Prevalence of Inappropriateness of Parenteral Vitamin B12 Administration in Ontario, Canada

William K Silverstein; Yulia Lin; Christoffer Dharma; Ruth Croxford; Craig C Earle; Matthew C Cheung

doi:10.1001/jamainternmed.2019.1859

Prevalence of Inappropriateness of Parenteral Vitamin B12 Administration in Ontario, Canada

JAMA Intern Med. 2019 Oct 1;179(10):1434-1436. doi: 10.1001/jamainternmed.2019.1859.

Authors

William K Silverstein¹, Yulia Lin^{1

2

3

4}, Christoffer Dharma⁵, Ruth Croxford⁵, Craig C Earle^{1

2

5}, Matthew C Cheung^{1

2

5}

Affiliations

¹ Department of Medicine, University of Toronto, Toronto, Ontario, Canada.
² Division of Medical Oncology & Hematology, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.
³ Department of Laboratory Medicine & Molecular Diagnostics, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.
⁴ Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada.
⁵ ICES, Toronto, Ontario, Canada.

Abstract

This population-based cohort study evaluated how often intramuscular vitamin B₁₂ was prescribed to Canadian elderly patients when not medically necessary.