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The DUALITY Trial.
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The Pulse  ·  OrthoEvidence

The Pulse

Vol. 4 · Issue 30 · 6 August 2026


Good Morning.

Whenever an orthopaedic trial gets published in the Lancet, you know there's been a major finding in the field.


This time, it's around femoral neck fractures. And the recent evidence suggesting dual mobility cups might be best option we have.

In today's edition:

•  Major orthopaedic trial in the Lancet

•  Latest FDA approved ortho innovations

•  Cost-effectiveness of humeral shaft fracture treatments

TRAUMA

A new standard in displaced femoral neck fracture treatment

1,600 patient international RCT finds substantial benefits with dual mobility total hip replacements.

Total hip replacement (THR) is a well-established treatment for displaced femoral neck fractures. But its not without its risks and limitations: specifically, dislocation. 


The standard cup used in THR uses a small ball and socket design, which contributes to the etiology of dislocations. Could a dual mobility cup design be the solution? 


The DUALITY Trial, a 1,600 person large international RCT aimed to find out.


The results were emphatic:


73% reduction in risk of dislocation.

55% reduction in risk of surgical complications.

No differences in infection risk or quality of life outcomes.


The evidence in support of dual mobility THR is now substantial.

Full Analysis →

NEWS

New companies with new devices

Three new orthopaedic companies seek FDA clearance for innovations in spine surgery, soft tissue fixation and structural implants.

We all know the major orthopaedic companies -- Stryker, Zimmer Biomet, Medtronic -- focus heavily in innovation. 


But there are several new start-ups developing next-generation products that could substantially change practice.


Lumbar decompression devices, next-generation bone sutures, and cervical implants are just some of the new technologies coming down the pipeline.


Sourced from BONEZONE | Julie A. Vetalice

Read the Article →

OE PODCAST

The FISH Trial

In athletes, we focus a lot on getting injured players back on the pitch -- even if it requires surgery, and even if it costs a little more.


But that type of reasoning is often not applied to the average humeral shaft fracture patient.


In this episode of the OrthoJoe podcast, Mo & Marc sit down with Dr Bradley Petrisor, surgeon and professor at McMaster University, about a recent cost-effectiveness analyses which found that surgery can accelerate recovery, return to work, and early function, making it more cost-effective from a societal perspective.

Watch Now →

More Top Research

Chilling The Nerve, Easing The Pain?: An RCT Evaluating Surgeon-Administered Bedside Percutaneous Cryoneurolysis for Rib Fracture Pain — In adults with traumatic fractures, does surgeon-administered, ultrasound-guided bedside percutaneous cryoneurolysis added to standard multimodal pain management compared with standard care alone reduce pain and opioid use?

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*Lancet* Patellar Resurfacing in Total Knee Replacement: 20-Year Clinical and Economic Results of a Large Multicentre RCT —In adults undergoing primary TKR, does patellar resurfacing, compared with no patellar resurfacing, improve knee function, quality of life, reoperation rates, and cost-effectiveness over 20 years?

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Copenhagen Achilles Tendon Rupture Treatment Algorithm (CARTA) for Individualised Treatment of Acute Achilles Tendon Rupture — In adults with acute Achilles tendon rupture, does individualized treatment guided by the Copenhagen Achilles tendon Rupture Treatment Algorithm, compared with routine non-operative or operative treatment?

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