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Träfflista för sökning "WFRF:(Herlitz Johan) ;pers:(Karlsson T)"

Sökning: WFRF:(Herlitz Johan) > Karlsson T

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1.
  • Adielsson, A, et al. (författare)
  • Increase in survival and bystander CPR in out-of-hospital shockable arrhythmia : bystander CPR and female gender are predictors of improved outcome. Experiences from Sweden in an 18-year perspective
  • 2011
  • Ingår i: Heart. - : B M J Group. - 1355-6037 .- 1468-201X. ; 97:17, s. 1391-1396
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives In a national perspective, to describe survival among patients found in ventricular fibrillation or pulseless ventricular tachycardia witnessed by a bystander and with a presumed cardiac aetiology and answer two principal questions: (1) what are the changes over time? and (2) which are the factors of importance? Design Observational register study. Setting Sweden. Patients All patients included in the Swedish Out of Hospital Cardiac Arrest Register between 1 January 1990 and 31 December 2009 who were found in bystander-witnessed ventricular fibrillation with a presumed cardiac aetiology. Interventions Bystander cardiopulmonary resuscitation (CPR) and defibrillation. Main outcome measures Survival to 1 month. Results In all, 7187 patients fulfilled the set criteria. Age, place of out-of-hospital cardiac arrest (OHCA) and gender did not change. Bystander CPR increased from 46% to 73%; 95% CI for OR 1.060 to 1.081 per year. The median delay from collapse to defibrillation increased from 12 min to 14 min (p for trend 0.0004). Early survival increased from 28% to 45% (95% CI 1.044 to 1.065) and survival to 1 month increased from 12% to 23% (95% CI 1.058 to 1.086). Strong predictors of early and late survival were a short interval from collapse to defibrillation, bystander CPR, female gender and OHCA outside the home. Conclusion In a long-term perspective in Sweden, survival to 1 month after ventricular fibrillation almost doubled. This was associated with a marked increase in bystander CPR. Strong predictors of outcome were a short delay to defibrillation, bystander CPR, female gender and place of collapse.
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  • Bengtsson, A, et al. (författare)
  • The appropriateness of performing coronary angiography and coronary artery revascularization in a Swedish population
  • 1994
  • Ingår i: Journal of the American Medical Association (JAMA). - : American Medical Association. - 0098-7484 .- 1538-3598. ; 271:16, s. 1260-1265
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective. —To evaluate the appropriateness of performing coronary angiography and revascularization in a Swedish population. Design. —Prospective population study of questionnaires and medical records. Setting. —All the hospitals in southwestern Sweden that perform coronary angiography and revascularization. Patients. —Random sample of 831 patients (with chronic stable angina) on the waiting list for coronary angiography or revascularization in southwestern Sweden in September 1990. Main Outcome Measure. —Percentage of patients referred for coronary angiography or revascularization for appropriate, uncertain, or inappropriate indications. Results. —Of the patients referred for angiography, 89% were classified as appropriate, 9% as uncertain, and 2% as inappropriate. The percentages are similar for patients referred for coronary artery bypass graft surgery and for angioplasty (91% and 86%, respectively, classified as appropriate). The majority of patients had chest pain rated as Canadian Cardiovascular Society classes II through IV (93%), despite maximum anti-ischemic therapy in 90% of these patients. Conclusions. —Few patients were referred for coronary angiography or revascularization for inappropriate or uncertain indications. The percentage of these patients who are from southwestern Sweden is similar to the percentage recently reported from New York State.
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  • Bengtsson, A, et al. (författare)
  • The epidemiology of a coronary waiting list. A description of all patients
  • 1994
  • Ingår i: Journal of Internal Medicine. - : Wiley-Blackwell Publishing Ltd.. - 0954-6820 .- 1365-2796. ; 235:3, s. 263-269
  • Tidskriftsartikel (refereegranskat)abstract
    • Keywords: cardiac symptoms; chest pain; coronary revascularization; delay; ischaemic heart disease; nervous reactions; waiting list Abstract. Objectives. To describe the characteristics and the severity of symptoms amongst patients on the waiting list for possible coronary revascularization. Design. All the patients were sent a postal questionnaire for symptom evaluation. Setting. All hospitals in western Sweden. Subjects. All patients in western Sweden on the waiting list in September 1990, who had been referred for coronary angiography or revascularization (n = 904) and a sex- and age-matched reference group (n = 809). Results. More than half of the patients had daily attacks of chest pain, whereas 16% reported less than one attack per week or no pain at all. However, other symptoms such as dyspnoea, tachycardia and nervous reactions were also common and 25% of all patients used sedatives. A long waiting time for a given procedure was not associated with more pain but with more nervous symptoms such as restlessness and insomnia (P < 0.0001) and greater use of sedatives and cigarettes (P < 0.05). Conclusions. We conclude that a long waiting time for possible coronary revascularization is associated with more nervous symptoms but not with more pain.
