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 Detalle_Publicacion

Abnormal bone turnover in individuals with low serum alkaline phosphatase

Abstract: The clinical spectrum of hypophosphatasia (HPP) is broad and variable within families. Along severe infantile forms, adult forms with mild manifestations may be incidentally discovered by the presence of low alkaline phosphatase (ALP) activity in serum. However, it is still unclear whether individuals with persistently low levels of ALP, in the absence of overt manifestations of HPP, have subclinical abnormalities of bone remodeling or bone mass. The aim of this study was to obtain a better understanding of the skeletal phenotype of adults with low ALP by analyzing bone mineral density (BMD), bone microarchitecture (trabecular bone score, TBS), and bone turnover markers (P1NP and ß-crosslaps). We studied 42 individuals with persistently low serum ALP. They showed lower levels of P1NP (31.4?±?13.7 versus 48.9?±?24.4 ng/ml; p?=?0.0002) and ß-crosslaps (0.21?±?0.17 versus 0.34?±?0.22 ng/ml, p?=?0.0015) than individuals in the control group. There were no significant differences in BMD, bone mineral content, or TBS. These data suggest that individuals with hypophosphatasemia have an overall reduction of bone turnover, even in the absence of overt manifestations of HPP or low BMD. We evaluated bone mineral density (BMD), bone microarchitecture, and bone turnover markers in patients with low serum levels of alkaline phosphatase. Our results show that these patients have low bone remodeling even in the absence of BMD abnormalities, thus supporting the recommendation of avoiding antiresorptives such as bisphosphonates in these subjects.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: Osteoporos Int. 2018 Sep;29(9):2147-2150

Editorial: Springer London

 Fecha de publicación: 01/09/2018

Nº de páginas: 4

Tipo de publicación: Artículo de Revista

 DOI: 10.1007/s00198-018-4571-0

ISSN: 0937-941X,1139-9465,1433-2965

Url de la publicación: https://dx.doi.org/10.1007/s00198-018-4571-0

Autores/as

LÓPEZ DELGADO, LAURA

LEYRE RIANCHO ZARRABEITIA

TENORIO, JAIR A.

GARCÍA HOYOS, MARTA

LAPUNZINA, PABLO