{"id":80164,"date":"2026-05-26T05:53:09","date_gmt":"2026-05-26T05:53:09","guid":{"rendered":"https:\/\/www.europesays.com\/sk\/80164\/"},"modified":"2026-05-26T05:53:09","modified_gmt":"2026-05-26T05:53:09","slug":"liek-na-srdce-ktory-po-infarkte-uzivaju-miliony-ludi-nemusi-pomahat-kazdemu-nova-studia-naznacuje-ze-niektorym-pacientom-moze-skor-uskodit-vosveteit-sk","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/sk\/80164\/","title":{"rendered":"Liek na srdce, ktor\u00fd po infarkte u\u017e\u00edvaj\u00fa mili\u00f3ny \u013eud\u00ed, nemus\u00ed pom\u00e1ha\u0165 ka\u017ed\u00e9mu. Nov\u00e1 \u0161t\u00fadia nazna\u010duje, \u017ee niektor\u00fdm pacientom m\u00f4\u017ee sk\u00f4r u\u0161kodi\u0165 | Vosveteit.sk"},"content":{"rendered":"

Betablok\u00e1tory patria medzi lieky, ktor\u00e9 lek\u00e1ri predpisuj\u00fa u\u017e cel\u00e9 desa\u0165ro\u010dia, no pre be\u017en\u00e9ho \u010dloveka znej\u00fa dos\u0165 technicky. V skuto\u010dnosti v\u0161ak funguj\u00fa na pomerne jednoduchom princ\u00edpe. Ide o l\u00e1tky, ktor\u00e9 blokuj\u00fa \u00fa\u010dinok stresov\u00fdch horm\u00f3nov adrenal\u00ednu a noradrenal\u00ednu na tzv. beta-receptory v srdci. Tieto receptory reaguj\u00fa na stres t\u00fdm, \u017ee zr\u00fdchlia srdcov\u00fd tep a zv\u00fd\u0161ia silu jeho kontrakci\u00ed.<\/p>\n

Betablok\u00e1tory tento sign\u00e1l \u201estlmia\u201c. Srdce tak bije pomal\u0161ie a menej silno. D\u00e1 sa to prirovna\u0165 k brzdov\u00e9mu syst\u00e9mu, telo s\u00edce st\u00e1le funguje, ale tlak na srdce klesne, \u010do je presne d\u00f4vodom, pre\u010do mali tieto lieky kedysi obrovsk\u00fd v\u00fdznam po infarkte. Lek\u00e1ri nimi vedeli zn\u00ed\u017ei\u0165 riziko nebezpe\u010dn\u00fdch arytmi\u00ed a pomohli oslaben\u00e9mu srdcu zvl\u00e1dnu\u0165 z\u00e1\u0165a\u017e.\u00a0Nov\u00e1 \u0161t\u00fadia, na ktor\u00fa upozornil port\u00e1l Science Daily,<\/a> ale uk\u00e1zala, \u017ee betablok\u00e1tory nemusia by\u0165 tak\u00e9 bezpe\u010dn\u00e9, ako sa predpokladalo.<\/p>\n

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Odoberaj Vosveteit.sk cez Telegram a prihl\u00e1s sa k odberu spr\u00e1v
\n <\/a><\/p>\n

Autori \u0161t\u00fadie hovoria, \u017ee ak srdce pre\u017eilo infarkt v dobrom stave a krvn\u00e9 cievy sa r\u00fdchlo otvorili modernou lie\u010dbou, umel\u00e9 \u201ebrzdenie\u201c u\u017e nemus\u00ed prinies\u0165 \u00fa\u017eitok. \u010clovek potom \u010dasto c\u00edti \u00fanavu, ni\u017e\u0161iu energiu alebo spomalenie, ako keby fungoval s mierne zatiahnutou ru\u010dnou brzdou.<\/p>\n

