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Chen L, Wang L, Wang Y, Hu H, Zhan Y, Zeng Z, Liu L. Global, Regional, and National Burden and Trends of Down Syndrome From 1990 to 2019. Front Genet 2022; 13:908482. [PMID: 35910218 PMCID: PMC9337874 DOI: 10.3389/fgene.2022.908482] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 06/15/2022] [Indexed: 11/13/2022] Open
Abstract
Introduction: Down syndrome (DS) is the leading cause of genetically defined intellectual disability and congenital birth defects worldwide. A large population of people diagnosed with DS globally is posing an enormous socioeconomic burden. However, the global burden and trends of DS have not been reported. Methods: Based on the data from the Global Burden of Disease database in 2019, we analyzed the incidence, prevalence, disability-adjusted life years (DALYs), and death of DS from 1990 to 2019 according to sex, age, regions, and social-demographic index (SDI). Then, age-standardized rates (ASRs) and estimated annual percentage change (EAPC) of these aforementioned indexes were calculated to evaluate the temporal trend of DS. Finally, the association of SDI with DS epidemiological parameters was assessed. Results: In the past 30 years, the incident cases, age-standardized incident rate (ASIR), and age-standardized prevalent rate (ASPR) of DS first decreased slightly and subsequently increased globally. The number of prevalent cases increased steadily, while the number and age-standardized rate (ASRs) of DALYs and deaths decreased gradually from 1990 to 2019. In the meantime, disease burdens were different across various SDI regions. The prevalent cases and ASPR for both sexes were increasing in all SDI regions except for the high-middle SDI region. At the national level, Brunei Darussalam, Ireland, and Haiti were the top three countries with the highest ASIR in 2019. Georgia was in the top three with the highest increase in ASRs of four parameters, while Serbia was consistently ranked in the top three with fastest declining. Furthermore, we found that ASIR and ASPR were positively correlated with SDI, yet the age-standardized DALYs and age-standardized death rate (ASDR) were negatively correlated with SDI. Conclusion: In the past 30 years, the burden and trends of DS were heterogeneous across different regions and countries with different sociodemographic characteristics. Great improvements had been achieved in reducing DALYs and deaths globally. However, the increased number and ASRs of incident and prevalent cases in some regions, especially in low SDI regions, were contributing to numerous challenges to public health. The findings may provide valuable information to the development or implementation of more effective measures.
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Affiliation(s)
- Liyuan Chen
- Department of Obstetrics and Gynecology, Wuhan No 1 Hospital, Wuhan, China
| | - Lifei Wang
- Department of Obstetrics and Gynecology, Wuhan No 1 Hospital, Wuhan, China
| | - Yi Wang
- Second Clinical College, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Haishan Hu
- Department of Reproductive Medicine, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Wuhan, China
| | - Yuan Zhan
- Department of Respiratory and Critical Care Medicine, National Clinical Research Center of Respiratory Disease, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhilin Zeng
- Department and Institute of Infectious Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lidan Liu
- Department of Obstetrics and Gynecology, Wuhan No 1 Hospital, Wuhan, China
- *Correspondence: Lidan Liu,
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Magenis ML, de Faveri W, Castro K, Forte GC, Grande AJ, Perry IS. Down syndrome and breastfeeding: A systematic review. JOURNAL OF INTELLECTUAL DISABILITIES : JOID 2022; 26:244-263. [PMID: 33234015 DOI: 10.1177/1744629520970078] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Several conditions related to serious difficulty in initiating and maintaining breastfeeding in neonates with Down syndrome are described in the literature. This study aimed to investigate the frequency of breastfeeding in neonates with Down syndrome, as well as the reasons for not breastfeeding, through a systematic literature review by searching MEDLINE via PubMed, Cochrane Library, Scopus, Embase via Elsevier, and Cumulative Index to Nursing and Allied Health Literature (CINAHL) databases. Sixteen studies were included with a total sample size of 2022 children with Down syndrome. The frequency of exclusive breastfeeding was 31.6-55.4%, with five studies reporting breastfeeding for longer than 6 months. Breastfeeding from birth was present for 48-92.5% of the children with Down syndrome in six studies. Two studies reported that around 50% and 23.3% of the children with Down syndrome were never breastfed, and rates of breastfeeding in infants with Down syndrome were lower than those in controls in three studies. The reasons for not breastfeeding or cessation of breastfeeding were associated with Down syndrome-specific challenges, maternal reasons, and healthcare aspects.
