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90 Cards in this Set

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  • Back
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Functions of the Bones
-Form structure and provide support
-Protect vital organs from injury
-Store minerals
-Site for hematopoiesis
-Serves to move body parts by providing points of attachment for muscles
Bone Cells
-Osteoblasts
-Osteocytes
-Osteoclasts
Osteoblasts
cells that form bone
Osteocytes
-Cells that maintain bone matrix.
-Mature bone cells
Osteoclasts
-Cells that resorb bone.
-Responsible for bone modeling
Gerontological Considerations
-Many of the functional problems of the adult are related to changes of the musculoskeletal system
-Alterations may affect the older adult's ability to complete self-care tasks and pursue customary activities
-Effects of musculoskeletal changes may range from mild discomfort and decreased ability to perform activities of daily living to severe, chronic pain and immobility
-Risks for falls increases
Bone remodeling
-Removal of old bones by osteoclasts (resorption) and the deposition of new bone by osteoblasts
-Adult bones do not normally increase in size but instead undergo constant remodeling
- 1500 ml of calcium daily needed
Bone Remodeling Process
-Bone reabsorption and bone deposits occur
-Involves combined action of osteocytes, osteoclasts, osteoblasts
-Hormonal stimulus controlled by negative feedback mechanism that regulates bone calcium level
Hormone Regulation
-When blood calcium decreases, parathyroid hormone (PTH) released
-Osteoclast activity stimulated and bone reabsorption so calcium released from bone matrix
-Calcium levels rise and PTH release ends
-When blood calcium rises, secretion of calcitonin from thyroid gland, inhibits bone reabsorption
-Causes deposits of calcium salts in bone matrix
Classification of Bones by Type
-Long bones
-Short bones
-Flat bones
-Irregular bones
Long bones
arms, legs, fingers, toes
Short bones
wrist and ankle
Flat bones
skull, sternum, ribs
Irregular bones
vertebrae, scapulae, pelvic girdle
Soft Tissue Injury
-Sprain
-Strain
-Joint dislocation
-Subluxation
Sprain
-injury to ligaments and other soft tissue at a joint
Strain
-a musculotendenious injury which is excessive stretching of a muscle. leads to edema, swelling, pain, decrease in function and bruising
Joint dislocation
-loss of articulation where the joint ends in the bone capsule following tissue trauma. could be congenital. causes pain, limited motion, and the diagnosis test is an Xray
Subluxation
-partial separation or dislocation of joint surfaces
Nursing Care of Soft Tissue Injury
-Pain relief
-Correction of dislocation
-Prevention of complications
-Immobilization with sling for several weeks
-Rehabilitation
-Hip: Usually requires immediate reduction in emergency room to prevent necrosis to head of femur and sciatic and femoral nerve damage
Nursing Diagnosis of Soft Tissue Injury
-Acute Pain
-Impaired Physical Mobility
-Risk for Injury
Fractures
Disruptions in the continuity of bone as a result of trauma or disease
Types of Fractures
-Simple or Closed
-Compound or Open
-Complete Fracture
-Incomplete
-Impacted Fracture
-Comminuted
-Transverse
-Oblique
-Spiral
Simple or Closed Fracture
-does not cause a break in the skin
Compound or Open Fracture
-a fracture in which damage also involves the skin or mucous membranes
Grade 1=clean wound less than 1c long
Grade 2- larger wound without extensive tissue damage
Grade 3= highly extensive tissue damage, most severe
Complete Fracture
-involves a break across the entire cross-section of bone, and is displaced from its normal position.
Incomplete Fracture
-partial break, no break in skin (greenstick) also called Greenstick - one side of the bone may be broken and the other side bent
Impacted Fracture
-fracture of the bone fragment is driven into another bone fragment.
