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Ce pigment rouge, appelé hémoglobine, se trouve dans les globules rouges (érythrocytes). Une anémie d`origine alimentaire est due à un apport insuffisant de certain nutriments (acide folique, en fer ou en vitamine B) par l`alimentation. </p> <p>Le texte suivant traitera de la carence en acide folique et des ses conséquences.</p> <p>L`anémie par carence en fer sera traitée dans un autre chapitre. Anémie par carence en fer.</p> <p>Les vitamines B 12, B 6 ainsi que l`acide folique sont essentiels pour la synthèse d`hémoglobine et la production de globules rouges. Ils sont apportés à l`organisme par la nourriture ou par les compléments alimentaires. Une carence en acide folique chez la femme enceinte peut conduire à une malformation de l`enfant.</p></div></div></div><div class="riphwg-1 gBnoao"><div width="12" offset="0" class="riphwg-2 sc-1xct3vi-1 hDbOtM"><div class="no1smy-0 jPwnnt"><h3>Causes</h3><ul> <li>Alimentation déséquilibrée (apport insuffisant en fruits, légumes, céréales) </li> <li>Certains médicaments peuvent entraîner une carence en acide folique, comme la pilule et certains antibiotiques. </li> <li>Consommation chronique d`alcool ou de drogue </li> <li>Viel-âge: les personnes âgées sont des sujets à risque en raison de leur alimentation déséquilibrée </li> <li>Au cours de la grossesse et de l`allaitement, les besoins de la mère en acide folique sont plus élevés. </li> <li>Croissance (adolescents) </li> <li>Apports diminués en cas de maladies chroniques de l`intestin grêle (maladie coéliaque)</li> </ul></div></div></div><div class="riphwg-1 gBnoao"><div width="12" offset="0" class="riphwg-2 sc-1xct3vi-1 hDbOtM"><div class="no1smy-0 jPwnnt"><h3>Troubles (symptômes)</h3><ul> <li>Fatigue </li> <li>Vertiges </li> <li>Pâleur, surtout au niveau des lèvres, des paupières et des gencives. </li> <li>Détresse respiratoire </li> <li>Palpitations </li> <li>Troubles gastro-intestinaux (flatulences, diarrhées) </li> <li>Sécheresse des muqueuses, crevasses au niveau des commissures des lèvres </li> <li>Troubles gustatifs </li> <li>Tendance aux saignements, troubles de la sensibilité </li> <li>Sujets souvent en sous-poids </li> <li>Dépression </li> <li>Une carence en acide folique au cours de la grossesse peut conduire à de graves malformations chez l`enfant (malformation du tube neural ou spina bifida).</li> </ul></div></div></div><div class="riphwg-1 gBnoao"><div width="12" offset="0" class="riphwg-2 sc-1xct3vi-1 hDbOtM"><div class="no1smy-0 jPwnnt"><h3>Examens (diagnostic)</h3><ul> <li>Anamnèse approfondie avec prise en compte des symptômes </li> <li>Confirmation de la carence en acide folique par analyse sanguine </li> </ul></div></div></div><div class="riphwg-1 gBnoao"><div width="12" offset="0" class="riphwg-2 sc-1xct3vi-1 hDbOtM"><div class="no1smy-0 jPwnnt"><h3>Options thérapeutiques</h3><p>La cause sous-jacente, responsable de la carence en acide folique, doit être déterminée et traitée.</p> <h3>Généralités </h3> <ul> <li>Modification immédiate de l`alimentation. Recommandation: au minimum 0.4 mg d`acide folique par jour. </li> </ul> <h3>Les aliments suivants contiennent de l`acide folique:</h3> <ul> <li>Oranges </li> <li>Epinards </li> <li>Chou chinois </li> <li>Fenouil </li> <li>Navets </li> <li>Radis </li> <li>Graines de soja </li> <li>Haricots </li> <li>Flocons d`avoine </li> <li>Champignons </li> <li>Broccoli </li> <li>Viande de boeuf </li> <li>Levure </li> <li>Asperges </li> <li>Lait de vache et lait maternel </li> <li>Noix </li> </ul> <p>L`acide folique est sensible à la lumière, l`oygène et la chaleur. Comme il est hydrosoluble, il peut perdre ses propriétés rapidement.