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Zhen L, Moxon J, Gorton S, Hook D. Can I breastfeed my baby with Down syndrome? A scoping review. J Paediatr Child Health 2021; 57:1866-1880. [PMID: 34586684 DOI: 10.1111/jpc.15765] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Revised: 08/04/2021] [Accepted: 09/08/2021] [Indexed: 12/13/2022]
Abstract
AIM To summarise existing evidence about barriers and enablers to breastfeeding babies with Down syndrome (DS) in peer-reviewed literature. METHODS Ovid Medline, CINAHL, Scopus and Ovid Emcare were searched. Inclusion and exclusion criteria were used to screen yielded articles and those meeting the criteria were included for data extraction. Two authors extracted data including outcomes, design, definition of DS, barriers and enablers to breastfeeding babies with DS. RESULTS Sixteen studies met the inclusion and exclusion criteria. Barriers and enablers were categorised into maternal, child and health professional factors. CONCLUSIONS This review identified a significant literature gap related to breastfeeding babies with DS and more definitive research under current standards is needed. Mothers reported the need for high-quality health professional breastfeeding support and evidence-based effective breastfeeding techniques. A collaborated and concerted approach from both mothers and health professionals is important to optimise breastfeeding for babies with DS.
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Affiliation(s)
- Lijiin Zhen
- James Cook University (JCU) Clinical School, Townsville University Hospital, Townsville, Queensland, Australia
| | - Joseph Moxon
- James Cook University (JCU) Clinical School, Townsville University Hospital, Townsville, Queensland, Australia
| | - Susan Gorton
- James Cook University (JCU) Clinical School, Townsville University Hospital, Townsville, Queensland, Australia
| | - Daniel Hook
- James Cook University (JCU) Clinical School, Townsville University Hospital, Townsville, Queensland, Australia
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Agostini CDO, Poloni S, Barbiero SM, Vian I. Prevalence of breastfeeding in children with congenital heart diseases and down syndrome. Clin Nutr ESPEN 2021; 44:458-462. [PMID: 34330505 DOI: 10.1016/j.clnesp.2021.03.023] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 03/07/2021] [Accepted: 03/31/2021] [Indexed: 10/21/2022]
Abstract
BACKGROUND According to the World Health Organization, the worldwide incidence of Down syndrome is one in a thousand live births a year. Of these, it is estimated that 20-60% have congenital heart disease, a factor that hinders breastfeeding. Considering the numerous benefits of breastfeeding, a study verifying this prevalence in children with Down syndrome and congenital heart disease is indispensable, and this is not yet evidenced in the literature. The aim of this study is to verify the prevalence of breastfeeding in children with Down syndrome and congenital heart disease admitted to a referral hospital in cardiology. METHODS Cross-sectional study with 62 patients, aged between 0 and 5 years. Anthropometric variables (weight, height) and data related to breastfeeding were collected. Statistical analysis was performed using the SPSS® version 26.0 statistical software. RESULTS The prevalence of breastfeeding was of 80.6%, but the median of exclusive breastfeeding was of only 3 days. Only 38.7% received breastfeeding for more than 6 months. The main reasons for interruption were difficulty in sucking and tiredness to breastfeed. Statistical significance was evidenced when comparing the time of exclusive breastfeeding and maintenance with the mother's education, with p = 0.006 and p = 0.041, respectively. No relationship was found between nutritional status and breastfeeding. CONCLUSIONS Despite the high prevalence of breastfeeding, the maintenance time is well below the recommendations. Therefore, further monitoring and promotion of breastfeeding is necessary for this population, given the countless benefits of breast milk.
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Affiliation(s)
- Clarissa de Oliveira Agostini
- Instituto de Cardiologia do Rio Grande do Sul/Fundação Universitária de Cardiologia (IC/FUC), Porto Alegre, Rio Grande do Sul, Brazil
| | - Soraia Poloni
- Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, Rio Grande do Sul, Brazil
| | - Sandra Mari Barbiero
- Instituto de Cardiologia do Rio Grande do Sul/Fundação Universitária de Cardiologia (IC/FUC), Porto Alegre, Rio Grande do Sul, Brazil
| | - Izabele Vian
- Instituto de Cardiologia do Rio Grande do Sul/Fundação Universitária de Cardiologia (IC/FUC), Porto Alegre, Rio Grande do Sul, Brazil.
