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Journal of Orthopaedics

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https://www.readbyqxmd.com/read/28070149/outcome-analysis-of-hip-or-knee-arthroplasty-in-patients-with-cirrhotic-liver-disease
#1
Young-Jun Seol, Taek-Rim Yoon, Dong-Hyun Lee, Sun-Ho Lee, Kyung-Soon Park
OBJECTIVE: Present helpful measures to prevent expected complications that occur in patients with liver cirrhosis undergoing arthroplasty. METHODS: 218 patients who underwent hip or knee arthroplasty were included in this study. Prognoses of patients with underlying disease of liver cirrhosis and those without are compared with measures. RESULTS: Patients with liver cirrhosis show an increase in amount of bleeding, hospital stay and infection rate compared to those who do not...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28070148/comparison-of-the-epidemiology-and-outcomes-of-traumatic-and-nontraumatic-rotator-cuff-tears
#2
Takeshi Teratani
OBJECTIVE: The purpose of this study was to investigate the differences in the epidemiology and outcomes of traumatic and nontraumatic rotator cuff tears. METHODS: Thirty-three patients with traumatic and 46 with nontraumatic rotator cuff tears were included. RESULTS: The rate of injury to the long head of the biceps was significantly higher in the traumatic group. Preoperative active forward elevation was significantly lower in the traumatic group...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28070147/liposomal-bupivacaine-in-total-hip-arthroplasty-do-the-results-justify-the-cost
#3
Jason A Beachler, Daniel M Kopolovich, Creighton C Tubb, Siraj A Sayeed
INTRODUCTION: Liposomal bupivacaine has a paucity of data regarding narcotic requirements and hospital length of stay in comparison to other peri-articular injections, specifically in the total hip arthroplasty (THA) population. METHODS: 69 patients who underwent THA by a single surgeon were divided into two cohorts over a 3 year period in this retrospective study comparing narcotic requirements, hospital length of stay and cost. The study group (n = 29) received liposomal bupivacaine whereas a matched control group (n = 40) received a pharmacy-mixed cocktail in peri-articular structures...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28053374/ang-1-and-ang-2-expression-in-angiomyolipoma-and-pecoma-family-tumors
#4
Swati Shrestha, Carolyn Meyers, Jia Shen, Paulina Giacomelli, Michelle A Scott, Chia Soo, Sarah M Dry, Kang Ting, Aaron W James
OBJECTIVE: Perivascular epithelioid cell tumors (PEComa) are an uncommon family of soft tissue tumors. Previously, we described that the presence of pericyte antigens among PEComa family tumors differs extensively by histologic appearance. METHODS: Here, we extend our findings using the pericyte antigens Angiopoietin-1 (Ang-1) and Angiopoietin-2 (Ang-2), using immunohistochemical detection in human tumor samples. RESULTS: While Ang-1 showed no expression across any PEComa family tumor, Ang-2 showed expression that like other pericyte markers was largely determined by cytologic appearance...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27942190/ang-2-but-not-ang-1-expression-in-perivascular-soft-tissue-tumors
#5
Swati Shrestha, Jia Shen, Paulina Giacomelli, Michelle A Scott, Chia Soo, Kang Ting, Bruno Péault, Sarah M Dry, Aaron W James
Perivascular soft tissue tumors are relatively uncommon neoplasms of unclear line of differentiation, although most are presumed to originate from pericytes. Previously, we reported a shared immunophenotype across these related tumor types. Here, we extend these findings to examine the expression of the pericyte markers angiopoietin-1 and -2 (Ang-1 and -2) among perivascular soft tissue tumors. Results showed consistent Ang-2 but not Ang-1 expression across tumor types. In summary, the absence of Ang-1 expression distinguishes perivascular from vascular soft tissue tumors...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27899848/a-radiographic-analysis-of-cage-positioning-in-lateral-transpsoas-lumbar-interbody-fusion
#6
Timothy L T Siu, Elmira Najafi, Kainu Lin
Direct Lumbar Interbody Fusion (DLIF) and eXtreme Lateral Interbody Fusion (XLIF) are the most common surgical platforms available for performing transpsoas spinal fusion but no study has been carried out to compare them. We evaluated 21 DLIF and 22 XLIF cage positions by measuring the distance between the posterior vertebral border and the centre of the cage normalised to the midsagittal length of the inferior end plate. We found that DLIF cages were significantly more anteriorly located than XLIF (0.65 vs 0...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27872519/the-inflatable-intramedullary-nail-for-humeral-shaft-fractures
#7
Fırat Ozan, Kaan Gürbüz, Erdal Uzun, Sefa Gök, Fatih Doğar, Fuat Duygulu
BACKGROUND: We assessed the results of humeral shaft fracture fixation using the inflatable intramedullary nail using radiological and clinical findings. METHODS: From 2012 to 2015, we treated 14 patients with humeral shaft fractures using inflatable intramedullary nail after closed reduction. RESULTS: The mean follow-up time was 14.1 months. The mean time to bone union was 4.5 months. None of the patients had major perioperative mechanical complications or postoperative complications, except for the occurrence of fixation loss and non-union in one patient...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27872518/spinal-fusion-surgery-a-historical-perspective
#8
REVIEW
Sandip P Tarpada, Matthew T Morris, Denver A Burton
The vast majority of technological advances in spinal fusion surgery have occurred within the past 50 years. Despite this, there existed a rich history of innovation, ingenuity, and resourcefulness among the spine surgeons of centuries before. Here, we pay tribute to this history, highlighting the important characters, their devices, and their thoughts, as they sought to alleviate human suffering from spinal deformity.
