{"id":21890,"date":"2026-11-09T10:27:47","date_gmt":"2026-11-09T09:27:47","guid":{"rendered":"https:\/\/www.welovecycling.com\/sk\/?p=21890"},"modified":"2026-11-09T10:28:20","modified_gmt":"2026-11-09T09:28:20","slug":"novy-vyskum-spochybnuje-dlhorocne-obavy-z-vplyvu-kavy-na-srdcovy-rytmus","status":"publish","type":"post","link":"https:\/\/www.welovecycling.com\/sk\/2026\/11\/09\/novy-vyskum-spochybnuje-dlhorocne-obavy-z-vplyvu-kavy-na-srdcovy-rytmus\/","title":{"rendered":"Nov\u00fd v\u00fdskum spochyb\u0148uje dlhoro\u010dn\u00e9 obavy z vplyvu k\u00e1vy na srdcov\u00fd rytmus"},"content":{"rendered":"

Kofe\u00edn patril v oblasti zdravia srdca cel\u00e9 roky do kateg\u00f3rie \u201esk\u00f4r \u0161kodliv\u00fd ne\u017e u\u017eito\u010dn\u00fd\u201c \u2013 obzvl\u00e1\u0161\u0165 vtedy, ak v\u00e1m diagnostikovali poruchu srdcov\u00e9ho rytmu. Mnoh\u00ed kardiol\u00f3govia pacientom s fibril\u00e1ciou predsien\u00ed prevent\u00edvne odpor\u00fa\u010daj\u00fa k\u00e1vu \u00faplne vysadi\u0165. Nov\u00fd v\u00fdskum v\u0161ak nazna\u010duje, \u017ee toto zakorenen\u00e9 odpor\u00fa\u010danie je nielen zbyto\u010dn\u00e9, ale pravdepodobne aj myln\u00e9.<\/b><\/p>\n

<\/p>\n

\u201eLek\u00e1ri pacientom s touto arytmiou v\u017edy radili minimalizova\u0165 pr\u00edjem k\u00e1vy. Na\u0161a \u0161t\u00fadia v\u0161ak ukazuje, \u017ee k\u00e1va je nielen bezpe\u010dn\u00e1, ale s ve\u013ekou pravdepodobnos\u0165ou m\u00e1 na srdce aj ochrann\u00fd \u00fa\u010dinok,\u201c uv\u00e1dza hlavn\u00fd autor <\/span>prelomov\u00e9ho v\u00fdskumu <\/span><\/a>Christopher X. Wong.<\/span><\/p>\n

\u010co je fibril\u00e1cia predsien\u00ed a pre\u010do by mala cyklistov zauj\u00edma\u0165?<\/strong><\/h2>\n

Fibril\u00e1cia predsien\u00ed (\u010dasto ozna\u010dovan\u00e1 skratkou AFib) je naj\u010dastej\u0161ou pretrv\u00e1vaj\u00facou poruchou srdcov\u00e9ho rytmu. Sp\u00f4sobuje nepravideln\u00fd a \u010dasto pr\u00edli\u0161 r\u00fdchly tep, \u010d\u00edm zvy\u0161uje riziko cievnej mozgovej pr\u00edhody \u010di zlyhania srdca.<\/span><\/p>\n

Hoci sa AFib \u010dastej\u0161ie vyskytuje vo vy\u0161\u0161om veku, vytrvalostn\u00ed \u0161portovci vo\u010di nej nie s\u00fa im\u00fanni. Dlhodobo vysok\u00e1 tr\u00e9ningov\u00e1 z\u00e1\u0165a\u017e, \u0161truktur\u00e1lne zmeny srdcovej svaloviny a opakovan\u00e1 dehydrat\u00e1cia \u2013 to v\u0161etko zvy\u0161uje riziko vzniku arytmie. Mnoh\u00ed sk\u00fasen\u00ed cyklisti tak poznaj\u00fa niekoho, komu po rokoch zdrav\u00e9ho tr\u00e9novania ne\u010dakane diagnostikovali pr\u00e1ve t\u00fato poruchu.<\/span><\/p>\n

Pr\u00e1ve preto sa ku kofe\u00ednu v tejto skupine \u0161portovcov v\u017edy pristupovalo s opatrnos\u0165ou.<\/span><\/p>\n

\u0160t\u00fadia, ktor\u00e1 spochybnila zabehnut\u00e9 odpor\u00fa\u010dania<\/strong><\/h2>\n

