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Marco Sánchez JM, Bardón Cancho EJ, Benéitez D, Payán-Pernía S, Collado Gimbert A, Ruiz-Llobet A, Salinas JA, Sebastián E, Argilés B, Bermúdez M, Vázquez MÁ, Ortega MJ, López Rubio M, Gondra A, Uriz JJ, Morado M, Coll MT, López Duarte M, Baro M, Cervera Á, Recasens V, García Blanes C, Del Carcavilla MP, Tallon M, González Espín A, Olteanu Olteanu FC, González P, Del Mañú Pereira MM, Cela E. Haemoglobinopathies and other rare anemias in Spain: ten years of a nationwide registry (REHem-AR). Ann Hematol 2024:10.1007/s00277-024-05788-8. [PMID: 38763941 DOI: 10.1007/s00277-024-05788-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Accepted: 05/02/2024] [Indexed: 05/21/2024]
Abstract
REHem-AR was created in 2013. The progressive implementation of neonatal screening for haemoglobinopathies in Spanish autonomous communities where the registry had not been implemented, as well as the addition of new centres during this period, has considerably increased the sample of patients covered. In this study, we update our previous publication in this area, after a follow-up of more than 5 years. An observational, descriptive, multicentre and ambispective study of adult and paediatric patients with haemoglobinopathies and rare anaemias registered in REHem was performed. The data are from a cross-sectional analysis performed on 1 June, 2023. The study population comprised 1,756 patients, of whom 1,317 had SCD, 214 had thalassaemia and 224 were diagnosed with another condition. Slightly more than one third of SCD patients (37%) were diagnosed based on neonatal bloodspot screening, and the mean age at diagnosis was 2.5 years; 71% of thalassaemia patients were diagnosed based on the presence of anaemia. Vaso-occlusive crisis and acute chest syndrome continue to be the most frequent complications in SCD. HSCT was performed in 83 patients with SCD and in 50 patients with thalassaemia. Since the previous publication, REHem-AR has grown in size by more than 500 cases. SCD and TM are less frequent in Spain than in other European countries, although the data show that rare anaemias are frequent within rare diseases. REHem-AR constitutes an important structure for following the natural history of rare anaemias and enables us to calculate investment needs for current and future treatments.
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Affiliation(s)
- José Manuel Marco Sánchez
- Data Manager of the Spanish Registry of Rare Haemoglobinopathies and Rare Anaemias (REHem-AR), Gregorio Marañón Health Research Institute. Section of Pediatric Hemato-Oncology.Pediatrics Service, Hospital General Universitario Gregorio Marañón, O'Donnell, 48, Madrid, Spain
- CSUR Erithropathology. ERN-EuroBloodNet. CIBERER, Universidad Complutense de Madrid, Madrid, Spain
| | - Eduardo Jesús Bardón Cancho
- CSUR Erithropathology. ERN-EuroBloodNet. CIBERER, Universidad Complutense de Madrid, Madrid, Spain.
- Section of Pediatric Hemato-Oncology. Pediatrics Service. Hospital General, Universitario Gregorio Marañón, O'Donnell, 48, Madrid, Spain.
