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Out-of-hospital cardiac arrest (OHCA) remains a leading cause of global mortality, while survivors are burdened with long-term neurological and cardiovascular complications. OHCA management at the hospital level remains challenging, due to heterogeneity of OHCA presentation, the critical status of OHCA patients reaching the return of spontaneous circulation (ROSC), and the demands of post ROSC treatment. The validity and optimal timing for coronary angiography is one important, yet not fully defined, component of OHCA management. Guidelines state clear recommendations for coronary angiography in OHCA patients with shockable rhythms, cardiogenic shock, or in patients with ST-segment elevation observed in electrocardiography after ROSC. However, there is no established consensus on the angiographic management in other clinical settings. While coronary angiography may accelerate the diagnostic and therapeutic process (provided OHCA was a consequence of coronary artery disease), it might come at the cost of impaired post-resuscitation care quality due to postponing of intensive care management. The aim of the current statement paper is to discuss clinical strategies for the management of OHCA including the stratification to invasive procedures and the rationale behind the risk-benefit ratio of coronary angiography, especially with patients in critical condition.

Background: The purpose of this study was to compare the safety and clinical outcomes of transcarotid (TC) and transapical access (TA) transcatheter aortic valve implantation (TAVI) patients whom the transfemoral approach (TF) was not feasible., Methods: The analysis included consecutive patients with severe symptomatic aortic stenosis treated from 2017 to 2020 with TC-TAVI or TA-TAVI in two high-volume TAVI centers. The approach was selected by multidisciplinary heart teams after analyzing multislice computed tomography of the heart, aorta and peripheral arteries, transthoracic echocardiography and coronary angiography., Results: One hundred and two patients were treated with alternative TAVI accesses (TC; n = 49 and TA; n = 53) in our centers. The groups were similar regarding age, gender, New York Heart Association class, and echocardiography parameters. Patients treated with TC-TAVI had significantly higher surgical risk. The procedural success rate was similar in both groups (TC-TAVI 98%; TA-TAVI 98.1%; p = 0.95). The rate of Valve Academic Research Consortium-2 defined clinical events was low in both groups. The percentage of new-onset rhythm disturbances and permanent pacemaker implantation was similar in TC and TA TAVI (4.1% vs. 11.3%; p = 0.17 and 10.2% vs. 5.7%; p = 0.39, respectively). In the TA-TAVI group, significantly more cases of pneumonia and blood transfusions were observed (11% vs. 0%; p = 0.01 and 30.2% vs. 12.2%; p = 0.03). The 30-day mortality was similar in TC and TA groups (4.1% vs. 5.7%; p = 0.71, respectively)., Conclusions: Both TC and TA TAVI are safe procedures in appropriately selected patients and are associated with a low risk of complications.

Background: The treatment of aortic root aneurysm remains challenging for both cardiac surgeons and cardiologists., Aims: This study aimed to assess and compare the long-term outcomes of different approaches to aortic root replacement (ARR)., Methods: All elective patients operated for aortic root aneurysm with or without aortic regurgitation at our institution over a 10-year period were included. We excluded patients with any degree of aortic stenosis and with active endocarditis. We assessed mortality, freedom from reoperation, freedom from aortic valve regurgitation, and the rate of hemorrhagic and thromboembolic complications., Results: Two hundred and four patients underwent elective aortic root replacement: 107 (53%) valve-sparing aortic root replacement (VSARR), 35 (17%) mechanical Bentall procedure (MB), and 62 (30%) Bio-Bentall procedure (BB). Early mortality for VSARR, BB, and MB group was 2.8%, 4.8%, and 0%, respectively (P = 0.40). Estimated 5-year survival was: 90.2% vs. 78.4% vs. 94.2%, respectively (P = 0.12), 5-year freedom from reoperation: 97.8%, 96.6%, and 96.8%, respectively (P = 0.99). Estimat-ed 5-year freedom from complications was: 94.2%, 83.1% and 57.3% in the VSARR, BB and MB group, respectively (P <0.001). On last follow-up echocardiography, 90.5%, 98.4%, and 97.1% (P = 0.08) of patients were free from aortic regurgitation grade 2 or higher. The median (IQR) aortic valve peak gradient was 9 (6-12) mm Hg, 12 (10-18) mm Hg and 16 (14-22) mm Hg, respectively (P <0.001). Complications were predicted by mechanical Bentall (hazard ratio, 6.70 [2.54-17.63]; P <0.001)., Conclusion: With the same mortality, freedom from reoperation, and a minimal late complication rate in comparison with mechanical Bentall and Bio-Bentall, VSARR might be the preferred approach to aortic root aneurysm.

