Results 41 to 50 of about 1,757,118 (380)

Wilson, fixed point and Neuberger's lattice Dirac operator for the Schwinger model

open access: yes, 1998
We perform a comparison between different lattice regularizations of the Dirac operator for massless fermions in the framework of the single and two flavor Schwinger model.
Farchioni, F., Hip, I., Lang, C. B.
core   +1 more source

Consistency in patient-reported outcomes after total hip replacement: A 6-year registry follow-up of 15,755 patients

open access: yesActa Orthopaedica, 2017
Purpose — The primary objective in this study was to describe the patient-reported outcome measures (PROMs) of total hip replacement (THR) patients 6 years after index surgery.
Albin Bengtsson   +4 more
doaj   +1 more source

Do Not Take for Granted! The Art of Elevating the Capsule in Hip Arthroscopy: A Stepwise Approach

open access: yesArthroscopy Techniques, 2019
Different techniques have been described to close or plicate the capsule. To perform these procedures, however, the capsule must be preserved, a consideration unfortunately often overlooked.
David R. Maldonado, M.D.   +7 more
doaj   +1 more source

Microscopic Dirac Spectrum in a 2d Gauge Theory with Zero Chiral Condensate

open access: yes, 2013
Fermionic theories with a vanishing chiral condensate (in the chiral limit) have recently attracted considerable interest; in particular variants of multi-flavour QCD are candidates for this behaviour.
Bietenholz, Wolfgang   +2 more
core   +1 more source

Mortality after osteoporotic hip fracture: incidence, trends, and associated factors

open access: yesJournal of Orthopaedic Surgery and Research, 2019
BackgroundIt is known that mortality after hip fracture increases compared to the general population; the trend in mortality is a controversial issue.The objective of this study is to examine incidence, trends, and factors associated with mortality in ...
O. Guzon-Illescas   +7 more
semanticscholar   +1 more source

Mild acetabular dysplasia and risk of osteoarthritis of the hip : a case-control study [PDF]

open access: yes, 2010
Objective To determine whether mild variation in acetabular depth (AD) and shape is a risk factor for osteoarthritis (OA) of the hip. Methods The unaffected contralateral hip of patients with unilateral hip OA was compared with hips of asymptomatic ...
Doherty, Michael   +6 more
core   +1 more source

Are we missing the sitting? Agreement between accelerometer non-wear time validation methods used with older adults’ data

open access: yesCogent Medicine, 2017
We used Bland Altman plots to compare agreement between a self-report diary and five different non-wear time algorithms [an algorithm that uses ≥60 min of consecutive zeroes (Troiano) and four variations of an algorithm that uses ≥90 min of consecutive ...
Anna M. Chudyk   +4 more
doaj   +1 more source

Arthroscopic Ligamentum Teres Reconstruction Using Anterior Tibialis Allograft and the Tension-Slide Technique

open access: yesArthroscopy Techniques, 2019
Once perceived to be a vestigial structure, the ligamentum teres (LT) is now increasingly understood to be critical to providing stability in the adult hip.
David R. Maldonado, M.D.   +7 more
doaj   +1 more source

Microfracture in Hip Arthroscopy. Keep It Simple!

open access: yesArthroscopy Techniques, 2019
Despite all the advances in hip arthroscopy, microfracture is still the workhorse for treating focal and full-thickness cartilage lesions. The success of this treatment is owed to its reliability and simplicity.
David R. Maldonado, M.D.   +7 more
doaj   +1 more source

Total Hip Arthroplasty or Hemiarthroplasty for Hip Fracture.

open access: yesNew England Journal of Medicine, 2019
BACKGROUND Globally, hip fractures are among the top 10 causes of disability in adults. For displaced femoral neck fractures, there remains uncertainty regarding the effect of a total hip arthroplasty as compared with hemiarthroplasty.
M. Bhandari   +15 more
semanticscholar   +1 more source

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