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Pagnamenta AT, Camps C, Giacopuzzi E, Taylor JM, Hashim M, Calpena E, Kaisaki PJ, Hashimoto A, Yu J, Sanders E, Schwessinger R, Hughes JR, Lunter G, Dreau H, Ferla M, Lange L, Kesim Y, Ragoussis V, Vavoulis DV, Allroggen H, Ansorge O, Babbs C, Banka S, Baños-Piñero B, Beeson D, Ben-Ami T, Bennett DL, Bento C, Blair E, Brasch-Andersen C, Bull KR, Cario H, Cilliers D, Conti V, Davies EG, Dhalla F, Dacal BD, Dong Y, Dunford JE, Guerrini R, Harris AL, Hartley J, Hollander G, Javaid K, Kane M, Kelly D, Kelly D, Knight SJL, Kreins AY, Kvikstad EM, Langman CB, Lester T, Lines KE, Lord SR, Lu X, Mansour S, Manzur A, Maroofian R, Marsden B, Mason J, McGowan SJ, Mei D, Mlcochova H, Murakami Y, Németh AH, Okoli S, Ormondroyd E, Ousager LB, Palace J, Patel SY, Pentony MM, Pugh C, Rad A, Ramesh A, Riva SG, Roberts I, Roy N, Salminen O, Schilling KD, Scott C, Sen A, Smith C, Stevenson M, Thakker RV, Twigg SRF, Uhlig HH, van Wijk R, Vona B, Wall S, Wang J, Watkins H, Zak J, Schuh AH, Kini U, Wilkie AOM, Popitsch N, Taylor JC. Structural and non-coding variants increase the diagnostic yield of clinical whole genome sequencing for rare diseases. Genome Med 2023;15:94. [PMID: 37946251 PMCID: PMC10636885 DOI: 10.1186/s13073-023-01240-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 09/27/2023] [Indexed: 11/12/2023] Open

Abstract

BACKGROUND

Whole genome sequencing is increasingly being used for the diagnosis of patients with rare diseases. However, the diagnostic yields of many studies, particularly those conducted in a healthcare setting, are often disappointingly low, at 25-30%. This is in part because although entire genomes are sequenced, analysis is often confined to in silico gene panels or coding regions of the genome.

METHODS

We undertook WGS on a cohort of 122 unrelated rare disease patients and their relatives (300 genomes) who had been pre-screened by gene panels or arrays. Patients were recruited from a broad spectrum of clinical specialties. We applied a bioinformatics pipeline that would allow comprehensive analysis of all variant types. We combined established bioinformatics tools for phenotypic and genomic analysis with our novel algorithms (SVRare, ALTSPLICE and GREEN-DB) to detect and annotate structural, splice site and non-coding variants.

RESULTS

Our diagnostic yield was 43/122 cases (35%), although 47/122 cases (39%) were considered solved when considering novel candidate genes with supporting functional data into account. Structural, splice site and deep intronic variants contributed to 20/47 (43%) of our solved cases. Five genes that are novel, or were novel at the time of discovery, were identified, whilst a further three genes are putative novel disease genes with evidence of causality. We identified variants of uncertain significance in a further fourteen candidate genes. The phenotypic spectrum associated with RMND1 was expanded to include polymicrogyria. Two patients with secondary findings in FBN1 and KCNQ1 were confirmed to have previously unidentified Marfan and long QT syndromes, respectively, and were referred for further clinical interventions. Clinical diagnoses were changed in six patients and treatment adjustments made for eight individuals, which for five patients was considered life-saving.

CONCLUSIONS

Genome sequencing is increasingly being considered as a first-line genetic test in routine clinical settings and can make a substantial contribution to rapidly identifying a causal aetiology for many patients, shortening their diagnostic odyssey. We have demonstrated that structural, splice site and intronic variants make a significant contribution to diagnostic yield and that comprehensive analysis of the entire genome is essential to maximise the value of clinical genome sequencing.

