Mom (79) Type 2 diabetic, with lymphedema and risk of thrombosis, on a blood thinner, was taken to the ER due to severe stomach pains. The following day coloscopy was performed and ischemic colitis in the large intestine was discovered, but without blood clot, and the low-grade colon cancer was also found. She was sent home to wait an surgery, and since August 6, Xarelto (blood thinner) had to be stopped. Three days later, on August 9, surgery was succefully performed. From August 10, patient was in intensive care recovery, and no blood thinner was given. On August 17 (Friday), she was transferred to the other hospital in to nursing department, sutures still not removed. The surgeon did not order blood thinner as medication, and when we asked about Xarelto (blood thinner) from nurses, they told that blood thinner was not in list of her medications. Her doctor would have been able to see patient only on Tuesday. On Tuesday, August 21, mother suffered very severe pain in her abdomen, and the condition became critical, she was taken to the ER, and emergency surgery was performed. It was discovered that blood clot blocked the artery of small intestine and it failed. The surgery was diagnostic, they considered her status hopeless and mother died on 23. August ...

The question is: Was the length of time being without blood thinner, before and after the surgery, normal for such an high-risk patient?