{"id":637,"date":"2019-05-15T18:07:16","date_gmt":"2019-05-15T16:07:16","guid":{"rendered":"https:\/\/www.bbemg.uliege.be\/?page_id=637"},"modified":"2026-02-10T15:38:01","modified_gmt":"2026-02-10T14:38:01","slug":"une-seule-etude-ce-nest-pas-assez","status":"publish","type":"page","link":"https:\/\/www.bbemg.uliege.be\/fr\/une-seule-etude-ce-nest-pas-assez\/","title":{"rendered":"Une seule \u00e9tude, ce n&rsquo;est pas assez!"},"content":{"rendered":"[vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][heading]\n<h1>Une seule \u00e9tude, ce n&rsquo;est pas assez!<\/h1>\n[\/heading][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb source=\u00a0\u00bb\u00a0\u00bb text=\u00a0\u00bb2013 &#8211; 2017&Prime; font_container=\u00a0\u00bbtag:h2|text_align:left|color:%2349b0e5&Prime; use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb google_fonts=\u00a0\u00bbfont_family:Abril%20Fatface%3Aregular|font_style:400%20regular%3A400%3Anormal\u00a0\u00bb css_animation=\u00a0\u00bb\u00a0\u00bb link=\u00a0\u00bb\u00a0\u00bb el_id=\u00a0\u00bb\u00a0\u00bb el_class=\u00a0\u00bb\u00a0\u00bb css=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_custom_heading text=\u00a0\u00bbPourquoi ne peut-on pas conclure \u00e0 la nocivit\u00e9 des champs \u00e9lectriques et magn\u00e9tiques ou \u00e0 leur innocuit\u00e9 sur base d\u2019une seule \u00e9tude?\u00a0\u00bb font_container=\u00a0\u00bbtag:h2|text_align:left|color:%2349b0e5&Prime; use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb][vc_column_text]Pour d\u00e9terminer si l\u2019exposition aux champs est n\u00e9faste pour la sant\u00e9, les chercheurs utilisent diff\u00e9rentes m\u00e9thodes d\u2019\u00e9tudes:<\/p>\n<ul>\n<li>Les \u00e9tudes \u00e9pid\u00e9miologiques<\/li>\n<li>Les \u00e9tudes cliniques contr\u00f4l\u00e9es chez l&rsquo;homme<\/li>\n<li>Les \u00e9tudes in vivo (\u00e9tudes sur les animaux)<\/li>\n<li>Les \u00e9tudes in vitro (\u00e9tudes sur les cellules et les tissus)<\/li>\n<\/ul>\n<p>Ces m\u00e9thodes d\u2019\u00e9tudes apportent chacune leur pierre \u00e0 l\u2019\u00e9difice. Elles ont chacune leurs avantages et leurs inconv\u00e9nients (tableau 1).[\/vc_column_text][vc_column_text]\n<p style=\"text-align: center;\">Tableau 1 &#8211; Avantages (fond vert) et inconv\u00e9nients (fond rouge) des diff\u00e9rentes m\u00e9thodes d\u2019\u00e9tude<\/p>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_text_separator title=\u00a0\u00bbEtudes \u00e9pid\u00e9miologiques\u00a0\u00bb el_width=\u00a0\u00bb60&Prime;][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb equal_height=\u00a0\u00bbyes\u00a0\u00bb content_placement=\u00a0\u00bbtop\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbpadding-2-percent\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb background_color=\u00a0\u00bb#9cba5a\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; font_color=\u00a0\u00bb#ffffff\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb width=\u00a0\u00bb1\/2&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_column_text]\n<p style=\"text-align: right;\">Centr\u00e9es sur l&rsquo;homme<br \/>\nExposition en situation r\u00e9elle<br \/>\nEtudes sur des expositions aigue et chronique<br \/>\nConclusions en termes de mortalit\u00e9 &amp; morbidit\u00e9<br \/>\nEtudes sur des personnes potentiellement hypersensibles<\/p>\n[\/vc_column_text][\/vc_column][vc_column column_padding=\u00a0\u00bbpadding-2-percent\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb background_color=\u00a0\u00bb#bb524e\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; font_color=\u00a0\u00bb#ffffff\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb width=\u00a0\u00bb1\/2&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_column_text]Lien de cause \u00e0 effet?<br \/>\nPrise en compte l&rsquo;ensemble des facteurs de confusion?<br \/>\nEvaluation pr\u00e9cise de l&rsquo;exposition r\u00e9elle des sujets?