treatment with three or more antihypertensive medications, including, if tolerated, a diuretic in adequate doses. It has been widely known that race is associated with blood pressure control. However, intense debate persists as to whether this is solely explained by unadjusted socioeconomical variables or genetic variation. In this scenario, the main aim was to evaluate the association between genetic ancestry and resistant hypertension in a large sample from a multicenter trial of stage II hypertension, the ReHOT study. Samples from 1,358 patients were analyzed, of which 167 were defined as resistant hypertensive. Genetic ancestry was defined using a panel of 192 polymorphic markers. The genetic ancestry was similar in resistant (52.0% European, 36.7% African and 11.3% Amerindian) and nonresistant hypertensive patients (54.0% European, 34.4% African and 11.6% Amerindian) (p > 0.05). However, we observed a statistically suggestive association of African ancestry with resistant hypertension in brown patient group. In conclusion, increased African genetic ancestry was not associated with RH in Brazilian patients from a prospective randomized hypertension clinical trial.
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Affiliation(s)
- Carolina Tosin Bueno
- Laboratory of Genetics and Molecular Cardiology, Heart Institute, University of Sao Paulo Medical School, São Paulo, Brazil
| | - Alexandre Costa Pereira
- Laboratory of Genetics and Molecular Cardiology, Heart Institute, University of Sao Paulo Medical School, São Paulo, Brazil
| | - Hadassa Campos Santos
- Laboratory of Genetics and Molecular Cardiology, Heart Institute, University of Sao Paulo Medical School, São Paulo, Brazil
| | - Luz Marina Gómez Gómez
- Laboratory of Genetics and Molecular Cardiology, Heart Institute, University of Sao Paulo Medical School, São Paulo, Brazil
| | | | - Eduardo Moacyr Krieger
- Laboratory of Genetics and Molecular Cardiology, Heart Institute, University of Sao Paulo Medical School, São Paulo, Brazil
| | - Jose Eduardo Krieger
- Laboratory of Genetics and Molecular Cardiology, Heart Institute, University of Sao Paulo Medical School, São Paulo, Brazil
| | - Paulo Caleb Junior Lima Santos
- Department of Pharmacology - Escola Paulista de Medicina, Universidade Federal de Sao Paulo EPM-Unifesp, São Paulo, Brazil.
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5
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Leasure AC, King ZA, Torres-Lopez V, Murthy SB, Kamel H, Shoamanesh A, Al-Shahi Salman R, Rosand J, Ziai WC, Hanley DF, Woo D, Matouk CC, Sansing LH, Falcone GJ, Sheth KN. Racial/ethnic disparities in the risk of intracerebral hemorrhage recurrence. Neurology 2019; 94:e314-e322. [PMID: 31831597 DOI: 10.1212/wnl.0000000000008737] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2019] [Accepted: 07/18/2019] [Indexed: 12/25/2022] Open
Abstract
OBJECTIVE To estimate the risk of intracerebral hemorrhage (ICH) recurrence in a large, diverse, US-based population and to identify racial/ethnic and socioeconomic subgroups at higher risk. METHODS We performed a longitudinal analysis of prospectively collected claims data from all hospitalizations in nonfederal California hospitals between 2005 and 2011. We used validated diagnosis codes to identify nontraumatic ICH and our primary outcome of recurrent ICH. California residents who survived to discharge were included. We used log-rank tests for unadjusted analyses of survival across racial/ethnic groups and multivariable Cox proportional hazards regression to determine factors associated with risk of recurrence after adjusting for potential confounders. RESULTS We identified 31,355 California residents with first-recorded ICH who survived to discharge, of whom 15,548 (50%) were white, 6,174 (20%) were Hispanic, 4,205 (14%) were Asian, and 2,772 (9%) were black. There were 1,330 recurrences (4.1%) over a median follow-up of 2.9 years (interquartile range 3.8). The 1-year recurrence rate was 3.0% (95% confidence interval [CI] 2.8%-3.2%). In multivariable analysis, black participants (hazard ratio [HR] 1.22; 95% CI 1.01-1.48; p = 0.04) and Asian participants (HR 1.29; 95% CI 1.10-1.50; p = 0.001) had a higher risk of recurrence than white participants. Private insurance was associated with a significant reduction in risk compared to patients with Medicare (HR 0.60; 95% CI 0.50-0.73; p < 0.001), with consistent estimates across racial/ethnic groups. CONCLUSIONS Black and Asian patients had a higher risk of ICH recurrence than white patients, whereas private insurance was associated with reduced risk compared to those with Medicare. Further research is needed to determine the drivers of these disparities.
