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Topic: Arthroplasty


In the News (Sun 19 May 13)

  
  Arthroplasty - Wikipedia, the free encyclopedia
Arthroplasty (literally "change of a joint") is a class of orthopaedic surgical procedure aimed at replacing a diseased or painful joint surface with something better.
Originally this often meant interpositional arthroplasty with interposition of some other tissue like skin, muscle or tendon to keep inflamed surfaces apart or excisional arthroplasty in which the joint surface and bone was removed leaving scar tissue to fill in the gap.
For the last 40 years the most successful and common form of arthroplasty is the surgical replacement of a damaged or diseased joint or joint component with a prosthetic joint or joint components.
en.wikipedia.org /wiki/Arthroplasty   (185 words)

  
 Arthroplasty - Definition, Purpose, Demographics, Description, Diagnosis/Preparation, Aftercare, Risks, Normal results
Arthroplasty is surgery performed to relieve pain and restore range of motion by realigning or reconstructing a dysfunctional joint.
Because the primary underlying condition in patients undergoing arthroplasty is osteoarthritis, a common cause for disability among older adults, the majority of patients undergoing this surgery fit the demographic profile for osteoarthritis.
Arthroplasty is performed under general (affecting the entire body) or regional (numbing a specific area of the body, such as spinal block) anesthesia in a hospital, by an orthopedic surgeon.
www.surgeryencyclopedia.com /A-Ce/Arthroplasty.html   (1906 words)

  
 Arthroplasty
Arthroplasty is the operation for construction of a new movable joint.
It is not applicable to every joint: in practice, its use is almost confined to the shoulder, the elbow, the hip, the knee, certain joints in the hand, and the metatarso-phalangeal joints in the foot.
The method is applicable to all the joints for which arthroplasty is practicable except the knee and ankle.
www.nassdb.org.uk /f2/Arthroplasty.htm   (585 words)

  
 Total Ankle Arthroplasty: Indications, Results and Biomechanical Ra   (Site not responding. Last check: 2007-10-13)
During the 1980s many authors concluded that total ankle arthroplasty was not warranted because of the generally poor long-term results and the high rate of complications.
In addition, a patient should be considered a candidate for a total ankle arthroplasty if he or she cannot tolerate prolonged periods of immobilization as would be necessary after an ankle arthrodesis.
The success of early ankle arthroplasty may be largely attributable to the patients’ decreased level of activity and associated low stress on the arthroplasty.
www.orthofootankle.com /neufeldTAR.cfm   (5485 words)

  
 Arthroplasty   (Site not responding. Last check: 2007-10-13)
Arthroplasty is surgery to relieve pain and restore range of motion by realigning or reconstructing a joint.
The goal of arthroplasty is to restore the function of a stiffened joint and relieve pain.
Arthroplasty is performed under general or regional anesthesia in a hospital, by an orthopedic surgeon.
www.healthatoz.com /healthatoz/Atoz/ency/arthroplasty.jsp   (653 words)

  
 eMedicine - Unicompartmental Knee Arthroplasty : Article by Nanne P Kort, MD   (Site not responding. Last check: 2007-10-13)
Unicompartmental knee arthroplasty is controversial in the presence of patellofemoral joint arthritis, obesity, youth and high activity level, chondrocalcinosis, and crystalline arthropathy.
The long-term survival rate for unicompartmental knee arthroplasty is better than that for HTO and might be as good as the long-term survival rate for a total knee arthroplasty.
The medial or lateral proximal tibia plateau resection of the unicompartmental knee arthroplasty is usually at the same level as the proximal tibia plateau resection for total knee arthroplasty.
www.emedicine.com /orthoped/topic631.htm   (4617 words)

  
 Patellofemoral Arthroplasty: Current Concepts pg. 1--5
Patellofemoral arthroplasty should be considered in the treatment algorithm for patients with patellofemoral arthrosis or severe recalcitrant chondromalacia.
In one study comparing total knee arthroplasty for isolated patellofemoral arthrosis to that for tricompartmental arthrosis, Knee Society Clinical Scores, bipedal stair climbing capacity, and ability to rise from a seated position were all significantly better in the former group [16].
Patellofemoral arthroplasty can be an effective method of treatment of primary osteoarthrosis or post-traumatic arthrosis limited to the patellofemoral joint in patients younger than age 55 who have normal tibiofemoral alignment without maltracking or subluxation.
www.uphs.upenn.edu /ortho/oj/2002/html/oj15sp02p1.html   (2216 words)

