نتایج جستجو برای: 4441 and 4306 tha respectively
تعداد نتایج: 16828048 فیلتر نتایج به سال:
this thesis basically deals with the well-known notion of the bear-invariant of groups, which is the generalization of the schur multiplier of groups. in chapter two, section 2.1, we present an explicit formula for the bear-invariant of a direct product of cyclic groups with respect to nc, c>1. also in section 2.2, we caculate the baer-invatiant of a nilpotent product of cyclic groups wuth resp...
BACKGROUND Topical tranexamic acid (TXA) has been shown to be effective in reducing blood loss and the need for transfusion after total knee arthroplasty. However, the effectiveness of topical TXA use in total hip arthroplasty (THA) still remains unclear. The purpose of this meta-analysis is to examine the safety and efficacy of topical use of TXA following THA. HYPOTHESIS Topical TXA reduces...
INTRODUCTION Little research has examined postrehabilitation functional outcomes of periprosthetic hip fractures. Predicted functional deficits and acceptable rehabilitation outcomes for these patients are not established. This study aimed to compare functional outcomes of periprosthetic fractures to matched patients with total hip arthroplasty (THA). MATERIALS AND METHODS Cases with peripros...
Background: This study aims to present an overview and critical appraisal of all previous studies comparing costs outcomes the different modes fixation in total hip arthroplasty (THA). A secondary aim is provide conclusions regarding most cost-effective mode implant per gender age-specific population THA, based on high quality studies.Methods: systematic search was conducted identify cost-effec...
Evidence base and practice variation in acute care processes for knee and hip arthroplasty surgeries
BACKGROUND Lack of evidence contributes to unnecessary variation in treatment costs and outcomes. This study aimed to identify from interventions historically used for total knee or hip arthroplasty (TKA, THA): i) if routine use is supported by high-level evidence; ii) whether surgeon use aligns with the evidence. METHODS Part 1: Systematic search of electronic library databases for systemati...
Do Surgeon Expectations Predict Clinically Important Improvements in WOMAC Scores After THA and TKA?
BACKGROUND Failure of THA or TKA to meet a patient's expectations may result in patient disappointment and litigation. However, there is little evidence to suggest that surgeons can consistently anticipate which patients will benefit from those interventions. QUESTIONS/PURPOSES To determine the ability of surgeons to identify, in advance of surgery, patients who will benefit from THA or TKA a...
in this thesis, a new optically active poly(amide-imide) (pai) was synthesized by the indirect polycondensation reaction of the l-phenylalanine based diacid chloride and 4,4?-diaminodiphenylether in the presence of triethylamine in n-methyl-2-pyrrolidone. the formation of pai was confirmed by ftir, 1h nmr and elemental analysis. in next step, the surface of titanium dioxide (tio2) nanoparticles...
BACKGROUND By measuring very early changes in muscle strength and functional performance after fast-track total hip arthroplasty (THA), post-operative rehabilitation, introduced soon after surgery, can be designed to specifically target identified deficits. OBJECTIVES Firstly, to quantify changes (compared to pre-operative values) in hip muscle strength, leg-press power, and functional perfor...
BACKGROUND: Nowadays total hip arthroplasty (THA) is the method of choice for treatment late stages osteonecrosis femoral head (OFH) and osteoarthritis (OA) joint.
 OBJECTIVE: To evaluate efficacy complication pattern THA in OFH OA.
 MATERIALS AND METHODS: The study included 74 patients who underwent primary OA IIIIV (Kellgren Lawrence classification) (ARCO classification). Group 1 34...
the purpose of this study is to investigate the relationships between teachers’ immediacy behaviors and iranian students’ willingness to talk in english classes. analysis of the results from willingness to talk scale represents a relatively high level of willingness to talk in english classrooms among iranian language learners. the total mean score of students’ willingness to talk was 66.3 ou...
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