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<front>
<journal-meta>
<journal-id journal-id-type="publisher-id">LV</journal-id>
<journal-id journal-id-type="nlm-ta">Lijec Vjesn</journal-id>
<journal-title-group>
<journal-title>Lijecnicki Vjesnik</journal-title>
<abbrev-journal-title abbrev-type="pubmed">Lijec. Vjesn.</abbrev-journal-title>
</journal-title-group>
<issn pub-type="ppub">0024-3477</issn>
<issn pub-type="epub">1849-2177</issn>
<publisher><publisher-name>Croatian Medical Association</publisher-name></publisher>
</journal-meta>
<article-meta>
<article-id pub-id-type="publisher-id">LV-146-407</article-id>
<article-id pub-id-type="doi">10.26800/LV-146-11-12-5</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Review</subject></subj-group>
</article-categories>
<title-group>
<article-title>Masivna opstetri&#x010D;ka krvarenja: narativni pregledni rad</article-title>
<trans-title-group xml:lang="en">
<trans-title>Massive obstetric hemorrhage: A Narrative Review</trans-title>
</trans-title-group>
</title-group>
<contrib-group>
<contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9533-1261</contrib-id><name><surname>Glumac</surname><given-names>Sandro</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>Perkovi&#x0107;</surname><given-names>Mate</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>Elezovi&#x0107;</surname><given-names>Neven</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref></contrib>
<aff id="aff1"><label>1</label><institution>Klinika za anesteziologiju, reanimatologiju i intenzivno lije&#x010D;enje, Medicinski fakultet Sveu&#x010D;ili&#x0161;ta u Splitu, Klini&#x010D;ki bolni&#x010D;ki centar Split</institution>, <addr-line>Split</addr-line></aff>
</contrib-group>
<author-notes>
<fn id="afn1"><p>Ustanova u kojoj je rad napravljen: Klinika za anesteziologiju, reanimatologiju i intenzivno lije&#x010D;enje, Medicinski fakultet Sveu&#x010D;ili&#x0161;ta u Splitu, Klini&#x010D;ki bolni&#x010D;ki centar Split, Split</p></fn>
<corresp id="cor1">Adresa za dopisivanje: Doc. dr. sc. Sandro Glumac, dr. med., <ext-link ext-link-type="uri" xlink:href="https://orcid.org/0000-0002-9533-1261">https://orcid.org/0000-0002-9533-1261</ext-link>, Klinika za anesteziologiju, reanimatologiju i intenzivno lije&#x010D;enje, Medicinski fakultet Sveu&#x010D;ili&#x0161;ta u Splitu, Klini&#x010D;ki bolni&#x010D;ki centar Split, Spin&#x010D;i&#x0107;eva 1, 21000 Split, e-po&#x0161;ta: <email xlink:href="sandro.glumac@gmail.com">sandro.glumac@gmail.com</email></corresp>
<fn fn-type="con">
<p content-type="fn-title">DOPRINOS AUTORA</p>
<p>K<sc>oncepcija</sc> <sc>ili</sc> <sc>nacrt</sc> <sc>rada</sc>: SG, NE</p>
<p>P<sc>rikupljanje</sc>, <sc>analiza</sc> <sc>i</sc> <sc>interpretacija</sc> <sc>podataka</sc>: SG, MP, NE</p>
<p>P<sc>isanje</sc> <sc>prve</sc> <sc>verzije</sc> <sc>rada</sc>: SG, MP</p>
<p>K<sc>riti&#x010D;ka</sc> <sc>revizija</sc>: &#x2013;</p>
</fn>
</author-notes>
<pub-date date-type="pub" publication-format="electronic"><month>01</month><year>2025</year></pub-date>
<pub-date date-type="pub" publication-format="print"><month>01</month><year>2025</year></pub-date>
<volume>146</volume>
<issue>11-12</issue>
<fpage>407</fpage>
<lpage>412</lpage>
<permissions>
<copyright-statement>Croatian Medical Association</copyright-statement>
<copyright-year>2025</copyright-year>
<copyright-holder>Croatian Medical Association</copyright-holder>
<license xlink:href="https://creativecommons.org/licenses/by-nc-nd/4.0/" specific-use="CC BY-NC-ND 4.0"><license-p>This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial No Derivatives (CC BY-NC-ND) 4.0 License.</license-p></license>
</permissions>
<abstract>
<title>SA&#x017D;ETAK</title>
