{"id":5179,"date":"2018-04-12T09:00:19","date_gmt":"2018-04-12T07:00:19","guid":{"rendered":"https:\/\/asscat-hepatitis.org\/reactivacion-de-la-hepatitis-b-en-pacientes-con-artritis-cronica-y-tratamiento-inmunosupresor\/"},"modified":"2018-07-10T10:26:48","modified_gmt":"2018-07-10T08:26:48","slug":"reactivacio-de-lhepatitis-b-en-pacients-amb-artritis-cronica-i-tractament-immunosupressor","status":"publish","type":"post","link":"https:\/\/asscat-hepatitis.org\/ca\/reactivacio-de-lhepatitis-b-en-pacients-amb-artritis-cronica-i-tractament-immunosupressor\/","title":{"rendered":"Reactivaci\u00f3 de l\u2019hepatitis B en pacients amb artritis cr\u00f2nica i tractament immunosupressor"},"content":{"rendered":"<p>[et_pb_section bb_built=&#8221;1&#8243; disabled_on=&#8221;off|off|off&#8221; _builder_version=&#8221;3.0.106&#8243; custom_margin=&#8221;|||&#8221; custom_padding=&#8221;0px||0px|&#8221; next_background_color=&#8221;#000000&#8243;][et_pb_row custom_padding=&#8221;0px||0px|&#8221; _builder_version=&#8221;3.0.106&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221;][et_pb_column type=&#8221;4_4&#8243;][et_pb_post_title author=&#8221;off&#8221; date_format=&#8221;d\/m\/Y&#8221; comments=&#8221;off&#8221; featured_placement=&#8221;background&#8221; text_background=&#8221;on&#8221; text_bg_color=&#8221;#ffffff&#8221; module_class=&#8221;ac-post-title-section-0&#8243; _builder_version=&#8221;3.0.106&#8243; title_font=&#8221;Montserrat|600|||||||&#8221; title_text_color=&#8221;#2d2d2d&#8221; title_letter_spacing=&#8221;-1px&#8221; title_line_height=&#8221;1.2em&#8221; meta_font=&#8221;Open Sans||||||||&#8221; meta_text_color=&#8221;rgba(45,45,45,0.5)&#8221; text_orientation=&#8221;center&#8221; custom_margin=&#8221;|||&#8221; custom_padding=&#8221;|20px|20px|20px&#8221; title_text_align=&#8221;center&#8221; meta_font_size=&#8221;13px&#8221; meta_text_align=&#8221;center&#8221;]<\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_post_title][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section bb_built=&#8221;1&#8243; specialty=&#8221;on&#8221; _builder_version=&#8221;3.0.106&#8243; custom_padding=&#8221;0px|||&#8221; prev_background_color=&#8221;#000000&#8243; next_background_color=&#8221;#000000&#8243;][et_pb_column type=&#8221;2_3&#8243; specialty_columns=&#8221;2&#8243;][et_pb_row_inner admin_label=&#8221;Fila&#8221; _builder_version=&#8221;3.0.106&#8243;][et_pb_column_inner type=&#8221;4_4&#8243; saved_specialty_column_type=&#8221;2_3&#8243;][et_pb_text admin_label=&#8221;Contenido Entrada 1&#8243; ul_type=&#8221;square&#8221; module_class=&#8221;ac-posts-content&#8221; _builder_version=&#8221;3.0.106&#8243; text_orientation=&#8221;justified&#8221; background_layout=&#8221;light&#8221;]<\/p>\n<h3>Els actuals tractaments de l\u2019artritis per reuma (i d\u2019altres artritis cr\u00f2niques) han millorat espectacularment el pron\u00f2stic funcional d\u2019aquestes malalties.<\/h3>\n<h3>Es tracta de f\u00e0rmacs potents que precisen monitoritzaci\u00f3 en el seu inici i durant el tractament. Donat que el tractament \u00e9s de durada indefinida, el metge d\u2019atenci\u00f3 prim\u00e0ria haur\u00e0 d\u2019implicar-se en el seguiment en benefici del pacient.<\/h3>\n<h3>Un dels possibles riscos del tractament immunosupressor \u00e9s la reactivaci\u00f3 de l\u2019hepatitis B en pacients amb la malaltia curada, tot i que la taxa de reactivaci\u00f3 no \u00e9s molt alta.