Readmissions After Stent Surgery Common and Often Due to Co-Morbid Disease

MedicalResearch.com Interview with:

“Open Stent” by Lenore Edman is licensed under CC BY 2.0

Example of Open Cardiac Stent

Chun Shing Kwok, MBBS, MSc, BSc, MRCP(UK)
Clinical Lecturer in Cardiology and Specialist Registrar in Cardiology
Keele University & Royal Stoke University Hospital Guy Hilton Research 

MedicalResearch.com: What is the background for this study?

Response: Percutaneous coronary intervention (PCI) is a common revascularization modality in the treatment for coronary heart disease and the mortality rate after this procedure is low. Improved survival after PCI procedures has led to a growing population at risk of readmissions.  Early unplanned readmissions are important because they are a burden to patients, the local health care economy and it also serves as a quality of care indicator.

MedicalResearch.com: What are the main findings?

Response: Our analysis of 833,344 PCI procedures in the United States demonstrates that unplanned readmissions within 30 days of the index PCI are common (9.3%). The mean total hospital cost was higher for patients who were readmitted compared with those not readmitted ($37,524 vs $23,211). The majority of readmissions within 30 days are noncardiac (56%), with female sex, chronic kidney disease, liver failure, atrial fibrillation, increasing comorbidity burden, and discharge location among the strongest predictors of unplanned 30-day readmission. Patients who experienced an unplanned readmission for noncardiac reasons tended to be younger, with more comorbidities, including alcohol misuse, cancer, and dementia, whereas patients who are readmitted for cardiac reasons are more likely to have in-hospital complications at their index PCI event. 

MedicalResearch.com: What should readers take away from your report?

Response: Our results suggest that 30-day readmissions in the United States is common and comorbid illnesses and places of discharge are important factors that influence readmissions. There are important financial consequences of such readmissions, and further strategies to reduce the prevalence should be explored. 

MedicalResearch.com: What recommendations do you have for future research as a result of this work?

Response: Future work should explore if optimization of the management of any comorbid condition during a patient’s index admission for PCI and outreach programs to patients discharged to short-term hospitals, other institutions, and care homes may reduce early readmissions. 

Disclosures: Financial support was provided by the North Staffs Heart Committee. This work was conducted as a part of Dr. Kwok’s PhD research, which was supported by Biosensors International. 

Citations: 

Kwok CS, Rao SV, Potts JE, et al. Burden of 30-day readmissions after percutaneous coronary intervention in 833,344 patients in the United States: predictors, causes, and cost insights from the Nationwide Readmission Database. J Am Coll Cardiol Intv. 2018;Epub ahead of print.

Kalra A, Shishehbor MH, Simon DI. Percutaneous coronary intervention readmissions: where are the solutions? J Am Coll Cardiol Intv. 2018;Epub ahead of print.

 

 

 

 

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Chewing Loading-Dose of Ticagrelor Enhanced Platelet Inhibition in Heart Attack Patients

MedicalResearch.com Interview with:

Elad Asher, M.D, M.H.A Interventional Cardiologist, Director Intensive Cardiac Care Unit Deputy Director Heart Institute Assuta Ashdod Medical Cent

Dr. Asher

Elad Asher, M.D, M.H.A
Interventional Cardiologist,
Director Intensive Cardiac Care Unit
Deputy Director Heart Institute
Assuta Ashdod Medical Center

MedicalResearch.com: What is the background for this study?

Response: Dual antiplatelet therapy represents the standard care for treating ST elevation myocardial infarction (STEMI) patients. Given the higher risk of peri-procedural thrombotic events in patients undergoing primary percutaneous coronary intervention (PPCI), there is a need to achieve inhibition of platelet aggregation (IPA) more promptly. Although chewing ticagrelor has been shown to be more efficient for IPA in stable coronary disease and in patients with acute coronary syndrome (ACS)/non-ST elevation myocardial infarction (NSETMI), there are no studies that have specifically assessed the efficacy and safety of chewing ticagrelor in STEMI patients. Therefore, the aim of our study was to investigate whether chewing ticagrelor (180mg) loading dose is associated with more favorable platelet inhibitory effects compared with the conventional way of swallowing whole tablets loading dose in STEMI patients undergoing PPCI.

