PCI complications: coronary vasospasm

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PCI Complications

Factors Associated with Complications
Vessel Perforation
Dissection
Distal Embolization
No-reflow
Coronary Vasospasm
Abrupt Closure
Access Site Complications
Peri-procedure Bleeding
Restenosis
Renal Failure
Thrombocytopenia
Late Acquired Stent Malapposition
Loss of Side Branch
Multiple Complications

PCI in Specific Patients

Cardiogenic Shock
Left Main Coronary Artery Disease
Refractory Ventricular Arrhythmia
Severely Depressed Ventricular Function
Sole Remaining Conduit
Unprotected Left Main Patient
Adjuncts for High Risk PCI

PCI in Specific Lesion Types

Classification of the Lesion
The Calcified Lesion
The Ostial Lesion
The Angulated or Tortuous Lesion
The Bifurcation Lesion
The Long Lesion
The Bridge Lesion
Vasospasm
The Chronic Total Occlusion
The Left Internal Mammary Artery
Multivessel Disease
Distal Anastomotic Lesions
Left Main Intervention
The Thrombotic Lesion

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Treatment

  • Therapeutic treatment of PCI-induced vasospasm should be performed in this order (step-wise fashion):


How To Know if Treatment of PCI-Induced Vasospam is Working

Therapies for vasospasm will usually take effect within seconds to one minute. Anticipated outcomes include:

  • Resolution of acute or chronic coronary vasospasm
  • Resolution of ECG changes (ST depression or elevation)
  • Resolution of symptomatic angina and other symptoms, if present
  • Repeat angiography

Other Concerns

There are several additional factors that doctors should mindful of when considering coronary vasospasm treatments, complications, and outcomes.

  • Coronary vasospasm can lead to life-threatening arrhythmias, depending on the vessel that is involved. Specifically, right coronary artery spasm can lead to sinus arrest or complete heart block, while left anterior descending artery spasm can lead to ventricular tachycardia or fibrillation. Multivessel spasm can also lead to ventricular arrhythmias.
  • The right coronary artery ostium is prone to catheter-induced spasm, giving the appearance of an ostial lesion on angiography. Pre-treatment with 200 mcg of IC nitroglycerin should be administered prior to intervention of this area.
  • Patients who have coronary artery disease in addition to coronary vasospasm have an overall worse prognosis.