<p>Masivna opstetri&#x010D;ka krvarenja u&#x010D;estali su uzrok smrti rodilja u zemljama u razvoju, ali i u razvijenim zemljama. Najnoviji epidemiolo&#x0161;ki podatci upozoravaju na njihov trend rasta u razvijenim zemljama, &#x0161;to ukazuje na istinsku potrebu za njihovim dubljim razumijevanjem. Stoga je cilj ovoga narativnog preglednog rada na temelju pretra&#x017E;ivanja dostupne literature (baze podataka <italic>Web of Science</italic> [<italic>All Databases</italic>] i <italic>Scopus</italic>) &#x010D;itateljima dati uvid u najnovije dijagnosti&#x010D;ke i terapijske pristupe ovome va&#x017E;nom medicinskom problemu. Utvrdili smo kako uterotonici i dalje &#x010D;ine osnovu lije&#x010D;enja te kako su standardni koagulacijski testovi sve manje zastupljeni u dijagnostici, dok je naglasak stavljen na analize <italic>&#x201E;point of care&#x201C;</italic> poput tromboelastografije i tromboelastometrije. Zaklju&#x010D;no, nu&#x017E;no je poznavanje i usvajanje intervencijskih algoritama masivnih opstetri&#x010D;kih krvarenja te uvje&#x017E;ban multidisciplinaran pristup u svakom rodili&#x0161;tu.</p>
</abstract>
<trans-abstract xml:lang="en">
<title>SUMMARY</title>
<p>Massive obstetric hemorrhage is a frequent cause of maternal death in both developing and developed countries. The recent epidemiological data point out its growing incidence in developed countries, which highlights the evident need for further knowledge of this important issue. Thus, the purpose of this narrative review is to summarize and evaluate the latest findings based on the search of available literature (Web of Science (All Databases) and Scopus databases), with special attention paid to the diagnostic and therapeutic approaches to massive obstetric hemorrhage. We determined that uterotonics still form the basis of treatment, and that standard blood coagulation tests are less common in diagnostics, while emphasis is placed on point-of-care analyses such as thromboelastography and thromboelastometry. Overall, it is necessary to be familiar and adopt the interventional algorithms of massive obstetric hemorrhage, as well to have a trained multidisciplinary approach in every maternity unit.</p>
</trans-abstract>
<kwd-group kwd-group-type="author"><kwd>Deskriptori POSTPARTALNO KRVARENJE &#x2013; dijagnoza, etiologija, lije&#x010D;enje</kwd><kwd>TROMBOELASTOGRAFIJA</kwd><kwd>TRANEKSAMI&#x010C;NA KISELINA &#x2013; terapijska uporaba</kwd><kwd>FIBRINOGEN &#x2013; terapijska uporaba</kwd><kwd>ATONIJA MATERNICE &#x2013; farmakoterapija, kirurgija</kwd><kwd>OKSITOCIN &#x2013; terapijska uporaba</kwd><kwd>UTEROTONICI &#x2013; terapijska uporaba</kwd><kwd>CARSKI REZ &#x2013; komplikacije</kwd><kwd>&#x201C;POINT OF CARE&#x201D; ANALIZE</kwd></kwd-group>
<kwd-group kwd-group-type="translator" xml:lang="en"><title>Descriptors </title><kwd>POSTPARTUM HEMORRHAGE &#x2013; diagnosis, etiology, therapy</kwd><kwd>THROMBELASTOGRAPHY</kwd><kwd>TRANEXAMIC ACID &#x2013; therapeutic use</kwd><kwd>FIBRINOGEN &#x2013; therapeutic use</kwd><kwd>UTERINE INERTIA &#x2013; drug therapy, surgery</kwd><kwd>OXYTOCIN &#x2013; therapeutic use</kwd><kwd>OXYTOCICS &#x2013; therapeutic use</kwd><kwd>CESAREAN SECTION &#x2013; adverse effects</kwd><kwd>&#x201C;POINT OF CARE&#x201D; TESTING</kwd></kwd-group>
</article-meta>
</front>
<body>
<p>Masivna opstetri&#x010D;ka krvarenja jedan su od vode&#x0107;ih uzroka smrti rodilja diljem svijeta. (<xref ref-type="bibr" rid="r1"><italic>1</italic></xref>) Definirana su kao gubitak krvi &gt;1,5 L, koncentracija hemoglobina (Hb) &lt;40 g/L ili transfuzija &#x2265;4 pripravaka krvnih eritrocita (KE). Nedavno je uveden i termin &#x201E;<italic>death zone</italic>&#x201C; &#x010D;iji je nastanak ozna&#x010D;en kao gubitak krvi &gt;2,8 L ili &gt;40% cirkuliraju&#x0107;eg volumena te predstavlja visok stupanj ugroze kako za rodilju tako i za dijete. (<xref ref-type="bibr" rid="r2"><italic>2</italic></xref>) Opstetri&#x010D;ka krvarenja tradicionalno se dijele na antepartalna krvarenja (APK) koja se pojavljuju izme&#x0111;u 24 tjedna trudno&#x0107;e i poroda te postpartalna krvarenja (PPK) koja se pak dijele na primarna krvarenja (unutar 24 sata od poroda) i sekundarna (24 sata do &#x0161;est tjedana nakon poroda). Uzroci APK-a su abrupcija placente, <italic>placenta praevia/accreta</italic>, ruptura uterusa i