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Osteotomy

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https://www.readbyqxmd.com/read/29353372/the-variable-position-of-the-inferior-alveolar-nerve-ian-in-the-mandibular-ramus-a-computed-tomography-ct-study
#1
Andrew Y E Yeh, Brian P Finn, Robert H B Jones, Alastair N Goss
INTRODUCTION: This study was designed to quantify the important anatomical landmarks and the path of the inferior alveolar nerve (IAN) within the human mandibular body and ramus, in particular with reference to the bilateral sagittal split osteotomy (BSSO). MATERIALS AND METHODS: Four hundred and eleven CT scans were studied, 299 of these were involved in determining the position of lingula; and 230 were involved in determining the course of IAN in the mandibular molar region, namely from the mesial of the mandibular first molar to the distal of the mandibular second molar; 118 were involved with both measurements...
January 20, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29352663/early-versus-delayed-closure-of-bladder-exstrophy-a-national-surgical-quality-improvement-program-pediatric-analysis
#2
J J Ahn, M Shnorhavorian, C Katz, A B Goldin, P A Merguerian
INTRODUCTION: Delayed closure of bladder exstrophy has become more popular; however, there is limited the evidence of its success. Existing literature focuses on intermediate and long-term outcomes, and short-term postoperative outcomes are limited by the small number of cases and varying follow-up methods. OBJECTIVE: The objectives of the current study were to: 1) compare 30-day complications after early and delayed closure of bladder exstrophy, and 2) evaluate practice patterns of bladder exstrophy closure...
December 15, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/29352329/the-advantages-of-bilateral-osteotomy-over-unilateral-osteotomy-for-osteoporotic-bone-healing
#3
M Komrakova, J Fiebig, D B Hoffmann, C Krischek, W Lehmann, K M Stuermer, S Sehmisch
Most models of osteoporotic bone fractures are performed unilaterally (UL). We investigated healing of tibia osteotomy performed either UL or bilaterally (BL) in ovariectomized rats. Behavior of animals and muscle structure were assessed. Three-month-old female Sprague-Dawley rats were ovariectomized (n = 32). After 10 weeks, half the rats underwent UL osteotomy of tibia metaphysis (right limb) with plate osteosynthesis. The other rats were osteotomized BL. Half of the rats in each group received either standard pain treatment with carprofen (5 mg/kg body weight (BW), 1x/day for 2 days) or carprofen and buprenorphine (5 mg/kg BW, 1x/day and 0...
January 19, 2018: Calcified Tissue International
https://www.readbyqxmd.com/read/29351637/prospective-multicenter-assessment-of-all-cause-mortality-following-surgery-for-adult-cervical-deformity
#4
Justin S Smith, Christopher I Shaffrey, Han Jo Kim, Peter Passias, Themistocles Protopsaltis, Renaud Lafage, Gregory M Mundis, Eric Klineberg, Virginie Lafage, Frank J Schwab, Justin K Scheer, Emily Miller, Michael Kelly, D Kojo Hamilton, Munish Gupta, Vedat Deviren, Richard Hostin, Todd Albert, K Daniel Riew, Robert Hart, Doug Burton, Shay Bess, Christopher P Ames
BACKGROUND: Surgical treatments for adult cervical spinal deformity (ACSD) are often complex and have high complication rates. OBJECTIVE: To assess all-cause mortality following ACSD surgery. METHODS: ACSD patients presenting for surgical treatment were identified from a prospectively collected multicenter database. Clinical and surgical parameters and all-cause mortality were assessed. RESULTS: Of 123 ACSD patients, 120 (98%) had complete baseline data (mean age, 60...
January 17, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29351046/young-adults-experience-of-appearance-altering-orthognathic-surgery-a-longitudinal-interpretative-phenomenologic-analysis
#5
Morna J Liddle, Sarah R Baker, Keith G Smith, Andrew R Thompson
OBJECTIVE: To gain an experiential account of the processes of change associated specifically with orthognathic surgery. DESIGN: A qualitative design was used. Semistructured interviews were carried out with 7 participants approximately 1 week before and 6-8 weeks after surgery. The data were analyzed using interpretative phenomenologic analysis (IPA). SETTING: Participants were recruited from a NHS Dental Hospital. PARTICIPANTS: Patients aged 16 to 25 years scheduled to undergo orthognathic surgery on both the upper and lower jaws were purposively sought to participate...
