NUR326 Exam 4 Flashcards
synovial/diathrodial joint
any joint that allows movement
subchrondral bone plate
under the cartilage
bone just underneath the cartilage
articular cartilage
covers the bone of the joint, provides a smooth, slippery surface that allows free movement of a joint
synovium
space between two articulating bones
synovial membrane that is the inner lining of the cavity
secretes synovial fluid that lubricates the joint surfaces and removes debris
joint capsule
surrounds the joint
unties articulating bones
three phases of bone healing
- inflammatory - hematoma forms
- reparative - fibrous cartilage and ossification
- remodeling - healing is complete
osteoarthritis
degeneration of joints caused by aging and stress
obesity and age increase risk
commonly effects: cervical spine, lumbar spine, hip, knee, hand, first metatarsal phalangeal joint, and spared joints
RF of osteoarthritis
aging, obesity, history of playing sports, history of trauma, heavy occupational work, misalignment
etiology of OA
stress is applied to joints, degeneration of cartilage, osteoblasts are activated which lead to bony spurs, narrows joint space, becomes a chronic disease
osteophytes
small bony projections that develop on the rim of the bone adjacent to cartilage loss
hallmark in OA**
OA symptoms
deep aching joint pain, relieved with rest
pain during cold weather
stiffness in the mornings
popping during motion
joint swelling
altered gait
limited ROM
herbeden’s nodes
swellings at the distal interphalangeal joint (OA)
bouchard’s nodes
proximal interphalangeal joint (OA)
pharmacotherapy for OA
focus on pain management and reduce swelling
mild to moderate pain: tylenol, topical capsaicin, NSAIDS
moderate to severe pain: NSAIDS, tylenol + tramadol, opioids, steroid injections
NSAID MOA
reduce the production of prostaglandin
causes an increase in ulcer development
contraindicated with a history of ulcers
cautions with NSAIDS
may effect kidney function
risk for GI bleed - contraindicated with ulcers, use with caution for those with a history of GI bleeds or current anticoag therapy
OA dietary supplements
glucosamine sulfate - maintains cartilage health
chondroitin sulfate - slows cartilage breakdown
degenerative disk disease (DDD)
degeneration of the lumbar and cervical spine
causes pain, motor weakness, and neuropathy
S/S of DDD
lumbar - pain in lower back that radiates to back of leg, pain in butt or thighs, pain worsens when sitting/bending/ lifting/twisting
numbness/tingling/ weakness in legs
foot drop
cervical - chronic neck pain that radiates to shoulders and down the arms, numbness or tingling in the arm or hand, weakness
commonalities between rheumatoid arthritis and systemic lupus erythematous
inflammatory conditions that result in pain, limitation of movement, destruction or erosion of joints, ligaments, or muscles
autoimmune orgin
systemic, not local
rheumatoid arthritis (RA)
systemic autoimmune disease that is type III hypersensitivity
inflammation of the synovium
RA etiology
not fully understood, genetic link, women 40-60, and tobacco use
RA pathogenesis
autoimmune attack against the synovial tissue
immune cells are activated and they produce rheumatic factor - attacks against the body, destroys cartilage
pannus
type of vascularized scar tissue, able to get nutrients but also contains inflammatory cells
causes bone erosion, bone cysts, and fissure development
in RA
CM of RA
early - vague
late - bilateral pain, stiffness, motion, limitation, inflammation
advanced - deformity and disability, joint subluxation
RA systemic involvement
fatigue, malaise
rheumatoid nodules, sjogren’s sydrome
systemic lupus erythematous (SLE)
autoimmune inflammatory disease that affects many organ systems, has acute flare ups, and is unpredictable
autoimmune attack against the body’s own DNA
two types of lupus
discoid - targets skin
systemic - targets internal organs
SLE predisposing factors
genetics, female, age 20-40, African American, environmental triggers, allergies to antibiotics, hormonal factors, and tobacco use
SLE pathogenesis
b-lymphocytes are hyperactive and productive autoantibodies
antinuclear antibody*
forms immune complexes