</p> <h3>Médicaments</h3> <p>Préparations à base d`acide folique et de vitamines (en particulier les préparations combinées contenant des vitamines B 12 et B 6). Des études récentes ont montré que la prise de préparations à base d`acide folique 4 semaines avant la grossesse et au minimum 8 semaines au cours de la grossesse prévient la survenue de malformations (0.8 mg/jour). </p> <p>Par ailleurs, des études ont prouvé que l`acide folique est mieux assimilé lorsqu`il est à des préparations à base de vitamine B.</p></div></div></div><div class="kw3gvu-1 cqHIiz"><div class="riphwg-1 kw3gvu-2 fycNAX"><div width="12" offset="0" class="riphwg-2 iwBqiC"><div class="kw3gvu-0 eUIIhe"><h1 class="kw3gvu-3 dxKopd">Egalement susceptible de vous intéresser</h1></div></div></div></div><div class="ulmjm-1 fbgsh"><div class="riphwg-1 ulmjm-0 hHrAfN"><div width="12,12,12,6,4" offset="0" class="riphwg-2 sc-19awdbg-24 kqEFGe"><a class="sc-19awdbg-0 jjdiuF" href="/fr/maladies_et_symptomes/cancer_dans_la_famille_une_predisposition_genetique_en_cause"><div class="sc-19awdbg-1 bJwRQS"><div class="tczn0p-0 dKRQIw"><picture><source media="(min-width: 1025px)" srcSet="/.imaging/focus/dam/MyMed/Adobe/Adobe_Krebs_Familie.jpeg?ratio=0.5625&width=600"/><source media="(min-width: 426px)" srcSet="/.imaging/focus/dam/MyMed/Adobe/Adobe_Krebs_Familie.jpeg?ratio=0.5625&width=600"/><img src="/.imaging/focus/dam/MyMed/Adobe/Adobe_Krebs_Familie.jpeg?ratio=0.5625&width=425" alt="Cancer dans la famille" class="tczn0p-2 ktQGfO"/></picture><div class="tczn0p-3 hkgsDp"><div class="tczn0p-4 dAaRrr"></div></div></div></div><p class="sc-19awdbg-5 fAelDZ">Maladies & symptômes</p><div class="sc-19awdbg-2 fOolCd"><div class="sc-19awdbg-19 ibawSj"><div class="sc-19awdbg-20 gXqnAH"><h5 class="sc-1qyt53r-4 bqPmWm sc-19awdbg-3 jnFMKE">Cancer dans la famille : une prédisposition génétique en cause ?</h5></div><div class="sc-19awdbg-15 hylSwn"><div class="sc-19awdbg-16 dANDcP"><p class="sc-1i5rjev-2 ijwDhN sc-19awdbg-4 kTtqAE">24.02.2021</p></div></div></div><p class="sc-1i5rjev-1 hPaqSL sc-19awdbg-4 kTtqAE">Dans certains cas, des changements au sein du génome sont transmis d’une génération à l’autre...</p></div></a></div><div width="12,12,12,6,4" offset="0" class="riphwg-2 sc-19awdbg-24 kqEFGe"><a class="sc-19awdbg-0 jjdiuF" href="/fr/maladies_et_symptomes/le_cavernome_comment_reconnaitre_la_malformation_vasculaire_dans_le_cerveau_et_comment_la_soigner"><div class="sc-19awdbg-1 bJwRQS"><div class="tczn0p-0 dKRQIw"><picture><source media="(min-width: 1025px)" srcSet="/.imaging/focus/dam/MyMed/Adobe/Adobe_Gehirn_MRI.jpeg?ratio=0.5625&width=600"/><source media="(min-width: 426px)" srcSet="/.imaging/focus/dam/MyMed/Adobe/Adobe_Gehirn_MRI.jpeg?ratio=0.5625&width=600"/><img src="/.imaging/focus/dam/MyMed/Adobe/Adobe_Gehirn_MRI.jpeg?ratio=0.5625&width=425" alt="Cavernome" class="tczn0p-2 ktQGfO"/></picture><div class="tczn0p-3 hkgsDp"><div class="tczn0p-4 dAaRrr"></div></div></div></div><p class="sc-19awdbg-5 fAelDZ">Maladies & symptômes</p><div class="sc-19awdbg-2 fOolCd"><div class="sc-19awdbg-19 ibawSj"><div class="sc-19awdbg-20 gXqnAH"><h5 class="sc-1qyt53r-4 bqPmWm sc-19awdbg-3 jnFMKE">Le cavernome : comment reconnaître la malformation vasculaire dans le cerveau et comment la soigner?