Stricture repair

I know I’ve posted this a couple of days ago but I need to know everyone’s experience who have had a stricture after a vaginectomy I’ve had 1 before and now after, I need to know how does the surgeon prevent one from forming after having a vaginectomy, is it just not prevented ? Did you have to wear a Foley catheter and a SP again basically void all over again? Do they make you dilate to prevent? Is there a possibility to use steroid shots? Like the shots for top surgery I need answers please