| | - David Benéitez
- Hematology Service. Hospital Universitario Vall d'Hebron. Barcelona. ERN-Eurobloodnet, Universitat Autònoma de Barcelona, Passeig de La Vall d'Hebron, 119-129, Barcelona, Spain
| | - Salvador Payán-Pernía
- Hematology Service. Hospital Universitario Virgen del Rocío, Instituto de Biomedicina de Sevilla (IBiS), Av. Manuel Siurot, S/N, 41013, Seville, Spain
| | - Anna Collado Gimbert
- Section of Pediatric Hemato-Oncology. Pediatrics Service, Hospital Universitario Vall d'Hebron. Barcelona, Passeig de La Vall d'Hebron, 119-129, Barcelona, Spain
| | - Anna Ruiz-Llobet
- Hematology Service. Hospital Sant Joan de DéuUniversitat de Barcelona. Institut de Recerca Hospital Sant Joan de Déu. CSUR Eritropatología. ERN-EuroBloodNet, Passeig de Sant Joan de Déu, 2Esplugues de Llobregat, Barcelona, Spain
| | - José Antonio Salinas
- Section of Pediatric Hemato-Oncology. Pediatrics Service, Hospital Universitari Son Espases, Carretera de Valldemossa, 79, 07120, Palma, Illes Balears, Spain
| | - Elena Sebastián
- Section of Pediatric Hemato-Oncology. Hospital Infantil Universitario Niño Jesús. Foundation for Biomedical Research of the Niño Jesús University Childrens Hospital, Av. de Menéndez Pelayo, 65, 28009, Madrid, Spain
| | - Bienvenida Argilés
- Section of Pediatric Hemato-Oncology. Pediatrics Service. Hospital, Universitario y Politécnico La Fe, Avinguda de Fernando Abril Martorell, 106, Valencia, Spain
| | - Mar Bermúdez
- Section of Pediatric Hemato-Oncology. Pediatrics Service. Hospital Clínico, Universitario Virgen de La Arrixaca, Ctra. Madrid-Cartagena, S/N, 30120El Palmar, Murcia, Spain
| | - María Ángeles Vázquez
- Section of Pediatric Hematology. Hospital Materno-Infantil Torrecárdenas, Calle Hermandad de Donantes Sangre S/N, 04009, Almería, Spain
| | - María José Ortega
- Section of Pediatric Hematology. Hospital, Universitario Virgen de Las Nieves, Av. de Las Fuerzas Armadas, 2, 18014, Granada, Spain
| | - Montserrat López Rubio
- Hematology Service. Hospital Universitario Príncipe de Asturias, Carretera de Alcalá Meco S/N, 28805, Alcalá de Henares, Madrid, Spain
| | - Ainhoa Gondra
- Section of Pediatric Hemato-Oncology. Pediatrics Service, Hospital Universitario de Basurto, Universidad del País Vasco UPV/EHU, Montevideo Etorb, 18, 48013, Bilbao, Bizkaia, Spain
| | - José Javier Uriz
- Section of Pediatric Hemato-Oncology. Pediatrics Service, Hospital Universitario Donostia, , Begiristain Doktorea Pasealekua, S/N, 20014, Donostia, Gipuzkoa, Spain
| | - Marta Morado
- Hematology Service. Hospital Universitario La Paz, Paseo de La Castellana 261, 28046 , Madrid, Spain
| | - María Teresa Coll
- Section of Pediatric Hemato-Oncology. Pediatrics Service, Hospital General de Granollers. , Carrer de Francesc Ribas, S/N, 08402, Barcelona, Granollers, Spain
| | - Mónica López Duarte
- Hematology Service, Hospital Universitario Marqués de Valdecilla, Av Valdecilla S/N, 39008, Santander, Cantabria, Spain
| | - María Baro
- Section of Pediatric Hemato-Oncology. Pediatrics Service, Hospital Doce de Octubre, Avenida Córdoba S/n2, 28041, Madrid, Spain
| | - Áurea Cervera
- Pediatric Service, Hospital Universitario Móstoles, C. Dr. Luis Montes, S/N, 28935, Madrid, Móstoles, Spain
| | - Valle Recasens
- Hematology Service. Hospital Miguel Servet, P.º de Isabel La Católica, 1-3, 50009, Zaragoza, Spain
| | - Carmen García Blanes
- Section of Pediatric Hemato-Oncology. Pediatrics Service, Hospital Clínico Valencia, Av Blasco Ibáñez, 17, 46010, Valencia, Spain
| | - María Pozo Del Carcavilla
- Section of Pediatric Hemato-Oncology. Pediatrics Service, Complejo Hospitalario Albacete, C. Hermano Falco, 37, 02006, Albacete, Spain
| | - María Tallon
- Section of Pediatric Hemato-Oncology. Pediatrics Service, Hospital Álvaro Cunqueiro, Estrada de Clara Campoamor, 341, 36312, Vigo, Spain
| | - Ana González Espín
- Section of Pediatric Hemato-Oncology. Pediatrics Service, Complejo Hospitalario Jaén, Av Ejército Español, 10, 23007, Jaén, Spain
| | - Filip Camil Olteanu Olteanu