trauma uterusa. Vi&#x0161;e od 80% svih opstetri&#x010D;kih krvarenja &#x010D;ine PPK, koja su pak u vi&#x0161;e od 80% rodilja posljedica atonije uterusa i traume genitalnog trakta. Te&#x0161;ka anemija tijekom trudno&#x0107;e (Hb &lt;70 g/L) zna&#x010D;ajan je rizik nastanka PPK. (<xref ref-type="bibr" rid="r3"><italic>3</italic></xref>) Prema Schuurmansu i suradnicima, etiolo&#x0161;ku pozadinu PPK &#x010D;ine &#x010D;etiri osnovna uzroka ili njihova kombinacija, tzv. 4 T: tonus (slaba uterina kontrakcija / atonija uterusa), tkivo (abnormalnosti ili retinirani dijelovi placente i plodnih ovoja), trauma (laceracija i ruptura uterusa i poro&#x0111;ajnog kanala) i trombin (poreme&#x0107;aji koagulacije). (<xref ref-type="bibr" rid="r4"><italic>4</italic></xref>) Sukladno me&#x0111;unarodnom konsenzusu koji se temelji na studijama provedenim jo&#x0161; 1960-ih godina, postpartalna krvarenja se dijele u tri kategorije: postpartalno krvarenje je nastalo ako je gubitak krvi &gt;0,5 L unutar 24 sata od poroda, te&#x0161;ko postpartalno krvarenje je nastalo ako je gubitak krvi &gt;1 L unutar 24 sata od poroda, te masivno i &#x017E;ivotno ugro&#x017E;avaju&#x0107;e postpartalno krvarenje je nastalo ako je gubitak krvi &gt;2,5 L unutar 24 sata od poroda ili je krvarenje prouzrokovalo nastanak hipovolemi&#x010D;kog &#x0161;oka. (<xref ref-type="bibr" rid="r5"><italic>5</italic></xref>)</p>
<p>Cilj je ovoga narativnog preglednog rada pretra&#x017E;iti i prodiskutirati najnovija saznanja o masivnim opstetri&#x010D;kim krvarenjima, s posebnim osvrtom na njihovu dijagnostiku i lije&#x010D;enje.</p>
<sec sec-type="other1">
<title>Postupci</title>
<p>U ovom narativnom preglednom radu pretra&#x017E;ivane su baze podataka <italic>Web of Science</italic> (<italic>All Databases</italic>) i <italic>Scopus</italic> zaklju&#x010D;no s danom 1. travnja 2024. Pretra&#x017E;ivane su isklju&#x010D;ivo humane studije s odraslim ispitanicima i isklju&#x010D;ivo na engleskom jeziku. U pretra&#x017E;ivanju su kori&#x0161;tene klju&#x010D;ne rije&#x010D;i: <italic>uterine hemorrhage</italic>; <italic>postpartum hemorrhage</italic>; <italic>blood coagulation tests</italic>; <italic>uterine inertia</italic>; <italic>obstetric labor complications</italic>; <italic>delivery, obstetric</italic>; <italic>oxytocics</italic>; <italic>blood loss, surgical</italic>; <italic>obstetric surgical procedures</italic>; <italic>cesarean section</italic>.</p>
</sec>
<sec sec-type="other2">
<title>Epidemiologija</title>
<p>Epidemiolo&#x0161;ke studije su pokazale kako u Europi 13% rodilja razvije PPK s gubitkom krvi &gt;0,5 L, 3% rodilja razvije zna&#x010D;ajno PPK (s gubitkom krvi &gt;1 L) te oko 0,05% rodilja razvije masivno opstetri&#x010D;ko krvarenje s koagulopatijom i diseminiranom intravaskularnom koagulacijom (DIK) koje je uobi&#x010D;ajeno udru&#x017E;eno s abrupcijom placente, tj. razvije akutnu opstetri&#x010D;ku koagulopatiju s vrlo nepovoljnim ishodom i po rodilju i po dijete. Smrtnost rodilja od PPK je oko 8% u razvijenim zemljama te oko 20% u zemljama u razvoju (tre&#x0107;i naj&#x010D;e&#x0161;&#x0107;i uzrok smrti nakon hipertenzivnih i tromboembolijskih [TE] komplikacija). Mortalitet uzrokovan PPK u Velikoj Britaniji iznosi 0,66/100.000 rodilja. (<xref ref-type="bibr" rid="r6"><italic>6</italic></xref>) Ono &#x0161;to zabrinjava jest porast incidencije PPK u razvijenim zemljama, &#x0161;to se tuma&#x010D;i porastom broja carskih rezova (CR), indukcija poroda, trudno&#x0107;a s patolo&#x0161;kom placentacijom, pove&#x0107;anim BMI i dobi rodilja (osobito kod prve trudno&#x0107;e ili nakon &#x010D;etvrtog poroda). Tako&#x0111;er, pokazano je kako se ve&#x0107;ina smrtnih ishoda rodilja mogla prevenirati i to u prvom redu aktivnim vo&#x0111;enjem tre&#x0107;ega porodnog doba i profilakti&#x010D;kom primjenom uterotonika. (<xref ref-type="bibr" rid="r7"><italic>7</italic></xref>)</p>
</sec>
<sec sec-type="other3">
<title>Fiziologija trudno&#x0107;e</title>
