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Wischmann P, Bruno RR, Wernly B, Wolff G, Afzal S, Rezar R, Cramer M, Heramvand N, Kelm M, Jung C. Relevance of pre-existing anaemia for patients admitted for acute coronary syndrome to an intensive care unit: a retrospective cohort analysis of 7418 patients. EUROPEAN HEART JOURNAL OPEN 2022; 2:oeac040. [PMID: 35919579 PMCID: PMC9260305 DOI: 10.1093/ehjopen/oeac040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 05/30/2022] [Accepted: 06/13/2022] [Indexed: 11/14/2022]
Abstract
Aims Patients with acute coronary syndrome (ACS) frequently suffer from anaemia, but its role in patients admitted to an intensive care unit (ICU) is unclear. This analysis evaluates the prognostic relevance of different degrees of anaemia and their specific impact on disease severity and the outcome in critically ill ACS patients. Methods and results and results The multi-centre electronic Intensive Care Unit Collaborative Research Database was used, and all patients admitted with ACS were included in a retrospective analysis. Anaemia and its degrees were defined according to the criteria by the World Health Organization. A multi-level logistic regression analysis was used to fit three sequential regression models for the binary primary outcome of hospital mortality. A total of 7418 patients were included; 3437 patients (46%) had anaemia on admission. Patients with anaemia were significantly older [61 (53–70) vs. 70 (61–78) years, P < 0.001], more often female (P < 0.001), and required an increased rate of vasopressor use (P < 0.001) and mechanical ventilation (P < 0.001). With the higher Sequential organ failure assessment score (1 vs. 2; P < 0.001) and Acute Physiology And Chronic Health Evaluation (35 vs. 47; P < 0.001) scores, a higher degree of anaemia was associated with prolonged ICU stay (2 vs. 5 days, P < 0.001). Even patients with mild anaemia needed significantly from more intensive treatment and suffered worse outcome. Intensive care unit and hospital mortality were inversely associated with haemoglobin levels. Conclusion Nearly half of critically ill patients with ACS suffer from anaemia, which is associated with increased illness severity, complex ICU procedures, and mortality—even in mild anaemia. Haemoglobin on admission is an independent factor for adverse outcome.
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Affiliation(s)
- Patricia Wischmann
- Division of Cardiology, Pulmonology and Vascular Medicine, Medical Faculty, University Hospital Düsseldorf, Heinrich Heine University Düsseldorf , Moorenstr. 5, 40225 Düsseldorf , Germany
| | - Raphael Romano Bruno
- Division of Cardiology, Pulmonology and Vascular Medicine, Medical Faculty, University Hospital Düsseldorf, Heinrich Heine University Düsseldorf , Moorenstr. 5, 40225 Düsseldorf , Germany
| | - Bernhard Wernly
- Institute of General Practice, Family Medicine and Preventive Medicine, Paracelsus Medical University , Strubergasse 21, 5020 Salzburg , Austria
- Center for Public Health and Healthcare Research, Paracelsus Medical University Salzburg , Strubergasse 21, 5020 Salzburg , Austria
| | - Georg Wolff
- Division of Cardiology, Pulmonology and Vascular Medicine, Medical Faculty, University Hospital Düsseldorf, Heinrich Heine University Düsseldorf , Moorenstr. 5, 40225 Düsseldorf , Germany
| | - Shazia Afzal
- Division of Cardiology, Pulmonology and Vascular Medicine, Medical Faculty, University Hospital Düsseldorf, Heinrich Heine University Düsseldorf , Moorenstr. 5, 40225 Düsseldorf , Germany
| | - Richard Rezar
- Clinic of Internal Medicine II, Department of Cardiology, Paracelsus Medical University of Salzburg , Strubergasse 21, 5020 Salzburg , Austria
| | - Mareike Cramer
- Division of Cardiology, Pulmonology and Vascular Medicine, Medical Faculty, University Hospital Düsseldorf, Heinrich Heine University Düsseldorf , Moorenstr. 5, 40225 Düsseldorf , Germany
| | - Nadia Heramvand
- Division of Cardiology, Pulmonology and Vascular Medicine, Medical Faculty, University Hospital Düsseldorf, Heinrich Heine University Düsseldorf , Moorenstr. 5, 40225 Düsseldorf , Germany
| | - Malte Kelm
- Division of Cardiology, Pulmonology and Vascular Medicine, Medical Faculty, University Hospital Düsseldorf, Heinrich Heine University Düsseldorf , Moorenstr. 5, 40225 Düsseldorf , Germany
- Cardiovascular Research Institute Düsseldorf (CARID), Heinrich Heine University , Moorenstraße 5, 40225 Duesseldorf , Germany
| | - Christian Jung
