Publications by authors named "Milan Seth"

Background: Several quality improvement initiatives have focused on the quality gap in percutaneous coronary intervention (PCI), yet significant variations in quality persist. Our objective was to use a novel blinded peer review system to evaluate PCI quality, safety, and appropriateness across Michigan.

Methods: Single-vessel PCI cases were randomly selected from the Blue Cross Blue Shield of Michigan Cardiovascular Consortium registry across Michigan (2018-2020), and anonymized angiograms and pertinent case records were uploaded to a secure server.

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Background: Despite the robust clinical evidence base supporting their role for high-risk patients with type 2 diabetes (T2DM) and concomitant cardiovascular disease, prescription of sodium-glucose co-transporter-2 (SGLT2) inhibitors and glucagon-like peptide-1 receptor agonists (GLP-1RA) remains suboptimal. Clinical encounters occurring in the period post angiography may present a key opportunity to improve implementation in high-risk patients with T2DM.

Methods: Reminders EMbedded IN PCI Reports to Optimize Discharge Diabetes Mellitus Care (REMIND-DM) is a pragmatic, prospective, cluster randomized quality improvement study in patients with type 2 diabetes undergoing angiography and was run as a quality improvement initiative.

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Objectives: Contrast volume minimization can mitigate acute kidney injury (AKI) risk following percutaneous coronary intervention (PCI), but national data regarding contemporary contrast volume dosing patterns are lacking. The authors analyzed data from the National Cardiovascular Data Registry (NCDR) CathPCI registry to assess the prevalence and outcomes of renal function-based contrast dosing during PCI in patients with pre-existing renal impairment.

Methods: The authors analyzed data from 463 753 patients with an eGFR ≤ 60 mL/min/1.

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Background: Coronary artery disease remains the largest contributor to cardiac arrests worldwide; yet, long-term outcomes are often driven by neurological status after resuscitation. We examined the association between pre-percutaneous coronary intervention (PCI) level of consciousness (LOC) and outcomes among patients with cardiac arrest who underwent PCI.

Methods: The study cohort included patients undergoing PCI after cardiac arrest between April 2018 and March 2022 at 48 hospitals in the state of Michigan.

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Article Synopsis
  • Cardiac rehabilitation (CR) is effective post-percutaneous coronary intervention (PCI), but it isn't utilized enough; a liaison-mediated referral (LMR) may help increase participation by informing patients about CR's benefits before they leave the hospital.
  • In a study of over 9,000 PCI patients, those who received an LMR had a significantly higher participation rate in CR sessions within 90 days of discharge (43.1% vs. 32.4%).
  • The LMR group not only participated more but also started their CR sessions sooner, indicating that this referral method could effectively enhance patient outcomes after PCI.
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Background: With an aging population and an increase in the comorbidity burden of patients undergoing percutaneous coronary intervention (PCI), the management of coronary calcification for optimal PCI is critical in contemporary practice.

Objectives: This study sought to examine the trends and outcomes of coronary intravascular lithotripsy (IVL), rotational/orbital atherectomy, or both among patients who underwent PCI in Michigan.

Methods: We included all PCIs between January 1, 2021, and June 30, 2022, performed at 48 Michigan hospitals.

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Article Synopsis
  • Prior research on aortic valve replacement (AVR) in patients with normal-flow, low-gradient aortic stenosis (NF-LG AS) has shown mixed results concerning survival benefits, and the impact on quality of life (QoL) after transcatheter AVR (TAVR) in this group has been underexplored.
  • This study aimed to assess the changes in QoL after TAVR between patients with NF-LG AS and those with high-gradient aortic stenosis (HG-AS).
  • Results indicated that while the one-year mortality rate was higher for NF-LG AS patients compared to HG-AS patients, the improvement in QoL after TAVR was similar for both groups, suggesting a need for further research on
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Background: Mortality is the most devastating complication of percutaneous coronary interventions (PCI). Identifying the most common causes and mechanisms of death after PCI in contemporary practice is an important step in further reducing periprocedural mortality.

Objectives: To systematically analyze the cause and circumstances of in-hospital mortality in a large, multi-center, statewide cohort.

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Background: Improved radiation safety practices are needed across hospitals performing percutaneous coronary intervention (PCI). This study was performed to assess the temporal trend in PCI radiation doses concurrent with the conduct of a statewide radiation safety initiative.

Methods: A statewide initiative to reduce PCI radiation doses was conducted in Michigan between 2017 and 2021 and included focused radiation safety education, reporting of institutional radiation doses, and implementation of radiation performance metrics for hospitals.

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Background And Aims: Predicting personalized risk for adverse events following percutaneous coronary intervention (PCI) remains critical in weighing treatment options, employing risk mitigation strategies, and enhancing shared decision-making. This study aimed to employ machine learning models using pre-procedural variables to accurately predict common post-PCI complications.