- Section of Pediatric Hemato-Oncology. Pediatrics Service. Hospital, Universitario de Guadalajara, C Donante de Sangre, S/N, 19002, Guadalajara, Spain
| | - Pablo González
- Hospital General Universitario Gregorio Marañón, Calle O'Donnell, 48, Madrid, Spain
| | - María Mar Del Mañú Pereira
- Hospital Universitario Vall d'Hebron. BarcelonaERN-EurobloodnetUniversitat Autònoma de Barcelona, Passeig de La Vall d'Hebron, 119-129, Barcelona, Spain
| | - Elena Cela
- CSUR Erithropathology. ERN-EuroBloodNet. CIBERER, Universidad Complutense de Madrid, Madrid, Spain
- Section of Pediatric Hemato-Oncology. Pediatrics Service. Hospital General, Universitario Gregorio Marañón, O'Donnell, 48, Madrid, Spain
- Coordinator of REHem-AR. Erythropathology Working Group of the Spanish Society of Pediatric Hematology and Oncology (SEHOP), Hospital General Universitario Gregorio Marañón, Madrid, Spain
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Chen Y, Zhong R, Guo X, Chen S, Wang Y, Li J, Huang L, Li Y, Wang X, Wu L, Huang M, Huang X, Fang J, Chu Z, Sun J, Peng Z, Sun Y. Carrier rate of thalassemia among 25,910 high school students in Shaoguan area, China. J Med Screen 2024; 31:53-57. [PMID: 37439030 DOI: 10.1177/09691413231188069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/14/2023]
Abstract
OBJECTIVES As one of the most common hereditary diseases, thalassemia affects a large number of people in China. The aim of this study was to investigate the feasibility of a method based on next-generation sequencing (NGS) for screening of thalassemia carriers among high school students in the Shaoguan area. MATERIALS AND METHODS The NGS-based method was performed using 25,910 high school students recruited from 38 schools. The screening yield was systematically analyzed. Before screening, a lecture on how the disease is inherited, the symptoms of thalassemia, and how to prevent it was given to 28,780 students. RESULTS Implying successful delivery of information on the disease, 90.03% (25,910 of 28,780) of the students agreed to join this program for thalassemia screening. A thalassemia carrier rate of 15.99% (4144 of 25,910) was found. Also, 69 rare genotypes (28 of α-thalassemia and 41 of β-thalassemia) and 9 novel variants were identified. CONCLUSIONS This NGS-based method provided a feasible platform for high school population thalassemia screening. Combined with a clinical follow-up strategy, it could help eventually to prevent the births of affected children.
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Affiliation(s)
- Yajun Chen
- Shaoguan Maternal and Child Health Hospital, Shaoguan, China
| | - Rui Zhong
- Shaoguan Maternal and Child Health Hospital, Shaoguan, China
| | - Xueqin Guo
- BGI-Wuhan Clinical Laboratories, BGI-Shenzhen, Wuhan, China
| | - Shiping Chen
- Clinical Laboratory of BGI Health, BGI-Shenzhen, Shenzhen, China
| | - Yan Wang
- Shaoguan Maternal and Child Health Hospital, Shaoguan, China
| | - Jiufeng Li
- Shaoguan Maternal and Child Health Hospital, Shaoguan, China
| | - Lichan Huang
- Shaoguan Maternal and Child Health Hospital, Shaoguan, China
| | - Yi Li
- Shaoguan Maternal and Child Health Hospital, Shaoguan, China
| | - Xiaoling Wang
- Shaoguan Maternal and Child Health Hospital, Shaoguan, China
| | - Liting Wu
- Shaoguan Maternal and Child Health Hospital, Shaoguan, China
| | - Mubao Huang
- Clinical Laboratory of BGI Health, BGI-Shenzhen, Shenzhen, China
| | - Xiaoyan Huang
- Clinical Laboratory of BGI Health, BGI-Shenzhen, Shenzhen, China
| | - Junbin Fang
- Clinical Laboratory of BGI Health, BGI-Shenzhen, Shenzhen, China
| | - Zhongjie Chu
- Clinical Laboratory of BGI Health, BGI-Shenzhen, Shenzhen, China
| | - Jun Sun
- Tianjin Medical Laboratory, BGI-Tianjin, BGI-Shenzhen, Tianjin, China
- BGI-Tianjin, BGI-Shenzhen, Tianjin, China
| | - Zhiyu Peng
- BGI Genomics, BGI-Shenzhen, Shenzhen, China
| | - Yan Sun
- BGI Genomics, BGI-Shenzhen, Shenzhen, China