<p>Tijekom trudno&#x0107;e protok krvi kroz uterus pove&#x0107;a se s po&#x010D;etnih 60 mL/min na 600 mL/min u terminu poroda, &#x0161;to &#x010D;ini 15% ukupnoga sr&#x010D;anog minutnog volumena (SMV). Nadalje, u trudno&#x0107;i dolazi do porasta koncentracije ve&#x0107;ine faktora koagulacije, skra&#x0107;ivanja protrombinskog vremena (PV) i aktiviranoga parcijalnog tromboplastinskog vremena (APTV), sni&#x017E;avanja koncentracije inhibitora faktora koagulacije, &#x010D;ime se stvara fiziolo&#x0161;ko &#x201E;hiperkoagulabilno stanje&#x201C; u svrhu smanjenja rizika preobilnoga peripartalnog krvarenja. Na primjer, vrijednost fibrinogena u terminu poroda raste do 6,5 g/L. Zbog toga trudno&#x0107;a i puerperij tako&#x0111;er predstavljaju i zna&#x010D;ajan rizik za nastanak venske tromboembolije (VTE), uklju&#x010D;uju&#x0107;i duboku vensku trombozu i plu&#x0107;nu emboliju. Pokazano je kako su VTE dvostruko u&#x010D;estalije nakon CR-a te kako prisutnost trombofilije kod rodilje zna&#x010D;ajno pove&#x0107;ava rizik nastanka VTE-a. U vrijeme poroda, gubitak krvi se kontrolira temeljem kontrakcije miometrija uterusa te lokalnih i sustavnih hemostatskih &#x010D;imbenika. Poreme&#x0107;aj samo jedne od tih triju komponenti mo&#x017E;e prouzrokovati zna&#x010D;ajna krvarenja. Utvr&#x0111;eno je kako je nedostatak fibrinogena glavna koagulacijska abnormalnost povezana s opstetri&#x010D;kim krvarenjima. (<xref ref-type="bibr" rid="r8"><italic>8</italic></xref>) Zanimljivo, koncentracija faktora koagulacije XIII tijekom trudno&#x0107;e fiziolo&#x0161;ki opada te opisana promjena mo&#x017E;e biti povezana s gubitkom krvi tijekom poro&#x0111;aja. (<xref ref-type="bibr" rid="r9"><italic>9</italic></xref>)</p>
</sec>
<sec sec-type="other4">
<title>Dijagnostika</title>
<p>Standardni koagulacijski testovi poput PV-a, APTV-a, me&#x0111;unarodnoga normaliziranog omjera (INR) i vrijednosti fibrinogena ne odra&#x017E;avaju funkciju trombocita (Tr), stabilnost ugru&#x0161;ka i fibrinoliti&#x010D;ku aktivnost te su bez prediktivnog zna&#x010D;aja kod krvarenja zbog koagulopatije. &#x010C;ekanje tih nalaza katkad se produlji i na vi&#x0161;e od 60 minuta, &#x0161;to zasigurno umanjuje njihov klini&#x010D;ki zna&#x010D;aj. Zanimljiva studija koja je uklju&#x010D;ila 456 rodilja koje su razvile PPK utvrdila je kako je poreme&#x0107;aj PV-a i APTV-a vidljiv tek prilikom gubitka krvi ve&#x0107;eg od 5 L. (<xref ref-type="bibr" rid="r10"><italic>10</italic></xref>) Stoga se danas sve ve&#x0107;i naglasak stavlja na analize &#x201E;<italic>point of care</italic>&#x201C; poput tromboelastografije (TEG) i tromboelastometrije (TEM), koje su u mogu&#x0107;nosti procijeniti i grafi&#x010D;ki prikazati viskoelasti&#x010D;na svojstva ugru&#x0161;ka tijekom stvaranja i tijekom lize, tj. omogu&#x0107;uju brzu ciljanu terapiju odr&#x017E;avanja odgovaraju&#x0107;e koncentracije fibrinogena. (<xref ref-type="bibr" rid="r11"><italic>11</italic></xref>) Nadalje, testom FIBTEM mo&#x017E;e se dodatno procijeniti je li nedostatak fibrinogena razlog smanjene &#x010D;vrsto&#x0107;e ugru&#x0161;ka. TEM se tako&#x0111;er pokazao kao pouzdan pokazatelj stupnja DIK-a jer dobro korelira s DIK-skorom me&#x0111;unarodnog dru&#x0161;tva za trombozu i hemostazu (ISTH DIK skor) te je dijagnosti&#x010D;ki osobito pouzdan ako je udru&#x017E;en s antitrombinom (AT) i proteinom C. (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>) Nedostatak drugih faktora koagulacije pored fibrinogena vrlo je rijedak i mo&#x017E;e se utvrditi produljenjem PV-a i APTV-a na laboratorijskim pretragama, produljenjem CT-a (&#x201E;<italic>clotting time</italic>&#x201C;) na TEM-u te izra&#x010D;unom r-vremena na TEG-u i CT-vremena na Quantri. (<xref ref-type="bibr" rid="r13"><italic>13</italic></xref>) Danas postoje i poku&#x0161;aji razvijanja prognosti&#x010D;kih modela rizika nastanka opstetri&#x010D;kih krvarenja, ali jo&#x0161; uvijek su nedovoljno klini&#x010D;ki pouzdani. (<xref ref-type="bibr" rid="r14"><italic>14</italic></xref>)</p>
</sec>
<sec sec-type="other5">