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Dual Antithrombotic Therapy with Dabigatran after PCI in Atrial Fibrillation 

MedicalResearch.com Interview with:

Professor Christopher P. Cannon MD Executive Director, Cardiometabolic Trials, Baim Institute Cardiologist Brigham and Women's Hospital Baim Institute for Clinical Research Columbia University College of Physicians and Surgeons

Dr. Cannon

Professor Christopher P. Cannon MD
Executive Director, Cardiometabolic Trials, Baim Institute
Cardiologist Brigham and Women’s Hospital
Baim Institute for Clinical Research
Columbia University College of Physicians and Surgeons

MedicalResearch.com: What is the background for this study? What are the main findings?

Response: The trial explored whether a dual therapy approach of anticoagulation and P2Y12 antagonist – without aspirin – in non-valvular atrial fibrillation (AF) patients following percutaneous coronary intervention (PCI) and stent placement would be as safe, and still efficacious, as the current standard treatment – triple therapy. For more detailed background on the study, readers may want to review the first paragraph of the article in the New England Journal of Medicine.

Results showed significantly lower rates of major or clinically relevant non-major bleeding events for dual therapy with dabigatran, when compared to triple therapy with warfarin.

In the study, the risk for the primary safety endpoint (time to major or clinically relevant non-major bleeding event) was 48 percent lower for dabigatran 110 mg dual therapy and 28 percent lower for dabigatran 150 mg dual therapy (relative difference), with similar rates of overall thromboembolic events.

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Anticoagulation With Bivalirudin vs Heparin for STEMI treated with PCI: Pros and Cons of Each

MedicalResearch.com Interview with:

Dr. Ion S. Jovin, MD, ScD Associate Professor of Medicine at Virginia Commonwealth University Pauley Heart Center Director of the Cardiac Catheterization Laboratories and Site Director of the VCU Interventional Cardiology Fellowship Program at  McGuire V.A. Medical Center Visiting Assistant Professor in the Department of Surgery/Cardiothoracic Surgery Yale University, New Haven, CT

Dr. Jovin


Dr. Ion S. Jovin, MD, ScD

Associate Professor of Medicine at Virginia Commonwealth University Pauley Heart Center
Director of the Cardiac Catheterization Laboratories and
Site Director of the VCU Interventional Cardiology Fellowship Program at
McGuire V.A. Medical Center
Visiting Assistant Professor in the Department of Surgery/Cardiothoracic Surgery
Yale University, New Haven, CT

MedicalResearch.com: What is the background for this study? What are the main findings?

Response: There is still uncertainty regarding the best anticoagulant for patients with acute ST-segment elevation myocardial infarction (STEMI) who undergo primary percutaneous coronary intervention (PCI) and especially PCI done via radial (as opposed to femoral) access. Our study compared outcomes of patients with STEMI treated with PCI done via radial access in the NCDR database who received one of the two main anticoagulants: bivalirudin and heparin. There is a large degree of variation in the use of the two anticoagulants in PCI and in primary PCI both within the United States but also in the world.

We did not find a statistically significant difference between the outcomes of the two groups of patients, but we also found that a significant number of patients in both the heparin and in the bivalirudin group were also treated with additional medicines that inhibit platelet activation (glycoprotein IIb/IIIa inhibitors).

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After PCI, Two Anticoagulants May Be As Effective As Three

MedicalResearch.com Interview with:

Nayan Agarwal MD Intervention Cardiology Fellow, University of Florida, Gainesville, FL

Dr. Agarwal

Nayan Agarwal MD
Intervention Cardiology Fellow,
University of Florida,
Gainesville, FL

MedicalResearch.com: What is the background for this study?

Response: Long term anticoagulation is indicated in patients with mechanical heart valves, prior thromboembolic events, atrial fibrillation etc, to prevent recurrent thrombo-embolic episodes. About 20-30% of these patients also have concomitant ischemic heart disease requiring percutaneous coronary intervention (PCI).

Post PCI, patients require treatment with dual antiplatelet therapy (DAPT) with aspirin and a P2Y12 inhibitor (clopidogrel, prasugrel, ticagrelor) to prevent stent thrombosis. Thus, these patients may end up needing triple antithrombotic therapy with oral anticoagulant (OAC) and DAPT, which increases the bleeding risk.

Both American College of Cardiology(ACC) and European Society of Cardiology (ESC), currently recommend triple therapy in these patients. Recently new evidence has emerged that such patients can be managed with dual therapy of a single antiplatelet (SAPT) and OAC. Hence, we decided to do a systematic review of these studies to evaluate safety and efficacy of dual therapy of SAPT and OAC against triple therapy of DAPT and OAC.

