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  • Svensson, L, et al. (författare)
  • Implementation of prehospital thrombolysis in Sweden: components of delay until delivery of treatment and examination of treatment feasibility.
  • 2003
  • Ingår i: International journal of cardiology. - 0167-5273. ; 88:2-3, s. 247-56
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: To evaluate the feasibility of prehospital thrombolysis in Sweden in terms of safety and to examine the various components of the delay between onset of symptoms and start of treatment. SETTING: A total of 16 hospitals in Sweden in both urban and less populated areas and the associated ambulance organisations. DESIGN: Prospective evaluation of patients with an ST-elevation infarction treated with reteplase. An ECG was recorded and transmitted to hospital. The ambulances were staffed by a physician in 1% of cases, a nurse in 67% and a staff nurse in 32%. RESULTS: Of the 148 patients who received treatment prior to hospital admission, six (4%) had a cardiac arrest prior to hospital admission and two (1%) died prior to arrival at hospital. One patient was given treatment despite an exclusion criterion (previous stroke) and died on the 1st day in hospital due to a cerebral haemorrhage. The overall 30-day mortality was 7.1% and 1-year mortality 9.8%. Treatment was initiated within 2 h after the onset of symptoms in 53% of patients and within 1 h in 17% of patients. The median interval between the arrival of the ambulance and sending an ECG was 13 min and the median interval between sending an ECG and the start of thrombolysis was 18 min. The delay was similar regardless of ambulance staff. CONCLUSION: Implementation of prehospital thrombolysis on a national basis in Sweden appears to be safe. More than half the patients can be given treatment less than 2 h after the onset of symptoms. There is potential for reducing this time still further.
  • Milovanovic, Micha, 1966-, et al. (författare)
  • Letter: Atrial fibrillation and platelet reactivity in International Journal of Cardiology(ISSN 0167-5273)(EISSN 1874-1754)
  • 2010
  • Ingår i: International Journal of Cardiology. - Ireland : Elsevier. - 0167-5273. ; 145:2, s. 357-358
  • Tidskriftsartikel (övrigt vetenskapligt)abstract
    • BACKGROUND: The impact of atrial fibrillation (AF) upon platelet reactivity has not been investigated.METHODS: Subjects were 33 individuals with AF who consented to elective electrical cardioversion (ECV) immediately before ECV determination of surface-bound fibrinogen after stimulation i.e. platelet reactivity was carried out. A flow cytometer was employed. ADP (1.7 and 8.5mumol/L) and a thrombin receptor activating peptide (54 and 74mumol/L) were used as agonists. The analyses were repeated after 26+/-8(SD) months.RESULTS: Compared to day 1 subjects with AF (n=18) had a trend towards lower platelet reactivity at study end. It reached significance when using 1.7mumol/L ADP. In contrast, after 26+/-8(SD) months sinus rhythm (SR) (n=15) was associated with significant lower reactivity with all agonists.CONCLUSION: After 26+/-8(SD) months patients returning with AF had higher platelet reactivity than those who remained with SR.
  • Brand, Björn, et al. (författare)
  • Prognostication and risk stratification by assessment of left atrioventricular plane displacement in patients with myocardial infarction.
  • 2002
  • Ingår i: International Journal of Cardiology. - Elsevier. - 0167-5273. ; 83:1, s. 35-41
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Mean left atrioventricular plane displacement is strongly related to prognosis in patients with heart failure. We aimed to examine its value for prognostication and risk stratification in patients hospitalised for acute myocardial infarction. METHODS AND RESULTS: Left atrioventricular plane displacement was assessed by echocardiography in 271 consecutive patients with acute myocardial infarction. Mean prospective follow-up was 628 days. Atrioventricular plane displacement was readily assessed in all patients and was significantly lower in patients who died (n=41, 15.1%) compared to the survivors: 8.2(5.6) v. 10.0(5.5) mm, P<0.0001. Overall mortality was 31.3% in the lowest quartile with regard to atrioventricular plane displacement (<8.00 mm) and 10.1% in the combined upper three quartiles. Thus, the hazard ratio for an atrioventricular plane displacement <8.0 mm compared to 8 mm or more was 3.1, P=0.0001. The combined mortality/heart failure hospitalisation incidence was 43.8% in the lowest and 14.6% in the combined upper three quartiles: Risk ratio 3.0, P<0.0001. In multivariate analysis, including age and history of atrial fibrillation, left atrioventricular plane displacement was an independent prognostic marker. CONCLUSION: In post-myocardial infarction patients, echocardiographic assessment of atrioventricular plane displacement showed a strong, independent prognostic value. Determination of left atrioventricular plane displacement can be readily performed in virtually all patients, and may in clinical practice facilitate identification of high-risk patients.