February 2018: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/29351034/postoperative-complications-following-lefort-1-maxillary-advancement-surgery-in-cleft-palate-patients-a-5-year-retrospective-study
#6
Isabelle Moran, Satnam Virdee, Ian Sharp, Jagdeep Sulh
OBJECTIVE: To investigate the postoperative complication rates of LeFort 1 maxillary advancement surgery in cleft patients when performed by a single surgeon over a 5-year period. DESIGN: A retrospective case note review of 79 cleft palate patients. SETTING: All surgery was performed by a single oral and maxillofacial surgeon in a tertiary care center. PARTICIPANTS: All cleft palate patients over 17 years of age who opted for surgical correction of maxillary hypoplasia with a LeFort 1 between 2010 and 2015...
February 2018: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/29350594/determinants-of-perioperative-transfusion-risk-in-patients-with-adult-spinal-deformity
#7
Varun Puvanesarajah, Sandesh S Rao, Hamid Hassanzadeh, Khaled M Kebaish
OBJECTIVE To determine predictors of perioperative allogeneic packed red blood cell (pRBC) transfusion requirement (total units transfused) in patients with adult spinal deformity (ASD). METHODS The authors retrospectively analyzed records of patients aged 18 years or older who underwent surgical correction of ASD that involved 4 or more spinal levels by the same spine surgeon between 2010 and 2016. Data regarding patient characteristics, comorbidities, surgical factors, and perioperative transfusions (up to 10 days after surgery) were analyzed using a linear regression model...
January 19, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29349993/-accurate-osteotomy-assisted-by-individualized-navigation-templates-for-the-treatment-of-children-cubitus-varus
#8
Peng-Fei Zheng, Jie Chen, Xu Peng Xux, Bo Jiang, Qing-Qiang Yao, Li-Ming Wang
OBJECTIVE: To investigate the feasibility and accuracy of a new navigation template for osteotomy in cubitus varus based on computer assistant design and 3D printing technology. METHODS: The preoperative CT images of 15 children with cubitus varus from June 2015 to June 2016 were collected. According to the above data, the individual osteotomy navigate template match the distal humerus was designed by the software and printed by the 3D printer. Accurate osteotomy was performed with the assistant of the navigate template in the operation...
April 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29349981/-clinical-results-in-early-and-mid-term-of-using-the-s-rom-femoral-stem-in-revision
#9
Shang Piao, Yong-Gang Zhou, Yin-Qiao Du, Hai-Yang Ma, Jing-Yang Sun, Zhi-Sen Gao, Ya-Wen Peng, Wen-Ming Wu
OBJECTIVE: To investigate and the clinical effect of S-ROM modular stem in femur reconstruction in hip revision arthroplasty. METHODS: From January 2008 to January 2016, 21 patients received revision hip arthroplasties using S-ROM stems. There were 5 males and 16 females with an average of 48.33 years old(range, 29 to 73 years old). There were 13 cases caused by aseptic loosening, 4 cases by infection, 2 cases by nonunion of sub-tuberosity osteotomy, 1 case for repeated dislocation, 1 case for traumatic great trochanter fracture...
April 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29349978/-correlation-of-medial-compartmental-joint-line-elevation-with-femorotibial-angle-correction-and-clinical-function-after-unicompartmental-arthroplasty
#10
Zhan-Feng Zhang, Dan Wang, Ji-Kang Min
OBJECTIVE: To study the correlation of postoperative femorotibial angle with medial compartmental joint line elevation after unicompartmental arthroplasty(UKA), as well as the correlation of joint line elevation with the clinical function by measuring radiological joint line. METHODS: A retrospective study of 56 patients from July 2012 to August 2015 was performed. The mean body mass index (BMI) was 23.5 (ranged, 18.3 to 30.1). The standing anteroposterior radiographs of these patients were assessed both pre-and post-operatively, and the knee function was evaluated according to HSS grading...