- Division of Cardiology, Pulmonology and Vascular Medicine, Medical Faculty, University Hospital Düsseldorf, Heinrich Heine University Düsseldorf , Moorenstr. 5, 40225 Düsseldorf , Germany
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Fathi M, Moghaddam NM, Jahromi SN. A prognostic model for 1-month mortality in the postoperative intensive care unit. Surg Today 2021; 52:795-803. [PMID: 34698938 DOI: 10.1007/s00595-021-02391-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 08/21/2021] [Indexed: 10/20/2022]
Abstract
PURPOSES Recognizing which patients admitted postsurgically to the intensive care unit (ICU) are at greater risk of mortality assists medical staff to identify who will benefit most from the care. We developed a prediction model for the 1-month mortality of postsurgical ICU patients. METHODS From May, 2019 to May, 2020, we conducted a prospective cohort study in the postsurgical ICU of a teaching hospital affiliated with our University of Medical Sciences. The outcome was death within 1 month of admission and the predictors were a variety of anthropometric and clinical features. The subjects of this analysis were 805 consecutive adult postsurgical patients with a mean (SD) age of 54.8 (18.9) years. RESULTS Overall, the resulted logistic model was well-fitted [χ2 (26) = 772.097, p < 0.001, Nagelkerke R2 = 0.814] accurate (88%), and specific (92%). The adjusted odds ratio for body temperature was 0.51, p < 0.001. Patients with comorbidities and those undergoing multiple operations were at a greater risk of mortality, odds = 10.00 and 10.65 (both p < 0.001). CONCLUSIONS Higher body temperature at the time of postoperative ICU admission is a protective factor against 1-month mortality. Our study found that patients with several comorbidities and those who have undergone multiple operations are at a greater risk of a poor outcome.
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Affiliation(s)
- Mohammad Fathi
- Critical Care Quality Improvement Research Center, Shahid Modarres Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Department of Anesthesiology, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Nader Markazi Moghaddam
- Critical Care Quality Improvement Research Center, Shahid Modarres Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran. .,Department of Health Management and Economics, Faculty of Medicine, AJA University of Medical Sciences, Shahid Etemadzadeh St., Western Fatemi, Tehran, 1411718541, Iran.
| | - Saba Naderian Jahromi
- Faculty of Industrial and Systems Engineering, Tarbiat Modares University, Tehran, Iran
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3
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Breen TJ, Padkins M, Bennett CE, Anavekar NS, Murphy JG, Bell MR, Barsness GW, Jentzer JC. Predicting 1-Year Mortality on Admission Using the Mayo Cardiac Intensive Care Unit Admission Risk Score. Mayo Clin Proc 2021; 96:2354-2365. [PMID: 34366138 DOI: 10.1016/j.mayocp.2021.01.031] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 01/10/2021] [Accepted: 01/21/2021] [Indexed: 12/16/2022]
Abstract
OBJECTIVE To determine whether the Mayo Cardiac Intensive Care Unit (CICU) Admission Risk Score (M-CARS) accurately predicts 1-year mortality. METHODS We retrospectively reviewed adult CICU patients admitted from January 1, 2007, through April 30, 2018, and calculated M-CARS using admission data. We examined the association between admission M-CARS, as continuous and categorical variables, and 1-year mortality. RESULTS This study included 12,428 unique patients with a mean age of 67.6±15.2 years (4686 [37.7%] female). A total of 2839 patients (22.8%) died within 1 year of admission, including 1149 (9.2%) hospital deaths and 1690 (15.0%) of the 11,279 hospital survivors. The 1-year survival decreased incrementally as a function of increasing M-CARS (P<.001), and all components of M-CARS were significant predictors of 1-year mortality (P<.001). The 1-year survival among hospital survivors decreased incrementally as a function of increasing M-CARS for scores below 3 (all P<.001); however, there was no further decrease in 1-year survival for hospital survivors with M-CARS of 3 or more (P=.99). The M-CARS components associated with 1-year mortality among hospital survivors included blood urea nitrogen, red blood cell distribution width, Braden skin score, and respiratory failure (all P<.001). CONCLUSION M-CARS predicted 1-year mortality among CICU admissions, with a plateau effect at high M-CARS of 3 or more for hospital survivors. Significant added predictors of 1-year mortality among hospital survivors included markers of frailty and chronic illness.
