Increased Hip Stresses Resulting From a Cam Deformity and Decreased Femoral Neck-Shaft Angle During Level Walking.
CONCLUSIONS: Our study suggests that the hips of individuals with a cam morphology and varus femoral neck angle may be subjected to higher mechanical stresses than those with a normal femoral neck angle. CLINICAL RELEVANCE: Individuals with a cam morphology and decreased femoral neck-shaft angle are likely to experience severe hip stresses. Although asymptomatic participants with cam morphology had elevated stresses, a higher femoral neck-shaft angle was associated with lower stresses. Future research should examine larger amplitudes of motion to assess adverse subchondral bone stresses. PMID: 27580734 [PubMed - ...
Source: Clinical Orthopaedics and Related Research - August 31, 2016 Category: Orthopaedics Authors: Ng KC, Mantovani G, Lamontagne M, Labrosse MR, Beaulé PE Tags: Clin Orthop Relat Res Source Type: research

What MRI Findings Predict Failure 10 Years After Surgery for Femoroacetabular Impingement?
Abstract BACKGROUND: Magnetic resonance arthrogram (MRA) with radial cuts is presently the best available preoperative imaging study to evaluate chondrolabral lesions in the setting of femoroacetabular impingement (FAI). Existing followup studies for surgical treatment of FAI have evaluated predictors of treatment failure based on preoperative clinical examination, intraoperative findings, and conventional radiography. However, to our knowledge, no study has examined whether any preoperative findings on MRA images might be associated with failure of surgical treatment of FAI in the long term. QUESTIONS/PURPOS...
Source: Clinical Orthopaedics and Related Research - August 31, 2016 Category: Orthopaedics Authors: Hanke MS, Steppacher SD, Anwander H, Werlen S, Siebenrock KA, Tannast M Tags: Clin Orthop Relat Res Source Type: research

Letter to the Editor: Editorial: How the Words We Use Affect the Care We Deliver.
PMID: 27577063 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 30, 2016 Category: Orthopaedics Authors: Kagan A Tags: Clin Orthop Relat Res Source Type: research

CORR Insights( ®): Satisfying Results of Primary Hip Arthroplasty in Patients with Hip Dysplasia at a Mean Followup of 20 Years.
CORR Insights(®): Satisfying Results of Primary Hip Arthroplasty in Patients with Hip Dysplasia at a Mean Followup of 20 Years. Clin Orthop Relat Res. 2016 Aug 30; Authors: Nizard RS PMID: 27577064 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 30, 2016 Category: Orthopaedics Authors: Nizard RS Tags: Clin Orthop Relat Res Source Type: research

What Are the Risk Factors for Dislocation of Hip Bipolar Hemiarthroplasty Through the Anterolateral Approach? A Nested Case-control Study.
CONCLUSIONS: After the anterolateral approach for treatment of femoral neck fracture using bipolar hemiarthroplasty, 6% of hips dislocated and 0.9% experienced dissociation. Cognitive dysfunction and discrepancy of offset were independent risk factors associated with an increased risk of prosthetic dislocation. The small cup without a safety ring may be the risk factor of dissociation. Discrepancy of offset should be avoided during the operation by performing an accurate femoral osteotomy and choosing an adequate femoral stem neck length. For patients with cognitive dysfunction and a small cup, suturing the joint capsule d...
Source: Clinical Orthopaedics and Related Research - August 30, 2016 Category: Orthopaedics Authors: Li L, Ren J, Liu J, Wang H, Sang Q, Liu Z, Sun T Tags: Clin Orthop Relat Res Source Type: research

Editorial: CORR's New Peer-Reviewer Tool-Useful for More Than Peer Reviews.
PMID: 27577066 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 30, 2016 Category: Orthopaedics Authors: Leopold SS Tags: Clin Orthop Relat Res Source Type: research

