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less invasive stabilization system

Sei Yano, Yasuchika Aoki, Atsuya Watanabe, Takayuki Nakajima, Makoto Takazawa, Hiroyuki Hirasawa, Kazuhisa Takahashi, Koichi Nakagawa, Arata Nakajima, Hiroshi Takahashi, Sumihisa Orita, Yawara Eguchi, Takane Suzuki, Seiji Ohtori
Pelvic ring fractures are defined as life-threatening injuries that can be treated surgically with external or internal fixation. The authors report on an 81-year-old woman with an unstable pelvic fracture accompanying multiple traumas that was successfully treated with a less invasive procedure. The patient was injured in a traffic accident and sustained a total of 20 fractures, including pelvic ring, bilateral rib, and lumbar transverse processes fractures, and multiple fractures of both upper and lower extremities...
October 7, 2016: Journal of Neurosurgery. Spine
G Rossini, B Vinci, R Rizzo, T M DaC Pinho, A Deregibus
Mandibular distraction osteogenesis (MDO) has been widely adopted in modern maxillofacial surgery due to its less invasive approach and the consistent aesthetic and functional improvements obtained. The aim of the present systematic review was to analyze the available evidence on the skeletal and soft tissue effects of MDO. The medical literature was searched to identify all peer-reviewed papers meeting the selection criteria for the final review process. A three-point grading system was used to rate the methodological quality of the selected papers...
November 2016: International Journal of Oral and Maxillofacial Surgery
Longxiang Shen, Xiaolin Li, Tao Wang, Congfeng Luo, Bingfang Zeng, Jian Ding
INTRODUCTION: The reverse less invasive stabilization system (LISS) for the distal femur remains generally regarded as a safe and satisfactory option for the treatment of unstable proximal femoral fractures. The polyaxial LISS provides a reverse plating technique that leverages the advantages of proximal screws by allowing the adjustable locking screw to be better positioned and providing more reliable fixation on the proximal femur compared with the standard axial LISS. To assess this fixation method, a detailed evaluation of institutional outcomes of femoral intertrochanteric fractures treated with reverse polyaxial LISS was performed...
November 2016: Archives of Orthopaedic and Trauma Surgery
Bianca R Charbonneau, John P Wnek, J Adam Langley, Gina Lee, Ronald A Balsamo
Coastal regions are inherently and increasingly vulnerable and geomorphologically unstable, yet are invaluable economic and residential hubs. Dunes are dynamic buffers to erosion and the most natural, economical, and effective defense for coastal communities. Vegetation is integral to dune structure as it facilitates accretion and stabilization. Differences in the vegetation and root density likely translate to variability in coastal erosion prevention, but this notion has been largely unconsidered. We directly compared stabilizing factors, depth and density, of the root systems of two dominant mid-Atlantic dune plant species, native American beach grass (Ammophila breviligulata) and invasive Asiatic sand sedge (Carex kobomugi)...
November 1, 2016: Journal of Environmental Management
Jiang-Ying Ru, Yu Cong, Dai Shi, Yang-Hu Lu, Yun-Fei Niu, Hai-Dong Xu
OBJECTIVE: To explore the indications and efficacy of augmentative locking compression plate (LCP) or less invasive stabilization system (LISS)with autogenous bone grafting (BG) in treating distal femoral nonunion subsequent to failed retrograde intramedullary nailing (RIN). METHODS: A retrospective study was performed for 21 patients with distal femoral nonunion subsequent to failed RIN, who received therapy with either augmentative LCP (n = 11) or LISS with autogenous BG (n = 13)...
August 2016: Acta Orthopaedica et Traumatologica Turcica
Achal Singh Achrol, Gary K Steinberg
Cerebral aneurysms are common vascular lesions. Little is known about the pathogenesis of these lesions and the process by which they destabilize and progress to rupture. Treatment decisions are motivated by a desire to prevent rupture and the devastating morbidity and mortality associated with resulting subarachnoid hemorrhage (SAH). For patients presenting with SAH, urgent intervention is required to stabilize the lesion and prevent re-rupture. Those patients fortunate enough to survive a presenting SAH and subsequent securing of their aneurysm must still face a spectrum of secondary sequelae, which can include cerebral vasospasm, delayed ischemia, seizures, cerebral edema, hydrocephalus, and endocrinologic and catecholamine-induced systemic dysfunction in cardiac, pulmonary, and renal systems...