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27843223/treatment-of-atrophic-femoral-non-unions-according-to-the-diamond-concept-results-of-one-and-two-step-surgical-procedure
#9
Arash Moghaddam, Benjamin Thaler, Thomas Bruckner, Michael Tanner, Gerhard Schmidmaier
BACKGROUND: The treatment of non-unions in long bones poses a great challenge, particularly in cases of infection or large osseous defects. This article evaluates the use of the diamond concept in the treatment of femoral non-unions in a one-step or two-step procedure according to the Masquelet technique. PATIENTS AND METHODS: Between February 2010 and March 2014, 88 patients with atrophic femoral non-unions were included in our study. The treatment was performed in one step (Group G1) on 41 patients and in two-step Masquelet technique (Group G2) on 47 patients, according to the diamond concept...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27833359/experimental-strain-analysis-on-the-entire-bony-leg-compared-with-fe-analysis
#10
V Filardi, D Milardi
The present study addresses the question of evaluating, by combining both experimental and numerical approaches, the stress/strain distribution within a complete model of the entire lower bony chain. With this purpose an experimental model and a complete 3D finite element one were realised. A load of 700 N has been applied at the top of pelvis and the feet were rigidly fixed. Obtained results reveal interesting consequences deriving by taking into account the complete bony chain; it is possible to get information on load sharing between bones, location of high strain concentrations, and bone relative motion...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27833358/anatomic-considerations-when-performing-the-modified-henry-approach-for-exposure-of-distal-radius-fractures
#11
Megan A Conti Mica, Randy Bindra, Steven L Moran
BACKGROUND: Identify the proximity of anatomic structures during the modified Henry approach (MHA). METHODS: Distances between median nerve (MN), palmar cutaneous branch (PCB), radial artery (RA) and the flexor carpi radialis (FCR) were measured at the wrist crease (WC), 5 and 10 cm proximal in 16 fresh frozen cadavers. The FPL origin and innervation was measured. RESULTS: Most at risk was the MN proximally and the PCB distally while the RA was safe...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27829734/601-metal-on-metal-total-hip-replacements-with-36%C3%A2-mm-heads-a-5-minimum-year-follow-up-levels-of-armd-remain-low-despite-a-comprehensive-screening-program
#12
Amit Atrey, Alister Hart, Nasir Hussain, Jonathon Waite, Andrew J Shepherd, Steve Young
BACKGROUND: We conducted a retrospective study to assess the clinical outcome, failure rate, and reason for failure of a large consecutive series of 36 mm MoM Corail/Pinnacle total hip replacements (THRs). METHODS: Between 2006 and 2011, 601 consecutive 36 mm MoM THRs were performed (585 patients). Patients were followed according to the UK Medicines and Healthcare Products Regulatory Agency (MHRA) guidelines. All patients were accounted for and 469 patients (78%) were clinically and radiographically assessed...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27829733/new-approach-for-predictive-measurement-of-knee-cartilage-defects-with-three-dimensional-printing-based-on-ct-arthrography-a-feasibility-study
#13
R Michalik, S Schrading, T Dirrichs, A Prescher, C K Kuhl, M Tingart, B Rath
PURPOSE: The aim was to prove the possibility of creating an exact module of knee cartilage defects using 3D printing. METHODS: Defects were created in cadaver knees. CT-arthrography and 3-Tesla MRI were performed. Based on CTA images a model of the cartilage was created using 3D printing. Defect-sizes in the imaging modalities were compared. RESULTS: Estimated lesion area in 3D model differed approximately 5% comparing to the defect sizes in knees...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27829732/long-term-results-of-bone-patella-tendon-bone-acl-reconstruction
#14
Max Ettinger, Friedel Etter, Tilman Calliess, Michael Bohnsack, Christoph Becher
