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Massimo Del Fabbro, Stefano Corbella, Patrick Sequeira-Byron, Igor Tsesis, Eyal Rosen, Alessandra Lolato, Silvio Taschieri
BACKGROUND: When primary root canal therapy fails, periapical lesions can be retreated with or without surgery. Root canal retreatment is a non-surgical procedure that involves removal of root canal filling materials from the tooth, followed by cleaning, shaping and obturating of the canals. Root-end resection is a surgical procedure that involves exposure of the periapical lesion through an osteotomy, surgical removal of the lesion, removal of part of the root-end tip, disinfection and, commonly, retrograde sealing or filling of the apical portion of the remaining root canal...
October 19, 2016: Cochrane Database of Systematic Reviews
Joel Wells, Jeffrey J Nepple, Karla Crook, James R Ross, Asheesh Bedi, Perry Schoenecker, John C Clohisy
BACKGROUND: Hip dysplasia represents a spectrum of complex deformities on both sides of the joint. Although many studies have described the acetabular side of the deformity, to our knowledge, little is known about the three-dimensional (3-D) head and neck offset differences of the femora of dysplastic hips. A thorough knowledge of proximal femoral anatomy is important to prevent potential impingement and improve results after acetabular reorientation. QUESTIONS/PURPOSES: (1) Are there common proximal femoral characteristics in patients with symptomatic hip dysplasia undergoing periacetabular osteotomy (PAO)? (2) Where is the location of maximal femoral head and neck offset deformity in hip dysplasia? (3) Do certain subgroups of dysplastic hips more commonly have cam-type femoral morphology? (4) Is there a relationship between hip ROM as well as impingement testing and 3-D head and neck offset deformity? METHODS: Using our hip preservation database, 153 hips (148 patients) underwent PAO from October 2013 to July 2015...
October 17, 2016: Clinical Orthopaedics and related Research
Satoshi Kushida, Natsuko Kakudo, Kenji Kusumoto
INTRODUCTION: In patients with habitual dislocation of the temporomandibular joint, anterior dislocation readily occurs with mouth opening in the normal range. METHODS: This short paper describes our novel procedure, modified zygomatic arch osteotomy reported by LeClerc et al., with oblique osteotomy to create a V-shaped notch at the tip for more accurate locking. CONCLUSION: The technique obtained favorable results without the recurrence of TMJ dislocation...
September 2016: Journal of Maxillofacial and Oral Surgery
So Minokawa, Masatoshi Naito, Koichi Kinoshita, Takuaki Yamamoto
BACKGROUND: The vascular supply to the acetabular labrum is important in the treatment of labral lesions. However, in vivo blood flow measurements in the acetabular labrum have not been described in the literature. The purpose of this study was to examine this blood flow in vivo using laser Doppler flowmetry (LDF) in patients with acetabular dysplasia. METHODS: Periacetabular osteotomy combined with arthroscopy was performed in 47 consecutive patients (three males, 44 females; mean age at surgery, 35...
October 17, 2016: Journal of Orthopaedic Surgery and Research
Xiaoyu Wang, Laure Boyer, Franck Le Naveaux, Richard M Schwend, Carl-Eric Aubin
BACKGROUND: Differential rod contouring is used to achieve 3-dimensional correction in adolescent idiopathic scoliosis instrumentations. How vertebral rotation correction is correlated with the amount of differential rod contouring is still unknown; too aggressive differential rod contouring may increase the risk of bone-screw connection failure. The objective was to assess the 3-dimensional correction and bone-screw forces using various configurations of differential rod contouring. METHODS: Computerized patient-specific biomechanical models of 10 AIS cases were used to simulate AIS instrumentations using various configurations of differential rod contouring...
October 6, 2016: Clinical Biomechanics
Sherif Galal
: Developmental coxa vara (DCV) develops during early childhood between the age of independent walking and 6 years. The deformity includes a decrease in the neck-shaft angle and femoral retroversion. Recently, good results have been reported using external fixator systems for the correction of proximal femoral deformities secondary to slipped capital femoral epiphysis, Perthes' disease in children, and percutaneous proximal femoral osteotomy for coxa vara. This preliminary study was performed to evaluate the results of percutaneous subtrochanteric osteotomy in restoring the normal alignment and orientation (radiographic outcome), thereby restoring the normal mechanics of the hip joint, overcoming shortening of the limb, and re-establishing the length-tension relationship of the abductor muscles (functional outcome)...