2016: Frontiers in Surgery
Shih-Jie Lin, Kuo-Chin Huang, Po-Yao Chuang, Chien-Yin Lee, Tsan-Wen Huang, Mel S Lee, Robert Wen-Wei Hsu
BACKGROUND: The Russel-Taylor type 2B fractures compromised the trochanteric region and medial buttress of proximal femur. This fracture pattern limits the choice of implants and raises the risk of adverse outcomes. We aimed to (i) determine the outcome of Russel-Taylor type 2B fractures treated using reverse less invasive stabilization system plates (LISS-DF) and to (ii) learn what factors affected outcomes after osteosynthesis with reverse LISS plates. DESIGN: A retrospective study SETTING: The study was conducted at a Level III trauma center in Taiwan...
October 2016: Injury
Jie Li, Chao Ma, Yiming Li, Guangwang Liu, Dong Wang, Weixiang Dai, Jiwei Tian
OBJECTIVE: To compare the preliminary clinical outcomes of percutaneous transforaminal endoscopic discectomy (PTED) and fenestration discectomy (FD) for lumbar disc herniation in the adolscents and further to summarize the clinical experience. METHODS: The data of 56 patients with single segment lumbar disc herniation who were adopted by our department from January 2011 to December 2013 were retrospectively studied. All patients were divided into 2 groups, including 30 patients undergoing PTED and 26 patients undergoing FD respectively...
December 15, 2015: Zhonghua Yi Xue za Zhi [Chinese medical journal]
Giulia Cancian, Gianluca Tozzi, Amirul Ashraf Bin Hussain, Arianna De Mori, Marta Roldo
Age related bone diseases such as osteoporosis are considered among the main causes of reduced bone mechanical stability and bone fractures. In order to restore both biological and mechanical function of diseased/fractured bones, novel bioactive scaffolds that mimic the bone structure are constantly under development in tissue engineering applications. Among the possible candidates, chitosan-based thermosensitive hydrogel scaffolds represent ideal systems due to their biocompatibility, biodegradability, enhanced antibacterial properties, promotion of osteoblast formation and ease of injection, which makes them suitable for less invasive surgical procedures...
August 2016: Journal of Materials Science. Materials in Medicine
Kai-Hua Zhou, Cong-Feng Luo, Nong Chen, Cheng-Fang Hu, Fu-Gen Pan
BACKGROUND: The incidence of pelvic fractures in trauma patients is reported to be 3-8.2%, with roughly half of these fractures being caused by high energy injuries with a potential for catastrophic hemorrhage and death. Indications for internal fixation of anterior pelvic ring are controversial. Because of fears of disturbing the pelvic hematoma and causing additional hemorrhage, open reduction and internal fixation of pelvic ring disruption is routinely delayed. In contrast to conventional surgery, percutaneous screw fixation is gaining popularity in the treatment of pelvic and acetabular fractures mainly because of minimal soft tissue damage, less operative blood loss, early surgical intervention and comfortable mobilization of the patient...
May 2016: Indian Journal of Orthopaedics
Stephan Brand, Michael Bauer, Maximilian Petri, Julian Schrader, Hans J Maier, Christian Krettek, Thomas Hassel
Treatment of periprosthetic femur fractures after total hip arthroplasty remains a major challenge in orthopedic surgery. Recently, a novel surgical technique using intraprosthetic screw fixation has been suggested. The purpose of this study was to evaluate the influence of drilling the femoral hip stem on integrity and strength of the implant. The hypothesis was that intraprosthetic drilling and screw fixation would not cause the load limit of the prosthesis to be exceeded and that deformation would remain within the elastic limit...
July 2016: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
(no author information available yet)
OBJECTIVES: We compared the postoperative complication rates between the less invasive stabilization system (LISS) plating and locking compression plate for open and closed distal femoral fracture fixation for superiority. DESIGN: Retrospective Review. SETTING: Multicenter. PARTICIPANTS: Patients identified through a hospital database who were treated for supracondylar femur fractures using LISS or LCP techniques between January 2005 and July 2010...
June 2016: Journal of Orthopaedic Trauma
Caroline E Gargett, Shanti Gurung
No abstract text is available yet for this article.
June 2016: Biology of Reproduction
Roberto Gazzeri
The need for spinal fixation in patients who cannot tolerate classical open surgery has led in recent years to the development of minimally invasive approaches. The use of percutaneous pedicle screw fixation offers several advantages, such as less blood loss and postoperative pain due to blunt separation of the muscles with reduction of soft tissue dissection. Medical records and demographic information, diagnosis, and preoperative pain levels of 63 patients who underwent percutaneous minimally invasive thoracolumbar spine stabilization using the Illico® Fixation System (Alphatec Spine, Carlsbad, California) were analysed: a total of 344 screws were implanted...
