Table 2.
Results of the venous sampling during selective angiography (Imamura test). Normal range for insulin concentration was 43–210 pmol/L (6.0–29.1 mU/L) and for proinsulin concentration was <1.1 pmol/L (10 pg/mL).
| Time after Ca2+-gluconate bolus | |||||
|---|---|---|---|---|---|
| Artery | Analyte | 0′ | 30′ | 60′ | 120′ |
| Splenic | Insulin, pmol/L (mU/L) | 55 (7.6) | 55 (7.6) | 62 (8.6) | 67 (9.3) |
| Proinsulin, pmol/L (pg/mL) | 20 (185) | 20 (176) | 14 (131) | 20 (176) | |
| Glucose, mmol/L (mg/dL) | 3.0 (54) | 3.1 (55) | 2.8 (51) | 2.9 (53) | |
| Distal splenic | Insulin | 43 (6.0) | 32 (4.4) | 46 (6.4) | 65 (9.0) |
| Proinsulin | 18 (155) | 16 (145) | 15 (132) | 27 (234) | |
| Glucose | 3.0 (54) | 2.4 (43) | 2.7 (49) | 3.3 (60) | |
| Superior mesenteric | Insulin | 32 (4.5) | <14 (2.0) | 60 (8.3) | 43 (6.0) |
| Proinsulin | 19 (166) | 22 (192) | 22 (196) | 24 (212) | |
| Glucose | 2.6 (47) | 2.1 (37) | 3.1 (55) | 3.3 (60) | |
| Gastroduodenal | Insulin | 53 (7.4) | 37 (5.1) | 38 (5.3) | 42 (5.8) |
| Proinsulin | 19 (166) | 20 (179) | 18 (163) | 18 (155) | |
| Glucose | 2.6 (47) | 2.8 (50) | 3.2 (58) | 3.1 (56) | |