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OBJECTIVE Comparative effectiveness research has mostly been focused on comparison of treatment techniques. The goal of the present study was to extend the research to physician specialty. BACKGROUND Both surgeons and interventionalists (cardiologists and radiologists) are involved in endovascular repairs (EVAR) of aortic aneurysms, with different(More)
STUDY DESIGN Cross-sectional analysis of the American College of Surgeons' National Surgical Quality Improvement Program database between 2005 and 2011. OBJECTIVE To determine whether differences exist in 30-day rate of return to the operating room, mortality, and other perioperative outcomes for spinal fusion by specialty. SUMMARY OF BACKGROUND DATA(More)
OBJECT There is limited information on the relationship between patient age and the clinical benefit of resection in patients with glioblastoma. The purpose of this study was to use a population-based database to determine whether patient age influences the frequency that gross-total resection (GTR) is performed, and also whether GTR is associated with(More)
OBJECT Using a database that enabled longitudinal follow-up, the authors assessed the long-term outcomes of unruptured cerebral aneurysms repaired by clipping or coiling. METHODS An observational analysis of the California Office of Statewide Health Planning and Development (OSHPD) database, which follows patients longitudinally in time and through(More)
OBJECTIVE Anterior lumbar interbody fusion (ALIF) is a common procedure used to treat various lumbar degenerative pathologies. The purpose of this study is to describe 30-day postoperative outcomes following ALIF on a national scale. METHODS The American College of Surgeons National Surgery Quality Improvement Program (ACS NSQIP) was searched for ALIF(More)
BACKGROUND Management of patients afflicted with brain metastasis requires tailoring of therapeutic strategies based on survival expectations. Therefore, the development of prognostic indices is of critical importance in this patient population. OBJECTIVE To determine whether the cumulative intracranial tumor volume (CITV) of brain metastasis augments the(More)
Conflicting reports and surgeon opinions have contributed to a long-standing debate regarding the merits of the intact canal wall versus canal wall down approach to cholesteatoma. The objective of this analysis was to identify and synthesize available data concerning rates of recidivism after the two primary types of cholesteatoma surgery. PubMed, Cochrane(More)
OBJECTIVE To determine the rate of surgical site infection (SSI) after resection of an intracranial neoplasm using the American College of Surgeons National Surgical Quality Improvement Program data set and to identify potential risk factors associated with SSI. METHODS The National Surgical Quality Improvement Program Participant Use Data File was(More)
BACKGROUND Emerging literature has supported the safety of nonoperative management of uncomplicated appendicitis. STUDY DESIGN Patients with emergent, uncomplicated appendicitis were identified by appropriate ICD-9 diagnosis codes in the California Office of Statewide Health Planning and Development database from 1997 to 2008. Rates of treatment failure,(More)