- Cardiac, Anesthesia and Surgical Outcomes
- Hernia repair and management
- Hip and Femur Fractures
- Aortic aneurysm repair treatments
- Blood Pressure and Hypertension Studies
- Pelvic and Acetabular Injuries
- Epigenetics and DNA Methylation
- Surgical site infection prevention
- Cancer-related gene regulation
- Dementia and Cognitive Impairment Research
- Pharmaceutical Practices and Patient Outcomes
- Emergency and Acute Care Studies
- Coronary Interventions and Diagnostics
- Enhanced Recovery After Surgery
- Hemodynamic Monitoring and Therapy
- Abdominal Surgery and Complications
- Cardiovascular Syncope and Autonomic Disorders
- Heart Failure Treatment and Management
- Antiplatelet Therapy and Cardiovascular Diseases
- Primary Care and Health Outcomes
- Stoma care and complications
- Health disparities and outcomes
- Geriatric Care and Nursing Homes
- Healthcare Policy and Management
- Cardiac Imaging and Diagnostics
VA Palo Alto Health Care System
2018-2025
Stanford University
2018-2025
University of Birmingham
2025
International Institute for Applied Systems Analysis
2025
Center for Innovation
2018-2024
Deakin University
2024
Menlo School
2024
Stanford Medicine
2021-2024
Age UK
2024
Cumbria Northumberland Tyne and Wear NHS Foundation Trust
2013-2023
Guidelines recommend delaying noncardiac surgery in patients after coronary stent procedures for 1 year drug-eluting stents (DES) and 6 weeks bare metal (BMS). The evidence underlying these recommendations is limited conflicting.To determine risk factors adverse cardiac events undergoing following implantation.A national, retrospective cohort study of 41,989 Veterans Affairs (VA) non-VA operations occurring the 24 months a implantation between 2000 2010. Nonlinear generalized additive models...
In Brief Objectives: The objective of this study was to evaluate whether the Surgical Care Improvement Project (SCIP) improved surgical site infection (SSI) rates using national data at patient level for both SCIP adherence and SSI occurrence. Background: established in 2006 with goal reducing complications by 25% 2010. Methods: National Veterans' Affairs (VA) from 2005 2009 on 5 prevention measures were linked Quality Program outcome data. Effect year surgery assessed logistic regression...
Timing of prophylactic antibiotic administration for surgical procedures is a nationally mandated and publicly reported quality metric sponsored by the Centers Medicare Medicaid Services Surgical Care Improvement Project. Numerous studies have failed to demonstrate that adherence Project timely measure associated with decreased site infection (SSI). OBJECTIVE; To determine whether timing SSI occurrence.Retrospective cohort study using national Veterans Affairs patient-level data on...
This study aimed to assess the attributable risk and potential benefit of smoking cessation on surgical outcomes.Risk reduction with implementation care improvement project process measures has been primary focus for improving outcomes. Little emphasis placed preoperative factor recognition intervention.A retrospective cohort analysis elective operations from 2002 2008 in Veterans Affairs Surgical Quality Improvement Program all specialties was performed. Patients were stratified by current,...
In Brief Objective: To determine the relationship between oral antibiotic bowel preparation (OABP) and surgical site infection (SSI) rates in a national colectomy cohort. Background: OABP for elective colorectal surgery has fallen out of favor. Large cohort studies show that is associated with 50% reduction SSI after colectomy. Methods: A retrospective analysis National Surgical Quality Improvement Program from 2011 to 2012 was performed examine association use outcomes SSI, length stay...
AimChronic right ventricle (RV) apical (RVA) pacing is standard treatment for an atrioventricular (AV) block but may be deleterious to left (LV) systolic function. Previous clinical studies of non-apical have produced conflicting results. The aim this randomized, prospective, international, multicentre trial was compare change in LV ejection fraction (LVEF) between ventricular and high septal (RVHS) over a 2-year study period.
Frail patients are known to have poor perioperative outcomes. There is a paucity of literature investigating how the Modified Frailty Index (mFI), validated measure frailty, associated with unplanned readmission among military veterans following surgery.To understand association between frailty and 30-day postoperative readmission.A retrospective cohort study was conducted adult who underwent surgery were discharged alive from Veterans Affairs hospitals for orthopedic, general, vascular...
Background and Purpose— Botulinum toxin is increasingly used to treat upper limb spasticity due stroke, but its impact on arm function unclear. We evaluated botulinum for poststroke. Methods— Three hundred thirty-three patients with stroke reduced participated in a multicenter randomized controlled trial. The intervention group received type A injection(s) plus 4-week therapy program. control the program alone. Repeat were available at 3, 6, 9 months. primary outcome was 1 month (Action...
Objective: We hypothesized that inpatient postoperative pain trajectories are associated with 30-day readmission and emergency department (ED) visits. Background: Surgical readmissions have few known modifiable predictors. Pain experienced by patients may reflect surgical complications and/or inadequate or difficult symptom management. Methods: National Veterans Affairs Quality Improvement data on general, vascular, orthopedic surgery from 2008 to 2014 were merged laboratory, vital sign,...
Antihypertensive medication deprescribing is common among nursing home residents, yet its association with cognitive decline remains uncertain.
<h3>Hypothesis</h3> Enterotomy or unplanned bowel resection (EBR) may occur during elective incisional hernia repair (IHR) and significantly affects surgical outcomes hospital resource use. <h3>Design</h3> Retrospective review of patients undergoing IHR between January 1998 December 2002. <h3>Setting</h3> Sixteen tertiary care Veterans Affairs medical centers. <h3>Patients</h3> A total 1124 repairs identified in the National Surgical Quality Improvement Program data set....
International voluntary service involving people from 'northern' countries represents a widespread and growing phenomenon on the African continent, prompting increased interest in effects of international volunteers. Despite this trend, little research has been conducted contribution to development host organizations communities where volunteers live serve. Drawing interviews focus groups with volunteer Tanzania Mozambique, paper examines benefits challenges for contribute communities....
Urinary tract infection (UTI) as the most common healthcare-associated accounts for up to 36% of all infections. Catheter-associated urinary (CAUTI) 80% these. In many instances indwelling catheter (IDC) insertions may be unjustified or inappropriate, creating potentially avoidable and significant patient distress, embarrassment, discomfort, pain activity restrictions, together with substantial care burden, costs hospitalisation. Multifaceted interventions combining best practice guidelines...
Preoperative hyperglycemia is associated with adverse postoperative outcomes among patients who undergo surgery. Whether preoperative hemoglobin A1c (HbA1c) or glucose levels are more useful in predicting events following surgery uncertain the current literature.To examine use of HbA1c and early for complications readmission.In this observational cohort study, inpatient gastrointestinal surgical procedures performed at 117 Veterans Affairs hospitals from 2007 to 2014 were identified, cases...
Summary The consequences of increasing atmospheric carbon dioxide for long‐term adaptation forest ecosystems remain uncertain, with virtually no studies undertaken at the genetic level. A global analysis using cDNA microarrays was conducted following 6 yr exposure Populus × euramericana (clone I‐214) to elevated [CO 2 ] in a FACE (free‐air CO enrichment) experiment. Gene expression sensitive but response depended on developmental age leaves, and < 50 transcripts differed significantly...
Like many animals, humans are sensitive to the polarization of light. We can detect angle using an entoptic phenomenon called Haidinger's brushes, which is mediated by dichroic carotenoids in macula lutea. While previous studies have characterized spectral sensitivity other aspects remain unexplored. developed a novel methodology for presenting gratings polarization-only contrast at varying degrees order measure lower limits human polarized light detection. Participants were, on average,...