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Hip Anatomy

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https://www.readbyqxmd.com/read/29455347/a-prospective-comparative-study-of-hip-resurfacing-arthroplasty-and-large-diameter-head-metal-on-metal-total-hip-arthroplasty-in-younger-patients-a-minimum-of-five-year-follow-up
#1
Ran Tao, Fan Liu, Ya-Ke Liu, Yue Lu, Hua Xu, Yi Cao, Zhen-Yu Zhou, Wei Wang
INTRODUCTION: Both hip resurfacing arthroplasty (HRA) and large-diameter head metal-on-metal total hip arthroplasty (LDH MoM THA) are generally used for young and active patients. A number of comparative studies of HRA and total hip arthroplasty have been published in the literature. However, studies that have compared HRA with LDH MoM THA are rare. The purpose of this study is to compare the mid-term results of HRA with those of LDH MoM THA in young patients. PATIENTS AND METHODS: Between 2007 and 2011, 68 patients were enrolled in the study and randomized into two groups: HRA group (28 hips) and LDH MoM THA group (40 hips)...
February 18, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29451057/comparison-between-modified-dunn-procedure-and-in-situ-fixation-for-severe-stable-slipped-capital-femoral-epiphysis
#2
Giovanni Trisolino, Stefano Stilli, Giovanni Gallone, Pedro Santos Leite, Giovanni Pignatti
Background and purpose - The best treatment option for severe slipped capital femoral epiphysis (SCFE) is still controversial. We compared clinical and radiographic outcomes of modified Dunn procedure (D) and in situ fixation (S) in severe SCFE. Patients and methods - We retrospectively compared D and S, used for severe stable SCFE (posterior sloping angle (PSA) > 50°) in 29 patients (15 D; 14 S). Propensity analysis and inverse probability of treatment weights (IPTW) to adjust for baseline differences were performed...
February 16, 2018: Acta Orthopaedica
https://www.readbyqxmd.com/read/29419700/deep-femoral-artery-branch-pseudoaneurysm-formation-and-injury-after-hip-fracture-surgery-a-case-series-and-a-literature-review
#3
Bin-Fei Zhang, Yu-Xuan Cong, Peng-Fei Wang, Hai Huang, Hu Wang, Yan Zhuang
INTRODUCTION: Complications involving vascular injuries after hip fracture are rare, and the diagnosis and management of deep femoral artery (DFA) injuries are challenging. We reported 4 cases of DFA injuries after hip fracture surgery and aimed to discuss their early detection, treatment, and prevention. METHODS: We reviewed 4 cases of deep femoral injury after hip fracture. Case 1: a 71-year-old woman suffered a fracture around a prosthesis. Cases 2-4: 2 men and 1 woman suffered subtrochanteric or intertrochanteric fracture...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29417986/three-dimensional-anatomy-of-the-anthropoid-bony-pelvis
#4
Carol V Ward, Scott D Maddux, Emily R Middleton
OBJECTIVES: Pelvic form is hypothesized to reflect locomotor adaptation in anthropoids. Most observed variation is found in the ilium, which traditionally is thought to reflect thoracic and shoulder morphology. This article examines the articulated bony pelvis of anthropoids in three dimensions (3D) to test hypothesized variation in pelvic anatomy related to overall torso form. MATERIALS AND METHODS: Sixty landmarks were collected on articulated pelves from 240 anthropoid individuals...
February 8, 2018: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/29416969/-in-round-labral-repair-after-acetabular-recession-using-intermittent-traction
#5
Nathan W Skelley, William K Conaway, Scott D Martin
The prevalence of hip arthroscopy has increased exponentially with the advent of arthroscopic labral repair techniques for femoroacetabular impingement. The goal of arthroscopic labral repair is to re-create the anatomic suction seal of the labrum against the femoral head. This important anatomic relationship has been demonstrated in several biomechanical studies. Performing the acetabular recession and evaluating the congruity of labral repairs during surgery is difficult with the application of traction distracting the femoral head from the chondrolabral junction...
October 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29405367/the-influence-of-evolution-on-cam-deformity-and-its-impact-on-biomechanics-of-the-human-hip-joint
#6
REVIEW
Helen Anwander, Martin Beck, Lorenz Büchler
Anatomy and biomechanics of the human hip joint are a consequence of the evolution of permanent bipedal gait. Habitat and behaviour have an impact on hip morphology and significant differences are present even within the same biological family. The forces acting upon the hip joint are mainly a function of gravitation and strength of the muscles. Acetabular and femoral anatomy ensure an inherently stable hip with a wide range of motion. The femoral head in first human ancestors with upright gait was spherical (coxa rotunda)...
February 5, 2018: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29399469/comprehensive-clinical-evaluation-of-femoroacetabular-impingement-part-3-magnetic-resonance-imaging
#7
Andrew G Geeslin, Matthew G Geeslin, Jorge Chahla, Sandeep Mannava, Salvatore Frangiamore, Marc J Philippon
Radiologic imaging is an essential supplement to the physical examination in the evaluation of a patient with femoroacetabular impingement. Plain radiographs are the initial modality of choice for the evaluation of bony anatomy and pathology. Magnetic resonance imaging supplements the physical examination and standard radiographs by enabling qualitative and quantitative evaluation of both articular cartilage and soft tissues about the hip. Magnetic resonance imaging also provides improved 3-dimensional characterization of the bony anatomy owing to the multiplanar nature of this technique...
