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https://www.readbyqxmd.com/read/29469803/use-of-the-hemicap-partial-hip-resurfacing-technique-for-traumatic-femoral-head-osteochondral-defects-following-obturator-hip-dislocations
#1
Varun Arora, Pierre Navarre, Mathias Russ, Max Esser
Fracture of the femoral head (OTA 31-C1.3) following anterior obturator dislocations are a challenging problem as the fractures are often communited, impacted and with loose osteochondral fragments, making surgical fixation difficult. This can result in residual articular defects if the fragments cannot be internally fixed and need be excised, predisposing to secondary osteoarthritis. Treatment options for these defects are limited, have variable results and with limited literature to guide us on outcomes due to the rarity of these injuries...
2018: SICOT-J
https://www.readbyqxmd.com/read/29460536/traumatic-and-surgical-scars-successful-treatment-with-a-1-565nm-erbium-glass-nafl-combined-with-ipl
#2
D Quarato, M Pascali, F Carinci
Scars are a very common condition of the general population and can have a profound impact on the psyche of the patient such as low self-esteem and feelings of psychosocial isolation. Various therapeutic approaches have been proposed for improving the clinical appearance of scars. Fractional mode of ablative and non-ablative lasers has become a novel strategy for the treatment of scars. A total of 43 patients (Fitzpatrick skin type II to IV), clinically diagnosed of surgical and post-traumatic scars from January 2015 to December 2016, were treated...
January 2018: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/29456980/effect-of-patellar-electrocautery-neurectomy-on-postoperative-pain-among-patients-referred-for-total-knee-arthroplasty
#3
Mehdi Motififard, Khalilollah Nazem, Aida Zarfeshani, Kaveh Zarfeshani
Background: Anterior knee pain is a major problem in total knee arthroplasty (TKA). It is accepted that anterior knee pain (AKP) often contributes to a patellofemoral etiology; however, its etiology or treatment is not understood completely. Disabling pain receptors by electrocautery could theoretically lead to anterior knee area denervation. The present study aimed to evaluate the pain post-patellar denervation (PD) with electrocautery in TKA. Materials and Methods: Clinical results for 92 patients who underwent TKA (58 women, 34 men; mean age 67...
2018: Advanced Biomedical Research
https://www.readbyqxmd.com/read/29455347/a-prospective-comparative-study-of-hip-resurfacing-arthroplasty-and-large-diameter-head-metal-on-metal-total-hip-arthroplasty-in-younger-patients-a-minimum-of-five-year-follow-up
#4
Ran Tao, Fan Liu, Ya-Ke Liu, Yue Lu, Hua Xu, Yi Cao, Zhen-Yu Zhou, Wei Wang
INTRODUCTION: Both hip resurfacing arthroplasty (HRA) and large-diameter head metal-on-metal total hip arthroplasty (LDH MoM THA) are generally used for young and active patients. A number of comparative studies of HRA and total hip arthroplasty have been published in the literature. However, studies that have compared HRA with LDH MoM THA are rare. The purpose of this study is to compare the mid-term results of HRA with those of LDH MoM THA in young patients. PATIENTS AND METHODS: Between 2007 and 2011, 68 patients were enrolled in the study and randomized into two groups: HRA group (28 hips) and LDH MoM THA group (40 hips)...
February 18, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29452973/the-alpha-defensin-test-for-diagnosing-periprosthetic-joint-infection-in-the-setting-of-an-adverse-local-tissue-reaction-secondary-to-a-failed-metal-on-metal-bearing-or-corrosion-at-the-head-neck-junction
#5
Kamil T Okroj, Tyler E Calkins, Erdan Kayupov, Michael M Kheir, Joshua S Bingham, Christopher P Beauchamp, Javad Parvizi, Craig J Della Valle
BACKGROUND: In patients with adverse local tissue reaction (ALTR) secondary to a failed metal-on-metal (MoM) bearing or corrosion at the head-neck junction in a metal-on-polyethylene bearing, ruling in or out periprosthetic joint infection (PJI) can be challenging. Alpha-defensin has emerged as an accurate test for PJI. The purpose of this multicenter, retrospective study was to evaluate the accuracy of the alpha-defensin synovial fluid test in detecting PJI in patients with ALTR. METHODS: We reviewed medical records of 26 patients from 3 centers with ALTR that had an alpha-defensin test performed...
