PAIN NEAR PELVIS (SPINE) Should we take?

My Aunt, Last week Fell Down on the Floor. She's Getting Constant Pain in her L1 Pelvis Near the Spine. We consulted a ortho and he gave her some pain killers. Again, the Next day she fell. We did Her Xray and Mri, but compared to the old xray nothing new was showing in the New Xray. It was the same. There was no improvement. That day we went to the Ortho again, he Told that Surgery is Required. We are also Consulting One more Ortho for a second Opinion. We also have a Function in the Coming Next week. My question is Cant we prolong the surgery and give her pain killers so the pain remains less and when we come back by 26th November, we can go ahead with the Surgery. What else Precautions Should we take?