<br \/>\nEtudes tr\u00e8s on\u00e9reuses et qui demandent beaucoup de temps (en particulier les \u00e9tudes de cohorte)[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_text_separator title=\u00a0\u00bbEtudes cliniques chez l&rsquo;homme\u00a0\u00bb el_width=\u00a0\u00bb60&Prime;][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb equal_height=\u00a0\u00bbyes\u00a0\u00bb content_placement=\u00a0\u00bbtop\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbpadding-2-percent\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb background_color=\u00a0\u00bb#9cba5a\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; font_color=\u00a0\u00bb#ffffff\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb width=\u00a0\u00bb1\/2&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_column_text]\n<p style=\"text-align: right;\">Explication des donn\u00e9es observ\u00e9es de morbidit\u00e9 et de mortalit\u00e9<br \/>\nCompr\u00e9hension des m\u00e9canismes d&rsquo;action pathophysiologiques<br \/>\nIdentification d&rsquo;\u00e9ventuelles mesures de protection<\/p>\n[\/vc_column_text][\/vc_column][vc_column column_padding=\u00a0\u00bbpadding-2-percent\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb background_color=\u00a0\u00bb#bb524e\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; font_color=\u00a0\u00bb#ffffff\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb width=\u00a0\u00bb1\/2&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_column_text]Limites \u00e9thiques<br \/>\nEtudes des effets li\u00e9s aux expositions aigu\u00ebs<br \/>\nNombre limit\u00e9 de sujets<br \/>\nEtudes tr\u00e8s on\u00e9reuses et infrastructures sp\u00e9cifiques[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_text_separator title=\u00a0\u00bbEtudes sur les animaux (in vivo)\u00a0\u00bb el_width=\u00a0\u00bb60&Prime;][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb equal_height=\u00a0\u00bbyes\u00a0\u00bb content_placement=\u00a0\u00bbtop\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbpadding-2-percent\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb background_color=\u00a0\u00bb#9cba5a\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; font_color=\u00a0\u00bb#ffffff\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb width=\u00a0\u00bb1\/2&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_column_text]\n<p style=\"text-align: right;\">Beaucoup d&rsquo;animaux peuvent \u00eatre \u00e9tudi\u00e9s<br \/>\nEtudes relativement peu on\u00e9reuses<br \/>\nUtilisation de proc\u00e9dures plus invasives<br \/>\nEtudes sur des expositions chroniques<br \/>\nUtilisation de mod\u00e8les sp\u00e9cifiques (ex.: g\u00e9n\u00e9tiquement modifi\u00e9s &#8230;)<\/p>\n[\/vc_column_text][\/vc_column][vc_column column_padding=\u00a0\u00bbpadding-2-percent\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb background_color=\u00a0\u00bb#bb524e\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; font_color=\u00a0\u00bb#ffffff\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb width=\u00a0\u00bb1\/2&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_column_text]Extrapolation des r\u00e9sultats \u00e0 l&rsquo;homme?<\/p>\n<ul>\n<li>Animal &gt;&lt; Homme<\/li>\n<li>Conditions exp\u00e9rimentales sp\u00e9cifiques<\/li>\n<\/ul>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_text_separator title=\u00a0\u00bbEtudes sur les cellules et les tissus (in vitro)\u00a0\u00bb el_width=\u00a0\u00bb60&Prime;][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb equal_height=\u00a0\u00bbyes\u00a0\u00bb content_placement=\u00a0\u00bbtop\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbpadding-2-percent\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb background_color=\u00a0\u00bb#9cba5a\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; font_color=\u00a0\u00bb#ffffff\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb width=\u00a0\u00bb1\/2&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_column_text]\n<p style=\"text-align: right;\">Compr\u00e9hension de ce qui se passe au niveau de la cellule<br \/>\nRapidit\u00e9<br \/>\nR\u00e9sultat n\u00e9gatif in