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Demographic Assessment of Down Syndrome: A Systematic Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18010352. [PMID: 33466470 PMCID: PMC7796484 DOI: 10.3390/ijerph18010352] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 12/30/2020] [Accepted: 12/31/2020] [Indexed: 11/17/2022]
Abstract
The objective of this study is to assess the evidence about the demographic transformation of the Down Syndrome population, with a specific focus on prenatal testing, and to identify sources frequently used for demographic assessment of Down Syndrome in the world. We reviewed existing studies on demographic transformations in the population with Down Syndrome, specifically birthrate indicators, under the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) Statement. The searches were made in Medline (via EBSCO Host), Academic Search Complete (via EBSCO Host), PsycINFO (via EBSCO Host), Web of Science (Core Collection), Public Health Database (via ProQuest), and The Cochrane Library. The terms were developed through Medical Subject Headings (MESH) and American Psycological Asociation Thesaurus of Psychological Index Terms (APA). Full texts were reviewed if information was given regarding location and birthrate for a range of three years or more, and if the first and last year considered was within 1960 and 2019. We found 22 references with a period of study between 1960 and 2019 following the global spread of prenatal testing for Down Syndrome. We found a consistent association between prenatal diagnosis and birthrate, enough to explain the significant fall in the prevalence of Down Syndrome, a somewhat rising incidence of Down Syndrome related to increased maternal age and extension of fertility services in healthcare systems, a generalized use of specific congenital birth defect registries as the primary source of data, and an unclear influence of socio-cultural and territorial variables. Our findings can inform research, policy, and practice to improve the reproductive health and quality of life of the population with Down Syndrome.
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6
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An analysis of fertility, maternal age and Down syndrome in Romania: why does a national pregnancy registry matter? GINECOLOGIA.RO 2021. [DOI: 10.26416/gine.32.2.2021.4995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
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7
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Petrova OV, Murygina OI, Shashin SA, Nikulina DM, Tarasov DG. [Down's syndrome with congenital acute leukemia and congenital heart disease]. Khirurgiia (Mosk) 2020:111-114. [PMID: 33301264 DOI: 10.17116/hirurgia2020121111] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVE To report a rare case of Down's syndrome with congenital acute leukemia and congenital heart disease. MATERIAL AND METHODS We have retrospectively analyzed an electronic database of patients aged 0-17 years who underwent inpatient treatment of congenital heart disease at the Federal Center for Cardiovascular Surgery for the period from January 1, 2010 to December 31, 2018. Incidence of Down's syndrome in children with congenital heart defects was 5.36% of the total number of children with congenital heart defects. No gender differences were identified. The most common congenital heart defects were ventricular septal defect, atrioventricular septal defect, atrial septal defect, patent ductus arteriosus, tetralogy of Fallot. Down's syndrome and congenital heart disease were diagnosed prenatally in 33 out of 319 patients. A rare case of Down's syndrome combined with congenital heart disease and acute leukemia is described. Treatment outcome was unfavorable. CONCLUSION. S Evere concomitant diseases in a child with Down's syndrome determine high postoperative morbidity and mortality. Prenatal diagnosis of Down's syndrome via screening of pregnant women for ultrasound and biochemical markers of this pathology is required.