V\u00fdsledky prich\u00e1dzaj\u00fa z v\u00fdskumu REBOOT, ktor\u00fd nezaplatila \u017eiadna farmaceutick\u00e1 spolo\u010dnos\u0165. Viedlo ju \u0161panielske kardiologick\u00e9 centrum Centro Nacional de Investigaciones Cardiovasculares spolu s akademick\u00fdmi partnermi z Eur\u00f3py. To hr\u00e1 d\u00f4le\u017eit\u00fa rolu. V\u00fdskum, ktor\u00fd nesl\u00fa\u017ei na predaj nov\u00e9ho lieku<\/a>, ale na preverenie star\u00e9ho \u0161tandardu, sa v medic\u00edne objavuje zriedkavo. Farmaceutick\u00e9 firmy prirodzene nemaj\u00fa motiv\u00e1ciu financova\u0165 \u0161t\u00fadie, ktor\u00e9 by mohli zn\u00ed\u017ei\u0165 spotrebu u\u017e existuj\u00facich liekov, aj ke\u010f s\u00fa lacn\u00e9 a dlhodobo pou\u017e\u00edvan\u00e9.<\/p>\n

Pr\u00e1ve preto odborn\u00edci pova\u017euj\u00fa podobn\u00e9 nez\u00e1visl\u00e9 projekty za mimoriadne d\u00f4le\u017eit\u00e9 pre d\u00f4veryhodnos\u0165 medic\u00edny.<\/p>\n

Neprehliadni
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\"Samsung\"Samsung <\/p>\n

\n\t\t\t\t\tTieto nov\u00e9 funkcie v Samsung telef\u00f3noch ti pom\u00f4\u017eu ochr\u00e1ni\u0165 s\u00fakromie. Cudz\u00ed \u010dlovek ved\u013ea teba u\u017e len tak neuvid\u00ed, \u010do rob\u00ed\u0161 na mobile <\/p>\n

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\"tabletky\"tabletkyZdroj: Martin Borko
\n\u00da\u010dinky betablok\u00e1torov sa l\u00ed\u0161ili medzi pohlaviami<\/p>\n

Najviac diskusie vyvolala \u010das\u0165 v\u00fdskumu, ktor\u00e1 uk\u00e1zala rozdielne v\u00fdsledky u \u017eien a mu\u017eov. U \u017eien s norm\u00e1lnou funkciou srdca po infarkte sa pri u\u017e\u00edvan\u00ed betablok\u00e1torov objavilo mierne vy\u0161\u0161ie riziko komplik\u00e1ci\u00ed. V\u00fdskumn\u00edci ho vy\u010d\u00edslili pribli\u017ene na 2,7 % po\u010das nieko\u013ek\u00fdch rokov sledovania. U mu\u017eov sa podobn\u00fd efekt neprejavil. D\u00f4vody zatia\u013e nepoznaj\u00fa presne, no medic\u00edna pon\u00faka viacero vysvetlen\u00ed.<\/p>\n

\u017densk\u00e9 srdce<\/a> m\u00e1 vo v\u0161eobecnosti odli\u0161n\u00fa \u0161trukt\u00faru aj fyziologick\u00e9 nastavenie. Priemerne pracuje s men\u0161\u00edmi komorami a vy\u0161\u0161\u00edm pokojov\u00fdm pulzom. Telo sa tak prirodzene prisp\u00f4sobuje in\u00e9mu rytmu krvn\u00e9ho obehu ne\u017e u mu\u017eov.<\/p>\n

Ke\u010f lek\u00e1ri tento syst\u00e9m umelo spomalia betablok\u00e1tormi, m\u00f4\u017ee d\u00f4js\u0165 k naru\u0161eniu rovnov\u00e1hy cirkul\u00e1cie krvi<\/a>. Pri srdci, ktor\u00e9 sa po infarkte zotavilo a funguje norm\u00e1lne, sa tento z\u00e1sah m\u00f4\u017ee prejavi\u0165 v\u00fdraznej\u0161ie ne\u017e u mu\u017eov.<\/p>\n