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  • Berglin Blohm, M, et al. (författare)
  • Factors associated with prehospital and in-hospital delay time in acute myocardial infarction : a 6-year experience
  • 1998
  • Ingår i: Journal of Internal Medicine. - : Wiley-Blackwell Publishing Ltd.. - 0954-6820 .- 1365-2796. ; 243:3, s. 243-250
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVES: To explore factors associated with delay time prior to hospital admission and in hospital amongst acute myocardial infarction (AMI) patients with particular emphasis on the delay time to the administration of thrombolytic therapy. METHODS: During a 6-year period we prospectively computerized pre-hospital and in-hospital time intervals for AMI patients admitted to the coronary care unit (CCU) direct from the emergency department (ED) or via paramedics, at Sahlgrenska Hospital, Göteborg, Sweden. RESULTS: Pre-hospital delay: independent predictors of a prolonged delay were increased age (P = 0.0007), female sex (P = 0.02) and a history of hypertension (P = 0.03). For AMI patients who received thrombolytic treatment and the only independent predictor of a prolonged delay was increased age (P = 0.005). In-hospital delay: for all AMI patients independent predictors of a prolonged delay were prolonged pre-hospital delay (P < 0.0001), increased age (P = 0.03) and a history of angina (P = 0.002), hypertension (P = 0.01) and diabetes (P = 0.01). For thrombolytic treated AMI patients independent predictors of a prolonged delay were prolonged pre-hospital delay (P < 0.0001), female sex (P = 0.02) and a history of diabetes (P = 0.02). CONCLUSION: Risk factors for both pre-hospital and hospital delay time could in AMI be defined although slightly different. Two factors appeared for both, i.e. increasing age and a history of hypertension.
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6.
  • Brandrup-Wognsen, G, et al. (författare)
  • Female sex is associated with increased mortality and morbidity early, but not late, after coronary artery bypass grafting
  • 1996
  • Ingår i: European Heart Journal. - : Oxford University Press. - 0195-668X .- 1522-9645. ; 17:9, s. 1426-1431
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective To describe mortality and morbidity during a period of 2 years after coronary artery bypass grafting in relation to gender. Design Prospective follow-up study. Setting Two regional cardiothoracic centres which performed all the coronary artery bypass operations in western Sweden at the time. Sub|ects A total of 2129 (1727 (81%) men and 402 (19%) women) consecutive patients undergoing coronary artery bypass surgery between June 1988 and June 1991 without concomitant procedures. Results Females were older and more frequently had a history of hypertension, diabetes mellitus, congestive heart failure, renal dysfunction and obesity. In a multivariate analysis, taking account of age, history of cardiovascular diseases and renal dysfunction, female sex appeared as a significant independent predictor of mortality during the 30 days after coronary artery bypass grafting (/><0-05), but not thereafter. Various postoperative complications including neurological deficit, hydro- and pneumo-thorax, perioperative myocardial damage and the need for assist devices and prolonged reperfusion were more common in females than males. Conclusion Females run an increased risk of early death and the development of postoperative complications after coronary artery bypass surgery as compared with males. Late mortality does not appear to be influenced by gender and the long-term benefit of the coronary artery bypass graft operation is similar in men and women.
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  • Brandrup-Wognsen, G, et al. (författare)
  • Predictors for recurrent chest pain and relationship to myocardial ischaemia during long-term follow-up after coronary artery bypass grafting
  • 1997
  • Ingår i: European Journal of Cardio-Thoracic Surgery. - : Elsevier BV. - 1010-7940 .- 1873-734X. ; 12:2, s. 304-311
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: To describe the impact of coronary artery bypass grafting on chest pain during 2 years of follow-up after the operation and to identify predictors of chest pain and its relationship to myocardial ischaemia 2 years after the operation. Methods: Patients were approached with a questionnaire at the time of coronary angiography (1291) and 3 months (1664), 1 year (1638) and 2 years (1613) after coronary artery bypass grafting. Two years after the operation, a computerised 12-lead electrocardiogram was obtained during a standardised bicycle exercise test (618). Results: Prior to surgery, 37% of the patients were unable to perform physical activity compared with 6% after the operation (PB0.0001 for change in degree of limitation). Only 3% had no chest pain at all prior to the operation, while 58% of the patients were free from chest pain 2 years after surgery (PB0.0001). We found no correlation between patients reporting chest pain and signs of ischaemia at exercise test, but there was a highly significant correlation with chest pain during the exercise test (PB0.0001). Independent predictors of chest pain were severity of preoperative angina (PB0.0001), younger age (P 0.0009), previous coronary artery bypass grafting (P 0.003), duration of symptoms (P 0.005), the need for prolonged cardiopulmonary bypass (P 0.04) and the absence of left main stenosis (P 0.04). Conclusion: Independent predictors of chest pain were identified 2 years after coronary artery bypass grafting. There was a dramatic improvement after coronary artery bypass grafting. However, almost half the patients complained of some kind of chest pain even after the operation. This chest pain correlated well with chest pain during the exercise test but not with signs of myocardial ischaemia.
