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48 active trials for Elderly

BETA Study: Improving Balance Function in Elderly by Progressive and Specific Training and Physical Activity

Balance control, physical activity and health related quality of life will be assessed before and after a 10 to 12 weeks training program as well as 6 and 12 months thereafter in 200 elderly (>60) with balance problems (100 with osteoporosis, 100 with Parkinson's disease). Osteoporosis subjects will be assigned to 3 groups (balance training, balance training and Nordic walking, or control group) and Parkinson's subjects to 2 groups (balance training or a control group). The training will be progressive and specific incorporating dual task exercises (directly related to an increased risk of falling). Clinical and laboratory gait and balance measures as well as questionnaires will be used to assess physical function and quality of life. An earlier study, investigating this training program in healthy elderly with balance problems showed that the training was well-tolerated and effective, with a significant increase in balance control, physical function and activity. In this study, we expect that an improvement in balance function, physical activity and health related quality of life, which will lead to a decreased number of falls, prevent and/or postpone incidence of a hazardous fall and thereby reduce the burden on the health care system. Our model for functional balance training and outcome methods will expand techniques and tools available to physical therapists and health care scientist treating and evaluating patients with loss of balance function. Elderly receiving therapy with the goal to improve or recuperate physical function and balance will benefit from this project.

Start: January 2010
Norepinephrine Versus Phenylephrine for Preventing Spinal Anesthesia Induced Hypotension in Elderly

Various regimens were used for prevention of hypotension; most of these regimens included the use of vasopressors. Ephedrine is commonly used vasopressor for management and prophylaxis of hypotension; however, ephedrine is usually associated with tachycardia which increases oxygen consumption; thus, it might be potentially harmful in this special group of patients. Phenylephrine (PE) is another vasopressor which is characterized by ? agonistic activity. PE had been the preferred vasopressor for prophylaxis against post-spinal hypotension especially in obstetric population. it was reported that PE improved the intraoperative hemodynamic profile in elderly patients undergoing lower extremities orthopedic surgery under spinal anesthesia. PE (a pure ? agonist) was reported to decrease cardiac output which limit its use in patients with compromised cardiac contractility; this fact makes the use of PE in elderly patients questionable. Norepinephrine (NE) is characterized by ? agonistic and weak ? agonistic activity; thus, NE is characterized by less cardiac depression compared to PE. NE was recently introduced for prophylaxis against post-spinal hypotension in obstetric anesthesia. In non-obstetric population, although, NE infusion effectively maintained patients hemodynamics during general anesthesia, its use during spinal anesthesia was not adequately evaluated in elderly population

Start: December 2019
AGNES - Aging Nephropathy Study, a Prospective Observational Cohort of Chronic Kidney Disease in Elderly Patients

With aging population, a high prevalence of obesity, systemic arterial hypertension and diabetes mellitus, we are facing an increased incidence of elderly patients with chronic kidney disease (CKD) initiating renal replacement therapy. The correct diagnosis of CKD, the prognosis of the elderly patient with CKD, mainly comparing initiate dialysis vs. remain in conservative treatment, the nutritional prognostic markers (sarcopenia), cardiovascular, mineral and bone metabolism, geriatric syndromes and sleep disorders are still debatable. Elderly patients are usually excluded from clinical trials and the scientific evidence is either scarce or based on retrospective data. Thus, the present study is a prospective cohort to evaluate the long-term evolution of patients ? 70 years with stage 4 or 5 CKD. The main outcomes are mortality and dialysis. These endpoints will be correlated with: geriatric syndromes, markers of mineral and bone metabolism (calcium, phosphorus, Klotho, parathormone,fibroblast growth factor 23, fibroblast growth factor 21, 25(OH) vitamin D and 1,25 vitamin D), cognitive decline, clinical demographic and biochemical data, bone densitometry and echocardiography, and sleep data. Patients will be follow-up at the nephrology outpatient clinic of the Hospital das Clinicas, Universidade de Sao Paulo. The sample size was calculated to be 500 subjects. The summary methodology will include: broad geriatric assessment, cognition test, fragility, Charlson comorbidity scores, biochemical measurements of urea, creatinine, alkaline phosphatase, parathyroid hormone, calcium, phosphorus, vitamin D, vitamin B12, folic acid, thyroid hormones, hepatitis virus, serum albumin, albumin/creatinine ratio, protein/creatinine ratio, 24-h urinary protein, skull tomography, bone densitometry, ambulatory blood pressure monitoring, actigraphy, polysomnography, Epworth Sleepiness Scale, Pitssburgh questionnaire and segmental electric bioimpedance

Start: September 2019