Of the questions you can ask before surgery, complication rates connect most directly to revision. A complication can lead to a correction, and a clear answer before surgery tells you what the plan would be if something went differently than hoped. It helps to know how to ask, what a useful answer sounds like, and what to do when you do not get one.
Why the question matters
When you read any complication or revision rate, check which procedure, which technique and which group of patients it describes. Then ask the surgeon about the procedure you are considering, not about surgery in general.
Name the procedure and the technique
Name the exact procedure and the technique. Ask what the surgeon has seen go wrong with it, how often, and how those cases were handled. Pages from academic and professional sources can help you build a vocabulary first. One university medical program describes its facial plastic and reconstructive surgery conditions and treatments, which is a way to see how a surgical program words its own scope.
Own-practice figures versus published studies
Ask whether the figure comes from the surgeon's own practice or from published studies. Both are worth hearing. Ask how many cases the number is based on, because a rate from a few cases tells you less than one from many.
An answer that names complications, next steps and who pays
A useful answer is specific. It names the complications, says what would happen next, and says who pays for a correction if one is needed. If the surgeon is vague, you can ask the same question again in different words.
Questions that follow the number
A plastic surgery society publishes question lists for several procedures. Its cheek augmentation page and its eyelid surgery questions show how a professional society frames what patients may want to ask. You can borrow that style for any procedure.
Notes from the visit, read again later
Write down the answer during the visit, or ask permission to record it. Read it again later, away from the visit, and note any gaps.
When the answer is unclear
If the answer is unclear, that does not mean the surgeon is hiding something. Ask for a follow-up in writing, or ask where you can read more. Plain-language patient instructions can fill gaps in the meantime. A medical encyclopedia has a page on oculoplastic procedures that shows how an outside source describes what to expect.
Keep the answers and compare offices
Ask about complications for your specific procedure, ask for the surgeon's own numbers and the sample size behind them, and ask what the correction plan would be. Keep the written answers and compare them across more than one consultation.