Article ; Online: Congenital hypothyroidism after newborn screening program reorganization in the Apulia region.
2022 Volume 48, Issue 1, Page(s) 131
Abstract: Background: Congenital hypothyroidism (CH) is the most frequent congenital endocrine disorder. The purpose of the present study was to evaluate the incidence and etiological classification of CH in Apulia in a three-year period according to the ... ...
| Abstract | Background: Congenital hypothyroidism (CH) is the most frequent congenital endocrine disorder. The purpose of the present study was to evaluate the incidence and etiological classification of CH in Apulia in a three-year period according to the reorganization of the regional screening program in a single central laboratory, as well as to analyze the growth characteristics and the associated risk factors of the CH newborns diagnosed during the study period. Methods: Data derived from the reorganization of the newborn screening program for CH in a single central laboratory that collects dried blood spot (DBS) from 27 Maternity Hospitals are analyzed over a three-year period. Birth weight and length, daily dose of L-T4 at specific key points (3, 6, 12 and 18 months, 2, 2.5 and 3 years) were also obtained from medical records of the CH newborns during the study period and calculated as standard deviation score (SDS). Results: The screening program diagnosed 90 newborns with confirmed CH (incidence 1:990; recall rate: 3.6%). In detail, 75.6% newborns had an eutopic thyroid, and 24.4% had thyroid dysgenesis; 33 out of the 90 newborns (36.6%) had one or more risk factors. Among these, the multiple pregnancies are the most important because they tripled the risk of CH. At diagnosis, TSH levels were different between patients with dysgenesis and those with an eutopic thyroid (p = 0.005). Treatment was started at a mean of 18.5 ± 12.8 days of life. The mean starting dose of levothyroxine (L-T4) was 11.38 ± 2.46 μg/kg/day. Conclusions: The results of these study show an increase of CH cases in newborns with an eutopic thyroid compared to the traditional classification. The centralization of the screening program allows a closer cooperation between laboratory and clinical centers and facilitates the implementation of appropriate diagnostic evaluations and timely initiation of treatment, with positive effects on the management of the condition. |
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| MeSH term(s) | Congenital Hypothyroidism/diagnosis ; Congenital Hypothyroidism/epidemiology ; Female ; Humans ; Infant, Newborn ; Neonatal Screening ; Pregnancy ; Thyrotropin ; Thyroxine/therapeutic use |
| Chemical Substances | Thyrotropin (9002-71-5) ; Thyroxine (Q51BO43MG4) |
| Language | English |
| Publishing date | 2022-07-29 |
| Publishing country | England |
| Document type | Journal Article |
| ZDB-ID | 2088556-8 |
| ISSN | 1824-7288 ; 1720-8424 |
| ISSN (online) | 1824-7288 |
| ISSN | 1720-8424 |
| DOI | 10.1186/s13052-022-01328-0 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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