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Affiliation(s)

Alistair T Pagnamenta Wellcome Centre for Human Genetics, University of Oxford, Old Road Campus, Roosevelt Drive, Oxford, OX3 7BN, UK NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 9DU, UK
Carme Camps Wellcome Centre for Human Genetics, University of Oxford, Old Road Campus, Roosevelt Drive, Oxford, OX3 7BN, UK NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 9DU, UK
Edoardo Giacopuzzi Wellcome Centre for Human Genetics, University of Oxford, Old Road Campus, Roosevelt Drive, Oxford, OX3 7BN, UK NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 9DU, UK Human Technopole, Viale Rita Levi Montalcini 1, 20157, Milan, Italy
John M Taylor NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 9DU, UK Oxford Genetics Laboratories, Oxford University Hospitals NHS Foundation Trust, Churchill Hospital, Old Road, Oxford, OX3 7LE, UK
Mona Hashim Wellcome Centre for Human Genetics, University of Oxford, Old Road Campus, Roosevelt Drive, Oxford, OX3 7BN, UK NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 9DU, UK
Eduardo Calpena NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 9DU, UK MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DS, UK
Pamela J Kaisaki Wellcome Centre for Human Genetics, University of Oxford, Old Road Campus, Roosevelt Drive, Oxford, OX3 7BN, UK NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 9DU, UK
Akiko Hashimoto MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DS, UK
Jing Yu Wellcome Centre for Human Genetics, University of Oxford, Old Road Campus, Roosevelt Drive, Oxford, OX3 7BN, UK NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 9DU, UK
Edward Sanders MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DS, UK
Ron Schwessinger MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DS, UK
Jim R Hughes MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DS, UK
Gerton Lunter MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DS, UK University Medical Center Groningen, Groningen University, PO Box 72, 9700 AB, Groningen, The Netherlands
Helene Dreau NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 9DU, UK Department of Oncology, Oxford Molecular Diagnostics Centre, University of Oxford, Level 4, John Radcliffe Hospital, Headley Way, Oxford, OX3 9DU, UK
Matteo Ferla Wellcome Centre for Human Genetics, University of Oxford, Old Road Campus, Roosevelt Drive, Oxford, OX3 7BN, UK NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 9DU, UK
Lukas Lange Wellcome Centre for Human Genetics, University of Oxford, Old Road Campus, Roosevelt Drive, Oxford, OX3 7BN, UK NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 9DU, UK
Yesim Kesim Wellcome Centre for Human Genetics, University of Oxford, Old Road Campus, Roosevelt Drive, Oxford, OX3 7BN, UK NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 9DU, UK
Vassilis Ragoussis Wellcome Centre for Human Genetics, University of Oxford, Old Road Campus, Roosevelt Drive, Oxford, OX3 7BN, UK NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 9DU, UK
Dimitrios V Vavoulis Wellcome Centre for Human Genetics, University of Oxford, Old Road Campus, Roosevelt Drive, Oxford, OX3 7BN, UK NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 9DU, UK Department of Oncology, Oxford Molecular Diagnostics Centre, University of Oxford, Level 4, John Radcliffe Hospital, Headley Way, Oxford, OX3 9DU, UK
Holger Allroggen Neurosciences Department, UHCW NHS Trust, Clifford Bridge Road, Coventry, CV2 2DX, UK
Olaf Ansorge Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, OX3 9DU, UK
Christian Babbs MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DS, UK
