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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Munksgaard International Publishers
    Allergy 57 (2002), S. 0 
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background: Italian data on the prevalence of allergic rhinitis are sparse and with wide variations, maybe because of different diagnostic criteria and methods of investigation. This study analyzes the information on rhinitis collected in northern Italy through standardized methods within the European Community Respiratory Health Survey.Methods: A screening questionnaire was sent by mail to a random sample of the general population aged 20–44 years, and nonresponders were contacted again by phone, achieving a final response rate of 86% (6031/7000). Among the responders, 914 randomly selected underwent a standardized clinical interview, skin prick test (SPT) and total and specific immunoglobulin (Ig)E determination.Results: The overall prevalence of self-reported allergic rhinitis was 15.9% (95% CI 15.0–16.8%). Allergic rhinitis was more common in men below 35 years and in women older than that (P = 0.006), in urban areas (P 〈 0.001) and in early responders (P 〈 0.001). A larger percentage of subjects (37.7%) reported nasal symptoms when exposed to indoor or outdoor allergens. Atopy was present in 79% of the subjects reporting allergic rhinitis.Conclusions: This study demonstrates that the prevalence of allergic rhinitis in northern Italy is similar to the prevalence observed in other European countries and that this disease is more common in urban areas.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background:  Variations in the prevalence of respiratory symptoms according to geo-climatic factors could provide important clues to the knowledge of the aetiology of asthma.Methods:  Geo-climatic variations in the prevalence of current asthma, allergic rhinitis and chronic cough, and phlegm were assessed on a random sample of 18 873 subjects (response rate = 72.7%) from different climatic regions of Italy. An ecological analysis, supported by robust statistical methods, was employed to investigate potential trends.Results:  The prevalence of all symptoms was significantly heterogeneous throughout the peninsula. Only asthma-like symptoms showed a north–south trend: the prevalence increased at a decreasing latitude [odds ratio (OR) varies from 0.92 to 0.96, P 〈 0.05], at a decreasing distance from the sea (OR: 0.90–0.93 for 30 km distance, P 〈 0.05), at higher annual mean temperatures (OR: 1.11–1.14, P 〈 0.05) and at smaller annual temperature ranges (OR: 0.94–0.95, P 〈 0.05). Of the geo-climatic variables considered, temperature range had the greatest influence on most asthma-like symptoms. No association was found between geo-climatic variables and allergic rhinitis or chronic cough and phlegm.Conclusions:  Asthma prevalence seems to be significantly affected by climate as asthma-like symptoms were more common in central-southern Italy, with a Mediterranean climate, than in areas with a continental climate (northern Italy).
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1569-8041
    Keywords: bone marrow ; monoclonal antibodies ; small-cell lung cancer ; survival ; tumor markers
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Immunocytochemistry has been proven able to identify tumor cells in bone marrow aspirate (BMA) of patients with SCLC. However, few data exist about the clinical significance of the procedure. Patients and methods: 108 BMA taken from 60 patients were incubated with the MoAb MLuC1 (cluster 6) and stained by the APAAP (alkaline phosphatase-antialkaline phosphatase) method. The serum levels of LDH, TPA, NSE and CEA were also studied in relation to bone marrow involvement by means of discriminant analysis. Results: Immunocytochemistry of the aspirate with MLuC1 detected positive cells in 23 patients (38%) (38 of 108 samples) vs. 13% of the conventional biopsies studied without MLuC1 (P 〈 0.001). With respect to bone marrow positivity, three groups of patients were identified: those with no positive cells in the aspirate and negative biopsy (group A); those with less than 10 positive cells in the aspirate and negative biopsy (group B); and those with more than 10 positive cells or clumps in the aspirate or positive biopsy (group C). Group C patients had poorer median survivals than those in the other two groups (5.5. vs. 11 months, respectively, P = 0.01). Discriminant analysis showed that the four serum markers were poor discriminators of the degree of bone marrow involvement, with only 55% of grouped cases being correctly classified. Conclusions: These results show that detection of bone marrow involvement i) can be improved by the use of MLuC1 ii) is not predictable by conventional tumor markers, and iii) is related to poor outcome.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-0428
