Today’s Top Story

Study Compares Cost-effectiveness of Partial Versus Total Knee Replacement

When performed by an expert surgeon, partial knee replacement (PKR) may be as beneficial and more cost-effective compared to total knee replacement (TKR) in patients with medial compartment osteoarthritis of the knee, according to a randomized, controlled trial published online in The Lancet. Of 528 patients randomized to undergo PKR or TKR, 94 percent were available for a five-year follow-up survey. Five-year Oxford Knee Score did not significantly differ between the two groups. PKR was more cost-effective and less expensive than TKR, which was attributed to slightly better outcomes, decreased surgery costs, and less expensive follow-up health care.

Read the study…

 
 
 
 
In Other News

Study: Should the Spine Be Evaluated in Revision THA?

Assessing the functional position of the spine prior to revision total hip arthroplasty (rTHA) may decrease the risk of recurrent instability, according to a study published in the July issue of The Bone & Joint Journal. A total of 111 rTHA patients underwent surgery that included the use of the Hip-Spine Classification System (protocol group); this group was matched 1:1 to 111 patients who did not undergo the spine protocol (control group). Patients were followed for a mean 2.8 years. After two years, dislocation-free survival was 97 percent in the protocol group compared to 84 percent in the control group.

Read the abstract…

 
 
 
 
Study Identifies Predictors of Walking After Operative Lumbar Spinal Canal Stenosis Treatment

A prospective study published online in The Spine Journal evaluated predictors of six-minute walk distance (6MWD) in patients who underwent surgery for lumbar spinal canal stenosis (LSS). The researchers evaluated patient characteristics (sex, age, height, and body weight), pain (visual analog scale, low back pain, lower limb pain, and lower limb numbness), surgical factors (number of operation segments [1 or ≥ 2], surgery type [fusion or decompression], and minimum area of the dural sac), and objective physical function (6MWD and trunk muscle strength). A total of 78 patients were available for baseline and six-month evaluation. Overall, 6MWD improved significantly after six months (457.7 m) compared to baseline (275 m), as did trunk muscle strength and pain. The following factors were predictors of six-month 6MWD: age, body weight, number of operation segments, surgery type, preoperative trunk extensor strength, and preoperative 6MWD.

Read the abstract…

 
 
 
Study Assesses Patterns, Safety in Left-footed Driving After Right Foot Surgery

Patients who undergo right foot or ankle surgery may use their left foot while driving, according to a study published in the July issue of Foot & Ankle International. Patients who underwent surgery between January 2015 and December 2015 responded to a survey via email or telephone. A driving simulator was used to compare safety risks associated with left- versus right-footed driving in 20 volunteers. Of 96 patients who responded to the survey, 36 (37 percent) said they engaged in left-footed driving after surgery. In the driving simulation, patients were more likely to speed and hit other vehicles when driving with the right foot than the left; however, driving with the left foot compromised time to fully brake and fully release the throttle in response to vehicular hazards.

Read the abstract…

 
 
 
CMS Refreshes Medicaid and CHIP Data

The Centers for Medicare & Medicaid Services (CMS) announced that it refreshed the Medicaid and Children’s Health Insurance Program (CHIP) Scorecard data. The refresh allows for insight into the progress states have made in data reporting, notably regarding behavioral health. The Scorecard shows how Medicaid and CHIP are helping beneficiaries.

Read the CMS press release…

 
 
 
AAOS Now

Orthopaedic Surgeons Storm Capitol Hill

Each year, the Board of Councilors, Board of Specialty Societies, and other select AAOS members gather in Washington, D.C., as part of the National Orthopaedic Leadership Conference to learn more about current trends in healthcare policy and to make crucial visits to Capitol Hill. This year, approximately 350 orthopaedic surgeons participated in the event on June 6, resulting in 390 legislative office visits involving lawmakers from nearly every state.

Read more…

 
 
 
Your AAOS

Apply for Volunteer Opportunities

Consider applying for the following positions:

  • Education Assessments and Examinations Committee member position (adult reconstruction hip and knee)—applications are accepted until Aug. 2
  • Education Assessments and Examinations Committee member position (basic science)—applications are accepted until Aug. 2
  • Education Assessments and Examinations Committee member position (foot and ankle)—applications are accepted until Aug. 2
  • Education Assessments and Examinations Committee member position (shoulder and elbow)—applications are accepted until Aug. 2
  • Education Assessments and Examinations Committee member position (spine)—applications are accepted until Aug. 2
  • Education Assessments and Examinations Committee member position (sports medicine)—applications are accepted until Aug. 2

Learn more and submit applications…(member login required)

 

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