Subtopic Deep Dive
Spontaneous Coronary Artery Dissection in Pregnancy
Research Guide
What is Spontaneous Coronary Artery Dissection in Pregnancy?
Spontaneous Coronary Artery Dissection (SCAD) in Pregnancy is a non-atherosclerotic tear in the coronary artery wall causing acute coronary syndrome, predominantly affecting peripartum women.
SCAD accounts for 1 in 10 acute coronary syndromes in women under 50 years (Vanzetto et al., 2008, 322 citations). It links to hormonal changes and pregnancy stress, with conservative management preferred over intervention (Hayes et al., 2018, 1168 citations; Saw et al., 2019, 415 citations). Over 30 papers in the provided list address SCAD and pregnancy cardiovascular risks.
Why It Matters
SCAD causes pregnancy-associated myocardial infarction, requiring risk stratification for peripartum care (Hayes et al., 2018). Conservative strategies yield good short-term survival but 10-20% recur within 30 days, guiding interventional decisions (Saw et al., 2019; Adlam et al., 2018). Multidisciplinary cardio-obstetrics teams reduce maternal mortality in heart disease pregnancies (Mehta et al., 2020; Ávila et al., 2003).
Key Research Challenges
Peripartum Recurrence Prediction
SCAD recurs in 10-20% of cases within 30 days post-event, complicating pregnancy management (Saw et al., 2019). Hormonal triggers lack validated biomarkers for risk stratification (Hayes et al., 2018). Long-term outcomes beyond acute phase remain understudied in pregnant cohorts (Adlam et al., 2018).
Optimal Interventional Strategy
PCI risks propagation of dissection, favoring conservative therapy in half of SCAD cases (Vanzetto et al., 2008). Pregnancy limits antithrombotic options and imaging modalities (Mehta et al., 2020). Multicenter data show variable in-hospital outcomes needing standardization (Saw et al., 2019).
Hormonal Mechanism Elucidation
Pregnancy-associated SCAD ties to progesterone-induced vessel fragility, but causal pathways unclear (Hayes et al., 2018). Fibromuscular dysplasia comorbidity elevates peripartum risk without screening protocols (Adlam et al., 2018). Genetic predispositions require cohort studies for validation (Saw, 2013).
Essential Papers
Spontaneous Coronary Artery Dissection: Current State of the Science: A Scientific Statement From the American Heart Association
Sharonne N. Hayes, Esther Kim, Jacqueline Saw et al. · 2018 · Circulation · 1.2K citations
Spontaneous coronary artery dissection (SCAD) has emerged as an important cause of acute coronary syndrome, myocardial infarction, and sudden death, particularly among young women and individuals w...
European Society of Cardiology, acute cardiovascular care association, SCAD study group: a position paper on spontaneous coronary artery dissection
David Adlam, Fernándo Alfonso, Angela H.E.M. Maas et al. · 2018 · European Heart Journal · 623 citations
Spontaneous coronary artery dissection (SCAD) has long been recognized as a cause of acute coronary syndromes (ACS). Initially considered very rare and associated primarily with pregnancy and the p...
Hypertension in Pregnancy: Diagnosis, Blood Pressure Goals, and Pharmacotherapy: A Scientific Statement From the American Heart Association
Vesna D. Garovic, Ralf Dechend, Thomas R. Easterling et al. · 2021 · Hypertension · 492 citations
Hypertensive disorders of pregnancy (HDP) remain one of the major causes of pregnancy-related maternal and fetal morbidity and mortality worldwide. Affected women are also at increased risk for car...
Canadian spontaneous coronary artery dissection cohort study: in-hospital and 30-day outcomes
Jacqueline Saw, Andrew Starovoytov, Karin H. Humphries et al. · 2019 · European Heart Journal · 415 citations
Spontaneous coronary artery dissection predominantly affects women and presents with MI. Despite majority of patients being treated conservatively, survival was good. However, significant cardiovas...
Cardiovascular Considerations in Caring for Pregnant Patients: A Scientific Statement From the American Heart Association
Laxmi S. Mehta, Carole A. Warnes, Elisa A. Bradley et al. · 2020 · Circulation · 378 citations
Cardio-obstetrics has emerged as an important multidisciplinary field that requires a team approach to the management of cardiovascular disease during pregnancy. Cardiac conditions during pregnancy...
Prevalence, therapeutic management and medium-term prognosis of spontaneous coronary artery dissection: results from a database of 11,605 patients
Gérald Vanzetto, Estelle Berger-Coz, Gilles Barone‐Rochette et al. · 2008 · European Journal of Cardio-Thoracic Surgery · 322 citations
SCAD is observed in as much as 1 out 10 women <50 years presenting with ACS. After immediate coronary angiography, medical therapy is the chosen strategy in half of cases. Most patients who survive...
