~75yo lady with incidental finding of 6.6cm juxta-renal AAA. Not obviously amenable to EVAR.
Background
- Unprovoked DVT – warfarin
- PMR – 2.5mg pred for years
- Independent, walks 1km/day
- Driving license automatically revoked due to AAA size causing social isolation and loss of independence for patient
Issues
- Patient wishes
- She understands the risks fully and wants to proceed open AAA
- Very distressed by the threat of rupture and by her current loss of independence
- Cardiac function/exercise tolerance
- TTE and sestamibi normal
- CPET results stratify to high risk category:
- Low AT 8.4ml/kg/min, low peak VO2 10ml/kg/min
- Symptomatic with Dizziness and fatigue
- HR peaked early then decreased throughout test (very abnormal) – ? AF
- DBP decreased
- Reviewed at CPET MDT – high risk candidate for open procedure
- Open v. EVAR
- Potential for custom made EVAR graft however 12 weeks manufacturing time -> risk of rupture (10-20% annually) and longer time without independence preop.
Discussion
- Potential for prehab but challenging with transport issues
- What is her goal from the surgery? Avoid rupture vs to return to previous function. How does the latter goal align with likely outcomes from an open AAA.
- Cardiologists suggest AF (if present) not optimizable because she does not require rate control.
- How do we balance patient wishes against risks and potentially futile procedures?
Plan
- Psychological support offered through CPET MDT
- Holter monitor and cardiology follow up organised
- Discuss with surgeon re. EVAR