Does Patella Tendon Tenodesis Improve Tibial Tubercle Distalization in Treating Patella Alta? A Computational Study.
Abstract BACKGROUND: Patellofemoral malalignment associated with patella alta may cause pain and arthritis; because of this, the condition sometimes is treated surgically. Two common procedures are tibial tubercle distalization with or without patellar tendon tenodesis. However, the biomechanical consequences of these interventions for patella alta are not clearly understood. QUESTIONS/PURPOSES: We evaluated changes in patellofemoral joint contact mechanics after tibial tubercle distalization and tibial tubercle distalization combined with patella tendon tenodesis. Specifically, we asked: (1) Are there biomec...
Source: Clinical Orthopaedics and Related Research - August 30, 2016 Category: Orthopaedics Authors: Yin L, Liao TC, Yang L, Powers CM Tags: Clin Orthop Relat Res Source Type: research

CORR Insights( ®): Corticosteroid Injections Give Small and Transient Pain Relief in Rotator Cuff Tendinosis: A Meta-analysis.
CORR Insights(®): Corticosteroid Injections Give Small and Transient Pain Relief in Rotator Cuff Tendinosis: A Meta-analysis. Clin Orthop Relat Res. 2016 Aug 29; Authors: Gelber JD PMID: 27572298 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 29, 2016 Category: Orthopaedics Authors: Gelber JD Tags: Clin Orthop Relat Res Source Type: research

CORR Insights( ®): One-stage Revision With Catheter Infusion of Intraarticular Antibiotics Successfully Treats Infected THA.
CORR Insights(®): One-stage Revision With Catheter Infusion of Intraarticular Antibiotics Successfully Treats Infected THA. Clin Orthop Relat Res. 2016 Aug 29; Authors: Chen AF PMID: 27572299 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 29, 2016 Category: Orthopaedics Authors: Chen AF Tags: Clin Orthop Relat Res Source Type: research

Pearls: Snakes in the Grass and Other Surgical Gems.
PMID: 27562786 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 25, 2016 Category: Orthopaedics Authors: Ladd AL Tags: Clin Orthop Relat Res Source Type: research

Surgical Risks and Costs of Care are Greater in Patients Who Are Super Obese and Undergoing THA.
Abstract BACKGROUND: Patients with morbid obesity, defined as a BMI greater than 40 kg/m(2), and super obesity, defined as a BMI greater than 50 kg/m(2), increasingly present for total hip replacement. There is disagreement in the literature whether these individuals have greater surgical risks and costs for the episode of care, and the magnitude of those risks and costs. There also is no established threshold for obesity as defined by BMI in identifying increased complications, risks, and costs of care. Until recently, analysis of higher BMI data was limited to small cohorts from hospital-based data banks, based ...
Source: Clinical Orthopaedics and Related Research - August 25, 2016 Category: Orthopaedics Authors: Meller MM, Toossi N, Gonzalez MH, Son MS, Lau EC, Johanson N Tags: Clin Orthop Relat Res Source Type: research

CORR Insights( ®): Hips With Protrusio Acetabuli Are at Increased Risk for Failure After Femoroacetabular Impingement Surgery: A 10-year Followup.
CORR Insights(®): Hips With Protrusio Acetabuli Are at Increased Risk for Failure After Femoroacetabular Impingement Surgery: A 10-year Followup. Clin Orthop Relat Res. 2016 Aug 25; Authors: Zaltz I PMID: 27562788 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 25, 2016 Category: Orthopaedics Authors: Zaltz I Tags: Clin Orthop Relat Res Source Type: research

Letter to the Editor: Editor's Spotlight/Take 5: Physicians' Attire Influences Patients' Perceptions in the Urban Outpatient Orthopaedic Surgery Setting.
PMID: 27562789 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 25, 2016 Category: Orthopaedics Authors: Healy WL Tags: Clin Orthop Relat Res Source Type: research

ArtiFacts: Jean Louis Petit's Screw Tourniquet.
PMID: 27562790 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 25, 2016 Category: Orthopaedics Authors: Hawk AJ Tags: Clin Orthop Relat Res Source Type: research