September 29, 2016: Journal of Pediatric Orthopedics. Part B
Daisuke Ueno, Takashi Kurokawa, Katsuichiro Maruo, Tsuneaki Watanabe, Jayanetti Asiri Jayawardena
INTRODUCTION: Perforation of the Schneiderian membrane is the most common complication in sinus floor augmentation (SFA). When volume of grafting is qualified to prevent enlargement of the membrane perforation, lack of bone volume may occur in optimal site. CASE PRESENTATION: SFA was performed in sites #24 to 26 in a 63-year-old male. However, a 10-mm size perforation of the Schneiderian membrane occurred in site #26. Although the sinus cavity was grafted with deproteinized bovine bone mineral (DBBM) after repair of membrane perforation, insufficient bone formation was observed on palatal and distal aspects of site #26 at 5 months after SFA...
December 2015: Int J Implant Dent
Donald Nuss, Robert J Obermeyer, Robert E Kelly
Repair of pectus excavatum began at the beginning of the 20(th) century before endotracheal intubation was standard practice. Surgeons therefore developed techniques that corrected the deformity using an open procedure via the anterior chest wall. Initial techniques were unsatisfactory, but by the 1930s the partial rib resection and sternal osteotomy technique had been developed and was used in combination with external traction post-operatively to prevent the sternum from sinking back into the chest. In 1949, Ravitch recommended complete resection of the costal cartilages and complete mobilization of the sternum without external traction, and in 1961 Adkins and Blades introduced the concept of a substernal strut for sternal support...
September 2016: Annals of Cardiothoracic Surgery
Saejong Yoo, Jiyong Kim, Hyun-Wook Myung, Suhan Woo, Dai-Jung Chung, A-Jin Lee, Han-Jun Kim, Sun-Hee DO, Hwi-Yool Kim
A 12-year-old, spayed female Schnauzer presented with constipation. A mass was observed in the pelvic cavity, and metastasis was not identified. Mass resection was performed through celiotomy with pubic osteotomy, and hemangiosarcoma was diagnosed. At 10 weeks post-operatively, the patient died of multiple metastasis. Primary intrapelvic hemangiosarcoma is rare in dogs.
October 15, 2016: Journal of Veterinary Medical Science
Jeffrey C Posnick, Elbert Choi, Anish Chavda
PURPOSE: Frequency estimates of surgical site infection (SSI) after orthognathic surgery vary considerably. The purpose of this study was to determine the incidence and site of SSIs and associated risk factors after bimaxillary orthognathic, osseous genioplasty, and intranasal surgery. MATERIALS AND METHODS: The authors executed a retrospective cohort study of patients with a bimaxillary developmental dentofacial deformity (DFD) and symptomatic chronic obstructive nasal breathing...
September 20, 2016: Journal of Oral and Maxillofacial Surgery
F G Usuelli, C A Di Silvestri, R D'Ambrosi, C Maccario, E W Tan
PURPOSE: Medial displacement calcaneal osteotomy with flexor digitorum longus transfer is a common treatment for the management of the adult flatfoot associated with posterior tibial tendon dysfunction. In the literature, there is a paucity of information regarding the ability of patients to return to sport and recreational activities after this surgical procedure. The purpose of this retrospective clinical study was to assess the rate and type of athletic activities that patients participated in before and after medial displacement calcaneal osteotomy with flexor digitorum longus transfer...
October 15, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
A Dangin, N Tardy, M Wettstein, O May, N Bonin
With the development of conservative hip surgery techniques, new entities such as microinstability have been identified. Microinstability is a painful supra-physiological mobility of the hip. It results from the association of architectural and functional abnormalities impairing joint stability. These risk factors concern hip joint bone architecture or peri-articular soft tissues. Bone abnormalities are identified on hip assessment parameters. Soft tissues also play a key role in the static and dynamic stability of the hip: the joint capsule, labrum, ligamentum teres and adjacent myotendinous structures affect joint coaptation; any abnormality or iatrogenic lesion concerning these structures may constitute a risk factor for microinstability...
October 12, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
J A D van der Woude, S Spruijt, B T J van Ginneken, R J van Heerwaarden
Varus deformity can be localized in the tibia, in the femur or in both. If varus deformity is localized within the femur, it is mandatory to correct it in the femur. This report presents the technique and results of a consecutive case series of lateral uniplanar and biplanar closed-wedge valgus osteotomy of the distal femur for the treatment of varus deformity of the knee. Retrospectively, fifteen patients (sixteen knees) were identified. Indications for surgery varied from unloading an osteoarthritic medial compartment to reduction to symmetrical varus leg alignment...