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Affiliation(s)
- Audrey C Leasure
- From the Departments of Neurology (A.C.L., Z.A.K., V.T.-L., L.H.S., G.J.F., K.N.S.) and Neurosurgery (C.C.M.), Yale School of Medicine, New Haven, CT; Department of Neurology (S.B.M., H.K.), Weill Cornell Medicine, New York, NY; Department of Neurology (A.S.), McMaster University, Population Health Research Institute, Hamilton, Canada; Centre for Clinical Brain Sciences (R.A.-S.S.), University of Edinburgh, UK; Division of Neurocritical Care and Emergency Neurology and Henry and Allison McCance Center for Brain Health (J.R.), Massachusetts General Hospital, Harvard Medical School, Boston; Department of Neurology (W.C.Z., D.F.H.), Johns Hopkins University, Baltimore, MD; and Department of Neurology and Rehabilitation Medicine (D.W.), University of Cincinnati, OH
| | - Zachary A King
- From the Departments of Neurology (A.C.L., Z.A.K., V.T.-L., L.H.S., G.J.F., K.N.S.) and Neurosurgery (C.C.M.), Yale School of Medicine, New Haven, CT; Department of Neurology (S.B.M., H.K.), Weill Cornell Medicine, New York, NY; Department of Neurology (A.S.), McMaster University, Population Health Research Institute, Hamilton, Canada; Centre for Clinical Brain Sciences (R.A.-S.S.), University of Edinburgh, UK; Division of Neurocritical Care and Emergency Neurology and Henry and Allison McCance Center for Brain Health (J.R.), Massachusetts General Hospital, Harvard Medical School, Boston; Department of Neurology (W.C.Z., D.F.H.), Johns Hopkins University, Baltimore, MD; and Department of Neurology and Rehabilitation Medicine (D.W.), University of Cincinnati, OH
| | - Victor Torres-Lopez
- From the Departments of Neurology (A.C.L., Z.A.K., V.T.-L., L.H.S., G.J.F., K.N.S.) and Neurosurgery (C.C.M.), Yale School of Medicine, New Haven, CT; Department of Neurology (S.B.M., H.K.), Weill Cornell Medicine, New York, NY; Department of Neurology (A.S.), McMaster University, Population Health Research Institute, Hamilton, Canada; Centre for Clinical Brain Sciences (R.A.-S.S.), University of Edinburgh, UK; Division of Neurocritical Care and Emergency Neurology and Henry and Allison McCance Center for Brain Health (J.R.), Massachusetts General Hospital, Harvard Medical School, Boston; Department of Neurology (W.C.Z., D.F.H.), Johns Hopkins University, Baltimore, MD; and Department of Neurology and Rehabilitation Medicine (D.W.), University of Cincinnati, OH
| | - Santosh B Murthy
- From the Departments of Neurology (A.C.L., Z.A.K., V.T.-L., L.H.S., G.J.F., K.N.S.) and Neurosurgery (C.C.M.), Yale School of Medicine, New Haven, CT; Department of Neurology (S.B.M., H.K.), Weill Cornell Medicine, New York, NY; Department of Neurology (A.S.), McMaster University, Population Health Research Institute, Hamilton, Canada; Centre for Clinical Brain Sciences (R.A.-S.S.), University of Edinburgh, UK; Division of Neurocritical Care and Emergency Neurology and Henry and Allison McCance Center for Brain Health (J.R.), Massachusetts General Hospital, Harvard Medical School, Boston; Department of Neurology (W.C.Z., D.F.H.), Johns Hopkins University, Baltimore, MD; and Department of Neurology and Rehabilitation Medicine (D.W.), University of Cincinnati, OH
| | - Hooman Kamel
- From the Departments of Neurology (A.C.L., Z.A.K., V.T.-L., L.H.S., G.J.F., K.N.S.) and Neurosurgery (C.C.M.), Yale School of Medicine, New Haven, CT; Department of Neurology (S.B.M., H.K.), Weill Cornell Medicine, New York, NY; Department of Neurology (A.S.), McMaster University, Population Health Research Institute, Hamilton, Canada; Centre for Clinical Brain Sciences (R.A.-S.S.), University of Edinburgh, UK; Division of Neurocritical Care and Emergency Neurology and Henry and Allison McCance Center for Brain Health (J.R.), Massachusetts General Hospital, Harvard Medical School, Boston; Department of Neurology (W.C.Z., D.F.H.), Johns Hopkins University, Baltimore, MD; and Department of Neurology and Rehabilitation Medicine (D.W.), University of Cincinnati, OH