CORR Insights ( ®): Is Hepatitis C Infection Associated With a Higher Risk of Complications After Total Shoulder Arthroplasty?
CORR Insights (®): Is Hepatitis C Infection Associated With a Higher Risk of Complications After Total Shoulder Arthroplasty? Clin Orthop Relat Res. 2016 Aug 24; Authors: Warme WJ PMID: 27557831 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 24, 2016 Category: Orthopaedics Authors: Warme WJ Tags: Clin Orthop Relat Res Source Type: research

Do Bone Graft and Cracking of the Sclerotic Cavity Improve Fixation of Titanium and Hydroxyapatite-coated Revision Implants in an Animal Model?
CONCLUSIONS: The results of this study suggest that novel osteoconductive or osteoinductive coatings and bone graft substitutes or tissue-engineered constructs may further improve bone-implant fixation with the crack revision technique but require evaluation in a rigorous model such as presented here. CLINICAL RELEVANCE: This experimental study provides data on which to base clinical trials aimed to improve fixation of revision implants. Given the multifactorial nature of complex human revisions, such a protocoled clinical study is required to determine the clinical applicability of this approach. PMID: 27554268 ...
Source: Clinical Orthopaedics and Related Research - August 23, 2016 Category: Orthopaedics Authors: Elmengaard B, Baas J, Jakobsen T, Kold S, Jensen TB, Bechtold JE, Soballe K Tags: Clin Orthop Relat Res Source Type: research

A Resident-led Initiative Improves Screening and Treatment for Vitamin D Deficiency in Patients with Hip Fractures.
Abstract BACKGROUND: Acute hip fractures carry a high risk of morbidity and are associated with low vitamin D levels. Improvements in screening and treating low vitamin D levels may lead to lower fall rates and a lower likelihood of additional fragility fractures. However, patients with low vitamin D levels often remain unassessed and untreated, even after they experience these fractures. QUESTIONS/PURPOSES: We wished to determine whether a resident-led initiative can improve (1) screening for and (2) treatment of vitamin D deficiency in patients with acute hip fractures. METHODS: Our department initiate...
Source: Clinical Orthopaedics and Related Research - August 22, 2016 Category: Orthopaedics Authors: Lansdown DA, Whitaker A, Wustrack R, Sawyer A, Hansen EN Tags: Clin Orthop Relat Res Source Type: research

Does PEEK/HA Enhance Bone Formation Compared With PEEK in a Sheep Cervical Fusion Model?
CONCLUSIONS: Incorporating HA into PEEK provides a more favorable environment than PEEK alone for bone ongrowth. Cervical fusion was improved with PEEK-HA compared with PEEK alone as well as allograft bone interbody devices. CLINICAL RELEVANCE: Improving the bone-implant interface with a PEEK device by incorporating HA may improve interbody fusion results and requires further clinical studies. PMID: 27549990 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 22, 2016 Category: Orthopaedics Authors: Walsh WR, Pelletier MH, Bertollo N, Christou C, Tan C Tags: Clin Orthop Relat Res Source Type: research

What Risks are Associated with Primary THA in Recipients of Hematopoietic Stem Cell Transplantation?
CONCLUSION: With appropriate medical evaluation and comanagement by transplant specialists, carefully selected patients with hematopoietic stem cell transplants may undergo elective primary THA, although complications do occur in this relatively fragile patient population. Although implant survivorship was modest at 93% at 5 years, there was not a high risk of revision for infection. Improved outcomes for these patients may be expected as their medical management advances and additional comparative studies may clarify other important patient factors. LEVEL OF EVIDENCE: Level IV, therapeutic study. PMID: 27542147 ...
Source: Clinical Orthopaedics and Related Research - August 19, 2016 Category: Orthopaedics Authors: Chalmers BP, Ledford CK, Statz JM, Mabry TM, Hanssen AD, Abdel MP Tags: Clin Orthop Relat Res Source Type: research

