Publications by authors named "Stephen B Riggs"

Introduction: Previous literature suggests socioeconomic status and racial disparities impact management decisions for patients with small renal masses. We aim to build upon these findings and examine how these modalities impact patient adherence to their management plan.

Methods: This retrospective study analyzed our Kidney Tumor Program database (n = 1476) containing patients from 2000 to 2020.

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Article Synopsis
  • The study investigates the impact of non-narcotic analgesics on pain management in patients undergoing cystectomy as part of enhanced recovery after surgery (ERAS), focusing on their relationship with morphine use during recovery.
  • It found that compliance with non-narcotic medications like acetaminophen, gabapentin, and ketorolac is low, but ketorolac use significantly reduces narcotic consumption and pain scores on the first two postoperative days.
  • Reasons for non-compliance include concerns about renal function, bleeding, and potential neurologic side effects associated with these medications.
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Background: Academic and community urology centers participating in a pragmatic clinical trial in non-muscle-invasive bladder cancer completed monthly surveys assessing restrictions in aspects of bladder cancer care due to the COVID-19 Public Health Emergency. Our objective was to describe pandemic-related restrictions on bladder cancer care.

Methods: We invited 32 sites participating in a multicenter pragmatic bladder cancer trial to complete monthly surveys distributed through REDCap beginning in May 2020.

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Objectives: Opioid use, misuse, and diversion is of paramount concern in the United States. Radical cystectomy is typically managed with some component of opioid pain control. We evaluated persistent opioid and benzodiazepine use after radical cystectomy and assessed the impact of their preoperative use on this outcome.

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Introduction And Objective: Enhanced Recovery After Surgery (ERAS) protocols have been increasingly applied to urologic surgeries such as cystectomy and prostatectomy, though research defining protocols and outcomes for renal ERAS programs (RERAS) for nephrectomy remains limited. We aim to assess perioperative outcomes following implementation of our RERAS protocol modified from ERAS society cystectomy guidelines, as well as describe compliance with protocol guidelines.

Methods: We performed a retrospective cohort analysis of 400 patients who underwent partial or radical nephrectomy between October 2017 and August 2020.

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Introduction: Contemporary testis cancer management requires fastidious adherence to clinical guidelines and care principles, especially for those pursuing active surveillance (AS). However, real-world testis cancer care remains largely undescribed. Accordingly, we sought to assess the rigor of evaluation and monitoring among men with testis cancer.

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Objective: To evaluate whether racial disparities in MRI-Bx usage persisted after correction for socioeconomic, demographic, and clinical factors.

Methods: This is a retrospective cohort study of patients who received either MRI-Bx or systematic biopsy (SB) within a single academic medical center between January 2018 - June 2020. For each patient, socioeconomic variables including household income, education, percent below poverty, and unemployment were estimated using 2015 American Community Survey census-tract level data.

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Introduction: Unmet social needs lead to adverse health outcomes and contribute to health inequities. Efforts to screen for social determinants of health (SDOH) have occurred primarily within primary care. Here, we describe the feasibility of implementing a workflow for SDOH screening within 2 urology clinics in Charlotte, North Carolina.

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Objective: To study the effect of surgeon-administered Transversus Abdominis Plane block (sTAP) on opioid usage and length of stay (LOS).

Methods: Starting in April 2018, two surgeons at our institution gradually introduced sTAP for radical cystectomy (RC) patients. We performed a retrospective observational cohort analysis of RC patients catalogued in a prospectively maintained database using the Enhanced Recovery After Surgery Interactive Auditing System.

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Introduction: 5-Alpha reductase inhibitor (5-ARI) use leads to a 50% decline in serum prostate specific antigen (PSA) without a concomitant decrease in prostate cancer (PCa) risk. We hypothesize that failure to account for the effect of 5-ARI use on serum PSA leads to increased PCa risk at urology referral among 5-ARI users.

Methods: This is a retrospective cohort study for the years 2018-2019.

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Background: Intravesical bacillus Calmette-Guérin (BCG) therapy is standard treatment for high-risk non-muscle invasive bladder cancer (NMIBC) but overall efficacy is low, and no reliable predictive biomarkers currently exist to refine patient selection. We performed genomic analysis on high-grade (HG) T1 NMIBCs to determine if response to therapy is predicted by certain mutational and/or expressional changes.

Methods: Patients with HG T1 NMIBC treated with induction BCG were stratified by response into durable and non-durable responders.

