Hari Nathan
YOU?
Author Swipe
View article: Right-Sizing Testing Before Elective Surgery for Patients With Low Risk
Right-Sizing Testing Before Elective Surgery for Patients With Low Risk Open
Importance Guidelines recommend against testing before low-risk surgery in healthy patients because it offers no benefit and may cause harm. However, testing remains prevalent, highlighting the need for a deimplementation strategy that can…
View article: MON-403 The Burden Of Post-thyroidectomy Fatigue In Benign Nodular Thyroid Disease: A Healthcare Utilization And Cost Analysis
MON-403 The Burden Of Post-thyroidectomy Fatigue In Benign Nodular Thyroid Disease: A Healthcare Utilization And Cost Analysis Open
Disclosure: C.B. Jensen: None. S. Xie: None. A. Sinha: None. H. Nathan: None. R.A. Greenup: None. S.C. Pitt: None. Introduction: Fatigue is a common patient complaint after thyroidectomy, yet little is known about its impact on healthcare …
View article: Surgical Approach and Variation in Long-Term Survival Following Colorectal Cancer Surgery Using Instrumental Variable Analysis
Surgical Approach and Variation in Long-Term Survival Following Colorectal Cancer Surgery Using Instrumental Variable Analysis Open
Objective: The study aimed to determine whether increased use of minimally invasive surgical approaches, compared with open, improves long-term survival after colon and rectal cancer resections. Background: Existing prospective and observa…
View article: A Comparison of Spatial and Phenotypic Immune Profiles of Pancreatic Ductal Adenocarcinoma and Its Precursor Lesions
A Comparison of Spatial and Phenotypic Immune Profiles of Pancreatic Ductal Adenocarcinoma and Its Precursor Lesions Open
Pancreatic ductal adenocarcinoma (PDAC) is a devastating disease with a 5-year survival rate of 12.5%. PDAC predominantly arises from non-cystic pancreatic intraepithelial neoplasia (PanIN) and cystic intraductal papillary mucinous neoplas…
View article: Low-Volume Elective Surgery and Outcomes in Medicare Beneficiaries Treated at Hospital Networks
Low-Volume Elective Surgery and Outcomes in Medicare Beneficiaries Treated at Hospital Networks Open
Importance Minimum volume standards have been advocated as a strategy to improve outcomes for certain surgical procedures. Hospital networks could avoid low-volume surgery by consolidating cases within network hospitals that meet volume st…
View article: Determinants and Outcomes Associated With Skilled Nursing Facility Use After Coronary Artery Bypass Grafting: A Statewide Experience
Determinants and Outcomes Associated With Skilled Nursing Facility Use After Coronary Artery Bypass Grafting: A Statewide Experience Open
BACKGROUND: Skilled nursing facility (SNF) care is frequently used after cardiac surgery, but the patterns and determinants of use have not been well understood. The objective of this study was to evaluate determinants and outcomes associa…
View article: Does Anesthesia Quality Improvement Participation Lead to Incremental Savings in a Surgical Quality Collaborative Population? A Retrospective Observational Study
Does Anesthesia Quality Improvement Participation Lead to Incremental Savings in a Surgical Quality Collaborative Population? A Retrospective Observational Study Open
BACKGROUND: The Anesthesiology Performance Improvement and Reporting Exchange (ASPIRE) Collaborative Quality Initiative (CQI) was launched as a partnership among hospitals to measure quality, review evidence-based practices, and improve an…
View article: Treatment patterns and survival in older adults with unresected nonmetastatic biliary tract cancers
Treatment patterns and survival in older adults with unresected nonmetastatic biliary tract cancers Open
A minority of older patients with uBTC receive systemic treatments. Chemotherapy was associated with longer OS compared to no treatment in uBTC, but not in the subgroups of iCCA and GBC. The efficacy of chemoradiotherapy, especially in per…
View article: Association of Skilled Nursing Facility Ownership by Health Care Networks With Utilization and Spending
Association of Skilled Nursing Facility Ownership by Health Care Networks With Utilization and Spending Open
Importance Health care mergers and acquisitions have increased vertical integration of skilled nursing facilities (SNFs) in health care networks. While vertical integration may result in improved care coordination and quality, it may also …
View article: Evaluation of Prices for Surgical Procedures Within and Outside Hospital Networks in the US
Evaluation of Prices for Surgical Procedures Within and Outside Hospital Networks in the US Open
This economic evaluation examines variations in prices for surgical procedures under the Hospital Price Transparency Rule at hospitals within and outside hospital networks in the US.
View article: Adjuvant treatment for the elderly patient with resected gallbladder cancer: a SEER-Medicare analysis
Adjuvant treatment for the elderly patient with resected gallbladder cancer: a SEER-Medicare analysis Open
In this large cohort of elderly patients with resected GBC, aCT was not associated with increased survival. However, aCT may provide a survival benefit in T3/4, node-positive disease.
