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An elevated preoperative BNP level was found to be associated with increased cardiovascular risk postoperatively after noncardiac surgery. If the BNP was over 100 to less than 200 pg/mL, the hazard ratio was 2.27. The hazard ratio increased to 5.82 for thos with a 1500 pg/mL or greater BNP level. Comment: The next question: should we delay surgery in patients with an elevated BNP? In many cases for elective surgery, the answer probably is yes. Ann Intern Med. 2019 Dec 24. doi: 10.7326/M19-2501.    (retrieved Jan, 2020). There are currently 1090 pearls in the database. While every attempt has been made to ensure accuracy, mistakes can and do occur. Use databank at your own risk. All pearls © 2024 by the Internet Medical Association. Click Here to view more medical pearls.