April 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29349973/-progress-on-surgical-treatment-for-femoral-head-preservering-in-the-precollapse-stage-of-femoral-head-necrosis
#11
REVIEW
Yi-Heng Ye, Kai Chen, Ke-Ke Jin, Yi-Fan Zhang, Lei Chen
Osteonecrosis of the femoral head(ONFH), a refractory disease characterized by death of the osteocytes and the bone marrow due to inadequate blood supply caused by various mechanisms, usually leads to the collapse of the femoral head and malfunction of the hip joint. The crux is to diagnose ONFH early in the precollapse stage and prevent subsequent progression of collapsing through early interventions, thus delaying or avoiding the replacement of the hip joint. A number of joint salvaging operation treatments for early stage ONFH are available...
March 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29349972/-current-therapy-progress-on-the-recurrent-patellar-dislocation
#12
REVIEW
Wan-Quan Cao, Zi-Quan Yang, Gang Wang, Ya-Xun Men, Xiang-Yun Cheng
Patients who suffer from the recurrent patellar dislocation mainly show the recurrent dislocation of patellar, giving way, most patients have the history of trauma or dysplasia of keen joint. Traditional therapies of recurrent patellar dislocation include medical retinaculum placation, lateral retinaculum release, tibial tubercle osteotomy, femoral trochleoplasty etc. In recent years, with the development of anatomical and biomechanical researches on medial patellofemoral ligament(MPFL), more and more experts focus on the role of MPFL played in preventing the patellar dislocation...
March 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29349052/malar-relocation-with-reverse-l-osteotomy-and-autogenous-bone-graft
#13
Se Hoon Yoon, Euicheol Jeong, Jee Hyeok Chung
The zygomaticomaxillary complex (ZMC) functions as a buttress for the face and is the cornerstone to a person's aesthetic appearance, by both setting the midfacial width and providing prominence to the cheek. Malar deficiency is often acquired by blunt injury incurred in a traumatic accident, resulting in ZMC fracture. A 48-year-old male patient presented a right ZMC fracture after contusion injury by a baseball. He only received conservative management and later he suffered discomfort during mouth opening at the moment of mastication, due to trismus involving the temporomandibular joint...
December 2017: Archives of Craniofacial Surgery
https://www.readbyqxmd.com/read/29349031/modified-elmslie-trillat-procedure-for-distal-realignment-of-patella-tendon
#14
Ricardo Bastos Filho, Alberto Monteiro, Renato Andrade, M J S Fredrick Michael, Nuno Sevivas, Bruno Pereira, André Sarmento, João Espregueira-Mendes
Patellofemoral dysfunction, due to either a patellofemoral malalignment or patellar instability, is a complex and debilitating condition that significantly decreases the knee function. Conservative management may yield significant clinical outcomes; however, when morphologic anomalies are identified, the surgical approach should be employed. Hence, several surgical procedures have been described in the scientific literature aiming the correction of underlying extensor mechanism malalignments. Still, the rate of complications is higher than desirable...
December 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29349013/open-wedge-valgus-high-tibial-osteotomy-technique-with-inverted-l-shaped-configuration
#15
Juan C Monllau, Juan I Erquicia, Federico Ibañez, Maximiliano Ibañez, Pablo E Gelber, Angel Masferrer-Pino, Xavier Pelfort
High tibial osteotomy (HTO) is a useful alternative in the treatment of symptomatic varus malalignment. However, among its drawbacks is the tendency to decrease patellar height and increase the posterior tibial slope. The increased tibial slope increases anterior cruciate ligament tension and may compromise its function. On the other hand, patella baja often causes anterior knee pain and, over time, may favor degeneration of the patellofemoral joint. The aim of this study is to describe a technical modification of the standard open-wedge HTO...
