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Query: UMLS:C0011849 (diabetes)
 277,896 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A total of 17,130 children of both sexes born in 1964 and living in Hungary, USSR, GDR and Cuba were examined in 1977. The children were grouped in upper (U) and lower (L) blood pressure groups and 3,640 children were re-examined in 1978-1981. The parents' age, smoking habits, marital status, the children's order of birth, number of siblings, and proportion of twins did not differ between U and L. The prevalence of hypertension and diabetes in the medical history of the children, and the prevalence of hypertension and stroke and diabetes in the medical history of the parents were significantly higher in U than in L. Signs of left ventricular hypertrophy and systolic murmurs, the magnitude of R and S waves in the ECG, and mean values of cardiothoracic and heart volume indices were higher in U than in L. Children in U were sexually more developed, taller, more obese (greater Quetelet's index and skinfold thickness) and less active physically. Average values of blood sugar and serum uric acid were also higher in U than in L. No difference was found between the two groups in the proportion of smokers and in mean cholesterol values. These differences between U and L were strengthened in comparison of children who showed repeatedly low (below the 30th percentile) or high (at or above the 70th, 90th and 95th percentile) readings in the SBP and DBP distribution curves. Since we did not find important differences when we related various factors to blood pressure taken on one or two separate occasions we emphasize the importance of casual blood pressure measurement in childhood.
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PMID:Blood pressure in childhood and adolescence. Results from an international collaborative study on juvenile hypertension. 387 90

In 1979, a community-wide hospital surveillance system was established in Monroe County, New York (population 702,000), to investigate the continuing contribution of uncontrolled high blood pressure (HBP) to the occurrence of stroke. This paper reports findings among 200 consecutive strokes in persons under 71 years of age. Average age was 58. There was a prestroke history of HBP in 129 (65 per cent) cases. Two-thirds of the 129 had other predisposing conditions (heart disease, diabetes, previous cerebrovascular accident) and 95 per cent had one or more other cardiovascular risk factors (smoking, elevated cholesterol, obesity). Over 90 per cent had visited a physician during the year prior to stroke (average of four visits). Elevated pressures (DBP greater than or equal to 95 or SBP greater than or equal to 160) were recorded at half or more of the visits for 45 per cent of the patients; these cases were classified as uncontrolled. Reduction of "unnecessary" strokes in persons under age 71 should be achievable by giving increased attention to those already under medical care for hypertension who have co-existing stroke risk conditions and cardiovascular risk factors.
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PMID:Community surveillance of stroke in persons under 70 years old: contribution of uncontrolled hypertension. 682 12

To determine the most frequent dyslipidemias among first-degree relatives of NIDDM patients, and its association with their glucose-tolerance status and hyperinsulinemia, we have started to examine members of NIDDM pedigrees, according to American Diabetes Association guidelines for nuclear family studies. In a large family with 2 NIDDM siblings in the 2nd generation, and 4 siblings with NIDDM in the 3rd generation, we have evaluated 14 first degree relatives and also 15 sex and aged matched healthy control subjects without family history of diabetes. The NIDDM relative group presented BMI = 31.8 +/- 3.9 kg/m2, SBP = 128 +/- 18.2 mmHg, DBP = 84 +/- 12.7 mmHg. Both relatives and controls were subjected to a 2h 75g OGTT for glucose and insulin determinations. Although none of NIDDM relatives has IGT, both Glycemic Area (GA) and Insulin Area (IA) were greater (p < 0.01) in the NIDDM relative group. The Insulin/Glucose ratio was also higher (p < 0.01) at 0 and 120 min of OGTT, this might be indirect evidence of Insulin- Resistance. Fasting serum lipids in the NIDDM relatives were TG = 148 +/- 24mg/dl, T-Chol = 244 +/- 10.7mg/dl, HDL-C = 34.2 +/- 2.5mg/dl; lipids in the control group were TG = 84.8 +/- 10.1mg/dl, T-Chol = 167 +/- 10.2mg/dl, HDL-C = 44.4 +/- 2.6mg/dl. Electrophoretic pattern showed type IIa (30.7%) and IIb (61.5%) hyperlipidemias in the NIDDM relatives. In this group, there was a positive and significant association between basal insulin and DBP (r = 0.67; p < 0.01), and between DBP and both TG (r = 0.74; p < 0.01)) and VLDL-C (r = 0.58; p < 0.05). It was also obtained a negative association between basal insulin and HDL-C (r = -0.89; p < 0.001). These data suggest that hyperinsulinemia in association with lipid abnormalities could appear early (before the development of Impaired Glucose Tolerance and Diabetes) in first degree relatives of NIDDM patients.
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PMID:[Dyslipidemia and hyperinsulinemia in normoglycemic-obese relatives of patients with non-insulin dependent diabetes mellitus]. 754 6

