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Limitations of studies with elderly

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https://www.readbyqxmd.com/read/28807851/toxic-pyrrolizidine-alkaloids-provide-a-warning-sign-to-overuse-of-the-ethnomedicine-arnebia-benthamii
#1
Latif Ahmad, He Yi, Jia-Chen Hao, Andrew Semotiuk, Quan-Ru Liu, Paras Mazari
ETHNOPHARMACOLOGICAL RELEVANCE: From early times man has used medicinal plants for the treatment of various ailments and basic health care needs. The use of herbal medicines has increased day by day and with this, so do reports of adverse events, poisoning, and suspected toxicity. Similarly, the indigenous communities of Neelum Valley in Azad Kashmir commonly use Arnebia benthamii (Wall. ex G.Don) I.M.Johnst. for medicinal purposes to treat various human aliments. Besides their medicinal uses, it also contains hepatotoxic pyrrolizidine alkaloids (PAs)...
August 11, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28807738/observed-benefit-and-safety-of-aflibercept-in-elderly-patients-with-metastatic-colorectal-cancer-an-age-based-analysis-from-the-randomized-placebo-controlled-phase-iii-velour-trial
#2
Paul Ruff, Eric Van Cutsem, Radek Lakomy, Jana Prausova, Guy A van Hazel, Vladimir M Moiseyenko, Karen Soussan-Lazard, Emmanuelle Dochy, Emmanuelle Magherini, Teresa Macarulla, Demetris Papamichael
OBJECTIVES: Aflibercept (ziv-aflibercept) significantly improves progression-free (PFS) and overall survival (OS) when added to 5-fluorouracil, leucovorin and irinotecan (FOLFIRI), compared with FOLFIRI alone, in patients with metastatic colorectal cancer previously treated with oxaliplatin-based therapy. This subset analysis of the VELOUR study investigates aflibercept plus FOLFIRI versus placebo plus FOLFIRI according to age. METHODS: Efficacy and safety were analyzed by treatment arm and age (≥ or <65years)...
August 12, 2017: Journal of Geriatric Oncology
https://www.readbyqxmd.com/read/28807429/the-incidence-and-trauma-mechanisms-of-acetabular-fractures-a-nationwide-study-in-finland-between-1997-and-2014
#3
Pasi P Rinne, Minna K Laitinen, Tuomas Huttunen, Pekka Kannus, Ville M Mattila
PURPOSE: Information on the incidence of acetabular fractures of the pelvis is limited. Epidemiological data is often based on specific trauma registers, individual trauma centres or on trends of all pelvic fractures grouped together. The primary aim of this study was to determine the incidence and trends of hospital-treated acetabular fractures in the Finnish population from 1997 to 2014. The secondary aim was to assess the trauma mechanisms involved. METHODS: The Finnish National Hospital Discharge Register collects inpatient data from all public and private medical institutions in Finland and covers the entire Finnish population of 5...
August 4, 2017: Injury
https://www.readbyqxmd.com/read/28806342/cognitive-abilities-and-quality-of-life-after-cochlear-implantation-in-the-elderly
#4
Marie-Hortense Sonnet, Bettina Montaut-Verient, Jean-Yves Niemier, Michel Hoen, Laurence Ribeyre, Cécile Parietti-Winkler
OBJECTIVE: To evaluate quality of life (QoL) and cognitive function in elderly patients with cochlear implants relative to auditory improvement, using geriatric validated scales. STUDY DESIGN: Prospective observational study. SETTING: A tertiary referral center for cochlear implantation (CI) and a geriatric center in Nancy, France. PATIENTS: Sixteen consecutive patients were included, from 65 to 80 years old, with postlingual severe-to-profound deafness...
September 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28805267/practices-in-the-evaluation-of-potential-kidney-transplant-recipients-who-are-elderly-a-survey-of-us-transplant-centers
#5
Didier A Mandelbrot, Aaron Fleishman, James R Rodrigue, Silas P Norman, Milagros Samaniego
Limited data exists regarding the evaluation and selection of older candidates for transplantation. To help guide the development of program protocols and help define research questions in this area, we surveyed US transplant centers regarding their current practices in the evaluation of older kidney transplant candidates. We emailed a 28-question survey to the medical and surgical directors of 190 adult kidney transplant programs in the US. We received usable responses from 59 programs, a 31.1% response rate...