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Affiliation(s)
- O V Petrova
- Federal Center for Cardiovascular Surgery, Astrakhan, Russia.,Astrakhan State Medical University, Astrakhan, Russia
| | - O I Murygina
- Federal Center for Cardiovascular Surgery, Astrakhan, Russia
| | - S A Shashin
- Astrakhan State Medical University, Astrakhan, Russia
| | - D M Nikulina
- Astrakhan State Medical University, Astrakhan, Russia
| | - D G Tarasov
- Federal Center for Cardiovascular Surgery, Astrakhan, Russia.,Astrakhan State Medical University, Astrakhan, Russia
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Aguilar-Cordero MJ, Rodríguez-Blanque R, Sánchez-López A, León-Ríos XA, Expósito-Ruiz M, Mur-Villar N. Assessment of the Technique of Breastfeeding in Babies with Down Syndrome. AQUICHAN 2020. [DOI: 10.5294/aqui.2019.19.4.6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Affiliation(s)
| | | | | | | | - Manuela Expósito-Ruiz
- Instituto de Investigación Biosanitaria y Fundación para la Investigación Biosanitaria de Andalucía Oriental
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Barros da Silva R, Barbieri-Figueiredo MDC, Van Riper M. Breastfeeding Experiences of Mothers of Children with Down Syndrome. Compr Child Adolesc Nurs 2018; 42:250-264. [PMID: 30095288 DOI: 10.1080/24694193.2018.1496493] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Children with Down syndrome are less likely to be breastfed than typically developing children, and breastfeeding has a lower duration compared to recommendations of the World Health Organization. The aim of this study was to understand the breastfeeding experiences of mothers of children with Down syndrome, including their perceptions of the breastfeeding process and their specific practices. This is a qualitative study with 10 participants, mothers of children aged between 2 months and 9 years. Snowball sampling was used for participants' selection, and semi-structured interviews conducted in participants' households. Three categories emerged: "the breastfeeding experience," involving the process of breastfeeding, the breast milk, feelings, and difficulties of this practice; "experiences of health care," encompassing the support received by health professionals, dissatisfaction with health services, lack of support in breastfeeding, and discontent with health professional behavior; and "learning about Down syndrome," with search for information by parents and advice to health professionals. In this study, we found evidence that breastfeeding success relies very much on mothers' willingness and support of health professionals, namely, nurses. Findings from this study suggest that support of a multidisciplinary team is essential to the success of breastfeeding. Greater awareness is needed regarding the unique rewards and challenges of breastfeeding these infants, as well as how families cope with the ongoing challenges. Therefore, this research is relevant to understand the experiences of mothers of children with DS about breastfeeding, identifying the inhibiting factors, in order to create more appropriate strategies to intervene and implement practices that contribute to the support and promotion of breastfeeding. Results will also influence the education of health professionals, emphasizing the importance of multidisciplinary teams for a comprehensive care and contributing to increasing evidence available about this topic.
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Affiliation(s)
| | - Maria do Céu Barbieri-Figueiredo
- Escola Superior de Enfermagem do Porto , Porto , Portugal.,NursID-CINTESIS (Center for Health Technology and Services Research), Universidade do Porto , Porto , Portugal
| | - Marcia Van Riper
- School of Nursing, and Carolina Center for Genome Sciences, The University of North Carolina at Chapel Hill , Chapel Hill , North Carolina , USA
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10
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Magenis ML, Machado AG, Bongiolo AM, Silva MAD, Castro K, Perry IDS. Dietary practices of children and adolescents with Down syndrome. JOURNAL OF INTELLECTUAL DISABILITIES : JOID 2018; 22:125-134. [PMID: 28078918 DOI: 10.1177/1744629516686571] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The aim of this study was to assess dietary intake, breastfeeding history, weight at birth and current weight in children and adolescents with Down syndrome (DS). Therefore, a cross-sectional, controlled study with 19 DS participants and 19 controls without DS matched by gender and age was performed. Except for vitamin D, a lower or the same frequency of insufficient intake in other micronutrients was noted in participants compared with controls. The DS group had a reduced exclusive breastfeeding duration and increased carbohydrate and caloric intake. The consumption of micronutrients in both groups reinforced the current trend of excessive sodium consumption and insufficient intake of calcium, some B complex vitamins and water by children and adolescents.
