chapter 21 Flashcards
hypermetaboic stress after physical stress
increased energy outpit
catabolksm occurs, causing rapi breakfdown of energy reserves to provide glucsoe and other substances neecessaryt for anoblic phase of wound healing and tissue maintenance
proteins, fat, and mienrals are lost n catablic phase just when tehre is an icnreased need for htem to rebuild tissue
condition includes hemorrahge and vomiting
sufficient nurients, fluids, and cal are required asap to repalce losses, build and repair tissue, and return the body to homesostasis
protein-energy malnutrition
problem among hospitalized clients esp eldery
delays wound healing, contributes to eanemia, depresses immune system, increases susceptibility oto ifnection
sypmtosm includew t loss and dry, pale skin
if malnutrition occurs as a result of hsotialization, iatrogenic malnutrtion
extra protein needed for what after sugery
wound healing
tissue building
blood regeratione
extra carb needed for what after sugery
convereted to gycogen and stored to help provide energy after surgery when clients amy be unable to eat normally
B vitamins needed for what after sugery
increased metabolism
vitmina A and C and zinc needed for what after sugery
wound healing
vitmain D needed for what after sugery
absorption of calcium
vitamin K needed for what after sugery
proper clotting of blood
iron needed for what after sugery
blood building
calcium phoosphorous needed for what after sugery
for bones
other minerals needed for what after sugery
acid-base, electroyte, and fluid balance
why NPO before sirgery
ensures stomach contain no food which could be regurigiated and the naspiratired into lungs
if GI, low-residue for a ew days before surgery
what is postsurgical diet
24 hours immediatley after - IV solutions (water, 5-10% dextroe, elecytoytes, vitamins, and medication, max cal is 400-500 cal)
- estimated requirement is 35-45 cal per kg
- protein requirement range from 1.5-2 g/kg body weight
- ice chips when peristalsis returns then clear-liquid diet
avg client can take food within one to four days after surgery
dumping syndrome
after gastric surgery
1503- min after eating
characterized by dizziness, weakness, cramps, vomiting, and diarrhea
food moving too quickly from stomach into small intestine
how to prevent dumping syndrome
smaller more frequent meals sould be eaten and sugary drinks, sweets, and dried fruits should be avoided
fluids should be limited to 4 oz at meals or restricted completely s has not to fill up stomach w fluids instead of nutrients
fluids can taken 30 min after meals
some clinets dont tolerate milk well after gastric surgery
eneteral nutrtion
forms of feeding that brings nutrition directly into digestive tract
eetarla feedings prefered over parenteral nutrition bc there ar many physiolgic benefits of keeping gut functioning such as improved immune status
tube feedings may be necessary bc unconsciousness, surgery, stroke, severe malnutrition, or extensive burns
usually not onger than 6 weeks - NG tube
longer than 4-6 weeks then esophostomy, gastrostomy, or jejunostomy
percutanesu endoscopic gaststomy tube (PEG)
placed at somtach if patient is not at risk for aspiration
esophagostomy tube might be placed at side of neck at level of cervical spine after head and neck surgery
percutaneosu endoscopic jejunostomy (JPEG)
wegithed feeding tube (from PEG insertion) passed into duodenum
indicated for pt who cant tolerate gastric feedings due to a history of reflux or aspiration or those who may gastric obstruction or function problems of stomach
sometimes there is direct tube placement at the jejunum
polymeric formulas
clients who are able to digest and absorb nutrients
(1-2 cal/ mL)
contains intact proteins, carbs, and fats
elemental or hydrolyzed formulas (1 cal/mL)
limited ability to digest or absorb nutrients
contains products of digestion of protein, carb, and fats, and lactose free
modular formulas
3.8-4 cal/mL
supplements to other formulas or for developing customized formulas for certian clients (such as those w extensive wound-healing needs)
use of modular ofrmuals have been decreasing due to development of high-rpteoin formulas
disease-specific formuals have been developed to be used in cute setting and for a short period (for renal failure, respiratory, fair, or liver failure)