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Affiliation(s)
- Thomas J Breen
- Department of Internal Medicine, Mayo Clinic, Rochester, MN
| | | | - Courtney E Bennett
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN; Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Mayo Clinic, Rochester, MN
| | | | - Joseph G Murphy
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN
| | - Malcolm R Bell
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN
| | | | - Jacob C Jentzer
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN; Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Mayo Clinic, Rochester, MN.
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4
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Silva C, Martins J, Campos I, Arantes C, Braga CG, Salomé N, Gaspar A, Azevedo P, Álvares Pereira M, Marques J, Vieira C. Prognostic impact of iron deficiency in acute coronary syndromes. Rev Port Cardiol 2021; 40:525-536. [PMID: 34392892 DOI: 10.1016/j.repce.2020.09.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2019] [Accepted: 09/29/2020] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Iron deficiency (IDef) is a prevalent condition in patients with heart disease and in those with heart failure (HF). Evidence has shown that this deficit is associated with worse prognosis. Data in literature are scarce on the prognostic impact of IDef in acute coronary syndromes (ACS), which is the main objective of this study. METHODS Observational, retrospective study which included 817 patients admitted for ACS. Two groups were defined according to the presence (n=298) or absence of IDef (n=519) on admission. The clinical event under study was the occurrence of death or severe HF in the long term. Independent predictors of prognosis were determined with logistic regression analysis. RESULTS Thirty-six percent of patients had IDef. There was higher mortality (p=0.004), higher incidence of HF (p=0.011) during follow-up and a higher rate of hospital readmissions (p=0.048) in this group. IDef was an independent predictor of death or severe HF in follow-up, along with anemia, left ventricular dysfunction, renal dysfunction and the absence of revascularization. IDef also enabled us to further stratify the prognosis of patients without anemia based on the occurrence of death or severe HF and those with lower Killip classes (≤2) based on the occurrence of death. CONCLUSION IDef was an independent predictor of death or severe HF in patients admitted with ACS and enabled additional stratification for those without anemia on admission and in those with Killip classes ≤2.
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Affiliation(s)
- Carina Silva
- Serviço de Medicina Interna, Hospital Santa Maria Maior, Barcelos, Portugal
| | | | - Isabel Campos
- Serviço de Cardiologia, Hospital de Braga, Braga, Portugal
| | - Carina Arantes
- Serviço de Cardiologia, Hospital de Braga, Braga, Portugal
| | | | - Nuno Salomé
- Serviço de Cardiologia, Hospital de Braga, Braga, Portugal
| | - António Gaspar
- Serviço de Cardiologia, Hospital de Braga, Braga, Portugal
| | - Pedro Azevedo
- Serviço de Cardiologia, Hospital de Braga, Braga, Portugal
| | | | - Jorge Marques
- Serviço de Cardiologia, Hospital de Braga, Braga, Portugal
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5
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Silva C, Martins J, Campos I, Arantes C, Braga CG, Salomé N, Gaspar A, Azevedo P, Álvares Pereira M, Marques J, Vieira C. Prognostic impact of iron deficiency in acute coronary syndromes. Rev Port Cardiol 2021. [PMID: 34006413 DOI: 10.1016/j.repc.2020.09.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Iron deficiency (IDef) is a prevalent condition in patients with heart disease and in those with heart failure (HF). Evidence has shown that this deficit is associated with a worse prognosis. There is only a small amount of data in the literature regarding the prognostic impact of IDef in acute coronary syndromes (ACS), which is the main objective of this study. METHODS Observational, retrospective study which included 817 patients admitted for ACS. Two groups were defined according to the presence (n = 298) or absence of IDeF (n = 519) on admission. The clinical event under study was the occurrence of death or severe HF in long term. Independent predictors of prognosis were determined with logistic regression analysis. RESULTS 36% of patients had IDef. These patients had a higher mortality rate (p = 0.004), higher incidence of HF (p = 0.011) during follow-up and a higher rate of hospital readmissions (p = 0.048). IDef was an independent predictor of death or severe HF in follow-up, along with anemia, left ventricular dysfunction, renal dysfunction and the absence of revascularization. Besides, IDef also enabled us to further stratify the prognosis of patients without anemia based on the occurrence of death or severe HF and those with lower Killip classes (≤2) based on the occurrence of death. CONCLUSION IDef was an independent predictor of death or severe HF in patients admitted with ACS and enabled additional stratification for those without anemia on admission and in those with Killip classes ≤2.
