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https://www.readbyqxmd.com/read/27919583/comparison-of-total-hip-arthroplasty-with-and-without-femoral-shortening-osteotomy-for-unilateral-mild-to-moderate-high-hip-dislocation
#1
Huiwu Li, Jiawei Xu, Xinhua Qu, Yuanqing Mao, Kerong Dai, Zhenan Zhu
BACKGROUND: This study compares the outcome between THA with and without femoral shortening osteotomy for unilateral mild to moderate high hip dislocation in developmental dysplasia of the hip patients. METHODS: The data on 42 hips in 42 patients who had undergone THA for unilateral mild to moderate high hip dislocation were retrospectively reviewed after being prospectively collected. In 22 patients, hips were reduced by soft tissue release and direct leverage using an elevator, without the osteotomy...
August 26, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/27916579/distal-patellar-tendon-avulsion-in-association-with-high-energy-knee-trauma-a-case-series-and-review-of-the-literature
#2
Brian Capogna, Eric Strauss, Sanjit Konda, Alan Dayan, Michael Alaia
BACKGROUND: Patellar tendon rupture is rare in the general population. Typically, failure occurs proximally or at the mid-substance. Distal avulsion from the tibial tubercle in adults is rare and not well described in the orthopedic literature. METHODS: We present the largest series of patients with distal patellar tendon injury with associated multi-ligamentous disruption of the knee. A series of six patients with distal patellar tendon avulsion were identified at a single institution...
December 1, 2016: Knee
https://www.readbyqxmd.com/read/27915446/superior-dislocation-of-the-patella-a-pathognomonic-finding-and-review-of-literature
#3
P W van Egmond, M C Vermeulen, C F van Dijke, H C A Graat
A 59-year-old woman with a painful right knee that became locked in extension after a trivial trauma was seen at the emergency room. This was caused by unloaded hyperextension in bed. She was diagnosed with a superior dislocation of the patella. A closed reduction was performed, but a recurrent episode was seen within a week. An arthroscopy was performed, in which the causative osteophytes were removed. In the 12-month follow-up after treatment, no recurrence was seen. A superior dislocation of the patella is caused by patellofemoral osteophytes that interlock...
December 3, 2016: Skeletal Radiology
https://www.readbyqxmd.com/read/27900509/conversion-of-hip-fusion-to-total-hip-arthroplasty-clinical-radiological-outcomes-and-complications-in-40-hips
#4
Mustafa Celiktas, Ozkan Kose, Adil Turan, Ferhat Guler, Cagri Ors, Emre Togrul
OBJECTIVE: The purpose of this retrospective study is to report the clinical and radiological outcome of total hip arthroplasty in patients with previous hip arthrodesis. PATIENTS AND METHODS: We retrospectively reviewed 28 (40 hips) prospectively followed patients in whom ankylosed hips were converted to total hip arthroplasty (THA) between 2010 and 2014 in our institution. The average age at the time of the conversion operation was 40.8 ± 9.8 years (range 24-62)...
November 29, 2016: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/27900178/self-reported-worst-injuries-in-women-s-australian-football-identify-lower-limb-injuries-as-a-prevention-priority
#5
Lauren V Fortington, Alex Donaldson, Caroline F Finch
BACKGROUND: Increasing participation by women in Australian football (AF) has made understanding their specific injury prevention needs a priority. In other sports, men and women have different injury profiles. This study aims to provide the first overview of self-reported injuries in women's AF. METHODS: Nationwide survey of women aged 17+ years who played in an AF competition was conducted following the 2014 playing season. The players' self-reported worst injury from the 2014 season is presented according to injury type, body part injured, treatment sought and games/training missed...
2016: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/27894178/comparison-of-radiological-parameters-between-normal-and-patellar-dislocation-groups-in-korean-population-a-rotational-profile-ct-based-study
#6
Jatin Prakash, Jong-Keun Seon, Seong-Hwan Woo, Cheng Jin, Eun-Kyoo Song
Purpose: Patellofemoral instability is a common cause of anterior knee pain in adolescents and young adults. Most normal and pathological values for diagnosing patellofemoral instability are based on Western literature. We conducted this radiological study to determine normal values for different patellofemoral parameters in a Korean population and to evaluate their usefulness in diagnosis. Materials and Methods: We retrospectively reviewed the rotational profile computerized tomography (CT) scans of the patellar dislocation and control groups...
December 1, 2016: Knee Surgery & related Research
https://www.readbyqxmd.com/read/27894010/a-magnetic-resonance-imaging-study-of-abnormalities-of-the-patella-and-patellar-tendon-that-predispose-children-to-acute-patellofemoral-dislocation
#7
Barış Yılmaz, Esin Derin Çiçek, Evrim Şirin, Güzelali Özdemir, Özgün Karakuş, Hasan Hilmi Muratlı
This study compared 20 children hospitalised with acute patellofemoral dislocation with an age-matched healthy control group with no history of knee problems or patellar dislocation. The following morphological parameters were significantly different between the groups: the mean patellar width and length, mean sulcus depth, mean patellar tendon width and total patellar volume. The magnetic resonance imaging findings of this study suggested that structurally smaller than normal patella and patellar tendon volumes are predisposing factors for acute patellofemoral dislocation...
