BACKGROUND: Diminished bone mineral density (BMD) is a well known complication in women with classic galactosaemia caused by premature ovarian failure. Diminished BMD in prepubertal patients of either sex has, however, only been reported once. AIM: To assess BMD in children with classic galactosaemia. METHODS: Eleven treated patients (five males, six females, aged 2-18 years) had BMD determined by dual energy x ray absorptiometry. Two measurements were performed, an areal measurement of the total body and a volumetric measurement of the femoral neck. Results were expressed as Z scores. Dietary calcium intake, blood calcium, phosphate, vitamin D, parathormone, and markers of bone formation (bone alkaline phosphatase, osteocalcin) and bone resorption (NTX) were determined. RESULTS: All patients had a significantly diminished BMD. Mean Z score of the volumetric BMD was -1.76 (range -0.7 to -3.3), and of the areal BMD -0.99 (range -0.5 to -1.4). Dietary calcium intake and calcium, phosphate, parathormone, bone alkaline phosphatase, vitamin D metabolites, and osteocalcin (free and carboxylated) were normal in all patients. NTX levels in blood were significantly lower (p < 0.001) than in control subjects. CONCLUSION: BMD in this group of children of both sexes with classic galactosaemia under dietary treatment was decreased. Lower NTX levels in galactosaemics point to an apparent decreased bone resorption.
BACKGROUND: Diminished bone mineral density (BMD) is a well known complication in women with classic galactosaemia caused by premature ovarian failure. Diminished BMD in prepubertal patients of either sex has, however, only been reported once. AIM: To assess BMD in children with classic galactosaemia. METHODS: Eleven treated patients (five males, six females, aged 2-18 years) had BMD determined by dual energy x ray absorptiometry. Two measurements were performed, an areal measurement of the total body and a volumetric measurement of the femoral neck. Results were expressed as Z scores. Dietary calcium intake, blood calcium, phosphate, vitamin D, parathormone, and markers of bone formation (bone alkaline phosphatase, osteocalcin) and bone resorption (NTX) were determined. RESULTS: All patients had a significantly diminished BMD. Mean Z score of the volumetric BMD was -1.76 (range -0.7 to -3.3), and of the areal BMD -0.99 (range -0.5 to -1.4). Dietary calcium intake and calcium, phosphate, parathormone, bone alkaline phosphatase, vitamin D metabolites, and osteocalcin (free and carboxylated) were normal in all patients. NTX levels in blood were significantly lower (p < 0.001) than in control subjects. CONCLUSION: BMD in this group of children of both sexes with classic galactosaemia under dietary treatment was decreased. Lower NTX levels in galactosaemics point to an apparent decreased bone resorption.
Authors: C T Cowell; P W Lu; S A Lloyd-Jones; J N Briody; J R Allen; I R Humphries; E Reed; J Knight; R Howman-Giles; K Gaskin Journal: Acta Paediatr Suppl Date: 1995-09
Authors: Bijina Balakrishnan; Ding An; Vi Nguyen; Christine DeAntonis; Paolo G V Martini; Kent Lai Journal: Mol Ther Date: 2019-09-19 Impact factor: 11.454
Authors: Patricia P Jumbo-Lucioni; Kathryn Garber; John Kiel; Ivo Baric; Gerard T Berry; Annet Bosch; Alberto Burlina; Ana Chiesa; Maria Luz Couce Pico; Sylvia C Estrada; Howard Henderson; Nancy Leslie; Nicola Longo; Andrew A M Morris; Carlett Ramirez-Farias; Susanne Schweitzer-Krantz; Susanne Scheweitzer-Krantz; Catherine Lynn T Silao; Marcela Vela-Amieva; Susan Waisbren; Judith L Fridovich-Keil Journal: J Inherit Metab Dis Date: 2012-03-27 Impact factor: 4.982
Authors: Britt van Erven; Lindsey Welling; Sandra C van Calcar; Artemis Doulgeraki; François Eyskens; Joanna Gribben; Eileen P Treacy; Rein Vos; Susan E Waisbren; M Estela Rubio-Gozalbo; Annet M Bosch Journal: JIMD Rep Date: 2016-12-20