<title>Intervencijski algoritam</title>
<p>Intervencijski algoritam u slu&#x010D;aju masivnoga opstetri&#x010D;kog krvarenja uklju&#x010D;uje primjenu traneksami&#x010D;ne kiseline u dozi od 15 do 25 mg/kg TT ili 1 g kroz 10 min. Tako&#x0111;er, 1 g traneksami&#x010D;ne kiseline treba dati i kod gubitka krvi &gt;1 L te ponoviti dozu nakon 30 min ako krvarenje i dalje perzistira. (<xref ref-type="bibr" rid="r15"><italic>15</italic></xref>) Mogu&#x0107;e komplikacije lije&#x010D;enja s traneksami&#x010D;nom kiselinom uklju&#x010D;uje bubre&#x017E;no o&#x0161;te&#x0107;enje i epileptogene napade osobito u preeklampsiji, dok su teoretski mogu&#x0107;e i TE komplikacije. Ipak, primjena traneksami&#x010D;ne kiseline preporu&#x010D;uje se kod svih PPK uzrokovanih atonijom uterusa i traumom te perzistentnih krvarenja tijekom CR-a. (<xref ref-type="bibr" rid="r16"><italic>16</italic></xref>) Nadalje, kod masivnih opstetri&#x010D;kih krvarenja odmah treba primijeniti dvije doze pripravaka KE O- uz &#x0161;to je mogu&#x0107;e ranije davanje KE odgovaraju&#x0107;e krvne grupe. U te&#x0161;kim slu&#x010D;ajevima masivnoga opstetri&#x010D;kog krvarenja preporu&#x010D;uje se inicijalno primijeniti 4 doze KE + 4 doze svje&#x017E;e smrznute plazme (SSP) + 4 doze koncentrata trombocita (KT). (<xref ref-type="bibr" rid="r17"><italic>17</italic></xref>) Ako krvarenje i dalje traje treba primijeniti 2 &#x2013; 4 g fibrinogena (20 &#x2013; 50 mg/kg TT) ili 1 &#x2013; 2 krioprecipitata te korigirati acidozu, hipokalcijemiju i hipotermiju (pH &gt;7,2, Ca<sup>2+</sup> &gt;1 mmol/L, TT &gt;35&#x00BA; C) da ne nastane tzv. letalni trijas (koagulopatija, acidoza i hipotermija). (<xref ref-type="bibr" rid="r18"><italic>18</italic></xref>) Hipokalcijemija nastaje zbog masivne i brze transfuzije KE i SSP, pogor&#x0161;ava koagulopatiju i uzrokuje disfunkciju miokarda. Mo&#x017E;e se to&#x010D;no izmjeriti na ve&#x0107;ini modernih plinskih krvnih analizatora te je cilj odr&#x017E;avati ionizirani Ca &gt;1 mmol/L iv davanjem 10 mL 10% kalcij-glukonata. (<xref ref-type="bibr" rid="r19"><italic>19</italic></xref>) Ako viskoelasti&#x010D;ni hemostatski testovi nisu dostupni, fibrinogen se nadokna&#x0111;uje kada je &lt;2 g/L. (<xref ref-type="bibr" rid="r20"><italic>20</italic></xref>) Fibrinogen je prvi faktor koagulacije poreme&#x0107;en kod PPK. Me&#x0111;utim, koncentracija fibrinogena pri prijmu u rodili&#x0161;te nema prediktivni zna&#x010D;aj nastanka te&#x0161;kog PPK u op&#x0107;oj opstetri&#x010D;koj populaciji. Istra&#x017E;ivanja nagla&#x0161;avaju korekciju fibrinogena prioritetom tijekom PPK jer je to jedini faktor koagulacije koji dokazano korelira s klini&#x010D;kim ishodom. Svako smanjenje fibrinogena za 1 g/L pove&#x0107;ava rizik ozbiljnog krvarenja 2,6 puta. Preporu&#x010D;uje se odre&#x0111;ivati fibrinogen na svakih 0,5 L izgubljene krvi. (<xref ref-type="bibr" rid="r21"><italic>21</italic></xref>) Krioprecipitat je indiciran kod izrazito niske vrijednosti fibrinogena i krvarenja iz incizija. Sadr&#x017E;i 200 mg fibrinogena, F VIII C, von Willebrand faktor, F XIII i fibronektin. Jedno pakiranje krioprecipitata podi&#x017E;e razinu fibrinogena za 0,5 g/L. Mo&#x017E;e se razmotriti i primjena koncentrata protrombinskog kompleksa (PCC) u dozi od 20 do 40 IU/kg TT, iako su dokazi o njegovoj sigurnosti i u&#x010D;inkovitosti vrlo oskudni. (<xref ref-type="bibr" rid="r22"><italic>22</italic></xref>) Ako je dostupan mo&#x017E;e se koristiti i F XIII u dozi od 1.250 do 2.500 IU ili od 15 do 30 IU/kg TT, dok se rekombinantni faktor VIIa (rF VIIa) smatra zadnjom linijom obrane kod masivnoga opstetri&#x010D;kog krvarenja kada terapija uterotonicima nije polu&#x010D;ila zadovoljavaju&#x0107;e rezultate. (<xref ref-type="bibr" rid="r23"><italic>23</italic></xref>) rF VIIa se primjenjuje u dozi od 60 &#x2013; 90 &#x00B5;g/kg TT iv tijekom 3 &#x2013; 5 min, s mogu&#x0107;no&#x0161;&#x0107;u ponavljanja doze nakon 20 min. Nosi zna&#x010D;ajan rizik nastanka TE komplikacija (&#x010D;e&#x0161;&#x0107;e arterija nego vena) te je relativno skup lijek. Nu&#x017E;na je korekcija trombocita i fibrinogena prije samog davanja rF VIIa. Primjena aprotinina danas je napu&#x0161;tena zbog visoke u&#x010D;estalosti TE komplikacija. (<xref ref-type="bibr" rid="r24"><italic>24</italic></xref>)</p>
