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Orthopedic surgeries

Alexander P Decilveo, Bartlomiej W Szczech, Jacob Topfer, James C Wittig
Expandable endoprostheses have become an acceptable modality to address the issue of limb-length inequality in limb-sparing procedures for skeletally immature patients afflicted with lower extremity bone sarcomas. This study retrospectively analyzed postoperative outcomes and complications for 7 patients (8 limbs) who underwent minimally invasive or noninvasive reconstruction during a 12-year period. Musculoskeletal Tumor Society (MSTS) scores and complication rates were reported. Mean functional outcome (MSTS scores) at final follow-up was 93...
October 25, 2016: Orthopedics
Hui-Kuang Huang, Jung-Pan Wang, Chin-Jung Lin, Yi-Chao Huang, Tung-Fu Huang, Ming-Chau Chang
Good outcomes have been reported after both open and percutaneous surgery to release trigger thumb. This study evaluated short-term and long-term outcomes after treatment of trigger thumb with open or percutaneous release. A total of 126 trigger thumbs in 107 patients were reviewed from 2009 to 2012. Short-term (3 months) and long-term results (2 years) and complications of open release (58 digits) and percutaneous release (68 digits) were recorded and compared. Short-term complications included pain occurring in 9 digits (15...
October 25, 2016: Orthopedics
Nicholas B Frisch, Andrew M Pepper, Edward Rooney, Craig Silverton
Total hip arthroplasty (THA) and total knee arthroplasty (TKA) are common and successful orthopedic procedures, and as their frequency continues to increase substantially, the focus on limiting perioperative complications heightens. Intraoperative normothermia is recommended to minimize additional complications, but limited evidence exists regarding the effect of hypothermia on orthopedic patients. The purpose of this retrospective study was to determine the incidence of perioperative hypothermia in the setting of TKA and THA, and to evaluate its impact on complications and outcomes...
October 25, 2016: Orthopedics
Shoji Nishio, Shigeo Fukunishi, Shinichi Yoshiya, David C Sing, Erik N Hansen, Thomas P Vail
The aim of this study was to examine the clinical characteristics of patients who required revision and the rate of early complications after revision for metal-on-metal total hip arthroplasty (MOM THA) and metal-on-polyethylene total hip arthroplasty (MOP THA). Matched cohorts were selected by retrospective review from a single-center database of revision THAs for failed MOM and MOP THAs from 2010 to 2014. A total of 140 hips in 140 patients comprised the study population; 39 revisions were performed for failed MOM THAs (MOM group), and 101 revisions were performed for failed MOP THAs (MOP group)...
October 25, 2016: Orthopedics
J Schmolders, S Koob, P Schepers, P H Pennekamp, S Gravius, D C Wirtz, R Placzek, A C Strauss
PURPOSE AND OBJECTIVE: Bone resection regarding adequate surgical margins is the treatment of choice for malignant bone tumors. In the case of metastasis-related complications, so-called skeletal-related events, it is highly important to achieve pain relief and a stable joint situation to re-mobilize the patients immediately following surgery. To bridge the often large osseous defect zones after tumor resection, both cemented and uncemented modular endoprosthetic systems are widely used...
October 25, 2016: Archives of Orthopaedic and Trauma Surgery
Indranil Bhattacharya, Chafik Ghayor, Franz E Weber
2500 years ago, Hippocrates realized that bone can heal without scaring. The natural healing potential of bone is, however, restricted to small defects. Extended bone defects caused by trauma or during tumor resections still pose a huge problem in orthopedics and cranio-maxillofacial surgery. Bone tissue engineering strategies using stem cells, growth factors, and scaffolds could overcome the problems with the treatment of extended bone defects. In this review, we give a short overview on bone tissue engineering with emphasis on the use of adipose tissue-derived stem cells and small molecules...
September 2016: Transfusion Medicine and Hemotherapy
Amanda N Fletcher, Agostino Molteni, Rakesh Ponnapureddy, Chirag Patel, Mark Pluym, Alan M Poisner
BACKGROUND: Fat embolism (FE) and the consequent fat embolism syndrome (FES) occurring after trauma or surgery can lead to serious pulmonary injury, including ARDS and death. Current treatment of FES is limited to supportive therapy. We have shown in a rat model that the renin angiotensin system (RAS) plays a significant role in the pathophysiology of FE since drugs interfering with the RAS, captopril and losartan, reduce the histopathologic pulmonary damage. The purpose of the current study was to determine if inhibition of renin by aliskiren, an FDA-approved drug for treating hypertension, would produce effective protection in the same model...