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Affiliation(s)
- Carina Silva
- Serviço de Medicina Interna, Hospital Santa Maria Maior, Barcelos, Portugal
| | | | - Isabel Campos
- Serviço de Cardiologia, Hospital de Braga, Braga, Portugal
| | - Carina Arantes
- Serviço de Cardiologia, Hospital de Braga, Braga, Portugal
| | | | - Nuno Salomé
- Serviço de Cardiologia, Hospital de Braga, Braga, Portugal
| | - António Gaspar
- Serviço de Cardiologia, Hospital de Braga, Braga, Portugal
| | - Pedro Azevedo
- Serviço de Cardiologia, Hospital de Braga, Braga, Portugal
| | | | - Jorge Marques
- Serviço de Cardiologia, Hospital de Braga, Braga, Portugal
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6
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Anemia in patients with high-risk acute coronary syndromes admitted to Intensive Cardiac Care Units. JOURNAL OF GERIATRIC CARDIOLOGY : JGC 2020; 17:35-42. [PMID: 32133035 PMCID: PMC7008098 DOI: 10.11909/j.issn.1671-5411.2020.01.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Background Little information exists about the role of anemia in patients with acute coronary syndromes (ACS) admitted to Intensive Cardiac Care Units (ICCU). The aim of this study was to assess the prevalence of anemia and its impact on management and outcomes in this clinical setting. Methods All consecutive patients admitted to eight different ICCUs with diagnosis of non-ST segment elevation ACS (NSTEACS) were prospectively included. Anemia was defined as hemoglobin < 130 g/L in men and < 120 g/L in women. The association between anemia and mortality or readmission at six months was assessed by the Cox regression method. Results A total of 629 patients were included. Mean age was 66.6 years. A total of 197 patients (31.3%) had anemia. Coronary angiography was performed in most patients (96.2%). Patients with anemia were significantly older, with a higher prevalence of comorbidities, poorer left ventricle ejection fraction and higher GRACE score values. Patients with anemia underwent less often coronary angiography, but underwent more often intraaortic counterpulsation, non-invasive mechanical ventilation and renal replacement therapies. Both ICCU and hospital stay were significantly longer in patients with anemia. Both the incidence of mortality (HR = 3.36, 95% CI: 1.43–7.85, P = 0.001) and the incidence of mortality/readmission were significantly higher in patients with anemia (HR = 2.80, 95% CI: 2.03–3.86, P = 0.001). After adjusting for confounders, the association between anemia and mortality/readmission remained significant (P = 0.031). Conclusions Almost one of three NSTEACS patients admitted to ICCU had anemia. Most patients underwent coronary angiography. Anemia was independently associated to poorer outcomes at 6 months.
