| 41. |
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| 42. |
- Herlitz, Johan, 1949, et al.
(författare)
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Experience with the use of automated external defibrillators in out of hospital cardiac arrest.
- 1998
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Ingår i: Resuscitation. - 0300-9572. ; 37:1, s. 3-7
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Tidskriftsartikel (refereegranskat)abstract
- To describe the sequences of arrhythmias, number of shocks delivered and the number of failures in a consecutive series of patients with out-of-hospital cardiac arrest attended by our emergency medical service (EMS) and in whom cardio-pulmonary resuscitation (CPR) was initiated and in whom automated external defibrillators (AEDs) were used.
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| 43. |
- Herlitz, Johan, et al.
(författare)
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Experiences from treatment of out-of-hospital cardiac arrest during 17 years in Göteborg
- 2000
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Ingår i: European Heart Journal. - : Oxford University Press. - 0195-668X .- 1522-9645. ; 21:15, s. 1251-1258
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Tidskriftsartikel (refereegranskat)abstract
- AIMS: To describe changes in different factors at resuscitation and survival in a 17-year survey of patients suffering from out-of-hospital cardiac arrest. METHOD: The investigation was carried out in the community of Göteborg with 450 000 inhabitants during 1981-1997 on all patients suffering out-of-hospital cardiac arrest in whom resuscitation was attempted. RESULTS: The number of cases per year, the proportion of witnessed arrests and the proportion of arrests of cardiac aetiology remained similar over time. There was an increase in median age from 68 to 73 years (P<0.0001), in the proportion of females from 27% to 33% (P=0.035) and in the proportion of patients receiving bystander cardiopulmonary resuscitation from 14% to 28% (P<0.0001) with time. There was a shortening of the median interval from collapse until defibrillation from 9 min to 6 min (P<0.0001) over time but a decrease in the occurrence of ventricular fibrillation as the initially recorded arrhythmia from 39% to 32% (P=0.022). There was an increase in the proportion of patients having a bystander witnessed cardiac arrest of cardiac aetiology being hospitalized alive from 32% to 45% (P<0. 0001 for change over time). The proportion of patients discharged alive from hospital increased from 16% to 29% until 1993, but thereafter decreased to 13% in 1997 (P=0.002 for change over time). CONCLUSION: In a survey covering 17 years of resuscitation of out-of-hospital cardiac arrest patients we found that the occurrence of ventricular fibrillation as the initially recorded arrhythmia decreased. There was an increase in age, in the proportion of females and in the use of bystander cardiopulmonary resuscitation. The interval between collapse and defibrillation was shortened. Survival changed over time with an increase until 1993 but with a decrease thereafter.
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| 44. |
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| 45. |
- Hollenberg, J, et al.
(författare)
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replik till Bengt Fagrell : Fler hjärtstartare behövs i samhället
- 2013
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Ingår i: Läkartidningen. - : Läkartidningen Förlag AB. - 0023-7205 .- 1652-7518. ; 110:19-20, s. 959-
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Tidskriftsartikel (populärvet., debatt m.m.)abstract
- Fler hjärtstartare behövs, men konceptet behöver utvecklas. Vi måste dessutom finna nya sätt att mobilisera hjärtstartare till platsen för hjärtstoppet.
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| 46. |
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| 47. |
- Holmen, J., et al.
(författare)
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Shortening Ambulance Response Time Increases Survival in Out-of-Hospital Cardiac Arrest
- 2020
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Ingår i: Journal of the American Heart Association. - : Ovid Technologies (Wolters Kluwer Health). - 2047-9980. ; 9:21
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Tidskriftsartikel (refereegranskat)abstract
- Background The ambulance response time in out-of-hospital cardiac arrest (OHCA) has doubled over the past 30 years in Sweden. At the same time, the chances of surviving an OHCA have increased substantially. A correct understanding of the effect of ambulance response time on the outcome after OHCA is fundamental for further advancement in cardiac arrest care. Methods and Results We used data from the SRCR (Swedish Registry of Cardiopulmonary Resuscitation) to determine the effect of ambulance response time on 30-day survival after OHCA. We included 20 420 cases of OHCA occurring in Sweden between 2008 and 2017. Survival to 30 days was our primary outcome. Stratification and multiple logistic regression were used to control for confounding variables. In a model adjusted for age, sex, calendar year, and place of collapse, survival to 30 days is presented for 4 different groups of emergency medical services (EMS)-crew response time: 0 to 6 minutes, 7 to 9 minutes, 10 to 15 minutes, and >15 minutes. Survival to 30 days after a witnessed OHCA decreased as ambulance response time increased. For EMS response times of >10 minutes, the overall survival among those receiving cardiopulmonary resuscitation before EMS arrival was slightly higher than survival for the sub-group of patients treated with compressions-only cardiopulmonary resuscitation. Conclusions Survival to 30 days after a witnessed OHCA decreases as ambulance response times increase. This correlation was seen independently of initial rhythm and whether cardiopulmonary resuscitation was performed before EMS-crew arrival. Shortening EMS response times is likely to be a fast and effective way of increasing survival in OHCA.
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| 48. |
- Holmgren, Christina M, et al.