High blood pressure (BP) is a major factor contributing to the high incidence of cardiovascular morbidity and mortality in haemodialysis (HD) patients. According to predialysis casual BP measurements, long HD has been shown to provide good BP control. To confirm this result during the period between dialysis sessions, we performed ambulatory monitoring of BP in 91 non-selected HD patients (mean age, 58.7 (14.1) years; 14% incidence of nephrosclerosis and diabetes mellitus; treatment duration, 93.0 (77.2) months; 3 x 8 h/week, cuprophane, acetate buffer in 95% of the patients). Only one patient (1.1%) was receiving an antihypertensive medication. Ambulatory BP results were systolic (S) BP, 119.4 (19.9) mmHg; diastolic (D) BP, 70.6 (12.9) mmHg; mean (M) BP, 87.6 (13.9) mmHg. These values were significantly lower than the casual predialysis BP data and close to the reference values reported by Staessen et al. in a meta-analysis including 3476 normotensive subjects. The MBP was inversely correlated with the treatment duration, but not with interdialysis weight gain. The MBP increased significantly in the last part of the interdialysis period, and this rise was not correlated with the interdialysis weight gain. The nocturnal/diurnal ratios for SBP and DBP for the HD patients (0.97 and 0.92) were higher than the reference values reported by Staessen, (0.87 and 0.83), and argued against a nocturnal decrease in BP. We found that 52.1% of the patients had an abnormal nocturnal BP fall (MBP fall < 5%). This feature worsened during the second night of the interdialysis period.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:Interdialysis blood pressure control by long haemodialysis sessions. 870 Mar 76

Obesity, especially central, increases the risk of hypertension, hypertriglyceridaemia and diabetes to a significant extent. To determine whether dietary weight reduction can reduce blood pressure (BP) and other cardiovascular risk factors, 217 hypertensives were randomised to receive either 1600 Kcal/day diet (group A, n = 108) or the usual 2100 Kcal/day diet (group B, n = 109). Sodium intake and physical activity were kept similar in both groups. After 16 weeks of follow-up, patients in group A received significantly less energy leading to a 2.8 kg net reduction in mean weight in association with a significant net decrease in mean SBP and DBP (7.5/6.5 mm Hg) compared with nonsignificant changes in group B. There was a significant net decrease in mean total cholesterol (7.0%), low-density lipoprotein (LDL)-cholesterol (7.9%) and triglycerides (8.0%), with a significant net increase in high-density lipoprotein (HDL)-cholesterol (4.0%) in group A compared with group B. New risk factors such as glucose intolerance (8.0%) and central obesity (waist-hip girth ratio, 0.021) showed a significant net reduction compared with group B. Patients with central obesity and other associated disturbances showed maximal reduction in BP and other cardiovascular risk factors with a significantly greater increase in HDL-cholesterol. Mean doses of drugs were similar at entry to the study as well as after 16 weeks in both groups. It is possible that weight reduction due to a low caloric diet can moderate central obesity and associated disturbances in hypertensive subjects.
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PMID:Effect of low energy diet and weight loss on major risk factors, central obesity and associated disturbances in patients with essential hypertension. 762 73