Comminuted Fracture
-the bone has splintered into several fragments
Transverse Fracture
- the break is straight across the bone shaft
Oblique Fracture
-occurs at an angle across the bone (less stable than a transverse fracture)
Spiral Fracture
-twist around the shaft of the bone
Signs and Symptoms of Fractures
-pain
-loss of limb function
-obvious deformity
-crepitus
-swelling and ecchymosis
-s/s shock
- x-ray evidence
Crepitus
Definition: a grating sound heard by rubbing bony fragments together or a grating sensation felt, also by rubbing bony fragments together
Emergency Care of Fracture
-Immobilization above and below deformity
-Splint to maintain normal anatomical alignment
-Prevent further dislocation or damage
-Maintenance of tissue perfusion
-Control bleeding with pressure dressing
-Assess pulses, movement, sensation
-Infection - open wounds should be covered
Healing of Fracture
-Age
-Physical condition of patient
-Type of fracture
-Uncomplicated fracture of arm or foot- 6-8 weeks
-Hip- 12-16 weeks
Reduce / Immobilize fracture
-closed reduction
-open reduction
-traction
Closed reduction
manual traction or manipulation
Open reduction
Operative procedure to achieve bone alignment - nails, wires, pins, prosthetic implants
Traction
Force applied in two directions to obtain alignment and to reduce muscle spasm
Medications for Fractures
-pain
-NSAIDS
-Stool softeners
-Antibiotics
-Anticoagulants
Treatment of Fractures
-external fixation
-internal fixation
-traction
-casting
External fixation
frame connected to pins inserted into long axis of bone
Internal fixation

*
(ORIF) reducing fracture and applying hardware (pins, nails, screws, plates) to hold bones in place
ORIF = Open Reduction Internal Fixation
Traction
Application of straightening or pulling force to maintain or return fractured bones in normal alignment; prevent muscle spasms
Casting
Rigid device applied to immobilize bones and promote healing
2 types of Tractions

*
-Skin Traction
-Skeletal Traction
Skin Trac: used to control muscle spasms and to immobilize an area b4 surgery: types: Bucks, Surgical Head Halter, Pelvic Belt (for back pain)
Skeletal traction: applied directly to the bone with metal pins and wires-used to treat fractures of the cervical spine, femur or tibia
Bucks traction: needs 2 people to put on - 5-10 lb wgts
For Patients Receiving Traction
-Check correct body alignment
-Check ropes in pulley
-Check weights hanging freely
-Skin Assessment
-Provide Pin Site Care
Casts (what it is made of)
-Plaster: 48 hours needed to dry
-Fiberglass: dries within one hour
Types of Casts
-short arm cast
-long arm cast
-body jacket cast
-single hip cast
-double hip spica cast
-long leg cast
-short leg cast
QUESTION: Identify patient/family teaching instructions for a client discharged home with a cast
-At the completion of the home care instruction, the patient or caregiver will be able to:
• Describe techniques to promote cast drying (eg, do not cover, leave exposed to circulating air; handle damp plaster cast with palms of hands and do not rest the cast on hard surfaces or sharp edges that can dent soft cast)
• Describe approaches to controlling swelling and pain (eg, elevate casted extremity to heart level, apply intermittent ice bag if prescribed, take analgesics as prescribed)
• Report pain uncontrolled by elevating the casted limb and by analgesics (may be an indicator of impaired tissue perfusion–compartment syndrome or pressure ulcer)
• Demonstrate ability to transfer (eg, from a bed to a chair)
• Use mobility aids safely
• Avoid excessive use of injured extremity; observe prescribed weight-bearing limits
• Manage minor irritations from cast (eg, for skin irritation from cast edge, pad rough edges with tape; to relieve itching, blow cool air from hair drier)
• Demonstrate exercises to promote circulation and minimize disuse syndrome
• State indicators of complications to report promptly to physician (eg, uncontrolled swelling and pain; cool, pale fingers or toes; paresthesia; paralysis; purulent drainage staining casts; signs of systemic infection; cast breaks)
