| 1. |
- Herlitz, Johan, 1949, et al.
(författare)
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Factors of importance for patients' decision time in acute coronary syndrome
- 2009
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Ingår i: International Journal of Cardiology. - 1874-1754. ; 141:3, s. 236-242
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: Not much is known about the patients' decision time in acute coronary syndrome (ACS). The aim of the survey was therefore to describe patients' decision time and factors associated with this parameter in ACS. METHODS: We conducted a national survey comprising intensive cardiac care units at 11 hospitals in Sweden in which patients with ACS diagnosis and symptoms onset outside hospital participated. Main outcome measures were patients' decision time and factors associated with patients' decision time. RESULTS: In all, 1939 patients took part in the survey. The major factors associated with a shorter patient decision time were: 1) ST-elevation ACS, 2) associated symptoms such as vertigo or near syncope, 3) interpreting the symptoms as cardiac in origin, 4) pain appearing suddenly and reaching a maximum within minutes, 5) having knowledge of the importance of quickly seeking medical care and 6) experiencing the symptoms as frightening. The following aspects of the disease were associated with a longer decision time: 1) pain was localised in the back and 2) symptom onset at home when alone. CONCLUSION: A number of factors, including the type of ACS, the type and localisation of symptoms, the place where symptoms occurred, patients' interpretation of symptoms and knowledge were all associated with patients' decision time in connection with ACS.
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| 2. |
- Herlitz, Johan, 1949, et al.
(författare)
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Five-year mortality in patients with acute chest pain in relation to smoking habits.
- 2000
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Ingår i: Clinical cardiology. - 0160-9289. ; 23:2, s. 84-90
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Tidskriftsartikel (refereegranskat)abstract
- Smoking is one of the major risk indicators for development of coronary artery disease, and smokers develop acute myocardial infarction (AMI) approximately a decade earlier than nonsmokers. In smokers with established coronary artery disease, quitting smoking has been associated with a more favorable prognosis. However, most of these studies comprised younger patients, the majority of whom were males.
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| 3. |
- Axelsson, Åsa B., 1955, et al.
(författare)
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Factors surrounding cardiopulmonary resuscitation influencing bystanders' psychological reactions.
- 1998
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Ingår i: Resuscitation. - : Elsevier Ireland Ltd. - 0300-9572 .- 1873-1570. ; 37:1, s. 13-20
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Tidskriftsartikel (refereegranskat)abstract
- The incidence of Sweden's out-of-hospital cardiac arrests averages 10000 annually. Each year bystanders initiate cardiopulmonary resuscitation (CPR) approximately 2000 times prior to arrival of emergency medical service (EMS). The aim of this study was to identify factors influencing the bystanders psychological reactions to performing CPR. We mailed a questionnaire to all bystanders who reported performing CPR to the CPR Centre of Sweden from autumn 1992 to 1995. The study included 544 bystander reports. Nine factors were found to be associated with bystanders experience in a univariate analysis. Among these were victim outcome (p < 0.0001), CPR duration (p = 0.0009) and their experience of the attitude of the EMS personnel (p = 0.004). In a multivariate logistic regression model, lack of debriefing following the intervention (p = 0.0001) and fatal victim outcome (p = 0.03) were independent predictors of a negative bystander psychological reaction. The importance of having someone to talk to following an intervention and the EMS personnel concern for the rescuer should be emphasised. The goal should be that critical incident debriefing is available to every bystander following his or her CPR attempt.
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| 4. |
- Bergfeldt, Lennart, 1950, et al.
(författare)
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Analysis of initial rhythm, witnessed status and delay to treatment among survivors of out-of-hospital cardiac arrest in Sweden.
- 2010
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Ingår i: Heart. - : BMJ Group. - 1355-6037 .- 1468-201X. ; 96:22, s. 1826-1830
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Tidskriftsartikel (refereegranskat)abstract
- Abstract Background The characteristics of patients who survive out-of-hospital cardiac arrest (OHCA) are incompletely known. The characteristics of survivors of OHCA during a period of 16 years in Sweden are described. Methods All the patients included in the Swedish Cardiac Arrest Registry between 1992 and 2007 in whom cardiopulmonary resuscitation was attempted and who were alive after 1 month were included in the survey. Results In all, 2432 survivors were registered. Information on initial rhythm at their first ECG recording was missing in 11%. Of the remaining 2165 survivors, 80% had a shockable rhythm and 20% had a non-shockable rhythm. Only a minority with a shockable rhythm among the bystander-witnessed cases were defibrillated within 5 min after cardiac arrest. This proportion did not change during the entry period. Among survivors found in a non-shockable rhythm, the majority were bystander-witnessed cases and a few had a delay from cardiac arrest to ambulance arrival of <5 min. Of all survivors, more women (27%) than men (18%) were found in a non-shockable rhythm (p<0.0001). During the 16 years in which the register was used for this study, the proportion of survivors found in a shockable rhythm did not change significantly. The cerebral performance categories score indicated better cerebral function among patients found in a shockable rhythm than in those found in a non-shockable rhythm. Conclusion Among survivors of OHCA, a substantial proportion was found in a non-shockable rhythm and this occurred more frequently in women than in men. The proportion of survivors found in a shockable rhythm has not changed markedly over time. Survivors found in a shockable rhythm had a better cerebral performance than survivors found in a non-shockable rhythm. The proportion of survivors who were bystander-witnessed and found in a shockable rhythm and defibrillated early is still remarkably low.