Siddharth Banka Division of Evolution, Infection and Genomics, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK Manchester Centre for Genomic Medicine, Saint Mary's Hospital, Oxford Road, Manchester, M13 9WL, UK
Benito Baños-Piñero Oxford Genetics Laboratories, Oxford University Hospitals NHS Foundation Trust, Churchill Hospital, Old Road, Oxford, OX3 7LE, UK
David Beeson MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DS, UK Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, OX3 9DU, UK
Tal Ben-Ami Pediatric Hematology-Oncology Unit, Kaplan Medical Center, Rehovot, Israel
David L Bennett Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, OX3 9DU, UK
Celeste Bento Hematology Department, Hospitais da Universidade de Coimbra, Coimbra, Portugal
Edward Blair NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 9DU, UK Oxford Centre for Genomic Medicine, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 7LE, UK
Charlotte Brasch-Andersen Department of Clinical Genetics, Odense University Hospital and Department of Clinical Research, University of Southern Denmark, Odense, Denmark
Katherine R Bull Wellcome Centre for Human Genetics, University of Oxford, Old Road Campus, Roosevelt Drive, Oxford, OX3 7BN, UK Nuffield Department of Medicine, University of Oxford, Oxford, OX3 7BN, UK
Holger Cario Department of Pediatrics and Adolescent Medicine, University Medical Center, Eythstrasse 24, 89075, Ulm, Germany
Deirdre Cilliers Oxford Centre for Genomic Medicine, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 7LE, UK
Valerio Conti Neuroscience Department, Meyer Children's Hospital IRCCS, Viale Pieraccini 24, 50139, Florence, Italy
E Graham Davies Department of Immunology, Great Ormond Street Hospital for Children NHS Trust and UCL Great Ormond Street Institute of Child Health, Zayed Centre for Research, 2Nd Floor, 20C Guilford Street, London, WC1N 1DZ, UK
Fatima Dhalla Department of Paediatrics, Institute of Developmental and Regenerative Medicine, IMS-Tetsuya Nakamura Building, Old Road Campus, Roosevelt Drive, Oxford, OX3 7TY, UK
Beatriz Diez Dacal Oxford Genetics Laboratories, Oxford University Hospitals NHS Foundation Trust, Churchill Hospital, Old Road, Oxford, OX3 7LE, UK
Yin Dong MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DS, UK Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, OX3 9DU, UK
James E Dunford Oxford NIHR Musculoskeletal BRC and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, Nuffield Orthopaedic Centre, Old Road, Oxford, OX3 7HE, UK
Renzo Guerrini Neuroscience Department, Meyer Children's Hospital IRCCS, Viale Pieraccini 24, 50139, Florence, Italy
Adrian L Harris Department of Oncology, University of Oxford, Old Road Campus Research Building, Oxford, OX3 7DQ, UK
Jane Hartley Liver Unit, Birmingham Women's & Children's Hospital and University of Birmingham, Steelhouse Lane, Birmingham, B4 6NH, UK
Georg Hollander Department of Paediatrics, University of Oxford, Level 2, Children's Hospital, John Radcliffe Hospital, Oxford, OX3 9DU, UK
Kassim Javaid Oxford NIHR Musculoskeletal BRC and Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, Nuffield Orthopaedic Centre, Old Road, Oxford, OX3 7HE, UK
Maureen Kane Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland, Pharmacy Hall North, Room 731, 20 N. Pine Street, Baltimore, MD, 21201, USA
Deirdre Kelly Liver Unit, Birmingham Women's & Children's Hospital and University of Birmingham, Steelhouse Lane, Birmingham, B4 6NH, UK
Dominic Kelly Children's Hospital, OUH NHS Foundation Trust, NIHR Oxford BRC, Headley Way, Oxford, OX3 9DU, UK
Samantha J L Knight Wellcome Centre for Human Genetics, University of Oxford, Old Road Campus, Roosevelt Drive, Oxford, OX3 7BN, UK NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 9DU, UK
