Lizzy, when DS is off his food sometimes I have to empty a juice carton, mix it in and put it back in the carton using a funnel in the straw hole or he is suss and will not drink! Canny little sausage.
When DS had his fast they put the cannula in about 6pm, bloods done then and again at 7pm when he had his bedtime milk. Urine samples taken all night with the little stick on bags (his poor bits were so red with all the sticking and peeling, poor chap) Then bloods done twice in night, and hourly from 8am, half hourly from 10am until 12miday.
Blood sugar went fairly low, ketones in urine from 9am. Fasts are not too dreadful for him as he is not at all food motivated.
Am still waiting for appt with metabolic consultant.
I'm sorry you had such trouble with the cannula, it is so distressing. DS has had so many tests etc I am now really hot on how the staff approach it. I ensure emla cream is put on and I time the full 60 minutes, I also get them to freeze spray it too.
The position they sit in is v important also, at my local hosp pead ward they make him sit facing me so I can hold him, but this makes him 'fight' to get free - last time they did this was when he was almost unconscious from not eating/vomiting and he still put up such a fight that me, SHO, REG and 2 nurses could barely hold him he got so sweaty and slick. The last fight was enough to make him loose consciousness and just go completely limp mid struggle .
At The Evelina they sit on your lap facing away from you, you cross one of your legs over theirs (if the are tall enough) and you hug them with both arms holding one of their arms to theri body and the nurse gently supports the cannulating one. He has never even cried at any of the Evelina blood tests/cannulations.
Although they didn't stick it or bandage it properly, so we did have to have it faffed around with quite a bit but luckily he was a very brave boy and it remained patent.