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Aim <p>To evaluate the clinical impact of a&#xa0;dedicated multidisciplinary spontaneous coronary artery dissection (SCAD) care pathway compared with standard acute coronary syndrome management, focusing on safety, treatment patterns, clinical outcomes, and recurrence rates in patients with SCAD.</p> Methods <p>In this retrospective observational cohort study, 117 SCAD patients were included: 63&#xa0;managed within a&#xa0;SCAD-specific care pathway and 54&#xa0;receiving standard care prior to or independent of its implementation. The SCAD pathway included protocolized angiographic diagnosis, conservative management when feasible, individualized medical therapy, screening for fibromuscular dysplasia (FMD) and systemic disorders, and SCAD-specific rehabilitation with structured follow-up. The primary endpoint was major adverse cardiovascular events (MACE) at 1‑year follow-up.</p> Results <p>Patients in the SCAD pathway group were more often managed conservatively in the acute setting (76% vs.&#xa0;24%, <i>p</i> &lt; 0.001), had significantly lower rates of stent implantation (8% vs.&#xa0;65%, <i>p</i> &lt; 0.001), and were less frequently prescribed dual antiplatelet therapy (19% vs.&#xa0;96%, <i>p</i> &lt; 0.001). At 12-month follow-up, beta-blocker adherence was higher (76% vs.&#xa0;41%, <i>p</i> &lt; 0.001), aspirin use was lower (38% vs.&#xa0;59%, <i>p</i> &lt; 0.001), and recurrent SCAD occurred numerically less often but not statistically significantly (3% vs.&#xa0;9%, <i>p</i> = 0.231). MACE rates were similar between groups, and no deaths occurred. FMD screening was more common in the pathway group (92% vs.&#xa0;17%, <i>p</i> &lt; 0.001), facilitating diagnosis and tailored long-term therapy.</p> Conclusion <p>Implementation of a&#xa0;standardized SCAD care pathway was associated with a&#xa0;safe conservative approach, more targeted secondary prevention, improved beta-blocker adherence, and a&#xa0;trend toward fewer recurrent SCAD events. These findings support integration of SCAD-specific multidisciplinary care into routine clinical practice to improve diagnostic precision and long-term outcomes.</p>

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Impact of a multidisciplinary clinical pathway on the management of spontaneous coronary artery dissection

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年5月18日

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  • Jin Al-Gully,
  • Jessica P. Forouzanfar,
  • Jose M. Montero-Cabezas,
  • Jeroen Eikenboom,
  • Paul L. den Exter,
  • Sophie ter Haar,
  • Bart Scheenstra,
  • Melina C. den Haan,
  • Frank van der Kley,
  • J. Wouter Jukema,
  • Brian O. Bingen,
  • Ibtihal Al Amri

摘要

Aim

To evaluate the clinical impact of a dedicated multidisciplinary spontaneous coronary artery dissection (SCAD) care pathway compared with standard acute coronary syndrome management, focusing on safety, treatment patterns, clinical outcomes, and recurrence rates in patients with SCAD.

Methods

In this retrospective observational cohort study, 117 SCAD patients were included: 63 managed within a SCAD-specific care pathway and 54 receiving standard care prior to or independent of its implementation. The SCAD pathway included protocolized angiographic diagnosis, conservative management when feasible, individualized medical therapy, screening for fibromuscular dysplasia (FMD) and systemic disorders, and SCAD-specific rehabilitation with structured follow-up. The primary endpoint was major adverse cardiovascular events (MACE) at 1‑year follow-up.

Results

Patients in the SCAD pathway group were more often managed conservatively in the acute setting (76% vs. 24%, p < 0.001), had significantly lower rates of stent implantation (8% vs. 65%, p < 0.001), and were less frequently prescribed dual antiplatelet therapy (19% vs. 96%, p < 0.001). At 12-month follow-up, beta-blocker adherence was higher (76% vs. 41%, p < 0.001), aspirin use was lower (38% vs. 59%, p < 0.001), and recurrent SCAD occurred numerically less often but not statistically significantly (3% vs. 9%, p = 0.231). MACE rates were similar between groups, and no deaths occurred. FMD screening was more common in the pathway group (92% vs. 17%, p < 0.001), facilitating diagnosis and tailored long-term therapy.

Conclusion

Implementation of a standardized SCAD care pathway was associated with a safe conservative approach, more targeted secondary prevention, improved beta-blocker adherence, and a trend toward fewer recurrent SCAD events. These findings support integration of SCAD-specific multidisciplinary care into routine clinical practice to improve diagnostic precision and long-term outcomes.