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  1. Alwi M
    Future Cardiol, 2012 Mar;8(2):237-50.
    PMID: 22413983 DOI: 10.2217/fca.12.4
    Maintaining ductal patency in duct-dependent congenital heart lesions by implantation of coronary stents is an alternative to systemic pulmonary shunt in selected cases and lesions with suitable anatomy. This article focuses on the procedure as the initial palliation in duct-dependent pulmonary circulation, its associated pitfalls and complications. A good understanding of the diverse duct morphology is paramount prior to stenting of the ductus. Long tortuous duct, insufficiently constricted ductus at the pulmonary end and ductus with associated branch pulmonary artery stenosis at the site of insertion are not suitable for stenting. Durability of palliation is generally inferior to a surgical shunt and this may dictate earlier definitive surgical repair. Acceleration of branch pulmonary artery stenosis in certain ductal morphology limits its general applicability. Bioabsorbable and biodegradable stents may offer some solution to this problem.
  2. Ong SB, Lu S, Katwadi K, Ismail NI, Kwek XY, Hausenloy DJ
    Future Cardiol, 2017 05;13(3):195-198.
    PMID: 28569551 DOI: 10.2217/fca-2017-0012
  3. Petyunina OV, Kopytsya MP, Berezin AE, Skrynnyk OV
    Future Cardiol, 2020 09;16(5):457-467.
    PMID: 32508125 DOI: 10.2217/fca-2019-0082
    Aim: To investigate associations between subclinical distress and 6-month clinical outcomes after ST-segment elevation myocardial infarction (STEMI). Materials & methods: The case-control study involved 144 STEMI patients (72 STEMI having subclinical emotional disturbances were included to the case group and 72 STEMI individuals matched with age, sex and cardiovascular risk factors were enrolled to the control group). The primary end point was the combination of 6-month events including CV death, recurrent angina, newly diagnosed heart failure and re-hospitalization. Results: The emotional distress predicted out-hospital combined end point (odds ratio [OR] = 2.48; 95% CI: 1.12-5.33; p = 0.034). Other independent predictors of out-hospital end point were Type 2 diabetes mellitus (OR = 1.10; 95% CI: 1.02-1.23; p = 0.048), thrombolysis in myocardial infarction score <6 units (OR = 0.86; 95% CI: 0.67-0.92; p = 0.001) and the number of culprit vessels (OR = 1.19; 95% CI: 1.02-1.34; p = 0.002). Conclusion: Premorbid emotional distress independently predicted 6 month combined clinical end point in STEMI patients.
  4. Rehman R, Marhisham MC, Alwi M
    Future Cardiol, 2018 01;14(1):55-73.
    PMID: 29199861 DOI: 10.2217/fca-2017-0053
    Patent ductus arteriosus (PDA) stenting has gained acceptance for palliation in cyanotic congenital heart disease. The PDA in tetralogy of Fallot with pulmonary atresia (ToF-PA) arises, in the left aortic arch, from underneath the arch and connects to the proximal left pulmonary artery, often resulting in stenosis. The PDA is usually elongated and tortuous, making stent implantation challenging. Shorter duration of palliation, aggravation of branch pulmonary artery stenosis resulting in poor growth and difficulty at surgery makes ductal stenting controversial. Access via the carotid and axillary artery reduces complexity of the procedure and improves success, with recent data demonstrating good pulmonary artery growth. Advances in bioresorbable stents offer future promise and will likely resolve some controversies surrounding PDA stenting in ToF-PA.
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