Table 1.
Proportions and mortality of the different forms of acute mesenteric ischaemia
| AMI type (n of sites)a | Number of cases | Hospital mortality | 90 days mortality |
|---|---|---|---|
| Arterial occlusive (n = 30) | 231 (55.3%) | 114 (49.4%) | 129 (55.8%) |
| Arterial embolism (n = 21) | 61 (14.6%) | 33 (54.1%) | 34 (55.7%) |
| Arterial thrombosis (n = 28) | 104 (24.9%) | 47 (45.2%) | 57 (54.8%) |
| Arterial unspecified (n = 18) | 66 (15.7%) | 34 (51.5%) | 38 (57.6%) |
| Venous thrombosis (n = 19) | 73 (17.5%) | 10 (13.7%) | 12 (16.4%) |
| NOMI (n = 13) | 55 (13.2%) | 40 (72.7%) | 41 (74.5%) |
| Other (n = 7) | 11 (2.6%) | 7 (63.6%) | 7 (63.6%) |
| Unclear (n = 18) | 48 (11.5%) | 34 (70.8%) | 34 (70.8%) |
| TOTAL (n = 32) | 418 (100%) | 205 (49.0%) | 223 (53.3%) |
Other forms include traumatic or non-traumatic dissection, mechanical causes due to tumour or bowel distortion, AMI after angiographic embolization of branches due to bleeding, mechanical devices for cardiac support and abdominal compartment syndrome
(n)a indicates the number of sites where at least one case of this type of AMI was reported
NOMI non-occlusive mesenteric ischaemia