November 17, 2016: Clinical Imaging
https://www.readbyqxmd.com/read/27890581/total-hip-arthroplasty-using-a-cementless-dual-mobility-cup-provides-increased-stability-and-favorable-gait-parameters-at-five-years-follow-up
#8
A Acker, J-F Fischer, K Aminian, E Lécureux, B M Jolles
BACKGROUND: Rates of dislocation following primary total hip arthroplasty (THA) vary from 0.5 to 10%. Dual-mobility cups in THA demonstrate increased stability. Clinical outcomes following THA with dual-mobility cups have been reported, but gait has not been assessed. Therefore we performed a retrospective case control study to answer: (1) is gait better in patients following THA with a dual-mobility cup than in frail, elderly patients of the same age? (2) Are clinical outcomes better in patients following THA with a dual-mobility cup than in frail, elderly patients? (3) What is the dislocation rate following THA with a dual-mobility cup? HYPOTHESIS: We hypothesized that patients who underwent THA with a dual-mobility cup have a better gait compared to frail, elderly patients of the same age...
November 24, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27876255/patient-and-perioperative-variables-affecting-30-day-readmission-for-surgical-complications-after-hip-and-knee-arthroplasties-a-matched-cohort-study
#9
Benjamin F Ricciardi, Kathryn K Oi, Steven B Daines, Yuo-Yu Lee, Amethia D Joseph, Geoffrey H Westrich
BACKGROUND: Changes in reimbursement for total hip and knee arthroplasties (THA and TKA) have placed increased financial burden of early readmission on hospitals and surgeons. Our purpose was to characterize factors of 30-day readmission for surgical complications after THA and TKA at a single, high-volume orthopedic specialty hospital. METHODS: Patients with a diagnosis of osteoarthritis and who were readmitted within 30 days of their unilateral primary THA or TKA procedure between 2010 and 2014...
October 21, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/27872126/multiple-ligament-reconstruction-femoral-tunnels-intertunnel-relationships-and-guidelines-to-avoid-convergence
#10
Gilbert Moatshe, Alex W Brady, Erik L Slette, Jorge Chahla, Travis Lee Turnbull, Lars Engebretsen, Robert F LaPrade
BACKGROUND: Knee dislocations often require multiple concurrent ligament reconstructions, which involve creating several tunnels in the distal femur. Therefore, the risk of tunnel convergence is increased because of the limited bone volume within the distal aspect of the femur. PURPOSE: To assess the risk of tunnel convergence and determine the optimal reconstruction tunnel orientations for multiple ligament reconstructions in the femur. STUDY DESIGN: Descriptive laboratory study...
November 21, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27847857/complicated-congenital-dislocation-of-the-knee-a-case-report
#11
Firooz Madadi, Mohammad A Tahririan, Mohsen Karami, Firoozeh Madadi
Congenital dislocation of the knee (CDK) is a rare disorder. We report the case of a 7-year-old girl with bilateral knee stiffness, marked anterior bowing of both legs, and inability to walk without aid. Radiologic investigation revealed bilateral knee joint dislocation accompanied by severe anterior bowing of both tibia proximally and posterior bowing of both femur distally, demonstrating a complicated congenital knee dislocation. Two-staged open reduction with proximal tibial osteotomy was performed to align the reduced knee joints...
October 2016: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/27846360/-non-traumatic-posterior-instability-in-primary-total-knee-replacement-and-its-revision
#12
E Carbó, R Laguna, F Del Moral, J Barrientos, J Vaquero
BACKGROUND: Dislocation after total knee arthroplasty is a rare complication and a difficult problem to address. When the flexion gap is larger than the extension gap and the collateral ligaments are injured, instability and knee arthroplasty dislocation can occur. MATERIAL AND METHODS: We report the case of a patient presenting with a posterior dislocation of a posterior-stabilized prosthesis without trauma. Frank instability in varus stress test and a positive anterior drawer test with tibial internal rotation dismissed the conservative treatment...
March 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/27830101/low-energy-traumatic-obturator-hip-dislocation-with-ipsilateral-femoral-shaft-fracture-in-a-patient-with-omolateral-knee-arthroplasty
#13
G Gazzotti, L Patrizio, S Dall'Aglio, E Sabetta
Ipsilateral obturator hip dislocation and femoral shaft fracture are rare. We report such a case in an older woman after a low-energy injury. She had a knee prostheses in the same limb. The patient was treated by open manipulative reduction of the luxation without opening joint and open reduction and internal fixation of the femur with angular stability plate and screws. We could not find a similar case in the literature. An early diagnosis of the dislocation is crucial in order to obtain good results. Great awareness and radiologic examination are fundamental to achieve precocious diagnosis of both these rare combined injuries, as treatment in these cases is considered an emergency...