vitro = R\u00e9sultat n\u00e9gatif in vivo<br \/>\nEtudes relativement peu on\u00e9reuses<br \/>\nUtilisation de lign\u00e9es cellulaires sp\u00e9cifiques<\/p>\n[\/vc_column_text][\/vc_column][vc_column column_padding=\u00a0\u00bbpadding-2-percent\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb background_color=\u00a0\u00bb#bb524e\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; font_color=\u00a0\u00bb#ffffff\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb width=\u00a0\u00bb1\/2&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_column_text]Cellules trait\u00e9es en dehors de leur environnement normal<br \/>\nDifficult\u00e9 de simuler correctement les expositions in vivo[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_column_text]Les \u00e9tudes \u00e9pid\u00e9miologiques sont \u00e0 priori les plus int\u00e9ressantes en sant\u00e9 humaine car elles prennent en compte la personne dans son environnement. Mais \u00e9tablir une relation entre un facteur environnemental et une maladie est une entreprise d\u00e9licate car un facteur peut entra\u00eener un trouble chez une personne et pas chez une autre. Par ailleurs, il est difficile d\u2019isoler un facteur particulier dans la multitude des facteurs qui constituent notre milieu de vie (facteurs chimiques, physiques\u2026) et nos caract\u00e9ristiques individuelles (facteurs socio-\u00e9conomiques, g\u00e9n\u00e9tiques\u2026).<\/p>\n<p>Les \u00e9tudes \u00e9pid\u00e9miologiques n\u00e9cessitent donc d\u2019\u00e9tudier un grand nombre de personnes. Les chercheurs obtiennent alors une vision globale de la relation entre le facteur \u00e9tudi\u00e9 et une maladie. Malgr\u00e9 son int\u00e9r\u00eat en sant\u00e9 humaine, il faut comprendre que l&rsquo;\u00e9pid\u00e9miologie donne <strong>des corr\u00e9lations, rarement des relations de cause \u00e0 effet<\/strong>. Si l&rsquo;on trouve une association entre un facteur et une maladie, cela ne signifie pas que cet agent a provoqu\u00e9 la maladie car pour qu\u2019il y ait cause \u00e0 effet, il faut que plusieurs crit\u00e8res soient v\u00e9rifi\u00e9s (cfr la page d\u2019information sur les <a href=\"https:\/\/www.bbemg.uliege.be\/epidemiologie\/?lang=fr\">\u00e9tudes \u00e9pid\u00e9miologiques<\/a>).<\/p>\n<p>Les autres m\u00e9thodes \u00e9tudes sont donc n\u00e9cessaires pour une meilleure compr\u00e9hension des m\u00e9canismes pathophysiologiques et pour am\u00e9liorer la cr\u00e9dibilit\u00e9 des \u00e9tudes \u00e9pid\u00e9miologiques.<\/p>\n<p>Des \u00e9tudes in vitro bien r\u00e9alis\u00e9es peuvent mettre \u00e0 jour des m\u00e9canismes d&rsquo;action au niveau cellulaire ou mol\u00e9culaire qui peuvent expliquer des effets pathophysiologiques. Mais attention, les r\u00e9sultats des \u00e9tudes in vitro ne signifient pas n\u00e9cessairement qu&rsquo;un effet sera observ\u00e9 in vivo.<\/p>\n<p>Il faut \u00e9galement savoir que si les m\u00e9thodes in vitro ont une <strong>grande sensibilit\u00e9<\/strong> (peu ou pas de faux n\u00e9gatifs, c\u2019est-\u00e0-dire des r\u00e9sultats n\u00e9gatifs qui ne refl\u00e8tent pas la r\u00e9alit\u00e9\u00a0: ils sont erron\u00e9s car ils ne devraient pas \u00eatre n\u00e9gatifs), elles pr\u00e9sentent par contre une <strong>faible sp\u00e9cificit\u00e9 <\/strong>(beaucoup de faux positifs,c\u2019est-\u00e0-dire des r\u00e9sultats positifs qui ne devraient pas l\u2019\u00eatre). \u00c7a signifie qu\u2019un r\u00e9sultat n\u00e9gatif est probablement r\u00e9ellement n\u00e9gatif, mais qu\u2019un r\u00e9sultat positif doit \u00eatre confirm\u00e9 par d\u2019autres \u00e9tudes in vitro ou in vivo.[\/vc_column_text][vc_column_text css=\u00a0\u00bb.vc_custom_1557936202445{border-top-width: 1px !important;border-right-width: 1px !important;border-bottom-width: 1px !important;border-left-width: 1px !important;padding-top: 10px !important;padding-right: 10px !important;padding-bottom: 10px !important;padding-left: 10px !important;border-left-color: #262626 !important;border-left-style: dashed !important;border-right-color: #262626 !important;border-right-style: dashed !important;border-top-color: #262626 !important;border-top-style: dashed !important;border-bottom-color: #262626 !important;border-bottom-style: dashed !important;}\u00a0\u00bb]\n<p style=\"text-align: center;\">Les r\u00e9sultats obtenus par une m\u00e9thode d\u2019\u00e9tudes doivent \u00eatre confirm\u00e9s<br \/>\npar d\u2019autres m\u00e9thodes d\u2019\u00e9tudes.