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Hip dislocation

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https://www.readbyqxmd.com/read/28542504/level-of-surgical-experience-is-associated-with-change-in-hip-center-of-rotation-following-cementless-total-hip-arthroplasty-a-radiographic-assessment
#1
Seung-Chan Kim, Young-Wook Lim, Soon-Yong Kwon, Woo-Lam Jo, Sung-Hun Ju, Chan-Joo Park, Choong-Woo Lee, Yong-Sik Kim
OBJECTIVES: After total hip arthroplasty (THA), restoration of hip center of rotation (COR) is essential to ensure stability of the prosthetic hip and longevity of the prosthesis. Our aim was to determine whether, and how, the COR changed postoperatively compared to the native COR following implantation of a cementless acetabular component in anatomical position and to compare the accuracy of cup placement between two surgeons with different levels of surgical experience. MATERIALS AND METHODS: We evaluated 145 patients (145 hips) who underwent unilateral primary THA, who had no distorted acetabulum on the affected hip and a normal contralateral hip...
2017: PloS One
https://www.readbyqxmd.com/read/28537647/robotic-assisted-total-hip-arthroplasty-outcomes-at-minimum-two-year-follow-up
#2
Richard L Illgen, Brandon R Bukowski, Rasheed Abiola, Paul Anderson, Morad Chughtai, Anton Khlopas, Michael A Mont
BACKGROUND: Component malposition in total hip arthroplasty (THA) contributes to instability and early failure. Robotic-assisted total hip arthroplasty (rTHA) utilizes CT-based planning with haptically-guided bone preparation and implant insertion to optimize component position accuracy. This study compared acetabular component position and postoperative complications following manual THA (mTHA) with rTHA. MATERIALS AND METHODS: Consecutive primary THAs performed by one surgeon at three intervals were analyzed in this retrospective cohort study: the initial 100 consecutive manual THAs (mTHA) in clinical practice (year 2000), the last consecutive 100 mTHA before rTHA introduction (year 2011), and the first consecutive 100 rTHA (year 2012)...
May 24, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/28537411/-treatment-of-pelvic-avulsion-fractures-in-children-and-adolescents
#3
A Stančák, J Kautzner, T Trč, V Havlas
INTRODUCTION: Paediatric avulsion fractures of the pelvis and hip joint are rare injuries most commonly associated with a rapid muscle contraction of the respected apophysis, which is the weakest component of the growing skeleton. The chosen therapy option can be either conservative or surgical. METHODS: We present a cohort of 69 patients treated for an apophyseal avulsion fracture of the anterior superior / inferior iliac spine, the lesser and greater trochanters iliac crest and the ischial tubercle...
2017: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/28537348/a-cadaver-study-to-evaluate-the-accuracy-of-a-new-3d-mini-optical-navigation-tool-for-total-hip-arthroplasty
#4
Jonathan M Vigdorchik, Michael B Cross, Eric A Bogner, Theodore T Miller, Jeffrey M Muir, Ran Schwarzkopf
BACKGROUND: Accurate measurement of acetabular cup position (CP), changes in leg length (LL), and offset (OS) are paramount in ensuring proper sizing and implantation of components during total hip arthroplasty (THA). LL/OS inaccuracies can cause low back pain, neurological deficits, and patient dissatisfaction, while inaccurate positioning of the acetabular cup can lead to instability, dislocation, and, ultimately, revision surgery. The objective of this study was to evaluate the accuracy of a mini-navigation tool in measuring CP and LL/OS differential during THA...
May 24, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/28529663/the-modified-dunn-procedure-for-slipped-capital-femoral-epiphysis-the-bernese-experience
#5
M Tannast, L M Jost, T D Lerch, F Schmaranzer, K Ziebarth, K A Siebenrock
PURPOSE: Based on previous investigations on the vascular blood supply to the femoral head, a technique for anatomical reduction after slipped capital femoral epiphysis was developed. This technique is a modification of the original technique by Dunn using a retinacular soft-tissue flap. This allows the visual control of the epiphyseal vascular blood supply. We report the experience at the inventor's institution with a critical discussion of the available literature. METHODS: Using a trochanteric osteotomy for surgical dislocation of the hip, a retinacular soft tissue flap is created containing the deep branch of the medial femoral circumflex artery, the external rotators and the capsule...
