Fifty eight cases with gastrectomy were subjected toa glucose tolerance test and some other tests.The results were as follows.
1) Twelve cases of them (20.7%) wererecognized as diabetes mellitus: the value of their blood sugar in the glucose tolerance test amounted to over 170 mg/dl at maximum and over 140 mg/dl at 2 and 3 hours after the glucose load.
2) Nine cases of them (15.5%) were diagnosed as probable diabetes mellitus: the value of their blood sugar indicated over 170 mg/dl at maximum and over 140 mg/dl at 2 hours.
3) Eight cases of probable diabetics were examined with a tolubutamide test.Three of them showed abnormal blood sugar level.
4) The insulin-like activity in serum was measured during a glucose tolerance test.Its value showed remarkable increase after taking glucose.
5) On the serum electrolyte value during glucose test, Na value showed indefinitive tendency but K value seemed to be decreased 30 minutes after taking glucose.
6) ECG showed the tendency of T wave flat 30 minutes after taking glucose.
The results described above suggest that cases with gastrectomy should continuously undergo the glucose tolerance test.