</h5></div><div class="sc-19awdbg-15 hylSwn"><div class="sc-19awdbg-16 dANDcP"><p class="sc-1i5rjev-2 ijwDhN sc-19awdbg-4 kTtqAE">19.02.2021</p></div></div></div><p class="sc-1i5rjev-1 hPaqSL sc-19awdbg-4 kTtqAE">Dr Philippe Bijlenga, médecin adjoint agrégé du service de neurochirurgie des HUG, Genève nous parle du cavernome...</p></div></a></div><div width="12,12,12,6,4" offset="0" class="riphwg-2 sc-19awdbg-24 kqEFGe"><a class="sc-19awdbg-0 jjdiuF" href="/fr/maladies_et_symptomes/apnees_du_sommeil_quand_la_respiration_s_arrete_pendant_la_nuit"><div class="sc-19awdbg-1 bJwRQS"><div class="tczn0p-0 dKRQIw"><picture><source media="(min-width: 1025px)" srcSet="/.imaging/focus/dam/MyMed/Netzwerk/1549868847.jpg?ratio=0.5625&width=600"/><source media="(min-width: 426px)" srcSet="/.imaging/focus/dam/MyMed/Netzwerk/1549868847.jpg?ratio=0.5625&width=600"/><img src="/.imaging/focus/dam/MyMed/Netzwerk/1549868847.jpg?ratio=0.5625&width=425" alt="Apnées du sommeil" class="tczn0p-2 ktQGfO"/></picture><div class="tczn0p-3 hkgsDp"><div class="tczn0p-4 dAaRrr"></div></div></div></div><p class="sc-19awdbg-5 fAelDZ">Maladies & symptômes</p><div class="sc-19awdbg-2 fOolCd"><div class="sc-19awdbg-19 ibawSj"><div class="sc-19awdbg-20 gXqnAH"><h5 class="sc-1qyt53r-4 bqPmWm sc-19awdbg-3 jnFMKE">Apnées du sommeil : quand la respiration s’arrête pendant la nuit</h5></div><div class="sc-19awdbg-15 hylSwn"><div class="sc-19awdbg-16 dANDcP"><p class="sc-1i5rjev-2 ijwDhN sc-19awdbg-4 kTtqAE">15.02.2021</p></div></div></div><p class="sc-1i5rjev-1 hPaqSL sc-19awdbg-4 kTtqAE">Une personne adulte sur 15 souffre d’une forme modérée du syndrome d’apnée du sommeil obstructive. 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In der Schwangerschaft kann dies einen offenen Rücken beim Kind verursachen. 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Ce pigment rouge, appelé hémoglobine, se trouve dans les globules rouges (érythrocytes). Une anémie d`origine alimentaire est due à un apport insuffisant de certain nutriments (acide folique, en fer ou en vitamine B) par l`alimentation.\u0026nbsp; \u003c/p\u003e\n\u003cp\u003eLe texte suivant traitera de la carence en acide folique et des ses conséquences.\u003c/p\u003e\n\u003cp\u003eL`anémie par carence en fer sera traitée dans un autre chapitre. Anémie par carence en fer.\u003c/p\u003e\n\u003cp\u003eLes vitamines B 12, B 6 ainsi que l`acide folique sont essentiels pour la synthèse d`hémoglobine et la production de globules rouges. Ils sont apportés à l`organisme par la nourriture ou par les compléments alimentaires. Une carence en acide folique chez la femme enceinte peut conduire à une malformation de l`enfant.\u003c/p\u003e"}},"extraContentBox":false,"extraContentSize":"0.33"}},{"type":"Pe005Text","props":{"extraContentPosition":"left","componentColor":{"mainColor":null,"secondaryColor":"#FFFFFF"},"richText":{"type":"RichText","props":{"content":"\u003ch3\u003eCauses\u003c/h3\u003e\u003cul\u003e\n \u003cli\u003eAlimentation déséquilibrée (apport insuffisant en fruits, légumes, céréales) \u003c/li\u003e\n \u003cli\u003eCertains médicaments peuvent entraîner une carence en acide folique, comme la pilule et certains antibiotiques. \u003c/li\u003e\n \u003cli\u003eConsommation chronique d`alcool ou de drogue \u003c/li\u003e\n \u003cli\u003eViel-âge: les personnes âgées