<\/p>\n[\/vc_column_text][vc_column_text]A la lecture du tableau 1, on se rend compte qu\u2019aucune m\u00e9thode n\u2019est ni parfaite, ni infaillible. Chacune n\u00e9cessite un protocole de travail extr\u00eamement rigoureux. Malgr\u00e9 leurs efforts, les chercheurs peuvent difficilement prendre en compte l\u2019ensemble des param\u00e8tres.<\/p>\n<p>Prenons l\u2019exemple des \u00e9tudes \u00e9pid\u00e9miologiques\u00a0: il faut non seulement \u00e9tudier un groupe suffisant de personnes, ce qui n\u2019est pas toujours possible dans l\u2019\u00e9tude des maladies \u00ab\u00a0rares\u00a0\u00bb, mais \u00e9galement rep\u00e9rer les facteurs de confusion, adapter le protocole d\u2019\u00e9tude\u2026 Voir des informations plus compl\u00e8tes sur les <a href=\"https:\/\/www.bbemg.uliege.be\/epidemiologie\/?lang=fr\">biais des \u00e9tudes \u00e9pid\u00e9miologiques<\/a>.<\/p>\n<p>Dans les \u00e9tudes en laboratoire, il s\u2019agit de bien contr\u00f4ler les param\u00e8tres auxquels les cellules ou les animaux sont soumis et de travailler avec des mod\u00e8les animaux ou cellulaires en accord avec l\u2019objet de l\u2019\u00e9tude. Des informations plus compl\u00e8tes sont disponibles aux pages suivantes\u00a0: <a href=\"https:\/\/www.bbemg.uliege.be\/etudes-in-vivo-sur-les-animaux\/?lang=fr\">Etudes in vivo<\/a> &amp; <a href=\"https:\/\/www.bbemg.uliege.be\/etudes-in-vitro-sur-les-cellules\/?lang=fr\">Etudes in vitro<\/a>.<\/p>\n<p>Etant donn\u00e9 la difficult\u00e9 d&rsquo;atteindre les conditions exp\u00e9rimentales id\u00e9ales et l&rsquo;impossibilit\u00e9 de contr\u00f4ler parfaitement tous les param\u00e8tres, les r\u00e9sultats d&rsquo;une seule \u00e9tude ne signifient pas grand chose.[\/vc_column_text][vc_column_text css=\u00a0\u00bb.vc_custom_1557936258258{border-top-width: 1px !important;border-right-width: 1px !important;border-bottom-width: 1px !important;border-left-width: 1px !important;padding-top: 10px !important;padding-right: 10px !important;padding-bottom: 10px !important;padding-left: 10px !important;border-left-color: #262626 !important;border-left-style: dashed !important;border-right-color: #262626 !important;border-right-style: dashed !important;border-top-color: #262626 !important;border-top-style: dashed !important;border-bottom-color: #262626 !important;border-bottom-style: dashed !important;}\u00a0\u00bb]\n<p style=\"text-align: center;\">Les r\u00e9sultats d&rsquo;une \u00e9tude unique ne sont pas suffisants pour valider une th\u00e9orie. Il est obligatoire de r\u00e9pliquer l&rsquo;\u00e9tude et de comparer les r\u00e9sultats avec ceux d&rsquo;autres laboratoires.<\/p>\n[\/vc_column_text][vc_column_text css=\u00a0\u00bb.vc_custom_1557936269442{border-top-width: 1px !important;border-right-width: 1px !important;border-bottom-width: 1px !important;border-left-width: 1px !important;padding-top: 10px !important;padding-right: 10px !important;padding-bottom: 10px !important;padding-left: 10px !important;border-left-color: #262626 !important;border-left-style: dashed !important;border-right-color: #262626 !important;border-right-style: dashed !important;border-top-color: #262626 !important;border-top-style: dashed !important;border-bottom-color: #262626 !important;border-bottom-style: dashed !important;}\u00a0\u00bb]\n<div class=\"info\">\n<p><strong>En r\u00e9sum\u00e9\u2026<\/strong><\/p>\n<p>Les r\u00e9sultats d&rsquo;une seule \u00e9tude ne peuvent permettre de tirer des conclusions. Ils permettent seulement d&rsquo;\u00e9mettre des hypoth\u00e8ses, qui devront \u00eatre confirm\u00e9es par la r\u00e9plication de cette \u00e9tude et par d&rsquo;autres \u00e9tudes.