January 16, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29431228/efficacy-of-mas063dp-lotion-vs-0-02-triamcinolone-acetonide-lotion-in-improving-post-ablative-fractional-co-2-laser-resurfacing-wound-healing-a-split-face-triple-blinded-randomized-controlled-trial
#6
Suparuj Lueangarun, Therdpong Tempark
Proven as effective acne scar treatment, ablative fractional carbon dioxide (AFCO 2 ) laser requires post-laser wound healing care. MAS063DP is a multicomponent nonsteroidal anti-inflammatory moisturizer for effective post-laser treatment. This study compares the efficacy of MAS063DP and 0.02% triamcinolone acetonide (TA) lotion for post-laser wound healing and complications. A split-face, triple-blinded, clinical study was performed in 16 patients, aged 20-50 years, receiving AFCO 2 on both sides of the face, with MAS063DP on one side and 0...
February 12, 2018: International Journal of Dermatology
https://www.readbyqxmd.com/read/29427442/nose-resurfacing-with-free-fasciocutaneous-flaps-in-burns-patients
#7
Cheng-I Yen, Jui-Yung Yang, Chun-Shin Chang, Jung-Ju Huang, Chih-Wei Wu, Hung-Chang Chen, Shih-Yi Yang, Shu-Yin Chang, Shiow-Shuh Chuang, Yen-Chang Hsiao
BACKGROUND: Nasal reconstruction after burn injury can be challenging due to limited availability of local flaps. We present our experience of free flap reconstruction for full-thickness nasal defect after severe facial burn injury. METHODS: Between August 1998 and September 2015, six patients underwent nasal reconstruction with seven free flaps after burn injury. Among them, flame burn occurred in two patients, chemical burn in two, explosive burn in one, and contact thermal burn in one patient...
February 10, 2018: Microsurgery
https://www.readbyqxmd.com/read/29411900/in-vivo-comparison-of-medialized-dome-and-anatomic-patellofemoral-geometries-using-subject-specific-computational-modeling
#8
Azhar A Ali, Erin M Mannen, Paul J Rullkoetter, Kevin B Shelburne
Successful outcome following total knee arthroplasty (TKA) with patella resurfacing is partly determined by the restoration of patellofemoral (PF) function and recovery of the quadriceps mechanism. The current study compared two patellar TKA geometries (medialized dome and anatomic) to determine their impact on PF mechanics and quadriceps function. In-vivo, subject-specific patellar mechanics were evaluated using a sequential experimental and modeling approach. First, stereo radiography, marker-based motion capture, and force plate data were collected for TKA patients (10 dome, 10 anatomic) performing a knee extension and lunge...
February 7, 2018: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29406454/what-is-the-long-term-survivorship-of-cruciate-retaining-tka-in-the-finnish-registry
#9
Emmi Montonen, Inari Laaksonen, Markus Matilainen, Antti Eskelinen, Jaason Haapakoski, Ari-Pekka Puhto, Jarkko Leskinen, Jukka Kettunen, Mikko Manninen, Keijo T Mäkelä
BACKGROUND: Survival of cruciate-retaining (CR) TKA is generally good, but there may be important differences in survivorship among devices, and different designs may not all be equally patellar-friendly. Large registry databases are needed to identify small but important differences between devices. QUESTIONS/PURPOSES: The purposes of this study were (1) to assess the long-term survivorship of the most common CR TKA devices with revision for any reason as the endpoint and compare the revision risk of these devices after controlling for the potentially confounding variables of age, sex, hospital volume, and primary diagnosis; and (2) to analyze these same devices with revision for secondary resurfacing of the patella as a separate endpoint...
February 2, 2018: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/29406339/implications-of-introducing-new-technology-comparative-survivorship-modeling-of-metal-on-metal-hip-replacements-and-contemporary-alternatives-in-the-national-joint-registry
#10
Linda P Hunt, Michael R Whitehouse, Andrew Beswick, Martyn L Porter, Peter Howard, Ashley W Blom
BACKGROUND: New medical technologies are often used widely without adequate supporting data, a practice that can lead to widespread catastrophic failure such as occurred with metal-on-metal (MoM) hip replacements. We determined both how revision rates would have differed if, instead of receiving MoM hip replacements, patients had received existing alternatives and the subsequent cumulative re-revision rates of the patients who did receive MoM hip replacements compared with alternatives...
