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Orthopaedics & Traumatology, Surgery & Research: OTSR

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https://www.readbyqxmd.com/read/28344117/learning-the-skills-needed-to-perform-shoulder-arthroscopy-by-simulation
#1
Pierre-Sylvain Marcheix, Guillaume Vergnenegre, François Dalmay, ChristianMabit, Jean-Louis Charissoux
INTRODUCTION: Simulation for arthroscopy helps surgical trainees develop their surgery skills in a safe environment. This teaching technique has become more widespread in recent years because of the need to provide surgeons in training with an alternative to the current methods. We hypothesized that a resident in surgery could acquire the skills needed to perform arthroscopic shoulder surgery by working on a simulator. MATERIAL AND METHODS: The study was conducted over a 4-month period from June to September 2016...
March 23, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28342821/correction-of-axial-deformity-during-lengthening-in-fibular-hypoplasia-hexapodal-versus-monorail-external-fixation
#2
Antoine Chalopin, Loïc Geffroy, Sébastien Pesenti, Antoine Hamel, Franck Launay
INTRODUCTION: Childhood fibular hypoplasia is a rare pathology which may or may not involve limb-length discrepancy and axial deformity in one or more dimensions. The objective of the present study was to compare the quality of the axial correction achieved in lengthening procedures by hexapodal versus monorail external fixators. The hypothesis was that the hexapodal fixator provides more precise correction. MATERIAL AND METHODS: A retrospective multicenter study included 52 children with fibular hypoplasia...
March 22, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28342820/injury-of-the-obturator-nerve-in-the-modified-stoppa-approach-for-acetabular-fractures
#3
Ji Wan Kim, Hyun Chul Shon, Jai Hyung Park
INTRODUCTION: The modified Stoppa approach for acetabular fractures has become popular. However, the possibility of injury to the obturator nerve with this approach has not been sufficiently considered. We have experienced a case of nerve entrapment in severely displaced fractures. Therefore we performed a retrospective study to: 1) evaluate the incidence of obturator nerve injury in the modified Stoppa approach for acetabular fractures, 2) analyze the relationship between the extent of displacement of the quadrilateral plate and injury to the obturator nerve HYPOTHESIS: We hypothesized that obturator nerve injury would be related to a marked medial displacement of the quadrilateral plate PATIENTS AND METHODS: We conducted a retrospective cohort study of 22 patients with acetabular fractures that were surgically treated with the modified Stoppa approach...
March 22, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28342819/ankylosis-of-the-knee-after-septic-arthritis-following-anterior-cruciate-ligament-reconstruction-in-a-13-year-old-male
#4
Bastian Mester, Falk Ullerich, Tobias Ohmann, Martin Glombitza, Christian Schoepp
We present the case of an adolescent male developing anankylosis of the knee after septic arthritis following anterior cruciate ligamentreconstruction (ACLR).The patientwas shifted to our institutionwithpostoperative septic arthritis associated with a systemic septic condition. Before, repeated arthroscopic surgery had beenconductedwithoutany improvement. MRI showed a concomitant osteomyelitis. The infection (Gächter IV, S. aureus) was controlled by an open surgical approach and graft removal.An increasing joint stiffness wasdocumented...
March 22, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28342818/intraneural-microcystic-lymphatic-malformation-of-the-ulnar-nerve-at-the-guyon-canal-unusual-cause-of-ulnar-pain-in-a-child
#5
I González Pérez, F Corella Montoya, I Casado Fariñas
We present a case of an unusual cause of ulnar pain on a 9 years old patient. The patient had pain on the ulnar side of the wrist after a fall. MRI showed a poorly defined lesion on the ulnar nerve at Guyońs canal. The initial diagnosis was traumatic neuropathy. Following conservative treatment of symptoms for one year, the pain started again. Therefore, a new MRI was performed were progression of the lesion was observed. Excision of the lesion was performed and the specimen sent for pathologic analysis. The diagnosis was of microcystic lymphatic malformation...
