Endocrine - Diabetic complications Flashcards
Four counter-regulatory hormones that increase glucose? When do these increase?
- Glucagon
- Growth hormone
- Epinephrine
- Cortisol
- Increase during uncontrolled diabetes and stress
*______ -Hyperglycemia inappropriately activates this enzyme in certain tissues. What does things does this contribute too?
- Protein Kinase C (PKC)
* Microvascular, macrovascular, and neurological complications
_____Pathway-
Glucose is converted to _____-> _____; with hyperglycemia there is an accumulation these, which causes an increase in _____ which attracts ____ and leads to _____.
- Polyol Pathway
- Sorbitol ->Fuctose
- Increase in intracellular osmotic pressure
- Attracts fluid
- Leade to tissue damage
Persistent hyperglycemia leads to ________ of glucose to collagen and protein in blood vessel walls and interstitial tissue.
Known as______.
- IRREVERSIBLE BINDING
* Advanced Glycosylation End-products (AGEs )
4 common causes of hypoglycemia
- Exercise
- Deficient food intake or absorption
- Medication - insulin excess/oral diabetics
- Alcohol
Distal Symmetric Polyneuropathy aka _____ is _____.
*Sensory alterations: Paresthesias- _______. Starts at ____ moves up _____
Dysthesias- _________
Anesthesia- _______
*Motor alterations: ____ r/t intrinsic muscles
- Peripheral Neuorpathy
- Distal
- Tingling, burning, numbing- starts at toes and moves up legs
- Stinging/stabbing pain
- Loss of sensation
- Foot deformities
loss of warning signs of hypoglycemia
Defective counter-regulation (Autonomic neuropathy)
Focal neuropathy - Sudden diplopia, ptosis, eye pain
Cranial Nerve Palsies 3 & 6
pain, asymmetric weakness, wasting of iliopsoas, quadriceps, adductor muscles
Amyotrophy
____Cream is a ____ inhibitor used for ____?
- Capscasin
- Substance P
- DPN
3 classes of Meds used to treat Diabetic Neuropathy? 4 examples
TCA, Anticonvulsants, SNRI,
- TCA - amitriptyline
- Anticonvulsants - Gabapentin, Pregabalin
- SNRI - Duloxetine
Diabetic Microvascular disease results in Hypoxia and ischemia of various organs, especially the ____ and ____.
- Retina
* Kidney
Retinopathy - retinal ____, RBC _____
*Retinal ischemia
*RBC aggregation
*
neovascularization and fibrosis in retina and optic disc, traction may cause retinal detachment, hemorrhage in vitreous humor, etc. what stage of retinopathy is this?
Proliferative
Treatmetns for diabetic retinopathy?
Laser coagulation, vitrectomy