Editorial Comment: 2015 International Hip Society Proceedings.
PMID: 27542148 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 19, 2016 Category: Orthopaedics Authors: Clohisy JC, Callaghan JJ Tags: Clin Orthop Relat Res Source Type: research

CORR Insights( ®): No Difference between Trabecular Metal Cones and Femoral Head Allograft in Revision TKA: Minimum 5-year Followup.
CORR Insights(®): No Difference between Trabecular Metal Cones and Femoral Head Allograft in Revision TKA: Minimum 5-year Followup. Clin Orthop Relat Res. 2016 Aug 19; Authors: Dennis DA PMID: 27542149 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 19, 2016 Category: Orthopaedics Authors: Dennis DA Tags: Clin Orthop Relat Res Source Type: research

Letter to the Editor: Editorial: The Graying of the (Funded) Musculoskeletal Scientist.
PMID: 27539448 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 18, 2016 Category: Orthopaedics Authors: Bloebaum RD Tags: Clin Orthop Relat Res Source Type: research

Obituary: A Remembrance of D. Kay Clawson MD (1927-2016).
PMID: 27539449 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 18, 2016 Category: Orthopaedics Authors: Lambson RO Tags: Clin Orthop Relat Res Source Type: research

CORR Insights( ®): Is Model-based Radiostereometric Analysis Suitable for Clinical Trials of a Cementless Tapered Wedge Femoral Stem?
CORR Insights(®): Is Model-based Radiostereometric Analysis Suitable for Clinical Trials of a Cementless Tapered Wedge Femoral Stem? Clin Orthop Relat Res. 2016 Aug 17; Authors: Kendrick B PMID: 27535282 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 17, 2016 Category: Orthopaedics Authors: Kendrick B Tags: Clin Orthop Relat Res Source Type: research

CORR Insights( ®): Periprosthetic UHMWPE Wear Debris Induces Inflammation, Vascularization, and Innervation After Total Disc Replacement in the Lumbar Spine.
CORR Insights(®): Periprosthetic UHMWPE Wear Debris Induces Inflammation, Vascularization, and Innervation After Total Disc Replacement in the Lumbar Spine. Clin Orthop Relat Res. 2016 Aug 17; Authors: Wright TM PMID: 27535283 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 17, 2016 Category: Orthopaedics Authors: Wright TM Tags: Clin Orthop Relat Res Source Type: research

Head-Neck Osteoplasty has Minor Effect on the Strength of an Ovine Cam-FAI Model: In Vitro and Finite Element Analyses.
t M Abstract BACKGROUND: Osteochondroplasty of the head-neck region is performed on patients with cam femoroacetabular impingement (FAI) without fully understanding its repercussion on the integrity of the femur. Cam-type FAI can be surgically and reproducibly induced in the ovine femur, which makes it suitable for studying corrective surgery in a consistent way. Finite element models built on quantitative CT (QCT) are computer tools that can be used to predict femoral strength and evaluate the mechanical effect of surgical correction. QUESTIONS/PURPOSES: We asked: (1) What is the effect of a resection of the...
Source: Clinical Orthopaedics and Related Research - August 17, 2016 Category: Orthopaedics Authors: Maquer G, Bürki A, Nuss K, Zysset PK, Tannast M Tags: Clin Orthop Relat Res Source Type: research

Erratum to: What Is the Natural History of Asymptomatic Pseudotumors in Metal-on-metal THAs at Mid-term Followup?
PMID: 27530393 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 16, 2016 Category: Orthopaedics Authors: Konan S, Duncan CP, Masri BS, Garbuz DS Tags: Clin Orthop Relat Res Source Type: research

CORR Insights( ®): Otto Aufranc Award: A Multicenter, Randomized Study of Outpatient versus Inpatient Total Hip Arthroplasty.
CORR Insights(®): Otto Aufranc Award: A Multicenter, Randomized Study of Outpatient versus Inpatient Total Hip Arthroplasty. Clin Orthop Relat Res. 2016 Aug 16; Authors: Parvizi J PMID: 27530394 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 16, 2016 Category: Orthopaedics Authors: Parvizi J Tags: Clin Orthop Relat Res Source Type: research