  
 Total Ankle Arthroplasty
He underwent total ankle arthroplasty and syndesmotic fusion, in combination with a Hoke Achilles tendon lengthening and open repair of the medial malleolar stress fracture (to prevent a complete fracture from developing) on September 11, 2001.
There is no defined age where total ankle arthroplasty is considered appropriate for an individual, though most surgeons use the age of 50 years as a benchmark for implantation.
However, there are many circumstances (ie, severe rheumatoid disease) where ankle arthroplasty may be appropriate in a younger patient, though it is incumbent upon the surgeon to educate the individual about potential future surgeries.
www.orthopedictechreview.com /issues/marapr03/case.htm   (2041 words)

  
 Minimally Invasive Total Hip Arthroplasty
Standard hip arthroplasty is typically performed using a posterolateral or anterolateral approach, with an incision of 25–30 cm in length.
While the published literature refers to the active marketing of minimally invasive hip arthroplasty and the specialized instruments that are a component of this approach, the medical literature published in peer-reviewed journals is relatively sparse, and consists of case series comparing the short-term outcomes of minimally invasive hip arthroplasty to concurrent or historical controls.
Minimally invasive total hip arthroplasty is substantially equivalent to an open total hip arthroplasty and has evolved into a standard of care by some orthopedists for carefully selected patients with degenerative hip joints.
www.regence.com /trgmedpol/surgery/sur125.html   (1218 words)

  
 Motion - Mechanics of Glenohumeral Arthroplasty.
Glenohumeral arthroplasty provides the opportunity to employ all of our understanding of glenohumeral mechanics: many of the important variables are under the surgeon's control with this procedure.
Shoulder arthroplasty tends to further tighten the capsule because the degenerated humeral head is replaced by a larger one, and because a glenoid component is added to the surface of the glenoid bone, consuming more space than the degenerated cartilage it replaces.
In arthroplasty surgery, the amount of stuffing can be estimated by adding the thickness of the glenoid component to the difference between the amount of intraarticular humerus replaced and the amount of humerus resected.
www.orthop.washington.edu /uw/glenohumeral/tabID__3376/ItemID__233/Articles/Default.aspx   (1747 words)

  
 Arthroplasty of the Shoulder - Wheeless' Textbook of Orthopaedics
The effect of articular conformity and the size of the humeral head component on laxity and motion after glenohumeral arthroplasty.
Copeland Surface Replacement Arthroplasty of the Shoulder in Rheumatoid Arthritis.
A Comparison of Pain, Strength, Range of Motion, and Functional Outcomes After Hemiarthroplasty and Total Shoulder Arthroplasty in Patients with Osteoarthritis of the Shoulder.
wheelessonline.com /ortho/arthroplasty_of_the_shoulder   (998 words)

  
 Tests & Procedures - Arthroplasty : MCG Health System
Arthroplasty is a surgical procedure to repair or remove and replace an arthritic or damaged joint.
People who have arthroplasty generally have substantial improvement in their pain, ability to perform activities, and health-related quality of life.
Arthroplasty may be performed while you are asleep under general anesthesia, or while you are awake under spinal or regional anesthesia.
www.mcghealth.org /greystone/t_and_p/ortho/TP030.html   (1720 words)

  
 Surface Replacement Arthroplasty of the Shoulder
However, when a hemi-arthroplasty is done the glenoid is not ignored, it is drilled and either a fascial interposition arthroplasty made or just drilling of the osteochondral hard bone to encourage fibrocartilagenous secondary formation.
The advantages of the latter approach are smaller and neater scar, shorter post-operative recovery, easier access via rotator interval to the glenoid and better access to the posterior and superior rotator cuff for reconstruction.
It also allows for excision arthroplasty of the acromio-clavicular joint and acromioplasty if these were indicated.
www.readingshoulderunit.com /csra1/CSRA.htm   (4691 words)

  
 Unicondylar Knee Arthroplasty
However, advances in unicondylar knee arthroplasty and in the implant have made the procedure a viable option for many patients with unicompartmental arthritis.
However, traditional unicondylar arthroplasty has been reported to have a success rate of 90 percent at 10 years out for this select group of patients.
Unicondylar knee arthroplasty can not prevent arthritis from developing in other compartments, just as filling one tooth does not guarantee that other teeth will remain healthy.
physicianlink.uams.edu /casestudies/CSKnee.asp   (880 words)