  • Bukachi, Frederick, et al. (författare)
  • Clinical outcome of coronary angioplasty in patients with ischaemic cardiomyopathy
  • 2003
  • Ingår i: International Journal of Cardiology. - 0167-5273. ; 88:2-3, s. 167-174
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: To assess the clinical outcome of successful percutaneous transluminal coronary angioplasty (PTCA) in patients with poor ventricular function. METHODS: Analysis of angiographic, echocardiographic and clinical records of patients with severe LV dysfunction who underwent PTCA from January 1, 1995 to December 31, 1997 was undertaken. Forty-one patients aged 63+/-10 years, 36 men, all with significant coronary artery disease and impaired LV function (fractional shortening, FS&lt;or=20%) were identified. Patients' data before and after angioplasty were analyzed. RESULTS: Post PTCA: angiographic success was 95.2%. Major complications occurred in 19.5% and hospital mortality was 2.7%. At 6 months after PTCA:LV fractional shortening (FS) increased from 15.9+/-3.4% to 19.6+/-6.6%, P=0.02 and consequently cardiac output from 4.28+/-0.98 to 5.34+/-1.77 l/min, P&lt;0.01. Change in at least one class of angina and cardiac functional status was observed in 46% of patients, P&lt;0.001, and this was maintained to the end of the year. After 12 months follow-up: restenosis occurred in 10.8%; mortality was 5.4%; event-free and actuarial survivals were 62.3% and 91.9%, respectively. CONCLUSIONS: In patients with severe LV dysfunction, continued symptomatic improvement can be achieved with successful coronary angioplasty. This is associated with significant recovery of LV systolic function and cardiac output. In order to minimize procedure-related complications, careful patient selection should be considered.
  • Dellborg, M, et al. (författare)
  • Electrocardiographic assessment of infarct size : Comparison between QRS scoring of 12-lead electrocardiography and dynamic vectorcardiography
  • 1993
  • Ingår i: International Journal of Cardiology. - Elsevier Ireland Ltd. - 0167-5273. ; 40:2, s. 167-172
  • Tidskriftsartikel (refereegranskat)abstract
    • Myocardial infarct size is one of the most important predictors of prognosis in patients suffering an acute myocardial infarction. It can be assessed by enzymatic and electrocardiographic methods. The present report compares dynamic vectorcardiographic monitoring, serial plasma enzyme activity measurements and QRS scoring according to Palmeri as techniques for infarct size estimation. We report the results from 74 patients with acute myocardial infarction, who participated in a randomized trial of treatment with alteplase. A good correlation was found between myocardial infarct size by estimation from enzymatic measurement and from dynamic vectorcardiography. Dynamic vectorcardiography correlated more closely with enzymatically estimated infarct size in patients with Q-wave infarction, regardless of infarct location, than did QRS scoring of the conventional 12-lead electrocardiogram. Furthermore, dynamic vectorcardiography requires no time-consuming analysis and can be used for on-line monitoring of patients with ongoing infarction to estimate the size of an acute infarction while it is developing.
  • Herlitz, Johan, et al. (författare)
  • A description of the characteristics and outcome of patients hospitalized for acute chest pain in relation to whether they were admitted to the coronary care unit or not in the thrombolytic era.
  • 2002
  • Ingår i: International journal of cardiology. - 0167-5273. ; 82:3, s. 279-87
  • Tidskriftsartikel (refereegranskat)abstract
    • bjectives: To describe the characteristics and outcome of patients hospitalized for acute chest pain in relation to whether they were admitted to the coronary care unit (CCU) or not. Design: Prospective observational study with a follow-up of 2 years. Setting: Sahlgrenska University Hospital in Göteborg, Sweden. Subjects: All patients hospitalized due to acute chest pain during 6 months. Main outcome measures: Mortality, use of medical resources, complications and previous history. Results: In all 1.592 patients were admitted to hospital for chest pain, of whom 1.136 (71%) were not directly admitted to the CCU. These patients differed from those directly admitted to the CCU, being older, including more women, having a higher prevalence of known congestive heart failure and a lower degree of initial suspicion of acute myocardial infarction (AMI). Among all patients with confirmed AMI only 58% were directly admitted to CCU. Overall, the occurrence of complications and the use of medical resources were less frequent in the patients not admitted to the CCU. The mortality during the subsequent 2 years was 16.8% for patients not admitted to the CCU and 18.5% for patients admitted to the CCU. When adjusting for various factors at baseline, patients admitted to the CCU had a relative risk of death during 2 years of follow-up being 1.23 0.87–1.73 (P=0.24) as compared with those not admitted to the CCU. Conclusion: In a Swedish university hospital, more than two thirds of patients hospitalized for acute chest pain were not directly admitted to the CCU. They differed from those admitted to the CCU in several aspects. However, their unadjusted and adjusted mortality during the subsequent 2 years did not significantly differ from those admitted to CCU.
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