• Describe care of extremity following cast removal (eg, skin care; gradual resumption of normal activities to protect limb from undue stresses; management of swelling)
Cast Care: DO NOT
-Do not get plaster cast wet
-Do not remove any padding
-Do not insert any foreign object inside cast
-Do not bear weight on new cast for 48 hours
-Do not cover cast with plastic for prolonged periods
Cast Care: DO

*
-Apply ice directly over fracture site for first 24 hours (avoid getting cast wet)
-Check with healthcare provider before getting fiberglass cast wet
-Dry cast thoroughly after exposure to water (blot dry; hair dryer at low setting)
-Elevate extremity above heart for first 24 hours
-Move joints above and below cast regularly
-Keep appointment to have cast and fracture checked
use Atarax for itching when wearing cast
Cast Signs to Report
-Increasing pain
-Swelling associated with and discoloration of toes or fingers
-Pain during movement
-Burning or tingling under cast
-Sores or foul odor under cast
Nursing Care: Fracture
-Pain relief measures
-Elevate
-Nutrition
-Prevent complications of immobility
Five P's
Pallor
Pain
Pulses
Parasthesia
Paralysis
Complications of Fractures
-Compartment syndrome
-Shock
-Fat embolism
-DVT
-Infection
-delayed union
-Nonunion
-Disseminated Intravascular Coagulopathy
-Avascular necrosis
Compartment Syndrome

*
an anatomic compartment in an area of the body encased by bone or fascia that contains muscles, nerves, and blood vessels. human body has 46-when the pressure within is greater than normal-The result of Vascular insufficiency and nerve compression from a too tight cast- must monitor circulation, motion and sensation of the affected extremety
3 types:
=Acute:sudden or severe decrease in bl. Flow in tissues distal to an area of injury that results in ischemic neucrosis. Pain occurs with passive ROM.
=Chronic: pain, aching, tightness in muscle group that is subject to stress or exercise.
=Crush: caused by massive external compression or crushing of a compartment-can lead to renal failure-
when the cast is too tight, elevate extremety to heart level, cut or release cast if not relieved in 1 hr, then surgery is required
Shock
-hypovolemic shock, resulting from hemorrage, trmt is to stabilize fracture to stop hemorraging, & to restore circulation
Fat embolism
-fat deposits in the circulation following fractures of the long bone so the emboli blocks the pulmonary or cerebral vessels. The onset of symptoms is rapid and occurs 24-72 hrs after surgery but can take up to 1 wk post surgery. s/s: hypoxia, tachycardia, tachypnea, resp. distress, crackles, wheezing, fever, resp. alkalosis into resp. acidosis. Xray will show snow storm filtrate that can lead to heart failure. Changes in mental status, delirium, agitation , coma. Mgmt: immobilize fracture immediately: infection can cause necrosis, sepsis, infection (fever, inflammation, elevated wbc, malaise, redness, tenderness)
DVT
-reduced skeletal muscle contractions and bed rest in pt with fractures of the lower extremities and pelvis are at high risk- In hip fractures this is the most common complication - Nursing Interventions are: encourage intake of fluids and ankle and foot exercises. Elastic compression stockings, etc assess at least every 4 hrs for signs of DVT, tenderness, warmth, redness and swelling
Infection
-In an open fracture there is a risk for osteomyelitis, tetanus, and gas gangrene. contaminated fractures are left unsutured and dressed with sterile gauze to permit edema and wound drainage.
Delayed Union
-when healing does not occur at a normal rate for the location and type of fracture. distraction of bone fragments, systemic or local infection, poor nutrition, or comorbiidity (ie. DM)-eventually heals
Nonunion
-results from failure of the ends of a fractured bone to unite
Disseminated Intravascular Coagulopathy (DIC)
-systemic disorder that results in widespread hemorrage. Unexpected bleeding after surgery
Nurse monitor for s/s of infection: tenderness, elevated temp, purilent drainage, etc. Trmt: antibiotics
Avascular necrosis
-bone loses blood supply and dies. s.s.: pain, limited movement, trmt: bone graph prostetic replacement.
