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Introduction: Several international studies have already confirmed the importance of the socioeconomic status of acute myocardial infarction patients in terms of patient care and prognosis. To our knowledge, a nationwide examination of this kind has not yet taken place in Hungary. The investigation of this problem field was made possible by the fact that from January 1, 2014, all healthcare providers must record the data of patients treated with a diagnosis of acute myocardial infarction in the database of the Hungarian Myocardial Infarction Registry (HUMIR)., Objective: In this study, the authors searched for an answer to whether the complex development index (CDI) in Hungary's 174 districts and 23 capital districts influences the treatment and prognosis of acute myocardial infarction patients., Method: Based on the CDI worked out by the Hungarian Central Statistical Office, the authors divided the Hungarian districts into low (CDI_L), medium (CDI_M) and high (CDI_H) CDI groups according to their values. They examined the incidence, hospital treatment and prognosis of acute myocardial infarction in these administrative-territorial units. The HUMIR included 66,253 patients treated by myocardial infarction between 2015 and 2019. Their place of residence could be identified based on the zip code and in which district it was located. In the examined population, 29,101 patients with ST-elevation (STEMI) and 37,152 without ST-elevation (NSTEMI) received treatment for acute myocardial infarction., Results: In the population over 15 years of age, the age-standardized incidence of STEMI was 68.8 per 100,000 inhabitants a year in the CDI_L group and 52.7 per 100,000 inhabitants a year in the CDI_H group. Almost the same values were found in all three CDI subgroups of NSTEMI incidence (69.5 and 67 per 10,000 inhabitants a year). The frequency of percutaneous coronary intervention in the case of STEMI was higher than in NSTEMI, but within the groups, CDI did not influence the performance of this treatment. In the case of STEMI, the rates of patients who underwent percutaneous coronaria intervention in all three CDI subgroups (CDI_L, CDI_M, CDI_H) were 83.5%, 83.7%, 83.5%, while in the case of NSTEMI they were 57.4%, 57.7%, 57.3%. The authors applied a Cox multivariate regression analysis to examine myocardial infarction mortality. The CDI did not affect the 30-day mortality rates in the case of any myocardial infarction: the hazard ratio (HR) values were 0.906 and 0.914 (p = 0.04659; p = 0.04686) in the case of STEMI, while 1.067 and 1.001 (p = 0.16520; p = 0.98933) in the case of NSTEMI. In the case of a STEMI diagnosis, the risk of the 30-364-day and the 1-year mortality in the subgroup of CDI_H was significantly lower (HR = 0.822 and 0.816) than in the subgroup of CDI_L (p = 0.00096 and p = 0.00001). In the case of NSTEMI diagnosis, the authors found a difference in the risk of beyond 1-year mortality by comparing the districts in the subgroup of CDI_L with the districts in CDI_H: in the latter case, the HR of the mortality was 0.876, which was significantly lower (p = 0.00029) than in the subgroup of CDI_L., Conclusion: The CDI has independent prognostic significance in determining the late prognosis of acute myocardial infarction patients. Orv Hetil. 2022; 163(47): 1862-1871.