A Day at the Office: Is Private Practice Orthopaedic Surgery Dead?
PMID: 27530395 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 16, 2016 Category: Orthopaedics Authors: Lundy DW Tags: Clin Orthop Relat Res Source Type: research

What Factors are Associated With Clinically Important Improvement After Shoulder Hemiarthroplasty for Cuff Tear Arthropathy?
Abstract BACKGROUND: In selected patients with a desire to maintain activity levels greater than those recommended after reverse total shoulder arthroplasty, hemiarthroplasty remains an option for treatment of cuff tear arthropathy (CTA). However, given the relatively small case series that have been reported to date, little is known regarding which patients will show functional improvement after this surgery. QUESTIONS/PURPOSES: We asked: What factors are associated with achieving the minimum clinically important difference in the simple shoulder test (SST) after hemiarthroplasty for cuff tear arthropathy? ...
Source: Clinical Orthopaedics and Related Research - August 16, 2016 Category: Orthopaedics Authors: Somerson JS, Sander P, Bohsali K, Tibbetts R, Rockwood CA, Wirth MA Tags: Clin Orthop Relat Res Source Type: research

Stretching After Heat But Not After Cold Decreases Contractures After Spinal Cord Injury in Rats.
Abstract BACKGROUND: Contractures are a prevalent and potentially severe complication in patients with neurologic disorders. Although heat, cold, and stretching are commonly used for treatment of contractures and/or spasticity (the cause of many contractures), the sequential effects of these modalities remain unclear. QUESTIONS/PURPOSES: Using an established rat model with spinal cord injury with knee flexion contracture, we sought to determine what combination of heat or cold before stretching is the most effective for treatment of contractures derived from spastic paralyses and investigated which treatment ...
Source: Clinical Orthopaedics and Related Research - August 16, 2016 Category: Orthopaedics Authors: Iwasawa H, Nomura M, Sakitani N, Watanabe K, Watanabe D, Moriyama H Tags: Clin Orthop Relat Res Source Type: research

On Patient Safety: Do You Say "I'm Sorry" to Patients?
On Patient Safety: Do You Say "I'm Sorry" to Patients? Clin Orthop Relat Res. 2016 Aug 12; Authors: Lee MJ PMID: 27519576 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 12, 2016 Category: Orthopaedics Authors: Lee MJ Tags: Clin Orthop Relat Res Source Type: research

CORR Insights( ®): Transsacral Osseous Corridor Anatomy Is More Amenable To Screw Insertion In Males: A Biomorphometric Analysis of 280 Pelves.
CORR Insights(®): Transsacral Osseous Corridor Anatomy Is More Amenable To Screw Insertion In Males: A Biomorphometric Analysis of 280 Pelves. Clin Orthop Relat Res. 2016 Aug 12; Authors: Dougherty PJ PMID: 27519577 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 12, 2016 Category: Orthopaedics Authors: Dougherty PJ Tags: Clin Orthop Relat Res Source Type: research

CORR Insights( ®): High Risk of Surgical Glove Perforation From Surgical Rotatory Instruments.
CORR Insights(®): High Risk of Surgical Glove Perforation From Surgical Rotatory Instruments. Clin Orthop Relat Res. 2016 Aug 10; Authors: Lindsey RW PMID: 27511200 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 10, 2016 Category: Orthopaedics Authors: Lindsey RW Tags: Clin Orthop Relat Res Source Type: research

One-stage Revision With Catheter Infusion of Intraarticular Antibiotics Successfully Treats Infected THA.
CONCLUSIONS: Single-stage revision for chronically infected cemented THA and débridement of bone-ingrown cementless THA with late-onset acute infection followed with indwelling catheter antibiotic infusion can result in infection eradication even when resistant organisms are involved. Larger study groups would better assess this technique and prospective comparisons to more traditional one- and two-stage revision techniques for infected THA will likely require multi-institutional approaches. LEVEL OF EVIDENCE: Level IV, therapeutic study. PMID: 27511201 [PubMed - as supplied by publisher] (Source: Clinical...
Source: Clinical Orthopaedics and Related Research - August 10, 2016 Category: Orthopaedics Authors: Whiteside LA, Roy ME Tags: Clin Orthop Relat Res Source Type: research

