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- Andersson, Jonas, 1977-
(författare)
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Inflammation and lifestyle in cardiovascular medicine
- 2010
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- Despite major advances in the treatment and prevention of atherosclerosis the last several decades, cardiovascular disease still accounts for the majority of deaths in Sweden. With the population getting older, more obese and with rising numbers of diabetics, the cardiovascular disease burden may increase further in the future. The focus in cardiovascular disease has shifted with time from calcification and narrowing of arteries to the biological processes within the atherosclerotic plaque. C-reactive protein (CRP) has emerged as one of many proteins that reflect a low grade systemic inflammation and is suitable for analysis as it is more stable and easily measured than most other inflammatory markers. Several large prospective studies have shown that CRP is not only an inflammatory marker, but even a predictive marker for cardiovascular disease. C-reactive protein is associated with several other risk factors for cardiovascular disease including obesity and the metabolic syndrome. Our study of twenty healthy men during a two week endurance cross country skiing tour demonstrated a decline in already low baseline CRP levels immediately after the tour and six weeks later. In a study of 200 obese individuals with impaired glucose tolerance randomised to a counselling session at their health care centre or a one month stay at a wellness centre, we found decreased levels of CRP in subjects admitted to the wellness centre. The effect remained at one, but not after three years of follow-up. In a prospective, nested, case-referent study with 308 ischemic strokes, 61 intracerebral haemorrhages and 735 matched referents, CRP was associated with ischemic stroke in both uni- and multivariate analyses. No association was found with intracerebral haemorrhages. When classifying ischemic stroke according to TOAST criteria, CRP was associated with small vessel disease. The CRP 1444 (CC/CT vs. TT) polymorphism was associated with plasma levels of CRP, but neither with ischemic stroke nor with intracerebral haemorrhage. A study on 129 patients with atrial fibrillation was used to evaluate whether inflammation sensitive fibrinolytic variables adjusted for CRP could predict recurrence of atrial fibrillation after electrical cardioversion. In multivariate iv models, lower PAI-1 mass was associated with sinus rhythm even after adjusting for CRP and markers of the metabolic syndrome. In conclusion, lifestyle intervention can be used to reduce CRP levels, but it remains a challenge to maintain this effect. CRP is a marker of ischemic stroke, but there are no significant associations between the CRP1444 polymorphism and any stroke subtype, suggesting that the CRP relationship with ischemic stroke is not causal. The fibrinolytic variable, PAI-1, is associated with the risk of recurrence of atrial fibrillation after electrical cardioversion after adjustment for CRP. Our findings suggest a pathophysiological link between atrial fibrillation and PAI-1, but the relation to inflammation remains unclear.
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| 4. |
- Bergström, Erik, et al.
(författare)
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[Do better next time]
- 2009
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Ingår i: Läkartidningen. - 0023-7205 .- 1652-7518. ; 106:8, s. 527-
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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- Boman, Kurt
(författare)
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Ny behandling av Skelleftesjukan
- 2018
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Ingår i: Läkartidningen. - : Sveriges läkarförbund. - 0023-7205 .- 1652-7518. ; 115:47
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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| 7. |
- Boman, Kurt, 1945-
(författare)
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On the clinical use of digitalis : with reference to its prescription, maintenance therapy, intoxication and the patient's knowledge
- 1983
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- Digitalis in one of the most frequently prescribed drugs, especially to elderly people. The prescription of cardiac glucosides (1978) was studied by using statistics from Apoteksbolaget (the National Corporation of Swedish Pharmacies). There was a threefold difference in the sales of cardiac glucosides per 1000 inhabitants in the different primary care areas. Digoxin was prescribed to 90-98 per cent of the patients, with considerable variations in the dosages. Many other factors besides the cardio-vascular morbidity were likely to cause these differences.Maintenance digitalis therapy has lately been questioned. In a retrospective study, digitalis was discontinued in 141 geriatric patients without contraindications to digitalis withdrawal. Digoxin treatment seemed to be unnecessary in 108 patients (81 per cent), followed up two months after digoxin withdrawal. A long-term study (mean: 20,5 months) was carried out in these 108 patients. Digitalis therapy was reinstituted in 30 of 99 patients, equally distributed on the basis of clear, possible or uncertain indications. Significantly more patients (p< 0,001) with atrial fibrillation compared with sinus rhythm were restarted. A prospective, randomized, double-blind placebo- controlled study in 39 out of 66 geriatric patients confirmed the results of the retrospective study. During a two-month period 32 of 37 patients (86 per cent) managed without digitalis. Eighteen out of 66 patients (27 per cent) presented contraindications to digoxin withdrawal. Those who needed digitalis were restarted mainly during the first nonth (mean: 18 days) following digoxin withdrawal.Digitalis intoxication has been studied earlier, mainly in hospitalized patients. A clinical examination and ECG of a random sample of outpatients treated with digoxin shewed that about 5 per cent were certainly intoxicated and about 2 per cent suspected of being intoxicated.Elderly patients are said to be more sensitive to digitalis. Eleven per cent of 66 geriatric patients were found, without doubt, to be digitalis intoxicated. The mean serum digoxin concentration was significantly higher in eight toxic patients compared with non-toxic patients, but 75 per cent of the toxic patients had serum digoxin concentrations within or below therapeutic range. Five of these intoxicated patients did not need maintenance digitalis therapy.A questionnaire of 361 patients in Skellefteå and Uppsala revealed that about 45 per cent had taken digitalis for more than five years. Approximately 85 per cent took one tablet daily and stated compliance. About one fifth did not know why they were taking digoxin and about half of the patients were uncertain if they were improved, by digitalis therapy. Although digitalis intoxication is such an important clinical problem, some 55 per cent did not know about digitalis's side-effects and some 50 per cent stated that no or insufficient information had been given. Only 15 per cent were satisfied with the information they had received. A significant negative correlation between digoxin dosages and the age of the patients was found.
