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- Leosdottir, Margrét, et al.
(författare)
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The use of implantable cardioverter defibrillators in Iceland: a retrospective population based study
- 2006
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Ingår i: BMC Cardiovascular Disorders. - : Springer Science and Business Media LLC. - 1471-2261. ; 6:22
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: Indications for implantable cardioverter defibrillator (ICD) implantation have expanded considerably in recent years, resulting in steadily growing numbers of ICD recipients worldwide. The aim of this study was to review the overall experience with ICDs in Iceland. METHODS: This was a retrospective single centre study set at the University Hospital in Iceland. Data on all ICD implantations in Iceland from the first implantation in 1992 till the end of 2002 was reviewed. RESULTS: Sixty-two patients (71% male) received an ICD during this period. There was an increase in the number of implants by year and the number of new implants in 2001 and 2002 amounted to 56 and 38 per million, respectively. The mean age at implantation was 58 (+/-14) years. Forty patients (65%) had coronary artery disease. The most common indications for ICD implantation were cardiac arrest, 32 (52%) and another 26 (42%) had experienced ventricular tachycardia without cardiac arrest. The most common adverse event was inappropriate shocks. Twenty-eight patients (45%) received therapy from their ICDs, with the majority receiving appropriate therapy. Of the thirteen patients deceased before or during the study period, no case of sudden arrhythmic death was observed. CONCLUSION: This study shows that the experience with ICDs in Iceland is in most respects similar to other Western countries.
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| 3. |
- Borgquist, Rasmus, et al.
(författare)
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Coronary flow velocity reserve reduction is comparable in patients with erectile dysfunction and in patients with impaired fasting glucose or well-regulated diabetes mellitus
- 2007
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Ingår i: European Journal of Cardiovascular Prevention & Rehabilitation. - 1741-8275. ; 14:2, s. 258-264
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Tidskriftsartikel (refereegranskat)abstract
- Background There is growing evidence that erectile dysfunction is a sentinel for future coronary artery disease. Recently published studies have shown signs of impaired coronary endothelial function in patients with erectile dysfunction, without clinical cardiovascular disease and diabetes. We evaluated the magnitude of coronary vasodilatory dysfunction in men with erectile dysfunction, as compared with men with impaired glucose metabolism (impaired fasting glucose or diabetes) and healthy controls. Methods We investigated men aged 68-73 years with erectile dysfunction (n=12), age-matched men with impaired glucose metabolism, who all proved to have erectile dysfunction (n=15), and age-matched male controls (n=12). Erectile dysfunction was evaluated using the International Index of Erectile Function (IIEF)-5 questionnaire. Coronary flow velocity reserve in the left anterior descending artery was examined using Doppler ultrasound and intravenous adenosine provocation. Results Coronary flow velocities at rest did not differ between the three groups, but maximum coronary flow velocity was significantly lower in the erectile dysfunction group (P= 0.004) and in the impaired glucose metabolism group (P= 0.019), as compared with controls. There was no difference between the erectile dysfunction and impaired glucose metabolism groups. Coronary flow velocity reserve was reduced in the erectile dysfunction group (P=0.026) compared to controls, but was similar compared to the impaired glucose metabolism group. In multivariate analysis including all groups, erectile dysfunction score was the only independent predictor of reduced coronary flow velocity reserve (P=0.020). Conclusions The magnitude of early coronary endothelial and smooth muscle cell dysfunction in otherwise healthy men with erectile dysfunction was comparable to that of patients with impaired glucose metabolism: a well known risk factor for coronary artery disease.
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| 4. |
- Borgquist, Rasmus, et al.
(författare)
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Self-rated health and classical risk factors for coronary heart disease predict development of erectile dysfunction 25 years later.
- 2008
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Ingår i: International Journal of Clinical Practice. - : Hindawi Limited. - 1742-1241 .- 1368-5031. ; 62:2, s. 206-213
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Tidskriftsartikel (refereegranskat)abstract
- Aim: To investigate the impact of classical coronary heart disease (CHD) risk factors on the development of future erectile dysfunction (ED). Methods and results: A total of 830 randomly selected subjects were included. Baseline CHD risk factors were evaluated in relation to ED (evaluated by the International Index of Erectile Function-5 questionnaire) 25 years later. At follow-up, 499 men (60%) had some degree of ED. In age-adjusted logistic regression analysis, self-rated health [odds ratio (OR) 1.59, 95% confidence interval (CI): 1.09-2.31], family history of CHD (OR 1.75, CI: 1.17-2.61), fasting blood glucose (OR 1.52, CI: 1.14-2.02), triglycerides (OR 1.25, CI: 1.01-1.54), systolic blood pressure (SBP) (OR 1.19, CI: 1.04-1.35), body mass index (OR 1.08, CI: 1.03-1.13) and serum glutamyl transferase (GT) (OR 1.81, CI: 1.23-2.68), predicted ED. Independent predictors were higher age, low self-rated health, higher blood glucose, higher GT and a family history of CHD. Higher SBP was borderline significantly independent (p = 0.05). Furthermore, baseline age-adjusted Framingham risk score for CHD, also predicted future ED (OR 1.20, CI: 1.03-1.38). Conclusions: Our study supports and expands previous findings that ED and CHD share many risk factors, further underscoring the close link between ED and CHD. Men presenting with ED should be evaluated for the presence of other CHD risk factors.
