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Articles by J Murai
Total Records ( 2 ) for J Murai
  M Koga , J Murai , H Saito , M Mukai , S Matsumoto and S. Kasayama
  Background

In gastrectomized subjects, oral glucose tolerance test often shows marked hyperglycaemia (oxyhyperglycaemia) after glucose loading. Because serum glycated albumin (GA) has been shown to better reflect postprandial and maximum plasma glucose levels, we investigated whether or not the clinical significance of serum GA and glycated haemoglobin (HbA1C) in non-diabetic gastrectomized subjects differs.

Methods

During health examinations, 62 non-diabetic subjects with a history of gastrectomy and 87 non-diabetic control subjects were selected in the present study. Body mass index (BMI) in the gastrectomy group was significantly lower than in the control group.

Results

Fasting plasma glucose levels were significantly lower in the gastrectomized subjects than in the control subjects. Although both HbA1C and serum GA were significantly higher in the gastrectomized subjects, there was a significant difference in GA/HbA1C ratio between the gastrectomized subjects and the control subjects. BMI-adjusted serum GA, based on our previous finding of inverse influence of BMI on serum GA, was also significantly higher in the gastrectomized subjects than in the controls.

Conclusions

Serum GA is higher relative to HbA1C in gastrectomized subjects. This suggests that serum GA may be a better marker than HbA1C for glycaemic excursion in these subjects.

  M Koga , J Murai , H Saito , S Kasayama , A Imagawa , T Hanafusa , T Kobayashi and the Members of the Japan Diabetes Society's Committee on Research on Type 1 Diabetes
  Background

Fulminant type 1 diabetes mellitus (FT1DM), a subtype of type 1 diabetes mellitus, was first reported as a disease entity in 2000. Ketoacidosis at initial onset due to acute pancreatic cell destruction makes early diagnosis and treatment for FT1DM mandatory. In the early period of FT1DM, haemoglobin (Hb)A1C levels are not markedly elevated. This study investigated serum glycated albumin (GA), which reflects acute short-term changes in plasma glucose, as a new clinical index for FT1DM at disease onset.

Methods

Subjects comprised 35 patients with FT1DM who had undergone measurement of HbA1C and serum GA at initial visit and 42 patients with type 2 diabetes mellitus (T2DM) with HbA1C <8.5% and no history of diabetes treatment as controls.

Results

HbA1C was significantly lower in FT1DM than in T2DM, whereas serum GA was significantly higher. GA/HbA1C ratio was thus significantly higher in FT1DM than in T2DM (3.9 ± 0.5 versus 2.8 ± 0.3; P < 0.0001). GA/HbA1C ratio was >3.2 in 41 of 42 FT1DM patients (98%), compared with only one of 32 T2DM patients (3%).

Conclusions

Serum GA is significantly higher in FT1DM than in T2DM, whereas HbA1C is significantly lower. FT1DM can thus be distinguished from untreated T2DM by GA/HbA1C ratio at initial visit before treatment for diabetes.

 
 
 
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