Utility of HbA assessment in people with diabetes awaiting liver transplantation.

Bhattacharjee, D, Vracar, S, Round, R A, Nightingale, Peter, Williams, J A, Gkoutos, G V, Stratton, I M, Parker, R, Luzio, S D, Webber, Jonathan, Manley, S E, Roberts, G A and Ghosh, Subrata (2019) Utility of HbA assessment in people with diabetes awaiting liver transplantation. Diabetic medicine : a journal of the British Diabetic Association, 36 (11). pp. 1444-1452. ISSN 1464-5491. This article is available to all UHB staff and students via ASK Discovery tool http://tinyurl.com/z795c8c by using their UHB Athens login IDs.

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Official URL: https://onlinelibrary.wiley.com/doi/full/10.1111/d...

Abstract

AIMS

To investigate the relationship between HbA and glucose in people with co-existing liver disease and diabetes awaiting transplant, and in those with diabetes but no liver disease.

METHODS

HbA and random plasma glucose data were collected for 125 people with diabetes without liver disease and for 29 people awaiting liver transplant with diabetes and cirrhosis. Cirrhosis was caused by non-alcoholic fatty liver disease, hepatitis C, alcoholic liver disease, hereditary haemochromatosis, polycystic liver/kidneys, cryptogenic/non-cirrhotic portal hypertension and α-1-antitrypsin-related disease.

RESULTS

The median (interquartile range) age of the diabetes with cirrhosis group was 55 (49-63) years compared to 60 (50-71) years (P=0.13) in the group without cirrhosis. In the diabetes with cirrhosis group there were 21 men (72%) compared with 86 men (69%) in the group with diabetes and no cirrhosis (P=0.82). Of the group with diabetes and cirrhosis, 27 people (93%) were of white European ethnicity, two (7%) were South Asian and none was of Afro-Caribbean/other ethnicity compared with 94 (75%), 16 (13%), 10 (8%)/5 (4%), respectively, in the group with diabetes and no cirrhosis (P=0.20). Median (interquartile range) HbA was 41 (32-56) mmol/mol [5.9 (5.1-7.3)%] vs 61 (52-70) mmol/mol [7.7 (6.9-8.6)%] (P<0.001), respectively, in the diabetes with cirrhosis group vs the diabetes without cirrhosis group. The glucose concentrations were 8.4 (7.0-11.2) mmol/l vs 7.3 (5.2-11.5) mmol/l (P=0.17). HbA was depressed by 20 mmol/mol (1.8%; P<0.001) in 28 participants with cirrhosis but elevated by 28 mmol/mol (2.6%) in the participant with α-1-antitrypsin disorder. Those with cirrhosis and depressed HbA had fewer larger erythrocytes, and higher red cell distribution width and reticulocyte count. This was reflected in the positive association of glucose with mean cell volume (r=0.39) and haemoglobin level (r=0.49) and the negative association for HbA (r=-0.28 and r=-0.26, respectively) in the diabetes group with cirrhosis.

CONCLUSION

HbA is not an appropriate test for blood glucose in people with cirrhosis and diabetes awaiting transplant as it reflects altered erythrocyte presentation.

Item Type: Article
Additional Information: This article is available to all UHB staff and students via ASK Discovery tool http://tinyurl.com/z795c8c by using their UHB Athens login IDs.
Subjects: WK Endocrine system. Endocrinology
Divisions: Ambulatory Care > Diabetes
Clinical Support
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Depositing User: Mrs Noomi Tyholdt-Pidgley
Date Deposited: 23 Oct 2020 15:21
Last Modified: 18 Feb 2021 12:35
URI: http://www.repository.uhblibrary.co.uk/id/eprint/3557

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