  
 Arthroplasty   (Site not responding. Last check: 2007-10-13)
Known as “joint replacement," arthroplasty involves using surgery to improve the function of a joint (usually the hip or knee).
It is most often used to treat pain and stiffness caused by conditions such as osteoarthritis, rheumatoid arthritis or aseptic necrosis.
UHN’s arthroplasty service is one of the leading programs of its kind in Canada.
www.uhn.ca /programs/mha/arthroplasty.asp   (278 words)

  
 Arthroplasty for rheumatoid arthritis
Arthroplasty is surgery done to reconstruct or replace a diseased joint.
For rheumatoid arthritis, arthroplasty is done to restore function to a joint or correct a deformity.
Arthroplasty can relieve pain and restore enough function in a joint to allow a person to do normal daily activities.
www.webmd.com /hw/health_guide_atoz/aa18729.asp   (300 words)

  
 Computer Assisted Surgery in Total Knee Arthroplasty.   (Site not responding. Last check: 2007-10-13)
Total knee arthroplasty is a surgical treatment for severe knee joint degeneration or deformity.
Patients are likely to have high expectations from total knee arthroplasty for eliminating knee pain and in the longevity of the procedure without the expectation for a subsequent revision.
This allows physiologic muscle and ligament balance which is an important factor in prolonging the prosthetic lifespan and reducing the chances for an early revision arthroplasty.
www.vejthani.com /html/eng/clinic_en/cas_info.htm   (1273 words)

  
 Total Knee Replacement (CBM 2003-2)
Factors influencing choice of implants in total hip arthroplasty and total knee arthroplasty: perspectives of surgeons and patients.
Total knee arthroplasty for osteoarthrosis in patients who have Paget disease of bone at the knee.
Arthroplasty of the hip and knee in juvenile rheumatoid arthritis.
www.nlm.nih.gov /pubs/cbm/tkr.html   (7593 words)

  
 Total knee arthroplasty following proximal tibial osteotomy: risk factors for failure.
The outcome of total knee arthroplasty in patients who have had a proximal tibial osteotomy, compared with that of routine primary total knee arthroplasty, remains controversial.
The purpose of the present study was to evaluate the long-term clinical and radiographic outcome of total knee arthroplasty in patients who had undergone a previous proximal tibial osteotomy and to identify the risk factors that may result in an inferior outcome.
The average interval between the osteotomy and the total knee arthroplasty was 8.6 years.
perso.wanadoo.fr /chirurgie/text/ptg_osteotomie.html   (410 words)

  
 Total Hip Arthroplasty - Wheeless' Textbook of Orthopaedics
A comparison of the perioperative morbidity in total joint arthroplasty in the obese and nonobese patient.
The outcome of Charnley total hip arthroplasty with cement after a minimum twenty-year follow-up.
Long-term results of Charnley low-friction arthroplasty in young patients.
www.wheelessonline.com /ortho/total_hip_arthroplasty   (172 words)

  
 The Norwegian Arthroplasty Register
The main objective of the register is to maintain and possibly improve the quality of joint arthroplasty.
The specific aims of the register are to describe the epidemiology of joint arthroplasty and to identify factors associated with an increased risk for revision.
Together with other registers in Bergen, Norway, the Norwegian Arthroplasty Register forms a part of the organization LOCUS (Locus for Registry-Based Epidemiology) established by the University of Bergen in Norway.
www.haukeland.no /nrl   (1409 words)

  
 News - Arthroplasty Underutilised In Shoulder Osteoarthritis
Arthroplasty is underutilised as treatment for shoulder osteoarthritis, French researchers say.
Kaplan-Meier analysis was used to develop the need for arthroplasty over time, while Cox analysis was used to analyse potential factors that predisposed patients to arthroplasty.
Arthroplasty was needed in 5% of patients 5 years following symptom onset and in 13% of patients at 10 years.
www.docguide.com /news/content.nsf/news/8525697700573E1885256CFF00349211?OpenDocument&id=961CDD58B2967A7C852569E40007966F&c=Osteoarthritis&count=10   (362 words)