August 14, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28804877/validation-of-a-geriatric-trauma-prognosis-calculator-a-p-a-l-li-a-t-e-consortium-study
#6
Allyson C Cook, Bellal Joseph, M Jane Mohler, Kenji Inaba, Brandon R Bruns, Paul A Nakonezny, Jeff D Kerby, Karen J Brasel, Steven E Wolf, Joseph Cuschieri, M Elizabeth Paulk, Ramona L Rhodes, Scott C Brakenridge, A Peter Ekeh, Herb A Phelan
BACKGROUND/OBJECTIVES: The P.A.L.Li.A.T.E. (prognostic assessment of life and limitations after trauma in the elderly) consortium has previously created a prognosis calculator for mortality after geriatric injury based on age, injury severity, and transfusion requirement called the geriatric trauma outcome score (GTOS). Here, we sought to create and validate a prognosis calculator called the geriatric trauma outcome score ii (GTOS II) estimating probability of unfavorable discharge. DESIGN: Retrospective cohort...
August 14, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28800595/elderly-road-collision-injury-outcomes-associated-with-seat-positions-and-seatbelt-use-in-a-rapidly-aging-society-a-case-study-in-south-korea
#7
Yuna Noh, Yoonjin Yoon
INTRODUCTION: Aging has long been regarded as one of the most critical factors affecting crash injury outcomes. In South Korea, where the elderly population is projected to reach 35.9% by 2050, the implications of an increasing number of elderly vehicle users on road safety are evident. In this research, the confounding effect of occupant age in a vehicle in terms of seat position and seatbelt use was investigated. In addition, elderly occupants were divided into a younger-old group aged between 65 and 74 years and an older-old group aged 75 years and older in an effort to assess whether the conventional elderly age standard of 65 years should be reconsidered...
2017: PloS One
https://www.readbyqxmd.com/read/28800274/relationships-between-self-reported-asthma-and-pulmonary-function-and-various-measures-of-obesity
#8
Jaeeun Myung, Hyeain Lee, Tae Hyun Kim, Euna Han
OBJECTIVE: We explore the association with self-reported asthma and pulmonary function based on spirometry measurements using different measures to determine obesity because body mass index (BMI) is limited in not differentiating fat and muscle mass. METHODS: A multi-year cross-sectional study using Korean National Health and Nutrition Examination Survey data was conducted between July 2008 and May 2011. A total of 9409 subjects were included in the final analysis...
August 11, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28799432/targeted-therapies-in-acute-myeloid-leukemia-a-focus-on-flt-3-inhibitors-and-abt199
#9
Kiran Naqvi, Marina Konopleva, Farhad Ravandi
Acute myeloid leukemia (AML) remains a therapeutic challenge. Despite ongoing research, the standard therapy for AML has not changed significantly in the past four decades. With the identification of cytogenetic and molecular abnormalities, several promising therapeutic agents are currently being investigated. FLT3 mutation is a well-recognized target seen in 30% of the cytogenetically normal AML. More recently, the BCL2 family of anti-apoptotic proteins have also generated great interest as a therapeutic target...
August 11, 2017: Expert Review of Hematology
https://www.readbyqxmd.com/read/28799216/device-measured-physical-activity-as-a-predictor-of-disability-in-mobility-limited-older-adults
#10
Robert T Mankowski, Stephen D Anton, Robert Axtell, Shyh-Huei Chen, Roger A Fielding, Nancy W Glynn, Fang-Chi Hsu, Abby C King, Andrew S Layne, Christiaan Leeuwenburgh, Todd M Manini, Anthony P Marsh, Marco Pahor, Catrine Tudor-Locke, David E Conroy, Thomas W Buford
OBJECTIVES: To examine associations between objectively measured physical activity (PA) and incidence of major mobility disability (MMD) and persistent MMD (PMMD) in older adults in the Lifestyle Interventions and Independence for Elders (LIFE) Study. DESIGN: Prospective cohort of individuals aged 65 and older undergoing structured PA intervention or health education. SETTING: The LIFE Study was a multicenter (eight sites) randomized controlled trial designed to compare the efficacy of a long-term structured PA intervention with that of a health education (HE) program in reducing the incidence of MMD in mobility-limited older adults...
