Study of the effect of altitude on the measurement of glycated haemoglobin using point-of-care instruments : cardiovascular topic

Veigne, Sandra W.; Sobngwi, Eugène; Nouthe, Brice; Sobngwi-Tambekou, Joëlle; Balti, Eric Vounsia; Limen, S.; Dehayem, Mesmin; Ama, Vicky Jocelyne Moor; Nguewa, J.-L.; Maimouna, Ndour-Mbaye; Camara, Alioune; Baldé, N.M.; Mbanya, Jean Claude

doi:10.5830/cvja-2014-078

CVJA

2015

DOI: 10.5830/cvja-2014-078

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Study of the effect of altitude on the measurement of glycated haemoglobin using point-of-care instruments : cardiovascular topic

Sandra W. Veigne

Eugène Sobngwi²,

Brice Nouthe

et al.

Abstract: We measured the glycated haemoglobin (HbA1c) levels of a total of 24 non-diabetic volunteers and diabetic patients using a point-of-care (POC) analyser in three Cameroonian cities at different altitudes. Although 12 to 25% of duplicates had more than 0.5% (8 mmol/mol) difference across the sites, HbA1c values correlated significantly (r = 0.89–0.96). Further calibration studies against gold-standard measures are warranted.

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Cited by 2 publications

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“… 5 Other factors, such as blood sample, strips, devices, environmental parameters (altitude and/or temperature) and patient behaviours, are linked to SMBG and may impact yield of capillary glucose readings. 6 , 7 Self-monitoring of blood glucose often has significant errors that are poorly understood by patients and health care providers, particularly the effect of some substances such as sugary fruits 8 and body lotions. 9 …”

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Effect of Body Lotions on Capillary Blood Glucose Measurement – Interference of Hydroquinone-containing Body Lotion with Capillary Glucose Measurement

Omengue

Sobngwi

Dehayem

et al. 2018

European Endocrinology

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The reliability of capillary blood glucose measurements is tremendously important for patients’ care and follow-up. Some factors independent of glucose control could however affect readings during ambulatory monitoring of capillary glucose levels in patients with diabetes mellitus. We sought to evaluate the impact of three body lotions commonly used in Cameroon on different strata of glycaemia. We explored their influence over time on measured capillary glucose values. We enrolled 16 participants. Eligible individuals were adult patients with diabetes (n=12) stratified into three levels of capillary glucose values (100 ± 40 mg/dL [5.55 ± 2.22 mmol/L], 200 ± 40 mg/dL [11.1 ± 2.22 mmol/L] and 300 ± 40 mg/dL [16.65 ± 2.22 mmol/L]) and normoglycaemic individuals (n=4). We measured capillary blood glucose before application, immediately after, then 5, 30 and 60 minutes after application of sweet almond oil, corticosteroid cream and hydroquinone lotion. The measurements made on impregnated body lotion-permeated fingers were compared to that of a clean finger. We observed a significant increase (delta [95% confidence interval, CI]: 119.5% [77.4–222.1]) of capillary glucose level immediately after administration of hydroquinone-containing body lotion (p<0.001). Capillary glucose values after the use of corticoid cream and sweet almond oil was stable 5, 30 and 60 minutes after application (p=0.875 and p=0.883 respectively). In the case of the hydroquinone-containing body lotion, there was a significant difference between capillary glucose level at 5 minutes (delta [95%CI]: 81.6% [55.3–214.2]; p<0.001), 30 minutes (delta [95%CI]: 71.6% [21.8–134.6]; p<0.001) and 60 minutes (delta [95%CI]: 58.3% [2.8–133.3]; p=0.013) after application compared to the value obtained from the clean finger. We observed from our study that there were significant variations in capillary blood glucose measurements induced by the use of hydroquinone lotion.

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Effect of Body Lotions on Capillary Blood Glucose Measurement – Interference of Hydroquinone-containing Body Lotion with Capillary Glucose Measurement

Omengue

Sobngwi

Dehayem

et al. 2018

European Endocrinology

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What’s New in Point-of-Care Testing?

Le¹,

Bixho²,

Melanson³

2016

Point of Care

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Study of the effect of altitude on the measurement of glycated haemoglobin using point-of-care instruments : cardiovascular topic

Cited by 2 publications

References 12 publications

Effect of Body Lotions on Capillary Blood Glucose Measurement – Interference of Hydroquinone-containing Body Lotion with Capillary Glucose Measurement

Effect of Body Lotions on Capillary Blood Glucose Measurement – Interference of Hydroquinone-containing Body Lotion with Capillary Glucose Measurement

What’s New in Point-of-Care Testing?

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