April 2017: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/28529662/femoral-and-acetabular-re-alignment-in-slipped-capital-femoral-epiphysis
#6
M Leunig, H M Manner, L Turchetto, R Ganz
NEW PATHOPHYSIOLOGICAL INSIGHTS: Based on improved knowledge of the vascular supply of the proximal femur, a safe surgical dislocation of the hip joint was established allowing direct insights to the pathomorphological malfunctioning of the joint. One insight was that slipped capital femoral epiphysis (SCFE) impingement leads to substantial damage of the chondrolabral rim area, even in the presence of minor slips. A further surgical development was the extended retinacular flap allowing for correction of the deformity with calculable risk for iatrogenic necrosis...
April 2017: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/28529111/the-results-of-total-hip-arthroplasty-after-sugioka-transtrochanteric-anterior-rotational-osteotomy-for-osteonecrosis
#7
Takeshi Utsunomiya, Goro Motomura, Satoshi Ikemura, Satoshi Hamai, Jun-Ichi Fukushi, Yasuharu Nakashima
BACKGROUND: Since Sugioka transtrochanteric anterior rotational osteotomy (ARO) for osteonecrosis of the femoral head (ONFH) changes the morphology of the proximal femur, total hip arthroplasty (THA) after previous ARO is considered a technically demanding procedure. The purpose of this study was to compare the clinicoradiologic outcomes of THA after ARO with those of THA without any antecedent surgery for ONFH. METHODS: Twenty-four hips in 20 patients who underwent cementless THA after ARO (postosteotomy group) were retrospectively reviewed and compared with patients who underwent cementless THA without any antecedent surgery for ONFH during the same period (primary group)...
April 27, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28529110/the-double-cup-construct-a-novel-treatment-strategy-for-the-management-of-paprosky-iiia-and-iiib-acetabular-defects
#8
Jonathan E Webb, Robert J McGill, Brian T Palumbo, Wayne E Moschetti, Daniel M Estok
BACKGROUND: Treatment of massive acetabular bone loss in revision total hip arthroplasty is complex, and various treatment strategies have been described. We describe a novel technique of using a Trabecular Metal Revision Shell as a buttress augment creating a "double-cup" construct rather than the use of custom triflanges or cup-cage constructs for Paprosky types IIIA and IIIB acetabular defects. METHODS: We retrospectively reviewed 20 double-cup cases at a mean of 2...
April 23, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28529109/late-dislocations-after-total-hip-arthroplasty-is-the-bearing-a-factor
#9
Siddharth M Shah, William L Walter, Stephen M Tai, Michelle F Lorimer, Richard N de Steiger
BACKGROUND: Dislocation is a leading cause of revision after primary total hip arthroplasty (THA). Although more common in the first few years after the procedure, dislocation can occur at any time. This study investigated the difference in late dislocation in ceramic-on-ceramic (CoC) bearings compared with metal-on-polyethylene and ceramic-on-polyethylene bearings in THA. METHODS: Data were used from the Australian Orthopaedic Association National Joint Replacement Registry, and the cumulative percent revision for dislocation was estimated using the Kaplan-Meier method for the different bearing surfaces...
April 27, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28529108/a-3-to-18-year-follow-up-of-revision-total-hip-arthroplasty-with-impacted-bone-allografts-and-cemented-lubinus-sp-ii-stem-clinical-radiographic-and-survivorship-analysis-with-comparison-to-the-literature
#10
Hampus Stigbrand, Gösta Ullmark
BACKGROUND: We present the first medium- to long-term follow-up of revision total hip arthroplasty using impaction bone grafting (IBG) combined with the matte and collared Lubinus SP II stem for cases of severe osteolysis and stem loosening. METHODS: Sixty-nine femoral revisions were identified for 67 patients consecutively operated with revision femoral arthroplasty using IBG and a cemented Lubinus SP II stem. The mean age was 69 years (standard deviation, 9.9)...
