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https://www.readbyqxmd.com/read/29239051/coronary-and-carotid-atherosclerosis-in-asymptomatic-male-marathon-runners
#1
Christof Burgstahler, Hans Cipowicz, Christoph Thomas, Christoph Schabel, Stefanie Mangold, Dominik Ketelsen, Claus D Claussen, Andreas M Niess, Ilias Tsiflikas
The aim of the study was to evaluate the diagnostic accuracy of carotid ultrasound (CU) to predict coronary atherosclerosis in asymptomatic male marathon runners. A total of 49 male marathon runners older than 45 years(mean age 53.3±7.2 years, range 45-74 years) received CU and cardiac CT angiography(CTA) including calcium scoring(CS). Results of CU and CTA were classified binary: 1. Absence of atherosclerosis and 2. presence of atherosclerosis. The extend of atherosclerosis was not primary end-point of the study...
December 14, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29237243/exercise-related-severe-cardiac-events
#2
Lourdes Vicent, Albert Ariza-Solé, José Ramón González-Juanatey, Aitor Uribarri, José Ortiz, Esteban López de Sá, Jordi Sans-Roselló, Carlos Tomás Querol, Pau Codina, Iago Sousa-Casasnovas, Manuel Martínez-Sellés
BACKGROUND: Physical activity has benefits on health. However, there is a small risk of effort-related adverse events. The aim of this study is to describe exercise-related severe cardiovascular events and to relate them with the type of sport performed. METHODS: Ten-year retrospective study in 8 Spanish cardiac intensive care units. Adverse cardiac events were defined as acute myocardial infarction, cardiac arrest, or syncope related to physical activity. RESULTS: From 117 patients included, 109 were male (93...
December 13, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29236137/-knee-pain-in-a-female-marathon-runner
#3
B Jobke
No abstract text is available yet for this article.
December 13, 2017: Der Radiologe
https://www.readbyqxmd.com/read/29212672/cardiovascular-response-to-prescribed-detraining-among-recreational-athletes
#4
Charles Richard Pedlar, Marcel G Brown, Robert E Shave, James M Otto, Aimee Drane, Jennifer Michaud-Finch, Miranda Contursi, Meagan M Wasfy, Adolph Hutter, Michael H Picard, Gregory D Lewis, Aaron L Baggish
Exercise-induced cardiac remodeling (EICR) and the attendant myocardial adaptations characteristic of the athlete's heart may regress during periods of exercise reduction or abstinence. The time course and mechanisms underlying this reverse remodeling, specifically the impact of concomitant plasma volume (PV) contraction on cardiac chamber size, remain incompletely understood. We therefore studied recreational runners (n=21, aged 34 ± 7 years; 48% male) who completed an 18-week training program (~7 h.w-1) culminating in the 2016 Boston Marathon after which total exercise exposure was confined to <2 h...
December 6, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29200895/physiological-and-training-characteristics-of-recreational-marathon-runners
#5
Dan Gordon, Sarah Wightman, Itay Basevitch, James Johnstone, Carolina Espejo-Sanchez, Chelsea Beckford, Mariette Boal, Adrian Scruton, Mike Ferrandino, Viviane Merzbach
Purpose: The aim of this study was to examine the physical and training characteristics of recreational marathon runners within finish time bandings (2.5-3 h, 3-3.5 h, 3.5-4 h, 4-4.5 h and >4.5 h). Materials and methods: A total of 97 recreational marathon runners (age 42.4 ± 9.9 years; mass 69.2 ± 11.3 kg; stature 172.8 ± 9.1 cm), with a marathon finish time of 229.1 ± 48.7 min, of whom n = 34 were female and n = 63 were male, completed an incremental treadmill test for the determination of lactate threshold (LT1), lactate turn point (LT2) and running economy (RE)...