October 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29398996/scaling-marker-position-determines-the-accuracy-of-digital-templating-for-total-hip-arthroplasty
#8
Austin J Ramme, Nina D Fisher, Jonathan Egol, Gregory Chang, Jonathan M Vigdorchik
Background: Digital templating systems foster patient-specific measurements for preoperative planning. Questions/Purposes: We aim (1) to verify the accuracy of a templating system, (2) to describe the effects of scaling marker position on the accuracy of digital templating of the hip, and (3) to provide a practical guide for scaling marker position using patient body mass index (BMI). Methods: A scaling sphere was placed in five positions along the anterior-posterior axis of an acetabular implant and pelvis phantom, and x-rays were obtained...
February 2018: HSS Journal: the Musculoskeletal Journal of Hospital for Special Surgery
https://www.readbyqxmd.com/read/29387637/three-dimensional-architecture-of-the-ligamentum-teres-in-the-human-hip-joint
#9
Nobuhiro Kaku, Tatsuo Shimada, Tomonori Tabata, Hiroaki Tagomori, Tetsutaro Abe, Juan Juan Zhang, Hiroshi Tsumura
Background: We aimed to investigate the three-dimensional structure of the collagenous fibers of the ligamentum teres (LT) of the human hip and clarify the LT micro-anatomy at the attachment of the femoral head. Methods: Femoral heads and LT were collected during hip arthroplasty. Specimens were cut into 5-10-mm squares, prepared, developed, and observed under a light microscope. Next, specimens were prepared and examined under a scanning electron microscope (SEM)...
July 2017: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/29365056/the-ideal-thigh-a-crowdsourcing-based-assessment-of-ideal-thigh-aesthetic-and-implications-for-gluteal-fat-grafting
#10
Emma Vartanian, Daniel J Gould, Ziyad S Hammoudeh, Beina Azadgoli, W Grant Stevens, Luis H Macias
Background: As the popularity of aesthetic gluteoplasty continues to grow, there is renewed focus on defining the ideal buttocks. However, the literature lacks studies characterizing an ideal thigh, despite the impact of thigh contour on overall gluteal aesthetic. Objectives: The authors performed the first population analysis of the characteristics of perception of attractive thighs, to identify a role for fat grafting of the thigh in gluteoplasty. Methods: Survey images were digitally modified to create thighs of varying widths and angles relative to fixed buttocks...
January 20, 2018: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/29352333/long-term-results-of-custom-cementless-stem-total-hip-arthroplasty-performed-in-hip-fusion
#11
Xavier Flecher, Matthieu Ollivier, Pascal Maman, Sébastien Pesenti, Sébastien Parratte, Jean-Noël Argenson
INTRODUCTION: Due to complex anatomical considerations, results of cementless-stem total hip arthroplasty (THA) in hip fusion remain controversial compared with conventional THA. We therefore aimed to analyse 3D anatomy of the fused hip based on pre-operative computed tomography (CT) scans, functional outcomes based on the Harris Hip Score (HHS) and the Hip Disability and Osteoarthritis Outcome Score (HOOS), modifications of hip anatomy based on post-operative standardised radiography, and determine complication rate and long-term survival based on Kaplan-Meier analysis...
January 19, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29349029/puncture-capsulotomy-during-hip-arthroscopy-for-femoroacetabular-impingement-preserving-anatomy-and-biomechanics
#12
William K Conaway, Scott D Martin
We describe an arthroscopic technique for the treatment of labral pathology and femoroacetabular impingement that provides excellent access to the central and peripheral compartments while preserving the biomechanically crucial components of hip joint stability. The hip capsule and the ligaments within it have been shown to be integral to hip biomechanical stability. Other popular techniques such as interportal and T-capsulotomy inherently damage the capsuloligamentous complex of the hip and can be associated with postoperative gross instability, micro-instability, heterotopic ossification, and seroma...
December 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29318091/nerve-blocks-in-the-geriatric-patient-with-hip-fracture-a-review-of-the-current-literature-and-relevant-neuroanatomy
#13
REVIEW
Nirav H Amin, Jacob A West, Travis Farmer, Hrayr G Basmajian
Introduction: Hip fracture is a common occurrence in the elderly population with high morbidity and mortality due to postoperative pain and opioid use. The goal of this article is to review the current literature on the neuroanatomy of the hip and the use of localized nerve block in controlling hip fracture pain. Methods: A thorough search of MEDLINE/PubMed, Embase, and the Cochrane Database of Systematic Reviews was conducted using the search terms "hip fracture" and "fascia iliaca block (FICB)...