  
 Open-joint arthroplasty for TM disorders - Quest Diagnostics Patient Health Library
Open-joint arthroplasty is surgery to repair, reposition, replace, or remove parts in a joint.
When used to treat temporomandibular (TM) joint disorder, this usually involves the articular disc that cushions the jaw joint.
During open-joint arthroplasty of the jaw, an incision is made in the skin to expose the jaw joint.
www.questdiagnostics.com /kbase/topic/detail/surgical/hw209411/detail.htm   (450 words)

  
 Minimally Invasive Total Knee Replacement
Total knee replacement (arthroplasty) is a surgery that is performed for severe degeneration of the knee joint.
Minimally invasive total knee arthroplasty is one method of performing a knee replacement.
Minimally invasive total knee arthroplasty is a different way of performing the surgery.
orthoinfo.aaos.org /fact/thr_report.cfm?Thread_ID=472&topcategory=Knee   (815 words)

  
 Disability in adults with hip and knee arthroplasty: a French national community based survey -- Boutron et al. 62 (8): ...
The prevalence of arthroplasty is estimated at 1.2%.
of hip and knee arthroplasty is estimated at 1.2% (95% CI 1.0
The long-term results of low-friction arthroplasty of the hip performed as a primary intervention.
ard.bmjjournals.com /cgi/content/full/62/8/748   (3420 words)

  
 [No title]
Replacement arthroplasty in the weight-bearing shoulder of paraplegic patients.
We review the early results of shoulder arthroplasty in the weight-bearing shoulder of long-term paraplegic patients.
Five paraplegic, female patients who had undergone shoulder arthroplasty were analyzed.
www.chez.com /orthopedix/text/ars_paraplegia.html   (376 words)

  
 Journal of Bone and Joint Surgery: Unicompartmental knee arthroplasty: 2- TO 12-YEAR RESULTS IN A COMMUNITY HOSPITAL
We report the outcome of 135 knees with anteromedial osteoarthritis in which the Oxford meniscal-bearing unicompartmental arthroplasty was inserted in a district general hospital by a single surgeon.
The advantages of unicompartmental arthroplasty over total knee replacement are preservation of bone stock, less invasive surgery, minimal blood loss, faster recovery, better range of movement and more physiological function.2 It is also more cost-effective than total knee replacement.3
A study from the Swedish Knee Arthroplasty Register reviewing 699 Oxford knee replacements cast doubt as to whether similar results could be achieved in other units.5 Svard and Price6 in 2001 reported a cumulative rate of survival of 95% at ten years in a non-teaching hospital.
www.findarticles.com /p/articles/mi_qa3767/is_200409/ai_n9416361   (478 words)

  
 Scottish Arthroplasty Project
To prevent the ends of the bones fusing after the operation, a large gap may be created between them (gap or excision arthroplasty), a barrier of artificial material may be inserted (interposition arthroplasty), or one or both of the bone ends may be replaced by a prosthesis of metal or plastic (replacement arthroplasty).
The most widely used definition of clinical governance is the following: ‘A framework through which NHS organisations are accountable for continually improving the quality of their services and safeguarding high standards of care by creating an environment in which excellence in clinical care will flourish.' (Scally and Donaldson, 1998).
Within the context of the arthroplasty project, this means using the arthroplasty data to hold NHS organisations and orthopaedic surgeons accountable for the quality of care that they provide for arthroplasty patients, and to continually improve the quality of that care.
www.show.scot.nhs.uk /arthro/Glossary/Main.htm   (420 words)

  
 News - Body Temperature Changes after Total Hip Arthroplasty Potential Indicator of Post-Operative Complications
Patients undergoing total hip arthroplasty reach a maximum average body temperature the first day after surgery that gradually decreases by the fifth post-operative day, according to a recent Australian study.
However, a clinical definition of the "normal" body temperature changes experienced after total hip arthroplasty is lacking.
Data from 98 total hip arthroplasty procedures comprised of patients who were discharged without complications were included in the study.
www.docguide.com /news/content.nsf/news/8525697700573E1885256D500033B5B7   (521 words)

  
 Unicondylar Knee Arthroplasty
In terms of outcomes, studies have shown that patients treated with unicondylar knee arthroplasties have more functionality and greater range of motion than patients treated with total knee arthroplasties.
Lastly, it is possible that later in life an active or relatively young patient could wear out the initial knee replacement, thus requiring a second knee replacement, known as a revision.
This arthroplasty also offers hope for those who have debilitating knee pain but who have been told they are too young for a total knee replacement.
www.aori.org /uniknee.htm   (900 words)

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