Gastrointestinal bleeding after HeartMate 3 LVAD implantation – risk calculator
The Michigan Bleeding Risk Model (MBRIM)


Age
(years)
Gender


Device Implanted


Frailty



History of GI Ulcers


Liver Dysfunction


Peripheral Arterial Disease


History of Smoking



New-York Heart Association Class


Right Ventricular Dysfunction on Echocardiography



Hemoglobin A1C (%)


BUN
(mg/dL)
Hemoglobin
(g/dL)





Result:
Time (years)
Risk of GI Bleeding (%)
0.5
0
1
0
2
0




Definitions:

a. Liver dysfunction: History of hepatitis B, hepatitis C, cirrhosis, portal hypertension, esophageal varices, chronic alcohol abuse or congestive hepatopathy.

b. Peripheral arterial disease (PAD): Documented PAD, history of vascular surgery or percutaneous intervention, documented abdominal aortic aneurysm or an imaging study suggesting vascular disease. To note, disease in the carotid, cerebrovascular arteries or thoracic aorta are not considered PAD.

c. History of smoking – Past or current cigarette smoking.