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

Survival of 312 patients with acute myocardial infarction was studied from data collected during the first 48 h in the coronary care unit. Only patients with recent onset of symptoms (48 h), with a 48-h survival, and with evidence of myocardial infarction, were selected. Mortality rate at 1 mth was 15.3% and 24.6% at 6. The following factors were significant for poor survival: increasing age, female sex, diabetes, previous angina, low blood pressure on admission and at the 48th h low average value and the lowest observed value of blood pressure, clinical and radiological left ventricular failure, high level of LDH, increased urea and leukocytosis. Among ECG data, the presence of signs related to extent of infarction, anterior as compared to inferior location, antero-lateral as compared to anterior, QRS frontal axis deviation, absence of sinus rhythm, sinus tachycardia, tachyarrhythmias with wide QRS complex, right bundle branch block, 3rd-degree AV block with wide QRS complex, was associated with significantly worse survival than the absence of these signs. A multivariate analysis of the 42 most significant data, assuming linear regression, was used to establish a discriminant prognostic index. Using this index, survival was predicted correctly in 90.2% of patients at 1 mth and 85.7% at 6 mth. Thus prognosis can be established in nonclear-cut groups of patients with myocardial infarction (severe and benign forms being excluded by criteria) from simple clinical data.
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PMID:Quantitative assessment of myocardial infarction prognosis to 1 and 6 mth--from clinical data. 72

Diabetic patients have an increased mortality following myocardial infarction (MI) due to left ventricular failure rather than larger infarcts or dysrhythmias. As this may be due to diabetic microangiopathy affecting the myocardium, we have examined the case records of diabetic clinic patients admitted to the Coronary Care Unit (CCU) with proven MI and compared the hospital outcome of those with and without retinopathy or nephropathy, i.e. markers for generalised microangiopathy. Sixty four consecutive records were traced, for the period when diabetic treatment policy was standardised in CCU, 24 patients had retinopathy (7 proteinuria). When compared to non-retinopathy patients they had similar ages 67 +/- 12 yr [+/- SD] v 63 +/- 9yr) but were of longer duration of diabetes p less than 0.05). There were no differences between the groups in size or site of infarct, previous infarct or hypertension history, blood glucose on admission or diabetic treatment before or after admission. Death occurred in 29% of retinopathy patients compared to 3% of non-retinopathy patients (p less than 0.01). Cardiac failure complicated 75% of retinopathy patients and 25% of non-retinopathy patients (p less than 0.001). Dysrhythmia occurred in 50% and 33% of patients respectively (P = NS). Nine patients had clinical peripheral vascular disease and five of these died. This study, of a selected group of diabetic clinic attenders admitted to CCU with acute MI, demonstrates that microangiopathy and peripheral vascular disease are important prognostic factors in determining hospital outcome as these patients are at increased risk of cardiac failure and death.
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PMID:Microangiopathy as a prognostic indicator in diabetic patients suffering from acute myocardial infarction. 160 65

We have studied 130 patients with diabetes mellitus and 455 patients without. All the patients were consecutively admitted to our Coronary Care Unit with their first myocardial infarction. We have observed a higher incidence of heart failure, in-hospital mortality, atrial fibrillation, conduction abnormalities, and post-infarction angina among diabetics. Nevertheless, diabetic patients do not show evidence of larger infarcts than those without diabetes. In our patients the higher mortality among diabetics is related to an increased occurrence of left ventricular failure. Moreover, post-infarction ischemic episodes are more common compared with non diabetics. Since infarcts in diabetics do not seem to be more extensive than in non diabetics, we suggest, in accordance with others, that the poorer outcome among diabetic patients with AMI could be related to an underlying cardiac dysfunction of diabetics in addition to coronary artery diseases.
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PMID:Clinical correlation between diabetic and non diabetic patients with myocardial infarction. 178 49

The primary aim of the study was to evaluate practice differences in reported morbidity in the second and third national morbidity surveys (1970/71, 1981/82) and to discuss their cause. A secondary aim concerned the validation of trends identified from analysis of the data from the total populations in the practices. Altogether 19 practices participated in both surveys. Annual prevalences (that is, the number of patients attending the general practitioner with a condition per 1000 persons at risk) were examined for: all conditions; each of three categories of seriousness of disease; diseases aggregated by chapter of the International classification of diseases; and each of 130 rubrics of the disease classification. Annual prevalence for 'all conditions' was approximately the same for males in both surveys, whereas for females there was an increase. In both sexes, annual prevalence for 'serious conditions' increased slightly and for 'trivial conditions' increased substantially. For 'intermediate conditions', there was a modest decrease in males. In the analysis at ICD chapter level, substantial increases in prevalence occurred in infectious diseases, nervous system diseases, circulatory diseases, genitourinary diseases, musculoskeletal diseases, symptoms, signs and ill-defined conditions, injuries and poisonings. Decreases were found in blood diseases, mental disorders and digestive diseases. Among 130 individual conditions examined, increased annual prevalence was found for mumps, fungal infections, hypothyroidism, diabetes, gout, senile dementia, angina, left heart failure, catarrh, hay fever and asthma, orchitis, acne, osteoarthritis and for some symptoms. Decreases were found for iron deficiency anaemia, anxiety state, refractive errors, haemorrhoids, chronic bronchitis, functional disorders of the stomach, carbuncle and skin infections.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:Changes in practice morbidity between the 1970 and 1981 national morbidity surveys. 187 71