Methods: A group of 66 adults underwent a semiquantitative survey assessing a preferred list of outcomes and model display.

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Background: International registry comparisons provide insight into regional differences in clinical practice patterns, procedural outcomes, and general trends in population health and resource utilization in percutaneous coronary intervention (PCI). We sought to compare data from a state-wide PCI registry in the United States with a national registry from the United Kingdom (UK).

Methods: We analyzed all PCI cases from the Blue Cross Blue Shield of Michigan Cardiovascular Consortium and the British Cardiovascular Intervention Society registries from 2010 to 2017.

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Background: The 30-day rate of stroke after transcatheter aortic valve replacement (TAVR) has been suggested as a hospital quality metric. Thirty-day stroke rates for nonsurgical, high, and moderate-risk TAVR trials were 3.4% to 6.

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Background: Intracoronary imaging (ICI) during percutaneous coronary intervention (PCI) improves outcomes, yet hospital- and physician-level variabilities in ICI and its impact on ICI use in contemporary PCI remain unknown. This study was performed to evaluate hospital- and physician-level use of ICI to optimize PCI.

Methods: Using data from a large statewide registry, patients undergoing PCI between July 2019 and March 2021 were studied.

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Background: Current studies show similar in-hospital outcomes following percutaneous coronary intervention (PCI) between Black and White patients. Long-term outcomes and the role of individual and community-level socioeconomic factors in differential risk are less understood.

Methods: We linked clinical registry data from PCIs performed between January, 2013 and March, 2018 at 48 Michigan hospitals to Medicare Fee-for-service claims.

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Left ventricular end-diastolic pressure (LVEDP) is an important hemodynamic marker of left ventricular performance and affects coronary perfusion. We evaluated the association of LVEDP with patient outcomes after elective or urgent percutaneous coronary intervention (PCI). We included n = 49,600 patients undergoing elective or urgent PCI.

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Background: The COVID-19 pandemic has severely impacted healthcare delivery and patient outcomes globally.

Aims: We aimed to evaluate the influence of the COVID-19 pandemic on the temporal trends and outcomes of patients undergoing percutaneous coronary intervention (PCI) in Michigan.

Methods: We compared all patients undergoing PCI in the BMC2 Registry between March and December 2020 ("pandemic cohort") with those undergoing PCI between March and December 2019 ("pre-pandemic cohort").

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Objective: The surgical treatment of claudication can be associated with significant morbidity and costs. There are growing concerns that some patients proceed to interventions without first attempting evidence-based nonoperative management. We used a direct, cross-site, blinded expert review to evaluate the appropriateness of the surgical treatment of claudication.

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Background: Acute kidney injury (AKI) after contrast-guided interventions is associated with adverse outcomes, but the role of contrast in the context of renal function is less well described for patients undergoing transcatheter aortic valve replacement (TAVR).

Methods: Patients from the Michigan TAVR registry between January 2016 and December 2019 were included. AKI was defined using Valve Academic Research Consortium 2 definitions.

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Background: Despite its established benefit and strong endorsement in international guidelines, cardiac rehabilitation (CR) use remains low. Identifying determinants of CR referral and use may help develop targeted policies and quality improvement efforts. We evaluated the variation in CR referral and use across percutaneous coronary intervention (PCI) hospitals and operators.

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Objectives: The aim of this study was to evaluate the association between reported marijuana use and post-percutaneous coronary intervention (PCI) in-hospital outcomes.

Background: Marijuana use is increasing as more states in the United States legalize its use for recreational and medicinal purposes. Little is known about the frequency of use and relative safety of marijuana among patients presenting for PCI.

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Potent antithrombotic agents are routinely prescribed after percutaneous coronary intervention (PCI) to reduce ischemic complications. However, in patients who are at an increased bleeding risk, this may pose significant risks. We sought to evaluate the association between a history of gastrointestinal bleeding (GIB) and outcomes after PCI.

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Background: Cigarette smoking, hypertension, dyslipidemia, diabetes, and obesity are conventional risk factors (RFs) for coronary artery disease (CAD). Population trends for these RFs have varied in recent decades. Consequently, the risk factor profile for patients presenting with a new diagnosis of CAD in contemporary practice remains unknown.

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Objectives: To examine the association of operator sex with appropriateness and outcomes of percutaneous coronary intervention (PCI).

Background: Recent studies suggest that physician sex may impact outcomes for specific patient cohorts. There are no data evaluating the impact of operator sex on PCI outcomes.

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Introduction: Non-primary percutaneous coronary intervention (non-PPCI) recently received certificate of need approval in the state of Michigan at sites without cardiac surgery on-site (cSoS). This requires quality oversight through participation in the BMC2 registry. While previous studies have indicated the safety of this practice, real-world comprehensive outcomes, case volume changes, economic impacts, and readmission rates at diverse healthcare centers with and without cSoS remain poorly understood.

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