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Diagnosis and management of celiac disease

Author/s: 
Jedid-Jah Blom, Dominica Gidrewicz, Justine Turner, Donald R. Duerksen, M. Ines Pinto-Sánchez

Celiac disease is frequently undiagnosed, in part because of its highly variable clinical presentation.

Celiac disease can present with classic gastrointestinal symptoms (e.g., diarrhea, abdominal pain, bloating, weight loss), atypical or extraintestinal manifestations (e.g., anemia, osteoporosis, neurologic symptoms, infertility, fatigue) or asymptomatic presentations detected from screening.

The first-line serologic screening test measures tissue transglutaminase immunoglobulin A and should be conducted while the patient is consuming gluten.

Complications of celiac disease include nutritional deficiencies, osteoporosis, increased risk of viral infections and pneumonia, and, rarely, risk of malignancy.

Adherence to a lifelong, strict gluten-free diet with regular monitoring of disease activity and nutritional status is key for symptom management and to prevent complications.

Keywords 
celiac disease diet Gluten-Free

Vitamin D Deficiency in Children and Its Management: Review of Current Knowledge and Recommendations

Author/s: 
Misra, M., Pacaud, D., Petryk, A., Collett-Solberg, P. F., Kappy, M.

Given the recent spate of reports of vitamin D deficiency, there is a need to
reexamine our understanding of natural and other sources of vitamin D, as well as
mechanisms whereby vitamin D synthesis and intake can be optimized. This state-of-the-art report from the Drug and Therapeutics Committee of the Lawson Wilkins
Pediatric Endocrine Society was aimed to perform this task and also reviews recommendations for sun exposure and vitamin D intake and possible caveats associated
with these recommendations. Pediatrics 2008;122:398–417

The effect of high-dose vitamin D supplementation on serum vitamin D levels and milk calcium concentration in lactating women and their infants

Author/s: 
Basile, L. A., Taylor, S. N., Wagner, C. L., Horst, R. L., Hollis, B. W.

Objective: Improve vitamin D status in lactating women and their recipient infants, and measure breast milk calcium concentration [Ca] as a function of vitamin D regimen.

Design/methods: Fully breastfeeding mothers were randomized at 1 month postpartum to 2000 (n = 12) or 4000 (n = 13) IU/day vitamin D for 3 months to achieve optimal vitamin D status [serum 25(OH)D > or =32 ng/mL (80 nmol/L)]. Breast milk [Ca], maternal and infant serum 25(OH)D and serum Ca, and maternal urinary Ca/Cr ratio were measured monthly.

Results: Mothers were similar between groups for age, race, gestation, and birth weight. 25(OH)D increased from 1 to 4 months in both groups (mean +/- SD): +11.5 +/- 2.3 ng/mL for group 2000 (p = 0.002) and +14.4 +/- 3.0 ng/mL for group 4000 (p = 0.0008). The 4000 IU/day regimen was more effective in raising both maternal and infant serum levels and breast milk antirachitic activity than the 2000 IU/day regimen. Breast milk [Ca] fell with continued lactation through 4 months in the 2000 and 4000 IU groups. Decline in breast milk [Ca] was not associated with vitamin D dose (p = 0.73) or maternal 25(OH)D (p = 0.94). No mother or infant experienced vitamin D-related adverse events, and all laboratory parameters remained in the normal range.

Conclusion: High-dose vitamin D was effective in increasing 25(OH)D levels in fully breastfeeding mothers to optimal levels without evidence of toxicity. Breast milk [Ca] and its decline in both groups during 1 to 4 months were independent of maternal vitamin D status and regimen. Both the mother and her infant attained improved vitamin D status and maintained normal [Ca].

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