{"id":11245,"date":"2025-11-05T01:19:50","date_gmt":"2025-11-05T01:19:50","guid":{"rendered":"https:\/\/daivings.lv\/?p=11245"},"modified":"2025-11-05T01:38:44","modified_gmt":"2025-11-05T01:38:44","slug":"skabekla-toksicitates-parvaldiba-ar-jj-ccr-ieskats-cns-un-otu-tabulas","status":"publish","type":"post","link":"https:\/\/daivings.lv\/lt\/deguonies-toksiskumo-valdymas-naudojant-jj-ccr-insight-cns-ir-sepeteliu-lenteles\/","title":{"rendered":"Deguonies toksi\u0161kumo valdymas naudojant JJ-CCR, \u012f\u017evalgos apie CNS ir OTU lenteles"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/daivings.lv\/tag\/jj-ccr\/\">JJ-CCR<\/a><\/strong> (U\u017edaro ciklo rebreatheris) yra pa\u017eangi technin\u0117 nardymo priemon\u0117, kuri, palaikydama optimal\u0173 deguonies PO2 dalin\u012f sl\u0117g\u012f, \u017eymiai pailgina nardymo laik\u0105 ir pagerina dekompresijos efektyvum\u0105. Ta\u010diau \u0161iems privalumams pasiekti reikia suprasti ir grie\u017etai kontroliuoti tyl\u0173, bet potencialiai mirtin\u0105 prie\u0161\u0105 \u2013 <strong>deguonies toksi\u0161kumas<\/strong>CCR narai da\u017enai palaiko auk\u0161t\u0105 <strong>PO2<\/strong> (paprastai $1.2-1.4 \\text{ ATA}$), tod\u0117l toksi\u0161kumo rizikos valdymas yra svarbesnis nei nardant atviroje sistemoje.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Turinys<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Perjungti turin\u012f\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Perjungti<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/daivings.lv\/lt\/deguonies-toksiskumo-valdymas-naudojant-jj-ccr-insight-cns-ir-sepeteliu-lenteles\/#I_Centralas_Nervu_Sistemas_CNS_Skabekla_Toksicitate\" >I. Centrin\u0117s nerv\u0173 sistemos (CNS) deguonies toksi\u0161kumas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/daivings.lv\/lt\/deguonies-toksiskumo-valdymas-naudojant-jj-ccr-insight-cns-ir-sepeteliu-lenteles\/#II_Pulmonara_Skabekla_Toksicitate\" >II. Plau\u010di\u0173 deguonies toksi\u0161kumas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/daivings.lv\/lt\/deguonies-toksiskumo-valdymas-naudojant-jj-ccr-insight-cns-ir-sepeteliu-lenteles\/#III_Jaunakie_Petijumi_un_Kontrolejosie_Faktori\" >III. Naujausi tyrimai ir kontroliuojantys veiksniai<\/a><\/li><\/ul><\/nav><\/div>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"I_Centralas_Nervu_Sistemas_CNS_Skabekla_Toksicitate\"><\/span>I. Centrin\u0117s nerv\u0173 sistemos (CNS) deguonies toksi\u0161kumas<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CNS toksinis poveikis, dar \u017einomas kaip <strong>Paulo Beero efektas<\/strong> (Paulo Berto efektas) yra <strong>\u016bmus<\/strong> Neurologin\u0117 reakcija, kuri\u0105 sukelia per didelis PO2. Paprastai ji atsiranda staiga ir yra pagrindinis maksimalaus gylio ir PO2 lygi\u0173 apribojimas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Simptomai (VENTID-C mnemonika):<\/strong> Jie prasideda lengvais sutrikimais: reg\u0117jimo, aus\u0173 (pvz., spengimo ausyse), pykinimu, raumen\u0173 tr\u016bk\u010diojimu (tr\u016bk\u010diojimu, ypa\u010d l\u016bp\u0173 ir veido), dirglumu, galvos svaigimu ir baigiasi <strong>are\u0161tas<\/strong> (Traukuliai). Po vandeniu i\u0161tikti traukuliai paprastai b\u016bna mirtini.