Kaderli B, Kivanc SA, Inan UU, Ersoy C, Yucel AA, Yilmaz S, Avci R. Effect of posterior subtenon injection of 40 mg of triamcinolone acetonide on glycemic control and serum cortisol and adrenocorticotropic hormone in diabetic patients.
Eur Rev Med Pharmacol Sci 2014;
18:2609-2614. [PMID:
25317793]
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Abstract
OBJECTIVE
To evaluate the influence of posterior subtenon injection of 40 mg of triamcinolone acetonide (TA) on blood glucose, cortisol and adrenocorticotrophic hormone (ACTH) in patients with clinically significant diabetic macular oedema.
PATIENTS AND METHODS
This prospective clinical study included 33 type 2 diabetic patients assigned to receive subtenon injection of 40 mg of TA (study group: 20 patients, 9 women and 11 men, mean age 60.8 ± 10.1 years) or subtenon injection of 1 ml of saline solution (control group: 13 patients, 7 women and 6 men, mean age 57.9 ± 7.5 years) as an adjunct to focal/grid laser therapy. Pre-injection laboratory tests consisted of fasting blood glucose (FBG), glicolised hemoglobin (HbA1c), fructosamine, ACTH and cortisol. Post-injection measurements were performed in a following schedule: FBG in day 1; FBG, ACTH and cortisol at week 1; FBG, fructosamine, ACTH and cortisol at month 1, 2 and 3. HbA1c was also measured at 3 months. The mean ± SD values of groups at each visit were compared. The time-related changes in the parameters in each group were also analyzed using SPSS (Statistical Package for Social Sciences) for Windows 15.0 software.
RESULTS
Pre-injection FBG, HbA1c, fructosamine, ACTH and cortisol were similar in both groups (p > 0.05 for all). Pre-injection and final HbA1c values were similar in the study (8.6% ± 1.9 and 8.7% ± 1.8, respectively) and control groups (8.6% ± 1.7 and 8.5% ± 1.8, respectively) (p > 0.05 for all). None of the patients had a decrease in plasma cortisol that decreased below normal values at either time point. There was no statistically significant difference between groups and between each visit in groups according to FBG levels, blood fructosamine, ACTH and cortisol levels (p > 0.05 for all). No adverse event was observed.
CONCLUSIONS
Subtenon injection of 40 mg of TA does not increase blood sugar levels significantly, and it does not suppress blood cortisol or ACTH levels at 1 week or later in patients with diabetes mellitus. Subtenon injection of 40 mg TA seems to be safe in respect to elevation of blood sugar levels or systemic corticosteroid pathways.
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