<p>Krvne pripravke treba dati pri krvarenju ve&#x0107;em od 1,5 L ili kod znakova hemodinamske nestabilnosti. (<xref ref-type="bibr" rid="r25"><italic>25</italic></xref>) Kristaloide i koloide treba primjenjivati do dolaska krvnih pripravaka. Kristaloidi se &#x010D;ine boljim izborom u volumnoj nadoknadi, s obzirom na to da koloidi inhibiraju agregaciju Tr i remete koagulaciju. Prema tzv. liberalnom konceptu volumne nadoknade kristaloidi se daju u omjeru 3:1 i koloidi 1,5:1 u korist procijenjenog volumena izgubljene krvi, ali sve vi&#x0161;e dokaza sugerira kako preobilna volumna nadoknada mo&#x017E;e biti &#x0161;tetna u smislu pogor&#x0161;anja oksigenacije tkiva, razvoja koagulopatije i acidoze. (<xref ref-type="bibr" rid="r26"><italic>26</italic></xref>) Pokazalo se u pojedinim slu&#x010D;ajevima kako odr&#x017E;avanje permisivne hipotenzije (sistoli&#x010D;ki tlak oko 70 mmHg) mo&#x017E;e biti od koristi. (<xref ref-type="bibr" rid="r27"><italic>27</italic></xref>) Lijevi bo&#x010D;ni polo&#x017E;aj umanjuje aortokavalnu kompresiju kod APK, dok Trendelenburgov polo&#x017E;aj ili autotransfuzijski polo&#x017E;aj mo&#x017E;e biti u&#x010D;inkovit kod PPK. (<xref ref-type="bibr" rid="r5"><italic>5</italic></xref>) Krvni pripravci, tj. KE / SSP / KT daju se u omjeru 1:1:1. Vrlo zastupljena jednad&#x017E;ba izra&#x010D;una nadoknade volumena krvi s ciljem postizanja vrijednosti hematokrita (Htc) od 0,3 glasi: Potreban volumen krvi (mL) = TT x 65 mL/kg x ((0,3 &#x2013; Htc) / 0,3)). Savjetuje se odr&#x017E;avati Hb &gt;80 g/L, ali valja napomenuti kako u te&#x0161;kom hipovolemi&#x010D;kom &#x0161;oku nalaz Hb mo&#x017E;e biti la&#x017E;an. Tako&#x0111;er, nu&#x017E;no je pra&#x0107;enje vrijednosti laktata, jer koncentracija laktata &gt;4 mmol/L sugerira nastanak zna&#x010D;ajnog &#x0161;oka. (<xref ref-type="bibr" rid="r17"><italic>17</italic></xref>)</p>
<p>Krvarenje dovodi do gubitka i potro&#x0161;nje faktora koagulacije, &#x0161;to mo&#x017E;e biti dodatno pogor&#x0161;ano dilucijskom koagulopatijom uslijed nadoknade volumena. Specifi&#x010D;nost masivnoga opstetri&#x010D;kog krvarenja u odnosu na traumatolo&#x0161;ka krvarenja jest brz razvoj DIK-a. (<xref ref-type="bibr" rid="r28"><italic>28</italic></xref>) Primjena transfuzijskog lije&#x010D;enja kod rodilja uz klasi&#x010D;ne transfuzijske komplikacije (alergijske i febrilne reakcije, akutno o&#x0161;te&#x0107;enje bubrega, optere&#x0107;enje cirkulacije, metaboli&#x010D;ke komplikacije, DIK, prijenos infektivne bolesti, akutna ozljeda plu&#x0107;a) nosi i rizik imunizacije s eritrocitnim i leukocitnim antigenima. (<xref ref-type="bibr" rid="r29"><italic>29</italic></xref>) Ipak, uzimaju&#x0107;i u obzir da je glavni uzrok smrti rodilja iskrvarenje i da je retrospektivna analiza uzroka smrti rodilja jasno pokazala kako je upravo &#x201E;<italic>too little, too late syndrom</italic>&#x201C; vode&#x0107;i uzrok smrti rodilja, sa zapo&#x010D;injanjem i agresivno&#x0161;&#x0107;u transfuzijskog lije&#x010D;enja ne smije se oklijevati. (<xref ref-type="bibr" rid="r2"><italic>2</italic></xref>)</p>
<p>Terapijski ciljevi kod akutnoga opstetri&#x010D;kog krvarenja uklju&#x010D;uju Hb &gt;80 g/L, Htc &gt;0,25, fibrinogen &gt;2 g/L, PV i APTV &lt;1,5, PV/APTV &lt;1, EXTEM CT 38 &#x2013; 79 sek, Tr &gt;75 x 10<sup>9</sup>/L, TT &gt;36&#x00BA;C, pH &gt;7,2, ionizirani Ca &gt;1 mmol/L te pra&#x0107;enje D-dimera. (<xref ref-type="bibr" rid="r30"><italic>30</italic></xref>)</p>
</sec>
<sec sec-type="other6">
<title>Atonija uterusa</title>
