A 65-year-old man is admitted to the hospital for elective total knee replacement. The patient has a history of arteriosclerotic cardiac disease, and a 20- year-history of type 2 diabetes mellitus. His most recent hemoglobin A1c value was 8.7%. His diabetes regimen consists of Gliclazide. In order to control his blood sugar peri-, during and post- surgery. Which of the following is most appropriate option?