February 7, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29406297/sacral-pressure-ulcer-induced-fournier-s-gangrene-extending-to-the-retroperitoneum-a-case-report
#11
Kiyoko Fukui, Masaki Fujioka, Satoko Ishiyama
INTRODUCTION: Fournier's gangrene (FG) is a type of necrotizing fasciitis of the perineum and scrotum that is characterized by very rapid progression. Sacral pressure ulcers are one of the causes of FG. CASE REPORT: An 85-year-old man was referred to the National Hospital Organization Nagasaki Medical Center (Ohmura City, Japan) with a diagnosis of FG extending to the retroperitoneum caused by a sacral pressure ulcer. Immediate debridement was performed; however, it was not possible to remove all necrotic tissue from the pelvis...
January 2018: Wounds: a Compendium of Clinical Research and Practice
https://www.readbyqxmd.com/read/29398396/radiocapitellar-prosthetic-arthroplasty-short-term-to-midterm-results-of-19-elbows
#12
Amir R Kachooei, Nicole A M Heesakkers, Andras Heijink, Bertram The, Denise Eygendaal
BACKGROUND: Few studies have discussed the short-term results of radiocapitellar (RC) prosthetic arthroplasty (PA). In this study, we assessed the short-term to midterm functional and radiographic results of elbows after RC PA. Our secondary aim was to assess the survival of the RC PA. METHODS: We included 19 elbows in 18 patients with a mean follow-up of 35 months (range, 12-88 months). Patients were examined for instability and range of motion and were assessed using Mayo Elbow Performance Index and Oxford Elbow Score at any subsequent visits...
February 1, 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29398258/different-factors-conduct-anterior-knee-pain-following-primary-total-knee-arthroplasty-a-systematic-review-and-meta-analysis
#13
REVIEW
Guman Duan, Chang Liu, Weiwei Lin, Jiashen Shao, Kunpeng Fu, Yingzhen Niu, Fei Wang
BACKGROUND: A systematic review and meta-analysis was performed to investigate the risks associated with anterior knee pain (AKP) following primary total knee arthroplasty (TKA). METHODS: A computerized search was performed of the following databases: MEDLINE, Embase, and Cochrane Central (published prior to July 2017). A total of 37 studies, which included 1641 cases of AKP and 168,090 TKAs, were included in the meta-analysis. RESULTS: A subgroup analysis revealed that compared with those without the following medical conditions, patients who had an infrapatellar fat pad excision and more than 12 months of follow-up (odds ratio [OR] 12...
January 2, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29394972/extended-islanded-reverse-sural-artery-flap-for-staged-reconstruction-of-foot-defects-proximal-to-toes
#14
Muhammad Amin Yousaf, Zain Ul Abidin, Kamran Khalid, Ata Ul Haq, Farrukh Aslam Khalid, Faraz Ahmad Tarar, Muhammad Umar Asif, Moazzam Nazeer Tarar
Obective:To assess the outcome of extended delayed reverse sural artery flap for reconstruction of foot defects proximal to toes in terms of flap survival, complication and extended area. STUDY DESIGN: Case series. PLACE AND DURATION OF STUDY: Jinnah Burn and Reconstructive Surgery Centre, Lahore, from February 2015 to April 2017. METHODOLOGY: Cases who underwent delayed sural artery flap were inducted. Preoperative hand-held doppler was done to confirm the location of perforator...
February 2018: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/29382294/medium-term-follow-up-of-149-mobile-bearing-total-knee-arthroplasties-and-evaluation-of-prognostic-factors-influencing-outcomes
#15
Federica Rosso, Umberto Cottino, Matteo Olivero, Davide Edoardo Bonasia, Matteo Bruzzone, Roberto Rossi
OBJECTIVE: To evaluate the medium-term outcomes of a posterior-stabilized mobile-bearing total knee arthroplasty (PS-MB-TKA) and the role of different prognostic factors. METHODS: Patients indicated for a primary cemented PS-MB-TKA between 2002 and 2010 were included and prospectively evaluated using the Knee Society Scoring System (KSS) and the Hospital for Special Surgery (HSS) knee scores. The Knee Society Roentgenographic Evaluation form was used for the radiological evaluation...