The Captopril Prevention Project (CAPPP) is a prospective, randomized, multi-centre intervention trial designed to investigate whether antihypertensive treatment with the angiotensin converting enzyme (ACE) inhibitor captopril may reduce cardiovascular mortality and morbidity more than a therapeutic regimen which does not include an ACE inhibitor. Secondary objectives are to compare total mortality, the development or deterioration of ischaemic heart disease, left ventricular failure, atrial fibrillation, diabetes mellitus and possible differences in renal function in the two groups. Male and female patients with essential hypertension, aged 25-66 years, will be randomly allocated to antihypertensive treatment which will comprise either the use of the ACE inhibitor captopril or will exclude all types of ACE inhibitors. Some 275 hypertension centres and health care centres in Sweden and Finland will take part in this multi-centre trial. A total of 7000 patients will be recruited and studied for an average period of 5 years, the assumption being that a 20% difference in cardiovascular mortality between the two groups can be detected with a power of 80% at the 5% significance level (two-sided test).
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PMID:The Captopril Prevention Project: a prospective intervention trial of angiotensin converting enzyme inhibition in the treatment of hypertension. The CAPPP Group. 198 Dec 18

Data were obtained and analyzed in 229 patients admitted to the coronary care unit from November 1988 through July 1989. The patients were classified into 2 groups: patients without or with only mild left ventricular failure (Killip class I or II) during their hospital stay (group I), and patients who were in Killip class I or II on admission but developed cardiogenic shock during hospitalization (group II). Discriminant function analysis was performed using the following variables: patients' age, history of previous myocardial infarction, diabetes mellitus, blood lactate, urea, creatinine, creatine kinase, aspartate aminotransferase, lactate dehydrogenase concentrations, and chest x-ray cardiothoracic ratio. Variables that were found to significantly discriminate the 2 groups of patients were age, previous infarction, x-ray cardiothoracic ratio, blood urea and lactate concentrations. The risk index was computed, and blood lactate was the variable with the greatest predictive power for shock development. The sensitivity, specificity and predictive value of the risk index, taking various cutoff points, were calculated. With a cutoff value of 1, sensitivity was 65%, specificity 91%, positive predictive value 36% and negative predictive value 97%. With a cutoff value of 2, sensitivity was 53%, specificity 99%, positive predictive value 82% and negative predictive value 96%.
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PMID:Usefulness of blood lactate as a predictor of shock development in acute myocardial infarction. 200 Jul 87

We compare the clinical features and hospital outcomes in 83 diabetic patients admitted with acute myocardial infarction and 380 nondiabetic patients with levels of glycosylated hemoglobin (HbA1c) low enough to exclude undiagnosed diabetes. The hospital mortality was 42.2% in diabetic and 24.7% in nondiabetic patients, an odds ratio of 2.22 (CI 1.37-3.60, P less than .002). The excess mortality was due to cardiogenic shock and left ventricular failure (pump failure). There was no difference in peak levels of aspartate transaminase between the groups. Among the diabetic patients, the admission levels of plasma glucose and peak levels of aspartate transaminase were higher among those who developed pump failure or died, but there was no relationship between outcome and gender, disease duration, or treatment. Prior blood glucose control, as judged by levels of HbA1c, was not related to hospital outcome (P greater than .5). In a further study, the 83 diabetic patients were compared with 249 age- and sex-matched diabetic subjects without myocardial infarction for treatment, disease duration, and control. There was an increased risk of admission with myocardial infarction of 2.35 (CI 1.41-3.92, P less than .005) within the first 5 yr of diagnosis of diabetes. Infarct patients had significantly lower levels of HbA1c than control subjects (P less than .005), but treatment did not differ between groups. Neither incidence nor case fatality of myocardial infarction in diabetic patients is positively associated with cumulative glycemic exposure.
Diabetes Care 1988 Apr
PMID:Determinants of hospital admission and case fatality in diabetic patients with myocardial infarction. 340 92