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Gravholt EAE, Petersen J, Mottelson M, Nardo-Marino A, Rathe M, Olsen M, Holm C, Jørgensen FS, Birgens H, Glenthøj A. The Danish national haemoglobinopathy screening programme: Report from 16 years of screening in a low-prevalence, non-endemic region. Br J Haematol 2024; 204:329-336. [PMID: 37694757 DOI: 10.1111/bjh.19103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 08/24/2023] [Accepted: 08/29/2023] [Indexed: 09/12/2023]
Abstract
The Danish national haemoglobinopathy screening programme seeks to determine parental haemoglobinopathy carrier state antenatally. In this retrospective register-based study, we evaluated the 16-year trajectory of this programme, utilising the Danish Red Blood Cell Centre's laboratory database, covering approximately 77% of the Danish population. During the study period, we observed a substantial increase in annual diagnostic examinations performed, from 389 in 2007 to 3030 in 2022. Women constituted 88% of these cases, aligning with the emphasis of the screening programme. Of these, 54% of women of reproductive age (15-40 years) and 10% of women >40 years were specified as pregnant. During our study period, 61 children were born with a severe haemoglobinopathy, out of which 23 children were born from mothers not residing in Denmark during their first trimester thus not included in the screening programme. Prenatal invasive testing was performed for 60 fetuses, identifying 12 with homozygous or compound heterozygous haemoglobinopathy. The Danish haemoglobinopathy screening programme has provided screening, information and reproductive choices for numerous families. During the study period, screening for haemoglobinopathies has been steadily increasing and is expected to continue to increase. Awareness of and adherence to the screening programme is subject of further investigation and optimisation.
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Affiliation(s)
| | - Jesper Petersen
- Danish Red Blood Cell Centre, Department of Haematology, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
| | - Mathis Mottelson
- Danish Red Blood Cell Centre, Department of Haematology, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
| | - Amina Nardo-Marino
- Danish Red Blood Cell Centre, Department of Haematology, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
| | - Mathias Rathe
- Hans Christian Andersen Children's Hospital, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Marianne Olsen
- Department of Paediatrics and Adolescent Medicine, Aalborg University Hospital, Aalborg, Denmark
| | - Charlotte Holm
- Department of Gynaecology and Obstetrics, Copenhagen University Hospital - Amager and Hvidovre, Hvidovre, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Finn Stener Jørgensen
- Department of Gynaecology and Obstetrics, Copenhagen University Hospital - Amager and Hvidovre, Hvidovre, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Fetal Medicine Unit, Department of Gynaecology and Obstetrics, Copenhagen University Hospital - Amager and Hvidovre, Hvidovre, Denmark
| | - Henrik Birgens
- Danish Red Blood Cell Centre, Department of Haematology, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
| | - Andreas Glenthøj
- Danish Red Blood Cell Centre, Department of Haematology, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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4
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Piel FB, Rees DC, DeBaun MR, Nnodu O, Ranque B, Thompson AA, Ware RE, Abboud MR, Abraham A, Ambrose EE, Andemariam B, Colah R, Colombatti R, Conran N, Costa FF, Cronin RM, de Montalembert M, Elion J, Esrick E, Greenway AL, Idris IM, Issom DZ, Jain D, Jordan LC, Kaplan ZS, King AA, Lloyd-Puryear M, Oppong SA, Sharma A, Sung L, Tshilolo L, Wilkie DJ, Ohene-Frempong K. Defining global strategies to improve outcomes in sickle cell disease: a Lancet Haematology Commission. Lancet Haematol 2023; 10:e633-e686. [PMID: 37451304 DOI: 10.1016/s2352-3026(23)00096-0] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/31/2023] [Accepted: 04/12/2023] [Indexed: 07/18/2023]
Affiliation(s)
- Frédéric B Piel
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK.
