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Articles by K. Svardsudd
Total Records ( 4 ) for K. Svardsudd
  M Gulliksson , H Wedel , M Koster and K. Svardsudd
 

Background— The incidence of a first acute myocardial infarction (AMI) has fallen considerably during the last decades. However, no previous studies have analyzed the underlying hazards function of experienceing a recurrent AMI, and none has analyzed the change of risk for a recurrent AMI over the last 3 decades.

Methods and Results— The study was based on the Swedish national myocardial infarction register. The register contained more than 1 million AMI events. After exclusion of events occurring in subjects younger than 20 or older than 84 years and events with uncertain first AMI status, 775 901 events occurring between 1972 and 2001 remained for analysis. During the study period, the risk of a new event among survivors of a previous AMI decreased sharply during the first 2 years after the previous event, had its minimum after 5 years, and then increased slowly again. The risk for a recurrent AMI during the first year after a previous event was fairly stable over the years until the late 1970s and then decreased by 36% in women and 40% in men until the late 1990s, irrespective of age and AMI number, mirroring the incidence decrease over the years for primary events.

Conclusions— The risk of a recurrent AMI event was highly dependent on time from the previous event, a novel finding which may affect risk scoring. There were strong secular trends toward diminishing risk for a recurrent AMI in recent years, even when other outcome affecting variables were taken into account.

  S. Engstrom , C. Berne , L. Gahnberg and K. Svardsudd
  Aims  The aim of the present study was to test the effectiveness of opportunistic blood glucose screening in a cooperational framework between dental and primary health care.

Methods  Altogether, 1568 subjects, age 20-75 years, with no previous history of diabetes, who came for a regular dental examination, had their non-fasting blood glucose measured with a portable blood glucose meter. Subjects with a concentration of ≥ 6.7 mmol/l (121 mg dl−1) were referred to their primary healthcare centre for follow-up. The outcome, a diagnosis of diabetes mellitus, was obtained from primary healthcare centre and hospital patient records, during 3 years after screening.

Results  Of the 155 (9.9%) subjects who screened positive, 139 (89.7%) came to their primary healthcare centre within the 3-year follow-up period and nine (5.8%) were diagnosed as having diabetes mellitus according to the World Health Organization criteria. Of the 1413 subjects who screened negative, 1137 (80.5%) came to the primary healthcare centre and eight (0.6%) were found to have diabetes mellitus. Screening sensitivity was 52.9%, specificity 90.6% and positive predictive value 5.8%. The number of subjects needed to screen to find one case of diabetes was 196. Delineating the study population to those 40- to 75-year-olds with a BMI ≥ 25 kg/m2, and 30-to 75-year-olds with a BMI ≥ 30 kg/m2, the numbers needed to screen was reduced to 96.

Conclusions  Cooperation between dental and primary care for high blood glucose screening and follow-up appears to be a feasible method for early diagnosis of diabetes.

  S. P. O. Jansson , D. K. G. Andersson and K. Svardsudd
 

Aims

To analyse the effects of hyperglycaemia and blood pressure, diabetes and anti-hypertension treatment on total and various types of cardiovascular disease incidence in patients with Type 2 diabetes followed for 30 years.

Methods

A total of 740 incident patients with Type 2 diabetes were registered at the Laxa Primary Health Care Centre, Sweden between 1972 and 2001. Information on systolic, diastolic, and mean arterial blood pressure, mean fasting blood glucose, type of diabetes and anti-hypertension treatment was obtained from the patient records, and information on cardiovascular disease, myocardial infarction and stroke events from National Registers.

Results

During the follow-up period the cumulative incidence of cardiovascular disease increased significantly with male sex (HR 1.52, 95% CI 1.25-1.85), age (HR 1.05, 95% CI 1.04-1.07), year of diabetes onset (HR 1.03, 95% CI 1.01-1.05), BMI, (HR 1.04, 95% CI 1.02-1.07), mean arterial blood pressure (HR 1.04, 95% CI 1.02-1.05) and number of previous cardiovascular disease events (HR 1.15, 95% CI 1.10-1.21), and decreased significantly with sulfonylurea treatment (HR 0.64, 95% CI 0.49-0.84), insulin (HR 0.57, 95% CI 0.33-0.98) and calcium channel blocker treatment (HR, 0.69, 95% CI 0.48-0.99). Cumulative incidence of myocardial infarction increased significantly with male sex, age, BMI, mean arterial blood pressure, number of previous myocardial infarction events and diuretic treatment, and decreased with metformin treatment. Cumulative incidence of stroke increased with age, year of diabetes onset, mean arterial blood pressure, and previous number of stroke events.

Conclusions

Cumulative cardiovascular disease, myocardial infarction and incidence of stroke increased with number of previous events and presence of hypertension and decreased with pharmacological anti-diabetic treatment and, to a lesser extent, with anti-hypertension treatment.

  S. P. O. Jansson , K. Svardsudd and D. K. G. Andersson
 

Aims

To analyse the effects of hyperglycaemia and hypertension and treatment of diabetes and hypertension on cardiovascular disease incidence in patients with Type 2 diabetes with up to 30 years of follow-up.

Methods

A total of 740 patients with incident Type 2 diabetes were registered at the Laxa Primary Health Care Centre, Sweden between 1972 and 2001. Annual data on mean fasting blood glucose, systolic, diastolic and mean arterial blood pressure, and type of diabetes and hypertension treatment were obtained from patient records, and information on cardiovascular disease, myocardial infarction and stroke events was obtained from national registers.

Results

During the follow-up period, cumulative cardiovascular disease incidence increased significantly with male sex (hazard ratio 1.48, 95% CI 1.21-1.82), number of previous cardiovascular disease events (hazard ratio 1.13, 95% CI 1.08-1.18), age, per year (HR 1.05, 95% CI 1.04-1.07), mean fasting blood glucose, per mmol/l (hazard ratio 1.05, 95% CI 1.00-1.10) BMI (hazard ratio 1.04, 95% CI 1.01-1.06), mean arterial blood pressure, per mmHg (hazard ratio 1.02, 95% CI 1.01-1.03), and decreased significantly with metformin treatment (hazard ratio 0.58, 95% CI 0.38-0.90) and sulfonylurea (hazard ratio 0.73, 95% CI 0.55-0.97). Cumulative myocardial infarction incidence increased significantly with male sex, number of previous myocardial infarction events, mean fasting blood glucose level, BMI, age and mean arterial blood pressure, and decreased with metformin treatment. Cumulative stroke incidence increased with number of previous stroke events, age and mean arterial blood pressure.

Conclusions

The cumulative incidence of cardiovascular disease and myocardial infarction increased with number of previous events and presence of hyperglycaemia and hypertension and decreased with pharmacological treatment of diabetes. A higher number of previous stroke events increased the cumulative incidence of stroke but no protective effect of pharmacological treatment was observed.

 
 
 
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