<\/p>\n<p>La validation scientifique des r\u00e9sultats passe par une \u00e9valuation approfondie de l\u2019ensemble des \u00e9tudes bien men\u00e9es et pour lesquelles les r\u00e9sultats sont disponibles. Les d\u00e9clarations souvent entendues qui affirment que les champs sont dangereux sur base des r\u00e9sultats d\u2019une \u00e9tude sont donc inexactes.<\/p>\n<p>Les chercheurs de leur c\u00f4t\u00e9 doivent tout mettre en \u0153uvre pour publier des \u00e9tudes bien contr\u00f4l\u00e9es. C\u2019est \u00e0 ce titre qu\u2019il sera possible de r\u00e9pondre \u00e0 la question de la dangerosit\u00e9 ou non des champs \u00e9lectriques et magn\u00e9tiques sur la sant\u00e9.<\/p>\n<\/div>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb source=\u00a0\u00bb\u00a0\u00bb text=\u00a0\u00bb2013 &#8211; 2017&Prime; font_container=\u00a0\u00bbtag:h2|text_align:left|color:%2349b0e5&Prime; use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb google_fonts=\u00a0\u00bbfont_family:Abril%20Fatface%3Aregular|font_style:400%20regular%3A400%3Anormal\u00a0\u00bb css_animation=\u00a0\u00bb\u00a0\u00bb link=\u00a0\u00bb\u00a0\u00bb el_id=\u00a0\u00bb\u00a0\u00bb el_class=\u00a0\u00bb\u00a0\u00bb css=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_custom_heading text=\u00a0\u00bbDocuments &amp; Liens\u00a0\u00bb font_container=\u00a0\u00bbtag:h2|text_align:left|color:%2349b0e5&Prime; use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb][vc_column_text]\n<ul>\n<li><a href=\"https:\/\/www.bbemg.uliege.be\/files\/FR\/one-single-study-fr.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Information sur \u00ab\u00a0Une seule \u00e9tude, ce n&rsquo;est pas assez!\u00a0\u00bb en PDF 235 Ko)<\/a><\/li>\n<\/ul>\n<p>Avantages et inconv\u00e9nients des divers types de recherches:<\/p>\n<ul>\n<li><a href=\"https:\/\/www.bbemg.uliege.be\/epidemiologie\/?lang=fr\">Epidemiologie<\/a><\/li>\n<li><a href=\"https:\/\/www.bbemg.uliege.be\/experimentation-humaine\/?lang=fr\">Exp\u00e9rimentation humaine<\/a><\/li>\n<li><a href=\"https:\/\/www.bbemg.uliege.be\/etudes-in-vivo-sur-les-animaux\/?lang=fr\">Etudes in vivo<\/a><\/li>\n<li><a href=\"https:\/\/www.bbemg.uliege.be\/etudes-in-vitro-sur-les-cellules\/?lang=fr\">Etudes in vitro<\/a><\/li>\n<li><a href=\"https:\/\/www.bbemg.uliege.be\/modelisation\/?lang=fr\">Mod\u00e9lisation<\/a><\/li>\n<\/ul>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb source=\u00a0\u00bb\u00a0\u00bb text=\u00a0\u00bb2013 &#8211; 2017&Prime; font_container=\u00a0\u00bbtag:h2|text_align:left|color:%2349b0e5&Prime; use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb google_fonts=\u00a0\u00bbfont_family:Abril%20Fatface%3Aregular|font_style:400%20regular%3A400%3Anormal\u00a0\u00bb css_animation=\u00a0\u00bb\u00a0\u00bb link=\u00a0\u00bb\u00a0\u00bb el_id=\u00a0\u00bb\u00a0\u00bb el_class=\u00a0\u00bb\u00a0\u00bb css=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_custom_heading text=\u00a0\u00bbAutres th\u00e8mes qui pourraient vous int\u00e9resser &#8230;\u00a0\u00bb font_container=\u00a0\u00bbtag:h2|text_align:left|color:%2349b0e5&Prime; use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb][vc_column_text]\n<ul>\n<li><a href=\"https:\/\/www.bbemg.uliege.be\/fr\/projet\/\">BBEMG: Projets de recherche<\/a><\/li>\n<li><a href=\"https:\/\/www.bbemg.uliege.be\/revue-de-litterature-effets-sur-la-sante-des-champs-electriques-et-magnetiques-de-frequences-extremement-basses\/?lang=fr\">Revue de litt\u00e9rature<\/a><\/li>\n<\/ul>\n[\/vc_column_text][\/vc_column][\/vc_row]\n","protected":false},"excerpt":{"rendered":"<p>[vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][heading] Une seule \u00e9tude, ce n&rsquo;est pas assez!&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-sidebar.php","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-637","page","type-page","status-publish"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Une seule \u00e9tude, ce n&#039;est pas 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