2017: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/29192734/wear-rate-and-medium-term-survival-of-a-cemented-moderately-cross-linked-polyethylene-acetabular-prosthesis
#6
Bilal M Barkatali, Dinesh P Alexander, Anil K Gambhir, Henry Wynn Jones, Tim N Board
INTRODUCTION: The moderately cross-linked Depuy Marathon® cemented acetabular component was introduced into the UK in 2007. The wear rate for the previously introduced Marathon® uncemented acetabular component has been reported to range from 0.06 to 0.01 mm/year.The aim of this study was to present the medium-term results and wear rate of the Marathon® cemented prosthesis used in primary total hip arthroplasty. METHODS: 103 Marathon® cemented acetabular components were implanted between 2008 and 2009 in primary arthroplasty, who were eligible for this study...
December 1, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29187744/it-is-a-marathon-rather-than-a-sprint-an-initial-exploration-of-unmet-needs-and-support-preferences-of-caregivers-of-children-with-sci
#7
Susan L Ryerson Espino, Erin H Kelly, Anne Rivelli, Kathy Zebracki, Lawrence C Vogel
STUDY DESIGN: Focus group study. OBJECTIVES: Explore unmet needs and support preferences of caregivers of youth with spinal cord injury (SCI). SETTING: One pediatric specialty rehabilitation hospital system in the United States. METHODS: Four focus groups were conducted with a convenience sample of 26 caregivers who were primarily mothers (96%) and married (65%), and had at least some college education (85%). Children living with SCI were on average 12...
November 30, 2017: Spinal Cord
https://www.readbyqxmd.com/read/29183152/marathon-running-increases-circulating-endothelial-and-thrombocyte-derived-microparticles
#8
Viktoria Schwarz, Philip Düsing, Thomas Liman, Christian Werner, Juliane Herm, Katrin Bachelier, Matthias Krüll, Lars Brechtel, Gerhard J Jungehulsing, Wilhelm Haverkamp, Michael Böhm, Matthias Endres, Karl Georg Haeusler, Ulrich Laufs
Background Acute vascular effects of high intensity physical activity are incompletely characterized. Circulating microparticles are cellular markers for vascular activation and damage. Methods Microparticles were analysed in 99 marathon runners (49 ± 6 years, 22% female) of the prospective Berlin Beat of Running study. Blood samples were taken within three days before, immediately after and within two days after the marathon run. Endothelial-derived microparticles were labelled with CD144, CD31 and CD62E, platelet-derived microparticles with CD62P and CD42b, leukocyte-derived microparticles with CD45 and monocyte-derived microparticles with CD14...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/29182410/the-effect-of-periodisation-and-training-intensity-distribution-on-middle-and-long-distance-running-performance-a-systematic-review
#9
Mark Kenneally, Arturo Casado, Jordan Santos-Concejero
This review aimed to examine the current evidence for three primary training intensity distribution types; 1) Pyramidal Training, 2) Polarised Training and 3) Threshold Training. Where possible, we calculated training intensity zones relative to the goal race pace, rather than physiological or subjective variables. We searched 3 electronic databases in May 2017 (PubMed, Scopus, and Web of Science) for original research articles. After analysing 493 resultant original articles, studies were included if they met the following criteria: a) participants were middle- or long-distance runners; b) studies analysed training intensity distribution in the form of observational reports, case studies or interventions; c) studies were published in peer-reviewed journals and d) studies analysed training programs with a duration of 4 weeks or longer...
November 28, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29181039/epidemiology-and-genetic-diversity-of-colistin-nonsusceptible-nosocomial-acinetobacter-baumannii-strains-from-russia-for-2013-2014
#10
Eugene A Sheck, Mikhail V Edelstein, Marina V Sukhorukova, Natali V Ivanchik, Elena Yu Skleenova, Andrey V Dekhnich, Ilya S Azizov, Roman S Kozlov
A high level of resistance to carbapenems in Acinetobacter baumannii strains severely limits therapeutic possibilities. Colistin is the last resort drug against such strains, although the cases of resistance to this drug have become more frequent. This article presents the epidemiological features and genetic diversity of colistin nonsusceptible A. baumannii strains collected as part of a national multicenter epidemiological study of the antibiotic resistance of pathogens of nosocomial infections (MARATHON), which was conducted in 2013-2014 in Russia...