View article: Neighborhood Deprivation, Hospital Quality, and Mortality After Cancer Surgery
Neighborhood Deprivation, Hospital Quality, and Mortality After Cancer Surgery Open
Objective: To evaluate if receipt of complex cancer surgery at high-quality hospitals is associated with a reduction in disparities between individuals living in the most and least deprived neighborhoods. Background: The association betwee…
View article: MHC Class II Expression Influences the Composition and Distribution of Immune Cells in the Metastatic Colorectal Cancer Microenvironment
MHC Class II Expression Influences the Composition and Distribution of Immune Cells in the Metastatic Colorectal Cancer Microenvironment Open
Despite advances in therapy over the past decades, metastatic colorectal cancer (mCRC) remains a highly morbid disease. While the impact of MHC-I on immune infiltration in mCRC has been well studied, data on the consequences of MHC-II loss…
View article: Association of Dual Medicare and Medicaid Eligibility With Outcomes and Spending for Cancer Surgery in High-Quality Hospitals
Association of Dual Medicare and Medicaid Eligibility With Outcomes and Spending for Cancer Surgery in High-Quality Hospitals Open
The findings of this study indicate that, even among the highest-quality hospitals, DE patients had poorer outcomes and higher spending. Dually eligible patients were more likely to be discharged to a facility and therefore incurred higher…
View article: Association of Elective Surgical Volume With State Executive Order Curtailing Elective Surgery in Michigan During the COVID-19 Pandemic
Association of Elective Surgical Volume With State Executive Order Curtailing Elective Surgery in Michigan During the COVID-19 Pandemic Open
Objective: Our objective was to evaluate changes in elective surgical volume in Michigan while an executive order (EO) was in place curtailing elective surgery during the COVID-19 pandemic. Summary Background Data: Many state governors ena…
View article: Patterns and Determinants of Low-Value Preoperative Testing in Michigan
Patterns and Determinants of Low-Value Preoperative Testing in Michigan Open
This cohort study examines use of preoperative testing before 3 low-risk ambulatory surgical procedures across diverse practice settings in Michigan.
View article: Survival benefit with adjuvant radiotherapy after resection of distal cholangiocarcinoma: A propensity‐matched National Cancer Database analysis
Survival benefit with adjuvant radiotherapy after resection of distal cholangiocarcinoma: A propensity‐matched National Cancer Database analysis Open
Background No convincing evidence for the benefit of adjuvant radiotherapy (RT) following resection of distal cholangiocarcinoma (dCCA) exists, especially for lower‐risk (margin‐ or node‐negative) disease. Hence, the association of adjuvan…
View article: Survival Benefit of Adjuvant Chemotherapy After Pancreatoduodenectomy for Ampullary Adenocarcinoma: a Propensity-Matched National Cancer Database (NCDB) Analysis
Survival Benefit of Adjuvant Chemotherapy After Pancreatoduodenectomy for Ampullary Adenocarcinoma: a Propensity-Matched National Cancer Database (NCDB) Analysis Open
In this large retrospective cohort study, AC after resected ampullary adenocarcinoma was associated with a survival benefit in patients, including patients with node-negative and margin-negative disease.
View article: Variations in surgical spending within hospital systems for complex cancer surgery
Variations in surgical spending within hospital systems for complex cancer surgery Open
Background Approximately 70% of hospitals today are part of larger health systems. Proponents of hospital consolidation tout its potential to reduce health spending and improve outcomes, but to the authors' knowledge the available evidence…
View article: Recanalization of the bile duct by using percutaneous and endoscopic methods after iatrogenic injury
Recanalization of the bile duct by using percutaneous and endoscopic methods after iatrogenic injury Open
Bile leaks are an uncommon adverse event after biliary surgery. Iatrogenic common bile duct (CBD) injuries are particularly uncommon. However, they lead to substantial morbidity and often require surgical intervention, possibly with the cr…
View article: Association of Surgeon Case Numbers of Pancreaticoduodenectomies vs Related Procedures With Patient Outcomes to Inform Volume-Based Credentialing
Association of Surgeon Case Numbers of Pancreaticoduodenectomies vs Related Procedures With Patient Outcomes to Inform Volume-Based Credentialing Open
In this proof-of-concept cohort study, few surgeons met even modest annual volume thresholds for pancreaticoduodenectomy. The findings suggest that inclusion of related procedure volumes may safely expand the cohort of surgeons credentiale…
View article: Interleukin 22 Signaling Regulates Acinar Cell Plasticity to Promote Pancreatic Tumor Development in Mice
Interleukin 22 Signaling Regulates Acinar Cell Plasticity to Promote Pancreatic Tumor Development in Mice Open
We found levels of IL22 to be increased during pancreatitis and pancreatic tumor development and to be required for tumor development and progression in mice. IL22 promotes acinar to ductal metaplasia, stem cell features, and increased exp…
View article: Evaluating the ACS-NSQIP Risk Calculator in Primary GI Neuroendocrine Tumor: Results from the United States Neuroendocrine Tumor Study Group
Evaluating the ACS-NSQIP Risk Calculator in Primary GI Neuroendocrine Tumor: Results from the United States Neuroendocrine Tumor Study Group Open
The ACS established an online risk calculator to help surgeons make patient-specific estimates of postoperative morbidity and mortality. Our objective was to assess the accuracy of the ACS-NSQIP calculator for estimating risk after curativ…
View article: Who Will be the Costliest Patients? Using Recent Claims to Predict Expensive Surgical Episodes
Who Will be the Costliest Patients? Using Recent Claims to Predict Expensive Surgical Episodes Open
Introduction: Surgery accounts for almost half of inpatient spending, much of which is concentrated in a subset of high-cost patients. To study the effects of surgeon and hospital characteristics on surgical expenditures, a way to adjust f…