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Elevated Kidney Biomarker Creatinine Predicts Worse Outcome in STEMI Heart Attack

MedicalResearch.com Interview with:

MedicalResearch.com Interview with: Mohamed Khayata, MD Internal Medicine Resident PGY-3 Cleveland Clinic Akron General, Akron, Ohio MedicalResearch.com: What is the background for this study? What are the main findings? Response: Previous studies showed that patients with ST-elevation myocardial infarction (STEMI) who had elevated creatinine and/or impaired creatinine clearance on presentation had higher short- and long-term mortality independent of other cardiovascular risk factors. We used the National Cardiovascular Database Registry to investigate the impact of creatinine levels at the time of presentation on the cardiovascular outcomes in patients who presented with STEMI. Our study showed that elevated creatinine levels correlated with higher incidence of atrial fibrillation, bleeding, heart failure, and cardiogenic shock during hospital stay after the percutaneous intervention. MedicalResearch.com: What should readers take away from your report? Response: Creatinine level is being checked in almost all patients who present with STEMI within few hours of presentation. Based on previous reports and our results, creatinine is a critical marker that correlate not only with mortality, but is also with morbidity during hospital stay. This marker should be used as a predictor of worse outcomes; thus, patients with higher creatinine levels should be provided higher attention. MedicalResearch.com: What recommendations do you have for future research as a result of this study? Response: Based on our study limitations, I would encourage performing similar outcomes analysis in larger group, multi-center registries. I would also suggest extending outcomes to post-discharge status including quality of life besides cardiovascular compilcations. MedicalResearch.com: Is there anything else you would like to add? Response: MedicalResearch.com: Thank you for your contribution to the MedicalResearch.com community. Citation: Abstract presented at the 2017 National Kidney Foundation Spring Clinical Meeting https://www.kidney.org/spring-clinical The Impact of Admission Serum Creatinine on Major Adverse Clinical Events in ST-Segment Elevation Myocardial Infarction Patients Undergoing Primary Percutaneous Coronary Intervention Note: Content is Not intended as medical advice. Please consult your health care provider regarding your specific medical condition and questions. More Medical Research Interviews on MedicalResearch.com

Dr. Khayata

Mohamed Khayata, MD
Internal Medicine Resident PGY-3
Cleveland Clinic Akron General
Akron, Ohio

MedicalResearch.com: What is the background for this study? What are the main findings?

Response: Previous studies showed that patients with ST-elevation myocardial infarction (STEMI) who had elevated creatinine and/or impaired creatinine clearance on presentation had higher short- and long-term mortality independent of other cardiovascular risk factors.

We used the National Cardiovascular Database Registry to investigate the impact of creatinine levels at the time of presentation on the cardiovascular outcomes in patients who presented with STEMI.

Our study showed that elevated creatinine levels correlated with higher incidence of atrial fibrillation, bleeding, heart failure, and cardiogenic shock during hospital stay after the percutaneous intervention.

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Study Evaluates Effects of Calcification of Occluded Coronary Arteries During PCI

MedicalResearch.com Interview with:

Emmanouil S. Brilakis, MD, PhD Director, Center for Advanced Coronary Interventions Minneapolis Heart Institute Minneapolis, Minnesota 55407 Adjunct Professor of Medicine University of Texas Southwestern Medical School at Dallas

Dr, Brilakis

Emmanouil S. Brilakis, MD, PhD
Director, Center for Advanced Coronary Interventions
Minneapolis Heart Institute
Minneapolis, Minnesota 55407
Adjunct Professor of Medicine
University of Texas Southwestern Medical School at Dallas

MedicalResearch.com: What is the background for this study? What are the main findings?

Response: Calcification in the coronary arteries might hinder lesion crossing, equipment delivery and stent expansion and contribute to higher rates of in-stent restenosis, as well as stent thrombosis. In this project we sought to examine the impact of calcific deposits on the outcomes of chronic total occlusion (CTO) percutaneous coronary intervention (PCI) in a contemporary, multicenter registry.

We analyzed the outcomes of 1,476 consecutive CTO PCIs performed in 1,453 patients between 2012 and 2016 at 11 US centers. Data collection was performed in a dedicated online database (PROGRESS CTO: Prospective Global Registry for the Study of Chronic Total Occlusion Intervention, Clinicaltrials.gov Identifier: NCT02061436).