Összefoglaló. Előzmény: A szívinfarktus miatt kezelt betegek ellátásának regionális adataira és a betegek hosszú távú kórlefolyására vonatkozó hazai kutatás eddig nem történt. Célkitűzés: A vizsgálat célja a Magyar Infarktus Regiszter pilotidőszakában rögzített betegeknél az ellátás és a 10 éves túlélés elemzése a magyarországi nagyrégiókban. Módszer: A Magyar Infarktus Regiszter (későbbi neve: Nemzeti Szívinfarktus Regiszter) 2010. január 1. és 2013. december 31. között a centrumok önkéntes részvételével 23 142 beteg adatait rögzítette, akik írásban hozzájárultak egészségügyi és klinikai adataik kezeléséhez. Az adatgyűjtés a Kutatásetikai Bizottság engedélyével rendelkezett. A vizsgált populációban 12 104, ST-elevációval járó myocardialis infarctuson (STEMI) és 10 768, ST-elevációval nem járó myocardialis infarctuson (NSTEMI) átesett beteg szerepelt. A feldolgozott adatok 128 220 betegévre vonatkoznak, amelyeket nagyrégiók szerint (Nyugat-, Közép- és Kelet-Magyarország) hasonlítottunk össze. Eredmények: A STEMI-betegek 78,4%-ánál, az NSTEMI-betegek 51,6%-ánál történt katéteres érmegnyitás (PCI). NSTEMI esetén a Közép-Magyarország és Nyugat-Magyarország régiókban a beavatkozás gyakoribb volt, mint a Kelet-Magyarország régióban (p<0,01). Az utánkövetés során a PCI a Nyugat-Magyarország régióban, a revascularisatiós szívműtét (CABG) a Nyugat-Magyarország és a Kelet-Magyarország régióban szignifikánsan gyakoribb volt, mint a Közép-Magyarország régióban (p<0,01). A STEMI-betegek között a 10 év alatt a férfiak 49,2%-a, a nők 46,6%-a halt meg, az NSTEMI-csoportban 63%, illetve 57,6%. Az akut szakban elvégzett PCI mindkét betegcsoportban, nemben, az utánkövetés minden időpontjában és a vizsgált régiókban csökkentette a halálozást (p<0,01). A STEMI-betegek esetén a túlélés a régiók között nem különbözött (p = 0,72), míg az NSTEMI után a 10 éves túlélés a Nyugat-Magyarország régióban jobb volt (p<0,01). Következtetés: A magyarországi nagyrégiók között az infarktusos betegek ellátásában és prognózisában regionális különbségek vannak. Orv Hetil. 2021; 162(36): 1438-1450., History: Regional data on patients' care for myocardial infarction and the long-term follow up of patients have not yet been studied in Hungary., Objective: The study aims to analyze the care and 10-year survival of patients recorded during the Hungarian Myocardial Infarction Registry's pilot period in large regions of Hungary., Method: Between Jan 1, 2010 and Dec 31, 2013, the Hungarian Myocardial Infarction Registry recorded data on 23 142 patients with voluntary participation. The Research Ethics Committee approved the program. The study included 12 104 patients with ST-elevation myocardial infarction (STEMI) and 10 768 patients with non-ST-elevation myocardial infarction (NSTEMI). The data processed refer to 128 220 patient years based on large regions (West, Central and East Hungary)., Results: Percutaneous coronary intervention occurred in 78.4% of STEMI patients and 51.6% of NSTEMI patients. In the NSTEMI group, percutaneous coronary interventions (PCIs) in the Central-Hungary and West-Hungary regions were significantly more common than in the East-Hungary region (p<0.01). During follow-up, PCI in the West-Hungary region, revascularization surgery in the West-Hungary and East-Hungary regions were significantly more common than in the Central-Hungary region (p<0.01). Among STEMI patients, 49.2% of men and 46.6% of women died within 10 years, while in the NSTEMI group 63% and 57.6%, respectively. PCI reduced mortality in both patient groups, sex, at all times of follow-up and in the regions studied (p<0.01). As for STEMI patients, survival was similar in all regions (p = 0.72), while after NSTEMI, 10-year survival in the West-Hungary region was better (p<0.01)., Conclusion: There are regional differences in the care and prognosis of patients with myocardial infarction. Orv Hetil. 2021; 162(36): 1438-1450.

Introduction and aim: The authors analyse emergency care data for 6878 patients treated for acute myocardial infarction (AMI) using data from the Hungarian Myocardial Infarction Registry (HUMIR) and the National Ambulance Service (NAS). Method: Patients received treatment between 01/01/2017 and 31/12/2018, and all patients underwent percutaneous coronary intervention (PCI): 47.5% of patients had ST-elevation myocardial infarction (STEMI) and 3614 patients (52.5%) had non-ST-elevation myocardial infarction. The time between the beginning of the complaint and notification of NAS was regarded as the patient delay (PD). The time from the notification of NAS until arrival on the scene (M1), that of the on-site care (M2) and of the transport from the scene to the hospital (M3) were recorded. In-hospital care was evaluated from admission until opening the vessel ("door to balloon time"). The results were also broken down by counties. The median values and the quartiles (Q1, Q3) were given when the time was reported. Results: Patient delay in both types of infarction was unfavourably long: 101 minutes for STEMI and 687 minutes for NSTEMI. Immediate ambulance action was recorded in 58.7% for STEMI patients and 43.7% for NSTEMI patients. In both types of myocardial infarction, the median M1 time was 13 minutes, on-site care (M2) was 23 minutes, and M3 time was 30 minutes. In patients treated for STEMI, the time from hospital admission until opening the infarct-related artery was 37 minutes, and the total ischemic time was 243 minutes. In 9.5% of STEMI patients, the infarct-related artery was opened within 2 hours, in 49.1% within 4 hours, and in 88.1% within 12 hours. Significant differences were found between the counties for each of the periods examined. Conclusions: The PD is currently the biggest problem in providing optimal care timely for myocardial infarction patients. There are significant regional differences in rescue times, and further analysis is needed to investigate the causes. Orv Hetil. 2020; 161(12): 458-467.