Background: In patients with acute phase of ST‑segment elevation myocardial infarction (STEMI), quick transportation to a specialist therapeutic center is of utmost importance to increase the chances of surviving., Aims: The objective of this study was to characterize the missions of the Polish Helicopter Emergency Medical Service (HEMS) to patients with STEMI in urban and rural areas and to assess the utilization of air ambulance support as part of an early stage of the therapeutic process., Methods: This retrospective analysis included 6099 patients with STEMI treated by the Polish HEMS crews from January 2011 to December 2018., Results: The study group included mainly men (68.9%) and persons aged 60 to 79 years (53.9%). The mean (SD) age of the entire group was 64.8 (11.9) years. The level of consciousness measured by the Glasgow Coma Scale score ranged from 13 to 15 (84.8% of patients), the mean (SD) Revised Trauma Score was 11.4 (1.9) points, and the mean (SD) number of points on the National Advisory Committee for Aeronautics scale was 4 (1). In rural areas, the Polish HEMS crews were more frequently dispatched to medical emergencies (99.3% vs 59.6%). Sudden cardiac arrest occurred more often in those areas (6% vs 3.8%), which resulted in the death of the patient (2.4% vs 0.4%; P <0.05 for both)., Conclusions: There were differences in utilization of the Polish HEMS in patients with STEMI in urban and rural areas. The results demonstrated a positive impact of the utilization of HEMS in the early stages of the therapeutic process of these patients.

Background: Coronary artery disease (CAD) remains the leading cause of death in developed countries, and there is an increasing number of both young and elderly patients requiring surgical treatment. Despite improvement of conventional risk stratification scores (EuroSCORE II, STS risk score), all of the calculations are estimated based on the typical population and the studies emphasise that the scales may need further investigation and modernisation because demographic changes of the population suffering from CAD are unavoidable., Aim: To characterise two increasing and challenging cohorts of patients undergoing coronary artery bypass grafting (CABG) and to identify preoperative risk factors for postoperative complications., Methods: In the retrospective cross-sectional study, we analysed 388 patients ≥ 80 years old and 190 patients ≤ 50 years old, who underwent CABG consecutively at our Institution. Data were obtained from medical records., Results: The vast majority of studied patients had commonly described risk factors for cardiovascular diseases, regardless of the age group. Diabetes was present in almost twice as many individuals in the older cohort, when compared to the EuroSCORE population. A similar observation was made for hypertension, which was more frequent in both age groups. Summarising all of the postoperative complications, at least one occurred significantly more frequently among the older group (10% vs. 20.9%, p = 0.001). The vast majority of major adverse cardiac and cerebrovascular events (MACCE) in the older group led to death (79.4%). Among patients ≥ 80 years old, higher New York Heart Association (NYHA) class (p = 0.001, OR 2.05 [1.34-3.12] for every next class) and renal failure (p = 0.02, OR 2.47 [1.16-5.25]) increased the MACCE rate, whereas higher left ven-tricular ejection fraction (LVEF) (p = 0.002, OR 0.81 [0.7-0.93] for every 5%) decreased the risk. Emergent admission was the only factor increasing the occurrence of any postoperative complications among patients ≤ 50 years old (p = 0.007, OR 3.63, 95% CI 1.37-9.62). On the other hand, among patients ≥ 80 years old, emergent admission was not associated with any postoperative complications., Conclusions: Young and old patients requiring CABG differ from the standard EuroSCORE population. Postoperative complications are more common among older patients, and MACCE is usually fatal in this age group. Individuals with risk factors for MACCE (higher NYHA class, renal failure, lower LVEF) should be carefully evaluated and qualified, and closely monitored post-surgery.

Severe accidental hypothermia is a condition associated with significant morbidity and mortality. In the years 2009–2012 the Polish National Statistics Department reported 1836 deaths due to exposure to excessive natural cold. The Severe Accidental Hypothermia Centre (CLHG, Centrum Leczenia Hipotermii Glebokiej) was set up in Krakow in 2013. It is a unit functioning within the structure of the Cardiac Surgery Clinic, established in order to improve the effectiveness of the treatment of patients in the advanced stages of severe hypothermia. Early identification of hypothermia, binding algorithm and coordination leading to extracorporeal rewarming, are the most important elements in the deep hypothermia management.