\u0160t\u00fadia DECAF (skratka z Does Eliminating Coffee Avoid Fibrillation) je prvou randomizovanou klinickou \u0161t\u00fadiou, ktor\u00e1 priamo testovala, \u010di kofe\u00edn z k\u00e1vy ovplyv\u0148uje n\u00e1vrat fibril\u00e1cie predsien\u00ed.
\nV\u00fdskumn\u00edci do nej zaradili 200 \u013eud\u00ed, ktor\u00ed pravidelne pij\u00fa k\u00e1vu a mali v anamn\u00e9ze AFib alebo flater predsien\u00ed. V\u0161etci mali napl\u00e1novan\u00fa elektrick\u00fa kardioverziu \u2013 z\u00e1krok na obnovenie norm\u00e1lneho srdcov\u00e9ho rytmu. Po \u0148om \u00fa\u010dastn\u00edkov n\u00e1hodne rozdelili do dvoch skup\u00edn na obdobie 6 mesiacov:
\n\u2022 Jedna skupina pila denne aspo\u0148 1 \u0161\u00e1lku kofe\u00ednovej k\u00e1vy alebo espresso.
\n\u2022 Druh\u00e1 skupina sa \u00faplne vyh\u00fdbala k\u00e1vov\u00fdm a kofe\u00ednov\u00fdm n\u00e1pojom.<\/p>\n

Konzumentom k\u00e1vy sa darilo lep\u0161ie, nie hor\u0161ie<\/strong><\/h2>\n

Na konci \u0161t\u00fadie mala skupina, ktor\u00e1 pila k\u00e1vu, o 39 % ni\u017e\u0161ie riziko n\u00e1vratu AFib. Tento v\u00fdsledok ide priamo proti desa\u0165ro\u010diam konzervat\u00edvnych lek\u00e1rskych rad.<\/span><\/p>\n

Pod\u013ea spoluautora \u0161t\u00fadie Gregoryho Marcusa m\u00f4\u017ee kofe\u00edn pom\u00e1ha\u0165 viacer\u00fdmi sp\u00f4sobmi. Pitie k\u00e1vy sa sp\u00e1ja s vy\u0161\u0161ou dennou fyzickou aktivitou, ktor\u00e1 sama osebe zni\u017euje riziko arytmie. Kofe\u00edn m\u00e1 tie\u017e mierne mo\u010dopudn\u00e9 \u00fa\u010dinky, \u010do pom\u00e1ha zni\u017eova\u0165 krvn\u00fd tlak. Okrem toho k\u00e1va obsahuje protiz\u00e1palov\u00e9 l\u00e1tky, ktor\u00e9 m\u00f4\u017eu pozit\u00edvne ovplyv\u0148ova\u0165 srdcov\u00e9 tkanivo.<\/span><\/p>\n

Existuje aj jednoduch\u0161ie vysvetlenie: \u013eudia, ktor\u00ed pij\u00fa k\u00e1vu, \u0148ou \u010dasto nahradia menej zdrav\u00e9 n\u00e1poje, napr\u00edklad sladen\u00e9 limon\u00e1dy. Nech u\u017e je mechanizmus ak\u00fdko\u013evek, v\u00fdsledok bol dostato\u010dne jednozna\u010dn\u00fd na to, aby ho v\u00fdskumn\u00edci ozna\u010dili za ohromuj\u00faci.<\/span><\/p>\n

\u010co to znamen\u00e1 pre cyklistov?<\/strong><\/h2>\n

T\u00e1to \u0161t\u00fadia neznamen\u00e1, \u017ee \u010d\u00edm viac k\u00e1vy vypijete, t\u00fdm lep\u0161ie, ani to, \u017ee kofe\u00edn nem\u00f4\u017ee u niektor\u00fdch jedincov vyvola\u0165 nepr\u00edjemn\u00e9 pr\u00edznaky. Individu\u00e1lna citlivos\u0165 sa st\u00e1le l\u00ed\u0161i. \u0160t\u00fadia v\u0161ak d\u00f4razne nazna\u010duje, \u017ee mierny pr\u00edjem k\u00e1vy nie je pre srdcov\u00fd rytmus nebezpe\u010dn\u00fd, a to ani u \u013eud\u00ed s u\u017e diagnostikovanou AFib. Pre cyklistov je to mimoriadne upokojuj\u00faca spr\u00e1va.<\/span><\/p>\n

Ak m\u00e1te k\u00e1vu radi a kofe\u00edn zn\u00e1\u0161ate dobre, moment\u00e1lne neexistuj\u00fa \u017eiadne presved\u010div\u00e9 d\u00f4kazy o tom, \u017ee by ste ho museli vysadi\u0165 v\u00fdhradne v r\u00e1mci prevencie AFib.<\/span><\/p>\n

Ak v\u00e1m diagnostikovali AFib alebo poci\u0165ujete poruchy srdcov\u00e9ho rytmu, individu\u00e1lne odpor\u00fa\u010danie m\u00e1 st\u00e1le svoj v\u00fdznam. Pora\u010fte sa so svoj\u00edm kardiol\u00f3gom \u2013 najm\u00e4 ak spozorujete b\u00fa\u0161enie srdca v \u010dase pr\u00edjmu kofe\u00ednu.<\/span><\/p>\n

