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Therrell BL, Padilla CD, Borrajo GJC, Khneisser I, Schielen PCJI, Knight-Madden J, Malherbe HL, Kase M. Current Status of Newborn Bloodspot Screening Worldwide 2024: A Comprehensive Review of Recent Activities (2020-2023). Int J Neonatal Screen 2024; 10:38. [PMID: 38920845 PMCID: PMC11203842 DOI: 10.3390/ijns10020038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 03/28/2024] [Accepted: 03/28/2024] [Indexed: 06/27/2024] Open
Abstract
Newborn bloodspot screening (NBS) began in the early 1960s based on the work of Dr. Robert "Bob" Guthrie in Buffalo, NY, USA. His development of a screening test for phenylketonuria on blood absorbed onto a special filter paper and transported to a remote testing laboratory began it all. Expansion of NBS to large numbers of asymptomatic congenital conditions flourishes in many settings while it has not yet been realized in others. The need for NBS as an efficient and effective public health prevention strategy that contributes to lowered morbidity and mortality wherever it is sustained is well known in the medical field but not necessarily by political policy makers. Acknowledging the value of national NBS reports published in 2007, the authors collaborated to create a worldwide NBS update in 2015. In a continuing attempt to review the progress of NBS globally, and to move towards a more harmonized and equitable screening system, we have updated our 2015 report with information available at the beginning of 2024. Reports on sub-Saharan Africa and the Caribbean, missing in 2015, have been included. Tables popular in the previous report have been updated with an eye towards harmonized comparisons. To emphasize areas needing attention globally, we have used regional tables containing similar listings of conditions screened, numbers of screening laboratories, and time at which specimen collection is recommended. Discussions are limited to bloodspot screening.
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Affiliation(s)
- Bradford L. Therrell
- Department of Pediatrics, University of Texas Health Science Center San Antonio, San Antonio, TX 78229, USA
- National Newborn Screening and Global Resource Center, Austin, TX 78759, USA
| | - Carmencita D. Padilla
- Department of Pediatrics, College of Medicine, University of the Philippines Manila, Manila 1000, Philippines;
| | - Gustavo J. C. Borrajo
- Detección de Errores Congénitos—Fundación Bioquímica Argentina, La Plata 1908, Argentina;
| | - Issam Khneisser
- Jacques LOISELET Genetic and Genomic Medical Center, Faculty of Medicine, Saint Joseph University, Beirut 1104 2020, Lebanon;
| | - Peter C. J. I. Schielen
- Office of the International Society for Neonatal Screening, Reigerskamp 273, 3607 HP Maarssen, The Netherlands;
| | - Jennifer Knight-Madden
- Caribbean Institute for Health Research—Sickle Cell Unit, The University of the West Indies, Mona, Kingston 7, Jamaica;
| | - Helen L. Malherbe
- Centre for Human Metabolomics, North-West University, Potchefstroom 2531, South Africa;
- Rare Diseases South Africa NPC, The Station Office, Bryanston, Sandton 2021, South Africa
| | - Marika Kase
- Strategic Initiatives Reproductive Health, Revvity, PL10, 10101 Turku, Finland;
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Twum S, Fosu K, Felder RA, Sarpong KAN. Bridging the gaps in newborn screening programmes: Challenges and opportunities to detect haemoglobinopathies in Africa. Afr J Lab Med 2023; 12:2225. [PMID: 38116518 PMCID: PMC10729498 DOI: 10.4102/ajlm.v12i1.2225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 09/27/2023] [Indexed: 12/21/2023] Open
Abstract