April 18, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28525999/is-soft-tissue-repair-a-right-choice-to-avoid-early-dislocation-after-tha-in-posterior-approach
#11
Yiqin Zhou, Shiqi Cao, Lintao Li, Manoj Narava, Qiwei Fu, Qirong Qian
BACKGROUND: Dislocation is the second most common complication after total hip arthroplasty (THA). The effectiveness of soft tissue repair to reduce dislocation rate is still debated and thus a meta-analysis was conducted. METHODS: A systematic search in PubMed, Embase, and Cochrane databases was conducted for this meta-analysis. INCLUSION CRITERIA: clinical comparative trials on the use of soft tissue repair including rotators and capsule repair in primary THA...
May 19, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28513428/slipped-capital-femoral-epiphysis-a-review-of-management-in-the-hip-impingement-era
#12
Mahmoud A Mahran, Mostafa M Baraka, Hany M Hefny
Slipped capital femoral epiphysis (SCFE) remains the most common adolescent hip disorder. Most cases present with stable slips, and in situ fixation is the most commonly adopted treatment worldwide. The introduction of the concept of femoroacetabular impingement and subsequent studies have revealed SCFE-related hip impingement to be a significant pre-arthritic condition, and the previously suggested remodeling of the proximal femur after in situ fixation has been called into question. Complex proximal femoral osteotomies and more recently intra-articular procedures via surgical hip dislocation have been employed...
2017: SICOT-J
https://www.readbyqxmd.com/read/28509824/implant-survival-after-minimally-invasive-anterior-or-anterolateral-vs-conventional-posterior-or-direct-lateral-approach-an-analysis-of-21-860-total-hip-arthroplasties-from-the-norwegian-arthroplasty-register-2008-to-2013
#13
Knut Erik Mjaaland, Svein Svenningsen, Anne Marie Fenstad, Leif I Havelin, Ove Furnes, Lars Nordsletten
BACKGROUND: Since 2008, there has been an increase in the use of minimally invasive surgery (MIS) through an anterior or anterolateral approach for total hip arthroplasty (THA) in Norway. We compared the MIS approaches with the conventional posterior and direct lateral approaches in terms of revision rates and risk of revision. METHODS: On the basis of data in the Norwegian Arthroplasty Register, 21,860 THAs with an uncemented stem, performed between 2008 and 2013, were identified and included in the cohort...
May 17, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28508768/inveterate-42-year-old-hip-dislocation-treated-with-arthroplasty-a-case-study
#14
Tomasz Pitera, Grzegorz Guzik, Piotr Biega
Dislocation of the hip usually results from a high-energy injury sustained during a road accident. Inveterate dislocations persisting for many months or years are extremely rare. Selection of an appropriate treatment method is not easy and is always associated with the risk of serious complications. The present authors hope that a description of the course of diagnostic work-up and treatment of a patient in whom a hip dislocation persisted for 42 years will prove interesting and helpful for orthopaedists who may encounter such a case in their practice...
April 12, 2017: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28508765/a-comparison-of-outcomes-of-treatment-with-resection-prosthesis-of-the-hip-in-revision-and-oncological-surgery
#15
Paweł Kamiński, Jakub Szmyd, Jarosław Ambroży, Jerzy Mirosław Jaworski, Bogusław Frańczuk
INTRODUCTION: The introduction of resection prostheses paved the way for the development of limb-sparing surgery in patients with primary or metastatic bone tumours. After some time, the developing possibilities of treatment of extensive bone defects allowed for the use of resection prostheses as an emergency procedure in patients undergoing revision surgery due to hip implant loosening. The aim of this paper is to compare treatment outcomes in patients receiving the Modular Universal Tumour and Revision System (MUTARS) resection prosthesis during arthroplasty performed for different indications: treatment of a tumour metastasis and revision surgery in cases of implant loosening...