inflammatory response destroys the tissue
SLE CM
fatigue, photosensitivity, butterfly rash, fever, weight changes, unusual hair loss, periorbital edema
nephritis*
the more organs involved, the more CM and the worse the prognosis
SLE Flares
exacerbations and remissions
warning signs of flares: fatigue, pain, headache
prevention: recognize warning signs and avoid triggers
sjogren syndrome
autoimmune destruction of any moisture producing gland
lacrimal gland
salivary gland
methotrexate
first line therapy for SLE and RA
immunosuppressive
SE - GI, bone marrow suppression, shortened life expectancy
11 BBW
folic acid supplementation is necessary*
teratogenic, no alcohol
contact HCP with signs of infection
hydrochroroquine
SLE RA
antiinflammatory
slows progression when used with another DMARD
rare SE - retinopathy
difference in RA and SLE
RA - focus on joints
SLE - multisystem
gouty arthritis
urate crystals in the synovial fluid
acute painful inflammation
chronic tophaceous gout
advanced stage
tophi - white nodules composed of urate crystals
uric acid
waste product of purine metabolism
contains nitrogen, excreted in urine
sources: red meat, organ meat, seafood
predisposing factors of gout
male, genetics, diet, obesity, diuretic therapy and kidney insufficiency
pathogenesis of gouty arthritis
elevated uric acid levels, uric acid accumulates in body fluids, forms urate crystals, deposition in or around joints, inflammation, gouty arthritis
CM of gouty arthritis
intense pain, commonly in big toe, worst in early morning
inflammation
fever
malaise
complication of gouty arthritis
urate kidney stones
pharmacotherapy for gouty arthritis
acute - NSAIDS, corticosteroid therapy, colchicine
prophylactic - allopurinol, colchicine, probenecid
allopurinol
antigout agent
inhibits the production of uric acid
used for prophylaxis
SE - rash
interacts with hypoglycemic agents and warfarin
take with food or milk if it causes GI irritation
monitor urine uric acid and serum glucose
takes 2-6 weeks to improve
monitor PT/INR if on warfarin
colchicine
anti gout agent
inhibits leukocyte infiltration and disrupts cell division
for gout flares and prophylaxis
SE - GI (if this happens stop administration**, could be the first sign of toxicity)
contraindicated in renal disease
avoid grapefruit, alcohol, and B12 vitamins
many other drug interactions
probenecid
uricosuric agent
inhibits the reabsorption of uric acid in the kidneys
treats hyperuricemia with gout
SE - GI, dizziness, headache, kidney/liver impairment
many drug interactions
what is the relationship between bone mass, age, and sex?
women have later bone mass in early postmenopausal years
women don’t start with as much bone mass
women lose more bone mass than men
osteopenia vs osteoporosis
osteopenia - low bone mass
osteoporosis - porous bone
osteopenia
thinning of trabecular matrix of the bone before osteoporosis
osteoporosis
bone mineral density of 2.5 SD below peak bone mass
measured with DEXA scan
low bone mass, micro-architectural deterioration, increased bone fragility, susceptible to fracture
osteoporosis RF
age, female, history of fractures as an adult, family history, low body weight, smoking, alcoholism, steroid therapy and immune suppressive drugs
thin and small frame, lack of weight bearing exercises, lacking vitamin D and calcium, eating disorders, gastric bypass, lack of estrogen and testosterone, excess caffeine
FRAX
prediction tool for assessing individual risk of fracture
used to provide treatment guidelines
calculates a 10 year risk score of a hip fracture
osteoporosis patho
bone resorption from osteoclasts
bone formation from osteoblasts
failure to make new bone or increased resorption or BOTH
osteoporosis CM
early - none
late - fractures, pain, loss of height, stooped posture
3 most common fractures caused by osteoporosis
hip
wrist
vertebrae
hip fracture complications
death
high lifetime risk
requires hospitalization
mortality up to 40%
may cause them to need a caretaker
hip fx RF
age >65, female, hx osteoporosis or falls
clinical presentation of a hip fx
sudden onset of hip pain before or after a fall
inability to walk
severe groin pain
tenderness
externally rotated effected leg
shortened extremity