| Abstract | AIMS/HYPOTHESIS: The aim of the present study was to assess the development of microangiopathy in patients with fulminant type 1 diabetes, a novel subtype of type 1B diabetes. MATERIALS AND METHODS: In a nationwide survey, we followed 41 patients with fulminant type 1 diabetes and 76 age- and sex-matched patients with type 1A diabetes for 5 years. The following data were recorded every 12 months after the onset of diabetes: seven-point blood glucose concentrations, HbA1c level, urinary albumin excretion, serum C-peptide level, blood pressure, daily dosages of insulin, frequency of severe hypoglycaemic episodes, and neurological and fundoscopic examination. RESULTS: The 5-year cumulative incidence of microangiopathy was 24.4% in fulminant type 1 diabetes and 2.6% in type 1A diabetes. In longitudinal studies using the Kaplan-Meier method, the cumulative incidence of each form of microangiopathy was significantly higher in fulminant type 1 diabetes than in type 1A diabetes; retinopathy was 9.8% vs 0% (p=0.014), nephropathy 12.2% vs 2.6% (p=0.015) and neuropathy 12.2% vs 1.3% (p=0.010), respectively. Mean HbA1c levels were similar in the fulminant and type 1A diabetes groups during the follow-up periods. However, the mean M-value, mean insulin dosages and the frequency of severe hypoglycaemic episodes were significantly higher, and the mean postprandial C-peptide level was significantly lower in the fulminant type 1 diabetes group. CONCLUSIONS/INTERPRETATION: These data suggest that patients with fulminant type 1 diabetes are a high-risk subgroup for diabetic microangiopathy associated with the lack of endogenous insulin secretion from the onset of diabetes. |
| Authors | Y Murase, A Imagawa, T Hanafusa, H Iwahashi, Y Uchigata, A Kanatsuka, E Kawasaki, T Kobayashi, A Shimada, I Shimizu, T Maruyama, H Makino
(Affiliation: First Department of Internal Medicine, Osaka Medical College, 2-7 Daigaku-machi, Takatsuki, and Department of Metabolism/Diabetes and Clinical Nutrition, Nagasaki University Hospital of Medicine and Dentistry, Japan.)
|
| Journal | Diabetologia
(Diabetologia)
Vol. 50
Issue 3
Pg. 531-7
(Mar 2007)
ISSN: 0012-186X Germany |
| PMID | 17235525
(Publication Type: Journal Article)
|
| Topics |
- Adult
- Diabetes Mellitus, Type 1
(classification, complications, physiopathology)
- Diabetic Angiopathies
(epidemiology)
- Diabetic Nephropathies
(epidemiology)
- Diabetic Neuropathies
(epidemiology)
- Diabetic Retinopathy
(epidemiology)
- Female
- Humans
- Japan
(epidemiology)
- Male
- Middle Aged
- Risk Factors
|