2017: Canadian Journal of Infectious Diseases & Medical Microbiology
https://www.readbyqxmd.com/read/29172394/subchondral-insufficiency-fracture-in-the-lateral-compartment-of-the-knee-in-a-64-year-old-marathon-runner
#11
Vincent Vg An, Mathias van den Broek, Sam Oussedik
A 64-year-old marathon runner presented to our clinic with a history of worsening pain in her left knee. Following magnetic resonance imaging, the diagnosis of subchondral insufficiency fracture of the knee (SIFK) was made. A course of conservative management via bisphosphonates was initiated. The patient successfully recovered and returned to full athletic function, having recently returned to competitive marathon running. This article aims to present this unusual case of lateral compartment SIFK and summarise the literature on this uncommon condition...
December 1, 2017: Knee Surgery & related Research
https://www.readbyqxmd.com/read/29164497/identifying-motives-of-midlife-black-triathlete-women-using-survey-transformation-to-guide-qualitative-inquiry
#12
Candace S Brown, Kevin S Masters, Amy G Huebschmann
Demonstrating health disparities related to race, age, and gender, older Black women (BW) are the most sedentary demographic group in the United States. Increasing PA in mid-life is important, as it improves health as BW age into their later years. Advancing our understanding of the exercise motives of BW triathletes presents a "reverse engineering" opportunity to identify motives that could influence sedentary mid-life BW to increase their activity. The purposes of this study were to: (a) utilize an innovative survey transformation method to adapt a measure developed primarily in Caucasian males, i...
November 22, 2017: Journal of Cross-cultural Gerontology
https://www.readbyqxmd.com/read/29146288/unusual-iliac-crest-stress-fracture-in-a-marathoner-a-case-report
#13
Amy M West, Kelly C McInnis
This case presentation describes a 50-year-old healthy woman who developed left sided hip pain while training for the Boston Marathon. Magnetic Resonance Imaging (MRI) demonstrates a stress fracture of the left iliac body. This injury is unique in that it did not occur in the setting of low bone mineral density and it does not fall into the current published radiographic categorization based on location of injury. This case illustrates an uncommon and atypical bone stress injury in an endurance athlete. It should be considered in the differential diagnosis of runners presenting with hip or lumbopelvic pain...
November 13, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/29143929/a-comparison-of-the-energetic-cost-of-running-in-marathon-racing-shoes
#14
Wouter Hoogkamer, Shalaya Kipp, Jesse H Frank, Emily M Farina, Geng Luo, Rodger Kram
BACKGROUND: Reducing the energetic cost of running seems the most feasible path to a sub-2-hour marathon. Footwear mass, cushioning, and bending stiffness each affect the energetic cost of running. Recently, prototype running shoes were developed that combine a new highly compliant and resilient midsole material with a stiff embedded plate. OBJECTIVE: The aim of this study was to determine if, and to what extent, these newly developed running shoes reduce the energetic cost of running compared with established marathon racing shoes...
November 16, 2017: Sports Medicine
https://www.readbyqxmd.com/read/29138757/effects-of-marathon-running-on-aerobic-fitness-and-performance-in-recreational-runners-one-week-after-a-race
#15
Fuminori Takayama, Atsushi Aoyagi, Wataru Shimazu, Yoshiharu Nabekura
It is not clear whether or not recreational runners can recover aerobic fitness and performance within one week after marathon running. This study aimed to investigate the effects of running a marathon race on aerobic fitness and performance one week later. Eleven recreational runners (six men, five women) completed the race in 3 h 36 min 20 s ± 41 min 34 s (mean ± standard deviation). Before and 7 days after the race, they performed a treadmill running test. Perceived muscle soreness was assessed before the race and for the following 7 days...
