Faculty of Medicine

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Sex differences in transradial access failure in ST segment elevation myocardial infarction
(Wiley, 2024-09-30)
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Jovkovski, Aleksandar
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Taravari, Hajber
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Kitanoski, Darko
Background Transradial access (TRA) is now the default access site for PPCI, but technically is a more challenging approach mostly due to anatomic challenges connected to the RA. Aims To assess the differences according to sex in radial artery (RA) access site characteristics during primary percutaneous coronary intervention (PPCI) for ST segment elevation myocardial infarction (STEMI). Material and Methods All 5092 consecutive STEMI patients from our center in the period from March 2011 until December 2017 were examined. The right proximal radial was the “intention‐to‐treat” access in all patients. Preprocedural RA angiography was performed in all patients. Clinical and procedure characteristics, type of radial anatomy variants, need to use another arterial access sites (the primary endpoint for this study), and procedure time were analyzed by sex. Using logistic regression, we selected predictors of radial crossover. Access site bleeding complications and vascular complications were also recorded. Results The STEMI population in this period included 1326 females and 3766 male patients. Females were older (65 ± 11 years) than males (59 ± 11 years, p < 0.0001). Among standard risk factors, hypertension and diabetes mellitus were more common in women and smoking less common. RA anomalies were more frequent in the females (8.8% vs. 6.5%, p < 0.0001), with complex RA loop and tortuous RA twice as frequent in women. Failure of TRA access as the initially chosen site occurred in 4.6% (61) of females versus 2.5% (97) of male STEMI patients (p = 0.0003). The most common subsequent access site was right ulnar access in both groups (57 and 61% respectively). Access site bleeding complications were more common in women 4.4% versus 3.2%, mirrored in hematomas with EASY score III to V. Clinical RA spasm (RAS) was significantly more frequent in females (5.7% vs. 2.2%, p < 0.0001). Multiple regression analysis identified 5 independent predictors for TRA access crossover: previous TRA, anomalous RA, RAS, along with female sex and diabetes. Conclusion Female sex is a significant predictor of more complex TRA in STEMI. Understanding sex differences and predictors for TRA crossover will strengthen the use of different procedural modalities that can help in preserving a successful wrist access in female STEMI patients.
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Transition Towards Transradial Approach Improves Outcomes of Acute Myocardial Infarction PCI
(Macedonian Academy of Sciences and Arts/Walter de Gruyter GmbH, 2017-09-01)
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Antov, Slobodan
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Kalpak, Gjorgji
Introduction and aim: Transradial (TRA) instead of transfemoral (TFA) approach strategy has been presented in research literature as superior access strategy especially for acute ST elevation myocardial infarction (STEMI) primary percutaneous coronary intervention (PCI). There is a paucity of registry-based data of outcomes from default TRA strategy compared to TFA. Materials and methods: All-comers STEMI PCI institutional Registry identified 1808 consecutive patients in time-frame of 40 months from 2007 to 2010, without making any exclusions. Moreover, we applied Propensity Score Matching (PSM) to replace randomization, address the potential confounding and selection bias. PSM derived 565 congruent pairs of patients from the groups. Results: After 30 days the primary composite endpoint of major adverse cardiovascular events (MACE) was in favor of TRA 6.5% vs. 12.4% in TFA group, simultaneously secondary endpoints of death in TRA with rate of 4.8% and with rate of 10.1% in TFA. Moreover, the rate of major access related bleeding was 1.1% in TRA vs. 8.5% in TFA, in contrast the major non-access related bleeding was 1.8% and 2.4% respectively showed no significant difference. One year Kaplan Meier survival plots were in favor of TRA. Conclusions: Default transradial access strategy is associated with improved STEMI PCI outcomes.
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Evaluation of optimal medical therapy in acute myocardial infarction patients with prior stroke
(SAGE Publications, 2021)
Zhang, Dongfeng
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Song, Xiantao
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Raposeiras-Roubín, Sergio
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Abu-Assi, Emad
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Simao Henriques, Jose Paulo
Treatment of acute myocardial infarction (AMI) patients with prior stroke is a common clinical dilemma. Currently, the application of optimal medical therapy (OMT) and its impact on clinical outcomes are not clear in this patient population.
