Abdominal Aortic Aneurysm
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Able to speak and read in local language of trial hospital. Patients older than 18 years scheduled for elective, open repair of an iliac or abdominal aortic aneurysm distal of the SMA (DSAA segment C). Implantation of a tube or bifurcation prosthesis. Trans-abdominal or retroperitoneal surgical approach of aneurysm. Able and willing to provide written informed consent.
Exclusion criteria
Exclusion criteria: Not able to provide written informed consent. Previous open or endovascular intervention on the abdominal aorta (previous surgery on other parts of the aorta or iliac arteries is not an exclusion criterion). History of coagulation disorders, heparin induced thrombocytopenia (HIT), allergy for heparin or thrombocyte pathology. Impaired renal function with EGFR below 30 ml/min. Acute open AAA surgery. Hybrid interventions. Connective tissue disorders. Dual anti-platelet therapy, which cannot be discontinued. Life expectancy less than 2 years. Inflammatory, mycotic or infected aneurysms Allergy for protamine or fish protein
Design outcomes
Secondary
| Measure | Time frame |
|---|---|
| Complications (non-TEC). [ Time Frame: Within 30 days or during the same admission in hospital ] All complications requiring re-operation, longer hospital stay, all other complications. Incidence of kidney injury as defined by RIFLE criteria: rise of serum creatinine > 100% or decrease of eGFR with 50%.32 Allergic reactions. ACT values (in intervention group), total heparin administration, protamine administration. Peroperative blood loss, blood transfusions either autologous or homologous, other blood products administration, total operative time, aortic clamping time, use of adjunctive haemostatic products, length of hospital (including ICU) stay. Health status as measured with the EQ-5D-5L. Economic and healthcare costs evaluation by IMCQ and IPCQ and addition of out-of-pocket expenses. | — |
Primary
| Measure | Time frame |
|---|---|
| Combined incidence of all thrombo-embolic complications (TEC) and all-cause mortality. [ Time Frame: Within 30 days or during the same admission in hospital ] TEC are any complication as caused by thrombus or embolus perioperatively, including but not exclusively: myocardial infarction, leg ischemia, deep venous thrombosis, colon ischemia, transient ischemic attack (TIA)/stroke, graft thrombosis, peroperative thrombus requiring embolectomy or redo of an anastomosis, thrombus or embolus in organs or lower limbs and other peripheral thrombosis. Incidence of bleeding complications according to E-CABG classification, grade 1 and higher: per- or postoperative transfusion of 2 or more units of red blood cells, transfusion of platelets, transfusion of fresh frozen plasma or reoperation for bleeding during hospital stay. | — |
Contacts
Dijklander ziekenhuis