sont des sujets à risque en raison de leur alimentation déséquilibrée \u003c/li\u003e\n \u003cli\u003eAu cours de la grossesse et de l`allaitement, les besoins de la mère en acide folique sont plus élevés. \u003c/li\u003e\n \u003cli\u003eCroissance (adolescents) \u003c/li\u003e\n \u003cli\u003eApports diminués en cas de maladies chroniques de l`intestin grêle (maladie coéliaque)\u003c/li\u003e\n\u003c/ul\u003e"}},"extraContentBox":false,"extraContentSize":"0.33"}},{"type":"Pe005Text","props":{"extraContentPosition":"left","componentColor":{"mainColor":null,"secondaryColor":"#FFFFFF"},"richText":{"type":"RichText","props":{"content":"\u003ch3\u003eTroubles (symptômes)\u003c/h3\u003e\u003cul\u003e\n \u003cli\u003eFatigue \u003c/li\u003e\n \u003cli\u003eVertiges \u003c/li\u003e\n \u003cli\u003ePâleur, surtout au niveau des lèvres, des paupières et des gencives. \u003c/li\u003e\n \u003cli\u003eDétresse respiratoire \u003c/li\u003e\n \u003cli\u003ePalpitations \u003c/li\u003e\n \u003cli\u003eTroubles gastro-intestinaux (flatulences, diarrhées) \u003c/li\u003e\n \u003cli\u003eSécheresse des muqueuses, crevasses au niveau des commissures des lèvres \u003c/li\u003e\n \u003cli\u003eTroubles gustatifs \u003c/li\u003e\n \u003cli\u003eTendance aux saignements, troubles de la sensibilité \u003c/li\u003e\n \u003cli\u003eSujets souvent en sous-poids \u003c/li\u003e\n \u003cli\u003eDépression \u003c/li\u003e\n \u003cli\u003eUne carence en acide folique au cours de la grossesse peut conduire à de graves malformations chez l`enfant (malformation du tube neural ou spina bifida).\u003c/li\u003e\n\u003c/ul\u003e"}},"extraContentBox":false,"extraContentSize":"0.33"}},{"type":"Pe005Text","props":{"extraContentPosition":"left","componentColor":{"mainColor":null,"secondaryColor":"#FFFFFF"},"richText":{"type":"RichText","props":{"content":"\u003ch3\u003eExamens (diagnostic)\u003c/h3\u003e\u003cul\u003e\n \u003cli\u003eAnamnèse approfondie avec prise en compte des symptômes \u003c/li\u003e\n \u003cli\u003eConfirmation de la carence en acide folique par analyse sanguine \u003c/li\u003e\n\u003c/ul\u003e"}},"extraContentBox":false,"extraContentSize":"0.33"}},{"type":"Pe005Text","props":{"extraContentPosition":"left","componentColor":{"mainColor":null,"secondaryColor":"#FFFFFF"},"richText":{"type":"RichText","props":{"content":"\u003ch3\u003eOptions thérapeutiques\u003c/h3\u003e\u003cp\u003eLa cause sous-jacente, responsable de la carence en acide folique, doit être déterminée et traitée.\u003c/p\u003e\n\u003ch3\u003eGénéralités \u003c/h3\u003e\n\u003cul\u003e\n \u003cli\u003eModification immédiate de l`alimentation. Recommandation: au minimum 0.4 mg d`acide folique par jour. \u003c/li\u003e\n\u003c/ul\u003e\n\u003ch3\u003eLes aliments suivants contiennent de l`acide folique:\u003c/h3\u003e\n\u003cul\u003e\n \u003cli\u003eOranges \u003c/li\u003e\n \u003cli\u003eEpinards \u003c/li\u003e\n \u003cli\u003eChou chinois \u003c/li\u003e\n \u003cli\u003eFenouil \u003c/li\u003e\n \u003cli\u003eNavets \u003c/li\u003e\n \u003cli\u003eRadis \u003c/li\u003e\n \u003cli\u003eGraines de soja \u003c/li\u003e\n \u003cli\u003eHaricots \u003c/li\u003e\n \u003cli\u003eFlocons d`avoine \u003c/li\u003e\n \u003cli\u003eChampignons \u003c/li\u003e\n \u003cli\u003eBroccoli \u003c/li\u003e\n \u003cli\u003eViande de boeuf \u003c/li\u003e\n \u003cli\u003eLevure \u003c/li\u003e\n \u003cli\u003eAsperges \u003c/li\u003e\n \u003cli\u003eLait de vache et lait maternel \u003c/li\u003e\n \u003cli\u003eNoix \u003c/li\u003e\n\u003c/ul\u003e\n\u003cp\u003eL`acide folique est sensible à la lumière, l`oygène et la chaleur. Comme il est hydrosoluble, il peut perdre ses propriétés rapidement.