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Affiliation(s)
| | | | | | | | - Kamila Castro
- Programa de Pós-Graduação em Saúde da Criança e do Adolescente, Universidade Federal do Rio Grande do Sul, Brazil; Centro de Estudos em Alimentação e Nutrição (CESAN-HCPA/UFRGS), Brasil
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11
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Niamien-Attai C, Bacchetta J, Ranchin B, Sanlaville D, Cochat P. Atteintes rénales de la trisomies 21. Arch Pediatr 2017; 24:1013-1018. [DOI: 10.1016/j.arcped.2017.07.014] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Revised: 03/21/2017] [Accepted: 07/04/2017] [Indexed: 11/28/2022]
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12
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Corder JP, Al Ahbabi FJS, Al Dhaheri HS, Chedid F. Demographics and co-occurring conditions in a clinic-based cohort with Down syndrome in the United Arab Emirates. Am J Med Genet A 2017; 173:2395-2407. [DOI: 10.1002/ajmg.a.38338] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2016] [Revised: 04/03/2017] [Accepted: 06/02/2017] [Indexed: 01/06/2023]
Affiliation(s)
- Jennifer Price Corder
- Department of Pediatrics; Tawam Hospital in Affiliation With Johns Hopkins International; Al Ain United Arab Emirates
| | - Fatima Jaber Sehmi Al Ahbabi
- Department of Pediatrics; Tawam Hospital in Affiliation With Johns Hopkins International; Al Ain United Arab Emirates
| | - Hind Saif Al Dhaheri
- Department of Pediatrics; Tawam Hospital in Affiliation With Johns Hopkins International; Al Ain United Arab Emirates
| | - Fares Chedid
- Department of Neonatology; Al Jalila Children's Specialty Hospital; Dubai United Arab Emirates
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Mircher C, Toulas J, Cieuta-Walti C, Marey I, Conte M, González Briceño L, Tanguy ML, Rethore MO, Ravel A. Anthropometric charts and congenital anomalies in newborns with Down syndrome. Am J Med Genet A 2017; 173:2166-2175. [DOI: 10.1002/ajmg.a.38305] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Revised: 05/06/2017] [Accepted: 05/09/2017] [Indexed: 12/18/2022]
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Zhang XH, Qiu LQ, Ye YH, Xu J. Chromosomal abnormalities: subgroup analysis by maternal age and perinatal features in zhejiang province of China, 2011-2015. Ital J Pediatr 2017; 43:47. [PMID: 28499441 PMCID: PMC5429550 DOI: 10.1186/s13052-017-0363-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Accepted: 04/25/2017] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Recently, the prevalence of chromosomal abnormalities (CA) increased as the increasing proportion of mothers with advanced age. We aimed to explore the prevalence of CA in relation to maternal age and perinatal features. METHODS A retrospective study was performed based on provincial birth defects surveillance data. The relative risk (RR) and 95% confidence interval (CI) were used to calculate maternal age-specific rates of CA. Socio-demographic characteristics of mothers and perinatal features were listed. RESULTS The total prevalence of CA was 6.38 per 10,000 births, which increased per 10,000 births linearly from 4.02 in 2011 to 9.13 in 2015 (x 2line-trend =52.69, p < 0.001). During this period, the prevalence for CA per 10,000 births among women over 35 years old increased from 15.34 in 2011 to 33.82 in 2015 (x 2line-trend =115121.6, p < 0.001). The RR for overall CA, trisomy 21(T21), trisomy 18(T18) and others in mothers 35 years or older were 6.64 (95% CI 5.55 ~ 7.93), 6.83 (95% CI 5.63 ~ 8.30), 4.06 (95% CI 2.09 ~ 7.90) and 7.54 (95% CI 4.02 ~ 14.11) respectively in comparison to mothers aged 25-29 years old. The stillbirths rate for total CA was 76.45%. T21 and T18 were strongly associated with multiple anomalies, especially congenital heart abnormalities. CONCLUSIONS The prevalence of CA increased as maternal age increased. Cases with CA were associated with other congenital defects and high mortality risk.
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Affiliation(s)
- Xiao-Hui Zhang
- Women's Hospital School Of Medicine Zhejiang University, No.1 Xue shi Road, Hangzhou, Zhejiang Province, 310006, People's Republic of China
| | - Li-Qian Qiu
- Women's Hospital School Of Medicine Zhejiang University, No.1 Xue shi Road, Hangzhou, Zhejiang Province, 310006, People's Republic of China
| | - Ying-Hui Ye
- Women's Hospital School Of Medicine Zhejiang University, No.1 Xue shi Road, Hangzhou, Zhejiang Province, 310006, People's Republic of China
| | - Jian Xu
- Women's Hospital School Of Medicine Zhejiang University, No.1 Xue shi Road, Hangzhou, Zhejiang Province, 310006, People's Republic of China.