Are Recently Trained Tumor Fellows Performing Less Tumor Surgery? An Analysis of 10 Years of the ABOS Part II Database.
Abstract BACKGROUND: The majority of orthopaedic trainees pursue additional subspecialty training at the conclusion of residency. Although national trends indicate that fellowship-trained surgeons are more frequently performing cases in their defined subspecialties, this may not be the case for recently trained tumor fellows. Prior work has established that low tumor case volume is a significant stressor for recently trained tumor fellows. Given the relative rarity of musculoskeletal tumors, it is important for prospective trainees to have clear expectations for the proportion of specialty-specific procedures...
Source: Clinical Orthopaedics and Related Research - August 10, 2016 Category: Orthopaedics Authors: Duchman KR, Miller BJ Tags: Clin Orthop Relat Res Source Type: research

Can Surgeons Adequately Capture Adverse Events Using the Spinal Adverse Events Severity System (SAVES) and OrthoSAVES?
e; PE Abstract BACKGROUND: Physicians have consistently shown poor adverse-event reporting practices in the literature and yet they have the clinical acumen to properly stratify and appraise these events. The Spine Adverse Events Severity System (SAVES) and Orthopaedic Surgical Adverse Events Severity System (OrthoSAVES) are standardized assessment tools designed to record adverse events in orthopaedic patients. These tools provide a list of prespecified adverse events for users to choose from-an aid that may improve adverse-event reporting by physicians. QUESTIONS/PURPOSES: The primary objective was to compa...
Source: Clinical Orthopaedics and Related Research - August 10, 2016 Category: Orthopaedics Authors: Chen BP, Garland K, Roffey DM, Poitras S, Dervin G, Lapner P, Phan P, Wai EK, Kingwell SP, Beaulé PE Tags: Clin Orthop Relat Res Source Type: research

Clinical Faceoff: Slightly Displaced, Isolated, Partial Articular Fracture of the Radial Head.
PMID: 27506967 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 9, 2016 Category: Orthopaedics Authors: Ring DC, Chen NC, Athwal GS Tags: Clin Orthop Relat Res Source Type: research

CORR Insights( ®): What Factors are Predictive of Patient-reported Outcomes? A Prospective Study of 337 Shoulder Arthroplasties.
CORR Insights(®): What Factors are Predictive of Patient-reported Outcomes? A Prospective Study of 337 Shoulder Arthroplasties. Clin Orthop Relat Res. 2016 Aug 9; Authors: Edwards TB PMID: 27506968 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 9, 2016 Category: Orthopaedics Authors: Edwards TB Tags: Clin Orthop Relat Res Source Type: research

Cochrane in CORR ( ®): Surgical Versus Non-surgical Interventions for Treating Patellar Dislocation (Review).
Cochrane in CORR (®): Surgical Versus Non-surgical Interventions for Treating Patellar Dislocation (Review). Clin Orthop Relat Res. 2016 Aug 9; Authors: Khan M, Miller BS PMID: 27506969 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 9, 2016 Category: Orthopaedics Authors: Khan M, Miller BS Tags: Clin Orthop Relat Res Source Type: research