2016: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/27818987/total-knee-arthroplasty-with-subvastus-approach-in-patient-with-chronic-post-traumatic-patellar-dislocation
#14
Jader Joel Machado Junqueira, Camilo Partezani Helito, Marcelo Batista Bonadio, Jose Ricardo Pécora, Marco Kawamura Demange
Chronic lateral dislocation of the patella is a rare condition and acquired causes are usually secondary to knee trauma. The neglected chronic dislocation leads to progressive genu valgum and external tibial torsion deformities with subsequent gonarthrosis, which becomes painful and debilitating. There is no consensus regarding treatment of these patients, but total knee arthroplasty (TKA) is a useful therapy in cases of painful symptomatic gonarthrosis. Few reports have shown that subvastus approach and lateral release may be a valid option for TKA, since it allows the correction of valgus deformity and patellar tracking without interrupting vascular blood supply of patella...
September 2016: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/27811513/patellofemoral-pain-and-instability-in-adolescent-athletes
#15
Matthew Bessette, Paul Saluan
Injuries and disorders of the patellofemoral joint in the adolescent athlete can encompass a wide spectrum of symptomatology and pathology. Anterior knee pain is a common presenting symptom in sports medicine clinics, and can have numerous underlying etiologies. This activity-related pain may be the manifestation of enthesopathy, tendinopathy, fat pad impingement, or numerous other conditions, but is more commonly related to more subtle skeletal and muscular imbalances. Treatment is typically nonoperative in nature, and excellent results are reported with physical therapy...
December 2016: Sports Medicine and Arthroscopy Review
https://www.readbyqxmd.com/read/27788528/factors-associated-with-knee-stiffness-following-surgical-management-of-multiligament-knee-injuries
#16
Jessica Hanley, Robert Westermann, Shane Cook, Natalie Glass, Ned Amendola, Brian R Wolf, Matthew Bollier
Postoperative knee stiffness can influence outcomes following operative treatment of multiligament knee injuries (MLKIs). The purpose of this study was to evaluate patient and surgical factors that may potentially contribute to stiffness following surgery for MLKIs. All surgically managed MLKIs involving two or more ligaments over a 10-year period at a single level one trauma center were included in this study. A retrospective review was performed to gather objective data related to the development of knee stiffness after surgery...
October 27, 2016: Journal of Knee Surgery
https://www.readbyqxmd.com/read/27782936/the-lateral-wedge-augmentation-trochleoplasty-in-a-pediatric-population-a-5-year-follow-up-study
#17
Sébastien Pesenti, Benjamin Blondel, Gregory Armaganian, Sébastien Parratte, Gérard Bollini, Franck Launay, Jean-Luc Jouve
Patellofemoral instability in children requires surgery when recurrent dislocation occurs. The aim of this study is to report the 5-year clinical and radiographic outcomes following lateral wedge augmentation trochleoplasty of the femoral trochlea. This is a review of 23 (mean age: 12.5 years) patients who underwent surgery for recurrent patellar dislocations related to a flat trochlea. In every case, a lateral wedge augmentation trochleoplasty was performed with preservation of the growth plate. This surgery was consistently associated with a soft tissue procedure...
October 25, 2016: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/27774328/a-case-of-bilateral-permanent-subluxation-of-the-lateral-meniscus
#18
Jun Suganuma, Tadashi Sugiki, Yutaka Inoue
We report a case of bilateral, permanent subluxation of the lateral meniscus. To our knowledge, the present case is the first reported description of bilateral irreducible anterior dislocation of the posterior segment of the lateral meniscus. This disorder is characterized by a flipped meniscus sign of the lateral meniscus on sagittal magnetic resonance images of the knee joint, with no history of trauma or locking symptoms. A detailed examination of serial magnetic resonance images of the lateral meniscus can help differentiate this condition from malformation of the lateral meniscus, that is, a double-layered meniscus...
2016: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/27765469/patellar-dislocation-not-the-bees-knees
#19
Martin Duignan, Mary McGibney
BACKGROUND: Patellar dislocations are common, particularly in the adolescent polulation. Registered Advanced Nurse Practitioners are healthcare professionals who can appropriately manage these injuries to minimise the risk of chronicity. METHODS: This is a case study which uses a clinical examplar from the authors practice focusing on the assessment, diagnosis and managment of patellar dislocations. Particular reference is made of the significance of the MPFL. RESULTS: This paper highlights the importance of recognition of appropriate management of patellar dislocations in the ED setting...
October 17, 2016: International Emergency Nursing
https://www.readbyqxmd.com/read/27754067/os-16-06-risk-factors-for-serious-fall-injuries-following-initiation-of-antihypertensive-medication
#20
Kristi Reynolds, Daichi Shimbo, C Barrett Bowling, Luqin Deng, Adam Bress, John Sim, Paul Muntner
OBJECTIVE: To identify risk factors for serious fall injuries following initiation of antihypertensive medication among older adults. DESIGN AND METHOD: We conducted a retrospective cohort study using a 5% random sample of people with Medicare health insurance, a government program for older US adults. The analysis was restricted to patients with a diagnosis of hypertension who initiated antihypertensive medication between 2007 and 2011. Initiation was defined by the first antihypertensive medication fill in this time period preceded by 365 days with no antihypertensive medication fills...
September 2016: Journal of Hypertension
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