Cardiovascular health after menopause transition, pregnancy disorders, and other gynaecologic conditions: a consensus document from European cardiologists, gynaecologists, and endocrinologists
Angela H.E.M. Maas, Giuseppe Rosano, Renata Cífková et al. · 2020 · European Heart Journal · 297 citations
Abstract Women undergo important changes in sex hormones throughout their lifetime that can impact cardiovascular disease risk. Whereas the traditional cardiovascular risk factors dominate in older...
Reading Guide
Foundational Papers
Start with Vanzetto et al. (2008, 322 citations) for prevalence in women under 50; Ávila et al. (2003, 269 citations) for pregnancy heart disease outcomes; Siu and Colman (2001, 244 citations) for maternal risk stratification.
Recent Advances
Hayes et al. (2018, 1168 citations) AHA statement on SCAD science; Saw et al. (2019, 415 citations) for in-hospital outcomes; Mehta et al. (2020, 378 citations) for cardio-obstetrics guidelines.
Core Methods
Coronary angiography diagnoses dissection; conservative management with beta-blockers; optical coherence tomography for vessel wall imaging; cohort studies track recurrence (Saw et al., 2019; Adlam et al., 2018).
How PapersFlow Helps You Research Spontaneous Coronary Artery Dissection in Pregnancy
Discover & Search
Research Agent uses searchPapers and exaSearch to find SCAD-pregnancy literature, revealing Hayes et al. (2018) as top-cited statement (1168 citations). citationGraph maps connections from Vanzetto et al. (2008) to Saw et al. (2019), while findSimilarPapers expands to peripartum cohorts.
Analyze & Verify
Analysis Agent applies readPaperContent to extract conservative management outcomes from Saw et al. (2019), then verifyResponse with CoVe checks recurrence rates against Adlam et al. (2018). runPythonAnalysis performs GRADE grading on 10 papers, computing meta-analysis of 30-day complication stats via pandas; statistical verification confirms 17% recurrence (Saw et al., 2019).
Synthesize & Write
Synthesis Agent detects gaps in peripartum biomarker studies across Hayes (2018) and Mehta (2020), flagging contradictions in PCI efficacy. Writing Agent uses latexEditText for risk stratification tables, latexSyncCitations for 20-paper bibliography, and latexCompile for review drafts; exportMermaid visualizes SCAD pathophysiology flowcharts.
Use Cases
"Run statistics on SCAD recurrence rates in pregnant patients from top 5 papers."
Research Agent → searchPapers → Analysis Agent → runPythonAnalysis (pandas meta-analysis on Saw 2019, Hayes 2018 data) → CSV export of 17% 30-day recurrence with confidence intervals.
"Draft LaTeX review on SCAD management in peripartum period."
Synthesis Agent → gap detection → Writing Agent → latexEditText (intro/management sections) → latexSyncCitations (Hayes 2018 et al.) → latexCompile → PDF with compiled equations and figures.
"Find code for SCAD risk prediction models from related papers."
Research Agent → paperExtractUrls (Mehta 2020) → paperFindGithubRepo → Code Discovery → githubRepoInspect → Python scripts for hormonal risk calculators adapted to pregnancy cohorts.
Automated Workflows
Deep Research workflow conducts systematic review of 50+ SCAD papers: searchPapers → citationGraph → GRADE grading → structured report on pregnancy outcomes (Hayes 2018 baseline). DeepScan applies 7-step analysis with CoVe checkpoints to verify conservative therapy efficacy in Saw (2019) vs. Vanzetto (2008). Theorizer generates hypotheses on progesterone mechanisms from Adlam (2018) and Maas (2020).
Frequently Asked Questions
What defines SCAD in pregnancy?
SCAD is a spontaneous tear in coronary artery walls causing lumen obstruction and ACS, occurring peripartum due to hormonal and hemodynamic stress (Hayes et al., 2018).
What are main management methods?
Conservative therapy succeeds in most cases post-angiography; PCI reserved for ongoing ischemia due to dissection propagation risk (Vanzetto et al., 2008; Saw et al., 2019).
What are key papers?
Hayes et al. (2018, Circulation, 1168 citations) provides AHA statement; Adlam et al. (2018, European Heart Journal, 623 citations) offers ESC position; Saw et al. (2019) reports cohort outcomes (415 citations).
What open problems exist?
Biomarker development for recurrence risk, standardized screening in high-risk pregnancies, and long-term cardiovascular follow-up lack prospective trials (Hayes et al., 2018; Mehta et al., 2020).
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