| | - Ashkan Shoamanesh
- From the Departments of Neurology (A.C.L., Z.A.K., V.T.-L., L.H.S., G.J.F., K.N.S.) and Neurosurgery (C.C.M.), Yale School of Medicine, New Haven, CT; Department of Neurology (S.B.M., H.K.), Weill Cornell Medicine, New York, NY; Department of Neurology (A.S.), McMaster University, Population Health Research Institute, Hamilton, Canada; Centre for Clinical Brain Sciences (R.A.-S.S.), University of Edinburgh, UK; Division of Neurocritical Care and Emergency Neurology and Henry and Allison McCance Center for Brain Health (J.R.), Massachusetts General Hospital, Harvard Medical School, Boston; Department of Neurology (W.C.Z., D.F.H.), Johns Hopkins University, Baltimore, MD; and Department of Neurology and Rehabilitation Medicine (D.W.), University of Cincinnati, OH
| | - Rustam Al-Shahi Salman
- From the Departments of Neurology (A.C.L., Z.A.K., V.T.-L., L.H.S., G.J.F., K.N.S.) and Neurosurgery (C.C.M.), Yale School of Medicine, New Haven, CT; Department of Neurology (S.B.M., H.K.), Weill Cornell Medicine, New York, NY; Department of Neurology (A.S.), McMaster University, Population Health Research Institute, Hamilton, Canada; Centre for Clinical Brain Sciences (R.A.-S.S.), University of Edinburgh, UK; Division of Neurocritical Care and Emergency Neurology and Henry and Allison McCance Center for Brain Health (J.R.), Massachusetts General Hospital, Harvard Medical School, Boston; Department of Neurology (W.C.Z., D.F.H.), Johns Hopkins University, Baltimore, MD; and Department of Neurology and Rehabilitation Medicine (D.W.), University of Cincinnati, OH
| | - Jonathan Rosand
- From the Departments of Neurology (A.C.L., Z.A.K., V.T.-L., L.H.S., G.J.F., K.N.S.) and Neurosurgery (C.C.M.), Yale School of Medicine, New Haven, CT; Department of Neurology (S.B.M., H.K.), Weill Cornell Medicine, New York, NY; Department of Neurology (A.S.), McMaster University, Population Health Research Institute, Hamilton, Canada; Centre for Clinical Brain Sciences (R.A.-S.S.), University of Edinburgh, UK; Division of Neurocritical Care and Emergency Neurology and Henry and Allison McCance Center for Brain Health (J.R.), Massachusetts General Hospital, Harvard Medical School, Boston; Department of Neurology (W.C.Z., D.F.H.), Johns Hopkins University, Baltimore, MD; and Department of Neurology and Rehabilitation Medicine (D.W.), University of Cincinnati, OH
| | - Wendy C Ziai
- From the Departments of Neurology (A.C.L., Z.A.K., V.T.-L., L.H.S., G.J.F., K.N.S.) and Neurosurgery (C.C.M.), Yale School of Medicine, New Haven, CT; Department of Neurology (S.B.M., H.K.), Weill Cornell Medicine, New York, NY; Department of Neurology (A.S.), McMaster University, Population Health Research Institute, Hamilton, Canada; Centre for Clinical Brain Sciences (R.A.-S.S.), University of Edinburgh, UK; Division of Neurocritical Care and Emergency Neurology and Henry and Allison McCance Center for Brain Health (J.R.), Massachusetts General Hospital, Harvard Medical School, Boston; Department of Neurology (W.C.Z., D.F.H.), Johns Hopkins University, Baltimore, MD; and Department of Neurology and Rehabilitation Medicine (D.W.), University of Cincinnati, OH
| | - Daniel F Hanley