October 25, 2016: Journal of Trauma and Acute Care Surgery
Yohan Cho, Joon Yub Kim, Jai Hyung Park
PURPOSE: The purpose of this study was to analyze the questions in the hip and pelvis section of the Korean Orthopaedic In-Training Examination (KOITE). MATERIALS AND METHODS: We analyzed all KOITE questions pertaining to hip and pelvis surgery between 2010 and 2014. A thorough analysis of the contents was performed after categorizing as tested topics, imaging modalities used, taxonomic classification, and recommended references. We also analyzed the scores of the hip and pelvis section of the KOITE...
September 2016: Hip Pelvis
Navid Alem, Joseph Rinehart, Brian Lee, Doug Merrill, Safa Sobhanie, Kyle Ahn, Ran Schwarzkopf, Maxime Cannesson, Zeev Kain
BACKGROUND: Efforts to mitigate costs while improving surgical care quality have received much scrutiny. This includes the challenging issue of readmission subsequent to hospital discharge. Initiatives attempting to preclude readmission after surgery require planned and unified efforts extending throughout the perioperative continuum. Patient optimization prior to discharge, enhanced disease monitoring, and seamless coordination of care between hospitals and community providers is integral to this process...
2016: Perioperative Medicine
Oksana Lesyuk, Patrick Emmanuel Sousa, Sónia Isabel do Espirito Santo Rodrigues, António Fernando Abrantes, Rui Pedro Pereira de Almeida, João Pedro Pinheiro, Kevin Barros Azevedo, Luís Pedro Vieira Ribeiro
OBJECTIVE: To measure the scattered radiation dose at different positions simulating hip surgery. MATERIALS AND METHODS: We simulated fluoroscopy-assisted hip surgery in order to study the distribution of scattered radiation in the operating room. To simulate the patient, we used a anthropomorphic whole-body phantom, and we used an X-ray-specific detector to quantify the radiation. Radiographs were obtained with a mobile C-arm X-ray system in continuous scan mode, with the tube at 0º (configuration 1) or 90º (configuration 2)...
July 2016: Radiologia Brasileira
Hongyi Shao, Chi-Lung Chen, Mitchell G Maltenfort, Camilo Restrepo, Richard H Rothman, Antonia F Chen
BACKGROUND: Total hip arthroplasty (THA) is one of the most successful orthopedic surgeries performed in the last 50 years. However, controversies still exist between conducting 1- or 2-stage bilateral THA. METHODS: Using PubMed, Ovid, Embase, and Cochrane library databases, we searched for papers written between January 1995 and October 2015 that contained the following search terms: "one-stage or two-stage" or "simultaneous or staged," and "hip" and "arthroplasty or replacement...
September 28, 2016: Journal of Arthroplasty
Niloofar Eslahi, Marjan Abdorahim, Abdolreza Arash Simchi
Stimuli responsive hydrogels (SRHs) are attractive bio-scaffolds for tissue engineering. The structural similarity of SRHs to the extracellular matrix (ECM) of many tissues offers great advantages for a minimally invasive tissue repair. Among various potential applications of SRHs, cartilage regeneration has attracted significant attention. The repair of cartilage damage is challenging in orthopedics owing to its low repair capacity. Recent advances include development of injectable hydrogels to minimize invasive surgery with nanostructured features and rapid stimuli-responsive characteristics...
October 24, 2016: Biomacromolecules
Panupol Rajinda, Sirisomboon Towiwat, Piyawat Chirappapha
PURPOSE: To compare the clinical and radiological outcomes of posterior atlantoaxial fixation and fusion using C1 lateral mass-C2 pedicle screws (screw-rod constructs, SRC) with C1-C2 transarticular screws (TAS). METHODS: A retrospective review was conducted of 105 patients with atlantoaxial instability who underwent posterior C1-C2 fixation and fusion by SRC group (60 pt) and TAS group (45 pt). The follow-up period was minimum 2 years. Clinical outcomes measurements included the Numeric Rating Scale (NRS) for pain assessment, the Neck Disability Index (NDI), the Japanese Orthopedic Association (JOA) score and the American Spinal Injury Association (ASIA) impairment scale for the functional and neurological outcomes that were assessed...
