Evaluation of patients diagnosed with phenylketonuria and biotinidase deficiency by the newborn screening program: a ten-year retrospective study
Background. Phenylketonuria (PKU) and biotinidase deficiency (BD) are autosomal recessive diseases. If they are not identified and treated early, severe intellectual disability and developmental delay occur. This study was conducted to calculate the ten-year incidence of PKU and BD in the Diy...
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Hacettepe University Institute of Child Health
2022-12-01
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| Series: | The Turkish Journal of Pediatrics |
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| Online Access: | https://turkjpediatr.org/article/view/236 |
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| author | İzzettin Toktaş Seyfettin Sarıbaş Semih Canpolat Özgür Erdem Mehmet Nuri Özbek |
| author_facet | İzzettin Toktaş Seyfettin Sarıbaş Semih Canpolat Özgür Erdem Mehmet Nuri Özbek |
| author_sort | İzzettin Toktaş |
| collection | DOAJ |
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Background. Phenylketonuria (PKU) and biotinidase deficiency (BD) are autosomal recessive diseases. If they are not identified and treated early, severe intellectual disability and developmental delay occur. This study was conducted to calculate the ten-year incidence of PKU and BD in the Diyarbakır province of Turkey.
Methods. This cross-sectional study included patients born between 2011-2020 and diagnosed with PKU and BD. Patients with a clear diagnosis had their records evaluated retrospectively.
Results. Between 2011 and 2020, blood was taken from 417,525 newborns` heels in Diyarbakir province. As a result of further diagnostic testing, 53 PKU (Incidence: 1:7878) and 177 BD (Incidence: 1:2359) were detected. Of the patients with BD, 56% had profound BD and 44% had partial BD. The records of a total of 269 patients (PKU: 25; BD: 123; Hyperphenylalaninemia: 121) were examined. Parents of 65% (n=15) of the patients diagnosed with PKU and 46.6% (n=55) of the patients diagnosed with BD were consanguineous.
Conclusions. The incidence of both PKU and BD was found to be high in our region. The high number of consanguineous marriages was regarded as the most important explanation for the high frequency of these illnesses.
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| format | Article |
| id | doaj-art-4d2b59b3e7be4e0c865d59afab18af4a |
| institution | DOAJ |
| issn | 0041-4301 2791-6421 |
| language | English |
| publishDate | 2022-12-01 |
| publisher | Hacettepe University Institute of Child Health |
| record_format | Article |
| series | The Turkish Journal of Pediatrics |
| spelling | doaj-art-4d2b59b3e7be4e0c865d59afab18af4a2025-08-20T03:01:10ZengHacettepe University Institute of Child HealthThe Turkish Journal of Pediatrics0041-43012791-64212022-12-0164610.24953/turkjped.2022.467Evaluation of patients diagnosed with phenylketonuria and biotinidase deficiency by the newborn screening program: a ten-year retrospective studyİzzettin Toktaş0Seyfettin Sarıbaş1Semih Canpolat2Özgür Erdem3Mehmet Nuri Özbek4Child, Adolescent, Women's and Reproductive Health Unit.Deputy Head of Public Health Services, Diyarbakir Provincial Health Directorate, Diyarbakır.Department of Pediatrics, Diyarbakır Children's Hospital Diyarbakır.Department of Family Medicine, University of Health Sciences, Diyarbakır Gazi Yaşargil Training and Research Hospital, Diyarbakır.Department of Pediatric Endocrinology, Mardin Artuklu University Faculty of Medicine, Mardin, Türkiye. Background. Phenylketonuria (PKU) and biotinidase deficiency (BD) are autosomal recessive diseases. If they are not identified and treated early, severe intellectual disability and developmental delay occur. This study was conducted to calculate the ten-year incidence of PKU and BD in the Diyarbakır province of Turkey. Methods. This cross-sectional study included patients born between 2011-2020 and diagnosed with PKU and BD. Patients with a clear diagnosis had their records evaluated retrospectively. Results. Between 2011 and 2020, blood was taken from 417,525 newborns` heels in Diyarbakir province. As a result of further diagnostic testing, 53 PKU (Incidence: 1:7878) and 177 BD (Incidence: 1:2359) were detected. Of the patients with BD, 56% had profound BD and 44% had partial BD. The records of a total of 269 patients (PKU: 25; BD: 123; Hyperphenylalaninemia: 121) were examined. Parents of 65% (n=15) of the patients diagnosed with PKU and 46.6% (n=55) of the patients diagnosed with BD were consanguineous. Conclusions. The incidence of both PKU and BD was found to be high in our region. The high number of consanguineous marriages was regarded as the most important explanation for the high frequency of these illnesses. https://turkjpediatr.org/article/view/236biotinidase deficiencyincidencenewborn screeningphenylketonuria |
| spellingShingle | İzzettin Toktaş Seyfettin Sarıbaş Semih Canpolat Özgür Erdem Mehmet Nuri Özbek Evaluation of patients diagnosed with phenylketonuria and biotinidase deficiency by the newborn screening program: a ten-year retrospective study The Turkish Journal of Pediatrics biotinidase deficiency incidence newborn screening phenylketonuria |
| title | Evaluation of patients diagnosed with phenylketonuria and biotinidase deficiency by the newborn screening program: a ten-year retrospective study |
| title_full | Evaluation of patients diagnosed with phenylketonuria and biotinidase deficiency by the newborn screening program: a ten-year retrospective study |
| title_fullStr | Evaluation of patients diagnosed with phenylketonuria and biotinidase deficiency by the newborn screening program: a ten-year retrospective study |
| title_full_unstemmed | Evaluation of patients diagnosed with phenylketonuria and biotinidase deficiency by the newborn screening program: a ten-year retrospective study |
| title_short | Evaluation of patients diagnosed with phenylketonuria and biotinidase deficiency by the newborn screening program: a ten-year retrospective study |
| title_sort | evaluation of patients diagnosed with phenylketonuria and biotinidase deficiency by the newborn screening program a ten year retrospective study |
| topic | biotinidase deficiency incidence newborn screening phenylketonuria |
| url | https://turkjpediatr.org/article/view/236 |
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