<\/h3>\n<p>Una de les preocupacions dels cl\u00ednics davant del diagn\u00f2stic en un pacient d\u2019una artritis per reuma (o un altre tipus d\u2019artritis cr\u00f2nica) \u00e9s l\u2019hepatotoxicitat dels medicament empleats, pel que ha d\u2019avaluar-se la funci\u00f3 hep\u00e0tica, el consum d\u2019alcohol i la serologia enfront a l\u2019hepatitis B i C.<\/p>\n<p>La infecci\u00f3 pel virus de l\u2019hepatitis B no contraindica de forma absoluta els tractaments, per\u00f2 existeix el risc d\u2019una possible reactivaci\u00f3, que pot tenir lloc de dues maneres: una amb una perillosa proliferaci\u00f3 viral en subjectes que expressen l\u2019antigen HBsAg (portadors sans), i una altra, menys perillosa, en subjectes amb una infecci\u00f3 oculta HBsAg negatiu, i HBcAb positiu o HBsAb positiu, independentment del possible increment dels efectes hepatot\u00f2xics de diversos tractaments.<\/p>\n<p>Per valorar aquest risc de reactivaci\u00f3, els autors van realitzar un estudi en 1.042 subjectes en tractaments amb corticoides (dosis equivalents o superiors a 5 mg\/dia), f\u00e0rmacs modificadors de la malaltia de s\u00edntesi o agents biol\u00f2gics (anti-TNF, tocilizumab, abatacept).<\/p>\n<p>Els autors van incloure a l\u2019estudi a 959 pacients amb artritis per reuma i 83 amb d\u2019altres artritis cr\u00f2niques, amb algun dels tractaments descrits, i es va aconseguir completar el seguiment de 1.907 pacients a l\u2019any. Els pacients tenien criteris d\u2019infecci\u00f3 pel virus de l\u2019hepatitis B resolta (HBsAg negatiu, i HBsAb positiu o HBcAc positiu i ADN viral-VHB ADN negatiu). Es va excloure als pacients amb HBsAb positiu i HBcAb negatiu amb una hist\u00f2ria de vacunaci\u00f3 enfront a l\u2019hepatitis B.<\/p>\n<p>Els autors van definir la reactivaci\u00f3 com l\u2019aparici\u00f3 de positivitat en el s\u00e8rum per VHB ADN mitjan\u00e7ant la reacci\u00f3 en cadena de la polimerasa, i van trobar una taxa de reactivaci\u00f3 d\u20191,93 casos\/100 pacients a l\u2019any amb malaltia reum\u00e0tica en tractament immunodepressiu, que corresponia a 32 pacients amb artritis per reuma i a 3 amb d\u2019altres artritis cr\u00f2niques. Igualment, van trobar una associaci\u00f3 entre el risc de reactivaci\u00f3 i l\u2019edat, i l\u2019\u00fas de metilprednisolona o d\u2019altres esteroides; pel contrari, no hi havia una associaci\u00f3 significativa amb l\u2019\u00fas d\u2019agents biol\u00f2gics (tot i que s\u00ed un lleu augment) i es produeix un descens significatiu amb el tractament amb metotrexato.<\/p>\n<p>Els resultats confirmen que, tot i que no sigui un problema excessivament freq\u00fcent, els pacients amb artritis per reuma precisen d\u2019una monitoritzaci\u00f3 a l\u2019inici i durant el tractament de la malaltia que ha d\u2019incloure la serologia enfront a l\u2019hepatitis i, potser anualment, hauria de determinar-se el nombre de c\u00f2pies virals quan s\u2019inici\u00ef el tractament en pacients que han passat una hepatitis B, especialment si s\u2019empren corticoides, tot i que a l\u2019inici del tractament puguin considerar-se curats.<\/p>\n<p>La taxa de reactivaci\u00f3 \u00e9s relativament baixa i, en conjunci\u00f3 amb la mida de la mostra, no permet extreure conclusions pels agents biol\u00f2gics, cada cop m\u00e9s emprats en aquesta patologia, ni tan sols pel grup de medicaments. Tampoc hi ha dades v\u00e0lides respecte als f\u00e0rmacs modificadors de la malaltia \u201ccl\u00e0ssics\u201d diferents del metotrexato i els corticoides, tot i que probablement les conclusions referides en el par\u00e0graf anterior poden aplicar-se mentre no existeixi una evid\u00e8ncia de millor qualitat.