April 2016: Surgical Technology International
Çağrı Özcan, Sami Sökücü, Kubilay Beng, Engin Çetinkaya, Bilal Demir, Yavuz Selim Kabukçuoğlu
INTRODUCTION: The aim of this study was to compare the radiological and functional results of two different methods of fixation for the correction of femoral valgus deformities. METHODS: Patients who had undergone osteotomy and correction of a valgus deformity from 2007 to 2013 were prospectively followed. Thirty three patients (20 females, 13 males) with 39 lower limbs were included in the study. Seventeen lower limbs were treated with retrograde intramedullary nailing (IMN) and 22 with less invasive stabilization system plating...
April 14, 2016: International Orthopaedics
Xuan Jiang, Ying Wang, XinLong Ma, JianXiong Ma, Chen Wang, ChengBao Zhang, Zhe Han, Lei Sun, Bin Lu
The aim of this study was to compare the effectiveness and safety of 2 surgical techniques that are used to treat proximal femoral fractures.A systematic literature search (up to December 2014) was conducted in Medline, Embase, PubMed, and The Cochrane Central Register of Controlled Trials to screen for studies comparing proximal femoral nail antirotation (PFNA) with less invasive stabilization system-distal femur (LISS-DF) for proximal femoral fractures. Two authors independently assessed the methodological quality of the included studies and extracted data...
April 2016: Medicine (Baltimore)
Narender Kumar Magu, Rajesh Rohilla, Amanpreet Singh, Jitendra Wadhwani
BACKGROUND: Displaced fractures of the acetabulum are best treated with anatomical reduction and rigid internal fixation. Adequate visualization of some acetabular fracture types may necessitate extensile or combined anterior and posterior approaches. Simultaneous anterior iliofemoral and posterior Kocher-Langenbeck (K-L) exposures with two surgical teams have also been described. To assess whether modified Kocher-Langenbeck (K-L) approach can substitute standard K-L approach in the management of elementary acetabular fractures other than the anterior wall and anterior column fractures and complement anterior surgical approaches in the management of complex acetabular fractures...
March 2016: Indian Journal of Orthopaedics
Juri A Steiner, Stephen J Ferguson, G Harry van Lenthe
Secure fracture fixation is still a major challenge in orthopedic surgery, especially in osteoporotic bone. While numerous studies have investigated the effect of implant loading on the peri-implant bone after screw insertion, less focus has been put on bone damage that may occur due to the screw insertion process itself. Therefore, the aim of this study was to localize and quantify peri-implant bone damage caused by screw insertion. We used non-invasive three-dimensional micro-computed tomography to scan twenty human femoral bone cores before and after screw insertion...
April 2016: Medical Engineering & Physics
Lufeng Zhang, Zhongqi Cui, Zhiming Song, Hang Yang, Yuanhao Fu, Yichen Gong, Yunpeng Ling
INTRODUCTION: Minimally invasive direct coronary artery bypass (MIDCAB) grafting is performed via small, left anterolateral thoracotomy. The left internal mammary artery was grafted to the left anterior descending (LAD) artery in 300 consecutive patients. AIM: In-hospital results were evaluated and compared with the conventional, off-pump coronary artery bypass graft procedure. MATERIAL AND METHODS: One hundred and sixty-three (54.33%) of 300 patients underwent staged hybrid coronary revascularization, 93 (31%) were treated for a single LAD lesion, and 44 (14...
January 2016: Wideochirurgia i Inne Techniki Mało Inwazyjne, Videosurgery and Other Miniinvasive Techniques
Jason C Tank, Prism S Schneider, Elizabeth Davis, Matthew Galpin, Mark L Prasarn, Andrew M Choo, John W Munz, Timothy S Achor, James F Kellam, Joshua L Gary
OBJECTIVES: To document the high failure rate of a specific implant: the Synthes Variable Angle (VA) Locking Distal Femur Plate. DESIGN: Retrospective. SETTING: Urban University Level I Trauma Center. PATIENT/PARTICIPANTS: All distal femur fractures (OTA/AO 33-A, B, C) treated from March 2011 through August 2013 were reviewed from our institutional orthopaedic trauma registry. Inclusion criteria were fractures treated with a precontoured distal femoral locking plate and age between 18 and 84...
January 2016: Journal of Orthopaedic Trauma
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