<p>Okosnicu lije&#x010D;enja atonije uterusa u sklopu PPK &#x010D;ini farmakolo&#x0161;ko lije&#x010D;enje. Oksitocin je neuropeptidni hormon koji se daje u bolusu od 5 UI iv pa dodatno u bolusu od 5 UI iv pp. Nakon toga mo&#x017E;e se razmotriti kontinuirana intravenska infuzija brzinom od 10 UI/sat. Oksitocin se mo&#x017E;e primijeniti i intramiometrijski u dozi od 5 do 10 IU. Bolus ili brza infuzija oksitocina mo&#x017E;e uzrokovati perifernu vazodilataciju, porast SMV-a, tahikardiju, hipotenziju i ishemiju miokarda. Poluvijek oksitocina u plazmi iznosi 1 &#x2013; 6 min. Koristi se i za profilaksu PPK u tre&#x0107;em porodnom dobu. (<xref ref-type="bibr" rid="r31"><italic>31</italic></xref>)</p>
<p>Ergometrin je serotoninski agonist i parcijalni agonist &#x03B1;-receptora koji se daje u dozi od 0,2 do 0,4 mg iv ili im (do maks. doze od 1 mg). Nu&#x017E;an je oprez prilikom njegove iv primjene zbog mogu&#x0107;nosti razvoja zna&#x010D;ajne hipertenzije i spazma koronarnih arterija. Ne smije se upotrebljavati u preeklampsiji. Intramuskularni na&#x010D;in davanja ergometrina je preferabilan. Neki centri primjenjuju ergometrin i intramiometrijski u dozi ekvivalentnoj iv, ali taj na&#x010D;in primjene za sada jo&#x0161; uvijek nije dovoljno poduprt u literaturi. Zbog njegova emetskog u&#x010D;inka potrebno je prilikom njegovog davanja dodati i iv antiemetik (ondansetron 4 mg ili granisetron 1 mg). Ergometrin ima zna&#x010D;ajno dulji poluvijek od oksitocina. Tako&#x0111;er se mo&#x017E;e koristiti za profilaksu PPK (osobito u kombinaciji s oksitocinom), ali s vi&#x0161;e nuspojava i inferiornijim u&#x010D;inkom u usporedbi s oksitocinom. (<xref ref-type="bibr" rid="r32"><italic>32</italic></xref>)</p>
<p>Karboprost (prostaglandin F2&#x03B1;) je sintetski analog prostaglandina koji se primjenjuje kada ergometrin nije djelovao ili je njegova primjena kontraindicirana. Daje se u dozi od 250 &#x03BC;g im ili intramiometrijskom injekcijom, ali ne i iv, jer iv na&#x010D;inom primjene mo&#x017E;e prouzrokovati zna&#x010D;ajnu hipertenziju i anafilaksiju. Doza se mo&#x017E;e ponavljati svakih 15 min (do maksimalne doze od 2 mg). Komplikacija primjene karboprosta je bronhospazam pa ga treba izbjegavati kod astmati&#x010D;ara, a kontraindiciran je kod prematurusa zbog &#x201E;<italic>gasping syndrome</italic>&#x201C;. (<xref ref-type="bibr" rid="r33"><italic>33</italic></xref>)</p>
<p>Mizoprostol je sintetski analog prostaglandina i predstavlja drugu liniju farmakolo&#x0161;kog lije&#x010D;enja atonije uterusa. Daje se u dozi od 800 do 1000 &#x03BC;g sublingvalno ili rektalno (slaba bioraspolo&#x017E;ivost lijeka). Njegova primjena nosi rizik pojave hiperpireksije. (<xref ref-type="bibr" rid="r34"><italic>34</italic></xref>)</p>
<p>Fizi&#x010D;ki na&#x010D;in lije&#x010D;enja atonije uterusa uklju&#x010D;uje masa&#x017E;u uterusa i &#x010D;vrstu bimanualnu kompresiju uterusa kako bi se privremeno kontroliralo krvarenje te pripomoglo izbacivanju ugru&#x0161;aka iz &#x0161;upljine uterusa, omogu&#x0107;uju&#x0107;i ve&#x0107;u u&#x010D;inkovitost uterotonika. Tako&#x0111;er, preporu&#x010D;uje se primjena leda na trbu&#x0161;nu stijenku te eksterna kompresija aorte, kao i kori&#x0161;tenje nepneumatske i anti&#x0161;ok odje&#x0107;e. (<xref ref-type="bibr" rid="r23"><italic>23</italic></xref>, <xref ref-type="bibr" rid="r35"><italic>35</italic></xref>)</p>
<p>Ciljevi kirur&#x0161;kog lije&#x010D;enja atonije uterusa jesu: brzo otkrivanje mjesta ili uzroka krvarenja, ozljede ili upalnog procesa; izbjegavanje masivne transfuzije; sprije&#x010D;avanje progresije stanja &#x0161;oka u DIK-u, vi&#x0161;estrukog zatajenja organa (VOZ) i sindroma akutnoga respiratornog distresa (ARDS); prezervacija uterusa i adneksa te o&#x010D;uvanje fertilnosti. U tu svrhu &#x010D;esto je nu&#x017E;no izvr&#x0161;iti ginekolo&#x0161;ki pregled u op&#x0107;oj anesteziji i sanirati traumu genitalnog trakta, tamponirati uterus i umetnuti intrauterini balon (npr. Bakri balon). (<xref ref-type="bibr" rid="r3"><italic>3</italic></xref>, <xref ref-type="bibr" rid="r36"><italic>36</italic></xref>) Kod atonije uterusa tijekom CR-a literatura navodi korist od primjene B-Lynch, Hayman ili Cho kompresivnog &#x0161;ava na uterus. Katkad je potrebno podvezivanje uterusa i unutarnje ilijakalne arterije, dok je primjena ure&#x0111;aja &#x201E;<italic>Cell Saver</italic>&#x201C; kod masivnih opstetri&#x010D;kih krvarenja tijekom CR-a rezervirana samo za najve&#x0107;e centre i u rijetkim indikacijama. (<xref ref-type="bibr" rid="r37"><italic>37</italic></xref>) U najte&#x017E;im slu&#x010D;ajevima atonije uterusa u svrhu spa&#x0161;avanja &#x017E;ivota rodilje katkad je nu&#x017E;no u&#x010D;initi supracervikalnu ili totalnu histerektomiju. Haller i suradnici su pokazali tijekom 16-godi&#x0161;njeg razdoblja pra&#x0107;enja (do 2015.) pet hrvatskih rodili&#x0161;ta da ukupna u&#x010D;estalost hitnih histerektomija iznosi 0,46%, odnosno 0,18% kod poro&#x0111;aja dovr&#x0161;enih vaginalnim putem i 1,98% kod poro&#x0111;aja dovr&#x0161;enih CR-om, &#x0161;to Hrvatsku svrstava na donju granicu pojavnosti histerektomija u usporedbi s razvijenim zemljama. (<xref ref-type="bibr" rid="r38"><italic>38</italic></xref>)</p>
<p>Danas se atonija uterusa tretira i radiolo&#x0161;kom intervencijom, tj. selektivnom embolizacijom krvnih &#x017E;ila uterusa i zdjelice s uspjehom procedure od oko 90%. Dokazi sugeriraju neuspje&#x0161;nost radiolo&#x0161;ke intervencije ako koagulacijski deficiti prethodno nisu korigirani. (<xref ref-type="bibr" rid="r39"><italic>39</italic></xref>)</p>
<p>Rane komplikacije PPK uklju&#x010D;uju hipovolemi&#x010D;ki &#x0161;ok, DIK, VOZ, ARDS, akutno zatajenje bubrega, zatajenje jetre i transfuzijske komplikacije. (<xref ref-type="bibr" rid="r40"><italic>40</italic></xref>) Kasne komplikacije PPK jesu Sheehanov sindrom, neplodnost, depresija i posttraumatski stresni poreme&#x0107;aj. (<xref ref-type="bibr" rid="r41"><italic>41</italic></xref>, <xref ref-type="bibr" rid="r42"><italic>42</italic></xref>)</p>
<p>Poslijeoperacijsko lije&#x010D;enje rodilje nastavlja se ovisno o hemodinamskoj stabilnosti i potrebi mehani&#x010D;ke ventilacije u jedinici intenzivnog lije&#x010D;enja ili ginekolo&#x0161;kom odjelu intenzivne njege. Tromboprofilaksu treba zapo&#x010D;eti 6 &#x2013; 12 sati nakon uspostave hemostaze zbog zna&#x010D;ajnog rizika od TE komplikacija nakon PPK. (<xref ref-type="bibr" rid="r43"><italic>43</italic></xref>) Suplemente &#x017E;eljeza treba dati jedan do dva dana nakon uspostave hemostaze zbog lije&#x010D;enja anemije te je potrebno uvesti antibiotsku terapiju. (<xref ref-type="bibr" rid="r44"><italic>44</italic></xref>, <xref ref-type="bibr" rid="r45"><italic>45</italic></xref>)</p>
</sec>
<sec sec-type="other7">
<title>Zaklju&#x010D;ak</title>
<p>Ograni&#x010D;avaju&#x0107;i &#x010D;imbenik u istra&#x017E;ivanju masivnoga opstetri&#x010D;kog krvarenja jest &#x010D;injenica kako mnoge spoznaje ovog stanja i dalje potje&#x010D;u iz iskustava traumatolo&#x0161;kih i drugih velikih krvarenja. Glavni ciljevi kod masivnoga opstetri&#x010D;kog krvarenja jesu brzo zaustavljanje samog krvarenja te prevencija mogu&#x0107;ih TE incidenata. Nadalje, treba te&#x017E;iti redukciji transfuzijskih potreba kako bi se izbjegli ne&#x017E;eljeni doga&#x0111;aji i racionalizirala cijena lije&#x010D;enja. Literatura isti&#x010D;e kako je od presudne va&#x017E;nosti postojanje protokola masivnoga opstetri&#x010D;kog krvarenja i uvje&#x017E;ban multidisciplinarni pristup u njihovom izvr&#x0161;avanju, kao i dosljedna primjena profilakse PPK te &#x201E;<italic>point of care</italic>&#x201C; princip vo&#x0111;enja terapijskog postupanja u slu&#x010D;aju masivnoga opstetri&#x010D;kog krvarenja.</p>
</sec>
</body>
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<fn fn-type="conflict">
<p content-type="fn-title">INFORMACIJE O SUKOBU INTERESA</p>
<p>Autori nisu deklarirali sukob interesa relevantan za ovaj rad.</p>
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<p content-type="fn-title">INFORMACIJA O FINANCIRANJU</p>
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<ref-list>
<title>LITERATURA</title>
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