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- Brännström, Margareta, 1957-
(författare)
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Ett liv i berg och dalbana : innebörder av att leva med svår kronisk hjärtsvikt i palliativ avancerad hemsjukvård utifrån patienters, närståendes och sjuksköterskors berättelser
- 2007
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- The overall purpose of this thesis is to illuminate meanings of living with severe chronic heart failure (CHF) in palliative advanced home care (PAHC) as disclosed through patients’, close relatives’ and nurses’ narratives. This thesis comprises four papers that illuminate the phenomenon from various perspectives and with different focus. In paper I four patients with severe CHF in PAHC were interviewed. In paper II three of their close relatives were interviewed. In paper III one man and his wife in PAHC were interviewed at 3-5 month intervals over a 4.5-years period. In paper IV 11 nurses in PAHC were interviewed. In all papers narrative interviews were conducted and the text was interpreted using a phenomenological-hermeneutic method. The result shows that meanings of living with severe CHF in PAHC is to be ‘knocking on death’s door’ yet surviving. This means never knowing what to expect of tomorrow as one suffers from a complex array of unpredictable, interwoven symptoms. The course of the illness forces sufferer to ride a symbolical ‘roller coaster’, an ongoing oscillation between ‘ups and downs’. Being offered a safety belt in the ‘roller coaster’ by the PAHC team means feelings of safety (I). Meanings of being a close relative of a person with severe CHF in PAHC is to be following the life- threatening ups and downs that the ill person goes through. It is like being a fellow passenger on the ‘roller coaster’ ride that is their loved one’s disease, with burdensome responsibility for easing the ‘downs’ and supporting the ‘ups’. This means being on primary call, always on standby to mediate security and pleasure. In the deepest downs it is also to call for the back-up call i.e. the PAHC team (II). Meanings of living the ‘ups and downs’ over time is being captive in a roller-coaster ride, side by side, with the ‘ups and downs’ caused by the illness. Living close to death is inescapable when recurrent periods of deepest ‘downs’ force one to face that one’s life together is coming to an end. The relationship between the spouses is severely tested but seems to withstand the strain and meaning is found in togetherness in life. Sharing the safety belt on the ‘roller coaster’, offered by the PAHC team, evokes feelings of security. However, the safety belt is adjusted to the man with severe CHF leaving the wife partly without comfort and at times uncertain, especially in the deepest ‘downs’ (III). Meanings of being a palliative nurse for patients with severe CHF in PAHC is being firmly rooted and guided by the values of palliative culture. Being a facilitator for the patient with CHF to live his/her everydaylife in the best way possible is difficult, challenging but overall positive. The nurses get into a tight corner when palliative culture values clash and do not correspond to nurses’ interpretation of what is good for the patient with severe CHF. There is a limit to nurses’ pliability to patients’ and close relatives’ will, as they are strongly convinced that resuscitation is not an option. Nurses have already made up their mind about that they do not perform heart- lung resuscitation (IV). The comprehensive understanding is that meanings of living with severe CHF in PAHC is being captive in a ‘roller-coaster’ life with varying periods between unpredictable improvement and deterioration of the body, for the rest of life. Living with the unpredictable, deteriorated body means to oscillate between enduring the suffering in ‘downs’ and enjoying life in ‘ups’ (I-III). Living with death so close over and over again i.e. being in a limit situation evokes feelings of uncertainty (I-IV) and confidence (I-III). Being positive dependent on PAHC facilitates a life as normal as possible in togetherness at home (I-IV). The comprehensive understanding of the four papers (I-IV) are discussed in the light of a theoretical framework from the German psychiatrist and philosopher Karl Jaspers thoughts about limit situation, the Danish philosopher K.E Lögstrup thoughts about the ethical demand, palliative theories and relevant empirical studies.
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