August 11, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28796048/clinicopathologic-study-of-succinate-dehydrogenase-deficient-gastrointestinal-stromal-tumors-a-single-institutional-experience-in-china
#11
Weizhen Liu, Xiangyu Zeng, Xiuli Wu, Jun He, Jinbo Gao, Xiaoming Shuai, Guobin Wang, Peng Zhang, Kaixiong Tao
Gastrointestinal stromal tumors (GISTs) that are not driven by kinase mutations, as are most GISTs, often show loss of function of the succinate dehydrogenase (SDH) complex and are considered SDH-deficient GISTs. SDH-deficient GISTs share many distinct characteristics compared with conventional GISTs. However, data regarding these characteristics, particularly among Asian people, are relatively limited. The objective of this study was to characterize the clinicopathologic characteristics, treatment, and prognosis of these uncommon GISTs...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28793889/high-burden-of-hypertension-across-the-age-groups-among-residents-of-gondar-city-in-ethiopia-a-population-based-cross-sectional-study
#12
Abayneh Girma Demisse, Ermias Shenkutie Greffie, Solomon Mekonnen Abebe, Abera Balcha Bulti, Shitaye Alemu, Bewketu Abebe, Nebiyu Mesfin
BACKGROUND: According to a report on the worldwide trends in blood pressure from 1975 to 2015, mean blood pressure is increasing in low and middle income countries while it is either decreasing or stabilizing in high income countries. Few studies have been published on the prevalence of hypertension in Ethiopia demonstrating an increased trend; however, these studies had small sample size and were limited to participants older than 35 years; which left the burden among adolescents and young adults unaddressed...
August 9, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28790471/should-total-hip-arthroplasty-be-performed-acutely-in-the-treatment-of-acetabular-fractures-in-elderly-or-used-as-a-salvage-procedure-only
#13
Katharine Hamlin, Gabija Lazaraviciute, Michalis Koullouros, Tarak Chouari, Iain M Stevenson, Steven W Hamilton
BACKGROUND: Total hip arthroplasty (THA) is now an increasingly common procedure for people sustaining acetabular fractures. The incidence of acetabular fractures among the elderly population is increasing, and contemporary treatment aims to avoid the risks of prolonged incumbency associated with poor bone stock for fixation or inability to comply with limited weightbearing in this patient group. The concept of acute hip arthroplasty as a treatment for acetabular fracture is, therefore, becoming more topical and relevant...
July 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28772081/investigational-phosphodiesterase-inhibitors-in-phase-i-and-phase-ii-clinical-trials-for-alzheimer-s-disease
#14
Jos Prickaerts, Pim R A Heckman, Arjan Blokland
Phosphodiesterase (PDE) inhibitors improve signaling pathways in brain circuits by increasing intracellular cyclic adenosine monophosphate (cAMP) and/or cyclic guanosine monophosphate (cGMP). In the last decade, the first clinical studies investigating selective PDE inhibitors in Alzheimer's disease (AD) have been initiated, based on their positive effects on cognitive processes and neuroprotection in numerous animal studies. Areas covered: This article reviews the clinical studies investigating the pro-cognitive/neuroprotective effects of PDE inhibitors in patients with AD, as well as in age-associated memory impaired elderly and patients with mild cognitive impairment (MCI), the prodromal stage of AD...
August 3, 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28771961/phase-i-study-of-pemetrexed-and-concurrent-radiotherapy-for-previously-untreated-elderly-patients-with-locally-advanced-non-squamous-non-small-cell-lung-cancer
#15
Shinnosuke Takemoto, Yoichi Nakamura, Minoru Fukuda, Hiroaki Senju, Hiroshi Gyotoku, Hirokazu Taniguchi, Midori Shimada, Takaya Ikeda, Hiroyuki Yamaguchi, Katsumi Nakatomi, Nobuyuki Hayashi, Hiroshi Soda, Hiroshi Mukae
BACKGROUND: Chemoradiotherapy is the standard treatment for locally advanced non-small cell lung cancer (NSCLC); however, it is disputed whether this treatment is suitable for patients aged ≥75. This study was conducted to determine the maximum tolerated dose (MTD) of pemetrexed for use in concurrent radiotherapy for elderly patients with locally advanced non-squamous NSCLC. METHODS: The eligibility criteria were as follows: aged ≥75 with inoperable stage IIIA or IIIB non-squamous NSCLC, no history of chemotherapy or radiotherapy, a performance status of 0 or 1, and adequate organ function...