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7
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Rayes HA, Vallabhajosyula S, Barsness GW, Anavekar NS, Go RS, Patnaik MS, Kashani KB, Jentzer JC. Association between anemia and hematological indices with mortality among cardiac intensive care unit patients. Clin Res Cardiol 2019; 109:616-627. [PMID: 31535171 PMCID: PMC7224152 DOI: 10.1007/s00392-019-01549-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Accepted: 09/11/2019] [Indexed: 12/22/2022]
Abstract
Background Anemia and elevated red cell distribution width (RDW) or mean corpuscular volume (MCV) are associated with an adverse prognosis in patients with cardiovascular disease and critical illness. Limited data exist regarding these associations in unselected cardiac intensive care unit (CICU) patients. Methods Retrospective cohort study of CICU patients between January 1, 2007, and December 31, 2015, with a hemoglobin (Hb) level measured at admission. Multivariable regression was performed to determine predictors of hospital mortality, and Kaplan–Meier analysis was used to determine post-discharge survival. Results We included 9644 patients with a mean age of 67.5 ± 15.1 years, including 3604 (37.4%) females. The median (IQR) values of Hb, MCV and RDW were 12.2 g/dL (10.6, 13.7), 90.7 fL (87.3, 94.2) fL, and 14.1% (13.3, 15.8), respectively. Anemia (admission Hb < 12 g/dL) was present in 4434 (46%) patients. A total of 845 (8.8%) patients died in the hospital. Patients with anemia had higher hospital mortality (11.3% vs. 6.6%, unadjusted OR 1.82, 95% CI 1.58–2.10, p < 0.001). After multivariable regression, admission Hb and MCV were not significantly associated with hospital mortality (both p > 0.1), while admission RDW (adjusted OR 1.12 per 1%, 95% CI 1.07–1.18, p < 0.001) was significantly associated with hospital mortality. Hospital survivors with lower Hb, higher MCV, or higher RDW had lower post-discharge survival. Conclusion Elevated RDW on admission was independently associated with higher hospital mortality in CICU patients. These data emphasize the importance of hematologic abnormalities for mortality risk stratification in CICU populations. Graphic abstract ![]()
Electronic supplementary material The online version of this article (10.1007/s00392-019-01549-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Hamza A Rayes
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - Saraschandra Vallabhajosyula
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA.,Department of Cardiovascular Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - Gregory W Barsness
- Department of Cardiovascular Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - Nandan S Anavekar
- Department of Cardiovascular Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - Ronald S Go
- Division of Hematology and Oncology, Department of Medicine, Mayo Clinic, Rochester, MN, USA
| | - Mrinal S Patnaik
- Division of Hematology and Oncology, Department of Medicine, Mayo Clinic, Rochester, MN, USA
| | - Kianoush B Kashani
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA.,Division of Nephrology and Hypertension, Department of Medicine, Mayo Clinic, Rochester, MN, USA
| | - Jacob C Jentzer
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA. .,Department of Cardiovascular Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA.
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8
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Campanile A, Castellani C, Santucci A, Annunziata R, Tutarini C, Reccia MR, Del Pinto M, Verdecchia P, Cavallini C. Predictors of in-hospital and long-term mortality in unselected patients admitted to a modern coronary care unit. J Cardiovasc Med (Hagerstown) 2019; 20:327-334. [PMID: 30865139 DOI: 10.2459/jcm.0000000000000785] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
AIMS Objective data on epidemiology, management and outcome of patients with acute cardiac illness are still scarce, and producing evidence-based guidelines remains an issue. In order to define the clinical characteristics and the potential predictors of in-hospital and long-term mortality, we performed a retrospective, observational study, in a tertiary cardiac centre in Italy. METHODS One thousand one hundred and sixty-five consecutive patients, admitted to our intensive cardiac care unit (ICCU) during the year 2016, were included in the study. The data were collected from the hospital discharge summary and the electronic chart records. RESULTS Global in-hospital mortality was 7.2%. Predictors of in-hospital mortality were age [odds ratio (OR): 2.0; P = 0.011], female sex (OR: 2.18; P = 0.003), cardiac arrest (OR: 12.21; P = 0.000), heart failure/cardiogenic shock (OR: 9.99; P = 0.000), sepsis/septic shock (OR: 5.54; P = 0.000), acute kidney injury (OR: 3.25; P = 0.021) and a primary diagnosis of acute heart failure or a condition other than acute heart failure and acute coronary syndrome. During a mean follow-up period of 17.4 ± 4.8 months, 96 all-cause deaths occurred in patients who were still alive at discharge. One-year mortality rate was 8.2%. Predictors of long-term mortality were age (hazard ratio: 1.08; P = 0.000), female sex (hazard ratio: 0.59; P = 0.022), comorbidity at least 3 (hazard ratio: 1,60; P = 0.047), acute kidney injury (hazard ratio: 3.15; P = 0.001), inotropic treatment (hazard ratio: 2.54; P = 0.002) and a primary diagnosis of acute heart failure. CONCLUSION In our Level-2 ICCU, predictors of in-hospital and long-term mortality are similar to those commonly found in a Level-3 ICU. These data strongly suggest that ICUs dealing with acute cardiovascular patients should be reorganized with a necessary upgrading of competences and resources for medical and nursing staff.