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  • Dellborg, M, et al. (författare)
  • Changes in the use of medication after acute myocardial infarction : Possible impact on post-myocardial infarction mortality and long-term outcome
  • 2001
  • Ingår i: Coronary Artery Disease. - : Lippincott Williams & Wilkins. - 0954-6928 .- 1473-5830. ; 12:1, s. 61-67
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: To describe the change in the use of medication after acute myocardial infarction (AMI) and discuss its possible impact on risk and risk indicators for death. Patients: All patients discharged alive after hospitalization for AMI at Sahlgrenska Hospital (covering half the community of Goteborg, i.e. 250 000 of 500 000 inhabitants) during 1986-1987 (period I) and at Sahlgrenska Hospital and Ostra Hospital (covering the whole community of Goteborg, 500 000 inhabitants) during 1990-1991 (period II). Methods: Overall mortality was retrospectively evaluated during 5 years of follow-up. Results: In all, 740 patients were included in the study during period I and 1448 during period II. The 5-year mortalities were 44.1% for period I patients and 39.3% for period II patients (P = 0.036). The relative risk of death for period II patients was 0.78 [95% confidence interval (CI) 0.67-0.89, P = 0.0005] after adjustment for differences at baseline. There was a significant interaction with a history of congestive heart failure; improvement in duration of survival was found only for patients without such a history. During period I, only 3% of patients were administered fibrinolytic agents, compared with 33% of patients during period II (P < 0.0001). During period I, aspirin was prescribed for 13% of patients discharged from hospital compared with 79% during period II. Other changes in treatment on going from period I to period II included increases in prescription of [beta]-blockers and angiotensin converting enzyme inhibitors. After adjustment for various risk indicators for death, relative risk of death for those administered fibrinolytic agents was 0.60 (95% CI 0.18-2.02) for patients in the period-I cohort and 0.68% (95% CI 0.51-0.91) for those in the period-II cohort. Adjusted relative risk of death for those prescribed aspirin upon discharge from hospital was 0.81 (95% CI 0.52-1.25) for period-I patients and 0.71 (95% CI 0.56-0.91) for period-II patients. The adjusted relative risk of death for those administered [beta]-blockers was 0.72 (95% CI 0.55-0.96) for period-I patients and 0.70 (95% CI 0.55-0.90) for period-II patients. Conclusion: Increased use of fibrinolytic agents and aspirin for AMI as well as a moderate increase in use of [beta]-blockers and angiotensin converting enzyme inhibitors was associated with a parallel reduction in age-adjusted mortality during the 5 years after discharge from hospital. However, this improvement was seen only for patients without histories of congestive heart failure.
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10.
  • Engdahl, J, et al. (författare)
  • Is hospital care of major importance for outcome after out-of-hospital cardiac arrest? Experience acquired from patients with out-of-hospital cardiac arrest resuscitated by the same Emergency Medical Service and admitted to one of two hospitals over a 16-year period in the municipality of Göteborg
  • 2000
  • Ingår i: Resuscitation. - : Elsevier Ireland Ltd. - 0300-9572 .- 1873-1570. ; 43:3, s. 201-211
  • Tidskriftsartikel (refereegranskat)abstract
    • AIM: To describe patient characteristics, hospital investigations and interventions and early mortality among patients being hospitalized after out-of-hospital cardiac arrest in two hospitals. SETTING: Municipality of Göteborg, Sweden. PATIENTS: All patients suffering an out-of-hospital cardiac arrest who were successfully resuscitated and admitted to hospital between 1 October 1980 and 31 December 1996. All patients were resuscitated by the same Emergency Medical Service and admitted alive to one of the two city hospitals in Göteborg. RESULTS: Of 579 patients admitted to Sahlgrenska Hospital, 253 (44%) were discharged alive and of 459 patients admitted to Ostra Hospital, 152 (33%) were discharged alive (P < 0.001). More patients in Sahlgrenska Hospital were still receiving cardiopulmonary resuscitation (CPR) treatment (P = 0.03), but patients in Ostra had a lower systolic blood pressure and higher heart rate on admission. A larger percentage of patients admitted to Sahlgrenska Hospital underwent coronary angiography (P < 0.001), electrophysiological testing (P < 0.001), Holter recording (P < 0.001), echocardiography (P = 0.004), percutaneous transluminal coronary angioplasty (PTCA, P = 0.009), implantation of automatic implantable cardioverter defibrillator (AICD, P = 0.03) and exercise stress tests (P = 0.003). Inhabitants in the catchment area of Ostra Hospital had a less favourable socio-economic profile. CONCLUSION: Survival after out-of-hospital cardiac arrest may be affected by the course of hospital management. Other variables that might influence survival are socio-economic factors and cardiorespiratory status on admission to hospital. Further investigation is called for as more patients are being hospitalised alive after out-of-hospital cardiac arrest.
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