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| 6. |
- Enhörning, Sofia, et al.
(författare)
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Relation between human vasopressin 1a gene variance, fat intake, and diabetes.
- 2009
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Ingår i: The American journal of clinical nutrition. - : Elsevier BV. - 1938-3207 .- 0002-9165. ; 89:1, s. 400-406
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: Male arginine vasopressin 1a receptor knockout mice (V1aR(-/-)) display a phenotype of low triglycerides and high glucose concentrations and high-fat-diet-induced obesity and diabetes. OBJECTIVE: We investigated whether genetic variation of the human arginine vasopressin 1A (AVPR1A) gene is associated with phenotypic features resembling those of the V1aR(-/-) mouse. DESIGN: In a population-based cross-sectional study in southern Sweden, middle-aged individuals (n = 6055) were examined in 1991-1994. Associations between 4 AVPR1A tag single nucleotide polymorphisms (rs1042615, rs10784339, rs7308855, and rs10747983) and diabetes status, glucose and triglyceride concentrations, and BMI were analyzed. Furthermore, rs1042615 was related to diabetes status, glucose, and triglycerides within sex-specific quartiles of dietary fat intake (Q1(Fat)-Q4(Fat)) and BMI (Q1(BMI)-Q4(BMI)). RESULTS: Subjects carrying the T allele of rs1042615 had lower concentrations of triglycerides than did CC carriers (1.36 +/- 0.77 compared with 1.42 +/- 0.89 mmol/L; P = 0.014), especially in nondiabetic subjects (P = 0.001). Carriers of the rs1042615 T allele had higher fasting blood glucose (5.20 +/- 1.44 mmol/L compared with 5.12 +/- 1.22 mmol/L; P = 0.036) and a tendency toward an increased prevalence of diabetes (odds ratio: 1.22; 95% CI: 0.99, 1.51; P = 0.067) compared with CC carriers. The less common rs10784339, rs7308855, and rs10747983 were not consistently associated with metabolic variables. Among men, the rs1042615 T allele was associated with diabetes exclusively within Q4(Fat) (odds ratio: 2.22; 95% CI: 1.05, 4.71; P = 0.04) and Q4(BMI) (odds ratio: 1.81; 95% CI: 1.11, 2.93; P = 0.02). CONCLUSION: The rs1042615 T allele is associated with features resembling the phenotype of the V1aR(-/-) mouse, including uncoupling of the usual direct relation between glucose and triglycerides and an increased prevalence of diabetes in subjects with a high fat intake or who are overweight.
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| 7. |
- Leosdottir, Margrét, et al.
(författare)
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Cardiovascular event risk in relation to dietary fat intake in middle-aged individuals: data from The Malmo Diet and Cancer Study
- 2007
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Ingår i: European Journal of Cardiovascular Prevention & Rehabilitation. - 1741-8275. ; 14:5, s. 701-706
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND AND DESIGN: The hypothesis that diets rich in total and saturated fat and poor in unsaturated fats increase the risk for cardiovascular disease is still vividly debated. The aim of this study was to examine whether total fat, saturated fat, or unsaturated fat intakes are independent risk factors for cardiovascular events in a large population-based cohort. METHODS: 28 098 middle-aged individuals (61% women) participated in the Malmo Diet and Cancer Study between 1991 and 1996. In this analysis, individuals with an earlier history of cardiovascular disease were excluded. With adjustments made for confounding by age and various anthropometric, social, dietary, and life-style factors, hazard ratios (HR) were estimated for individuals categorized by quartiles of fat intake [HR (95% confidence interval, CI), Cox's regression model]. RESULTS: No trend towards higher cardiovascular event risk for women or men with higher total or saturated fat intakes, was observed. Total fat: HR (95% CI) for fourth quartile was 0.98 (0.77-1.25) for women, 1.02 (0.84-1.23) for men; saturated fat: 0.98 (0.71-1.33) for women and 1.05 (0.83-1.34) for men. Inverse associations between unsaturated fat intake and cardiovascular event risk were not observed. CONCLUSIONS: In relation to risks of cardiovascular events, our results do not suggest any benefit from a limited total or saturated fat intake, nor from relatively high intake of unsaturated fat.
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