August 3, 2017: Thoracic Cancer
https://www.readbyqxmd.com/read/28771079/socio-demographic-moderators-of-environment-physical-activity-associations-results-from-the-international-prevalence-study
#16
Lilian G Perez, Terry L Conway, Adrian Bauman, Jacqueline Kerr, John P Elder, Elva M Arredondo, Jim F Sallis
BACKGROUND: Associations between the built environment and physical activity (PA) may vary by socio-demographic factors. However, such evidence from international studies is limited. This study tested moderating effects of socio-demographic factors on associations between perceived environment and self-report total PA among adults from the International Prevalence Study. METHODS: Between 2002-2003, adults from nine countries (N=10,258) completed surveys assessing total PA (IPAQ-short), perceived environment, and socio-demographics (age, gender, and education)...
August 3, 2017: Journal of Physical Activity & Health
https://www.readbyqxmd.com/read/28768822/intravenous-immunoglobulin-for-maintenance-treatment-of-chronic-inflammatory-demyelinating-polyneuropathy-a-multicentre-open-label-52-week-phase-iii-trial
#17
Satoshi Kuwabara, Masahiro Mori, Sonoko Misawa, Miki Suzuki, Kazutoshi Nishiyama, Tatsuro Mutoh, Shizuki Doi, Norito Kokubun, Mikiko Kamijo, Hiroo Yoshikawa, Koji Abe, Yoshihiko Nishida, Kazumasa Okada, Kenji Sekiguchi, Ko Sakamoto, Susumu Kusunoki, Gen Sobue, Ryuji Kaji
OBJECTIVE: Short-term efficacy of induction therapy with intravenous immunoglobulin (Ig) in patients with chronic inflammatory demyelinating polyneuropathy (CIDP) is well established. However, data of previous studies on maintenance therapy were limited up to 24-week treatment period. We aimed to investigate the efficacy and safety of longer-term intravenous Ig therapy for 52 weeks. METHODS: This study was an open-label phase 3 clinical trial conducted in 49 Japanese tertiary centres...
August 2, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28768291/a-requiem-for-bmi-in-the-clinical-setting
#18
Maria Cristina Gonzalez, Maria Isabel T D Correia, Steven B Heymsfield
PURPOSE OF REVIEW: Quetelet reported in the nineteenth century that body weight varies across adults with the square of height. Quetelet's index, now known as BMI, is accepted by most health organizations as a first-level measure of body fat and as a screening tool for diagnosing excess adiposity. Modern imaging methods now, however, indicate that BMI has limited predictive value for estimating body fat and lean mass at the individual level. The use of BMI as a measure of body composition in the clinical setting should therefore be challenged...
September 2017: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/28764676/outcome-and-toxicity-of-radical-radiotherapy-or-concurrent-chemoradiotherapy-for-elderly-cervical-cancer-women
#19
Weiping Wang, Xiaorong Hou, Junfang Yan, Jie Shen, Xin Lian, Shuai Sun, Zhikai Liu, Qingyu Meng, Dunhuang Wang, Mei Zhao, Jie Qiu, Ke Hu, Fuquan Zhang
BACKGROUND: Concurrent chemoradiotherapy (CCRT) is the standard treatment for local advanced cervical cancer. However, for elderly patients, studies are limited and the outcomes are controversial. We retrospectively analyzed the efficacy and tolerance of radical radiotherapy (RT) or CCRT in elderly cervical cancer patients and performed comparisons between them. METHODS: We retrospectively analyzed the elderly cervical cancer patients (≥70 years old) treated with radical RT or CCRT between January 2006 and December 2014...
August 1, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28763936/effect-modification-of-the-association-between-temperature-variability-and-daily-cardiovascular-mortality-by-air-pollutants-in-three-chinese-cities
#20
Kai Luo, Runkui Li, Zongshuang Wang, Ruiming Zhang, Qun Xu
There is limited evidence showing the mortality effects of temperature variability (TV) on cardiovascular diseases. The joint effects between TV and air pollutants are also less well-established. This study aims to assess the effect modification of TV-cardiovascular mortality by air pollutants in three Chinese cities (Beijing, Nanjing and Chengdu). Data of daily mortality, air pollutants and meteorological factors from 2008 to 2011 was collected from each city. TV was calculated as the standard deviation of daily maximum and minimum temperatures over exposure days...
July 25, 2017: Environmental Pollution
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