December 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29349001/medial-closing-wedge-distal-femoral-osteotomy-with-medial-patellofemoral-ligament-imbrication-for-genu-valgum-with-lateral-patellar-instability
#16
Orlando D Sabbag, Jarret M Woodmass, Isabella T Wu, Aaron J Krych, Michael J Stuart
A varus-producing distal femoral osteotomy (DFO) is an effective technique for the treatment of lateral patellar instability (LPI) in patients with concomitant moderate to severe valgus malalignment. Patellar maltracking and subluxation are corrected via neutralization of some of the laterally directed forces on the patella due to the valgus deformity. This can be accomplished with a distal femoral lateral opening-wedge or medial closing-wedge osteotomy and medial soft tissue stabilization. A medial closing-wedge osteotomy offers the advantages of immediate weight bearing and a single incision in cases requiring patellofemoral soft tissue stabilization...
December 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29345504/development-of-the-hoosglobal-to-assess-patient-reported-outcomes-in-patients-undergoing-hip-preservation-procedures
#17
Cale A Jacobs, Michael R Peabody, Stephen T Duncan, Ryan D Muchow, Ryan M Nunley, John C Clohisy, Paul E Beaule, Young Jo Kim, Michael B Millis, David A Podeszwa, Perry L Schoenecker, Rafael J Sierra, Ernest L Sink, Daniel J Sucato, Robert T Trousdale, Ira Zaltz
BACKGROUND: The creation of a single patient-reported outcome (PRO) platform validated across hip preservation, osteoarthritis (OA), and total hip arthroplasty (THA) populations may reduce barriers and streamline the routine collection of PROs in clinical practice. As such, the purpose of this study was to determine if augmenting the Hip disability and Osteoarthritis Outcome Score-Joint Replacement (HOOS, JR) with additional HOOS questions would result in a PRO platform that could be used across a wider spectrum of hip patient populations...
January 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29340746/similar-clinical-outcomes-following-collagen-or-polyurethane-meniscal-scaffold-implantation-a-systematic-review
#18
REVIEW
Darby A Houck, Matthew J Kraeutler, John W Belk, Eric C McCarty, Jonathan T Bravman
PURPOSE: The purpose of this systematic review is to evaluate the current literature in an effort to assess specific clinical outcomes following meniscal scaffold implantation using the two available scaffolds: Collagen Meniscal Implant (CMI) and the Actifit polyurethane meniscal scaffold. METHODS: A systematic review was performed by searching PubMed, Embase, and Cochrane Library to find studies evaluating clinical outcomes of patients undergoing meniscal scaffold implantation...
January 16, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29340611/treatment-of-nasal-deviation-with-underlying-bony-asymmetry-secondary-to-augmentation-rhinoplasty-in-asian-patients
#19
Po-Ching Lee, Ray-Hon Chang, Yean-Lu Chang
Background: In Asian patients, nasal deviation secondary to augmentation rhinoplasty may result from underlying bony asymmetry that was not corrected intraoperatively. Diagnosis and treatment of this condition are complicated by the masking effect of dorsal implants. Objectives: The authors applied computed tomography (CT) to examine the causes of nasal deviation after augmentation rhinoplasty. CT results were utilized in preoperative planning for revisional surgery...
January 11, 2018: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/29339002/development-of-a-new-three-directional-distractor-system-for-the-correction-of-maxillary-transverse-and-sagittal-deficiency
#20
Canay Yılmaz Asan, Nükhet Kütük, Gökmen Kurt, Alper Alkan
PURPOSE: Class 3 malocclusions with maxillary deficiency, which are treated surgically and/or ordonotically, are common among adult patients. The aim of this study was to develop a three-directional bone-borne distractor that would allow the transverse expansion and sagittal advancement of the maxilla simultaneously. MATERIALS AND METHODS: Computed tomography images of a patient with maxillary deficiency were transmitted to a software program, and a distractor was designed with different sizes (D1, D2, D3) and manufactured from titanium alloy...
December 18, 2017: Journal of Cranio-maxillo-facial Surgery
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