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Sökning: L773:1748 2941

  • Resultat 1-7 av 7
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1.
  • Herlitz, Johan, 1949, et al. (författare)
  • The value of biochemical markers for risk stratification prior to hospital admission in acute chest pain.
  • 2008
  • Ingår i: Acute cardiac care. - : Informa Healthcare. - 1748-2941 .- 1748-295X. ; 10:4, s. 197-204
  • Tidskriftsartikel (refereegranskat)abstract
    • We describe the use of biochemical markers in the pre-hospital setting with regard to diagnostic accuracy for the detection of an acute myocardial infarction (AMI) and for prognosis in connection with acute chest pain. The sensitivity has been reported to be limited; blood sampling occurs very early and often prior to the release of biochemical markers into the circulation. The specificity was in some studies also limited, but this is more difficult to explain. New biochemical markers like human heart fatty acid binding protein (H-FACB) have shown improved diagnostic accuracy, in the pre-hospital setting, in one small pilot study compared with traditional biochemical markers like troponins, creatine kinase (CK-MB) and myoglobin. However, in a recent small study, the sensitivity for troponin I (when a low decision limit for myocardial damage was used), when analysed prior to hospital admission, was reported to be very high. The latter data need to be confirmed in larger studies and various biochemical markers reflecting various pathophysiological aspects of the disease need to be tested before the analysis of any marker can be recommended for use in the pre-hospital setting of a suspected AMI.
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2.
  • Palmerini, Elisabetta, et al. (författare)
  • Effects of levosimendan on heart failure in normotensive patients : does loading dose matter?
  • 2015
  • Ingår i: Acute Cardiac Care. - 1748-2941 .- 1748-295X. ; 17:1, s. 14-19
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Levosimendan is a calcium sensitizer and K(+)-ATP channel opener with inotropic and vasodilatatory effects irrespective of myocardial oxygen consumption, used for treatment of heart failure (HF). A loading dose is usually given by infusion for 12 h; however, profound lowering of blood pressure often disrupts or prolongs the infusion. The aim of this study was to assess clinical, biochemical and myocardial differences between different regimes of levosimendan therapy, with or without loading dose, and compared to standard therapy in heart failure.METHODS: Fifty-seven patients (mean age ± SD: 60.9 ± 9.3 years, 45 males) with HF, New York Heart Association (NYHA) III-IV, reduced left ventricular ejection fraction (LVEF) were included. Twenty patients (NB group) were given levosimendan without loading dose, 14 patients (B group) were given levosimendan with loading dose, and 23 patients (C group) were given standard therapy. Clinical, biochemical and echocardiographic characteristics at baseline and one week after treatment were evaluated.RESULTS: Groups were similar at baseline. After one week NHYA class (P < 0.001), NT pro-BNP (P < 0.001), LVEF (P = 0.045), E/A (P = 0.048) E/e' (P < 0.001), and PAPs (P < 0.001) decreased. DT (P = 0.011) and TAPSE (P = 0.035) increased in all groups.CONCLUSIONS: Levosimendan, as well as standard therapy, improves myocardial function and symptoms of HF, irrespective of the loading dose administration. Treatment options for patients with end-stage heart failure refractory to conventional medical therapy are limited. Inotropic drugs play an important role in heart failure (HF).
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3.