The aim of this study was to evaluate the relationship between nocturnal blood pressure (BP) (by ambulatory blood pressure monitoring, ABPM) and urinary albumin excretion (UAE) in hypertensive patients with type II diabetes mellitus. We studied 179 essential hypertensives (WHO I-II), all males, with non-insulin-dependent diabetes. Non-invasive ABPM was performed by a fully automatic, portable device (Spacelabs 90202), set to take readings at 15-min intervals during both day-time 7 AM to 1 PM and nighttime (1 PM to 7 AM). According to the day/night reduction in mean blood pressure (MBP), three groups were identified: group I, nocturnal MBP reduction > 10%; group II, day/night MBP reduction of 5% to 10%; and group III, day/night MBP reduction < 5%. The mean values of UAE as well as the prevalence of microalbuminuria (UAE > 30 mg/24 h) were found to be significantly higher in group III as compared to the other two groups. Besides, in group III UAE displayed a significant negative relationship with the SBP and MBP (but not DBP) nocturnal drop and a positive relationship with the duration of hypertension and duration of diabetes. In group II, UAE was weakly correlated only with the duration of hypertension, whereas in group I no significant correlation was found between UAE and other parameters of the study. These results indicate that in hypertensive type II diabetic patients a blunted nocturnal BP fall is associated with higher UAE and increased prevalence of microalbuminuria. Whether the reduced day/night BP difference is the cause of consequence of target organ damage remains to be established.
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PMID:Urinary albumin excretion and nocturnal blood pressure in hypertensive patients with type II diabetes mellitus. 781 39

Besides defining the appropriate doses of frusemide in uraemic patients, A. Heidland's contribution to the treatment of hypertension in chronic renal failure consisted in the following demonstrations: (1) In patients on chronic haemodialysis, calcium antagonists have a beneficial effect on their glucose intolerance and decreased plasma levels of 25OH vitamin D while their effect on blood lipids is neutral. (2) In 5/6 nephrectomized rats, captopril, verapamil, and metoprolol have the same protective effect on their GFR and tubular secretion of protons, at equal blood-pressure-lowering effect. (3) In rats with streptozotocin-induced diabetes, atrial natriuretic peptide does not play a role in their hyperfiltration. (4) Severe retinopathy is observed in patients with uraemic nephropathies at a much smaller elevation of their blood pressure than in patients with essential hypertension. This article reviews the following points: (1) The role of hypertension in the loss of renal function is convincingly demonstrated only in a few experimental models, and in man only in malignant hypertension and diabetic nephropathy but not in essential hypertension nor in non-diabetic nephropathy. However, preliminary results suggests that antihypertensive treatment may retard the progression of renal disease in normotensive patients (DBP <90 mmHg) with either microalbuminuric diabetes and normal renal function or non-diabetic uraemic nephropathy. (2) Only the ACE inhibitors have been proved to have a specific renal protective effect, independent of their diurnal blood-pressure-lowering effect, both in diabetic nephropathy and in non-diabetic uraemic nephropathy.
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PMID:Hypertension and progression of renal insufficiency. 807 21