    Keywords: Key words Diabetes mellitus ; epidemiology ; mortality ; population survey ; therapy.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary This population-based survey aimed to determine the prevalence of known diabetes mellitus on 31 December 1986, and to assess all-cause mortality in the subsequent 5 years (1987–1991) in Verona, Italy. In the study of prevalence, 5996 patients were identified by three independent sources: family physicians, diabetes clinics, and drug prescriptions for diabetes. Mortality was assessed by matching all death certificates of Verona in 1987–1991 with the diabetic cohort. Overall diabetes prevalence was 2.61 % (95 % confidence interval 2.56–2.67). Prevalence of insulin-dependent and non-insulin-dependent diabetes mellitus was 0.069 % (0.059–0.078) and 2.49 % (2.43–2.54), respectively. Diabetes prevalence sharply increased after age 35 years up to age 75–79, and finally declined. Prevalence was higher in men up to age 69 years, in women after age 75 years. Of the diabetic cohort 1260 patients (592 men, 668 women) died by 31 December 1991, yielding an overall standardized mortality ratio of 1.46 (CI 1.38–1.54). Even though the differences narrowed with age, mortality rates in the diabetic cohort were higher than in the non-diabetic population at all ages. Women aged 65–74 years showed observed/expected ratio higher than men (2.27, CI 1.92–2.66, vs 1.50, CI 1.30–1.72), while in other age groups the sex-related differences were not significant. Pharmacological treatment of diabetes was associated with an excess mortality, while treatment with diet alone showed an apparent protective effect on mortality (observed/expected ratio 0.73, CI 0.58–0.92). In conclusion, in Verona diabetes has a prevalence similar to that of other European countries, and is associated with an excess mortality which is observed in both sexes, at all ages, and with any anti-diabetic pharmacologic treatment. Diet-treated diabetes seems to be associated with a significant reduction in the mortality risk. [Diabetologia (1995) 38: 318–325]
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-0428
    Keywords: Key words Non-insulin-dependent diabetes mellitus ; mortality ; elderly ; hyperglycaemia ; glucose control.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The aim of this study was to evaluate whether long-term glucose control, as assessed by fasting plasma glucose determinations during 3 years, is a predictor of all-cause mortality in elderly NIDDM patients. Five hundred and sixty-six NIDDM patients attending the Verona Diabetes Clinic, aged 75 years and over, were followed-up from 1 January 1987 to 31 December 1991 to assess all-cause mortality. From their clinical records all fasting plasma glucose determinations available for the years 1984 to 1986 were collected and analysed. Patients were grouped in tertiles according to mean (M-FPG), coefficient of variation (CV-FPG) and trend over time (slope, S-FPG) of fasting plasma glucose during the period of retrospective evaluation. Mortality was assessed by observed/expected ratios, univariate Kaplan-Meier survival analysis and multivariate Poisson regression model. By 31 December 1991, 61 men and 127 women had died. Increased observed/expected ratios were found in women from the top M-FPG tertile, in patients (men and women) from the top CV-FPG tertile and in patients with a S-FPG less than –0.30 mmol/l per year (lowest tertile). Patients in the lowest tertile of CV-FPG and in the middle tertile of S-FPG had a reduced mortality risk. Kaplan-Meier survival analysis indicated that patients with high CV-FPG as well as those in tertiles I and III of S-FPG (i.e., those with a definitely negative or definitely positive slope) had an increased probability of dying, without any significant differences between the three tertiles of M-FPG. Poisson regression model showed that CV-FPG, but not M-FPG or S-FPG, was an independent significant predictor of mortality. These results suggest that glucose stability needs to be considered along with the absolute level of metabolic control when treating elderly NIDDM patients. [Diabetologia (1995) 38: 672–679]
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-0428
    Keywords: Diabetes mellitus ; epidemiology ; mortality ; population survey ; therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary This population-based survey aimed to determine the prevalence of known diabetes mellitus on 31 December 1986, and to assess all-cause mortality in the subsequent 5 years (1987–1991) in Verona, Italy. In the study of prevalence, 5996 patients were identified by three independent sources: family physicians, diabetes clinics, and drug prescriptions for diabetes. Mortality was assessed by matching all death certificates of Verona in 1987–1991 with the diabetic cohort. Overall diabetes prevalence was 2.61% (95% confidence interval 2.56–2.67). Prevalence of insulin-dependent and non-insulin-dependent diabetes mellitus was 0.069% (0.059–0.078) and 2.49% (2.43–2.54), respectively. Diabetes prevalence sharply increased after age 35 years up to age 75–79, and finally declined. Prevalence