  • Yang, Dong, et al. (författare)
  • Differences in undergoing cardiac procedures within three months after first myocardial infarction by country of birth in women and men : a Swedish national cohort study
  • 2015
  • Ingår i: Acute Cardiac Care. - 1748-2941 .- 1748-295X. ; 17:1, s. 5-13
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVETo examine the relationship between country of birth and the utilization of coronary angiography, percutaneous coronary intervention (PCI) and coronary artery bypass graft (CABG) after a first-time myocardial infarction (MI).DESIGN, SETTING AND PATIENTS117,494 MI patients of all ages who were admitted to coronary care units between 2001 and 2009 in Sweden were followed-up for three months after admission.MAIN OUTCOME MEASURESUndergoing coronary angiography, PCI or CABG after first-time MI.RESULTSproportion of patients undergoing angiography and PCI increased whereas proportion of patients undergoing CABG also delay time for all three procedures decreased over the study period. The proportion of women undergoing any of the three procedures was markedly lower and delay time longer than those of men regardless of study period and migration background. Overall foreign-born first MI patients had higher rate of angiography (HR = 1.30, 95% CI: 1.27-1.33), PCI (HR = 1.27, 95% CI: 1.24-1.30) and CABG (HR = 1.21, 95% CI: 1.15-1.28) compared with Sweden born first MI patients. After controlling for potential confounding factors in multivariable models, the overall differences vanished for angiography and reduced markedly for PCI and CABG. However, multivariable stratified analysis by specific country of birth yielded higher rate of angiography among men born in Uganda (HR = 2.11, 95% CI: 1.00-4.43) and Peru (HR = 1.98, 95% CI: 1.07-3.68) and lower rate among men born in Croatia (HR = 0.71, 95% CI: 0.52-0.99) and women born in Thailand (HR = 0.49, 95% CI: 0.35-0.94). PCI adjusted rates were higher among women born in Palestine state (HR = 2.44, 95% CI: 1.15-5.16), Iraq (HR = 1.34, 95% CI: 1.04-1.74) and Poland (HR = 1.21, 95% CI: 1.02-1.44) and rate of CABG was higher among immigrants from some parts of Asia, including men born in Sri Lanka (HR = 3.19, 95% CI: 1.43-7.12), India (HR = 1.95, 95% CI: 1.21-3.14), Vietnam (HR = 2.65, 95% CI: 1.32-5.33), Palestine State (HR = 2.11, 95% CI: 1.06-4.24), and women born in Syria (HR = 2.36, 95% CI: 1.25-4.45), Iraq (HR = 1.74, 95% CI: 1.02-2.94), and Turkey (HR = 1.70, 95% CI: 1.03-2.79).CONCLUSIONSThe observed high rate of CABG for immigrants and particularly those born in some Asian countries was not explained by the potential confounding factors. A more severe coronary disease in this population might explain this high rate but needs further research. Awareness and subsequent intervention at earlier stage of coronary disease among immigrants could prolong their life and reduce the healthcare costs.
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4.
  • De Luca, L., et al. (författare)
  • Early pharmacological treatment of acute heart failure syndromes: A systematic review of clinical trials
  • 2007
  • Ingår i: Acute cardiac care. - 1748-2941. ; 9:1, s. 10-21
  • Tidskriftsartikel (refereegranskat)abstract
    • Context: Acute Heart Failure Syndromes (AHFS) is a common admission diagnosis associated with high mortality and hospital readmissions. Given the mixed results of recent clinical trials, the early management of AHFS remains controversial. Objective: To review the recent evidence regarding current and investigational therapies for the early management of AHFS. Data Sources: A systematic search of peer-reviewed publications was performed on MEDLINE and EMBASE from January 1990 to August 2006. The results of unpublished or ongoing trials were obtained from presentations at national and international meetings and pharmaceutical industry releases. Bibliographies from these references were also reviewed, as were additional articles identified by content experts. Study Selection and Data Extraction: Criteria used for study selection were controlled study design, relevance to clinicians and validity based on venue of publication and power analysis. Data Synthesis: Although all current intravenous therapies for the early management of AHFS appear to improve hemodynamics, this may not always translate into short-term clinical benefit. Conclusion: The results of the trials conducted to date in AHFS have generally been disappointing. There is, therefore, an unmet need for new therapeutic approaches for the early management of AHFS that may improve the short-term and long-term outcomes.
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5.
  • Nørgaard, Bjarne L, et al. (författare)
  • Risk prediction in acute coronary syndrome from serial in-hospital measurements of N-terminal pro-B-type natriuretic peptide.
