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Older adult psychiatric inpatients with non-cognitive disorders should be screened for vitamin B12 deficiency

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The journal of nutrition, health & aging

Abstract

Objective

Vitamin B12 (B12) deficiency is most prevalent among older adults. Practice guidelines recommend screening older adults with symptoms of cognitive disorder for B12 deficiency. However, guidelines for non-cognitive psychiatric disorders typically do not mention screening older adults for B12 deficiency. The purpose of this study was to determine whether routine screening of older adult psychiatric inpatients for B12 deficiency, regardless of cognitive symptoms, is clinically justified.

Design

We conducted a retrospective chartreview study of consecutive inpatient admissions.

Setting

Older Adult Acute Psychiatric Inpatient Unit at the University of Maryland Medical Center from 10/2007–4/2010.

Participants

Acute psychiatric inpatients aged ≥50 years who met inclusion criteria (N=374).

Measurements

Mean (SD) B12 levels and percentages of probable (<180pg/mL) and possible (180–350pg/mL) B12 deficiency as well as characteristics of patients with probable and possible B12 deficiency compared to patients with optimal B12 levels.

Results

Mean (SD) B12 levels and percentages of probable and possible B12 deficiency, respectively, for cognitive disorder patients [468 (284) pg/mL, 7.8 % (n=5) and 29.7% (n=19)] and for non-cognitive disorder patients [481(268) pg/mL, 4.8 %(n=15) and 33.2%( n=103)] were not significantly different (t=0.339, df=372, P=0.735; χ2=1.084, df=2, P=0.582, respectively).

Conclusion

Considering the potential benefits and low costs of screening and treatment, we conclude that it is justified to routinely screen older adult psychiatric inpatients for B12 deficiency whether or not cognitive disorder symptoms are present.

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Correspondence to William T. Regenold.

Additional information

Author receives salary support from the Mid Atlantic Nutrition and Obesity Research Center grant number, DK072488

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Lachner, C., Martin, C., John, D. et al. Older adult psychiatric inpatients with non-cognitive disorders should be screened for vitamin B12 deficiency. J Nutr Health Aging 18, 209–212 (2014). https://doi.org/10.1007/s12603-013-0378-z

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  • DOI: https://doi.org/10.1007/s12603-013-0378-z

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