Venous access work became the workhorse for IR when HIV and AIDS came about, do a lit search it is a pretty interesting phenomenon. Prior to that venous access was done in the OR by surgeons many whom LOVED doing venous access work....easy money. A monkey can do venous access work. I am a resident and by the end of my andio training I could put in permcaths in 15 minutes, we would acutally time our selvers otherwise it was too boring. There is a lot of AV fistula and declot work on the table right now, that will either stay with us or go to , get this i hope you all are sitting, intervention nephrologist, yes you heard me correctly nephrologists are starting to to permcaths and declots. So what does that leave us with? PCNs in the middle of the night, nice i like. Percutaneous billary work, of which there isn't a whole lot of anymore due to great advances with laproscopic and endoscopic techniques. Hmmmm arterial work FORGET about it cards, and vascualr surgery will and are doing a majority of the arterial side work, especially on the coasts...the rest of the country will follow. People get all excited about chemoembo and rf ablation but they are pretty few and far between. IR is pretty much dead, for the radiologist. Venous work all day would suck. NIR is on its last legs. Neurosurg is taking over most coiling and glueing for vascular malformations. Carotid stents are being done by cards and vascular surgery. Intracerbral catether directed directed thrombolytic therapy will probably go to cards or neurology. I am a PGY5 rads resident and I really love angio and almost went into IR but decided against it due to the bleak LONG term outlook. I will say this, RIGHT now there are a lot of groups looking for IR people that is because NO radiology residents are doing it. In this years match they only filled 35 positions out of about 150. Pathetic. If you want to practice in an underserved community IR will be good for another 10 years, in the big cities the clinicians have already taken over a LARGE chunk of the fun work. The field is ALIVE and vibrant just NOT for radiologists. If you love catheter work do vascular surgery or cards, in retrospect I wish I did vascular surgery or neurosurgery. Ohh well such is life. Diagnostic radiology is still pretty nice 😉