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Purpose: Contemporary trends and racial disparities in prostate cancer screening and referral to urology for prostate cancer risk are not well characterized, despite consensus that Black men are at higher risk for poor prostate cancer outcomes. The objective of this study was to characterize current racial disparities in prostate cancer screening and referral from primary care to urology for prostate cancer concern within our large, integrated health care system.

Materials And Methods: This retrospective cohort study used data from Atrium Health's enterprise data warehouse, which includes patient information from more than 900 care locations across North Carolina, South Carolina and Georgia.

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Introduction: For muscle invasive bladder cancer, computerized tomography scans are often used before cystectomy to optimize surgical decision planning. The aim of this study is to evaluate the clinical value of postneoadjuvant chemotherapy computerized tomography in patients with localized bladder cancer before cystectomy.

Methods: All T2-3N0 patients with urothelial bladder cancer who completed cisplatin based neoadjuvant chemotherapy were retrospectively analyzed.

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Rhabdomyosarcoma (RMS) is rare in adulthood, accounting for 2%-5% of adult soft tissue tumors, and less than 20% occur in genitourinary organs. Given its rarity, survival data on adult kidney, bladder, and prostate RMSs is limited. In this population-based analysis, we performed an analysis of all adult RMS cases reported in Surveillance, Epidemiology, and End Results (SEER) database to understand prognostic factors among kidney, bladder, and prostate RMS.

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Objective: To investigate complications and treatment failure rates of percutaneous renal cryoablation (PRC) for small renal masses under local anaesthesia and conscious sedation (LACS), to assess the safety and effectiveness of this approach, as PRC is typically performed under general anaesthesia (GA).

Patients And Methods: We retrospectively reviewed PRC under LACS from 2003 to 2017. We analysed perioperative parameters between patients who successfully underwent PRC under LACS and patients with post-procedural complications or treatment failure (renal mass enhancement after successful intraoperative tumour ablation).

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Background: As Enhanced Recovery After Surgery (ERAS®) programs expand across numerous subspecialties, growth and sustainability on a system level becomes increasingly important and may benefit from reporting multidisciplinary and financial data. However, the literature on multidisciplinary outcome analysis in ERAS is sparse. This study aims to demonstrate the impact of multidisciplinary ERAS auditing in a hospital system.

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Objective: To measure differences in post-operative opioid usage and pain scores between pre- and post-Enhanced Recovery after Surgery (ERAS) radical cystectomy (RC) patients in an effort to optimize outcomes.

Study Design: We performed a retrospective cohort study from a single institution from January 1, 2015 to July 31, 2018 among 86 and 108 pre- and post-ERAS RC patients. The primary endpoints were total mean opioid usage (morphine equivalent daily dosing or MEDD) and mean pain scores (Visual Analog Scale) on postoperative days (POD) 1-3.

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Purpose: To determine the impact of preoperative nutritional status on the development of surgical complications following cystectomy using the American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP).

Methods: We performed a retrospective review of the NSQIP 2005-2012 Participant Use Data Files. ACS-NSQIP collects data on 135 variables, including pre- and intraoperative data and 30-day postoperative complications and mortality on all major surgical procedures at participating institutions.

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Postchemotherapy surgery for advanced testicular cancer has evolved over the last couple of decades. Patients with nonseminomatous germ cell tumors and residual retroperitoneal mass ≥1 cm should undergo postchemotherapy retroperitoneal lymph node dissection (RPLND). For seminoma, RPLND is considered in those patients with masses ≥3 cm that are also positron emission tomography positive.

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Objective: To review the efficacy of treating benign prostatic hyperplasia and very-low-risk prostate cancer (PCa) in patients receiving active surveillance and 5α-reductase inhibitor (5-ARI; finasteride or dutasteride) treatment.

Materials And Methods: Eighty-two men with very-low-risk PCa (clinical stage T1c, Gleason score ≤ 6, <3 biopsy cores positive with ≤ 50% involvement, and prostate-specific antigen density ≤ 0.15 ng/mL/g) and benign prostatic hyperplasia (≥ 30 cm(3)) received active surveillance and were treated with a 5-ARI.

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Objective: To evaluate preoperative albumin levels as a marker for comparing survival outcomes after cystectomy in patients with bladder cancer.

Materials And Methods: We performed a retrospective record review using our bladder cancer database of 238 patients from 2004 to 2011. Of these, we included 187 patients with sufficient data for analysis, aged 35 years or older, who survived to undergo cystectomy.

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