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Updated: Aug 25, 2025

Interventional Diagnostic Procedure: A Practical Guide for the Assessment of Coronary Vascular Function
Published on: March 15, 2022
Patient Selection for Protected Percutaneous Coronary Intervention: Who Benefits the Most?
Seung-Hyun Kim1, Stefan Baumann1, Michael Behnes1
1First Department of Medicine, University Medical Centre Mannheim (UMM), Faculty of Medicine Mannheim, University of Heidelberg, European Center for AngioScience (ECAS), and DZHK (German Center for Cardiovascular Research) Partner Site Heidelberg/Mannheim, Theodor-Kutzer-Ufer 1-3, Mannheim 68167, Germany.
Protected percutaneous coronary intervention (PCI) with mechanical support aids complex lesion revascularization in high-risk patients. This review guides patient selection for protected PCI to ensure safety and hemodynamic stability during procedures.
Area of Science:
- Cardiology
- Interventional Cardiology
- Cardiovascular Medicine
Background:
- Percutaneous coronary intervention (PCI) has advanced, enabling complete revascularization of complex coronary lesions.
- Contemporary patients exhibit increased comorbidities, potentially reducing tolerance for complex PCI and increasing risks of hemodynamic instability.
- Protected PCI utilizing mechanical circulatory support (MCS) has emerged as a strategy to mitigate these risks and achieve safe revascularization.
Purpose of the Study:
- To provide practical approaches for patient selection in protected PCI.
- To review current clinical data on the utility of protected PCI in high-risk patient populations.
- To address the ongoing debate regarding optimal patient selection for protected PCI.
Main Methods:
- Literature review of current clinical data.
- Analysis of studies assessing the utility of protected PCI.
- Evaluation of patient characteristics and outcomes in high-risk cohorts undergoing protected PCI.
Main Results:
- Protected PCI is a viable strategy for complex coronary lesions in patients with high comorbidity burden.
- Specific patient profiles and clinical indicators can help identify those most likely to benefit from protected PCI.
- Evidence supports the use of protected PCI to maintain hemodynamic stability and achieve complete revascularization in select high-risk individuals.
Conclusions:
- Protected PCI offers a valuable approach for managing complex coronary lesions in high-risk patients.
- Careful patient selection is crucial for optimizing outcomes and safety in protected PCI procedures.
- Further research may refine criteria for identifying patients who maximally benefit from protected PCI.
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