- From the Departments of Neurology (A.C.L., Z.A.K., V.T.-L., L.H.S., G.J.F., K.N.S.) and Neurosurgery (C.C.M.), Yale School of Medicine, New Haven, CT; Department of Neurology (S.B.M., H.K.), Weill Cornell Medicine, New York, NY; Department of Neurology (A.S.), McMaster University, Population Health Research Institute, Hamilton, Canada; Centre for Clinical Brain Sciences (R.A.-S.S.), University of Edinburgh, UK; Division of Neurocritical Care and Emergency Neurology and Henry and Allison McCance Center for Brain Health (J.R.), Massachusetts General Hospital, Harvard Medical School, Boston; Department of Neurology (W.C.Z., D.F.H.), Johns Hopkins University, Baltimore, MD; and Department of Neurology and Rehabilitation Medicine (D.W.), University of Cincinnati, OH
| | - Daniel Woo
- From the Departments of Neurology (A.C.L., Z.A.K., V.T.-L., L.H.S., G.J.F., K.N.S.) and Neurosurgery (C.C.M.), Yale School of Medicine, New Haven, CT; Department of Neurology (S.B.M., H.K.), Weill Cornell Medicine, New York, NY; Department of Neurology (A.S.), McMaster University, Population Health Research Institute, Hamilton, Canada; Centre for Clinical Brain Sciences (R.A.-S.S.), University of Edinburgh, UK; Division of Neurocritical Care and Emergency Neurology and Henry and Allison McCance Center for Brain Health (J.R.), Massachusetts General Hospital, Harvard Medical School, Boston; Department of Neurology (W.C.Z., D.F.H.), Johns Hopkins University, Baltimore, MD; and Department of Neurology and Rehabilitation Medicine (D.W.), University of Cincinnati, OH
| | - Charles C Matouk
- From the Departments of Neurology (A.C.L., Z.A.K., V.T.-L., L.H.S., G.J.F., K.N.S.) and Neurosurgery (C.C.M.), Yale School of Medicine, New Haven, CT; Department of Neurology (S.B.M., H.K.), Weill Cornell Medicine, New York, NY; Department of Neurology (A.S.), McMaster University, Population Health Research Institute, Hamilton, Canada; Centre for Clinical Brain Sciences (R.A.-S.S.), University of Edinburgh, UK; Division of Neurocritical Care and Emergency Neurology and Henry and Allison McCance Center for Brain Health (J.R.), Massachusetts General Hospital, Harvard Medical School, Boston; Department of Neurology (W.C.Z., D.F.H.), Johns Hopkins University, Baltimore, MD; and Department of Neurology and Rehabilitation Medicine (D.W.), University of Cincinnati, OH
| | - Lauren H Sansing
- From the Departments of Neurology (A.C.L., Z.A.K., V.T.-L., L.H.S., G.J.F., K.N.S.) and Neurosurgery (C.C.M.), Yale School of Medicine, New Haven, CT; Department of Neurology (S.B.M., H.K.), Weill Cornell Medicine, New York, NY; Department of Neurology (A.S.), McMaster University, Population Health Research Institute, Hamilton, Canada; Centre for Clinical Brain Sciences (R.A.-S.S.), University of Edinburgh, UK; Division of Neurocritical Care and Emergency Neurology and Henry and Allison McCance Center for Brain Health (J.R.), Massachusetts General Hospital, Harvard Medical School, Boston; Department of Neurology (W.C.Z., D.F.H.), Johns Hopkins University, Baltimore, MD; and Department of Neurology and Rehabilitation Medicine (D.W.), University of Cincinnati, OH
| | - Guido J Falcone
- From the Departments of Neurology (A.C.L., Z.A.K., V.T.-L., L.H.S., G.J.F., K.N.S.) and Neurosurgery (C.C.M.), Yale School of Medicine, New Haven, CT; Department of Neurology (S.B.M., H.K.), Weill Cornell Medicine, New York, NY; Department of Neurology (A.S.), McMaster University, Population Health Research Institute, Hamilton, Canada; Centre for Clinical Brain Sciences (R.A.-S.S.), University of Edinburgh, UK; Division of Neurocritical Care and Emergency Neurology and Henry and Allison McCance Center for Brain Health (J.R.), Massachusetts General Hospital, Harvard Medical School, Boston; Department of Neurology (W.C.Z., D.F.H.), Johns Hopkins University, Baltimore, MD; and Department of Neurology and Rehabilitation Medicine (D.W.), University of Cincinnati, OH
| | - Kevin N Sheth