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| 5. |
- Bylow, H., et al.
(författare)
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Learning Outcome After Different Combinations of Seven Learning Activities in Basic Life Support on Laypersons in Workplaces : a Cluster Randomised, Controlled Trial
- 2021
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Ingår i: Medical Science Educator. - : Springer Science and Business Media LLC. - 2156-8650. ; 31:1, s. 161-173
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Tidskriftsartikel (refereegranskat)abstract
- Background: The goal for laypersons after training in basic life support (BLS) is to act effectively in an out-of-hospital cardiac arrest situation. However, it is still unclear whether BLS training targeting laypersons at workplaces is optimal or whether other effective learning activities are possible.Aim: The primary aim was to evaluate whether there were other modes of BLS training that improved learning outcome as compared with a control group, i.e. standard BLS training, six months after training, and secondarily directly after training.Methods: In this multi-arm trial, lay participants (n = 2623) from workplaces were cluster randomised into 16 different BLS interventions, of which one, instructor-led and film-based BLS training, was classified as control and standard, with which the other 15 were compared. The learning outcome was the total score for practical skills in BLS calculated using the modified Cardiff Test.Results: Four different training modes showed a significantly higher total score compared with standard (mean difference 2.3–2.9). The highest score was for the BLS intervention including a preparatory web-based education, instructor-led training, film-based instructions, reflective questions and a chest compression feedback device (95% CI for difference 0.9–5.0), 6 months after training.Conclusion: BLS training adding several different combinations of a preparatory web-based education, reflective questions and chest compression feedback to instructor-led training and film-based instructions obtained higher modified Cardiff Test total scores 6 months after training compared with standard BLS training alone. The differences were small in magnitude and the clinical relevance of our findings needs to be further explored.Trial Registration: ClinicalTrials.gov Identifier: NCT03618888. Registered August 07, 2018—Retrospectively registered, https://clinicaltrials.gov/ct2/show/NCT03618888 © 2020, The Author(s).
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| 6. |
- Graves, J R, et al.
(författare)
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Survivors of out of hospital cardiac arrest: their prognosis, longevity and functional status.
- 1997
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Ingår i: Resuscitation. - : Elsevier Ireland Ltd. - 0300-9572 .- 1873-1570. ; 35:2, s. 117-21
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Tidskriftsartikel (refereegranskat)abstract
- This paper reports, consistent with Utstein Style definitions, 13 years experience observing out-of-hospital cardiac arrest survivors' prognosis, longevity and functional status. We report for all patients, available outcome information for out-of-hospital cardiac arrest survivors in Göteborg Sweden between 1980 and 1993. Patients were followed for at least 1 year and some for over 14 years. From 1980 to 1993 Göteborg EMS treated 3754 out-of-hospital cardiac arrests. 9% (n = 324) were discharged from the hospital alive. Survivors' median age was 67 and 21% (n = 67) were women. Mortality rate was: 21% (n = 61) at 1 year; 56% (n = 78) by 5 years; and 82% (n = 32) by 10 years following the arrest. During the first 3 years, 16% (n = 46) experienced another cardiac arrest, 19% (n = 53) had an acute myocardial infraction and a total of 81% (n = 232) were rehospitalized for various conditions. 14% (n = 40) returned to previous employment, and 74% (n = 229) had retired before their arrest occurred. Cerebral performance categories (CPC) scores were: At hospital discharge N = 324; Data available for 320-1 = 53% (n = 171), 2 = 21% (n = 66), 3 = 24% (n = 77), 4 = 2% (n = 6). One year post arrest N = 263; Data available for 212-1 = 73% (n = 156), 2 = 9% (n = 18), 3 = 17% (n = 36), 4 = 1% (n = 2). Overall, 21% (n = 61) of cardiac arrest survivors died during the first year, and an additional 16% (n = 46) experienced another arrest. 73% of those patients who were still alive after 1 year returned to pre-arrest function.
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| 7. |
- 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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| 8. |
- Herlitz, Johan, 1949, et al.
(författare)
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Long-term survival after development of acute myocardial infarction has improved after a more widespread use of thrombolysis and aspirin.
- 1999
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Ingår i: Cardiology. - : S. Karger AG. - 0008-6312 .- 1421-9751. ; 91:4, s. 250-5
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Tidskriftsartikel (refereegranskat)abstract
- We describe the mortality during the subsequent 5 years after development of acute myocardial infarction prior to and after the introduction of a more widespread use of thrombolytic agents and aspirin in the community of Göteborg. During period I, 4% received thrombolysis as compared with 32% during period II (p < 0.0001). The corresponding figures for prescription of aspirin at discharge were 14 and 84%, respectively (p < 0.0001). The overall 5-year mortality was 48% during period I and 46% during period II (p = 0.09). However, the age-adjusted mortality during period II was significantly reduced (risk ratio 0.86; 95% confidence interval 0.78-0.95; p = 0. 004). There was no significant interaction between improvement in survival and sex or any other parameter reflecting patients' clinical history.
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