Introduction and Aim: The authors examined the pre-hospital delay of patients with ST-elevation myocardial infarction receiving percutaneous coronary revascularization., Method: In the Hungarian Myocardial Infarction Registry (HUMIR), between January 1, 2014 and March 31, 2016, 7146 patients were found who had all necessary time intervals available. In the database of the National Ambulance Service (OMSZ), 3288 patients were found who had the necessary time intervals. The following time intervals were investigated: the time from the beginning of the complaint to the rescue service notification (patient delay time = PDT), the time of the rescue service to arrive at the scene (R1), the on-site care time (R2) and the time from the scene until arriving to the centre (R3). The case of care at the centre, we investigated the time from the onset of symptoms until the balloon inflation (SBI). If the first hospital had no cardiac catheterization laboratory, we measured the transfer time to the cath centre. The methodological details related to the operation of the HUMIR had been described in our earlier communication. Rescue times (R1, R2, R3) were investigated on the basis of the paper-based records of the National Emergency Service. The patients were divided into two groups based on the fact that the first admission hospital is a centre with a heart catheter facility (C) or a non-invasive hospital (H)., Results: 2621 patients (79.7%) were admitted to a hospital with cath lab (C) and 667 patients with secondary transport. Patients with primary transport to C were younger, but for other data, the two groups did not differ. The median of PDT for patients in group C was 114, and 121 minutes for patients in group H. There was no significant difference between R1 and R2 time between the two groups. R3 time in group C was longer than for H patients. In the case of secondary transport, the median time was 98 minutes until the centre. The median time from the beginning of the complaint to the balloon inflation (total ischemic time) was 260 minutes in group C and 356 minutes in group H., Conclusion: Based on the analysis of the total ischemic time and the pre-hospital delay, it is clear that the care of myocardial infarction patients can be further improved by reducing the patient's decision time and increasing the proportion of primary transport. Rescue times (R1, R2, R3) met the expectations, however, further analysis of the M2 time should be considered. Orv Hetil. 2019; 160(1): 20-25.

Introduction: The significance of the total ischemic time (from the beginning of the complaint to the opening of the vessel) is an important factor for myocardial salvage., Aim: The aim of the study was to determine the prognostic significance of the TIT in patients with ST elevation myocardial infarction in Hungary., Method: From 1 January 2014 all patients with myocardial infarction were recorded by law in an on-line database of the Hungarian Myocardial Infarction Registry. Between 1 January 2014 and 31 March 2016, 27 157 patients with 28 408 myocardial infarction events were recorded. To investigate TIT, 7146 STEMI patients were selected who were treated with percutaneous coronary intervention (PCI) within 24 hours of the beginning of the complaint and all of its components were known., Results: Average follow-up was 740 ± 346 days. The median time of the TIT is 260 minutes, within which the earliest prehospital time was found (median 205 minutes). The TIT influenced survival: if this time was less than 400 minutes, the 30-day and the 1-year deaths were 7.5% and 12.2%, respectively. In longer TIT, higher mortality rate was found (9.2% versus 19.7%, respectively). Multivariate analysis was performed for short (<30 days), medium (30-364 days) and long-term (≥365 days) survival. Diabetes mellitus is a short-term prognostic factor, abnormal creatinine, and severe coronary status have affected short and medium survival. PCI was significant in terms of medium and long-term survival. Previous myocardial infarction and TIT influenced the long-term survival significantly., Conclusions: In Hungary, TIT is too long, and its dominant part falls within the prehospital period. The TIT is an independent prognostic factor, so reducing this time can improve the long-term prognosis of patients with ST-elevation myocardial infarction. Orv Hetil. 2018; 159(27): 1113-1120.