نتایج جستجو برای: aas

تعداد نتایج: 3708  

Journal: :Neuroscience and biobehavioral reviews 2003
Ann S Clark Leslie P Henderson

Anabolic-androgenic steroids (AAS) are synthetic derivatives of testosterone originally designed for therapeutic uses to provide enhanced anabolic potency with negligible androgenic effects. Although AAS continue to be used clinically today, the medical benefits of low therapeutic doses of AAS stand in sharp contrast to the potential health risks associated with the excessive doses self-adminis...

2014
Hans Geyer Wilhelm Schänzer Mario Thevis

According to the World Anti-Doping Agency (WADA) Prohibited List, anabolic agents consist of exogenous anabolic androgenic steroids (AAS), endogenous AAS and other anabolic agents such as clenbuterol and selective androgen receptor modulators (SARMs). Currently employed strategies for their improved detection include the prolongation of the detection windows for exogenous AAS, non-targeted and ...

Journal: :Stroke 1999
T Rundek M R Di Tullio R R Sciacca I V Titova J P Mohr S Homma R L Sacco

BACKGROUND AND PURPOSE Aortic arch atheromas (AAs) have been shown to be a risk factor for ischemic stroke (IS) in the elderly because of their potential for cerebral embolization. However, the association between AAs and the presence of cerebral microemboli has not been clearly established. The aim of this study was to determine whether large AAs are associated with an increased frequency of h...

2012
Amy B. Cadwallader Melinda K. Shelby Ryan B. Paulsen Dennis J. Crouch David L. Black

nabolic androgenic steroids (AAS) and other anabolic agents are widely abused as performance-enhancing drugs by athletes of all abilities—from elite competitors to participants in amateur sports to high-school students. AAS and other anabolic compounds are banned by most amateur sports anti-doping programs, the World Anti-Doping Agency (WADA), and many professional sports organizations (1). In ...

Journal: :Vojnosanitetski pregled 2014
Ivan Ilić Vitomir Djordjević Ivan Stanković Alja Vlahović-Stipac Biljana Putniković Rade Babić Aleksandar N Nesković

BACKGROUND/AIM Long-term intensive training is associated with distinctive cardiac adaptations which are known as athlete's heart. The aim of this study was to determine whether the use of anabolic androgenic steroids (AAS) could affect echocardiographic parameters of left ventricular (LV) morphology and function in elite strength and endurance athletes. METHODS A total of 20 elite strength a...

2015
Dominic Sagoe Jim McVeigh Astrid Bjørnebekk Marie-Stella Essilfie Cecilie Schou Andreassen Ståle Pallesen

BACKGROUND As far as we are aware, no previous systematic review and synthesis of the qualitative/descriptive literature on polypharmacy in anabolic-androgenic steroid(s) (AAS) users has been published. METHOD We systematically reviewed and synthesized qualitative/descriptive literature gathered from searches in electronic databases and by inspecting reference lists of relevant literature to ...

2012
Jung Rae Cho Sanghoon Shin Jung-Sun Kim Young-Guk Ko Myeong-Ki Hong Yangsoo Jang Ki Bae Seung Hun Sik Park Seung-Jea Tahk Do-Sun Lim Dong-Wun Jeon In Ho Chae Duk-Kyung Kim Junghan Yoon Myung Ho Jeong Donghoon Choi

BACKGROUND AND OBJECTIVES Acute aortic syndrome (AAS) is a heterogeneous group of disorders that often present with severe chest or back pain. It includes acute aortic dissection (AD), intramural hematoma (IMH), dissecting aneurysm, and penetrating aortic ulcer (PAU). The clinical picture of AAS and its prognosis have not been studied in a large number of Korean patients. Therefore, we organize...

2015
Cristoforo Pomara Margherita Neri Stefania Bello Carmela Fiore Irene Riezzo Emanuela Turillazzi

Anabolic-androgenic steroids (AAS) are synthetic substances derived from testosterone that are largely employed due to their trophic effect on muscle tissue of athletes at all levels. Since a great number of organs and systems are a target of AAS, their adverse effects are primarily on the following systems: reproductive, hepatic, musculoskeletal, endocrine, renal, immunological, infectious, ca...

Journal: :Circulation 2017
Aaron L Baggish Rory B Weiner Gen Kanayama James I Hudson Michael T Lu Udo Hoffmann Harrison G Pope

BACKGROUND Millions of individuals have used illicit anabolic-androgenic steroids (AAS), but the long-term cardiovascular associations of these drugs remain incompletely understood. METHODS Using a cross-sectional cohort design, we recruited 140 experienced male weightlifters 34 to 54 years of age, comprising 86 men reporting ≥2 years of cumulative lifetime AAS use and 54 nonusing men. Using ...

2015
Pulukool Sandhya Debashish Danda Lakshmanan Jeyaseelan

BACKGROUND & OBJECTIVES Paucity of growth retardation has been observed by us in patients with juvenile-onset ankylosing spondylitis (JAS) in a tertiary care health centre in south India. We, therefore, undertook this pilot study to assess and compare anthropometry of patients with JAS who were 15 yr and older with that of adult onset ankylosing spondylitis (AAS) and matching Indian reference p...

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