Nurse-led patient-centered self-management support improves HbA1c in patients with type 2 diabetes-A randomized study.

OBJECTIVES: The aim of this study was to evaluate the effect of a patient-centered self-management support, in type 2 diabetes (T2D) with regard to metabolic changes. METHODS: 182 patients were randomized into group intervention (GI), individual intervention (II) or internal controls (IC). An external control (EC) group was recruited from another county council. The intervention consisted of six sessions that featured themes, which regarded different views of their illness experiences. Data were collected in 2010 and 2011. RESULTS: HbA1c was significantly decreased at 12-month follow-up with 5mmol/mol in the GI and 4mmol/mol in the II. In the IC group, the HbA1c was close to baseline. The EC group had increased HbA1c, though not significantly. When the HbA1c difference at baseline was adjusted, there was a significant difference between intervention groups and the EC-group. CONCLUSION: Patient-centered self-management support, led by nurses, can lower HbA1c among patients with type 2 diabetes. PRACTICE IMPLICATIONS: It is possible to train diabetes specialist nurses in clinical patient-centered care, and simultaneously influence patients' metabolic balance positively.

AN INCREASE IN RISK FACTORS FOR CARDIOVASCULAR DISEASE IN YOGYAKARTA, INDONESIA: A COMPARISON OF TWO CROSS-SECTIONAL SURVEYS.

This paper aims to describe changes in risk factors for cardiovascular disease (CVD) over a five year period in urban Indonesia. In 2004 (n = 3,205) and 2009 (n = 2,467) we conducted cross-sectional surveys of residents in Yogjakarta City, Indonesia evaluating risk factors for CVD. Smoking habits, fruit and vegetable intake, physical activity, blood pressure, weight, and height were recorded. The results of these 2 surveys conducted 5 years apart were then compared. The risk for having a CVD event was also calculated. Behavioral CVD risk factors were more common among men. The predicted risk of having a CVD event increased from 8.4% to 11.3% among men between 2004 and 2009. Effective measures need to be taken to change these behaviors among men in Yogyakarta, Indonesia.

ICIQ symptom and quality of life instruments measure clinically relevant improvements in women with stress urinary incontinence.

AIMS: To determine whether changes in questionnaire scores on symptoms and condition-specific quality of life reflect clinically relevant improvements in women with stress urinary incontinence (SUI). METHODS: We retrospectively analyzed questionnaires collected during a randomized controlled trial in women with SUI, that received pelvic floor muscle training (PFMT) in two different formats. We included 218 women that answered validated self-assessment questionnaires at baseline and at a 4-month follow-up. We registered changes on two questionnaires, the International Consultation on Incontinence Modular Questionnaire-Urinary Incontinence Short Form (ICIQ-UI SF) and the Lower Urinary Tract Symptoms Quality of Life (ICIQ-LUTSqol). We compared these score changes to responses from the Patient Global Impression of Improvement (PGI-I) questionnaire. Differences were analyzed with the Spearman rho and one-way-ANOVA. The minimum important difference (MID) was the mean change in score for women that experienced a small improvement. RESULTS: The PGI-I correlated significantly to both the ICIQ-UI SF (r = 0.547, P < 0.0001) and ICIQ-LUTSqol (r = 0.520, P < 0.0001). Thus, larger reductions in symptoms or quality of life scores were associated with greater impressions of improvement. The changes in ICIQ-UI SF and ICIQ-LUTSqol scores were significant across all PGI-I groups from "no change" to "very much improved" (P < 0.05). The MIDs were 2.52 (SD 2.56) for ICIQ-UI SF and 3.71 (SD 4.95) for ICIQ-LUTSqol. CONCLUSIONS: The change in ICIQ-UI SF and ICIQ-LUTSqol scores after PFMT reflected clinically relevant improvements in women with SUI. The MIDs established for this population may facilitate future research, treatment evaluations, and comparisons between studies.

Stress urinary incontinence and quality of life: a reliability study of a condition-specific instrument in paper and web-based versions.