  • 2008
  • Ingår i: Acute cardiac care. - 1748-2941. ; 10:3, s. 159-66
  • Tidskriftsartikel (refereegranskat)abstract
    • There is limited information about the in-hospital plasma profile of N-terminal pro-B-type natriuretic peptide (NT-proBNP) in patients with non-ST-elevation acute coronary syndrome (NSTACS) and furthermore, the prognostic influence of the timing of NT-proBNP measurements in NSTACS is unsettled. These subject matters are elucidated in this study composed of 455 patients with NSTACS (symptoms <24 h). NT-proBNP was measured at 0, 6, 12, 24, 36, 48, 72 and 96 h following admission. Any death was registered at follow-up (median: 2.3 years). The study demonstrated a monophasic profile of the plasma NT-proBNP values, reaching a maximum at 6 hours, and it showed an independent prognostic significance of NT-proBNP irrespective of the sampling time. Risk prediction by NT-proBNP was improved by combining the baseline measurement and one value taken between 24 and 96 h (at 48 h, P<0.001). No additional prognostic information was provided by including more than one late in-hospital NT-proBNP value. Conclusions: The in-hospital NT-proBNP measurements exhibit a monophasic profile in patients with NSTACS and these values provide independent prognostic information as regards mortality irrespective of the sampling time. Moreover, risk prediction of NT-proBNP is strengthened by combining the admission measurement with an additional value during the hospitalization.
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6.
  • Sparv, David, et al. (författare)
  • The analgesic effect of oxygen during percutaneous coronary intervention (the OXYPAIN Trial).
  • 2013
  • Ingår i: Acute Cardiac Care. - : Taylor & Francis. - 1748-2941. ; 15:3, s. 63-68
  • Tidskriftsartikel (refereegranskat)abstract
    • Abstract Introduction: Oxygen is considered to have analgesic effects, but the evidence is weak. Oxygen may be harmful to the ischemic myocardium. The aim was to investigate the analgesic effect of oxygen during percutaneous coronary intervention (PCI) and to evaluate cardiac injury. Material and methods: The OXYPAIN was a phase II randomized trial with a double blind design. 305 patients were randomized to receive oxygen or atmospheric air during PCI. The patients were asked to score chest pain by the Visual-Analog Scale (VAS). The use of analgesic agents and troponin-t was measured. Results: There was no significant difference in pain between the groups: oxygen: 2.0, [2.0-4.0], air: 2.0, [2.0-5.0] (median, interquartile range: 25-75%, P = 0.12). The median difference in score of VAS was [95% CI]: 0, [0-1.0]. The oxygen group received 0.44 ± 0.11 mg of morphine versus 0.46 ± 0.13, P = n.s. The peak value of troponin-t post-PCI was 38, [11-352] nmol/ml in the oxygen group and 61, [16-241] for patients treated with air, P = 0.46. Conclusions: The use of oxygen during PCI did not demonstrate any analgesic effect. There was no difference in myocardial injury measured with troponin-t or in the morphine dose. Our results do not support routine use of oxygen. (NCT01413841.).
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7.
  • Tubaro, M., et al. (författare)
  • Pre-hospital treatment of STEMI patients. A scientific statement of the working group acute cardiac care of the European society of cardiology
  • 2011
  • Ingår i: Acute Cardiac Care. - : Informa Healthcare. - 1748-2941. ; 13:2, s. 56-67
  • Tidskriftsartikel (refereegranskat)abstract
    • In ST-elevation myocardial infarction (STEMI) the pre-hospital phase is the most critical, as the administration of the most appropriate treatment in a timely manner is instrumental for mortality reduction. STEMI systems of care based on networks of medical institutions connected by an efficient emergency medical service are pivotal. The first steps are devoted to minimize the patients delay in seeking care, rapidly dispatch a properly staffed and equipped ambulance to make the diagnosis on scene, deliver initial drug therapy and transport the patient to the most appropriate (not necessarily the closest) cardiac facility. Primary PCI is the treatment of choice, but thrombolysis followed by coronary angiography and possibly PCI is a valid alternative, according to patients baseline risk, time from symptoms onset and primary PCI-related delay. Paramedics and nurses have an important role in pre-hospital STEMI care and their empowerment is essential to increase the eff ectiveness of the system. Strong cooperation between cardiologists and emergency medicine doctors is mandatory for optimal pre-hospital STEMI care. Scientific societies have an important role in guideline implementation as well as in developing quality indicators and performance measures; health care professionals must overcome existing barriers to optimal care together with political and administrative decision makers.
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