Because the comparison of survival in patients with renal failure treated by dialysis and transplantation may be biased by pretreatment prognostic differences in the patients who receive these two therapies, we quantified the pretreatment prognosis of all 430 dialysis and transplant patients who began therapy for end-stage renal disease at two hospitals from 1970 to 1980. Five pretreatment factors had a statistically significant adverse effect on survival: age, duration of diabetes, left ventricular failure, myocardial infarction, and other serious comorbid illness. Dialysis patients had a worse pretreatment prognosis than transplant patients did. When we controlled for these pretreatment differences, the actuarial 5-year patient survivals were 80% for dialysis (D), 79% for cadaver transplantation (CT), and 91% for living donor transplantation (LDT), (P = 0.9 for CT vs. D, and P = 0.05 for LDT vs. D). This similarity in survival with dialysis and cadaver transplantation was quite different from the results obtained when pretreatment prognosis was not controlled; the uncontrolled 5-year patient survivals were 43% for D, 77% for CT, and 89% for LDT (P less than 0.001 for CT vs. D, and P less than 0.001 for LDT vs. D). Our data suggest that the major factor determining differences in survival with dialysis and renal transplantation is not the relative efficacy of the two treatments but the pretreatment prognostic status of the patients chosen to receive them.
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PMID:Prognostically controlled comparison of dialysis and renal transplantation. 638 20

Seventy-nine patients underwent repeat coronary angiographies five years after coronary bypass surgery. Ninety-eight of 122 inserted grafts (80%) were patent. Significant coronary obstruction (greater than 50% reduction of luminal diameter) developed in 43/79 patients (54%) and was associated with a longer duration of angina before surgery and a lower diastolic blood pressure at the five-year follow-up, but significantly related to such factors as age, sex, type of angina, previous myocardial infarction, hypertension, hyperlipaemia, diabetes or smoking. The total number of significant obstructions increased from 230 to 308 (34%). Progression of pre-existing changes to occlusion was common and the number of occlusions increased 95% in non-grafted arteries compared with 48% in grafted arteries until the five-year evaluation. Fifty-seven of 81 new significant obstructions (70%) were found in non-grafted coronary arteries. The proximal part of the right coronary artery was most commonly affected with 19/57 (33%) of these new obstructions. A significant stenosis regressed in three patients. At the five-year follow up, 74/79 patients (94%) had less symptoms than before operation and 27/79 patients (34%) were asymptomatic. Nine patients had no angina, despite non-bypassed significant obstructions. All grafts were patent in 25/27 asymptomatic patients (93%) and in 38/52 (73%) of those with angina. Two patients had no anginal symptoms, despite occluded grafts. One had sustained a myocardial infarction and the other had symptoms of left ventricular failure. Well-developed collateral vessels were observed in 15/27 asymptomatic patients (56%) and in 45/52 (87%) of those with angina. Recurrence of symptoms was related to progressive coronary disease, graft occlusions, obstruction of anastomoses, non-bypassed obstruction or combinations of these changes.
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PMID:Changes in coronary artery disease five years after coronary bypass surgery. 697 42

Between 1977 and 1990, 64 premenopausal women, under 50 years of age (42 +/- 5.6 years), were admitted for typical acute myocardial infarction with pathological Q waves. Twenty one patients had attempted myocardial revascularisation either by intravenous thrombolysis or primary angioplasty (n = 3). All patients underwent coronary angiography with selective left ventriculography during their hospital admission. This group of 64 women was characterised by the association of coronary risk factors (2.8 per patient): smoking (89%), hyperlipidaemia (67%), diabetes (45%) and oral contraception (35%). Coronary angiography showed single vessel occlusion in 86% of patients receiving oral contraception, multiple vessel disease in 36.5% and single or double vessel disease in 31.7% of the other patients. There were 3 deaths during the hospital period (4.6%), 12 cases of left ventricular failure, 2 ventricular aneurysms, 2 operated ischaemic mitral regurgitations and 9 recurrences of pain treated by angioplasty. During follow-up (36.5 +/- 4 months), 22 patients were readmitted to hospital and there were 3 further deaths, 12 cases of persistent cardiac failure, 10 cases of latent ventricular dysfunction and 9 ischaemic reoccurrences treated by angioplasty or surgery. The results in this group of patients suffering from myocardial infarction at an unusually early age for women showed that although the mortality was similar to that observed in men of the same age (9%) there was a very high morbidity and a high risk of cardiac failure. The prognosis of myocardial infarction in women, though better than 10 years ago, should improve with immediate revascularisation, the correction of cardiovascular risk factors and the rapid application of all techniques of modern cardiology.
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PMID:[Myocardial infarction in non-menopausal women. Coronary lesions and prognosis]. 764 94


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