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Lysosomal Storage Disorders in Nonimmune Hydrops Fetalis (NIHF): An Indian Experience

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JIMD Reports, Volume 35

Part of the book series: JIMD Reports ((JIMD,volume 35))

Abstract

Lysosomal storage disorders (LSD) are rare inherited neurovisceral inborn errors of metabolism which may present as nonimmune hydrops fetalis (NIHF) during pregnancy. Although causes of NIHF are highly diverse, LSDs are one of the underlying causes of NIHF. The aim of this study was to elucidate most frequent causes of LSDs presenting as NIHF in Indian population. Several fetal tissues were investigated for enzymatic diagnosis of LSDs using modified fluorometric assays in the current prospective study carried out at our national tertiary center from 2006 through 2016. Other general causes of NIHF were ruled out. Twenty-one percent (7/33) of cases were confirmed to have LSDs. Two patients were diagnosed with Hurler syndrome; two had Sly syndrome and one each of Niemann-Pick disease type A/B, Gaucher’s disease, and mucolipidosis. Four of eleven cases (36%) with recurrent NIHF were found to have LSDs. In spite of extreme rarity of LSDs, they should be considered as a potential cause of NIHF, especially with recurrent NIHF. Specific investigations of LSD leading to definitive diagnosis may aid the clinician in providing accurate genetic counseling and prenatal diagnosis to the patients and help in subsequent pregnancies to the families. Furthermore, early intervention and management with enzyme replacement therapy may be planned for the lysosomal storage disorders where available.

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Acknowledgment

We sincerely thank the patients and their families for their cooperation and for consenting to investigations. The authors also thank Dr. Sunil Trivedi for critical reading of the manuscript.

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Correspondence to Jayesh Sheth .

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Communicated by: Markus Ries, MD, PhD, MHSc, FCP

Appendices

Synopsis

A subset of inborn errors of metabolism is a noteworthy cause for recurrent nonimmune fetal hydrops, with Hurler and Sly syndromes being among the common causes in Indian population.

Conflict of Interests

Jayesh Sheth, Mehul Mistri, Krati Shah, Mayank Chaudhary, Koumudi Godbole, and Frenny Sheth declare that they have no conflict of interests (financial or nonfinancial).

Consent

Informed written consent was obtained from all the participants for publication of their clinical details and/or clinical images. A copy of the written consent is available for review by the editor of this journal.

Ethics

  • Present study under submission has been approved by the institutional ethics committee [FRIGE’s Institute of Human Genetics] wide approval number FRIGE/IEC/5/2010 dated 7th March, 2010. This process is in accordance with the Helsinki Declaration.

  • An informed consent was obtained from the parents before enrolling for the investigations [this was in accordance with the requirement of the institutional ethics committee].

  • An informed consent for publication was also obtained from the individuals included in the submission [this was in accordance with the requirement of the institutional ethics committee].

Authors’ Contributions

Planned and designed the experiments: JS, MM. Clinical analysis: KS, KG, MC. Enzyme and molecular analysis: JS, MM. Wrote the first draft of the manuscript: KS and FS. Made critical revisions and approved final version: KS, JS, and FS. All authors reviewed and approved of the final manuscript.

Funding

No funding was received for this part of the study.

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© 2017 Society for the Study of Inborn Errors of Metabolism (SSIEM)

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Sheth, J., Mistri, M., Shah, K., Chaudhary, M., Godbole, K., Sheth, F. (2017). Lysosomal Storage Disorders in Nonimmune Hydrops Fetalis (NIHF): An Indian Experience. In: Morava, E., Baumgartner, M., Patterson, M., Rahman, S., Zschocke, J., Peters, V. (eds) JIMD Reports, Volume 35. JIMD Reports, vol 35. Springer, Berlin, Heidelberg. https://doi.org/10.1007/8904_2016_24

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  • DOI: https://doi.org/10.1007/8904_2016_24

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-662-55832-4

  • Online ISBN: 978-3-662-55833-1

  • eBook Packages: Biomedical and Life SciencesBiomedical and Life Sciences (R0)

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