January 2018: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/29373801/long-term-clinical-outcomes-after-microfracture-of-the-glenohumeral-joint-average-10-year-follow-up
#16
Kevin C Wang, Rachel M Frank, Eric J Cotter, Annabelle Davey, Maximilian A Meyer, Charles P Hannon, Timothy Leroux, Anthony A Romeo, Brian J Cole
BACKGROUND: Microfracture is an effective surgical treatment for full-thickness cartilage defects of the knee; however, little is known regarding long-term outcomes after microfracture in the shoulder. PURPOSE: To present long-term clinical outcomes of patients undergoing microfracture of full-thickness articular cartilage defects of the glenohumeral joint. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: Sixteen consecutive patients (17 shoulders) were retrospectively reviewed who underwent arthroscopic microfracture of the humeral head and/or glenoid surface, with or without additional procedures between 2001 and 2008 and with a minimum follow-up of 8...
January 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29369208/an-alternative-strategy-treated-giant-congenital-melanocytic-nevi-with-epidermis-and-superficial-dermis-of-the-lesions
#17
Chuan Gu, Xiu-Xia Wang, Xusong Luo, Fei Liu, Xian-Yu Zhou, Jun Yang, Qun Yang, Xi Wang
Giant congenital melanocytic nevi (GCMN) are defined as rare pigmented lesions that are believed to form between weeks 9 and 20 of gestation. It is difficult to reconstruct large defects after the removal of the lesions and it has posed a great challenge to the plastic surgeon and dermatologist.Given all those difficulty reconstructing the defects, we try to explore an alternative way to resurfacing the defect after removal of GCMN.Patients with GCMN received single-stage excision. Following the subcutaneous tissue and deep dermis were discarded, epidermis and superficial dermis were harvested as graft substitutes to reconstruct the defects in situ...
January 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29368045/long-term-survivorship-of-stemless-anatomical-shoulder-replacement
#18
Sascha Beck, Verena Beck, Alexander Wegner, Marcel Dudda, Theodor Patsalis, Marcus Jäger
PURPOSE: Like in many other joints, current shoulder replacement designs aim at bone preservation. According to the literature available, stemless total shoulder arthroplasty (TSA) compares favourably with stemmed designs in terms of function and survivorship of the implant. However, long-term results of stemless shoulder arthroplasty are still missing. Therefore, the aim of the present study was to evaluate long-term results of stemless anatomical TSA. METHODS: Between 2006 and 2009, 51 shoulders in 46 patients were resurfaced using the Biomet Total Evolutive Shoulder System (TESS)...
January 24, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29366665/the-outcome-of-secondary-resurfacing-of-the-patella-following-total-knee-arthroplasty-results-from-the-trent-and-wales-arthroplasty-register
#19
Christopher Thomas, Vishal Patel, Emad Mallick, Colin Esler, Robert U Ashford
BACKGROUND: We sought to determine whether patients undergoing secondary patella resurfacing (SPR) benefited from the procedure by assessing postoperative satisfaction via a postal questionnaire. METHODS: All such patients included in the Trent and Wales Arthroplasty Register were invited to participate using patient-reported outcome measures (PROMs). We identified 223 patients who had undergone SPR over a 20-year period. Forty-two had died according to death register checks...
January 20, 2018: Knee
https://www.readbyqxmd.com/read/29352780/hydrogen-collisions-with-transition-metal-surfaces-universal-electronically-nonadiabatic-adsorption
#20
Yvonne Dorenkamp, Hongyan Jiang, Hansjochen Köckert, Nils Hertl, Marvin Kammler, Svenja M Janke, Alexander Kandratsenka, Alec M Wodtke, Oliver Bünermann
Inelastic scattering of H and D atoms from the (111) surfaces of six fcc transition metals (Au, Pt, Ag, Pd, Cu, and Ni) was investigated, and in each case, excitation of electron-hole pairs dominates the inelasticity. The results are very similar for all six metals. Differences in the average kinetic energy losses between metals can mainly be attributed to different efficiencies in the coupling to phonons due to the different masses of the metal atoms. The experimental observations can be reproduced by molecular dynamics simulations based on full-dimensional potential energy surfaces and including electronic excitations by using electronic friction in the local density friction approximation...
January 21, 2018: Journal of Chemical Physics
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