| | - David C Rees
- Department of Paediatric Haematology, King's College London, King's College Hospital, London, UK
| | - Michael R DeBaun
- Department of Pediatrics, Vanderbilt-Meharry Center of Excellence for Sickle Cell Disease, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Obiageli Nnodu
- Department of Haematology and Blood Transfusion, College of Health Sciences and Centre of Excellence for Sickle Cell Disease Research and Training, University of Abuja, Abuja, Nigeria
| | - Brigitte Ranque
- Department of Internal Medicine, Georges Pompidou European Hospital, Assistance Publique-Hopitaux de Paris Centre, University of Paris Cité, Paris, France
| | - Alexis A Thompson
- Division of Hematology, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Russell E Ware
- Division of Hematology and Global Health Center, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Miguel R Abboud
- Department of Pediatrics and Adolescent Medicine, and Sickle Cell Program, American University of Beirut, Beirut, Lebanon
| | - Allistair Abraham
- Division of Blood and Marrow Transplantation, Children's National Hospital, Washington, DC, USA
| | - Emmanuela E Ambrose
- Department of Paediatrics and Child Health, Bugando Medical Centre, Mwanza, Tanzania
| | - Biree Andemariam
- New England Sickle Cell Institute, University of Connecticut Health, Connecticut, USA
| | - Roshan Colah
- Department of Haematogenetics, Indian Council of Medical Research National Institute of Immunohaematology, Mumbai, India
| | - Raffaella Colombatti
- Pediatric Oncology Hematology Unit, Department of Women's and Children's Health, University of Padua, Padua, Italy
| | - Nicola Conran
- Department of Clinical Medicine, School of Medical Sciences, Center of Hematology and Hemotherapy (Hemocentro), University of Campinas-UNICAMP, Campinas, Brazil
| | - Fernando F Costa
- Department of Clinical Medicine, School of Medical Sciences, Center of Hematology and Hemotherapy (Hemocentro), University of Campinas-UNICAMP, Campinas, Brazil
| | - Robert M Cronin
- Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Mariane de Montalembert
- Department of Pediatrics, Necker-Enfants Malades Hospital, Assistance Publique-Hopitaux de Paris Centre, Paris, France
| | - Jacques Elion
- Paris Cité University and University of the Antilles, Inserm, BIGR, Paris, France
| | - Erica Esrick
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Harvard Medical School, Boston, MA, USA
| | - Anthea L Greenway
- Department Clinical Haematology, Royal Children's Hospital, Parkville and Department Haematology, Monash Health, Clayton, VIC, Australia
| | - Ibrahim M Idris
- Department of Hematology, Aminu Kano Teaching Hospital/Bayero University Kano, Kano, Nigeria
| | - David-Zacharie Issom
- Department of Business Information Systems, School of Management, HES-SO University of Applied Sciences and Arts of Western Switzerland, Geneva, Switzerland
| | - Dipty Jain
- Department of Paediatrics, Government Medical College, Nagpur, India
| | - Lori C Jordan
- Department of Pediatrics, Division of Pediatric Neurology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Zane S Kaplan
- Department of Clinical Haematology, Monash Health and Monash University, Melbourne, VIC, Australia
| | - Allison A King
- Departments of Pediatrics and Internal Medicine, Divisions of Pediatric Hematology and Oncology and Hematology, Washington University School of Medicine, St Louis, MO, USA
| | - Michele Lloyd-Puryear
- Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA
| | - Samuel A Oppong
- Department of Obstetrics and Gynecology, University of Ghana Medical School, Accra, Ghana
| | - Akshay Sharma
- Department of Bone Marrow Transplantation and Cellular Therapy, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Lillian Sung
- Division of Haematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada
| | - Leon Tshilolo
- Institute of Biomedical Research/CEFA Monkole Hospital Centre and Official University of Mbuji-Mayi, Mbuji-Mayi, Democratic Republic of the Congo
| | - Diana J Wilkie
- Department of Biobehavioral Nursing Science, College of Nursing, University of Florida, Gainesville, FL, USA
| | - Kwaku Ohene-Frempong
- Division of Hematology, Children's Hospital of Philadelphia, Pennsylvania, USA; Sickle Cell Foundation of Ghana, Kumasi, Ghana
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Kawooya I, Kayongo E, Munube D, Mijumbi-Deve R, Elliott S, Vandermeer B, Sewankambo N. Point-of-care diagnostic tests for sickle cell disease. Hippokratia 2022. [DOI: 10.1002/14651858.cd014584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Ismael Kawooya
- The Center for Rapid Evidence Synthesis; Makerere University, College of Health Sciences; Kampala Uganda
| | - Edward Kayongo
- Pharmacy Department; Case Western Reserve University Uganda Collaboration; Kampala Uganda
| | - Deogratias Munube
- Department of Paediatrics and Child Health; Makerere University, College of Health Sciences; Kampala Uganda
