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- Asplund, Kjell, et al.
(författare)
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The Riks-Stroke story : building a sustainable national register for quality assessment of stroke care
- 2011
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Ingår i: International Journal of Stroke. - : SAGE Publications. - 1747-4930 .- 1747-4949. ; 6:2, s. 99-108
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Tidskriftsartikel (refereegranskat)abstract
- Background Riks-Stroke, the Swedish Stroke Register, is the world's longest-running national stroke quality register (established in 1994) and includes all 76 hospitals in Sweden admitting acute stroke patients. The development and maintenance of this sustainable national register is described. Methods Riks-Stroke includes information on the quality of care during the acute phase, rehabilitation and secondary prevention of stroke, as well as data on community support. Riks-Stroke is unique among stroke quality registers in that patients are followed during the first year after stroke. The data collected describe processes, and medical and patient-reported outcome measurements. The register embraces most of the dimensions of health-care quality (evidence-based, safe, provided in time, distributed fairly and patient oriented). Result Annually, approximately 25 000 patients are included. In 2009, approximately 320 000 patients had been accumulated (mean age 76-years). The register is estimated to cover 82% of all stroke patients treated in Swedish hospitals. Among critical issues when building a national stroke quality register, the delicate balance between simplicity and comprehensiveness is emphasised. Future developments include direct transfer of data from digital medical records to Riks-Stroke and comprehensive strategies to use the information collected to rapidly implement new evidence-based techniques and to eliminate outdated methods in stroke care. Conclusions It is possible to establish a sustainable quality register for stroke at the national level covering all hospitals admitting acute stroke patients. Riks-Stroke is fulfilling its main goals to support continuous quality improvement of Swedish stroke services and serve as an instrument for following up national stroke guidelines.
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- Ekbom, Tord, et al.
(författare)
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Cardiovascular events in elderly patients with isolated systolic hypertension. A subgroup analysis of treatment strategies in STOP-Hypertension-2.
- 2004
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Ingår i: Blood pressure. - Oslo : Informa UK Limited. - 0803-7051 .- 1651-1999. ; 13:3, s. 137-41
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVE: To perform a subgroup analysis on those patients in STOP-Hypertension-2 who had isolated systolic hypertension. DESIGN AND METHODS: The STOP-Hypertension-2 study evaluated cardiovascular mortality and morbidity in elderly hypertensives comparing treatment with conventional drugs (diuretics, beta-blockers) with that of newer ones [angiotensin-converting enzyme (ACE) inhibitors, calcium antagonists]. In all, 6614 elderly patients with hypertension (mean age 76.0 years, range 70-84 years at baseline) were included in STOP-Hypertension-2. In the present subgroup analysis of STOP-Hypertension-2, isolated systolic hypertension was defined as systolic blood pressure at least 160 mmHg and diastolic blood pressure below 95 mmHg, in accordance with the Syst-Eur and Syst-China study criteria. In total, 2280 patients in STOP-Hypertension-2 met these criteria. In the study, patients were randomized to one of three treatment groups: "conventional" antihypertensive therapy with beta-blockers or diuretics (atenolol 50 mg, metoprolol 100 mg, pindolol 5 mg, or fixed-ratio hydrochlorothiazide 25 mg plus amiloride 2.5 mg daily); ACE inhibitors (enalapril 10 mg or lisinopril 10 mg daily); or calcium antagonists (felodipine 2.5 mg or isradipine 2.5 mg daily). Analysis was by intention to treat. RESULTS: The blood pressure lowering effect in patients with systolic hypertension was similar with all three therapeutic regimens: 35/13 mmHg in the conventional group (n=717), 34/12 mmHg in the ACE inhibitor group (n = 724), and 35/13 mmHg in the calcium antagonist group (n=708). Prevention of cardiovascular mortality, the primary endpoint of the study, did not differ between the three treatment groups. All stroke events, i.e. fatal and non-fatal stroke together, were significantly reduced by 25% in the newer-drugs group compared with the conventional group (95% CI 0.58-0.97; p=0.027). This difference was attributable to reduction of non-fatal stroke while fatal stroke events did not differ between groups. New cases of atrial fibrillation were significantly increased by 43% (95% CI 1.02-1.99; p=0.037) on "newer" drugs compared with "conventional" therapy, mainly attributable to the calcium antagonists. There were no significant differences between the three treatment groups with respect to the risks of myocardial infarction, sudden death or congestive heart failure. CONCLUSIONS: The analysis demonstrated that "newer" therapy (ACE inhibitors/calcium antagonists) was significantly better (25%) than "conventional" (diuretics/beta-blockers) in preventing all stroke in elderly patients with isolated systolic hypertension.
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- Viitanen, Matti, 1950-
(författare)
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Long-term effects of stroke
- 1987
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- Stroke, which has an increasing incidence with age, causes an irreversible brain damage which may lead to impairment, disability and decreased life satisfaction or death.Risk factors for death, recurrent stroke and myocardial infarction, were analyzed in 409 stroke patients treated at the Stroke Unit, Department of Medicine, Umeå University Hospital, between Jan. 1, 1978 and Dec. 31, 1982. The causes of death were related with the time of survival. In fully co-operable (n=62) 4-6 year stroke survivors, the occurrence of motor and perceptual impairments, of self-care (ADL) disability and of self-reported decreased life satisfaction due to stroke was determined.The probability of survival was 77% three months after stroke, 69% after one year, and 37% after five years. Multivariate statistical analysis indicated that impairment of consciousness was the most important risk factor for death followed by age, previous cardiac failure, diabetes mellitus, intracerebral hemorrhage and male sex. During the first week, cerebrovascular disease (90%) was the most dominant primary cause of death, from the second to the fourth week pulmonary embolism (30%), bronchopneumonia during the second and third months and cardiac disease (37%) later than three months after stroke. The risk of recurrence was 14% during the first year after stroke and the accumulated risk of stroke recurrence after 5 years was 37% after stroke. The estimated probability of myocardial infarction was 7% at one year and 19% at 5 years. High age and a history of cardiac failure increased the risk of recurrent stroke. The risk of myocardial infarction was associated with high age, angina pectoris and diabetes mellitus. The highest risk of epilepsy was found between 6 and 12 months after stroke. Motor impairment prevailed in 36% of the long-term survivors, perceptual impairments in up to 57% and decreased ADL-capacity in 32%. As regards ecological perception, perceptual function variables were distinctly grouped into low and high level perception which together with motor function explained 71% of the variance of self-care ADL. While levels of global and of domain specific variables of life satisfaction appeared stable in clinically healthy reference populations aged 60 and 80 years, the stroke had produced a decrease in one or more aspects of life satisfaction for 61% of the long-term survivors. Although significantly associated with motor impairments and ADL disability, these changes could not only be attributed to physical problems.
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