March 22, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28341184/global-fit-concept-in-revision-hip-arthroplasty-for-cementless-press-fit-femoral-stems
#6
F Canovas, P LeBeguec, J Batard, F Gaillard, L Dagneaux
A revision stem may be required after a femoral extended trochanteric osteotomy (ETO) is made during revision hip arthroplasty. The two main complications of straight cementless femoral stems are subsidence due to inadequate osteointegration and stress-shielding. We will describe an original revision method with ETO that uses a straight cementless stem. The goal of this method was to achieve the most extensive press-fit possible during stem implantation to improve the transmission of stresses to the bone and to prevent reduction in bone density...
March 21, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28341183/transfer-of-extensor-digiti-minimi-and-extensor-carpi-ulnaris-nerve-branches-to-the-intrinsic-motor-nerve-branches-a-histological-study-on-cadaver
#7
Hamid Namazi, Shahin HajiVandi
BACKGROUND: In cases of high ulnar and median nerve palsy, result of nerve repair in term of intrinsic muscle recovery is unsatisfactory. Distal nerve transfer can alleviate the regeneration time and improve the results. Transfer of the extensor digiti minimi (EDM) and extensor carpi ulnaris (ECU) nerve branches to the deep branch of ulnar nerve (DBUN)/ recurrent branch of median nerve (RMN) at wrist had been used to restore intrinsic hand function but, incomplete recovery occured. The axon count at the donor nerve has a strong influence on the final results...
March 21, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28336328/bone-healing-is-achievable-despite-extensive-wound-dehiscence-and-wide-plate-and-screws-exposure-in-children
#8
Elias Melhem, Wael Bayoud, Ismat Ghanem
BACKGROUD: Extensive wound dehiscence and wide plate and screw exposure in the early weeks following orthopaedic surgery in children is usually managed either by extensive debridement, lavage and secondary closure or hardware removal and external fixation. PATIENTS: Three children with LCP plate and screws exposure were managed by simple repetitive debridement and local wound care without any IV antibiotics, nor secondary closure or hardware removal. All three cases occurred in the tibia, one following tibial osteotomy in lateral hemimelia with a long history of previous surgeries, one following wide excision of a tibial Ewing sarcoma with chemo and radiotherapy, and the third following wide excision of a 12cm necrotic tibial segment due to chronic osteomyelitis...
March 20, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28330800/tourniquet-and-closed-suction-drains-in-total-knee-arthroplasty-no-beneficial-effects-on-bleeding-management-and-knee-function-at-a-higher-cost
#9
David Yin, JoséeDelisle, AndreeaBanica, Andrea Senay, Pierre Ranger, G Yves Laflamme, Jiang Jun, Julio Fernandes
BACKGROUND: Blood loss is a major concern in total knee arthroplasty (TKA) along with postoperative knee function. The present study explores the impact of tourniquet (T) and closed-suction drains (D) on these parameters in TKA. MATERIALS AND METHODS: A prospective study was conducted on 111 patients admitted for TKA. Subjects were divided into three groups: 36 in group T+D+, 42 in T-D+ and 33 in T-D- (where T+: prolonged tourniquet use, T-: cementation-only tourniquet, D+: closed-suction drain use, and D-: no drain)...
March 19, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28330798/knee-osteoarthritis-degenerative-meniscal-lesion-and-osteonecrosis-of-the-knee-can-a-simple-gait-test-direct-us-to-a-better-clinical-diagnosis
#10
Ronen Debi, Avi Elbaz, Amit Mor, Gadi Kahn, Bezalel Peskin, Yiftah Beer, Gabriel Agar, Guy Morag, Ganit Segal
INTRODUCTION: The purpose of the current study was to compare the gait patterns in patients with three differing knee pathologies - knee osteoarthritis (OA), degenerative meniscal lesion (DML) and spontaneous osteonecrosis of the knee (SONK) and a group of healthy controls. HYPOTHESIS: A simple gait test will detect differences between different knee pathologies. MATERIAL AND METHODS: Forty-seven patients with bilateral knee OA, 47 patients with DML, 28 patients with SONK and 27 healthy controls were included in this analysis...