AIMS: Quality of life is an important outcome measure in studies of urinary incontinence. Electronic collection of data has several advantages. We examined the reliability of the Swedish version of the highly recommended condition-specific quality of life questionnaire International Consultation on Incontinence Modular Questionnaire-Lower Urinary Tract Symptoms Quality of Life (ICIQ-LUTSqol), in paper and web-based formats in women with stress urinary incontinence. METHODS: Women aged 18-70 years, with stress urinary incontinence at least once weekly, were recruited via the project's website and answered the ICIQ-LUTSqol questionnaire. Respondents completed either the paper version twice (n = 78), or paper and web-based versions once each (n = 54). The ICIQ validation protocol was followed. RESULTS: The mean interval between answers was 18.1 (SD = 3.1) days in the paper versus paper setting and 15.0 (SD = 7.8) days in the paper versus web-based setting. Internal consistency was excellent, with Cronbach's alpha coefficients of 0.87 for the paper version and 0.86 for the web-based version. There was a high degree of agreement of overall scores with intraclass correlations in the paper versus paper and paper versus web-based settings: 0.95 (P < 0.001) and 0.92 (P < 0.001), respectively. The mean of each individual item's weighted kappa value was 0.61 in both settings. CONCLUSIONS: The questionnaire is reliable in women with stress urinary incontinence, and it can be used in either a paper or a web-based version.

Anal sphincter electromyography in patients with newly diagnosed idiopathic parkinsonism.

OBJECTIVES: The differential diagnosis of patients with idiopathic parkinsonism is difficult, especially early in the course of the disease. External anal sphincter electromyography (EAS-EMG) has been reported to be of value in the differential diagnosis between Parkinson's disease (PD) and multiple system atrophy (MSA). Patients with MSA are reported to have pathological EAS-EMG and patients with PD are reported to have significantly less pathological EAS-EMG results. Comparisons between patients with parkinsonian disorders have usually been made many years into the disease, and thus it is largely unknown if the results of EAS-EMG can be used to distinguish the different diagnoses in the early phase of the disease. MATERIALS AND METHODS: We investigated 148 newly diagnosed patients with idiopathic parkinsonism from a population-based incidence cohort (100 definite PD, 21 probable PD, 16 MSA, 11 progressive supranuclear palsy, and 40 controls) with EAS-EMG within 3 months of their first visit and, in the majority of patients, before start of treatment with dopaminergic drugs. The clinical diagnoses were made using established clinical diagnostic criteria after a median follow-up of 3 years. RESULTS: All patient groups had more pathological EAS-EMG results than controls. No EAS-EMG differences were found between the patient groups, especially not between PD and MSA. CONCLUSIONS: External anal sphincter electromyography examination cannot separate the different parkinsonian subgroups from each other in early course of the diseases.

Mechanisms for the social gradient in health: results from a 14-year follow-up of the Northern Swedish Cohort.

OBJECTIVE: Although numerous studies have demonstrated a socio-economic gradient in health, there is still a lack of research about the mechanisms behind this gradient. The aim of this study was to analyse possible mechanisms from adolescence to adulthood to explain the socio-economic gradient in somatic symptoms among men and women in the Northern Swedish Cohort. STUDY DESIGN: A prospective cohort study was performed, in which all pupils (n = 1083) in the last year of compulsory school were followed for 14 years. The response rate was high, with 96.6% still participating after 14 years. The data were mainly collected through repeated comprehensive self-administered questionnaires. METHODS: The main dependent variable was a combination of socio-economic position and somatic health at 30 years of age. Multivariate multinomial and bivariate logistic regression analyses were undertaken. RESULTS: After controlling for parental working-class position and health-related selection, the authors identified mechanisms from adolescence to adulthood for the socio-economic gradient in health that were related to social relations (poor relationship with father and unemployed friends among men, violence among women), labour market experiences (unemployment among men and women, physically heavy work among women), economic hardship (among women) and poor health behaviour. CONCLUSION: These analyses contribute to the development of epidemiological methods for analysing mechanisms for the socio-economic gradient in health.

Physiological responses to touch massage in healthy volunteers.