- From the Departments of Neurology (A.C.L., Z.A.K., V.T.-L., L.H.S., G.J.F., K.N.S.) and Neurosurgery (C.C.M.), Yale School of Medicine, New Haven, CT; Department of Neurology (S.B.M., H.K.), Weill Cornell Medicine, New York, NY; Department of Neurology (A.S.), McMaster University, Population Health Research Institute, Hamilton, Canada; Centre for Clinical Brain Sciences (R.A.-S.S.), University of Edinburgh, UK; Division of Neurocritical Care and Emergency Neurology and Henry and Allison McCance Center for Brain Health (J.R.), Massachusetts General Hospital, Harvard Medical School, Boston; Department of Neurology (W.C.Z., D.F.H.), Johns Hopkins University, Baltimore, MD; and Department of Neurology and Rehabilitation Medicine (D.W.), University of Cincinnati, OH.
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6
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Marini S, Crawford K, Morotti A, Lee MJ, Pezzini A, Moomaw CJ, Flaherty ML, Montaner J, Roquer J, Jimenez-Conde J, Giralt-Steinhauer E, Elosua R, Cuadrado-Godia E, Soriano-Tarraga C, Slowik A, Jagiella JM, Pera J, Urbanik A, Pichler A, Hansen BM, McCauley JL, Tirschwell DL, Selim M, Brown DL, Silliman SL, Worrall BB, Meschia JF, Kidwell CS, Testai FD, Kittner SJ, Schmidt H, Enzinger C, Deary IJ, Rannikmae K, Samarasekera N, Salman RAS, Sudlow CL, Klijn CJM, van Nieuwenhuizen KM, Fernandez-Cadenas I, Delgado P, Norrving B, Lindgren A, Goldstein JN, Viswanathan A, Greenberg SM, Falcone GJ, Biffi A, Langefeld CD, Woo D, Rosand J, Anderson CD. Association of Apolipoprotein E With Intracerebral Hemorrhage Risk by Race/Ethnicity: A Meta-analysis. JAMA Neurol 2019; 76:480-491. [PMID: 30726504 PMCID: PMC6459133 DOI: 10.1001/jamaneurol.2018.4519] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Accepted: 11/09/2018] [Indexed: 12/18/2022]
Abstract
Importance Genetic studies of intracerebral hemorrhage (ICH) have focused mainly on white participants, but genetic risk may vary or could be concealed by differing nongenetic coexposures in nonwhite populations. Transethnic analysis of risk may clarify the role of genetics in ICH risk across populations. Objective To evaluate associations between established differences in ICH risk by race/ethnicity and the variability in the risks of apolipoprotein E (APOE) ε4 alleles, the most potent genetic risk factor for ICH. Design, Setting, and Participants This case-control study of primary ICH meta-analyzed the association of APOE allele status on ICH risk, applying a 2-stage clustering approach based on race/ethnicity and stratified by a contributing study. A propensity score analysis was used to model the association of APOE with the burden of hypertension across race/ethnic groups. Primary ICH cases and controls were collected from 3 hospital- and population-based studies in the United States and 8 in European sites in the International Stroke Genetic Consortium. Participants were enrolled from January 1, 1999, to December 31, 2017. Participants with secondary causes of ICH were excluded from enrollment. Controls were regionally matched within each participating study. Main Outcomes and Measures Clinical variables were systematically obtained from structured interviews within each site. APOE genotype was centrally determined for all studies. Results In total, 13 124 participants (7153 [54.5%] male with a median [interquartile range] age of 66 [56-76] years) were included. In white participants, APOE ε2 (odds ratio [OR], 1.49; 95% CI, 1.24-1.80; P < .001) and APOE ε4 (OR, 1.51; 95% CI, 1.23-1.85; P < .001) were associated with lobar ICH risk; however, within self-identified Hispanic and black participants, no associations were found. After propensity score matching for hypertension burden, APOE ε4 was