Clinical Orthopaedics and Related Research

Clinical Orthopaedics and Related Research Peer reviewed orthopaedic journal

Devoted to disseminating new and important orthopaedic knowledge, Clinical Orthopaedics and Related Research® is a leading peer-reviewed orthopaedic journal and a publication of The Association of Bone and Joint Surgeons®. CORR® brings readers the latest clinical and basic research and informed opinions that shape today's orthopaedic practice, thereby providing an opportunity to practice evidence-

based medicine. With contributions from leading clinicians and researchers around the world we aim to be the premier journal providing an international perspective advancing knowledge of the musculoskeletal system.

"The coronal plane alignment of the knee (CPAK) classification provides a standardized, simple, easy-to-apply, comprehen...
04/29/2026

"The coronal plane alignment of the knee (CPAK) classification provides a standardized, simple, easy-to-apply, comprehensive, and universal classification system for knees with and without arthritis and after TKA," write Sanghavi & Bhargava in the section of . "However, whether individualizing alignment strategies based on the CPAK classification improves outcomes remains to be seen."

Read their full review in "Classifications in Brief: Coronal Plane Alignment of the Knee (CPAK) Classification" here: https://ow.ly/uA1N50YS0Eb

📣 : "Do Published Orthopaedic RCTs Match Their Registered Protocols? A 6-year Analysis of Leading Orthopaedic Journals"...
04/29/2026

📣 : "Do Published Orthopaedic RCTs Match Their Registered Protocols? A 6-year Analysis of Leading Orthopaedic Journals" by Poursalehian et al.

Read it here: https://ow.ly/gq2950YQKjN

"When contextualized appropriately, it is clear that joint arthritis disproportionately limits the mobility of a large s...
04/28/2026

"When contextualized appropriately, it is clear that joint arthritis disproportionately limits the mobility of a large segment of Americans in a way that is demonstrably tied to the compounding effect of systemic racism," writes Kwadwo Owusu-Akyaw MD in his latest column in . "Being true stewards of musculoskeletal care requires involvement in the processes by which societal access is created... (it) require us, as surgeons, to weigh in on housing policy, community development, and income inequality."

Read "The Forward Movement: Amplifying Black Voices on Race and Orthopaedics—Look Upstream" here: https://ow.ly/lBlf50YRjzx

📣 : "How Should Hip Instability Be Clinically Diagnosed? Consensus Statements From a Scoping Review and an Internationa...
04/28/2026

📣 : "How Should Hip Instability Be Clinically Diagnosed? Consensus Statements From a Scoping Review and an International Multidisciplinary Delphi Study" by Karimijashni et al.

Read it here: https://ow.ly/n3ja50YQKbR

"While all subspecialties contribute to the problem of inappropriate antibiotic prescribing, surgeons appear to be parti...
04/27/2026

"While all subspecialties contribute to the problem of inappropriate antibiotic prescribing, surgeons appear to be particularly responsible," writes James Rickert MD in . "If we do not take steps to minimize harms to patients now, we will be endangering future generations and our ability to continue practicing surgical management in the most effective way possible."

Learn more in "On Patient Safety: What We Can Do to Mitigate Antibiotic Resistance" here: https://ow.ly/pT7550YQIzx

Dr. Terence Gioe—an orthopaedic surgeon, internationally known clinician-scientist, and beloved educator to at least two...
04/27/2026

Dr. Terence Gioe—an orthopaedic surgeon, internationally known clinician-scientist, and beloved educator to at least two generations of surgeons—joined as a senior editor 12 years ago. His research specialty focused largely, but not exclusively, on registry research, and he was a key player in setting up the American Joint Replacement Registry.

Here at CORR, his thoughtful and practical approaches helped our team of senior editors arrive at good, sensible philosophies, along with the necessary standards needed to implement them. We will miss his expertise when he moves on to his next important journey—that of retirement—in May.

Outside of work, Dr. Gioe is an avid reader of fiction, a jazz enthusiast, and a great athlete, being particularly fond of long-distance cycling and golf. We hope he finds plenty of opportunities to indulge in these hobbies during his next chapter. Please join us in wishing Dr. Gioe a fond farewell! ✨

🚩 Free to read until May 3: The choice of treatment for Stage III ONFH—including joint-preserving surgery, primary THA, ...
04/26/2026

🚩 Free to read until May 3: The choice of treatment for Stage III ONFH—including joint-preserving surgery, primary THA, or nonsurgical treatment followed by THA—depends on many factors. In this month's , Chen & Goodman review the current evidence to provide guidance and a 5-year forecast.