OBJECTIVES: To evaluate effects of touch massage (TM) on stress responses in healthy volunteers. METHODS: A crossover design including twenty-two (mean age=28.2) healthy volunteers (11 male and 11 female) cardiac autonomic tone was measured by heart rate (HR) and heart rate variability (HRV). Stress hormone levels (cortisol) were followed in saliva. We also measured blood glucose and serum insulin. Extracellular (ECV) levels of glucose, lactate, pyruvate and glycerol were followed using the microdialysis technique (MD). TM was performed on hands and feet for 80 min, during control, participants rested in the same setting. Data were collected before, during, and after TM and at rest. Saliva cortisol, serum glucose, and serum insulin were collected before, immediately following, and 1 h after intervention or control, respectively. RESULTS: After 5 min TM, HR decreased significantly, indicating a reduced stress response. Total HRV and all HRV components decreased during intervention. Saliva cortisol and insulin levels decreased significantly after intervention, while serum glucose levels remained stable. A similar, though less prominent, pattern was seen during the control situation. Only minor changes were observed in ECV levels of glucose (a decrease) and lactate (an increase). No significant alterations were observed in glycerol or pyruvate levels throughout the study. There were no significant differences between groups in ECV concentrations of analyzed substances. CONCLUSIONS: In healthy volunteers, TM decreased sympathetic nervous activity, leading to decreased overall autonomic activity where parasympathetic nervous activity also decreased, thereby maintaining the autonomic balance.

Soluble CD36 (sCD36) clusters with markers of insulin resistance, and high sCD36 is associated with increased type 2 diabetes risk.

CONTEXT AND OBJECTIVE: Soluble CD36 (sCD36) may be an early marker of insulin resistance and atherosclerosis. The objective of this prospective study was to evaluate sCD36 as a predictor of type 2 diabetes and to study its relationship with components of the metabolic syndrome (MetSy). DESIGN, SETTING, PARTICIPANTS, AND OUTCOME MEASURES: We conducted a case-referent study nested within a population-based health survey. Baseline variables included sCD36, body mass index, blood pressure, blood lipids, adipokines, inflammatory markers, and beta-cell function. A total of 173 initially nondiabetic cohort members who developed type 2 diabetes during 10 yr of follow-up were matched (1:2) with referents. Exploratory factor analysis was applied to hypothesize affiliation of sCD36 to the MetSy components. RESULTS: Doubling of baseline sCD36 increases the odds ratio for diabetes development by 1.24 in the general study population and by 1.45 in the female population (P < 0.025). Comparing upper sCD36 quartiles with lower, odds ratio for diabetes was 4.6 in women (P = 0.001), 3.15 in men (P = 0.011), and 2.6 in obese individuals (P < 0.025). Multivariate analysis shows that sCD36 does not predict diabetes independent of fasting plasma glucose and insulin. Factor analysis of 15 variables generates a six-factor model explaining 66-69% of total variance, where sCD36, body mass index, insulin, proinsulin, and leptin were assigned to the obesity/insulin resistance cluster. CONCLUSIONS: Upper quartile sCD36 is associated with elevated diabetes risk independent of age, gender, and obesity. Baseline sCD36 does not, however, predict diabetes independent of fasting glucose and insulin. sCD36 clusters with important markers of insulin resistance and MetSy that are key predictors of type 2 diabetes.

BMI at 4 years of age is associated with previous and current protein intake and with paternal BMI.

OBJECTIVES: To evaluate possible associations between body mass index (BMI) at 4 years of age, current and previous dietary intakes and parental BMI. METHODS: A follow-up of dietary intake and anthropometry in 127 4-year-old children corresponding to 54% of children who completed an initial intervention study at 18 months of age. RESULTS: Fourteen percent of the girls and 13% of the boys were overweight (age-adjusted BMI> or =25) and 2% of the girls and 3% of the boys were obese (age-adjusted BMI> or =30). Thirty-four percent and 9% of the fathers and 19 and 7% of the mothers were overweight and obese, respectively. BMI at 6-18 months was a strong predictor of BMI at 4 years. Univariate regression analyses revealed that intake of protein in particular, and also of total energy and carbohydrates at 17/18 months and at 4 years, was positively associated with BMI at 4 years. Although BMI at 6-18 months was the strongest predictor of BMI at 4 years, in the final multivariate models of the child's BMI, protein intake at 17-18 months and at 4 years, energy intake at 4 years and the father's-but not the mother's-BMI were also independent contributing factors. CONCLUSIONS: Among these healthy children, BMI at 4 years of age tracked from 6 to 18 months of age and were associated with previous and current protein intake as well as parental BMI, particularly that of the father.