associated with lobar ICH risk among Hispanic (OR, 1.14; 95% CI, 1.03-1.28; P = .01) but not in black (OR, 1.02; 95% CI, 0.98-1.07; P = .25) participants. APOE ε2 and ε4 did not show an association with nonlobar ICH risk in any race/ethnicity. Conclusions and Relevance APOE ε4 and ε2 alleles appear to affect lobar ICH risk variably by race/ethnicity, associations that are confirmed in white individuals but can be shown in Hispanic individuals only when the excess burden of hypertension is propensity score-matched; further studies are needed to explore the interactions between APOE alleles and environmental exposures that vary by race/ethnicity in representative populations at risk for ICH.
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Affiliation(s)
- Sandro Marini
- Center for Genomic Medicine, Massachusetts General Hospital, Boston
| | | | | | - Myung J. Lee
- Department of Neurology, Massachusetts General Hospital, Boston
| | - Alessandro Pezzini
- Department of Clinical and Experimental Sciences, Neurology Clinic, University of Brescia, Brescia, Italy
| | - Charles J. Moomaw
- Department of Neurology and Rehabilitation Medicine, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Matthew L. Flaherty
- Department of Neurology and Rehabilitation Medicine, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Joan Montaner
- Neurovascular Research Laboratory and Neurovascular Unit, Institut de Recerca, Hospital Vall d’Hebron, Universitat Autonoma de Barcelona, Barcelona, Spain
- Institute de Biomedicine of Seville, IBiS/Hospital Universitario Virgen del Rocío/CSIC/University of Seville, Seville, Spain
- Department of Neurology, Hospital Universitario Virgen Macarena, Seville, Spain
| | - Jaume Roquer
- Department of Neurology, Neurovascular Research Unit, Institut Hospital del Mar d’Investigacions Mèdiques, Universitat Autonoma de Barcelona, Barcelona, Spain
| | - Jordi Jimenez-Conde
- Department of Neurology, Neurovascular Research Unit, Institut Hospital del Mar d’Investigacions Mèdiques, Universitat Autonoma de Barcelona, Barcelona, Spain
| | - Eva Giralt-Steinhauer
- Department of Neurology, Neurovascular Research Unit, Institut Hospital del Mar d’Investigacions Mèdiques, Universitat Autonoma de Barcelona, Barcelona, Spain
| | - Roberto Elosua
- Department of Neurology, Neurovascular Research Unit, Institut Hospital del Mar d’Investigacions Mèdiques, Universitat Autonoma de Barcelona, Barcelona, Spain
| | - Elisa Cuadrado-Godia
- Department of Neurology, Neurovascular Research Unit, Institut Hospital del Mar d’Investigacions Mèdiques, Universitat Autonoma de Barcelona, Barcelona, Spain
| | - Carolina Soriano-Tarraga
- Department of Neurology, Neurovascular Research Unit, Institut Hospital del Mar d’Investigacions Mèdiques, Universitat Autonoma de Barcelona, Barcelona, Spain
| | - Agnieszka Slowik
- Department of Neurology, Jagiellonian University Medical College, Krakow, Poland
| | | | - Joanna Pera
- Department of Neurology, Jagiellonian University Medical College, Krakow, Poland
| | - Andrzej Urbanik
- Department of Neurology, Jagiellonian University Medical College, Krakow, Poland
| | - Alexander Pichler
- Department of Neurology, Jagiellonian University Medical College, Krakow, Poland
| | - Björn M. Hansen
- Department of Clinical Sciences Lund, Neurology, Lund University, Lund, Sweden
- Department of Neurology and Rehabilitation Medicine, Skåne University Hospital, Lund, Sweden
| | - Jacob L. McCauley
- John P. Hussman Institute for Human Genomics, University of Miami, Miller School of Medicine, Miami
| | | | - Magdy Selim
- Department of Neurology, Stroke Division, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Devin L. Brown
- Cardiovascular Center, University of Michigan, Ann Arbor