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>CNS stalas ir laikrodis<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160iai rizikai valdyti naudojama <strong>CNS laikrodis<\/strong> arba CNS (deguonies poveikio procentas). Jis matuoja <strong>kaupiamasis<\/strong> deguonies poveik\u012f, palyginant laik\u0105, praleist\u0105 esant tam tikram PO2 lygiui, su maksimaliu leistinu laiku esant tam sl\u0117giui (pvz., NOAA lentel\u0117se).<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Valdymo riba:<\/strong> Konservatyviai rekomenduojama maksimali CNS vert\u0117 yra <strong>80% vienam n\u0117rimui<\/strong> ir <strong>100% per 24 valandas<\/strong>.<\/li>\n\n\n\n<li><strong>Laiko apribojimai (pavyzd\u017eiai):<\/strong>\n<ul class=\"wp-block-list\">\n<li>$1.6 \\text{ ATA} \\rightarrow 45 \\text{ minut\u0117s}$ (did\u017eiausia leid\u017eiama $\\text{PO}_2$ pakartotinio kv\u0117pavimo aparato avarin\u0117 trukm\u0117).<\/li>\n\n\n\n<li>$1.4 \\text{ ATA} \\rightarrow 150 \\text{ minu\u010di\u0173}$ (da\u017eniausiai naudojama dekompresijos nuostata).<\/li>\n\n\n\n<li>$1.3 \\text{ ATA} \\rightarrow 180 \\text{ minu\u010di\u0173}$.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>JJ-CCR kontekstas:<\/strong> CCR sistemoje $\\text{PO}_2$ nuolat palaikomas auk\u0161tas lygis, tod\u0117l naras turi tiksliai steb\u0117ti laik\u0105 ir apskai\u010diuoti $\\text{CNS \\%}$ kiekviename nustatytame ta\u0161ke.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"II_Pulmonara_Skabekla_Toksicitate\"><\/span>II. Plau\u010di\u0173 deguonies toksi\u0161kumas<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Plau\u010di\u0173 toksi\u0161kumas arba <strong>Lauren Smith efektas<\/strong> (Lorraino Smito efektas) yra <strong>l\u0117tinis<\/strong> problema, kuri kyla ilg\u0105 laik\u0105 veikiant padid\u0117jusiai $\\text{PO}_2$ aplinkai. Tai yra pagrindinis apribojimas labai ilgiems ir pasikartojantiems n\u0117rimams.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Simptomai:<\/strong> Tai paveikia kv\u0117pavimo sistem\u0105, pa\u017eeisdama plau\u010di\u0173 audin\u012f. Simptomai: <strong>sausas, dirginantis kosulys<\/strong>, skausmas kr\u016btin\u0117s srityje (kr\u016btinkaulinis skausmas) ir dusulys.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>OTU (deguonies toksi\u0161kumo vienetai):<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Plau\u010di\u0173 toksi\u0161kumo rizika matuojama <strong>Deguonies toksi\u0161kumo vienetai (OTU)<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Apibr\u0117\u017eimas:<\/strong> <strong>Vienas OTU<\/strong> gaunamas \u012fkv\u0117pus $\\mathbf{100\\%}$ deguonies ($1.0 \\text{ ATA} \\text{ PO}_2$) <strong>viena minut\u0117<\/strong>.<\/li>\n\n\n\n<li><strong>Kaupiamasis poveikis:<\/strong> OTU apskai\u010diuojamas naudojant koeficientus, kurie koreguoja laik\u0105 esant tam tikram $\\text{PO}_2$ pagal pradin\u012f $1.0 \\text{ ATA}$.<\/li>\n\n\n\n<li><strong>Dienos limitas:<\/strong> Paprastai rekomenduojama <strong>konservatyvi riba<\/strong> yra $\\mathbf{300 \\text{ OTU}}$ per 24 valandas (ypa\u010d svarbu ilg\u0173, pasikartojan\u010di\u0173 nardymo ekspedicij\u0173 metu).<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"III_Jaunakie_Petijumi_un_Kontrolejosie_Faktori\"><\/span>III. Naujausi tyrimai ir kontroliuojantys veiksniai<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tyrimai, apimantys ilgalaik\u012f technin\u012f nardym\u0105 (b\u016bding\u0105 JJ-CCR naudojimui), ir toliau optimizuoja toksi\u0161kumo valdym\u0105.