2017: Journal of Sports Medicine (Hindawi Publishing Corporation)
https://www.readbyqxmd.com/read/29133160/the-changes-of-red-blood-cell-viscoelasticity-and-sports-anemia-in-male-24-hr-ultra-marathoners
#16
Che-Hung Liu, Yen-Fang Tseng, Jiun-I Lai, Yin-Quan Chen, Shih-Hao Wang, Wei-Fong Kao, Li-Hua Li, Yu-Hui Chiu, Chorng-Kuang How, Wen-Han Chang
BACKGROUND: In endurance sports, stress, dehydration and release of chemical factors have been associated with red blood cell (RBC) alterations of structure and function, which may contribute to sports anemia, a well-observed phenomenon during long-distance running. Until now, the investigation of the changes of viscoelastic properties of RBC membrane, a decisive factor of RBC deformability to avoid hemolysis, is lacking, especially in an Oriental population. METHODS: nineteen runners were prospectively recruited into our study...
November 10, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/29127510/recovery-following-a-marathon-a-comparison-of-cold-water-immersion-whole-body-cryotherapy-and-a-placebo-control
#17
Laura J Wilson, Emma Cockburn, Katherine Paice, Scott Sinclair, Tanwir Faki, Frank A Hills, Marcela B Gondek, Alyssa Wood, Lygeri Dimitriou
PURPOSE: Cryotherapy is an increasingly popular recovery strategy used in an attempt to attenuate the negative impact of strenuous physical activity on subsequent exercise. Therefore, this study aimed to assess the effects of whole body cryotherapy (WBC) and cold water immersion (CWI) on markers of recovery following a marathon. METHODS: Thirty-one endurance trained males completed a marathon. Participants were randomly assigned to a CWI, WBC or placebo group. Perceptions of muscle soreness, training stress and markers of muscle function were recorded before the marathon and at 24 and 48 h post exercise...
November 10, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29125915/a-pilot-study-investigating-reactive-oxygen-species-production-in-capillary-blood-after-a-marathon-and-the-influence-of-an-antioxidant-rich-beetroot-juice
#18
Tom Clifford, Amy Bowman, Tess Capper, Dean M Allerton, Emma Foster, Mark Birch-Machin, Georg Lietz, Glyn Howatson, Emma J Stevenson
We report that reactive oxygen species (ROS), as measured in capillary blood taken from the finger-tip, increased after a marathon (+128% P < 0.01; ES = 1.17), indicating that this collection method might be useful for measuring ROS in field settings. However, mitochondrial DNA damage remained unchanged. Beetroot juice, taken before and after exercise, was unable to mitigate exercise induced-ROS production, questioning its use an antioxidant rich-food.
November 10, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29105001/design-of-projectrun21-a-14-week-prospective-cohort-study-of-the-influence-of-running-experience-and-running-pace-on-running-related-injury-in-half-marathoners
#19
Camma Damsted, Erik Thorlund Parner, Henrik Sørensen, Laurent Malisoux, Rasmus Oestergaard Nielsen
BACKGROUND: Participation in half-marathon has been steeply increasing during the past decade. In line, a vast number of half-marathon running schedules has surfaced. Unfortunately, the injury incidence proportion for half-marathoners has been found to exceed 30% during 1-year follow-up. The majority of running-related injuries are suggested to develop as overuse injuries, which leads to injury if the cumulative training load over one or more training sessions exceeds the runners' load capacity for adaptive tissue repair...
November 6, 2017: Injury Epidemiology
https://www.readbyqxmd.com/read/29096906/-exercise-induced-coronary-thrombosis
#20
A Sghaier, S Milouchi, L Ghannem, L Ghannem, M Ghannem
Heavy exertion as a trigger of cardiac events has been known since antiquity as it was already described in 492 BC in the famous Athens Marathon. Myocardial infarction occurring after physical exertion accounts for about 4% of myocardial infarctions. It is more common in men and younger patients. It usually occurs during intense efforts and especially in inactive people with multiple risk factors. It would be more severe with more frequent Q waves of necrosis on the victims' electrocardiograms, with greater troponin release and a more raised GRACE score...
October 30, 2017: Annales de Cardiologie et D'angéiologie
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