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SYNERGY-Everolimus-Eluting Stent With a Bioabsorbable Polymer in ST-Elevation Myocardial Infarction: CLEAR SYNERGY OASIS-9 Registry
(Elsevier BV, 2024-06-01)
Jolly, Sanjit S
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Lee, Shun Fu
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Mian, Rajibul
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Lavi, Shahar
Our objective was to evaluate the clinical effectiveness of the SYNERGY stent (Boston Scientific Corporation, Marlborough, Massachusetts) in patients with ST-elevation myocardial infarction (STEMI). The only drug-eluting stent approved for treatment of STEMI by the Food and Drug Administration is the Taxus stent (Boston Scientific) which is no longer commercially available, so further data are needed. The CLEAR (Colchicine and spironolactone in patients with myocardial infarction) SYNERGY stent registry was embedded into a larger randomized trial of patients with STEMI (n = 7,000), comparing colchicine versus placebo and spironolactone versus placebo. The primary outcome for the SYNERGY stent registry is major adverse cardiac events (MACE) as defined by cardiovascular death, recurrent MI, or unplanned ischemia-driven target vessel revascularization within 12 months. We estimated a MACE rate of 6.3% at 12 months after primary percutaneous coronary intervention for STEMI based on the Thrombectomy vs percutaneous coronary intervention alone in STEMI (TOTAL) trial. Success was defined as upper bound of confidence interval (CI) to be less than the performance goal of 9.45%. Overall, 733 patients were enrolled from 8 countries with a mean age 60 years, 19.4% diabetes mellitus, 41.3% anterior MI, and median door-to-balloon time of 72 minutes. The MACE rate was 4.8% (95% CI 3.2 to 6.3%) at 12 months which met the success criteria against performance goal of 9.45%. The rates of cardiovascular death, recurrent MI, or target vessel revascularization were 2.7%, 1.9%, 1.0%, respectively. The rates of acute definite stent thrombosis were 0.3%, subacute 0.4%, late 0.4%, and cumulative stent thrombosis of 1.1% at 12 months. In conclusion, the SYNERGY stent in STEMI performed well and was successful compared with the performance goal based on previous trials.
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Spontaneous Coronary Artery Dissection
(Department of Anesthesia and Reanimation, Faculty of Medicine, "Ss Cyril and Methodius" University, Skopje, R. N. Macedonia, 2023-04)
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Bojoski I
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Jovanoski M
Spontaneous coronary artery dissection (SCAD) is non-iatrogenic, non-traumatic and nonatherosclerotic separation of the coronary artery wall caused by intramural hematoma development with or without simultaneous co-existence of coronary wall tear. The net effect is compression of the true coronary artery lumen with development of ischemia. SCAD typically occurs in relatively young population, dominantly females (around 90%), often in peripartum, in which there are absent or very rare classical risk-factors for coronary artery disease (CAD). The most frequent clinical manifestation of SCAD is acute coronary syndrome (ACS – STEMI or NSTEMI), rarely cardiogenic shock or life-threatening arrhythmias (VT or VF), and sometimes sudden cardiac death. Diagnosis (which sometimes can be challenging) is dominantly established by coronary angiography, and sometimes modalities of intravascular visualization may be useful (IVUS, OCT). The most of the patients with SCAD are treated conservatively and small proportion of them requires revascularization (PCI or CABG). In addition, we present several cases with SCAD. Conclusion: Timely and accurate diagnosis and treatment is extremely important in SCAD, which is a potentially life-threatening condition.