Alexandra Y Kreins Department of Immunology, Great Ormond Street Hospital for Children NHS Trust and UCL Great Ormond Street Institute of Child Health, Zayed Centre for Research, 2Nd Floor, 20C Guilford Street, London, WC1N 1DZ, UK
Erika M Kvikstad Wellcome Centre for Human Genetics, University of Oxford, Old Road Campus, Roosevelt Drive, Oxford, OX3 7BN, UK NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 9DU, UK
Craig B Langman Feinberg School of Medicine, Northwestern University, 211 E Chicago Avenue, Chicago, IL, MS37, USA
Tracy Lester Oxford Genetics Laboratories, Oxford University Hospitals NHS Foundation Trust, Churchill Hospital, Old Road, Oxford, OX3 7LE, UK
Kate E Lines NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 9DU, UK University of Oxford, Academic Endocrine Unit, OCDEM, Churchill Hospital, Oxford, OX3 7LJ, UK
Simon R Lord Early Phase Clinical Trials Unit, Department of Oncology, University of Oxford, Cancer and Haematology Centre, Level 2 Administration Area, Churchill Hospital, Oxford, OX3 7LJ, UK
Xin Lu Nuffield Department of Clinical Medicine, Ludwig Institute for Cancer Research, University of Oxford, Old Road Campus Research Building, Oxford, OX3 7DQ, UK
Sahar Mansour St George's University Hospitals NHS Foundation Trust, Blackshore Road, Tooting, London, SW17 0QT, UK
Adnan Manzur MRC Centre for Neuromuscular Diseases, National Hospital for Neurology and Neurosurgery, Queen Square, London, WC1N 3BG, UK
Reza Maroofian Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology and The National Hospital for Neurology and Neurosurgery, London, WC1N 3BG, UK
Brian Marsden Nuffield Department of Medicine, Kennedy Institute, University of Oxford, Oxford, OX3 7BN, UK
Joanne Mason Yourgene Health Headquarters, Skelton House, Lloyd Street North, Manchester Science Park, Manchester, M15 6SH, UK
Simon J McGowan MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DS, UK
Davide Mei Neuroscience Department, Meyer Children's Hospital IRCCS, Viale Pieraccini 24, 50139, Florence, Italy
Hana Mlcochova MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DS, UK
Yoshiko Murakami Research Institute for Microbial Diseases, Osaka University, 3-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
Andrea H Németh Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, OX3 9DU, UK Oxford Centre for Genomic Medicine, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 7LE, UK
Steven Okoli Imperial College NHS Trust, Department of Haematology, Hammersmith Hospital, Du Cane Road, London, W12 0HS, UK
Elizabeth Ormondroyd NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 9DU, UK University of Oxford, Level 6 West Wing, Oxford, OX3 9DU, JR, UK
Lilian Bomme Ousager Department of Clinical Genetics, Odense University Hospital and Department of Clinical Research, University of Southern Denmark, Odense, Denmark
Jacqueline Palace Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, OX3 9DU, UK
Smita Y Patel Clinical Immunology, John Radcliffe Hospital, Level 4A, Oxford, OX3 9DU, UK
Melissa M Pentony Wellcome Centre for Human Genetics, University of Oxford, Old Road Campus, Roosevelt Drive, Oxford, OX3 7BN, UK NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 9DU, UK
Chris Pugh Nuffield Department of Medicine, University of Oxford, Oxford, OX3 7BN, UK
Aboulfazl Rad Department of Otolaryngology-Head & Neck Surgery, Tübingen Hearing Research Centre, Eberhard Karls University, Elfriede-Aulhorn-Str. 5, 72076, Tübingen, Germany
Archana Ramesh Wellcome Centre for Human Genetics, University of Oxford, Old Road Campus, Roosevelt Drive, Oxford, OX3 7BN, UK Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, OX3 9DU, UK