Background Haemoglobinopathies, including sickle cell disease and β-thalassaemia, are monogenic disorders with a relatively higher prevalence among malaria-endemic areas in Africa. Despite this prevalence, most African countries lack the necessary resources for diagnosing and managing these debilitating conditions. Aim This study provides a critical review of newborn screening for detecting haemoglobinopathies in Africa, highlighting challenges and proposing strategies for improved diagnosis and management. Methods A literature search on haemoglobinopathies in Africa was conducted in PubMed, Google Scholar and ScienceDirect, using specific keywords and Boolean operators, including articles published from January 1981 to December 2022. Results The data show that sickle cell disease is prevalent among populations in Central and West Africa; however, β-thalassaemia is prevalent among people in the northern parts of Africa. Newborn screening pilot initiatives for haemoglobinopathies were being implemented in Angola, Nigeria, Ghana, the Democratic Republic of Congo and the Republic of Benin. The cost of testing, lack of sufficient and accessible medical records, and inadequacy in healthcare infrastructure pose significant challenges in bridging the gaps in newborn screening. Furthermore, the stigmatisation and lack of awareness of haemoglobinopathies and access to newborn screening programmes pose additional challenges. Conclusion This review highlights the challenges associated with haemoglobinopathy testing, effective strategies for mitigating these challenges, and future perspectives for expanding efforts toward detecting and managing these disorders across Africa. Providing affordable diagnostic tools, mobile clinics, government subsidies, education campaigns, and the implementation of electronic medical records systems could help bridge the gaps in newborn screening in Africa. What this study adds The study presents a comprehensive view of newborn screening of haemoglobinopathies in Africa, provides a detailed outline of the challenges faced by newborn screening for haemoglobinopathies in Africa, and offers strategies for better diagnosis and care.
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Affiliation(s)
- Seth Twum
- West African Centre for Cell Biology of Infectious Pathogens, Accra, Ghana
- Department of Biochemistry, Cell and Molecular Biology, University of Ghana, Accra, Ghana
| | - Kwadwo Fosu
- West African Centre for Cell Biology of Infectious Pathogens, Accra, Ghana
- Department of Biochemistry, Cell and Molecular Biology, University of Ghana, Accra, Ghana
| | - Robin A Felder
- Department of Pathology, The University of Virginia, Charlottesville, Virginia, United States
| | - Kwabena A N Sarpong
- West African Centre for Cell Biology of Infectious Pathogens, Accra, Ghana
- Department of Biochemistry, Cell and Molecular Biology, University of Ghana, Accra, Ghana
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Kasai ET, Gulbis B, Ntukamunda JK, Bours V, Batina Agasa S, Marini Djang'eing'a R, Boemer F, Katenga Bosunga G, Ngbonda Dauly N, Sokoni Vutseme LJ, Boso Mokili B, Alworong'a Opara JP. Newborn screening for sickle cell disease in Kisangani, Democratic Republic of the Congo: an update. Hematology 2023; 28:2213043. [PMID: 37183964 DOI: 10.1080/16078454.2023.2213043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2023] Open
Abstract
BACKGROUND Neonatal screening is the first action necessary to identify children with sickle cell disease (SCD) and thus ensure their care. Using rapid tests to give an immediate result to families is a new resilient approach of great interest. These two aspects are essential for establishing an adequate health policy for this disease. This study was undertaken in Kisangani to update the current incidence of neonatal SCD. METHODS Heel prick blood samples of 1432 babies born from different racial groups of parents living in Kisangani were collected at birth and screened using a point of care test, i.e. the HemoTypeSCTM. RESULTS The incidence at birth was 2.2% (n = 31; 95% CI: [1.5%-3.1%]) for HbSS homozygosity and 21% (n = 303; 95% CI: [19%-23%]) for HbAS heterozygosity. Compared to a previous study in 2010; the incidence at the birth of the HbSS form has doubled, while that of the heterozygous form HbAS remained almost unchanged. The inter-ethnic incidence of HbSS among the five top-represented ethnic groups was significant (<0.001). CONCLUSION The prevalence of homozygote form has doubled compared to the 0.96% reported in 2010. Setting up a neonatal screening program and an awareness unit is necessary to assess the need for care services correctly.