<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>$\\text{PO}_2$ I\u0161pl\u0117stiniai apribojimai:<\/strong> Naujesn\u0117se gair\u0117se (ypa\u010d $1.3 \\text{ ATA}$) kai kuriais atvejais leid\u017eiamos ilgesn\u0117s ekspozicijos nei nurodytos senosiose 24 val. lentel\u0117se (pvz., iki $240 \\text{ min}$ darbo faz\u0117je ir papildomai $240 \\text{ min}$ dekompresijos faz\u0117je). Ta\u010diau \u0161is klausimas vis dar svarstomas.<\/li>\n\n\n\n<li><strong>$\\text{CO}_2$ Kaip pagrindinis kofaktorius:<\/strong> Svarbiausias pastarojo meto atradimas CCR narams yra tas, kad <strong>padid\u0117j\u0119s anglies dioksido ($\\text{CO}_2$) kiekis<\/strong> kv\u0117puojant dujomis <strong>smarkiai suma\u017eina slenkst\u012f<\/strong> CNS toksi\u0161kumo prad\u017eiai.\n<ul class=\"wp-block-list\">\n<li><strong>JJ-CCR praktin\u0117 svarba:<\/strong> Blogai veikiantis natrio kalki\u0173 (\u0161veitiklis), per didelis v\u0117dinimas arba \u0161altis gali sukelti $\\text{CO}_2$ kaupim\u0105si. Tokiu atveju priepuolis gali \u012fvykti net ir esant \u201esaugiam\u201c $\\text{PO}_2$ lygiui. Tai pabr\u0117\u017eia <strong>\u0161veitiklio prie\u017ei\u016bra<\/strong> ir <strong>ramaus kv\u0117pavimo technikos<\/strong> svarba.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Santrauka:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nardant su <strong>JJ-CCR<\/strong>, toksi\u0161kumo valdymas yra dvejopas: grie\u017etas steb\u0117jimas <strong>CNS %<\/strong> naudojant PO2 jutiklius, kad b\u016bt\u0173 i\u0161vengta \u016bmaus neurologinio pavojaus, ir to reik\u0117t\u0173 laikytis <strong>OTU<\/strong> ilgainiui, kad apsaugotum\u0117te savo plau\u010dius. Visada atminkite, kad <strong>CO2 kontrol\u0117<\/strong> yra toks pat svarbus kaip ir O2 kontrol\u0117.<\/p>","protected":false},"excerpt":{"rendered":"<p>JJ-CCR (u\u017edaros grandin\u0117s rebreatheris) yra pa\u017eangi technin\u0117 nardymo priemon\u0117, kuri, palaikydama optimal\u0173 deguonies PO2 dalin\u012f sl\u0117g\u012f, \u017eymiai pailgina nardymo laik\u0105 ir pagerina dekompresijos efektyvum\u0105. Ta\u010diau norint pasiekti \u0161i\u0173 privalum\u0173, reikia suprasti ir grie\u017etai kontroliuoti tyl\u0173, bet potencialiai mirtin\u0105 prie\u0161\u0105 \u2013 deguonies toksi\u0161kum\u0105. [\u2026]<\/p>","protected":false},"author":1,"featured_media":11233,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1600],"tags":[],"class_list":["post-11245","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tehniska-nirsana"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sk\u0101bek\u013ca toksicit\u0101tes p\u0101rvald\u012bba ar JJ-CCR, ieskats CNS un OTU tabul\u0101s - Daivings.lv<\/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:\/\/daivings.lv\/lt\/deguonies-toksiskumo-valdymas-naudojant-jj-ccr-insight-cns-ir-sepeteliu-lenteles\/\" \/>\n<meta property=\"og:locale\" content=\"lt_LT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sk\u0101bek\u013ca toksicit\u0101tes p\u0101rvald\u012bba ar JJ-CCR, ieskats CNS un OTU tabul\u0101s - Daivings.lv\" \/>\n<meta property=\"og:description\" content=\"JJ-CCR (Closed-Circuit Rebreather) ir advanc\u0113ts tehnisk\u0101s nir\u0161anas r\u012bks, kas, uzturot optim\u0101lu sk\u0101bek\u013ca parci\u0101lo spiedienu PO2, iev\u0113rojami pagarina nir\u0161anas laiku un uzlabo dekompresijas efektivit\u0101ti. Tom\u0113r \u0161\u012bs priek\u0161roc\u012bbas prasa izpratni un stingru kontroli p\u0101r kluso, bet potenci\u0101li let\u0101lo ienaidnieku \u2013 sk\u0101bek\u013ca toksicit\u0101ti. 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