Simone G Riva MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DS, UK
Irene Roberts MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DS, UK Department of Paediatrics, University of Oxford, Level 2, Children's Hospital, John Radcliffe Hospital, Oxford, OX3 9DU, UK
Noémi Roy Department of Haematology, Oxford University Hospitals NHS Foundation Trust, Level 4, Haematology, John Radcliffe Hospital, Oxford, OX3 9DU, UK
Outi Salminen NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 9DU, UK Department of Oncology, Oxford Molecular Diagnostics Centre, University of Oxford, Level 4, John Radcliffe Hospital, Headley Way, Oxford, OX3 9DU, UK
Kyleen D Schilling Ann & Robert H. Lurie Children's Hospital of Chicago, 225 E Chicago Avenue, Chicago, IL, 60611, USA
Caroline Scott MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DS, UK
Arjune Sen Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, OX3 9DU, UK
Conrad Smith Oxford Genetics Laboratories, Oxford University Hospitals NHS Foundation Trust, Churchill Hospital, Old Road, Oxford, OX3 7LE, UK
Mark Stevenson University of Oxford, Academic Endocrine Unit, OCDEM, Churchill Hospital, Oxford, OX3 7LJ, UK
Rajesh V Thakker University of Oxford, Academic Endocrine Unit, OCDEM, Churchill Hospital, Oxford, OX3 7LJ, UK
Stephen R F Twigg MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DS, UK
Holm H Uhlig NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 9DU, UK Department of Paediatrics, University of Oxford, Level 2, Children's Hospital, John Radcliffe Hospital, Oxford, OX3 9DU, UK Translational Gastroenterology Unit, John Radcliffe Hospital, Oxford, OX3 9DU, UK
Richard van Wijk UMC Utrecht, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands
Barbara Vona Department of Otolaryngology-Head & Neck Surgery, Tübingen Hearing Research Centre, Eberhard Karls University, Elfriede-Aulhorn-Str. 5, 72076, Tübingen, Germany Institute of Human Genetics, University Medical Center Göttingen, Heinrich-Düker-Weg 12, 37073, Göttingen, Germany Institute for Auditory Neuroscience and InnerEarLab, University Medical Center Göttingen, Robert-Koch-Str. 40, 37075, Göttingen, Germany
Steven Wall Oxford Craniofacial Unit, John Radcliffe Hospital, Level LG1, West Wing, Oxford, OX3 9DU, UK
Jing Wang Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, OX3 9DU, UK
Hugh Watkins NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 9DU, UK University of Oxford, Level 6 West Wing, Oxford, OX3 9DU, JR, UK
Jaroslav Zak Nuffield Department of Clinical Medicine, Ludwig Institute for Cancer Research, University of Oxford, Old Road Campus Research Building, Oxford, OX3 7DQ, UK Department of Immunology and Microbiology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA, 92037, USA
Anna H Schuh Department of Oncology, Oxford Molecular Diagnostics Centre, University of Oxford, Level 4, John Radcliffe Hospital, Headley Way, Oxford, OX3 9DU, UK
Usha Kini NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 9DU, UK Oxford Centre for Genomic Medicine, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 7LE, UK
Andrew O M Wilkie NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 9DU, UK MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DS, UK
Niko Popitsch Wellcome Centre for Human Genetics, University of Oxford, Old Road Campus, Roosevelt Drive, Oxford, OX3 7BN, UK NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 9DU, UK Department of Biochemistry and Cell Biology, Max Perutz Labs, University of Vienna, Vienna BioCenter(VBC), Dr.-Bohr-Gasse 9, 1030, Vienna, Austria
Jenny C Taylor Wellcome Centre for Human Genetics, University of Oxford, Old Road Campus, Roosevelt Drive, Oxford, OX3 7BN, UK. NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 9DU, UK.