Pre zdrav\u00fdch cyklistov sa mierny pr\u00edjem k\u00e1vy zd\u00e1 by\u0165 plne zlu\u010dite\u013en\u00fd ako s v\u00fdkonom, tak aj so zdrav\u00edm srdca. A pre mnoh\u00fdch z n\u00e1s m\u00f4\u017ee rann\u00e1 \u0161\u00e1lka robi\u0165 viac \u00fa\u017eitku ne\u017e \u0161kody.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Kofe\u00edn patril v oblasti zdravia srdca cel\u00e9 roky do kateg\u00f3rie \u201esk\u00f4r \u0161kodliv\u00fd ne\u017e u\u017eito\u010dn\u00fd\u201c \u2013 obzvl\u00e1\u0161\u0165 vtedy, ak v\u00e1m diagnostikovali […]<\/p>\n","protected":false},"author":40,"featured_media":21891,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[546,532,55,161],"global-categories":[1074],"class_list":["post-21890","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zdravie-trening","tag-cyklistika","tag-jazdenie","tag-trening","tag-zdravie","global-categories-cycling"],"yoast_head":"\nNov\u00fd v\u00fdskum spochyb\u0148uje dlhoro\u010dn\u00e9 obavy z vplyvu k\u00e1vy na srdcov\u00fd rytmus - \u0160koda We Love Cycling Slovensko<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.welovecycling.com\/sk\/2026\/11\/09\/novy-vyskum-spochybnuje-dlhorocne-obavy-z-vplyvu-kavy-na-srdcovy-rytmus\/\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Nov\u00fd v\u00fdskum spochyb\u0148uje dlhoro\u010dn\u00e9 obavy z vplyvu k\u00e1vy na srdcov\u00fd rytmus\" \/>\n<meta property=\"og:description\" content=\"Kofe\u00edn patril v oblasti zdravia srdca cel\u00e9 roky do kateg\u00f3rie \u201esk\u00f4r \u0161kodliv\u00fd ne\u017e u\u017eito\u010dn\u00fd\u201c \u2013 obzvl\u00e1\u0161\u0165 vtedy, ak v\u00e1m diagnostikovali […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.welovecycling.com\/sk\/2026\/11\/09\/novy-vyskum-spochybnuje-dlhorocne-obavy-z-vplyvu-kavy-na-srdcovy-rytmus\/\" \/>\n<meta property=\"og:site_name\" content=\"\u0160koda We Love Cycling Slovensko\" \/>\n<meta property=\"article:published_time\" content=\"2026-11-09T09:27:47+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-11-09T09:28:20+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/d2p6e6u75xmxt8.cloudfront.net\/4\/2026\/11\/Coffee-beans-pexels-lisa-fotios-1191324-CVR.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"990\" \/>\n\t<meta property=\"og:image:height\" content=\"660\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Zozzi\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jiri Kaloc\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.welovecycling.com\\\/sk\\\/2026\\\/11\\\/09\\\/novy-vyskum-spochybnuje-dlhorocne-obavy-z-vplyvu-kavy-na-srdcovy-rytmus\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.welovecycling.com\\\/sk\\\/2026\\\/11\\\/09\\\/novy-vyskum-spochybnuje-dlhorocne-obavy-z-vplyvu-kavy-na-srdcovy-rytmus\\\/\"},\"author\":{\"name\":\"Zozzi\",\"@id\":\"https:\\\/\\\/www.welovecycling.com\\\/sk\\\/#\\\/schema\\\/person\\\/69a353af73d9db8f391581204a521230\"},\"headline\":\"Nov\u00fd v\u00fdskum spochyb\u0148uje dlhoro\u010dn\u00e9 obavy z vplyvu k\u00e1vy na srdcov\u00fd rytmus\",\"datePublished\":\"2026-11-09T09:27:47+00:00\",\"dateModified\":\"2026-11-09T09:28:20+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.welovecycling.com\\\/sk\\\/2026\\\/11\\\/09\\\/novy-vyskum-spochybnuje-dlhorocne-obavy-z-vplyvu-kavy-na-srdcovy-rytmus\\\/\"},\"wordCount\":742,\"image\":{\"@id\":\"https:\\\/\\\/www.welovecycling.com\\\/sk\\\/2026\\\/11\\\/09\\\/novy-vyskum-spochybnuje-dlhorocne-obavy-z-vplyvu-kavy-na-srdcovy-rytmus\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/d2p6e6u75xmxt8.cloudfront.net\\\/4\\\/2026\\\/11\\\/Coffee-beans-pexels-lisa-fotios-1191324-CVR.webp\",\"keywords\":[\"Cyklistika\",\"Jazdenie\",\"Tr\u00e9ning\",\"Zdravie\"],\"articleSection\":[\"Zdravie a tr\u00e9ning\"],\"inLanguage\":\"sk-SK\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.welovecycling.com\\\/sk\\\/2026\\\/11\\\/09\\\/novy-vyskum-spochybnuje-dlhorocne-obavy-z-vplyvu-kavy-na-srdcovy-rytmus\\\/\",\"url\":\"https:\\\/\\\/www.welovecycling.com\\\/sk\\\/2026\\\/11\\\/09\\\/novy-vyskum-spochybnuje-dlhorocne-obavy-z-vplyvu-kavy-na-srdcovy-rytmus\\\/\",\"name\":\"Nov\u00fd v\u00fdskum spochyb\u0148uje dlhoro\u010dn\u00e9 obavy z vplyvu k\u00e1vy na srdcov\u00fd rytmus - 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