T1 ρ Hip Cartilage Mapping in Assessing Patients With Cam Morphology: How Can We Optimize the Regions of Interest?
T1ρ Hip Cartilage Mapping in Assessing Patients With Cam Morphology: How Can We Optimize the Regions of Interest? Clin Orthop Relat Res. 2016 Aug 9; Authors: Anwander H, Rakhra KS, Melkus G, Beaulé PE Abstract BACKGROUND: T1ρ MRI has been shown feasible to detect the biochemical status of hip cartilage, but various region-of-interest strategies have been used, compromising the reproducibility and comparability between different institutions and studies. QUESTIONS/PURPOSES: The purposes of this study were (1) to determine representative regions of interest (ROIs) for cartilage T1&rh...
Source: Clinical Orthopaedics and Related Research - August 9, 2016 Category: Orthopaedics Authors: Anwander H, Rakhra KS, Melkus G, Beaulé PE Tags: Clin Orthop Relat Res Source Type: research

Is Botulinum Toxin Type A a Valuable Adjunct During Femoral Lengthening? A Randomized Trial.
CONCLUSIONS: Local injection of 200 IU BtX-A in the quadriceps muscles does not appear to reduce distraction-induced pain nor enhance ROM in the hip or knee during femoral lengthening. Additional studies are needed to evaluate the effect of larger doses or different injection methods. Based on our findings, we do not recommend routine use of botulinum injections during limb lengthening and believe any further use of this drug should only be in the context of a controlled trial. LEVEL OF EVIDENCE: Level II, therapeutic study. PMID: 27506971 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 9, 2016 Category: Orthopaedics Authors: Park H, Shin S, Shin HS, Kim HW, Kim DW, Lee DH Tags: Clin Orthop Relat Res Source Type: research

CORR Insights( ®): Two- to 4-year Followup of a Short Stem THA Construct: Excellent Fixation, Thigh Pain a Concern.
CORR Insights(®): Two- to 4-year Followup of a Short Stem THA Construct: Excellent Fixation, Thigh Pain a Concern. Clin Orthop Relat Res. 2016 Aug 9; Authors: Nich C PMID: 27506972 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 9, 2016 Category: Orthopaedics Authors: Nich C Tags: Clin Orthop Relat Res Source Type: research

What is the Prevalence of Radiographic Hip Findings Associated With Femoroacetabular Impingement in Asymptomatic Asian Volunteers?
CONCLUSION: The prevalence of FAI-related morphologic features in asymptomatic Asian populations was comparable to the prevalence in Western populations. Considering the high prevalence of radiographic hip findings reminiscent of FAI in asymptomatic Asian populations, it will be important to determine whether FAI-related morphologic features are a cause of hip pain when considering surgery in Asian patients. PMID: 27506973 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 9, 2016 Category: Orthopaedics Authors: Ahn T, Kim CH, Kim TH, Chang JS, Jeong MY, Aditya K, Yoon PW Tags: Clin Orthop Relat Res Source Type: research

Does Surgeon Experience Impact the Risk of Complications After Bernese Periacetabular Osteotomy?
CONCLUSIONS: With a case exposure greater than 40 PAOs and progressive surgical responsibility during contemporary structured training, two young surgeons were able to perform PAO with a low risk of complications. However, even with that surgical experience before independent practice, surgical time decreased over the first 40 PAOs they performed independently. Our data may help guide orthopaedic residency and hip preservation fellowship programs in establishing training requirements and assessing competency in PAO. LEVEL OF EVIDENCE: Level III, therapeutic study. PMID: 27495809 [PubMed - as supplied by publisher...
Source: Clinical Orthopaedics and Related Research - August 5, 2016 Category: Orthopaedics Authors: Novais EN, Carry PM, Kestel LA, Ketterman B, Brusalis CM, Sankar WN Tags: Clin Orthop Relat Res Source Type: research

Satisfying Results of Primary Hip Arthroplasty in Patients With Hip Dysplasia at a Mean Followup of 20 Years.
CONCLUSIONS: Cemented primary THA with the use of impaction bone grafting shows satisfying long-term results in patients with previous DDH. For future research it is important to evaluate this technique in a larger cohort with a long-term followup. Other techniques also should be evaluated at long-term followup to be able to compare different techniques in this important and specific patient group. LEVEL OF EVIDENCE: Level IV, therapeutic study. PMID: 27492686 [PubMed - as supplied by publisher] (Source: Clinical Orthopaedics and Related Research)
Source: Clinical Orthopaedics and Related Research - August 4, 2016 Category: Orthopaedics Authors: Colo E, Rijnen WH, Gardeniers JW, van Kampen A, Schreurs BW Tags: Clin Orthop Relat Res Source Type: research