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Mair D, Paris A, Zaloum SA, White LM, Dodd KC, Englezou C, Patel F, Abualnaja S, Lilleker JB, Gosal D, Hayton T, Liang D, Allroggen H, Pucci M, Keddie S, Noyce AJ. Nitrous oxide-induced myeloneuropathy: a case series. J Neurol Neurosurg Psychiatry 2023;94:681-688. [PMID: 37253616 PMCID: PMC10447413 DOI: 10.1136/jnnp-2023-331131] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 04/03/2023] [Indexed: 06/01/2023]

Affiliation(s)

Devan Mair Queen Mary University of London Barts and The London School of Medicine and Dentistry, London, UK Barts Health NHS Trust, London, UK
Alvar Paris Barts Health NHS Trust, London, UK Preventive Neurology Unit, Centre for Prevention, Diagnosis and Detection, Faculty of Medicine and Dentistry, Queen Mary University of London, Wolfson Institute of Population Health, London, UK
Safiya A Zaloum Queen Mary University of London Barts and The London School of Medicine and Dentistry, London, UK Barts Health NHS Trust, London, UK
Laura M White Manchester Centre for Clinical Neuroscience, Northern Care Alliance NHS Foundation Trust, Salford, UK
Katherine C Dodd Manchester Centre for Clinical Neuroscience, Northern Care Alliance NHS Foundation Trust, Salford, UK Lydia Becker Institute for Immunology and Inflammation, Division of Immunology, Immunity to Infection and Respiratory Medicine, The University of Manchester Faculty of Biology Medicine and Health, Manchester, UK
Christina Englezou Department of Neurology, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK Department of Neurology, Royal Wolverhampton Hospitals NHS Trust, Wolverhampton, UK
Farhin Patel Queen Mary University of London Barts and The London School of Medicine and Dentistry, London, UK
Siraj Abualnaja Queen Mary University of London Barts and The London School of Medicine and Dentistry, London, UK
James B Lilleker Manchester Centre for Clinical Neuroscience, Northern Care Alliance NHS Foundation Trust, Salford, UK Centre for Musculoskeletal Research, Division of Musculoskeletal and Dermatological Sciences, School of Biological Sciences, The University of Manchester Faculty of Biology Medicine and Health, Manchester, UK
David Gosal Manchester Centre for Clinical Neuroscience, Northern Care Alliance NHS Foundation Trust, Salford, UK
Tom Hayton Department of Neurology, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
Di Liang Department of Neurosciences, University Hospitals Coventry and Warwickshire NHS Trust, Coventry, UK
Holger Allroggen Department of Neurosciences, University Hospitals Coventry and Warwickshire NHS Trust, Coventry, UK
Mark Pucci University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
Stephen Keddie Barts Health NHS Trust, London, UK MRC Centre for Neuromuscular Disease and Department of Molecular Neuroscience, University College London Hospitals NHS Foundation Trust National Hospital for Neurology and Neurosurgery, London, UK
Alastair J Noyce Barts Health NHS Trust, London, UK Preventive Neurology Unit, Centre for Prevention, Diagnosis and Detection, Faculty of Medicine and Dentistry, Queen Mary University of London, Wolfson Institute of Population Health, London, UK

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Kaundal A, Hegde V, Khan H, Allroggen H. Home video EEG telemetry. Pract Neurol 2021;21:212-215. [PMID: 33785565 DOI: 10.1136/practneurol-2020-002910] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/06/2021] [Indexed: 11/04/2022]

Shields AM, Pagnamenta AT, Pollard AJ, Taylor JC, Allroggen H, Patel SY. Classical and Non-classical Presentations of Complement Factor I Deficiency: Two Contrasting Cases Diagnosed via Genetic and Genomic Methods. Front Immunol 2019;10:1150. [PMID: 31231365 PMCID: PMC6568211 DOI: 10.3389/fimmu.2019.01150] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Accepted: 05/07/2019] [Indexed: 11/13/2022] Open

Hosseini AA, Ali F, Allroggen H. PO229 An atypical case of posterior reversible encephalopathy syndrome. J Neurol Neurosurg Psychiatry 2017. [DOI: 10.1136/jnnp-2017-abn.250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]

Hosseini AA, Ali F, Allroggen H. PO179 Aggressive disseminated intracranial anaplastic astrocytoma. J Neurol Psychiatry 2017. [DOI: 10.1136/jnnp-2017-abn.201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]