October 22, 2016: European Spine Journal
Christian Tröbinger, Christian J Wiedermann
OBJECTIVE: To describe the association of bodybuilding abdominal exercise with the development of superficial sclerosing thrombophlebitis of the anterolateral thoracoabdominal wall. DESIGN: A single case study. SETTING: University-affiliated regional community hospital. CASE DESCRIPTION: A 54-year-old man presented with an otherwise unremarkable past medical history 4 weeks after the start of left-sided chest discomfort...
September 4, 2016: Physical Therapy in Sport
Xiaodong Li, Maoqun Li, Jiang Li, Weihua Gong, Yuehua Sun, Jian Tang, Xiao Yao, Xiaoqing Wang
The aim of the present study was to investigate glove contamination and perforation rate during traumatic orthopedic surgeries and evaluate the factors affecting glove contamination and perforation. There were significant differences in glove contamination among different surgery stages. In terms of contamination and perforation, there were significant differences between surgeons and assistants (ie, scrub-nurses).
October 18, 2016: American Journal of Infection Control
Philip Tack, Jan Victor, Paul Gemmel, Lieven Annemans
BACKGROUND: Three-dimensional (3D) printing has numerous applications and has gained much interest in the medical world. The constantly improving quality of 3D-printing applications has contributed to their increased use on patients. This paper summarizes the literature on surgical 3D-printing applications used on patients, with a focus on reported clinical and economic outcomes. METHODS: Three major literature databases were screened for case series (more than three cases described in the same study) and trials of surgical applications of 3D printing in humans...
October 21, 2016: Biomedical Engineering Online
Matthew Thomas Sims, Zachary Carter Sanchez, James Murphy Herrington, James Barrett Hensel, Nolan Michael Henning, Caleb Josiah Scheckel, Matt Vassar
INTRODUCTION: With the intent of improving transparency in clinical research, the International Committee of Medical Journal Editors (ICMJE) established guidelines in 2005 regarding prospective clinical trial registration. This action worked to address bias related to selective outcome reporting in the medical literature. The objective of this study was to assess and characterize the quality of registration of clinical trials appearing in shoulder arthroplasty-related medical journals...
2016: PloS One
Z W Teo Wendy, P C Schalock
The use of metals in the medical field has become increasingly prevalent over the past few decades. Patients find themselves being exposed to metals in a variety of ways, ranging from external exposure to instruments such as the stainless steel in surgical blades to internal exposure via medical devices being implanted in their bodies. There has been growing interest in the possibility of developing hypersensitivity reactions to constituent metals in medical implant devices, both in cutaneous and systemic forms...
October 2016: Journal of Investigational Allergology & Clinical Immunology
Faramarz Mosaffa, Seyed Amir Mohajerani, Reza Aminnejad, Ali Solhpour, Shideh Dabir, Gholam Reza Mohseni
BACKGROUND: Preemptive analgesia is the blocking of pain perception afferent pathways before noxious painful stimuli. Clonidine is an alpha agonist drug that is partially selective for α-2 adrenoreceptors. Clonidine is used as anti-anxiety medication and an, analgesic, and it prolongs the duration of the block in the brachial plexus block. OBJECTIVES: To compare the effect of preemptive clonidine with midazolam on intraoperative sedation, duration of block, and postoperative pain scores...
June 2016: Anesthesiology and Pain Medicine
Kingsley O Abode-Iyamah, Stephanus V Viljoen, Colleen L McHenry, Michael A Petrie, Kirsten E Stoner, Nader S Dahdaleh, Nicole M Grosland, Matthew A Howard, Richard K Shields
BACKGROUND: Cervical spondylotic myelopathy (CSM) is a common disease of aging that leads to gait instability resulting from loss of leg sensory and motor functions. The results of surgical intervention have been studied using a variety of methods, but no test has been reported that objectively measures integrative leg motor sensory functions in CSM patients. OBJECTIVE: To determine the feasibility of using a novel single leg squat (SLS) test to measure integrative motor sensory functions in patients with CSM before and after surgery...
November 2016: Neurosurgery
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