To investigate whether the hyperinsulinemia observed in essential hypertensive subjects anticipates the onset of hypertension, and if it may play a role in predisposing to hypertension, we examined the relationships between fasting insulinemia (F.IRI), C-peptide (C-pep), and some known predictive factors of essential hypertension (EH), such as prehypertensive blood pressure, erythrocyte sodium concentration (ESC) and family history of hypertension. Sixty-two normotensive, lean, euglycemic subjects with no family history of diabetes were subdivided in 2 groups: 32 subjects without (F-) and 30 with (F+) family history of EH (at least one parent). The groups were matched for age, sex and body mass index. Systolic (SBP) and diastolic (DBP) blood pressures (p < 0.01 and p < 0.025, respectively), F.IRI (p < 0.0005), C-pep (p < 0.005), and ESC (p < 0.025) were significantly higher, and glucose/insulin ratio (p < 0.0005) lower in F+ than in F-. SBP (r = 0.43, p < 0.001) and DBP (r = 0.415, p < 0.001) were directly correlated to F.IRI and C-pep (respectively r = 0.418, p < 0.001 and r = 0.368, p < 0.01). A direct correlation was also found between mean blood pressure and ESC (r = 0.297, p < 0.05) and between ESC and F.IRI (r = 0.320, p < 0.05). In a separate analysis on the 2 subgroups F+ and F-, the above mentioned parameters were still correlated in the group with but not in the group without family history of hypertension.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:[Insulinemia and intraerythrocytic sodium in normotensive normal-weight subjects with and without a family history for essential arterial hypertension]. 808 13

Coronary heart disease (CHD) is still relatively uncommon in the black population of South Africa. We embarked on a study to determine the prevalence of risk factors leading to CHD in the black population of Durban. The study sample was selected from patients attending a dental clinic at a hospital. A total of 458 Zulus (age range 16-69 years) were studied. The prevalence of CHD was 2.4%. The prevalence percentage of selected risk factors were: hypertension (SBP > or = 140 mmHg and/or a DBP > or = 90 mmHg) was 28%, males 31.9%, females 25.4%; protective levels of high density lipoprotein cholesterol/total cholesterol (HDLC/TC) (> or = 20%) were 81.3%; diabetes, males 4.9%, females 2.9%; smoking > or = ten cigarettes per day, males 28.1%, females 3.4%; obesity, males 3.7%, females 22.6%. We have found the Minnesota Coding System for ECG changes of CHD and Rose questionnaire to be unreliable for eliciting CHD in Blacks. Hypercholesterolaemia is less common and this may explain the low incidence of CHD in Blacks. Epidemics of CHD as seen in the Indian, 'mixed' and white South Africans can still be prevented in the black population but preventive measures must be instituted rapidly.
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PMID:Study of risk factors leading to coronary heart disease in urban Zulus. 811 40

The aim of this study was to evaluate the action of trandolapril on blood glucose control and microalbuminuria in mild to moderate hypertensive in patients with non-insulin-dependent diabetes. Sixty-seven patients, aged between 33 and 79, were enrolled. After a two week placebo run-in period, treatment with trandolapril as monotherapy was given for 3 months. The dose of trandolapril was adjusted between 1 and 4 mg/day according to antihypertensive response. Patients were assessed clinically and by laboratory investigations each month. Two patients were excluded from efficacy analysis because of major protocol deviations. Mean DBP fell, under the influence of treatment, from 101 +/- 5 mmHg to 82 +/- 7 mmHg (p < 0.0001) and mean SBP from 171 +/- 9 mmHg tp 147 +/- 11 mmHG (p < 0.0001). At three months, 54 patients (84%) had a DBP < or = 90 mmHg. Microalbuminuria decreased significantly (p = 0.03) during treatment. Microalbuminuria returned to normal in 11 of the 13 patients in whom the baseline value was above 21 micrograms/min and increased to above normal in 2 of the 26 patients who had a normal baseline value. Blood glycosylated hemoglobin, fructosamine, glucose and creatinine, and creatinine clearance remained stable. Plasma potassium rose slightly in 7 patients. Six adverse events were reported (4 coughs, 1 peripheral edema, 1 plantar mal perforans). One patient died from pulmonary embolism. In conclusion, trandolapril is an effective antihypertensive agent in hypertensive diabetics. Trandolapril causes a significant decrease in microalbuminuria and does not interfere with blood glucose control in these patients.
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PMID:[Action of trandolapril on the blood glucose balance and microalbuminuria in hypertensive diabetics]. 817 83


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