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Related Concept Videos

Cardiac Catheterization I: Pre-Procedure Overview01:28

Cardiac Catheterization I: Pre-Procedure Overview

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Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...
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Cardiac Catheterization II: Right Heart Catheterization01:21

Cardiac Catheterization II: Right Heart Catheterization

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Right Heart Catheterization: An OverviewRight heart catheterization is an invasive diagnostic procedure that measures right-sided cardiac and pulmonary artery pressures, calculates cardiac output, and identifies intracardiac shunts. It provides detailed hemodynamic data essential for diagnosing and managing various cardiovascular conditions, such as pulmonary hypertension.Access SitesCommon access sites for right heart catheterization include the internal jugular vein in the neck region, the...
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Cardiac Catheterization IV: Nursing Management01:26

Cardiac Catheterization IV: Nursing Management

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Nursing responsibilities before cardiac catheterization include:Assess for allergies and establish baseline health status.Before cardiac catheterization, assess the patient for allergies to contrast dye. Perform a comprehensive baseline assessment, including vital signs, heart and breath sounds, and a neurovascular assessment of the extremities, noting distal pulses, skin color, and temperature. Instruct the patient to fast for 8-12 hours before the procedure. Evaluate baseline laboratory...
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Cardiac Catheterization III: Left Heart Catheterization01:24

Cardiac Catheterization III: Left Heart Catheterization

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Left heart catheterization is an invasive diagnostic procedure used to evaluate the function and structure of the left side of the heart. It is generally performed to diagnose and treat cardiovascular conditions such as valve abnormalities, coronary artery disease, and congenital heart defects.Diagnostic and therapeutic purposesLeft heart catheterization serves various diagnostic and therapeutic purposes, including:Assessing coronary artery bypass grafts.Evaluating coronary artery disease in...
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Peripheral Artery Disease V: Postoperative Nursing Management01:23

Peripheral Artery Disease V: Postoperative Nursing Management

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During the postoperative period, it is crucial to focus on maintaining circulation, identifying and managing potential complications, and planning for discharge.Nursing AssessmentVital signs monitoring: Regularly monitor vital signs, including blood pressure, heart rate, respiratory rate, and temperature, to detect early signs of complications such as bleeding and infection.Circulation assessment: Monitor pulses, perform Doppler assessments, and check capillary refill, color, temperature, and...
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Peripheral Artery Disease III: Interprofessional Care01:27

Peripheral Artery Disease III: Interprofessional Care

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Peripheral Artery Disease (PAD) is characterized by narrowed arteries that diminish blood flow to the extremities. Effective management of PAD requires an interprofessional approach involving various healthcare professionals. The critical aspects of interprofessional care for PAD patients focus on risk factor modification, drug therapy, exercise therapy, nutrition therapy, critical limb ischemia care, and interventional radiology and surgical procedures.The primary treatment goal for PAD...
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Interventional Diagnostic Procedure: A Practical Guide for the Assessment of Coronary Vascular Function
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Procedural Complexity and Bleeding Risk in Patients Undergoing Percutaneous Coronary Intervention.

Ridhima Goel1, Alessandro Spirito2, Davide Cao2

  • 1The Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York, New York; Division of Cardiology, Department of Medicine, Warren Alpert Medical School of Brown University, Providence, Rhode Island.

The American Journal of Cardiology
|January 7, 2026
PubMed
Summary
This summary is machine-generated.

Complex percutaneous coronary intervention (PCI) increases risks for high bleeding risk (HBR) and non-high bleeding risk patients. Both groups face higher rates of major adverse cardiac events and major bleeding after complex PCI compared to non-complex procedures.

Keywords:
clinical outcomescomplex PCIhigh bleeding riskmajor adverse cardiac eventspercutaneous coronary intervention

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Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Clinical Outcomes Research

Background:

  • The outcomes of complex percutaneous coronary intervention (PCI) in patients with high bleeding risk (HBR) are not well-established.
  • Complex PCI involves treating multiple vessels/lesions, using long stents, or addressing challenging anatomy like chronic total occlusions or left main disease.

Purpose of the Study:

  • To evaluate the impact of complex PCI on major adverse cardiac events (MACE) and major bleeding in HBR and non-HBR patients.
  • To compare outcomes between complex and non-complex PCI procedures in a large patient cohort.

Main Methods:

  • Retrospective analysis of 16,966 patients undergoing PCI at a referral center.
  • Patients were categorized as HBR based on established criteria.
  • Complex PCI was defined by specific procedural characteristics (e.g., number of vessels/stents/lesions treated, stent length, specific lesion types).

Main Results:

  • Complex PCI was associated with a significantly higher risk of MACE in both HBR (adj. HR 1.78) and non-HBR (adj. HR 1.82) patients compared to non-complex PCI.
  • Major bleeding risk was also elevated after complex PCI in both HBR (adj. HR 1.55) and non-HBR (adj. HR 1.36) groups.
  • These associations remained significant regardless of bleeding risk status.

Conclusions:

  • Complex PCI independently increases the risk of both ischemic events (MACE) and major bleeding at one year.
  • The findings highlight the need for careful consideration of procedural complexity in patients undergoing PCI, particularly those at high bleeding risk.