October 14, 2016: Strategies in Trauma and Limb Reconstruction
Salah Huwais, Eric G Meyer
PURPOSE: It is essential to have sufficient bone bulk and density at the implant site in order to achieve good bone-to-implant contact and primary stability, which are crucial for osseointegration. A new osteotomy preparation technique was recently introduced that uses a bone preservation method that creates a layer of compacted bone along the surface of the osteotomy. The hypothesis of this study was that this novel technique would increase primary implant stability, bone mineral density, and the percentage of bone at the implant surface compared with drilling technique...
October 14, 2016: International Journal of Oral & Maxillofacial Implants
John A Heflin, Scott Ford, Peter Stevens
Blount's disease is commonly attributed to an intrinsic, idiopathic defect in the posteromedial proximal tibial physis resulting in progressive bowing of the leg, intoeing, and lateral knee thrust. Treatment has historically included bracing, physeal stapling, or corrective osteotomy, and was determined primarily by age at presentation. As we feel the pathology is not necessarily age dependent, we have elected to use the technique of guided growth using a lateral tension band plate to correct limb alignment as a first-line treatment in all patients presenting to our clinic as long as they had growth remaining and no evidence of a physeal bar...
October 2016: Medicine (Baltimore)
Hannes A Rüdiger, Krzystof Piasecki, Fabio Becce, Stéphane Cherix
BACKGROUND: Surgical access to benign neoplastic lesions of the femoral head are associated with significant morbidity, including contamination of intra-osseous access tracks, articular cartilage lesions, avascular bone necrosis or tumour recurrence due to incomplete curettage. CASE PRESENTATION: We present a case of a 20-year-old female with a giant cell tumour in the femoral head, which was treated with curettage through a trans-foveal approach and bone grafting...
September 22, 2016: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
Se-Won Lee, Weon-Yoo Kim, Min-Sung Kang
INTRODUCTION: The quadratus femoris muscle has not attracted attention as a structure for surgical exposure during posterior hip approaches. We sought to introduce a modified posterior approach through the quadratus femoris muscle area only, by flap osteotomy, which we have named the quadratus femoris osteotomy (QFO) approach. We compare this with the conventional posterior approach to determine the effectiveness of the new technique. METHODS: We retrospectively reviewed the medical records of 329 patients (383 hips) who had undergone primary total hip arthroplasty (THA) between March 2006 and January 2013 by a single hip surgeon...
October 8, 2016: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
Katherine C Leonard, Michael P Kowaleski, William B Saunders, Robert J McCarthy, Randy J Boudrieau
OBJECTIVES: To describe the surgical technique and report short-term outcome for combined tibial plateau levelling osteotomy and tibial tuberosity transposition (TPLO-TTT) as an option in the treatment of cranial cruciate ligament insufficiency with concomitant medial patellar luxation. METHODS: Medical records were reviewed (2011-2013) of dogs that underwent a standard tibial plateau levelling osteotomy followed by a tibial tuberosity transposition in the frontal plane and stabilized with pin and tension-band wire fixation as a component of surgical treatment for combined cranial cruciate ligament insufficiency and medial patellar luxation...
October 14, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
Romain Gaillard, Simone Cerciello, Sebastien Lustig, Elvire Servien, Philippe Neyret
PURPOSE: Total knee arthroplasty (TKA) malalignment may result in pain and limited range of motion. The present study assessed the influence of different surgeon's and patient's related factors on the post-operative tibial tray coronal alignment. METHODS: The charts and the x-rays of a continuous prospective series of 1417 TKAs operated upon between 1987 and 2015 were retrospectively reviewed. The long-leg AP views were performed at two months post-op and the tibial mechanical angle of the tibial tray was measured...
October 13, 2016: International Orthopaedics
Hendrik A Zuiderbaan, Jelle P van der List, Pauline Appelboom, Nanne P Kort, Andrew D Pearle, Maarten V Rademakers
In this review, we evaluate the modern indications, subjective outcome scores, and survivorship results of unicompartmental knee arthroplasty (UKA) and high tibial osteotomy (HTO) in the treatment of isolated medial compartment degeneration of the knee. In addition, in a thorough review of the literature, we evaluate global trends in the use of both methods. In our evaluation of articles, we note that inclusion criteria are relatively broader for UKA than for HTO, where age and body mass index should be considered before HTO surgery in order to optimize clinical outcome and survivorship results...
September 2016: American Journal of Orthopedics
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