Osteoarthritis (OA)/ Degenerative Joint Disease
-Most common of all forms of arthritis
-Loss of articular cartilage in articulating joints and hypertrophy of bones at articular margins
-affects more than 60 million adult Americans
Incidence of Osteoarthritis
-Males more often than females until age 55 when incidence twice as high in females
-Men more likely to have OA in hips
-Women in the hands
Risk Factors of OA
-Age
-May be inherited
-Excessive weight (hips and knees)
-Inactivity
-Strenuous, repetitive exercise (sports)
-Hormonal factors (decreased estrogen) in post menopausal women
Pathophysiology of OA
-Cartilage lining joints degenerates
-Loses tensile strength
-loss of cartilage results in bone thickening
-reduction in the ability to absorb energy in joint
Clinical Manifestations of OA
-onset gradual, insidious, slowly progressive
-pain and stiffness in one or both joints
-Deep pain aggravated by motion and relieved by rest
-pain may be referred to other places
-decreased range of motion
-bony growth which causes joint enlargement
Diagnostic Tests of OA
-History and physical examination
-Changes in x-rays
-Synovial fluid analysis
Medications of OA
-NSAIDS
-Celebrex / Vioxx?
-Steroid injection
Conservative Treatment of OA
-physical therapy
-rest of involved joint
-weight loss
-analgesic therapy
-anti-inflammatory therapy
Addtitional treatments of OA
-arthroscopy
-osteotomy
-joint arthroplasty
-nutritional supplements
-total joint replacement
-herbal therapy
-yoga
Total Hip Replacement
-the replacement of a severely damaged hip with an artificial joint. Nrsg Intvt: monitor for dislocation of the hip prosthesis, excessive wound drainage, thromboembolism, infection and heel pressure ulcer. also heterotopic ossification (formation of bone in the periprosthetic space), avascular necrosis and loosening of the prosthesis
Hip Fractures
-Common in Older Adults
-More than 200,000 hip fractures occur annually by age 80
-seen more frequently in females than men because of osteoporosis and low bone density
Pre-existing Medical Problems (hip fractures)
-Diabetes mellitus
-HBP
-cardiac decomposition
-Pulmonary disease
-Arthritis
-Surgery often delayed until medical conditions stabilized
Clinical Manifestations (hip fractures)
-external rotation
-muscle spasms
-shortening of the affected extremity
-severe pain
-tenderness in the region of the fracture site
Treatment (hip fractures)
-pain
-spasms
-pre-operative teaching
-over head trapeze bar
-ORIF
QUESTION: Identify strategies for reducing hip fractures in the elderly.
ANSWER:
-Calcium supplements
-Vitamin D supplements
-Estrogen replacement
-Planned interventions
Joint Replacement
A surgical procedure in which a mechanical device, designed to act as a joint, is used to replace diseased joint
Commonly Replaced joints
-hip
-knee
-shoulder
Principles (joint replacement)
-Prostheses may be ingrown or cemented
-Accurate fitting is essential
-Must be healthy bone stock for adequate healing
Benefits (joint replacement)
-Provides excellent pain relief in 85% to 90% of the clients who undergo the surgery
-Improved joint motion
-Improves emotional well-being
-Primary post operative problem is Infection
Clinical Manifestations (joint replacement)
-joint pathology
-arthritis
-fracture
-pain not relieved with medication
-poor range of motion in affected joint
Surgery (joint replacement)
-problems originate from functional disability
-most common orthopedic surgery performed
Nursing Diagnosis (joint replacement)
-Potential for infection related to
-Pain related to
-Potential for injury to affected limb related to
Nursing Interventions (joint replacement)
-Monitor incision site (bleeding, drainage, suture line, suction device, infection)
-Functioning of extremity - check circulation, sensation, movement of extremity distal to replacement
-Proper alignment of affected extremity
-Abductor appliance (hip replacement), CPM device
-Monitor I&O every shift; include suction drainage
-Encourage fluid intake
-Encourage self-care activities
Coordinate Rehabilitation (joint replacement)
-OOB ASAP
-Keep out of bed as much as possible
-Keep abductor pillow in place while in bed (hip replacement)
-Use elevated toilet seat and chairs with high seats (hip and knee replacements) prevents dislocation
-Do not flex hip more than 90 degrees
-Discharge planning (rehab)