| | - Rhona Mijumbi-Deve
- Center for Rapid Evidence Synthesis; Makerere University, College of Health Sciences; Kampala Uganda
| | - Sarah Elliott
- Cochrane Child Health, Department of Pediatrics; University of Alberta; Edmonton Canada
| | - Ben Vandermeer
- Department of Pediatrics and the Alberta Research Centre for Health Evidence; University of Alberta; Edmonton Canada
| | - Nelson Sewankambo
- School of Medicine; Makerere University College of Health Sciences; Kampala Uganda
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Community based screening for sickle haemoglobin among pregnant women in Benue State, Nigeria: I-Care-to-Know, a Healthy Beginning Initiative. BMC Pregnancy Childbirth 2021; 21:498. [PMID: 34238241 PMCID: PMC8268197 DOI: 10.1186/s12884-021-03974-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 06/29/2021] [Indexed: 11/25/2022] Open
Abstract
Background Haemoglobin genotype screening at prenatal care offers women an opportunity to be aware of their genotype, receive education on sickle cell disease (SCD) and may increase maternal demand for SCD newborn screening. In developed countries, most pregnant women who access prenatal care and deliver at the hospital receive haemoglobin genotype screening. In settings with low prenatal care attendance and low hospital deliveries, community-based screening may provide similar opportunity for pregnant women. We assessed the feasibility and acceptability of integrating haemoglobin genotype screening into an existing community-based HIV program. Methods Onsite community-based integrated testing for HIV, hepatitis B virus and haemoglobin electrophoresis, were conducted for pregnant women and their male partners. Community Health Advisors implementing the NIH and PEPFAR-supported Healthy Beginning Initiative (HBI) program provided education on SCD, collected blood sample for haemoglobin electrophoresis and provided test results to participants enrolled into the HBI program. We concurrently conducted a cross-sectional study using a pretested, semi-structured, interviewer administered questionnaire to collect demographic data and assess awareness of individual haemoglobin “genotype” among HBI pregnant women participants. Results In this study, 99.9% (10,167/10,168) of pregnant women who received education on SCD accepted and completed the survey, had blood drawn for haemoglobin electrophoresis and received their results. A majority of participating pregnant women (97.0%) were not aware of their haemoglobin “genotype”. Among the participants who were incorrect about their haemoglobin “genotype”, 41.1% (23/56) of women who reported their haemoglobin “genotype” as AA were actually AS. The odds of haemoglobin “genotype” awareness was higher among participants who were in younger age group, completed tertiary education, had less number of pregnancies, and attended antenatal care. Overall prevalence of sickle cell trait (AS) was 18.7%. Conclusions It is feasible to integrate haemoglobin “genotype” testing into an existing community-based maternal-child program. Most pregnant women who were unaware of their haemoglobin “genotype” accepted and had haemoglobin genotype testing, and received their test results. Increasing parental awareness of their own haemoglobin “genotype” could increase their likelihood of accepting newborn screening for SCD. Supplementary Information The online version contains supplementary material available at 10.1186/s12884-021-03974-4.
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7
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Angastiniotis M, Petrou M, Loukopoulos D, Modell B, Farmakis D, Englezos P, Eleftheriou A. The Prevention of Thalassemia Revisited: A Historical and Ethical Perspective by the Thalassemia International Federation. Hemoglobin 2021; 45:5-12. [PMID: 33461349 DOI: 10.1080/03630269.2021.1872612] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Hemoglobinopathies are the most common monogenic disorders in humans; among them, thalassemia constitutes a serious medical and public health problem in high prevalence regions, in a geographical zone ranging from the Mediterranean Basin to China. In addition, migrations over the years have introduced thalassemia to many parts of the world. Although disease-specific programs are in place and accessible to most patients in prosperous countries, this is not the case in developing economies, where more than 75.0% of the patient population is born and lives; this concerns both prevention and treatment programs. In view of the significant improvements in public health and healthcare systems over the past few years, the Thalassemia International Federation has revisited the thalassemia prevention programs, initiatives and policies in some of its member countries, discussing their effectiveness and whether any changes in policy or public attitudes to thalassemia prevention have occurred through the recent years.