\u003c/p\u003e\n\u003ch3\u003eMédicaments\u003c/h3\u003e\n\u003cp\u003ePréparations à base d`acide folique et de vitamines (en particulier les préparations combinées contenant des vitamines B 12 et B 6). Des études récentes ont montré que la prise de préparations à base d`acide folique 4 semaines avant la grossesse et au minimum 8 semaines au cours de la grossesse prévient la survenue de malformations (0.8 mg/jour). \u003c/p\u003e\n\u003cp\u003ePar ailleurs, des études ont prouvé que l`acide folique est mieux assimilé lorsqu`il est à des préparations à base de vitamine B.\u003c/p\u003e"}},"extraContentBox":false,"extraContentSize":"0.33"}}]},{"type":"Area","children":[{"type":"Wrapper","children":[{"type":"Pe009TeaserGridHeader","props":{"componentColor":{"mainColor":"#F7F2E9","secondaryColor":"#FFFFFF"},"headline":"Egalement susceptible de vous intéresser"}},{"type":"Pe008TeaserGrid","props":{"componentColor":{"mainColor":"#F7F2E9","secondaryColor":"#FFFFFF"},"teaserCount":3},"children":[{"type":"Teaser","props":{"date":{"type":"Text","props":{"type":"small","content":"24.02.2021"}},"image":{"type":"Image","props":{"src":"/.imaging/focus/dam/MyMed/Adobe/Adobe_Krebs_Familie.jpeg","loadingIndicator":false,"alt":"Cancer dans la famille","ratio":"0.0"}},"teaserType":"default","link":{"type":"Anchor","props":{"href":"/fr/maladies_et_symptomes/cancer_dans_la_famille_une_predisposition_genetique_en_cause"}},"text":{"type":"Text","props":{"type":"normal","content":"Dans certains cas, des changements au sein du génome sont transmis d’une génération à l’autre..."}},"category":"Maladies \u0026 symptômes","headline":{"type":"Headline","props":{"type":"h5","content":"Cancer dans la famille : une prédisposition génétique en cause ?"}}}},{"type":"Teaser","props":{"date":{"type":"Text","props":{"type":"small","content":"19.02.2021"}},"image":{"type":"Image","props":{"src":"/.imaging/focus/dam/MyMed/Adobe/Adobe_Gehirn_MRI.jpeg","loadingIndicator":false,"alt":"Cavernome","ratio":"0.0"}},"teaserType":"default","link":{"type":"Anchor","props":{"href":"/fr/maladies_et_symptomes/le_cavernome_comment_reconnaitre_la_malformation_vasculaire_dans_le_cerveau_et_comment_la_soigner"}},"text":{"type":"Text","props":{"type":"normal","content":"Dr Philippe Bijlenga, médecin adjoint agrégé du service de neurochirurgie des HUG, Genève nous parle du cavernome..."}},"category":"Maladies \u0026 symptômes","headline":{"type":"Headline","props":{"type":"h5","content":"Le cavernome : comment reconnaître la malformation vasculaire dans le cerveau et comment la soigner?"}}}},{"type":"Teaser","props":{"date":{"type":"Text","props":{"type":"small","content":"15.02.2021"}},"image":{"type":"Image","props":{"src":"/.imaging/focus/dam/MyMed/Netzwerk/1549868847.jpg","loadingIndicator":false,"alt":"Apnées du sommeil","ratio":"0.0"}},"teaserType":"default","link":{"type":"Anchor","props":{"href":"/fr/maladies_et_symptomes/apnees_du_sommeil_quand_la_respiration_s_arrete_pendant_la_nuit"}},"text":{"type":"Text","props":{"type":"normal","content":"Une personne adulte sur 15 souffre d’une forme modérée du syndrome d’apnée du sommeil obstructive. 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