April 12, 2017: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28508763/radiological-outcomes-of-overhead-traction-therapy-for-developmental-dysplasia-of-the-hip-in-non-ambulatory-children
#16
Marcin K Waśko, Szymon Pietrzak, Anna Szarejko, Waldemar Przybysz, Tomasz Parol, Jarosław Czubak
BACKGROUND: Infants with a dislocated and unstable hip that does not lend itself to stabilisation may be treated using overhead traction to achieve gradual reduction of the hip joint. The aim of this paper was to analyse the radiological outcomes of overhead traction therapy and the effect of duration of traction on the occurrence of complications and final treatment outcomes. Material and methodd. A retrospective analysis of medical records of 26 children (34 affected hips) involved three independent observers assessing radiological parameters before the surgery and at follow-up visits at least two years after the therapy...
April 12, 2017: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28507967/surgery-of-a-rare-case-of-multiple-synovial-osteochondromatosis-of-the-hip-joint
#17
Yi Min Zhang, Xiaoguang Liu
INTRODUCTION: Primary synovial osteochondromatosis of the hip is a benign disorder, which is not frequently seen clinically. The characteristic of this disease is proliferation of synovium and formation of loose bodies inside the joint. It is known that only the loose bodies derived from synovium were called synovial osteochondromatosis. Although it can take place in any joint, the knee is most commonly affected, involvement of the hip joint is relatively rare. We report a young man who has multiple synovial osteochondromatosis in his left hip...
November 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28507966/ipsilateral-hip-and-knee-dislocation-with-open-tibial-fracture-a-case-report-of-a-limb-threatening-injury
#18
Ramesh Perumal, S R Sundararajan, J Vasudeva, S Rajasekaran
INTRODUCTION: Hip or knee dislocations are usually treated as a surgical emergency, but ipsilateral hip and knee dislocation should be considered a dual emergency that must be addressed immediately and reduced at the earliest. We present here the sequence of events and the final functional outcome of one such rare injury manages by us. CASE REPORT: A 22-year-old male was involved in a road traffic accident. He presented to the emergency department in 4 h injury time with painful deformities of the right hip and knee, along with Type I open wound right leg with abnormal mobility suggestive of fracture in the ipsilateral leg...
November 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28507965/posterior-hip-dislocation-with-ipsilateral-femoral-head-and-shaft-fracture-using-a-temporary-external-fixator-as-a-method-for-closed-reduction
#19
Abduljabbar Alhammoud, Masson Alnouri, Mahmood Ali Arbash, Abdul Moeen Baco
INTRODUCTION: Complex fractures are increasing because of various traumatic mechanisms. They drift from standard classifications, and their treatment is controversial. Of such cases are hip dislocations with associated fractures of the ipsilateral femur. CASE REPORT: This case report describes the condition of a 30-year-old man involved in a motor vehicle collision. Clinical examination, X-rays, and computed tomography scan revealed a posterior hip dislocation with an ipsilateral femoral head and mid-shaft fractures...
November 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28507643/imaging-of-complications-after-limb-prostheses-implantation-in-children-with-bone-tumors
#20
Beata Iwanowska, Hanna Brągoszewska, Jarosław Mądzik, Sylwia Szkudlińska-Pawlak, Izabela Kopyś-Wiszniewska, Małgorzata Jastrzębska, Barbara Kowalska, Maria Uliasz, Monika Bekiesińska-Figatowska
BACKGROUND: Tumors of the developmental age are an important problem in clinical practice. Primary bone tumors constitute 1-1.5% of all tumors, and 7% of all tumors diagnosed in the developmental age. The aim of the study was to assess the capabilities of imaging methods in diagnosing complications of limb endoprostheses in children with osteoarticular tumors. MATERIAL/METHODS: We included 155 patients with limb endoprostheses, aged 7-26 years. There were 113 patients with knee prostheses, 1 patient with bilateral knee prostheses, 16 patients with shoulder prostheses, 14 patients with hip prostheses, 11 patients with hip and knee prostheses, and 1 patient with a femoral prosthesis...
2017: Polish Journal of Radiology
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