(författare)
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Changes in Medication Preceding Out-of-hospital Cardiac Arrest Where Resuscitation Was Attempted
- 2014
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Ingår i: Journal of Cardiovascular Pharmacology. - : Lippincott Williams & Wilkins. - 0160-2446 .- 1533-4023. ; 63:6, s. 497-503
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Tidskriftsartikel (refereegranskat)abstract
- Objective: To describe recent changes in medication preceding out-of-hospital cardiac arrest (OHCA) where resuscitation was attempted. Methods: OHCA victims were identified by the Swedish Cardiac Arrest Register and linked by means of their unique 10-digit personal identification numbers to the Prescribed Drug Register. We identified new claimed prescriptions during a 6-month period before the OHCA compared with those claimed in the period 12 to 18 months before. The 7-digit Anatomical Therapeutical Chemical codes of individual drugs were used. The study period was November 2007-January 2011. Results: OHCA victims with drugs were (1) older than those who did not claim any drugs in any period (70 +/- 16 years vs. 54 +/- 22 years, P < 0.001), (2) more often women (34% vs. 20%, P < 0.001), and (3) had more often a presumed cardiac etiology (67% vs. 54%, P < 0.001). The OHCA victims were less likely to have ventricular tachycardia/ventricular fibrillation as the first recorded ;rhythm (26% vs. 33%, P < 0.001) or to survive 1 month (9% vs. 17%, P < 0.0001). New prescriptions were claimed by 5122 (71%) of 7243 OHCA victims. The most frequently claimed new drugs were paracetamol (acetaminophen) 10.3%, furosemide 7.8%, and omeprazole 7.6%. Of drugs known or supposed to cause QT prolongation, ciprofloxacin was the most frequent (3.4%) altogether; 16% had a new claimed prescription of a drug included in the "qtdrugs.org" lists. Conclusions: Most OHCA victims had new drugs prescribed within 6 months before the event but most often intended for diseases other than cardiac. No claims can be made as to the causality.
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| 49. |
- Jánosi, A, et al.
(författare)
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Metoprolol CR/XL in post-myocardial infarction patients with chronic heart failure. Experiences from MERIT-HF
- 2003
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Ingår i: American Heart Journal. - : Mosby, Inc.. - 0002-8703 .- 1097-6744. ; 146:4, s. 721-728
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Tidskriftsartikel (refereegranskat)abstract
- Abstract Background The benefit of β-blockers post-myocardial infarction (MI) was established in the late 1970s. Major advances in the treatment of MI have since occurred. However, patients with chronic heart failure (CHF) were excluded from those trials. The purpose of this study was to assess the effect of β-blockers in post-MI patients with CHF receiving contemporary management. Methods This was a prespecified subgroup analysis of a double-blind, randomized trial: the Metoprolol CR/XL Randomized Intervention Trial in Heart Failure (MERIT-HF). Patients with CHF in New York Heart Association class II to IV with an ejection fraction (EF) ≤0.40 and a history of being hospitalized for an acute MI (n = 1926) were randomized to metoprolol succinate controlled release/extended release (CR/XL) versus placebo. Mean EF was 0.28, and the mean follow-up was 1 year. Results Metoprolol CR/XL reduced total mortality by 40% (95% CI 0.20–0.55, P = .0004), and sudden death by 50% (95% CI 0.26–0.66, P = .0004). The combined end point of all-cause mortality/hospitalization for worsening CHF was reduced by 31% (95% CI 0.16–0.44, P < .0001), and cardiac death/nonfatal acute MI by 45% (95% CI 0.26–0.58, P < .0001). A post-hoc analysis showed that the outcome in patients with earlier revascularization (44%) and outcome in those with more severe CHF (20%) was similar to the entire post-MI population. Conclusions In post-MI patients with symptomatic CHF, β-blockade continues to exert a profound reduction in mortality and morbidity in the presence of contemporary management that includes early and late revascularization, angiotensin-converting enzyme inhibitors, aspirin, and statins.
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| 50. |
- Jonsson, M., et al.
(författare)
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Survival after out-of-hospital cardiac arrest is associated with area-level socioeconomic status
- 2019
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Ingår i: Heart. - : BMJ. - 1355-6037 .- 1468-201X. ; 105:8, s. 632-638
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Tidskriftsartikel (refereegranskat)abstract
- Objective Out-of-hospital cardiac arrest (OHCA) is a major cause of death in the Western world. In this study we aimed to investigate the relationship between area-level socioeconomic status (SES) and 30-day survival after OHCA. We hypothesised that high SES at an area level is associated with an improved chance of 30-day survival. Methods Patients with OHCA in Stockholm County between 1 January 2006 and 31 December 2015 were analysed retrospectively. To quantify area-level SES, we linked the patient's home address to 250 x 250/1000 x 1000 meter grids with aggregated information about income and education. We constructed multivariable logistic regression models in which area-level SES measures were adjusted for age, sex, emergency medical services response time, witnessed status, initial rhythm, aetiology, location and year of cardiac arrest. Results We included 7431 OHCAs. There was significantly greater 30-day survival (p=0.003) in areas with a high proportion of university-educated people. No statistically significant association was seen between median disposable income and 30-day survival. The adjusted OR for 30-day survival among patients in the highest educational quintile was 1.70 (95% CI 1.15 to 2.51) compared with patients in the lowest educational quintile. We found no significant interaction for sex. Positive trend with increasing area-level education was seen in both men and women but the trend was only statistically significant among men (p=0.012) Conclusions Survival to 30 days after OHCA is positively associated with the average educational level of the residential area. Area-level income does not independently predict 30-day survival after OHCA.
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