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Prevalence of standard modifiable cardiovascular risk factors in patients with ST segment elevation myocardial infarction and its relation with outcomes
(Oxford University Press (OUP), 2022-10-01)
Bergami, M
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Simovic, S
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Cenko, E
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Davidovic, G
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Background: It has been recently suggested that more than 15% of patients with ST-segment–elevation myocardial infarction (STEMI) lack any of the standard modifiable risk factors (cigarette smoking, diabetes, hyperlipidemia, and hypertension -SMuRFs). This claim implies that other factors play a significant role in development of STEMI and has led to considerable interest in genetic causes of coronary heart disease including family history (FHx) Purpose: To investigate whether FHx may be a significant driver for STEMI in patients without SMuRFs. Methods: We analyzed 11,840 patients with ACSs, without evidence of prior cardiovascular disease (CVD) enrolled in the ISACS-TC (International Survey of Acute Coronary Syndromes in Transitional Countries) registry between January 2010 to January 2021. Main outcome measures were the adjusted rates of STEMI and 30-day mortality from STEMI using multivariable logistic regression models. Patients presenting with non-ST elevation acute coronary syndromes served as controls. Results: Among patients with STEMI, at least 1 of the 4 conventional risk factors was present in 88.1% of women and 86.7% of men. Overall, 3,194 patients (27.0%) self-reported a FHx of CV disease, defined as a firstdegree relative with premature CV events (men, age <55 years; women, age <65 years). There were 261 (8.2%) patients with FHx but without SMuRFs and 2,933 (91.8%) patients with FHx and SMuRFs. After adjusting for age, and standard risk factors, FHx was associated with a significantly lower incidence of STEMI in patients with SMuRFs, but not in those without SMuRFs (ORs: 0.87; 95% Cl: 0.79 to 0.97 vs 0.80; 95% Cl: 0.58 to 1.12). Prior use of evidence-based medications (aspirin, beta-blockers, ACE inhibitors/ARBs and statins) did not consistently change prior estimates on FHx and SMuRFs (OR: 0.82 95% Cl: 0.71 to 0.96 and OR 0.89 95% CI: 0.54–1.47). Patients who presented with STEMI had a 46% excess risk of 30-day mortality (OR: 1.46; 95% CI: 1.11 to 1.91; p<0.001) compared with controls Conclusions: In direct contrast with recent findings, almost 90% of patients with STEMI have SMuRFs. Self-reported FHx is not a significant risk factor for development of STEMI and related high rate of CV mortality in patients without SMuRFs. Although research on genetic causes of heart disease is important, public health policies, and research efforts should place significant emphasis on the 4 SMuRFs and the lifestyle behaviors causing them to reduce the epidemic of STEMI.
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Impact of COVID-19 Pandemic on Mechanical Reperfusion for Patients With STEMI
(Elsevier, 2020-11-17)
De Luca, Giuseppe
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Verdoia, Monica
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Cercek, Miha
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Jensen, Lisette Okkels
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The fear of contagion during the coronavirus disease-2019 (COVID-19) pandemic may have potentially refrained patients with ST-segment elevation myocardial infarction (STEMI) from accessing the emergency system, with subsequent impact on mortality.
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Impact of COVID-19 pandemic and diabetes on mechanical reperfusion in patients with STEMI: insights from the ISACS STEMI COVID 19 Registry
(Springer Science and Business Media LLC, 2020-12-18)
De Luca, Giuseppe
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Cercek, Miha
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Jensen, Lisette Okkels
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Calmac, Lucian
It has been suggested the COVID pandemic may have indirectly affected the treatment and outcome of STEMI patients, by avoidance or significant delays in contacting the emergency system. No data have been reported on the impact of diabetes on treatment and outcome of STEMI patients, that was therefore the aim of the current subanalysis conducted in patients included in the International Study on Acute Coronary Syndromes-ST Elevation Myocardial Infarction (ISACS-STEMI) COVID-19.
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Acute Myocardial Infarction with St-Segment Elevation: To Aspirate or Not?
(MedCrave, 2017-03-17)
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Paljoshkovska-Jordanova S
Acute myocardial infarction with ST-segment elevation (STEMI) is the most serious clinical manifestation of acute coronary syndrome (ACS). Golden therapeutic approach for patients with STEMI is primary percutaneous coronary intervention (PCI) and its aim is to restore normal coronary flow and provide myocardial tissue reperfusion as soon as possible leading to myocardial salvage. Thrombus aspiration is an adjunctive therapeutic modality to conventional PCI which can be especially powerful and helpful in some clinical subsets of STEMI with large thrombus burden. Here we discuss about advantages and disadvantages of the thrombus aspiration technique in regard to the most important clinical trials.
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Total Wrist Access for Primary Percutaneous Coronary Intervention: A Real World Single Center Registry of 2624 Consecutive Patients with Acute STEMI
(HMP Communications, LLC, 2015-01)
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S. Antov
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