V odborn\u00fdch kruhoch sa tento probl\u00e9m sp\u00e1ja so \u0161ir\u0161\u00edm pojmom \u201egender medicine\u201c, teda pr\u00edstupom, ktor\u00fd sk\u00fama rozdiely medzi mu\u017esk\u00fdm a \u017eensk\u00fdm organizmom pri rovnak\u00fdch diagn\u00f3zach. V roku 2026 ide o jednu z r\u00fdchlo rast\u00facich oblast\u00ed kardiol\u00f3gie.<\/p>\n

\u010co betablok\u00e1tory v tele vlastne robia<\/p>\n

Ako sme spomenuli v \u00favode, z poh\u013eadu be\u017en\u00e9ho \u010dloveka ide st\u00e1le o liek, ktor\u00fd zni\u017euje tlak na srdce. Blokuje toti\u017e reakciu organizmu na stresov\u00e9 horm\u00f3ny a t\u00fdm zni\u017euje tep aj silu srdcov\u00fdch s\u0165ahov. V praxi to znamen\u00e1, \u017ee srdce nepracuje v \u201ere\u017eime paniky\u201c, ale v pokojnej\u0161om tempe. Pr\u00e1ve preto sa tieto lieky dlh\u00e9 roky pova\u017eovali za univerz\u00e1lnu ochranu po infarkte. Nov\u00e9 d\u00e1ta v\u0161ak ukazuj\u00fa, \u017ee ich \u00fa\u010dinok z\u00e1vis\u00ed od konkr\u00e9tneho stavu pacienta viac, ne\u017e sa kedysi predpokladalo.<\/p>\n

Betablok\u00e1tory sa v\u0161ak pou\u017e\u00edvaj\u00fa napr\u00edklad aj pri panick\u00fdch z\u00e1chvatoch. S\u00edce nelie\u010dia priamo pr\u00ed\u010dinu z\u00e1chvatov, no m\u00f4\u017eu pom\u00f4c\u0165 potla\u010di\u0165 fyzick\u00fa reakciu tela, ktor\u00e1 z\u00e1chvaty sprev\u00e1dza.<\/p>\n

\"V\u00fdskum\"V\u00fdskumZdroj: Unsplash (Usman Yousaf), Wikimedia (BruceBlaus), \u00daprava: Vosveteit.sk<\/p>\n

V\u00fdsledky \u0161t\u00fadie REBOOT teda nezavrhuj\u00fa betablok\u00e1tory ako tak\u00e9. Sk\u00f4r otv\u00e1raj\u00fa ot\u00e1zku, pre koho maj\u00fa e\u0161te skuto\u010dn\u00fd pr\u00ednos a komu u\u017e m\u00f4\u017eu prinies\u0165 viac ved\u013eaj\u0161\u00edch \u00fa\u010dinkov ne\u017e \u00fa\u017eitku. Aj preto sa v modernej kardiol\u00f3gii \u010doraz viac presadzuje individu\u00e1lny pr\u00edstup namiesto jedn\u00e9ho univerz\u00e1lneho postupu.<\/p>\n

\u201eCie\u013eom je prisp\u00f4sobi\u0165 lie\u010dbu pacientovi, nie pacienta lieku,\u201c hovor\u00ed hlavn\u00fd v\u00fdskumn\u00edk \u0161t\u00fadie, Borja Ib\u00e1\u00f1ez.<\/p>\n

Nov\u00e1 \u0161t\u00fadia REBOOT teda pos\u00fava cel\u00fd v\u00fdskum srdcov\u00fdch ochoren\u00ed smerom od v\u0161eobecn\u00fdch pravidiel k presnej medic\u00edne, ktor\u00e1 zoh\u013ead\u0148uje konkr\u00e9tny stav ka\u017ed\u00e9ho \u010dloveka.<\/p>\n


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