Cognitive function in early Parkinson's disease: a population-based study.

BACKGROUND AND PURPOSE: The study aims to describe the frequency, pattern and determinants of cognitive function in patients with newly diagnosed Parkinson's disease (PD); to compare patients with impaired cognition to patients with intact cognition; and to compare to matched healthy controls. METHODS: Patients were identified in a longitudinal population based study of idiopathic non-drug induced parkinsonism. Eighty-eight newly diagnosed patients with PD and no dementia were included during a four year period. The patients and 30 age- and sex-matched healthy control subjects underwent a comprehensive neuropsychological assessment. RESULTS: Patients performed significantly worse than healthy controls in a majority of neuropsychological tests. Test results in attention, psychomotor function, episodic memory (free recall), executive function and category fluency were significantly lower in the patient group. Comparison with normative data revealed that 30% of the patients had deficits in > or =1 cognitive domain (episodic memory, executive function and verbal function). Seventy per cent of the patients had normal performance. Unified Parkinson's Disease Rating Scale (UPDRS) III sub scores; speech, facial expression, rigidity and bradykinesia were significantly higher, and disease duration shorter amongst the cognitively impaired than amongst the cognitively intact patients. Tremor showed no difference. Education level was an independent predictor of dysfunction in patients with > or =2 cognitive domains affected. CONCLUSION: Cognitive dysfunction is common in untreated patients in early PD, affecting attention, psychomotor function, episodic memory, executive function and category fluency. Education level was an independent predictor of severe cognitive dysfunction.

Fracture mechanisms and fracture pattern in men and women aged 50 years and older: a study of a 12-year population-based injury register, Umeå, Sweden.

UNLABELLED: In a study of a 12-year population-based injury register, Umeå, Sweden, we analyzed the fracture mechanisms and fracture pattern in men and women 50 years and older. Low-energy trauma was responsible for the major and costliest part of the fracture panorama, but the pattern differs between age groups. INTRODUCTION: Osteoporosis-related fracture is a major health problem: the number of hip fractures is expected to double to 2030. While osteoporosis is one of many risk factors, trauma is almost always involved. Therefore, we analyzed injury mechanisms in patients aged over 50. METHODS: We registered injury mechanism, cause, diagnosis in all trauma patients at Umeå University hospital, Sweden. This population-based register (1993-2004) comprises a total of 113,668 injuries (29,189 fractures). Patients >or=50 years contributed to 13,279 fractures. RESULTS: Low-energy trauma (fall <1 m) caused 53% of all fractures >or=50 years and older. In those over 75 low-energy trauma caused >80%. The seasonal variation of fractures was maximally 25%. With increasing age, proximal fractures became more common, in both upper and lower extremities. Proximal locations predominate in older age groups. CONCLUSIONS: Low-energy trauma was responsible for the largest and costliest part of the fracture panorama. In fact, almost all fractures in middle-aged and old people were caused by low-energy mechanisms; thus, most fractures in these patients have a fragility component, and the contribution of osteoporosis-related fractures is more important than previously thought. A better understanding of injury mechanisms also in low-energy trauma is a prerequisite for preventive interventions.

Child behaviour after anaesthesia: associated risk factors.