March 19, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28330797/flexible-intramedullary-nailing-for-treatment-of-proximal-humeral-and-humeral-shaft-fractures-in-children-a-retrospective-series-of-118-cases
#11
Zenon Pogorelić, Sanja Kadić, Klaudio Pjer Milunović, Irena Pintarić, Miro Jukić, Dubravko Furlan
BACKGROUND: The aim of this study was to analyze outcomes of treatment and complications in children treated with flexible intramedullary nailing (FIN) due to humeral fracture. HYPOTHESIS: The FIN for treatment of humeral fractures in children would allow an early functional and cast-free follow-up with a quick pain reduction and low complication rate. PATIENTS AND METHODS: From May 2002 until May 2016 case records of all children who underwent fixation with titanium intramedulary nails because of humeral fracture were retrospectively reviewed...
March 19, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28330796/chronic-low-back-pain-after-lumbosacral-fracture-due-to-sagittal-and-frontal-vertebral-imbalance
#12
L Boyoud-Garnier, M Boudissa, S Ruatti, G Kerschbaumer, P Grobost, J Tonetti
PROBLEM AND HYPOTHESIS: Over time, some patients with unilateral or bilateral lumbosacral injuries experience chronic low back pain. We studied the sagittal and frontal balance in a population with these injuries to determine whether mismatch in the pelvic and lumbar angles are associated with chronic low back pain. PATIENTS AND METHODS: Patients with posterior pelvic ring fractures (Tile C1, C2, C3 and A3.3) that had healed were included. Foreign patients and those with an associated spinal or acetabular fracture or nonunion were excluded...
March 19, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28330799/from-radiographs-to-3d-printing-how-can-new-surgical-planning-technologies-contribute-to-hip-surgery
#13
EDITORIAL
Xavier Flecher, Henri Migaud
No abstract text is available yet for this article.
March 18, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28323248/accuracy-and-reproducibility-of-preoperative-three-dimensional-planning-for-total-hip-arthroplasty-using-biplanar-low-dose-radiographs-a-pilot-study
#14
Didier Mainard, Olivier Barbier, Yohann Knafo, Rémi Belleville, Laurence Mainard-Simard, Jean-Baptiste Gross
BACKGROUND: In total hip arthroplasty (THA), the acetabular cup and femoral stem must be correctly sized and positioned to avoid intraoperative and postoperative complications, achieve good functional outcomes and ensure long-term survival. Current two-dimensional (2D) techniques do not provide sufficient accuracy, while low-dose biplanar X-rays (EOS) had not been assessed in this indication. Therefore we performed a case-control study to: 1) evaluate the prediction of stem and cup size for a new 3D planning technique (stereoradiographic imaging plus 3D modeling) in comparison to 2D templating on film radiographs and 2) evaluate the accuracy and reproducibility of this 3D technique for preoperative THA planning...
March 16, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28323247/changes-of-the-bone-structure-after-cap-resurfacing-arthroplasty-of-thehumeral-head
#15
Lars V von Engelhardt, Michael Hahn, Thorsten Schulz, Klaus Peikenkamp, Joerg Jerosch
INTRODUCTION: Although humeral head resurfacing with a cap is relatively common in clinical practice, clinical studies about the changes of the bone are rare. The aim of this study was to analyse qualitative and quantitative changes of the bone after cup arthroplasty. Our hypothesis is that the implant leads to a new functional load with remarkable changes of the bone underneath the cap. MATERIAL AND METHODS: Overall, 12 explanted caps with adherent bone tissues, retrieved at the revision surgery, were collected for histological examination...