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Affiliation(s)
| | - Mary Petrou
- Institute of Women's Health, University College London, London, UK
| | - Dimitrios Loukopoulos
- National and Kapodistrian, University of Athens Medical School and Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Bernadette Modell
- WHO Collaborating Centre for Community Genetics, Centre for Health Informatics and Multiprofessional Education (CHIME), University College London, London, UK
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8
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Chudleigh J, Chinnery H. Psychological Impact of NBS for CF. Int J Neonatal Screen 2020; 6:27. [PMID: 33073024 PMCID: PMC7422999 DOI: 10.3390/ijns6020027] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Accepted: 03/25/2020] [Indexed: 12/29/2022] Open
Abstract
Newborn screening for cystic fibrosis has resulted in diagnosis often before symptoms are recognised, leading to benefits including reduced disease severity, decreased burden of care, and lower costs. The psychological impact of this often unsought diagnosis on the parents of seemingly well children is less well understood. The time during which the screening result is communicated to families but before the confirmatory test results are available is recognised as a period of uncertainty and it is this uncertainty that can impact most on parents. Evidence suggests this may be mitigated against by ensuring the time between communication and confirmatory testing is minimized and health professionals involved in communicating positive newborn screening results and diagnostic results for cystic fibrosis to families are knowledgeable and able to provide appropriate reassurance. This is particularly important in the case of false positive results or when the child is given a Cystic Fibrosis Screen Positive, Inconclusive Diagnosis designation. However, to date, there are no formal mechanisms in place to support health professionals undertaking this challenging role, which would enable them to meet the expectations set out in specific guidance.
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Affiliation(s)
- Jane Chudleigh
- School of Health Sciences, City, University of London, London EC1V 0HB, UK
| | - Holly Chinnery
- Faculty of Sports, Health and Applied Science, St Mary’s University, London TW1 4SX, UK;
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Hansen DL, Glenthøj A, Möller S, Biemond BJ, Andersen K, Gaist D, Petersen J, Frederiksen H. Prevalence of Congenital Hemolytic Disorders in Denmark, 2000-2016. Clin Epidemiol 2020; 12:485-495. [PMID: 32547240 PMCID: PMC7247725 DOI: 10.2147/clep.s250251] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Accepted: 04/07/2020] [Indexed: 12/17/2022] Open
Abstract
Background Congenital red blood cell (RBC) disorders, such as hemoglobinopathies, are frequent worldwide but with large geographical variation. Growing migration has increased the number of patients with RBC disorders in formerly low prevalence countries, eg, Denmark. However, accurate prevalences are unknown. Methods Patients with a registered diagnosis of congenital hemolysis in the Danish National Patient Register between 1977 and 2016 were linked to a national laboratory database of RBC disorders and the Danish civil registration system. We calculate annual age- and sex-specific prevalences of the congenital hemolytic disorders from 2000 to 2016. Results Prevalences of all subtypes of congenital hemolytic disorders increased during the study period. The prevalence of hereditary spherocytosis increased 1.73 times between 2000 and 2015, from 10.2/105 persons to 17.7/105 persons. Alpha thalassemia trait had a prevalence of 0.5/105 persons in 2000, but increased 41 times to 19.2/105 persons in 2015. Beta thalassemia minor increased eightfold from 4.5/105 persons in 2000 to 34.9/105 persons in 2015. Likewise, sickle cell trait increased 11 times from 0.7/105 persons in 2000 to 8.1/105 persons in 2015, whereas sickle cell disease increased from 0.5/105 persons to 2.7/105 persons in 2015, a fivefold increase. Conclusion The prevalence of congenital RBC disorders in Denmark is increasing. The hemoglobinopathy traits now have prevalences as high as hereditary spherocytosis. These estimates of congenital hemolytic disorders in Denmark emphasize that inborn hemoglobin disorders are a public health concern, even in some formerly low prevalence countries.
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Affiliation(s)
- Dennis Lund Hansen
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark.,Department of Hematology, Odense University Hospital, Odense, Denmark
| | - Andreas Glenthøj
- Department of Hematology, Center for Hemoglobinopathies, Herlev and Gentofte Hospital, Herlev, Denmark
| | - Sören Möller
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark.,OPEN, Odense University Hospital, Odense, Denmark
| | - Bart J Biemond
- Department of Hematology, Amsterdam University Medical Centre's, Amsterdam, Netherlands
| | - Kjeld Andersen
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark.,Department of Mental Health - Odense, Region of Southern Denmark, Odense, Denmark
| | - David Gaist
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark.,Neurology Research Unit, Department of Neurology, Odense University Hospital, Odense, Denmark
| | - Jesper Petersen
- Department of Hematology, Center for Hemoglobinopathies, Herlev and Gentofte Hospital, Herlev, Denmark
| | - Henrik Frederiksen
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark.,Department of Hematology, Odense University Hospital, Odense, Denmark
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