Although we did not establish decreased LS2-4 and FN-BMD measurements in patients with DM1, we found reduced bone formation and increased bone resorption markers in children with DM1. Measurements of serum osteocalcin, PINP, urinary Ntx and Ca/Cr might be useful for long-term follow-up in children and adolescents with DM1.
We sought to explore the relationship between Helicobacter pylori infection and serum ferritin, vitamin B(12), folate, and zinc status among children. Fifty patients aged 5-18 years who underwent upper gastrointestinal endoscopy because of dyspeptic symptoms, were studied, prospectively. Patients were grouped as H. pylori positive (group 1, n=32) or H. pylori negative (group 2, n=18) by histopathologic examination and rapid urease test. Fasting serum ferritin, vitamin B(12), folate, and zinc levels of patients were measured. Both groups were indifferent according to age, gender, height standard deviation score (H(SDS)), and weight standard deviation score (W(SDS)). Serum ferritin levels were 33+/-26 and 50+/-46 ng/mL (P=.098), vitamin B(12) levels were 303+/-135 and 393+/-166 pg/mL (P=.042), folate levels were 9.64+/-3.2 and 9.61+/-2.8 ng/mL (P=.979), and zinc levels were 95+/-48 and 87+/-31 mug/dL (P=.538), in groups 1 and 2, respectively. Ferritin levels of 14 (43.8%) patients in group 1 and 6 (33.3%) patients in group 2 were below the normal range (P=.470). Serum vitamin B(12) levels of 9 children (28%) in group 1 and 2 children (11%) in group 2 were below the normal range (P=.287). The findings of the present study suggest that H. pylori infection has a negative effect on serum ferritin and vitamin B(12) levels in children. This negative effect on vitamin B(12) levels is rather marked in contrast to that on ferritin levels. H. pylori infection has no significant effect on serum folate or zinc levels among children.
With the lack of regional differences and the well-standardized status of test results, the RIs derived from this nationwide study can be used for the entire Turkish population.
We speculated that although AMH is secreted predominantly into the seminiferous tubules, studying serum samples might be more advantageous than seminal plasma because the presence of seminal proteases could influence AMH levels in the latter. However, our results did not demonstrate differences in serum concentrations of AMH between the studied groups. Studies with extended patient populations focusing on seminal plasma concentrations of AMH are warranted.
Parathyroidectomy leads to an improvement in the structural and functional impairment associated with atherosclerosis in the vascular wall in asymptomatic hypercalcaemic PHPT patients.
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