Category Archives: Medical Studies

Medical Studies about Total Hip Replacement

Simultaneous vs Staged Bilateral THR Study 2015

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There were no clinically relevant differences in early postoperative mortality between simultaneous and staged bilateral surgery in healthy patients. Advanced age, RA, a high ASA class and male sex increased the risk of death within 90 days. There may be an issue with enhanced risk of implant revision in patients with simultaneous bilateral THA that needs to be explored further…

…THA is considered a safe procedure. The early postoperative mortality is … Read the Rest

Opioid use Beyond 3 Months After THR Associated with Greater Chance of Revision

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MedPage Today (03/16/16) Wayne Kuznar

http://www.medpagetoday.com/Orthopedics/Orthopedics/56755

Opioid use beyond the first 3 months following total hip replacement is associated with a greater likelihood of revision surgery later for older adults. Based on a retrospective study, patients who continued opioid analgesia in the second 90-day postoperative period were more than twice as likely to require revision 1 year after their operation as those who had stopped opioid therapy by that point. At 5 years postoperatively, meanwhile, … Read the Rest

Joint replacement surgery patients benefit from reduced opioid use

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March 6, 2016   Decreased opioid use prior to joint replacement surgery has been linked with improved patient satisfaction and outcomes, fewer complications and a reduced need for post-surgical opioids, according to two new studies.

They found nearly 59 percent of the patients (49,617) did not use opioids prior to surgery, while 41.4 percent did. The top three prescribed opioids were hydrocodone/acetaminophen, oxycodone/acetaminophen, and oxycodone.

In opioid users, the study showed that … Read the Rest

Anterior and Posterior Approach have Same Outcome at 6 Months Study 2016

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March 3, 2016 ORLANDO, Fla

The surgical approach to total hip replacement (THR)—either from the front of the body or the side/back (anterior versus posterior)—has no impact on outcomes six months after surgery, according to research presented today at the 2016 Annual Meeting of the American Academy of Orthopaedic Surgeons (AAOS).

Total hip replacement is extremely common with more than 300,000 surgeries performed in the U.S. each year. Traditionally, most THRs … Read the Rest

Outpatient THR Can Be Safe and Effective Medical Study 2016

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March 3, 2016  ORLANDO, Fla.

In patients with appropriate indications, total hip arthroplasty performed in an outpatient setting is safe and effective, according to study data presented here.

Researchers culled data from an institutional registry for 549 patients who underwent a mini-posterior approach for total hip arthroplasty at a freestanding independent ambulatory surgical center between 2008 and 2014.… Read the Rest

Steroid injections administered too close to hip replacement surgery may increase infection risk

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ORLANDO, Fla.March 2, 2016 /PRNewswire-USNewswire/ – Injections received in the months prior to total knee  (TKR) or total hip replacement (THR) surgery may increase the risk for infection and related complications, according to two studies—among the largest conducted on this topic—presented at the 2016 Annual Meeting of the American Academy of Orthopaedic Surgeons (AAOS)…

…but these drugs also suppress the body’s immune system. Patients with suppressed immune systems have higher risks … Read the Rest

Factors Linked with motor nerve palsy after THA by Dr. Su 2015

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…Interestingly, the day of the procedure — later in the week — was associated with a higher odds ratio,” Su said. “In terms of the timing of the day, 4 pm or later had a significantly higher odds ratio 4.7-times higher, and a history of spinal stenosis and lumbar spine disease were the strongest associated factors with an odds ratio of almost eight-times greater risk of nerve palsy…… Read the Rest

Psoriatic Arthritis Does Not Increase Risk of Poor THR Outcomes

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September 18, 2015 A study of patients undergoing total hip arthroplasty found that patients with psoriatic arthritis face no greater risk of poor outcomes than patients who get hip replacements because of osteoarthritis.

“Neither psoriatic arthritis nor cutaneous psoriasis in conjunction with osteoarthritis are risk factors for poor outcomes after total hip arthroplasty,” the study authors wrote in Arthritis & Rheumatology. “This is important information to convey to psoriatic arthritis

… Read the Rest

Mayo Clinic study finds THR Provides Better Life for Elderly

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ROCHESTER, Minn. — Results of a study of 65 patients who underwent total hip replacement surgery at Mayo Clinic show that the procedure can be done safely and effectively in patients 90 years and older, and provide them years of improved quality of life…

…Dr. O’Brien said the most important findings of the study are related to reduction of pain, restoration of function and patient satisfaction — all valued outcomes in the care of older … Read the Rest

Thigh size can Cause Dislocations in THRs

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Thigh size in obese people causes dislocations in THRs – A medical Study

Updated 10/20/2012 University of Iowa researchers have determined that thigh size in obese people is a reason their hip implants are more likely to fail…

…In a study, the team simulated hip dislocations as they occur in humans and determined that increased thigh girth creates hip instability in morbidly obese patients (those with a body mass index (BMI) greater than 40). The … Read the Rest

THR Surgery may Increase Risk of Stroke

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DALLAS, Nov. 7, 2012 – Risk of ischemic stroke increases by nearly 4.7-fold and hemorrhagic stroke 4.4-fold during the first two weeks after total hip replacement surgery, according to new research in the American Heart Association journal Stroke.

“This is the first study to evaluate the risk of stroke in patients undergoing total hip replacement compared to people in the general population who did not undergo the surgery…

…The findings show that patients who were … Read the Rest