<\/p>\n<p>Els actuals tractaments han canviat el pron\u00f2stic de l\u2019artritis per reuma i d\u2019altres malalties reum\u00e0tiques, i ha disminu\u00eft la progressi\u00f3 a formes amb greu afectaci\u00f3 de l\u2019aparell locomotor, per\u00f2 sempre hem de tenir en compte el balan\u00e7 risc-benefici i adequar el tractament als antecedents i prefer\u00e8ncies del pacient.<\/p>\n<h6><\/h6>\n<h6>Font:\u00a0<a href=\"http:\/\/www.sietediasmedicos.com\/index.php?option=com_k2&amp;view=item&amp;id=7383:reactivacion-de-la-hepatitis-b-en-pacientes-con-artritis-cronica-y-tratamiento-inmunosupresor&amp;Itemid=701#.Ws9XbtNuZo4\">sietediasmedicos.com<\/a><\/h6>\n<h6>Refer\u00e8ncia:\u00a0<a href=\"http:\/\/ard.bmj.com\/content\/76\/6\/1051\">Fukuda W, Hanyu T, Katayama M, Mizuki S, Okada A, Miyata M, et al. Incidence of hepatitis B virus reactivation in patients with resolved infection on immunosuppresive therapy for rheumatic disease: a multicentre, prospective, observational study in Japan. Ann Rheum Dis. 2017; 76: 1.051-1.056. Disponible en: http:\/\/ard.bmj.com\/content\/76\/6\/1051<\/a><\/h6>\n<h6>Not\u00edcia tradu\u00efda per l&#8217;ASSCAT<\/h6>\n<p>[\/et_pb_text][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner admin_label=&#8221;Fila&#8221; custom_padding=&#8221;0px|||&#8221; _builder_version=&#8221;3.0.105&#8243; custom_margin=&#8221;|||&#8221;][et_pb_column_inner type=&#8221;4_4&#8243; saved_specialty_column_type=&#8221;2_3&#8243;][et_pb_post_title admin_label=&#8221;Metadatos &#8211; Fecha \u00daltima actualizaci\u00f3n&#8221; title=&#8221;off&#8221; author=&#8221;off&#8221; date_format=&#8221;d\/m\/Y&#8221; categories=&#8221;off&#8221; comments=&#8221;off&#8221; featured_image=&#8221;off&#8221; _builder_version=&#8221;3.0.106&#8243; title_text_align=&#8221;left&#8221; meta_font=&#8221;Open Sans||||||||&#8221; meta_text_align=&#8221;left&#8221; meta_font_size=&#8221;13px&#8221; meta_text_color=&#8221;#0082ca&#8221; border_width_top=&#8221;1px&#8221; border_color_top=&#8221;#cccccc&#8221; custom_margin=&#8221;50px|||&#8221; custom_padding=&#8221;10px|||&#8221; custom_css_before=&#8221;content:%22\u00daltima actualizaci\u00f3n:%22;&#8221; global_module=&#8221;3449&#8243; saved_tabs=&#8221;all&#8221;]<\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_post_title][\/et_pb_column_inner][\/et_pb_row_inner][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243;][et_pb_sidebar orientation=&#8221;right&#8221; area=&#8221;et_pb_widget_area_8&#8243; module_class=&#8221;ac-posts-sidebar&#8221; _builder_version=&#8221;3.0.106&#8243; global_module=&#8221;3198&#8243; saved_tabs=&#8221;all&#8221;]<\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_sidebar][\/et_pb_column][\/et_pb_section][et_pb_section bb_built=&#8221;1&#8243; _builder_version=&#8221;3.0.106&#8243; custom_padding=&#8221;||0px|&#8221; prev_background_color=&#8221;#000000&#8243; module_class=&#8221;ac-post-section-share-rrss&#8221;][et_pb_row custom_padding=&#8221;||0px|&#8221; custom_margin=&#8221;|||&#8221; _builder_version=&#8221;3.0.105&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; 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