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Affiliation(s)
- Emmanuel Tebandite Kasai
- Department of Pediatrics, Faculty of Medicine and Pharmacy, University of Kisangani, Kisangani, Democratic Republic of the Congo
| | - Béatrice Gulbis
- Department of Clinical Chemistry, Erasmus Hospital, Université Libre de Bruxelles, Brussels, Belgium
| | - Justin Kadima Ntukamunda
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Kisangani, Kisangani, Democratic Republic of the Congo
| | - Vincent Bours
- Biochemical Genetics Laboratory, Human Genetics, CHU of Liège, University of Liège, Liège, Belgium
| | - Salomon Batina Agasa
- Department of Internal Medicine, Faculty of Medicine and Pharmacy, University of Kisangani, Kisangani, Democratic Republic of the Congo
| | - Roland Marini Djang'eing'a
- Department of Clinical Chemistry, Erasmus Hospital, Université Libre de Bruxelles, Brussels, Belgium
- Laboratory of Analytical Pharmaceutical Chemistry, Faculty of Medicine, University of Liège, Liège, Belgium
| | - François Boemer
- Biochemical Genetics Laboratory, Human Genetics, CHU of Liège, University of Liège, Liège, Belgium
| | - Gedeon Katenga Bosunga
- Department of Obstetrics and Gynecology, Kisangani University Clinics, University of Kisangani, Kisangani, The Democratic Republic of the Congo
| | - Nestor Ngbonda Dauly
- Department of Pediatrics, Faculty of Medicine and Pharmacy, University of Kisangani, Kisangani, Democratic Republic of the Congo
| | - La Joie Sokoni Vutseme
- Department of Anthropology, Faculty of Social, Administrative and Political Sciences, University of Kisangani, Kisangani, Democratic Republic of the Congo
| | - Bosco Boso Mokili
- Faculty of Medicine and Pharmacy, University of Kisangani, Kisangani, Democratic Republic of the Congo
| | - Jean Pierre Alworong'a Opara
- Department of Pediatrics, Faculty of Medicine and Pharmacy, University of Kisangani, Kisangani, Democratic Republic of the Congo
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Galiba Atipo Tsiba FO, Mikia CP, Elira Samba JA, Nziengui Mboumba JV, Malanda F, Mikolele Ahoui C, Elira Dokekias A. Associated Factors of Cholelithiasis among Younger Children with Sickle Cell Disease at the National Reference Center for Sickle Cell Disease in Brazzaville, Congo. Anemia 2023; 2023:8887981. [PMID: 37799288 PMCID: PMC10550436 DOI: 10.1155/2023/8887981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 08/10/2023] [Accepted: 09/07/2023] [Indexed: 10/07/2023] Open
Abstract
Introduction Chronic hemolysis predisposes sickle cell patients to the development of gallstones. Their frequency increases with age, but they may appear early in young children. In the absence of management, they expose the patient to complications that can hinder the quality of life and sometimes even death. This survey aimed to identify the associated factors of the occurrence of cholelithiasis. Materials and Methods It was a case-control study carried out between January 2017 and June 2022 at the National Reference Center for Sickle Cell Disease (SCD) "Antoinette Sassou N'guesso" in Brazzaville. It concerned 37 children with cholelithiasis. Sociodemographic (socioeconomic status and diet) and clinical (body mass index, frequency of vasoocclusive crises and hospitalization for vasoocclusive crises, number of blood transfusion, and chronic complications) as well as hematological examination (type of SCD and blood count in the intercritical period) and hydroxyurea treatment were compared with those of 74 children with no clinical and radiographic signs of cholelithiasis. The chi-squared statistical test and the odds ratio were used for the comparison (p < 0.05). Results The average age was 9.70 ± 1.73 years. The 10-12 age group was the most represented (22 cases or 59.45%), followed by 7- to 9-year-olds (12 cases or 32.43%). Three children (8.10%) were 6 years old. The sex ratio was 0.68 vs. 1.38. Factors associated with cholelithiasis were low socioeconomic status (83.78% vs. 45.95%; IC 95% 1.46-3.89; p ≤ 0.001), a higher number of blood transfusions (5.54 ± 1.22 vs. 2.46 ± 1.13; IC 95% 1.55-6.70; p ≤ 0.001), and irregular systematic monitoring (5.54 ± 1.22 vs. 2.46 ± 1.13; IC 95% 1.55-6.70; p ≤ 0.001). Conclusion A national strategy to facilitate access to care for patients living with sickle cell disease is imperative. Moreover, emphasis should be placed on the prevention and early management of acute complications of SCD.
