Hi doc, I am 57 yr old with type 1 DM, I am on Mixtard insulin 30/70 (10 mL vial), 14 units, SC at dinner time and DM Mixtard insulin 30/70 (10 mL vial): 24 units, SC at Breakfast time, and on last blood test my Hb A1c is so high , about 8. 7. So doc, how can I control my blood sugar , ? is it good if i switch it to another insulin regimen or can i use continous insulin pump ?