ERAS includes innovations such as allowing a carbohydrate drink
before surgery (rather than the traditional fast), pain management that reduces opioids in favor of local anesthetics and acetaminophen, getting patients up and walking soon after surgery, and educating patients about what to expect.
A randomized crossover study of the effects of glutamine and lipid on the gastric emptying time of a preoperative carbohydrate drink
. Clin Nutr 2011; 30: 165-71.
But if you'll be running for over 45 minutes, an isotonic carbohydrate drink
can provide useful extra energy.
"Even the choice of drinks during the first and second half of matches is different - the first half choice being water, whilst the second half choice - particularly for the final 20 minutes - is normally a carbohydrate drink
However, to date, only a handful of studies have investigated the effects of multiple carbohydrate (glucose or maltodextrin and fructose) ingestion on cycling performance parameters and whether the difference in exogenous carbohydrate oxidation between a multiple carbohydrate drink
and single carbohydrate drink
results in an improved performance.
The Enhanced Recovery program included ingestion of a carbohydrate drink
two hours prior to surgery, pre-operative multimodal analgesic regimen, goal-directed therapy with Masimo's PVI, intraoperative low-dose spinal morphine, limiting intraoperative opiates, intraoperative infusions of ketamine and lidocaine (continued 48 hours post-operatively), early mobilization, and oral intake post-operatively.
Perrone et al.,  in a small study in 2011, showed that the addition of whey protein to a carbohydrate drink
further improved insulin sensitivity and reduced acute-phase markers compared with carbohydrate alone.
Studies that have compared a carbohydrate-protein drink with a carbohydrate drink
that provided the same amount of energy showed no difference in a subsequent 5-kilometer running time trial or a timed run to exhaustion.
The most important thing is eating within that 20-30 minute window of finishing training; something to refuel, even if it's just a protein and carbohydrate drink
. With all that marathon running and two kids, Isla, five, and Raphael, two in September, who's got the time to do the washing up in your house?
In addition, the results showed that chocolate milk and the carbohydrate drink
were more effective than water in restoring carbohydrate fuel in the muscle.
* Nutrition and Hydration: Drinking water and a potassium-sodium-sugary carbohydrate drink
is essential in the summer.