Introduction: The purpose of this study was to examine the epidemiology of primary and
revision total hip arthroplasty (THA) in teaching and nonteaching hospitals. Methods: The …

Background Periprosthetic hip fractures (PPHFx) are challenging complications that have
become increasingly more prevalent. Wide variability exists in the quality and size of prior …

Background Iliopsoas impingement after total hip arthroplasty (THA) occurs in up to 4.3% of
patients resulting in functional groin pain. Operative treatment historically has included open …

Background Surgical treatment of vertebral osteomyelitis, discitis, and epidural abscesses is
indicated in the setting of failure of antibiotic therapy, neurological deficits, epidural abscess…

BACKGROUND CONTEXT Vertebral body osteomyelitis, discitis, and epidural abscesses
are complex medical problems that are associated with significant morbidity and mortality. …

BACKGROUND CONTEXT Sagittal balance of the lumbar spine involves a distribution of
lordosis favoring the lower segments. Patients with a normal lumbar lordosis distribution are …

BACKGROUND CONTEXT Sarcopenia is defined as a progressive loss of skeletal muscle
mass and strength. It is a marker of frailty not directly captured by other risk stratification …

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Background Virtual reality simulation training may improve the technical skills of interventional
radiologists when establishing endovascular thrombectomy at limited-volume stroke …

Animal Evolution provides a comprehensive analysis of the evolutionary interrelationships
and myriad diversity of the Animal Kingdom. It reviews the classical, morphological …