AIM: To identify hospital care factors which are associated with problematic behaviours in children after hospitalization. METHOD: A cohort of 340 children ages 2-13 was studied in connection with elective procedures which included anaesthesia. DATA COLLECTED: sociodemographic, type of procedure, anaesthesia induction technique and premedication. Staff and parents assessed child anxiety at induction of anaesthesia, pain, anxiety and nausea in recovery room and hospital ward. Parents assessed their child's pain and nausea and the behaviour measured with the Post Hospital Behavioural Questionnaire two weeks after hospitalization. RESULTS: One-third (34.4 %) of the children developed at least one problematic behaviour, measured by the PHBQ subscales. Multiple logistic regression identified the following risk factors: age <5, pain at home but not at hospital, nausea, child anxiety at anaesthesia induction, postoperative nausea, postoperative distress, previous hospitalizations, living in a one adult family and having some previous problematic behaviours. Moderate-to-severe pain at home, but not at hospital, was associated with the greatest risk (OR 6.39 CI: 3.53-11.6). Previous anaesthesia, midazolam use in premedication and living in rural areas seemed to be protective factors. CONCLUSION: Pain at home but not in hospital is a strong risk factor for the onset or worsening of problematic behaviour after childhood hospitalization, which included anaesthesia. Proactive interventions are suggested to prevent this by improving pain treatment at home.

Work stress and low emotional support is associated with increased risk of future type 2 diabetes in women.

A case-referent study nested within a population-based health survey investigated the associations between psychosocial stress, such as work stress and low emotional support, and future development of type 2 diabetes among occupationally working middle-aged men and women. All participants in a health survey conducted during 1989-2000 (n=33,336) in Umeå in northern Sweden, were included. We identified 191 cases, who were not diabetic initially but were diagnosed with type 2 diabetes after 5.4+/-2.6 years. Two age- and sex-matched referents were selected for each case. Multivariate logistic regression analyses and interaction effects between variables were evaluated. In women, passive or tense working situations were associated with future type 2 diabetes with odds ratios 3.6 (95% confidence interval 1.1-11.7) and 3.6 (1.0-13.3), respectively, and also low emotional support 3.0 (1.3-7.0). These associations were not seen in men. In women, they remained after adjustment for BMI, civil status and educational level, and there were also tendencies for interactions between work stress and low emotional support. In conclusion, work stress and low emotional support may increase the risk of type 2 diabetes in women, but not in men. These findings contribute to our understanding of psychosocial stress as potential risk factors for type 2 diabetes in a Swedish population.

A combination of HbA1c, fasting glucose and BMI is effective in screening for individuals at risk of future type 2 diabetes: OGTT is not needed.

OBJECTIVE: To identify a screening model that predicts high risk of future type 2 diabetes and is useful in clinical practice. DESIGN AND METHODS: Incident case-referent study nested within a population-based health survey. We compared screening models with three risk criteria and calculated sensitivity, specificity, positive (PPV) and negative (NPV) predictive values and attributable proportion. We used fasting plasma glucose (FPG) alone or with an oral glucose tolerance test (OGTT), glycosylated haemoglobin A (HbA1c) (normal range 3.6-5.3%), body mass index (BMI), triglycerides and family history of diabetes (FHD). SETTING: Participants in a health survey at all primary care centres (n=33,336) and subjects with diagnosed type 2 diabetes in primary and hospital care (n=6088) in Umeå during 1989-2001. SUBJECTS: Each of the 164 subjects who developed clinically diagnosed type 2 diabetes (median time to diagnosis of 5.4 years) and 304 sex- and age-matched referents without diabetes diagnosis. RESULTS: Screening models with at least one criterion present had sensitivities of 0.90-0.96, specificities of 0.43-0.57 and PPVs of 8-9%. Combinations of the criteria, FPG>or=6.1 mmol L-1 (capillary plasma), HbA1c>or=4.7% and BMI>or=27 in men and BMI>or=30 in women, had sensitivities, specificities and PPVs of 0.66%, 0.93% and 32%, and 0.52%, 0.97% and 46% respectively. Using FHD as one of three risk criteria showed comparable results. Addition of triglycerides or OGTT did not improve the prediction. CONCLUSIONS: The combination of HbA1c, FPG and BMI are effective in screening for individuals at risk of future clinical diagnosis of type 2 diabetes. OGTT or FHD is not necessary.

Decreased density of serotonin 5-HT2A receptors in rheumatoid arthritis.