| | - Scott L. Silliman
- Department of Neurology, University of Florida College of Medicine, Jacksonville
| | - Bradford B. Worrall
- Department of Neurology and Public Health Sciences, University of Virginia Health System, Charlottesville
| | | | | | - Fernando D. Testai
- Department of Neurology and Rehabilitation, University of Illinois College of Medicine, Chicago
| | - Steven J. Kittner
- Department of Neurology, Baltimore Veterans Administration Medical Center and University of Maryland School of Medicine, Baltimore
| | - Helena Schmidt
- Department of Neurology, Medical University of Graz, Graz, Austria
| | | | - Ian J. Deary
- Centre for Cognitive Ageing and Cognitive Epidemiology, University of Edinburgh, Edinburgh, United Kingdom
| | - Kristiina Rannikmae
- Centre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, United Kingdom
| | - Neshika Samarasekera
- Centre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, United Kingdom
| | | | - Catherine L. Sudlow
- Centre for Medical Informatics, Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, United Kingdom
| | - Catharina J. M. Klijn
- Department of Neurology, Radboud University Medical Centre, Donders Institute for Brain, Cognition and Behaviour, Nijmegen, the Netherlands
- Department of Neurology and Neurosurgery, Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Koen M. van Nieuwenhuizen
- Department of Neurology, Radboud University Medical Centre, Donders Institute for Brain, Cognition and Behaviour, Nijmegen, the Netherlands
- Department of Neurology and Neurosurgery, Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Israel Fernandez-Cadenas
- Neurovascular Research Laboratory and Neurovascular Unit, Institut de Recerca, Hospital Vall d’Hebron, Universitat Autonoma de Barcelona, Barcelona, Spain
- Stroke Pharmacogenomics and Genetics, Sant Pau Institute of Research, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
| | - Pilar Delgado
- Neurovascular Research Laboratory and Neurovascular Unit, Institut de Recerca, Hospital Vall d’Hebron, Universitat Autonoma de Barcelona, Barcelona, Spain
| | - Bo Norrving
- Department of Clinical Sciences Lund, Neurology, Lund University, Lund, Sweden
- Department of Neurology and Rehabilitation Medicine, Skåne University Hospital, Lund, Sweden
| | - Arne Lindgren
- Department of Clinical Sciences Lund, Neurology, Lund University, Lund, Sweden
- Department of Neurology and Rehabilitation Medicine, Skåne University Hospital, Lund, Sweden
| | | | | | | | - Guido J. Falcone
- Division of Neurocritical Care and Emergency Neurology, Department of Neurology, Yale University School of Medicine, New Haven, Connecticut
- Center for Neuroepidemiology and Clinical Neurological Research, Yale School of Medicine, Yale University, New Haven, Connecticut
| | - Alessandro Biffi
- Division of Behavioral Neurology, Massachusetts General Hospital, Boston
| | - Carl D. Langefeld
- Center for Public Health Genomics and Department of Biostatistical Sciences, Wake Forest University, Winston-Salem, North Carolina
| | - Daniel Woo
- Department of Neurology and Rehabilitation Medicine, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Jonathan Rosand
- Center for Genomic Medicine, Massachusetts General Hospital, Boston
- Department of Neurology, Massachusetts General Hospital, Boston
- Program in Medical and Population Genetics, Broad Institute, Cambridge, Massachusetts
| | - Christopher D. Anderson
- Center for Genomic Medicine, Massachusetts General Hospital, Boston
- Department of Neurology, Massachusetts General Hospital, Boston
- Program in Medical and Population Genetics, Broad Institute, Cambridge, Massachusetts
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