BACKGROUND: To assess outcomes of bone-patella-tendon-bone ACL-reconstruction at 18 years follow-up. MATERIAL AND METHODS: Outcome measures included the IKDC clinical examination form and clinical scores. Radiographs were analyzed to determine the grade of osteoarthritis. RESULTS: 69% of the examined patients (n = 54) had a normal/nearly normal knee, 14% were abnormal and 17% severely abnormal with significant improvement (P ≤ 0.001)...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27829731/dynamic-thermal-acoustic-response-for-human-bone-materials-at-different-energy-levels-a-diagnosis-approach
#15
Ashok Kumar Thella, James Rizkalla, Neeraj Rathi, Monika Kakani, Ahdy Helmy, Paul Salama, Maher E Rizkalla
BACKGROUND: The non-invasive diagnostic approaches have gained high attention in recent years, utilizing high technology sensor systems, including infrared, microwave devices, acoustic transducers, etc. The patient safety, high resolution images, and reliability are among the driving forces toward high technology approaches. The thermal and acoustic responses of the materials may reflect the important research parameters such as penetration depth, power consumption, and temperature change used for the practical models of the system...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27829730/are-we-all-guilty-of-under-estimating-intra-operative-blood-loss-during-hip-fracture-surgery
#16
Basil Budair, Usman Ahmed, James Hodson, Michael David, Mujeeb Ashraf, Tim McBride
AIM: To assess how accurately orthopaedic surgeons and anaesthesiologists estimate intraoperative blood loss during hip fracture surgery as part of the Surgical Safety Checklist (SCC). METHODS: A prospective study of 55 operations over 9 months. Pre- and post-operative estimations of blood loss were documented. Actual blood loss was determined by subtracting total amount of lavage fluid used from overall volumes in the suction bag and by weighing used swabs. RESULTS: Both, surgeons and anaesthesiologists, significantly underestimated intraoperative blood loss (p < 0...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27829729/bilateral-tka-for-charcot-arthropathy-associated-with-multiple-levels-of-spinal-canal-stenoses-a-case-report-and-review-of-literature
#17
Seiju Hayashi, Tomonari Okada, Keiji Horita
We report a case of an 84-year-old male with multiple levels of canal stenoses who are diagnosed as Charcot arthropathy of bilateral knees. Although he did not feel any pain, recurrence of joint fluid collection and severe instability prevented him from standing and walking. Deficit in superficial sensation and bathyesthesia below the level of Th10, and tendon reflexes of extremities were seen. Romberg test was positive. Laboratory data showed no abnormal findings. We performed bilateral TKA based on the diagnosis of Charcot arthropathy...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27829728/mr-arthrography-evaluation-in-patients-with-traumatic-anterior-shoulder-instability
#18
Luca Saba, Massimo De Filippo
INTRODUCTION: To evaluate retrospectively the diagnostic accuracy of MR arthrography, compared with arthroscopy, in research of the glenoid labrum tear in patients with a first episode of traumatic anterior shoulder instability (TUBS). MATERIAL AND METHODS: We retrospectively reviewed the MR arthrography shoulder images of 118 patients with a first episode of TUBS, between June 2014 and May 2016. RESULTS: The overall accuracy of MR arthrography compared with arthroscopy of the glenoid labrum lesions was 94%, sensitivity 93%, and specificity 96%...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27829727/windswept-deformities-an-indication-to-individualise-valgus-correction-angle-during-total-knee-arthroplasty
#19
Gautam M Shetty, Arun Mullaji, Ahmed Adel Khalifa, Abhik Ray
PURPOSE: We aimed to determine variation in femoral valgus correction angle (VCA) between the two limbs in a patient with windswept deformity undergoing total knee arthroplasty (TKA). METHODS: Femoral VCA was measured on full-length, hip-to-ankle, standing radiographs and was compared between the varus and the valgus limbs in 66 patients with windswept deformities. RESULTS: The mean VCA in varus knees was significantly higher compared to mean VCA in valgus knees (p = 0...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27829726/platelet-rich-plasma-therapies-building-the-path-to-evidence
#20
Eduardo Anitua, Roberto Prado, Gorka Orive
No abstract text is available yet for this article.
March 2017: Journal of Orthopaedics
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