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Outcomes of 8 Years of Noninvasive Prenatal Testing at Nippon Medical School Hospital.
Kawabata, Ikuno; Sahara, Tomoko; Hiraoka, Sayuri; Yonezawa, Mirei; Miyake, Hidehiko; Suzuki, Shunji; Yamada, Takeshi.
Afiliação
  • Kawabata I; Division of Clinical Genetics, Nippon Medical School Hospital.
  • Sahara T; Department of Obstetrics and Gynecology, Nippon Medical School Hospital.
  • Hiraoka S; Division of Clinical Genetics, Nippon Medical School Hospital.
  • Yonezawa M; Division of Clinical Genetics, Nippon Medical School Hospital.
  • Miyake H; Department of Obstetrics and Gynecology, Nippon Medical School Hospital.
  • Suzuki S; Division of Clinical Genetics, Nippon Medical School Hospital.
  • Yamada T; Department of Genetic Counseling, Graduate School of Humanities and Science, Ochanomizu University.
J Nippon Med Sch ; 89(5): 520-525, 2022 Nov 09.
Article em En | MEDLINE | ID: mdl-35644554
BACKGROUND: Noninvasive prenatal testing (NIPT) is used to screen for fetal chromosomal abnormalities, such as fetal aneuploidy, and has been offered at our hospital since 2013. We analyzed data from our center to determine if NIPT screenees could be given more-accurate information on NIPT outcomes. METHODS: This retrospective observational study included 819 pregnant women who requested NIPT at Nippon Medical School Hospital from November 2013 to October 2021. We examined medical records for data on NIPT results and clinical outcomes. RESULTS: Of the 819 women, 764 (93.2%) underwent NIPT, and 55 (6.7%) did not. Of the 764 women who underwent NIPT, 17 received a positive result (2.2%), of whom 2 (11.8%), 4 (23.5%), and 11 (64.7%) received a positive result for trisomy 13, 18, and 21, respectively. The true-positive rates after definitive diagnoses of trisomy 13, 18, and 21 were 1 (50%), 3 (75%), and 11 (100%), respectively. Of the 17 positive results, there were two false-positive results (11.8%) (for trisomy 13 and trisomy 18). Eleven women with fetal aneuploidy terminated their pregnancies, and four cases resulted in intrauterine fetal death. Five neonates with negative NIPT results had congenital disease without chromosomal abnormality. Two patients had indeterminate results from the first blood sampling, possibly because of treatment with unfractionated heparin. The results of repeat testing after heparin cessation were negative. CONCLUSIONS: Our results were generally similar to nationwide data for Japan. NIPT providers can provide more detailed and individualized genetic counseling for each situation by understanding their own medical facility's data in detail.
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Texto completo: 1 Bases de dados: MEDLINE Assunto principal: Teste Pré-Natal não Invasivo Tipo de estudo: Diagnostic_studies / Observational_studies / Prognostic_studies Limite: Female / Humans / Newborn / Pregnancy Idioma: En Revista: J Nippon Med Sch Assunto da revista: MEDICINA Ano de publicação: 2022 Tipo de documento: Article

Texto completo: 1 Bases de dados: MEDLINE Assunto principal: Teste Pré-Natal não Invasivo Tipo de estudo: Diagnostic_studies / Observational_studies / Prognostic_studies Limite: Female / Humans / Newborn / Pregnancy Idioma: En Revista: J Nippon Med Sch Assunto da revista: MEDICINA Ano de publicação: 2022 Tipo de documento: Article