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Ischemic Postconditioning During Primary PCI for Patients With STEMI Heart Attack

MedicalResearch.com Interview with:

Thomas Engstrøm Senior Consultant dr. sci., MD, PhD The Heart Center | Rigshospitalet | University of Copenhagen | Denmark Professor in cardiology | University of Lund | Sweden Adjunct professor in cardiology | University of Aalborg | Denmark

Dr. Engstrøm

Thomas Engstrøm  MD, PhD
The Heart Center | Rigshospitalet | University of Copenhagen | Denmark
Professor in cardiology | University of Lund | Sweden
Adjunct professor in cardiology | University of Aalborg | Denmark 

MedicalResearch.com: What is the background for this study? What are the main findings?

Response: Timely reperfusion by primary angioplasty (primary PCI) in patients with ST-elevation myocardial infarction is mandatory. However reperfusion it self can harm the myocardium – so called reperfusion injury. During a number of years ischemic postconditioning (iPOST) by repetitive interruptions of blood flow after reperfusion has been a promising technique to address reperfusion damage.

The trial investigated the effect of iPOST in 1200 patients treated with primary PCI and in addition either iPOST or conventional angioplasty.

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Cangrelor With and Without Glycoprotein IIb/IIIa Inhibitors in Patients Undergoing PCI

MedicalResearch.com Interview with:

Deepak L. Bhatt, MD, MPH, FACC, FAHA, FSCAI, FESC Executive Director of Interventional Cardiovascular Programs, Brigham and Women’s Hospital Heart & Vascular Center Professor of Medicine, Harvard Medical School Boston, MA 02115

Dr. Deepak L. Bhatt

Deepak L. Bhatt, MD, MPH, FACC, FAHA, FSCAI, FESC
Executive Director of Interventional Cardiovascular Programs,
Brigham and Women’s Hospital Heart & Vascular Center
Professor of Medicine, Harvard Medical School
Boston, MA 02115

MedicalResearch.com: What is the background for this study? What are the main findings?

Response: Cangrelor is a potent, fast on, fast off, intravenous ADP receptor antagonist that is now available for use during PCI. Glycoprotein IIb/IIIa inhibitors are intravenous antiplatelet agents that work by a different mechanism. Doctors have asked whether there is any advantage to combining them or whether one class is preferable to the other during PCI.

We analyzed close to 25,000 patients from the CHAMPION trials. Cangrelor’s efficacy in reducing peri-procedural ischemic complications in patients undergoing PCI was present
irrespective of glycoprotein IIb/IIIa inhibitor administration. However, glycoprotein IIb/IIIa inhibitor use resulted in substantially higher bleeding rates, regardless of whether the patient was randomized to cangrelor or to clopidogrel.

Thus, in general, cangrelor and glycoprotein IIb/IIIa inhibitors should not routinely be combined. If an operator wishes to use a potent intravenous antiplatelet during PCI, cangrelor is similarly efficacious as glycoprotein IIb/IIIa inhibitors, but with less bleeding risk.

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Use of Oral Anticoagulation at Time of PCI Surgery Linked To Increase in Adverse Events

MedicalResearch.com Interview with:

Eric A. Secemsky, MD MSc Interventional Cardiology Fellow Massachusetts General Hospital, Harvard Medical School Fellow, Smith Center for Outcomes Research in Cardiology Beth Israel Deaconess Medical Center

Dr. Eric A. Secemsky

Eric A. Secemsky, MD MSc
Interventional Cardiology Fellow
Massachusetts General Hospital
Harvard Medical School
Fellow, Smith Center for Outcomes Research in Cardiology
Beth Israel Deaconess Medical Center

MedicalResearch.com: What is the background for this study?

Response: Use of oral anticoagulant (OAC) therapy prior to coronary stenting is a significant predictor of post-procedural bleeding events. Previous studies have estimated that the frequency of chronic OAC use among patients undergoing percutaneous coronary intervention (PCI) is between 3% to 7%. Yet many of these analyses examined select patient populations, such as those admitted with acute myocardial infarction or atrial fibrillation, and preceded the market approval of non-vitamin K antagonist oral anticoagulants (NOACs). As such, the contemporary prevalence of OAC use among all-comers undergoing PCI, as well as associated risks of adverse events, are currently unknown.

Therefore, we used PCI data from a large, integrated healthcare system to determine current use of  oral anticoagulant use among all-comers undergoing coronary stenting and the related short- and long-term risks of therapy.

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