March 16, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28300706/tapered-stems-one-third-proximally-coated-have-higher-complication-rates-than-cylindrical-two-third-coated-stems-in-patients-with-high-hip-dislocation-undergoing-total-hip-arthroplasty-with-step-cut-shortening-osteotomy
#16
Vahit Emre Ozden, Goksel Dikmen, Burak Beksac, Ismail Remzi Tozun
BACKGROUND: The results of cementless stems in total hip arthroplasty (THA) done because of congenital dislocation with step-cut osteotomy is not well known, particularly the influence of the design and the role of extent of porous coating. Therefore we performed a retrospective study to evaluate the mid to long-term results THA performed with a single type acetabular component and different geometry and fixation type stems with ceramic bearings in the setting of step-cut subtrochanteric osteotomy in high hip dislocated (HHD) patients...
March 11, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28300705/comparison-of-wear-rate-and-osteolysis-between-second-generation-annealed-and-first-generation-remelted-highly-cross-linked-polyethylene-in-total-hip-arthroplasty-a-case-control-study-at-a-minimum-of-five-years
#17
Ryohei Takada, Tetsuya Jinno, Daisuke Koga, Kazumasa Miyatake, Takeshi Muneta, Atsushi Okawa
BACKGROUND: There is no previous report that directly compared wear resistance of second-generation annealed highly cross-linked polyethylene with that of first-generation remelted highly cross-linked polyethylene. We therefore performed a retrospective study at a minimum of 5-year follow-up comparing second-generation annealed and first-generation remelted highly cross-linked polyethylene in order to: (1) assess wear rates and (2) compare the incidence of osteolysis between, (3) identify the frequency of complication related to the two types of highly cross-linked polyethylene...
March 11, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28300704/the-further-exploration-of-hidden-blood-loss-in-posterior-lumbar-fusion-surgery
#18
Derong Xu, Zhinan Ren, Xin Chen, Qianyu Zhuang, Shangyi Hui, Lin Sheng, Shugang Li
PURPOSE: Hidden blood loss (HBL) plays an important role in lumbar fusion surgery.However, there was huge computation error when calculating hidden loss in previous studiesbecause they regarded the volume of drainage as postoperative blood loss.Weshould not ignore the fact that the composition of drainage varies from person to person and also with time-lapse after operation.The purpose of this study was to demonstrate a more accurate HBL calculation formula by comparing it with previous formula and to address the importance of HBL in patients undergoing posterior lumbar fusion surgeries...
March 11, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28286096/pyoderma-gangrenosum-or-necrotising-fasciitis-diagnostic-and-therapeutic-wanderings
#19
Mathieu Vaysse-Vic, Pierre-Alain Mathieu, AurélieCharissoux, Jean-Louis Charissoux, Pierre-Sylvain Marcheix
A case of post-traumatic lower-limb pyodermagangrenosum (PG) in a 77-year-old female is reported. The diagnosis of PG is frequently one of exclusion, and it is therefore unsurprising that the condition was initially mistaken for necrotising fasciitis then for necrotising bacterial dermo-hypodermitis. Medical and surgical treatment for those conditionsproved ineffective. This fact, together with the atypical presentation, promoted a re-evaluation of the diagnosis. The clinical findings and investigation results converged to suggest PG, and a therapeutic trial was initiated...
March 9, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28285031/evolution-and-complications-after-surgery-for-spine-deformation-in-patients-with-parkinson-s-disease
#20
Bouyer Benjamin, Scemama Caroline, P Roussouly, F Laouissat, I Obeid, L Boissière, F-H Parent, S Schuller, J-P Steib, H Pascal-Moussellard, P Guigui, Wolff Stéphane, Riouallon Guillaume
INTRODUCTION: Surgical treatment of spinal deformity is high risk in patients suffering from Parkinson's disease (PD). Several series have already reported a high rate of complications. However, none of these studies included more than 40 patients and none of the risk factors of complications were described. The aim of this study was to describe the rate and risk factors of revision surgery as well as the clinical outcome at the last visit in a large multicenter study of PD patients operated for spinal deformities...
March 8, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
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