BACKGROUND: Animal studies have indicated that 5-HT2A receptors could play a role in arthritic diseases. OBJECTIVE: To analyse the binding properties of 5-HT2A receptors in patients with rheumatoid arthritis. METHODS: Using a radioactive binding assay, 43 patients with rheumatoid arthritis were compared with 49 sex and age matched controls for density and affinity (measured as Bmax and Kd) of 5-HT2A serotonin receptors. Genotyping, using polymerase chain reaction, was undertaken to exclude the possibility that differences in the genetic polymorphism T102C for the 5-HT2A receptor determine differences in receptor density. RESULTS: Mean of Bmax of 5-HT2A receptors in rheumatoid patients was significantly lower than in controls, at 45.3 v 57.4 fmol/mg protein (p = 0.004), but there was no significant difference in Kd. The T102C receptor polymorphism genotypes showed a skewed distribution between the two groups. Even when adjusted for this, there was a significant difference in Bmax between the groups. CONCLUSIONS: The density of 5-HT2A serotonin receptors in patients with rheumatoid arthritis is markedly reduced. This could either reflect a difference involved in the susceptibility to the disease or be a secondary effect of the disease.

Cheyne-Stokes respiration and supine dependency.

The influence of position during sleep on central apnoeas during Cheyne-Stokes respiration has not previously been studied systematically. The current authors aimed to study the effect of body position and sleep stages on central sleep apnoeas during Cheyne-Stokes respiration. A total of 20 consecutive patients with cardiovascular diseases and central sleep apnoea during Cheyne-Stokes respiration were investigated using nocturnal polysomnography, including a body position sensor mounted on the patient's sternum. The mean central apnoea-hypopnoea index was significantly higher in the supine position than in nonsupine positions (41+/-13 versus 26+/-12). The central apnoea-hypopnoea index was highest in sleep stages 1 and 2, and lowest in slow-wave sleep and rapid eye movement sleep. In every sleep stage, central apnoeas and hypopnoeas were more prevalent in the supine position compared with nonsupine positions. In conclusion, sleep in the supine body position increases the frequency of apnoeas and hypopnoeas in patients with Cheyne-Stokes respiration.

Detection of approximal caries in 5-year-old Swedish children.

The aim was to assess how accurately some commonly used risk factors/risk markers (predictors) for caries development could identify children with and without approximal caries as judged from bitewing radiography. Two hundred and sixty-seven consecutive 5-year-old children from two Swedish cities participated. Three experienced dentists examined the children. The predictors were the overall dmfs (decayed, missing and filled surfaces) value (canines and molars), the number of occlusal dmfs, the frequency of intake of between-meal sugary products, visible plaque on free smooth surfaces of second primary molars, toothbrushing habits and (before bitewing examination) an overall judgement by the examining dentist. The mean dmfs value without bitewing examination was 0.40 (SD = 1.22). Twelve percent of the children had at least one dentin lesion and 33% at least one enamel lesion that were detected from bitewing examination only. The gain from adding bitewing examination to clinical examination amounted to a mean of 1.2 approximal enamel and/or dentin lesions. The ability to correctly identify children with approximal caries from the predictors was limited; sensitivity ranged from 0.27 to 0.75 and specificity ranged from 0.41 to 0.93. The single best predictor was the dentist's overall judgement with an average precision of 73%; average sensitivity for the presence of enamel and dentin lesions was 0.48 and for the presence of dentin lesions 0.66. The rest of the predictors added little to the predictive power. It is concluded that 33% of the 5-year-olds, representing a low caries prevalence population, benefited from bitewing examination. The ability to identify these children from the predictors was, however, limited.

Low-dose atorvastatin in severe chronic kidney disease patients: a randomized, controlled endpoint study.