Khan IJ, Allroggen H, Pagliarini S. Susac's syndrome: the value of fundus fluorescein angiography. BMJ Case Rep 2014;2014:bcr-2014-206546. [PMID: 25281252 DOI: 10.1136/bcr-2014-206546] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open

Jacob S, Zarei M, Kenton A, Allroggen H. Gluten sensitivity and neuromyelitis optica: two case reports. J Neurol Neurosurg Psychiatry 2005;76:1028-30. [PMID: 15965221 PMCID: PMC1739712 DOI: 10.1136/jnnp.2004.055491] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]

Naylor R, Hayes PD, Payne DA, Allroggen H, Steel S, Thompson MM, London NJM, Bell PRF. Randomized trial of vein versus dacron patching during carotid endarterectomy: Long-term results. J Vasc Surg 2004;39:985-93; discussion 993. [PMID: 15111849 DOI: 10.1016/j.jvs.2004.01.037] [Citation(s) in RCA: 55] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]

Abstract

BACKGROUND AND PURPOSE

Overviews of randomized patch trials by the Cochrane Collaboration suggest that a policy of routine patching is preferable to routine primary closure. However, there is no systematic evidence that patch type, whether prosthetic or vein, influences outcome after carotid endarterectomy (CEA).

METHODS

Two hundred seventy-three patients were randomized to vein or thin-walled Dacron patch (Hemashield Finesse) closure of the arteriotomy after 276 CEA procedures. Patients were reviewed clinically and with duplex ultrasound scanning at 1, 6, 12, 24, and 36 months or until death. No patients were lost to follow-up. Cumulative statistical analyses are presented for the 264 patients (269 CEAs) who actually received a randomized treatment allocation.

RESULTS

Cumulative freedom from death or ipsilateral stroke at 3 years (including operative events) was 93.0% in the Dacron patch group and 95.5% in the vein group P =.42). Cumulative freedom from death or any stroke was 91.5% after Dacron patch closure and 93.9% after vein closure (P =.46). Cumulative freedom from recurrent stenosis greater than 70% or occlusion at 3 years was 92.9% for patients randomized to the Dacron patch group and 98.4% for patients randomized to the vein group (P =.03). At 3 years the incidence of stroke in the carotid territory not operated on was 1.0% in 93 patients with no contralateral internal carotid artery disease at randomization, and increased to 1.3% in 78 patients with 1% to 69% stenosis, and 2.0% in 51 patients with contralateral 70% to 99% stenosis. No late strokes occurred distal to 42 occluded contralateral internal carotid arteries.

CONCLUSIONS

Patch type has no influence on early operative risk, no association with enhanced patterns of thrombogenicity in the early postoperative period, and no influence on risk for ipsilateral or any stroke at 3 years. Dacron patches were, however, associated with a significantly higher incidence of recurrent stenosis at 3 years, with most occurring within 6 to 12 months of surgery. However, the higher incidence of recurrent stenosis was not associated with a parallel increase in late stroke, and in this study a program of serial ultrasound surveillance could not have prevented one ipsilateral stroke.

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Hayes PD, Allroggen H, Steel S, Thompson MM, London NJ, Bell PR, Naylor AR. Randomized trial of vein versus Dacron patching during carotid endarterectomy: influence of patch type on postoperative embolization. J Vasc Surg 2001;33:994-1000. [PMID: 11331840 DOI: 10.1067/mva.2001.115005] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]

Abstract

PURPOSE

A recent overview indicated that although routine patching is safer than routine primary closure after carotid endarterectomy (CEA), there is no systematic evidence that patch type influences outcome. However, most surgeons still believe that prosthetic patches are probably more thrombogenic than vein patches. This study tested the hypothesis that there was no difference in thrombogenicity between the different patch types.

