Efficacy of self monitoring of blood glucose in patients with newly diagnosed type 2 diabetes (ESMON study): randomised controlled trial
- PMID: 18420662
- PMCID: PMC2394643
- DOI: 10.1136/bmj.39534.571644.BE
Efficacy of self monitoring of blood glucose in patients with newly diagnosed type 2 diabetes (ESMON study): randomised controlled trial
Abstract
Objectives: To assess the effect of self monitoring of blood glucose concentrations on glycaemic control and psychological indices in patients with newly diagnosed type 2 diabetes mellitus.
Design: Prospective randomised controlled trial of self monitoring versus no monitoring (control).
Setting: Hospital diabetes clinics.
Participants: 184 (111 men) people aged <70 with newly diagnosed type 2 diabetes referred to the participating diabetes clinics. Major exclusion criteria were secondary diabetes, insulin treatment, previous self monitoring of blood glucose.
Interventions: Participants were randomised to self monitoring or no monitoring (control) groups for one year with follow-up at three monthly intervals. Both groups underwent an identical structured core education programme. The self monitoring group received additional education on monitoring.
Main outcome measures: Between group differences in HbA(1c), psychological indices, use of oral hypoglycaemic drugs, body mass index (BMI), and reported hypoglycaemia rates.
Results: 96 patients (55 men) were randomised to monitoring and 88 (56 men) to control. There were no baseline differences in mean (SD) age (57.7 (11.0) in monitoring group v 60.9 (11.5) in control group) or HbA(1c) (8.8 (2.1)% v 8.6 (2.3)%, respectively). Those in the monitoring group had a higher baseline BMI (34 (7) v 32 (6.2)). There were no significant differences between groups at any time point (12 months values given) in HbA(1c) (6.9 (0.8)% v 6.9 (1.2)%, P=0.69; 95% confidence interval for difference -0.25% to 0.38%), BMI (33.1 (6.4) v 31.8 (6.0); adjusted for baseline BMI, P=0.32), use of oral hypoglycaemic drugs, or reported incidence of hypoglycaemia. Monitoring was associated with a 6% higher score on the depression subscale of the well-being questionnaire (P=0.01).
Conclusions: In patients with newly diagnosed type 2 diabetes self monitoring of blood glucose concentration has no effect on glycaemic control but is associated with higher scores on a depression subscale.
Trial registration: ISRCTN 49814766.
Conflict of interest statement
Competing interests: None declared.
Figures
Comment in
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Self monitoring of blood glucose in type 2 diabetes.BMJ. 2008 May 24;336(7654):1139-40. doi: 10.1136/bmj.39538.469421.80. Epub 2008 Apr 17. BMJ. 2008. PMID: 18420661 Free PMC article.
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Screening for type 2 diabetes: Why patients who self monitor glucose might be more depressed.BMJ. 2008 Jun 7;336(7656):1263-4. doi: 10.1136/bmj.a246. BMJ. 2008. PMID: 18535036 Free PMC article. No abstract available.
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Glycemic control was not affected by self-monitoring of blood glucose in type 2 diabetes.ACP J Club. 2008 Nov-Dec;149(4):4-5. doi: 10.7326/0003-4819-149-8-200810210-02004. ACP J Club. 2008. PMID: 18937382 No abstract available.
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Glucose self-monitoring: think twice for type 2 patients.J Fam Pract. 2008 Nov;57(11):731-4. J Fam Pract. 2008. PMID: 19006621 Free PMC article.
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Glycaemic control was not affected by self-monitoring of blood glucose in type 2 diabetes.Evid Based Med. 2008 Dec;13(6):170-1. doi: 10.1136/ebm.13.6.170. Evid Based Med. 2008. PMID: 19043028 No abstract available.
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