It could, of course, also be coincidental but I
do not believe too strongly in coincidences. I
feel that if you look hard enough, you can
draw a line between just about any event and one that seems to coincide with
it, it's not just happenstance.
It could be, however, that his diet is contributing to these bouts of pancreatitis. What kind of food(s) are you feeding him? Is he eating strictly dog food or does he also eat human food?