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Despite widespread acceptance of total knee replacement surgery's clinical effectiveness, variation persists in long-term functional outcome. Our aim was to quantify the relative contributions of physical and emotional coexisting conditions to the variation in improvement in 12-month post-total knee replacement physical function. Data from 165 patients who(More)
STUDY DESIGN The aim of this study is to characterize the anatomy of vertebral arteries using magnetic resonance imaging scans of 250 consecutive patients. OBJECTIVES To document the prevalence of midline vertebral artery (VA) migration in a subgroup of patients presenting with neck pain, radiculopathy, or myelopathy and to identify the course of the VA(More)
UNLABELLED Total knee replacement effectively relieves arthritis pain but improvement in physical function varies. A clearer understanding of the patient attributes associated with differing levels of functional gain after TKR is critical to surgical decision making. We reviewed 8050 primary, unilateral TKR patients enrolled in a prospective registry(More)
In this study, 107 primary total joint replacement (TJR) patients were assessed preoperatively using the SF-36 (Mental Component Score [MCS] and Physical Component Score [PCS]), Beck Depression Inventory (BDI), Spielberger Trait Anxiety Inventory, Interpersonal Support Evaluation List, and the Coping Strategies Questionnaire. Patients with preoperative MCS(More)
Choline is required to make essential membrane phospholipids. It is a precursor for the biosynthesis of the neurotransmitter acetylcholine and also is an important source of labile methyl groups. Mammals fed a choline-deficient diet develop liver dysfunction; however, choline is not considered an essential nutrient in humans. Healthy male volunteers were(More)
BACKGROUND Surgical management of ankle fractures will be an increasing part of the orthopaedic practice for aging adults. To date, there are few studies comparing outcomes after ankle fracture surgery between patients over and under 65 years. The purpose of this study was to evaluate short- and long-term outcomes after surgical treatment of isolated(More)
BACKGROUND Although the majority of patients report substantial gains in physical function following primary total knee replacement, the degree of improvement varies widely. To understand the potential role of preoperative pain due to other musculoskeletal conditions on postoperative outcomes, we quantified bilateral knee and hip pain and low back pain(More)
OBJECTIVE Decreasing reimbursement provided by third-party payors necessitates reduction of costs for providing critical care services. If academic medical centers are to remain viable, methods must be instituted that allow cost reduction through practice change. METHODS We used short cycle improvement methodology to rapidly achieve these goals. Short(More)