FREQUENCY OF ORGAN-SPECIFIC AND NON ORGAN-SPECIFIC AUTOANTIBODIES IN THE ELDERLY

Author(s):  
María Inmaculada Alcalá Peña
Keyword(s):  
2020 ◽  
Vol 128 (06/07) ◽  
pp. 469-472
Author(s):  
Helena Kerp ◽  
Janina Gassen ◽  
Dagmar Führer

AbstractAge and sex impact prevalence and clinical features of thyroid disease. Thyroid dysfunction occurs with a higher frequency in elderly patients and females. Moreover, age alters clinical presentation of hyper- and hypothyroidism and onset of thyroid hormone (TH) related co-morbidities leading to increased risk for underdiagnosis and maltreatment in the elderly. Rodent models allow further insights into mechanisms of age- and sex-dependent TH action in target tissues. In this review, we summarize findings from mouse studies showing distinct effects of age and sex on systemic versus organ-specific TH action and discuss their wider implication for clinical care.


2000 ◽  
Vol 59 (3) ◽  
pp. 331-336 ◽  
Author(s):  
M. E. J. Lean

The rapidly rising prevalence of obesity, worldwide, has prompted re-evaluations of the definitions and diagnostic criteria, and of the extent of the burden it contributes to health care services. Although categorized arbitrarily for epidemiological purposes according to BMI > 25 kg/m2 (‘overweight’) and BMI > 30 kg/m2 (‘obese’), the disease itself (ICD code E.66) is the process of excess fat accumulation. It leads to multiple organ-specific pathological consequences, particularly if there is a tendency to intra-abdominal fat accumulation. The simplest field method to identify obesity and risk of medical problems is the waist circumference, and this method has found a special role in health promotion. Risks begin with waist > 80 cm (women) or > 94 cm (men). As a broad generalization, obesity produces few symptoms below the age of 40 years, but then several symptoms often develop; tiredness, breathlessness, back pain, arthritis, sweatiness, poor sleeping, depression and menstrual disorders all being common. The symptoms are often attributed to diseases in other body systems. Metabolic diseases like diabetes, hyperlipidaemia and, hypertension develop later, but the mean BMI at diagnosis of diabetes is 28 kg/m2. Ultimately, obesity increases the likelihood of myocardial infarction, stroke and several major cancers, but its biggest impact on health, especially in the elderly, is probably the multiplicity of effects on other body systems. The greatest challenge for public health is to develop effective preventive measures, recognizing that BMI > 25 kg/m2 before the age of 20 years is a very strong predictor of obesity and ill health in adulthood.


Author(s):  
Daniel Ayoubkhani ◽  
Kamlesh Khunti ◽  
Vahé Nafilyan ◽  
Thomas Maddox ◽  
Ben Humberstone ◽  
...  

AbstractObjectivesThe epidemiology of post-COVID syndrome (PCS) is currently undefined. We quantified rates of organ-specific impairment following recovery from COVID-19 hospitalisation compared with those in a matched control group, and how the rate ratio (RR) varies by age, sex, and ethnicity.DesignObservational, retrospective, matched cohort study.SettingNHS hospitals in England.Participants47,780 individuals (mean age 65 years, 55% male) in hospital with COVID-19 and discharged alive by 31 August 2020, matched to controls on demographic and clinical characteristics.Outcome measuresRates of hospital readmission, all-cause mortality, and diagnoses of respiratory, cardiovascular, metabolic, kidney and liver diseases until 30 September 2020.ResultsMean follow-up time was 140 days for COVID-19 cases and 153 days for controls. 766 (95% confidence interval: 753 to 779) readmissions and 320 (312 to 328) deaths per 1,000 person-years were observed in COVID-19 cases, 3.5 (3.4 to 3.6) and 7.7 (7.2 to 8.3) times greater, respectively, than in controls. Rates of respiratory, diabetes and cardiovascular events were also significantly elevated in COVID-19 cases, at 770 (758 to 783), 127 (122 to 132) and 126 (121 to 131) events per 1,000 person-years, respectively. RRs were greater for individuals aged <70 than ≥ 70 years, and in ethnic minority groups than the White population, with the biggest differences observed for respiratory disease: 10.5 [9.7 to 11.4] for <70 years versus 4.6 [4.3 to 4.8] for ≥ 70 years, and 11.4 (9.8 to 13.3) for Non-White versus 5.2 (5.0 to 5.5) for White.ConclusionsIndividuals discharged from hospital following COVID-19 face elevated rates of multi-organ dysfunction compared with background levels, and the increase in risk is neither confined to the elderly nor uniform across ethnicities. The diagnosis, treatment and prevention of PCS require integrated rather than organ- or disease-specific approaches. Urgent research is required to establish risk factors for PCS.


2013 ◽  
Vol 30 (11) ◽  
pp. 685-694 ◽  
Author(s):  
Wim-Jan P. van Boven ◽  
Wim B. Gerritsen ◽  
Antoine H. Driessen ◽  
Erik P. van Dongen ◽  
Robert J. Klautz ◽  
...  

Author(s):  
J. Jacob ◽  
M.F.M. Ismail

Ultrastructural changes have been shown to occur in the urinary bladder epithelium (urothelium) during the life span of humans. With increasing age, the luminal surface becomes more flexible and develops simple microvilli-like processes. Furthermore, the specialised asymmetric structure of the luminal plasma membrane is relatively more prominent in the young than in the elderly. The nature of the changes at the luminal surface is now explored by lectin-mediated adsorption visualised by scanning electron microscopy (SEM).Samples of young adult (21-31 y old) and elderly (58-82 y old) urothelia were fixed in buffered 2% glutaraldehyde for 10 m and washed with phosphate buffered saline (PBS) containing Ca++ and Mg++ at room temperature. They were incubated overnight at 4°C in 0.1 M ammonium chloride in PBS to block any remaining aldehyde groups. The samples were then allowed to stand in PBS at 37°C for 2 h before incubation at 37°C for 30 m with lectins. The lectins used were concanavalin A (Con A), wheat germ agglutinin (WGA), phytohaemagglutinin (PHA) and pokeweed mitogen (PWM) at a concentration of 500 mg/ml in PBS at pH 7.A.


1988 ◽  
Vol 52 (9) ◽  
pp. 516-518 ◽  
Author(s):  
J Mann ◽  
TJ Bomberg ◽  
JM Holtzman ◽  
DB Berkey
Keyword(s):  

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