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Affiliation(s)
- Firmine Olivia Galiba Atipo Tsiba
- National Reference Center for Sickle Cell Disease “Antoinette Sassou Nguesso”, Brazzaville, Congo
- Marien Ngouabi University, Brazzaville, Congo
| | - Clément Pacha Mikia
- National Reference Center for Sickle Cell Disease “Antoinette Sassou Nguesso”, Brazzaville, Congo
| | | | | | - Félix Malanda
- National Reference Center for Sickle Cell Disease “Antoinette Sassou Nguesso”, Brazzaville, Congo
- Marien Ngouabi University, Brazzaville, Congo
| | - Clausina Mikolele Ahoui
- Marien Ngouabi University, Brazzaville, Congo
- Gastroenterology Department, Teaching Hospital of Brazzaville, Brazzaville, Congo
| | - Alexis Elira Dokekias
- National Reference Center for Sickle Cell Disease “Antoinette Sassou Nguesso”, Brazzaville, Congo
- Marien Ngouabi University, Brazzaville, Congo
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Colombatti R, Hegemann I, Medici M, Birkegård C. Systematic Literature Review Shows Gaps in Data on Global Prevalence and Birth Prevalence of Sickle Cell Disease and Sickle Cell Trait: Call for Action to Scale Up and Harmonize Data Collection. J Clin Med 2023; 12:5538. [PMID: 37685604 PMCID: PMC10488271 DOI: 10.3390/jcm12175538] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 08/18/2023] [Accepted: 08/22/2023] [Indexed: 09/10/2023] Open
Abstract
Sickle cell disease (SCD) is an inherited monogenic disorder with high prevalence throughout sub-Saharan Africa, the Mediterranean basin, the Middle East, and India. Sources of SCD epidemiology remain scarce and fragmented. A systematic literature review (SLR) to identify peer-reviewed studies on SCD epidemiology was performed, with a search of bibliographic databases and key conference proceedings from 1 January 2010 to 25 March 2022 (congress abstracts after 2018). The SLR followed PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines. Meta-analyses, using a binomial normal random-effects model, were performed to estimate global and regional prevalence and birth prevalence. Of 1770 journal articles and 468 abstracts screened, 115 publications met the inclusion criteria. Prevalence was highest in Africa (~800/100,000), followed by the Middle East (~200/100,000) and India (~100/100,000), in contrast to ~30/100,000 in Europe. Birth prevalence was highest in Africa (~1000/100,000) and lowest in North America (~50/100,000) and Europe (~30/100,000). This SLR confirmed that sub-Saharan and North-East Africa, India, the Middle East, and the Caribbean islands are global SCD hotspots. Publications including mortality data were sparse, and no conclusions could be drawn about mortality. The identified data were limited due to gaps in the published literature for large parts of the world population; the inconsistent reporting of SCD genotypes, diagnostic criteria, and settings; and a sparsity of peer-reviewed publications from countries with assumed high prevalence. This SLR demonstrated a lack of systematic knowledge and a need to provide uniform data collection on SCD prevalence and mortality.
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Affiliation(s)
- Raffaella Colombatti
- Clinic of Pediatric Hematology Oncology, Department of Child and Maternal Health, Azienda Ospedaliera, University of Padova, 35122 Padua, Italy
| | | | - Morten Medici
- Novo Nordisk A/S, 2860 Søborg, Denmark; (M.M.); (C.B.)
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