OBJECTIVE: There have been no endpoint studies with statins for patients with severe renal failure. The purpose of this prospective, open, randomized, controlled study was to investigate whether atorvastatin (10 mg/day) would alter cardiovascular endpoints and the overall mortality rate of patients with chronic kidney disease stage 4 or 5 (creatinine clearance < 30 ml/min). MATERIAL AND METHODS: The study subjects comprised 143 patients who were randomized either to placebo (controls; n=73; mean age 69.5 years) or to treatment with atorvastatin (n=70; mean age 67.9 years). The patients included were either non-dialysis (n=33), haemodialysis (n=97) or peritoneal dialysis (n=13) patients. Analysis focused on the primary endpoints of all-cause mortality, non-lethal acute myocardial infarction, coronary artery bypass graft surgery and percutaneous transluminal coronary angioplasty. Statistical analysis for endpoint data was mainly by intention-to-treat. RESULTS: Primary endpoints occurred in 74% of the subjects. There was no difference in outcome between the control and atorvastatin groups. The 5-year endpoint-free survival rate from study entry was 20%. Atorvastatin was withdrawn in 20% of patients due to unacceptable side-effects. In the atorvastatin group, low-density lipoprotein (LDL) cholesterol was reduced by 35% at 1 month and then sustained. The controls showed a progressive reduction in LDL cholesterol until 36 months. CONCLUSIONS: Although atorvastatin reduced total and LDL cholesterol effectively it was not beneficial regarding the long-term outcomes of cardiovascular endpoints or survival. In contrast to other patient groups, patients with severe chronic kidney disease, especially those on dialysis, seem to derive limited benefit from this lower dose of atorvastatin.

Leptin, but not adiponectin, predicts stroke in males.

OBJECTIVE: To test whether leptin and adiponectin are risk markers for a first-ever stroke. RESEARCH DESIGN, METHODS AND SUBJECTS: A nested case-referent study identified 276 cases with first-ever stroke (234 cases with ischaemic and 42 with haemorrhagic stroke). Prior to the stroke, they had participated in population-based health surveys in northern Sweden (median time between survey and stroke was 4.9 years). Referents were matched for sex, age, date and type of health survey, and geographical region. Putative risk markers for first-ever stroke, including blood pressure (BP), diabetes, smoking, body mass index (BMI), cholesterol, leptin, and adiponectin, were analysed by conditional logistic regression analysis. RESULTS: Increased BMI, high cholesterol and fasting glucose levels, diabetes mellitus and hypertension were found in future stroke patients. Whereas leptin levels were higher in male subjects (P = 0.004), adiponectin did not differ between groups. A high leptin level independently predicted stroke in men (OR = 2.46; 95% CI 1.08-5.62) but not in women. Adiponectin levels did not predict stroke. Males with high leptin levels developed stroke faster than males with low leptin levels (P = 0.0009), independently of traditional risk factors. CONCLUSIONS: Leptin may be an important link to the development of cerebrovascular disease in men, whereas adiponectin does not associate with future stroke.

High incidence of type 2 diabetes and increasing conversion rates from impaired fasting glucose and impaired glucose tolerance to diabetes in Mauritius.

OBJECTIVE: To describe the incidence of different stages of glucose intolerance in a population from Mauritius followed over 11 years. RESEARCH DESIGN, METHODS AND SUBJECTS: Population-based surveys were undertaken in the multi-ethnic nation of Mauritius in 1987, 1992 and 1998 with 5083, 6616 and 6291 participants, respectively. Questionnaires, anthropometric measurements, and a 2-h 75-g oral glucose tolerance test were included. Three cohorts aged between 25 and 79 years with classifiable glucose tolerance data were identified; 3680 between 1987 and 1992, 4178 between 1992 and 1998, and 2631 between 1987 and 1998. Glucose tolerance was classified according to WHO 1999 criteria. RESULTS: The incidence rate of type 2 diabetes was higher between 1992 and 1998 than between 1987 and 1992. In men, the incidence was similar between cohorts (24.5 and 25.4 per 1000 person-years) whereas the incidence increased in women (23.3 and 16.4 per 1000 person-years). The incidence of diabetes peaked in the 45-54 year age group and then plateaued or fell. The incidences of impaired glucose tolerance (IGT) and impaired fasting glucose (IFG) decreased in both men and women. Of normoglycaemic subjects at baseline, more women than men developed IGT and more men than women developed IFG. Of those labelled as IFG in 1987, 38% developed diabetes after 11 years. The corresponding figure for IGT was 46%. CONCLUSIONS: In this study, we report changes in incidence rates of glucose intolerance over a 11-year period. In particular, differences between men and women were observed. The increased incidence of IGT in women compared with men, and increased incidence of IFG in men compared with women was consistent with, and explains the sex biases seen in the prevalences of these states.