Read "CORR Synthesis: What Is the Evidence for Joint-saving Procedures in ARCO Stage III Osteonecrosis of the Femoral Head?" in here: https://ow.ly/6LMW50YPlSQ

"The orthopaedic residency match is famously competitive... Just as applicants in this scramble try to outdo one another...
04/25/2026

"The orthopaedic residency match is famously competitive... Just as applicants in this scramble try to outdo one another, programs engage in a similar arms race," writes Joseph Bernstein MD in his latest . "I propose a novel approach: Programs that seek to differentiate themselves should do so by actually being different. Specifically, programs should reject the current big-data model of resident evaluation that dominates the landscape today."

Read Dr. Bernstein's argument for a small-data approach in "Not the Last Word: The Best Medical Students Want Residency Programs That Mentor, Not Monitor; Teach, Not Track," featuring commentaries from Lori Jia MD and Scott E. Porter MD, MBA, here: https://ow.ly/QV2e50YPoWz

"By virtue of our position (on healthcare teams), many feel that physicians have leadership roles, which medical schools...
04/25/2026

"By virtue of our position (on healthcare teams), many feel that physicians have leadership roles, which medical schools and residency programs should be preparing them for," writes Paul Dougherty MD in his latest column. "Indeed, the ACGME milestones for such competencies tend to be described with leadership terms, but really, these skills describe how to be a functioning member of a medical staff and care for patients in a multidisciplinary team."

Read why he thinks residents need to learn how to be good followers first: https://ow.ly/Jze450YPoLs

🔓 : In , Olivia Jochl et al. found that older age, higher BMI, greater LCEA correction, ma*****na use, ni****ne use, a...
04/24/2026

🔓 : In , Olivia Jochl et al. found that older age, higher BMI, greater LCEA correction, ma*****na use, ni****ne use, and EDS or hypermobility were associated with increased risk of developing a stress fracture after PAO for symptomatic acetabular dysplasia, and those stress fractures were associated with lower functional recovery across several PROMs at the 1-year follow-up.

"Rather than serving as barriers to surgery, these factors can guide surgeon-patient discussions to provide personalized counseling and rehabilitation," the authors write.

"Because PAO surgery is not 'one size fits all,' and acetabular reorientation is tailored to each patient’s specific anatomy, ideally the rehabilitation protocol should also change based on each patient’s individual rate of bony healing, likelihood of nonunion, and risk for stress fracture," writes Bridget K. Ellsworth MD in a commentary.

Read "What Factors and Patient-reported Outcome Measures Are Associated With Stress Fracture After Periacetabular Osteotomy?" here: https://ow.ly/EiOA50YP9lr

Read the CORR Insights commentary here: https://ow.ly/QuuM50YP9lw



CC: Zachary A. Trotzky BS, Giulia Beltrame MD, Brian T. Muffly MD, Ernest L. Sink MD

📣 : "What Are the Biomechanical Features and Metrics for Native Hip Instability? Consensus Statements From a Scoping Re...
04/24/2026

📣 : "What Are the Biomechanical Features and Metrics for Native Hip Instability? Consensus Statements From a Scoping Review and an International Multidisciplinary Delphi Study" by Wagner et al.

Read it here: https://ow.ly/TyYC50YN0yq

After identifying 22 functional activities deemed important by patients recovering from THA or TKA, Karimijashni et al. ...
04/23/2026

After identifying 22 functional activities deemed important by patients recovering from THA or TKA, Karimijashni et al. found that no existing PROM adequately covers all of them, and 5 key activities are not covered at all:

🧼 washing lower body parts
👖 putting on clothes
👕 taking off clothes
🧰 carrying objects
🪣 placing objects on the floor

"Our findings showed that the relationship between the length and coverage of current PROMs is often inverse," the authors write. "Selecting... PROMs requires weighing comprehensiveness against burden, with the most efficient PROMs maximizing coverage of key activities while minimizing non-key ones."

"The take-home message is clear: Current PROMs incompletely reflect patient priorities, and their relevance diminishes as patients progress through different stages of recovery," writes Marcos R. Gonzalez MD in a commentary.

Read the article here: https://ow.ly/b4nz50YOLWb

Read the commentary here: https://ow.ly/jAOy50YOLWf

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