A systematic review of symptoms of Pernicious Anemia

Seage, Catherine Heidi, Bennett, Alexis, Ward, Nicola, Semedo, Lenira, Plattel, Clara H. M., Suijker, Kim I. M., Vis, Jolande Y. and James, Delyth H. 2024. A systematic review of symptoms of Pernicious Anemia. Food and Nutritional Bulletin 45 (1_supp) , S34-S39. 10.1177/03795721241227016

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Abstract

Background: Pernicious anemia (PA) is a type of macrocytic anemia caused by autoimmune gastritis. To facilitate timely diagnosis and treatment of PA there is a pressing need for improved understanding among Healthcare providers of the condition’s symptoms and diagnostic criteria. Objective: This systematic review aims to extend existing clinical knowledge on the presentation of PA by determining which symptoms and clinical complications are reported in published adult case studies. Methods: Relevant studies were identified through electronic searches of PsycINFO, Embase, and MEDLINE, via OvidSP. During data extraction symptoms were categorized according to the International Classification of Diseases and were grouped based on frequency. Results: Symptoms were documented for 103 adults with a diagnosis of PA; the most frequent symptoms were fatigue (55%), loss of sensation in limbs (32%), excessive weight loss (27%), and a sore tongue (23%). Conclusions: This review highlights the diverse symptomology of adults who are diagnosed with PA. Most symptoms documented in case studies are consistent with the core signs of B12 and folate deficiencies. Research is needed to identify if there are common clusters of PA symptoms that can be used as prompts for diagnostic testing in patients with suspected B12 deficiency.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Healthcare Sciences Pharmacy
Publisher:	INT NUTRITION FOUNDATION
ISSN:	0379-5721
Date of Acceptance:	29 December 2023
Last Modified:	04 Feb 2025 13:11
URI:	https://orca.cardiff.ac.uk/id/eprint/175898

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