Novel Augmentation Technique for Patellar Tendon Repair Improves Strength and Decreases Gap Formation: A Cadaveric Study.
CONCLUSIONS: This biomechanical study showed improved performance of a novel augmentation technique compared with the standard repair, in terms of reduced gap formation during cyclic loading and increased maximum load to failure. CLINICAL RELEVANCE: Decreased gap formation and higher load to failure may improve healing potential and minimize failure risk. This study shows a potential biomechanical advantage of the augmentation technique, providing support for future clinical investigations comparing this technique with other repair methods that are in common use such as transosseous suture repair. PMID: 27492687 ...
Source: Clinical Orthopaedics and Related Research - August 4, 2016 Category: Orthopaedics Authors: Black JC, Ricci WM, Gardner MJ, McAndrew CM, Agarwalla A, Wojahn RD, Abar O, Tang SY Tags: Clin Orthop Relat Res Source Type: research

When Can I Drive After Orthopaedic Surgery? A Systematic Review.
CONCLUSIONS: The available evidence provides a best-case scenario for when patients can return to driving. It is important for observer-reported outcome measures to have normalized before a patient can consider driving, but other factors such as strength, ROM, and use of opioid analgesics need to be considered. This review can provide a guideline for when physicians can begin to consider evaluating these other factors and discussing a return to driving with patients. Survey data suggest that patients are returning to driving before observer-reported outcome measures have normalized, indicating that physicians should tell p...
Source: Clinical Orthopaedics and Related Research - August 4, 2016 Category: Orthopaedics Authors: DiSilvestro KJ, Santoro AJ, Tjoumakaris FP, Levicoff EA, Freedman KB Tags: Clin Orthop Relat Res Source Type: research

What is the Intraarticular Concentration of Tobramycin Using Low-dose Tobramycin Bone Cement in TKA: An In Vivo Analysis?
Abstract BACKGROUND: Antibiotic-impregnated bone cement has increased in popularity as an effort to reduce the risk of infection in high-risk TKAs. However, limited data has been reported regarding antibiotic levels achieved when using tobramycin-impregnated bone cement after implanting total knee components. QUESTIONS/PURPOSES: We asked: (1) What is the tobramycin serum and knee intraarticular levels in patients undergoing primary TKA using tobramycin cement? (2) What is the intraarticular tobramycin level for patients receiving only intravenous tobramycin? METHODS: All patients undergoing primary TKA b...
Source: Clinical Orthopaedics and Related Research - August 3, 2016 Category: Orthopaedics Authors: Vrabec G, Stevenson W, Elguizaoui S, Kirsch M, Pinkowski J Tags: Clin Orthop Relat Res Source Type: research

Periprosthetic UHMWPE Wear Debris Induces Inflammation, Vascularization, and Innervation After Total Disc Replacement in the Lumbar Spine.
Abstract BACKGROUND: The pathophysiology and mechanisms driving the generation of unintended pain after total disc replacement (TDR) remain unexplored. Ultrahigh-molecular-weight polyethylene (UHMWPE) wear debris from TDRs is known to induce inflammation, which may result in pain. QUESTIONS/PURPOSES: The purpose of this study was to determine whether (1) periprosthetic UHMWPE wear debris induces immune responses that lead to the production of tumor necrosis factor-α (TNFα) and interleukin (IL)-1ß, the vascularization factors, vascular endothelial growth factor (VEGF) and platelet-d...
Source: Clinical Orthopaedics and Related Research - August 3, 2016 Category: Orthopaedics Authors: Veruva SY, Lanman TH, Isaza JE, Freeman TA, Kurtz SM, Steinbeck MJ Tags: Clin Orthop Relat Res Source Type: research