Related Experiment Video
Updated: Sep 7, 2025
Author Spotlight: Assessing Ischemic Stroke Damage Through Middle Cerebral Artery Occlusion Model
Published on: August 11, 2023
Spontaneous coronary artery dissection in Spain: a study using the minimum data set of the Spanish National Health
Fernando Alfonso1, Cristina Fernández-Pérez2, María García-Márquez3
1Servicio de Cardiología, Hospital Universitario de La Princesa, Universidad Autónoma de Madrid, IIS-IP, Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Spain.
Insights
Spontaneous coronary artery dissection (SCAD) causing heart attacks has similar in-hospital mortality and 30-day readmission rates compared to other causes. Optimized management and follow-up are crucial for SCAD patients.
Area of Science:
- Cardiology
- Cardiovascular Research
- Public Health
Background:
- Spontaneous coronary artery dissection (SCAD) is an uncommon cause of acute myocardial infarction (AMI).
- Understanding outcomes for AMI-SCAD versus other causes of AMI is essential for clinical management.
- Previous studies may not have adequately adjusted for baseline differences between patient groups.
Purpose of the Study:
- To compare in-hospital mortality and 30-day readmission rates between patients with AMI-SCAD and AMI-non-SCAD.
- To analyze risk-standardized outcomes adjusted for patient characteristics.
- To identify areas for improvement in SCAD patient care.
Main Methods:
- Utilized the minimum dataset from the Spanish National Health System (2016-2019).
- Calculated risk-standardized in-hospital mortality (rIMR) and risk-standardized 30-day readmission ratios (rRAR).
- Employed propensity score adjustment to compare outcomes between AMI-SCAD (806 episodes) and AMI-non-SCAD (119,425 episodes).
Main Results:
- Patients with AMI-SCAD were younger and predominantly female.
- Crude in-hospital mortality was lower in AMI-SCAD, but risk-standardized rates were similar after adjustment.
- Crude and adjusted 30-day readmission rates were comparable between AMI-SCAD and AMI-non-SCAD groups.
Conclusions:
- Adjusted in-hospital mortality and readmission rates are similar for AMI-SCAD and AMI-non-SCAD.
- Baseline characteristic differences influence crude outcome comparisons.
- There is a need for optimized management, treatment, and follow-up strategies for SCAD patients.
Introduction And Objectives:
Spontaneous coronary artery dissection (SCAD) is a rare cause of acute myocardial infarction (AMI). We sought to compare the results on in-hospital mortality and 30-day readmission rates among patients with AMI-SCAD vs AMI due to other causes (AMI-non-SCAD).
Methods:
Risk-standardized in-hospital mortality (rIMR) and risk-standardized 30-day readmission ratios (rRAR) were calculated using the minimum dataset of the Spanish National Health System (2016-2019).
Results:
A total of 806 episodes of AMI-SCAD were compared with 119 425 episodes of AMI-non-SCAD. Patients with AMI-SCAD were younger and more frequently female than those with AMI-non-SCAD. Crude in-hospital mortality was lower (3% vs 7.6%; P<.001) and rIMR higher (7.6±1.7% vs 7.4±1.7%; P=.019) in AMI-SCAD. However, after propensity score adjustment (806 pairs), the mortality rate was similar in the 2 groups (AdjOR, 1.15; 95%CI, 0.61-2,2; P=.653). Crude 30-day readmission rates were also similar in the 2 groups (4.6% vs 5%, P=.67) whereas rRAR were lower (4.7±1% vs 4.8%±1%; P=.015) in patients with AMI-SCAD. Again, after propensity score adjustment (715 pairs) readmission rates were similar in the 2 groups (AdjOR, 1.14; 95%CI, 0.67-1.98; P=.603).
Conclusions:
In-hospital mortality and readmission rates are similar in patients with AMI-SCAD and AMI-non-SCAD when adjusted for the differences in baseline characteristics. These findings underscore the need to optimize the management, treatment, and clinical follow-up of patients with SCAD.
More Related Videos
06:04Author Spotlight: Assessing the Cardiovascular Profile of Patients with Metabolic Syndrome
Published on: September 27, 2024
18:11A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis
Published on: December 28, 2012