December 2017: Geriatric Orthopaedic Surgery & Rehabilitation
https://www.readbyqxmd.com/read/29299479/are-the-anatomy-textbooks-wrong-a-clinical-patho-anatomic-study-of-foveal-vessels-in-the-round-ligament-of-the-hip
#14
John W Barrington, Nipun Sodhi, Muzaffar Ali, Anton Khlopas, Assem A Sultan, James R Kee, Kristopher A Holmes, Omar Hariri, Jared M Newman, Michael A Mont
Background: The foveal vessels of the ligamentum teres are an anterior branch of the posterior division of the obturator artery, providing blood to the capitis of the femoral head. However, the basic anatomic description of foveal vasculature in the ligamentum teres of the hip is widely variable, with some studies reporting that the vessels are not patent in roughly one third of all adults. Therefore, the purpose of this study was to evaluate the status of foveal vessels in primary total hip arthroplasty (THA) patients...
December 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/29273830/a-posterior-labral-cyst-associated-with-an-anterior-labral-tear-of-the-hip
#15
Elizabeth Scott, Robert Westermann, James Rosneck
Paralabral cysts are often associated with labral and other intraarticular hip pathology; MRI as well as diagnostic ultrasound can assist in diagnosis. Although often considered a coincidental finding, paralabral cysts can be a separate pain generator about the hip through compression of surrounding anatomy. They can also be initially mistaken for malignancy or other pathology by providers unfamiliar with their appearance. We present the case of an active 33-year-old female with right hip pain secondary to a large symptomatic posterior acetabular paralabral cyst with concomitant anterior labral tear...
December 22, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/29246717/comparative-analysis-of-the-reconstruction-of-individual-hip-anatomy-using-3-different-cementless-stem-designs-in-patients-with-primary-hip-osteoarthritis
#16
Moritz M Innmann, Katrin Spier, Marcus R Streit, Peter R Aldinger, Thomas Bruckner, Tobias Gotterbarm, Christian Merle
BACKGROUND: We questioned whether there was a radiographic difference in hip geometry reconstruction and implant fixation between 3 different cementless stem design concepts in patients with primary end-stage hip osteoarthritis. METHODS: We retrospectively evaluated the preoperative and postoperative radiographs by 2 independent and blinded reviewers in a series of 264 consecutive patients who had received either a straight double-tapered stem with 3 offset options (group A), a straight double-tapered stem with 2 shape options and modular necks (group B), and a bone-preserving curved tapered stem with 4 offset options (group C)...
November 21, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29234647/radiographic-anatomy-of-the-proximal-femur-femoral-neck-fracture-vs-transtrochanteric-fracture
#17
Ana Lecia Carneiro Leão de Araújo Lima, Saul Caldas Miranda, Hudson Felipe Oliveira de Vasconcelos
Objective: To evaluate the correlation between radiographic parameters of the proximal femur with femoral neck fractures or transtrochanteric fractures. Methods: Cervicodiaphyseal angle (CDA), femoral neck width (FNW), hip axis length (HAL), and acetabular tear drop distance (ATD) were analyzed in 30 pelvis anteroposterior view X-rays of patients with femoral neck fractures (n = 15) and transtrochanteric fractures (n = 15). The analysis was performed by comparing the results of the X-rays with femoral neck fractures and with transtrochanteric fractures...
November 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/29234567/nerve-entrapment-in-the-hip-region-current-concepts-review
#18
RobRoy Martin, Hal David Martin, Benjamin R Kivlan
The purpose of this clinical commentary is to review the anatomy, etiology, evaluation, and treatment techniques for nerve entrapments of the hip region. Nerve entrapment can occur around musculotendinous, osseous, and ligamentous structures because of the potential for increased strain and compression on the peripheral nerve at those sites. The sequela of localized trauma may also result in nerve entrapment if normal nerve gliding is prevented. Nerve entrapment can be difficult to diagnose because patient complaints may be similar to and coexist with other musculoskeletal conditions in the hip and pelvic region...
December 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/29202351/psoas-abscess-masquerading-as-a-prosthetic-hip-infection-a-case-report
#19
Muhammad Atif, Azeem Tariq Malik, Shahryar Noordin
INTRODUCTION: Psoas abscess is an unusual condition and is defined as a collection of pus in the iliopsoas compartment. Due to the unique anatomy of psoas muscle it forms a conduit for spread of infection from upper part of body to hip joint in neglected cases. CASE PRESENTATION: A 67year old lady presented with left groin pain for three weeks. She underwent an uncemented unipolar hemiarthoplasty eight years back. Currently, she developed fever and was unable to do any active left hip range of motion...
December 1, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29200662/gearing-effects-of-the-patella-knee-extensor-muscle-sesamoid-of-the-helmeted-guineafowl-during-terrestrial-locomotion
#20
V R Allen, R E Kambic, S M Gatesy, J R Hutchinson
Human patellae (kneecaps) are thought to act as gears, altering the mechanical advantage of knee extensor muscles during running. Similar sesamoids have evolved in the knee extensor tendon independently in birds, but it is unknown if these also affect the mechanical advantage of knee extensors. Here, we examine the mechanics of the patellofemoral joint in the helmeted guineafowl Numida meleagris using a method based on muscle and tendon moment arms taken about the patella's rotation centre around the distal femur...
November 2017: Journal of Zoology: Proceedings of the Zoological Society of London
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