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Affiliation(s)
| | | | - Andrea Santucci
- Cardiology Department, Santa Maria della Misericordia Hospital
| | | | | | | | | | - Paolo Verdecchia
- 'Fondazione Umbra Cuore e Ipertensione-ONLUS', Cardiology Department, Santa Maria della Misericordia Hospital, Perugia, Italy
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9
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Yu C, Lixia Y, Ruiwei G, Yankun S, Jinshan Y. The Role of FAK in the Secretion of MMP9 after CD147 Stimulation in Macrophages. Int Heart J 2018; 59:394-398. [PMID: 29563383 DOI: 10.1536/ihj.17-221] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
To investigate whether focal adhesion kinase (FAK) can participate in the secretion of matrix metalloproteinase 9 (MMP9) after CD147 stimulation in THP-1 induced macrophages; thus, to explore the potential treatment perspectives for acute coronary syndrome (ACS).Phorbol-12-myristate-13-acetate (PMA) was used to induce THP-1 cells to differentiate into macrophages. To confirm the peak mRNA and protein expression of FAK and MMP9 after the stimulation of CD147, the macrophages were divided into 5 groups (0, 3, 6, 9, and 12 hours), with 0 hours group as control group. To investigate the role of FAK in the secretion of MMP9, with stimulation of CD147 for 9 hours, FAK inhibitor 14 was used to inhibit FAK Y397 phosphorylation. The mRNA and protein expressions were quantified by qRT-PCR and western blotting, respectively. (1) Relative mRNA expression of FAK and MMP9 were both significantly up-regulated (all P < 0.05) after stimulation of CD147, FAK peaked at 9 hours (3.908 ± 0.106 versus 1, P < 0.05), whereas MMP9 peaked at 6 hours (2.522 ± 0.062 versus 1, P < 0.05). (2) Relative protein expression of FAK, pFAK, and MMP9 were all significantly increased after CD147 stimulation (all P < 0.05), FAK (1.930 ± 0.024 versus 1, P < 0.05) and pFAK (1.737 ± 0.021 versus 1, P < 0.05) peaked at 9 hours, whereas MMP9 peaked at 6 hours (1.527 ± 0.033 versus 1, P < 0.05). (3) CD147 up-regulates FAK, pFAK, and MMP9 mRNA and protein expressions in a dose-dependent manner. (4) FAK inhibitor 14 significantly reduced the relative protein expression level of pFAK (0.077 ± 0.012 versus 1, P < 0.05) and MMP9 (0.133 ± 0.012) at 9 hours after CD147 stimulation.The results demonstrated that FAK Y397 phosphorylation was involved in the secretion of MMP9 after CD147 stimulation in macrophages and may play a role in the regulation of ACS.
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Affiliation(s)
- Chen Yu
- Department of Postgraduate, Third Military Medical University (Army Medical University).,Department of Cardiology, Kunming General Hospital of Chengdu Military Command
| | - Yang Lixia
- Department of Cardiology, Kunming General Hospital of Chengdu Military Command
| | - Guo Ruiwei
- Department of Cardiology, Kunming General Hospital of Chengdu Military Command
| | - Shi Yankun
- Department of Cardiology, Kunming General Hospital of Chengdu Military Command
| | - Ye Jinshan
- Department of Cardiology, Kunming General Hospital of Chengdu Military Command
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