was higher in men up to age 69 years, in women after age 75 years. Of the diabetic cohort 1260 patients (592 men, 668 women) died by 31 December 1991, yielding an overall standardized mortality ratio of 1.46 (CI 1.38–1.54). Even though the differences narrowed with age, mortality rates in the diabetic cohort were higher than in the non-diabetic population at all ages. Women aged 65–74 years showed observed/expected ratio higher than men (2.27, CI 1.92–2.66, vs 1.50, CI 1.30–1.72), while in other age groups the sex-related differences were not significant. Pharmacological treatment of diabetes was associated with an excess mortality, while treatment with diet alone showed an apparent protective effect on mortality (observed/expected ratio 0.73, CI 0.58–0.92). In conclusion, in Verona diabetes has a prevalence similar to that of other European countries, and is associated with an excess mortality which is observed in both sexes, at all ages, and with any anti-diabetic pharmacologic treatment. Diet-treated diabetes seems to be associated with a significant reduction in the mortality risk.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-0428
    Keywords: Non-insulin-dependent diabetes mellitus ; mortality ; elderly ; hyperglycaemia ; glucose control
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The aim of this study was to evaluate whether long-term glucose control, as assessed by fasting plasma glucose determinations during 3 years, is a predictor of all-cause mortality in elderly NIDDM patients. Five hundred and sixty-six NIDDM patients attending the Verona Diabetes Clinic, aged 75 years and over, were followed-up from 1 January 1987 to 31 December 1991 to assess all-cause mortality. From their clinical records all fasting plasma glucose determinations available for the years 1984 to 1986 were collected and analysed. Patients were grouped in tertiles according to mean (M-FPG), coefficient of variation (CV-FPG) and trend over time (slope, S-FPG) of fasting plasma glucose during the period of retrospective evaluation. Mortality was assessed by observed/expected ratios, univariate Kaplan-Meier survival analysis and multivariate Poisson regression model. By 31 December 1991, 61 men and 127 women had died. Increased observed/expected ratios were found in women from the top M-FPG tertile, in patients (men and women) from the top CV-FPG tertile and in patients with a S-FPG less than −0.30 mmol/l per year (lowest tertile). Patients in the lowest tertile of CV-FPG and in the middle tertile of S-FPG had a reduced mortality risk. Kaplan-Meier survival analysis indicated that patients with high CV-FPG as well as those in tertiles I and III of S-FPG (i.e., those with a definitely negative or definitely positive slope) had an increased probability of dying, without any significant differences between the three tertiles of M-FPG. Poisson regression model showed that CV-FPG, but not M-FPG or S-FPG, was an independent significant predictor of mortality. These results suggest that glucose stability needs to be considered along with the absolute level of metabolic control when treating elderly NIDDM patients.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Pflügers Archiv 410 (1987), S. 495-500 
    ISSN: 1432-2013
    Keywords: Alpha-1 adrenoceptors ; Heart rate ; Amidephrine ; Stellate ganglion stimulation ; Prazosin ; Intracoronary injection
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract To study the possible role of cardiac postsynaptic alpha-1 adrenoceptors in heart rate control of the anaesthetized open-chest dog we injected a specific alpha-1 agonist (amidephrine) into the right coronary artery or stimulated electrically the right stellate ganglion. Reflex influences were minimized by bilateral cervical vagotomy and de-afferentiation of both stellate ganglia. Activation of alpha-2, beta- and muscarinic receptors was prevented by intravenous administration of yohimbine, propranolol and atropine, respectively. Since alpha-1 receptor stimulation could affect heart rate indirectly via coronary constriction, a continuous intracoronary infusion of adenosine (0.25 mg/kg/h) was given. Amidephrine did not affect heart rate at the lower dose (1–10 μg). After the highest dose (100 μg) the maximum variation in heart rate was an increase of 2.2±1.1 bpm at 3 min after injection (mean±SEM;P〈0.05). This slight cardioacceleration was simultaneous with an aortic pressure rise of 13.8±3.4 mm Hg and it was abolished by alpha-1 blockade with prazosin (1 mg/kg i.v.). After propranolol (1 mg/kg+0.5 mg/kg/h) the residual positive chronotropic effect of sympathetic stimulation (12.2±4.0 bpm) was not significantly altered (13.8±5.7 bpm) by prazosin administration. Similar results were recorded without adenosine infusion. We conclude that in the anaesthetized dog chronotropic effects directly mediated by alpha-1 adrenoceptors either do not exist or lack physiological significance.
    Type of Medium: Electronic Resource
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