To evaluate whether continuous subcutaneous insulin infusion (CSII) may have any advantage over multiple daily injections (MDI) on glycemic control and treatment satisfaction in young patients with Type 1 diabetes in transition to an adult diabetes center. The study population consisted of 125 patients on MDI; 38 out of the 43 patients considered eligible for CSII completed the study and the 82 remaining on MDI served as control group. Glycemic control and treatment satisfaction [diabetes treatment satisfaction questionnaire (DTSQ)] were evaluated in all patients at baseline and after 12 weeks. At baseline, the two groups were well matched for demographic characteristics and glycemic control. DTSQ score was lower in CSII group (21.1 ± 8.8 vs. 25.1 ± 7.1, P = 0.011). After 12 weeks, a similar decrease in HbA1C was observed in both groups [difference -0.3 % (95 % CI-0.6 to 0.1, P = 0.847)]. Mean amplitude glucose excursions,blood glucose standard deviation, and overall hypoglycemia were significantly reduced in CSII group. DTSQ overall score increased in CSII and decreased in MDI (difference between groups = 9.9, 95 % CI 8.0-12.0, P<0.001), while perceived hyperglycemia and hypoglycemia decreased in CSII compared with MDI (difference:-2.5 and -2.0, respectively, P<0.001 for both). Among young Type 1 diabetic patients in transition from Pediatrics,CSII showed a similar efficacy in reducing HbA1c compared with MDI, with less hypoglycemia and glycemic excursions, and was better in improving overall treatment satisfaction and the rate of perceived hyperglycemia and hypoglycemia.
Introduction Both type 2 diabetes and secondary hypogonadism may be associated with low vitamin D levels. Aim The aim of this study was to evaluate 25-hydroxyvitamin D (25(OH)D) concentrations in type 2 diabetic males with and without hypogonadism. Methods We performed a case–control study among 122 male adults with type 2 diabetes, 51 with associated hypogonadism (Group 1) and 71 with normal gonadal function (Group 2). One hundred age-matched nondiabetic males with normal gonadal function served as a control group. Main Outcome Measures Levels of 25(OH)D were assessed by a chemiluminescent immunoassay in all patients. Morning testosterone, pituitary, thyroid, parathyroid hormones, fasting glucose, and hemoglobin A1c were also evaluated. Results The overall diabetic population showed a mean 25(OH)D concentration (22.3 ± 6.09 ng/mL) significantly lower than the control group (34.3 ± 7.2, P < 0.001), with 81% of diabetic patients presenting 25(OH)D deficiency (<20 ng/mL) or insufficiency (20–29.9 ng/mL). The lowest 25(OH)D concentration was found in Group 1 (20.1 ± 6.58 ng/mL). Concentration of 25(OH)D was significantly lower in the 42 patients with hypogonadotropic hypogonadism as compared with the 9 patients with hypergonadotropic hypogonadism (19.4 ± 7.06 vs. 23.8 ± 6.11 ng/mL, P < 0.001). No difference in erectile dysfunction (ED) prevalence between Group 1 and Group 2 was found, nor was there a correlation between the severity of ED and vitamin D levels (r = −0.10, P = 0.39). Conclusions These results show that type 2 diabetic patients with hypogonadism present lower 25(OH)D concentration and higher prevalence of vitamin D deficiency, compared with patients without hypogonadism. The finding that 25(OH)D concentrations were similar between type 2 diabetic patients with hypergonadotropic hypogonadism and those with normal gonadal function deserves further study.
Introduction Premature ejaculation (PE) is the most common male sexual dysfunction. Its prevalence in Type 1 diabetes is unknown. Aim The aim of this study was to assess the prevalence of PE in Type 1 diabetes and the influence of glycemic control on ejaculatory function. Methods One hundred Type 1 diabetic male patients (age < 40 years) and 51 age-matched nondiabetic control subjects were evaluated for PE. A subgroup of 30 diabetic patients (20 with PE and 10 without) were also evaluated for blood glucose variability. Main Outcome Measures The presence of PE was assessed with the premature ejaculation diagnostic tool (PEDT) and the self-estimated intravaginal ejaculatory latency time (IELT). Glucose variability was evaluated by continuous glucose monitoring for a 7-day period with a DexCom G4 CGM system: the mean amplitude of glycemic excursions (MAGEs), low (LBGI) and high (HBGI) blood glucose indices, and the standard deviation of blood glucose (BGSD) were calculated. Results PE prevalence did not differ significantly between the two groups: pathological values of the PEDT score (>8) and IELT score (<1 minute) were recorded in 24 out of 100 diabetic patients (24%) and in 12 out of 51 controls (23.5%). There were significant associations between hemoglobin A1c and the PEDT score (r = 0.27; P = 0.006) and IELT (r = −0.3; P = 0.01). In the subgroup assessed for glucose variability, the PEDT score was associated with LBGI (r = 0.43; P = 0.01), but not with BGSD (r = 0.1, P = 0.6), MAGE (r = −0.1; P = 0.4), or HBGI (r = 0.1; P = 0.6). Conclusions Our results show a similar prevalence of PE in young male patients with Type 1 diabetes and in the age-matched control population; in diabetic patients with PE, a higher glycemic variability in the hypoglycemic domain is significantly associated with the PEDT score.
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