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Ergaz-Shaltiel Z, Engel O, Erlichman I, Naveh Y, Schimmel MS, Tenenbaum A. Neonatal characteristics and perinatal complications in neonates with Down syndrome. Am J Med Genet A 2017; 173:1279-1286. [DOI: 10.1002/ajmg.a.38165] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2016] [Revised: 12/22/2016] [Accepted: 12/30/2016] [Indexed: 11/07/2022]
Affiliation(s)
| | - Offra Engel
- Down Syndrome Center; Hadassah Medical Center; Hadassah-Hebrew University Medical Center; Mount Scopus Jerusalem Israel
| | - Ira Erlichman
- Neonatology Department Hadassah Medical Center; Jerusalem Israel
| | - Yaron Naveh
- Shaare Zedek Medical Center; Jerusalem Israel
| | | | - Ariel Tenenbaum
- Down Syndrome Center; Hadassah Medical Center; Hadassah-Hebrew University Medical Center; Mount Scopus Jerusalem Israel
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Kurtovic-Kozaric A, Mehinovic L, Malesevic R, Mesanovic S, Jaros T, Stomornjak-Vukadin M, Mackic-Djurovic M, Ibrulj S, Kurtovic-Basic I, Kozaric M. Ten-year trends in prevalence of Down syndrome in a developing country: impact of the maternal age and prenatal screening. Eur J Obstet Gynecol Reprod Biol 2016; 206:79-83. [PMID: 27639605 DOI: 10.1016/j.ejogrb.2016.08.038] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Revised: 07/26/2016] [Accepted: 08/19/2016] [Indexed: 12/01/2022]
Abstract
OBJECTIVE This study examines trends in total and live birth prevalence of trisomy 21 (T21) with regard to increasing maternal age and the introduction of prenatal diagnosis in Bosnia and Herzegovina. METHOD The prenatal detection was introduced in January 2008 in 3 hospitals and assessed until December 31, 2015. In this study, 99 fetuses and 330 babies were diagnosed with T21 in the studied period. RESULTS On average, each year 33 T21 individuals were born and 13 T21 fetuses were diagnosed prenatally. The calculated incidence for the live born T21 individuals in Bosnia is 1:999. The live-birth prevalence of T21 was 9.6 per 10,000 births and the total prevalence of T21 was 19.1. The total T21 prevalence increases exponentially with the advanced maternal age. Prenatal T21 prevalence is 1.29 per 10,000 births for mothers <35, but increases exponentially with increasing age (32 for >40 years). The most common indications for invasive prenatal testing were ultrasound screening combined with biochemical serum analysis followed by the advanced maternal age. CONCLUSION The prevalence of liveborn Down syndrome children remained constant. Despite the fact that increasing maternal age in the last decade contributed to the rise in the total T21 prevalence, the effect of the introduction of prenatal diagnosis on the live-birth T21 prevalence of T21 was minimal, leading to the conclusion that the prenatal screening has to be improved in developing countries.
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Affiliation(s)
- Amina Kurtovic-Kozaric
- Laboratory of Human Genetics, Department of Pathology, Cytology and Human Genetics, University Clinical Center Sarajevo, Sarajevo, Bosnia and Herzegovina.
| | - Lejla Mehinovic
- Laboratory of Human Genetics, Department of Pathology, Cytology and Human Genetics, University Clinical Center Sarajevo, Sarajevo, Bosnia and Herzegovina
| | - Radmila Malesevic
- Department of Medical Genetics, Institute of Laboratory Diagnostics, University Clinical Center of Republic of Srpska, Banjaluka, Bosnia and Herzegovina
| | - Semir Mesanovic
- Laboratory of Cytogenetics, Institute of Pathology, University Clinical Center Tuzla, Tuzla, Bosnia and Herzegovina
| | - Tijana Jaros
- Department of Medical Genetics, Institute of Laboratory Diagnostics, University Clinical Center of Republic of Srpska, Banjaluka, Bosnia and Herzegovina
| | - Meliha Stomornjak-Vukadin
- Laboratory of Human Genetics, Department of Pathology, Cytology and Human Genetics, University Clinical Center Sarajevo, Sarajevo, Bosnia and Herzegovina
| | - Mirela Mackic-Djurovic
- Center for Genetics, Medical Faculty, University of Sarajevo, Sarajevo, Bosnia and Herzegovina
| | - Slavica Ibrulj
- Center for Genetics, Medical Faculty, University of Sarajevo, Sarajevo, Bosnia and Herzegovina
| | - Ilvana Kurtovic-Basic
- Laboratory of Human Genetics, Department of Pathology, Cytology and Human Genetics, University Clinical Center Sarajevo, Sarajevo, Bosnia and Herzegovina
| | - Mirza Kozaric
- Clinic of Obstetrics and Gynecology, University Clinical Center Sarajevo, Sarajevo, Bosnia and Herzegovina
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