METHODS

A total of 274 patients undergoing 276 CEAs were randomized to either Dacron-patch closure (n = 137) or vein-patch closure (n = 139). All patients with an accessible cranial window were monitored for 3 hours postoperatively with transcranial Doppler scanning (TCD). The number of emboli and rate of embolization were quantified with the requirement for selective dextran therapy to control high rates of postoperative embolization. All patients were assessed postoperatively and again at 30 days by a neurologist, and all patients underwent a duplex examination at 30 days.

RESULTS

The 30-day death/any stroke rate was 2.2% for patients in the Dacron-patch group and 3.6% for patients in the vein-patch group (P =.72). Patients in the Dacron-patch group had a higher incidence of postoperative emboli (median, 5; interquartile range, 0-10.5) than patients in the vein-patch group (median, 3; interquartile range, 1-17; P =.028). However, the incidence of detecting more than 50 emboli was virtually identical, and patch type had no effect on the incidence of high-rate, sustained embolization that required dextran therapy (5.3% for Dacron, 3.7% for vein). No patient had a carotid thrombosis at 30 days.

CONCLUSION

Sustained, high-rate embolization, previously shown to be highly predictive of progression to carotid thrombosis, appears to be patient dependent, rather than related to patch type.

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Naylor AR, Hayes PD, Allroggen H, Lennard N, Gaunt ME, Thompson MM, London NJ, Bell PR. Reducing the risk of carotid surgery: a 7-year audit of the role of monitoring and quality control assessment. J Vasc Surg 2000;32:750-9. [PMID: 11013039 DOI: 10.1067/mva.2000.108007] [Citation(s) in RCA: 92] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]

Allroggen H, Abbott RJ, Bibby K. Acute visual loss following administration of metronidazole: A case report. Neuroophthalmology 2000. [DOI: 10.1076/0165-8107(200004)23:2;1-6;ft089] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open

Allroggen H, Dennis G, Abbott RJ, Pye IF. New variant Creutzfeldt-Jakob disease: three case reports from Leicestershire. J Neurol Neurosurg Psychiatry 2000;68:375-8. [PMID: 10675225 PMCID: PMC1736805 DOI: 10.1136/jnnp.68.3.375] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]

Allroggen H, Abbott RJ. Cerebral venous sinus thrombosis. Postgrad Med J 2000;76:12-5. [PMID: 10622773 PMCID: PMC1741463 DOI: 10.1136/pmj.76.891.12] [Citation(s) in RCA: 119] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]

Allroggen H, Abbott RJ, Bibby K. Acute visual loss following administration of metronidazole: A case report. Neuroophthalmology 2000. [DOI: 10.1076/0165-8107(200004)2321-6ft089] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open

Burger W, Hansen C, Allroggen H, Kober G. Effects of exercise or temporary coronary occlusion during angioplasty on right ventricular function with consideration of left-anterior-descending- and right-coronary-artery-related myocardial ischemia. Cardiology 1993;83:345-57. [PMID: 8111768 DOI: 10.1159/000175991] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]

Burger W, Hartmann A, Herholz C, Hummel B, Olbrich HG, Allroggen H, Cieslinski G, Krause E, Satter P, Kaltenbach M. Right ventricular volumes and hemodynamics after successful orthotopic heart transplantation. A comparison to coronary artery disease using thermodilution. Int J Cardiol 1992;37:155-63. [PMID: 1452371 DOI: 10.1016/0167-5273(92)90203-f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]

Burger W, Allroggen H, Kober G. Right ventricular volumes determined by computerized thermodilution in ischaemic heart disease: effect of exercise and nitroglycerin. Int J Cardiol 1991;33:33-41. [PMID: 1937980 DOI: 10.1016/0167-5273(91)90149-j] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]

Burger W, Hartmann A, Herholz C, Allroggen H, Cieslinski G, Olbrich HG, Kaltenbach M, Kober G. Right ventricular function after successful cardiac transplantation: A comparison to coronary heart disease using thermodilution. J Am Coll Cardiol 1991. [DOI: 10.1016/0735-1097(91)92423-j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]