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<article article-type="review-article" dtd-version="1.0" xml:lang="hr" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mml="http://www.w3.org/1998/Math/MathML">
<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-144-402</article-id>
<article-id pub-id-type="doi">10.26800/LV-144-11-12-8</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Review</subject></subj-group>
</article-categories>
<title-group>
<article-title>Laringofaringealni refluks: novosti u dijagnostici i lije&#x010D;enju</article-title>
<trans-title-group xml:lang="en">
<trans-title>Laryngopharyngeal reflux: news in diagnostics and treatment</trans-title>
</trans-title-group>
</title-group>
<contrib-group>
<contrib contrib-type="author"><name><surname>V&#x010D;eva</surname><given-names>Andrijana</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2471-4676</contrib-id><name><surname>Mende&#x0161;</surname><given-names>Tihana</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>&#x0160;estak</surname><given-names>Anamarija</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Zub&#x010D;i&#x0107;</surname><given-names>&#x017D;eljko</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Mihalj</surname><given-names>Hrvoje</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Kotromanovi&#x0107;</surname><given-names>&#x017D;eljko</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Male&#x0161;</surname><given-names>Josip</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Prpi&#x0107;</surname><given-names>Tin</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Abi&#x010D;i&#x0107;</surname><given-names>Ivan</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Rezo</surname><given-names>Matej</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Bogovi&#x0107;</surname><given-names>Vjeran</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Milankovi&#x0107;</surname><given-names>Stjepan Grga</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Vranje&#x0161;</surname><given-names>&#x017D;eljko</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>&#x0160;iri&#x0107;</surname><given-names>Ljiljana</given-names></name><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Kopf</surname><given-names>Tamara</given-names></name><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib>
<aff id="aff1"><label>1</label><institution>Medicinski fakultet Sveu&#x010D;ili&#x0161;ta Josipa Jurja Strossmayera u Osijeku, Katedra za otorinolaringologiju i maksilofacijalnu kirurgiju</institution>, <addr-line>Osijek</addr-line></aff>
<aff id="aff2"><label>2</label>Klinika za otorinolaringologiju i kirurgiju glave i vrata Klini&#x010D;koga bolni&#x010D;kog centra Osijek</aff>
</contrib-group>
<author-notes>
<corresp id="cor1">Adresa za dopisivanje: Dr. sc. Tihana Mende&#x0161;, dr. med., <ext-link ext-link-type="uri" xlink:href="https://orcid.org/0000-0003-2471-4676">https://orcid.org/0000-0003-2471-4676</ext-link> &#x2028;Klinika za otorinolaringologiju i kirurgiju glave i vrata, Klini&#x010D;ki bolni&#x010D;ki centar Osijek, J. Huttlera 4, 31000 Osijek, e-po&#x0161;ta: <email xlink:href="tihanamendes811@gmail.com">tihanamendes811@gmail.com</email></corresp></author-notes>
<pub-date pub-type="epub-ppub"><month>12</month><year>2022</year></pub-date>
<volume>144</volume>
<issue>11-12</issue>
<fpage>402</fpage>
<lpage>410</lpage>
<permissions>
<copyright-year>2022</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>U posljednjih pedeset godina globalizacija i urbanizacija zna&#x010D;ajno su promijenile na&#x010D;in i stil &#x017E;ivota, a s njim i na&#x010D;in i stil prehrane. &#x017D;ivimo u&#x017E;urbanim stilom &#x017E;ivota, svakodnevno smo izlo&#x017E;eni brojnim stresnim situacijama, konzumiramo gotovu, brzo pripremljenu hranu, gazirana i alkoholna pi&#x0107;a, a navedeno prati i prehrambena industrija koja, da bi produ&#x017E;ila vijek trajanja namirnica, svu hranu dodatno zakiseljava. Kao posljedica lo&#x0161;ih prehrambenih navika, konzumiranja hrane kada bismo se trebali odmarati, stresa, ali i djelovanja prehrambene industrije do&#x0161;lo je do epidemije refluksne bolesti. Dio te bolesti jest i laringofaringealni refluks, bolest karakterizirana vra&#x0107;anjem &#x017E;elu&#x010D;anog sadr&#x017E;aja u grkljan, &#x017E;drijelo i okolne organe, &#x0161;to dovodi do promuklosti, ka&#x0161;lja, ote&#x017E;anog gutanja i disanja te u kona&#x010D;nici nastanka dobro&#x0107;udnih i/ili zlo&#x0107;udnih promjena grkljana. U ve&#x0107;ine oboljelih klju&#x010D;nu ulogu u nastanku promjena u grkljanu i drugim organima ima pepsin, a kiseli medij mu slu&#x017E;i za odr&#x017E;avanje proteoliti&#x010D;ke aktivnosti. Osim pepsina, soli &#x017E;u&#x010D;nih kiselina i drugi gastroduodenalni proteini mogu imati ulogu u nastanku upalnih promjena sluznice gornjega aerodigestivnog trakta. Terapiju laringofaringealnog refluksa u ve&#x0107;ini slu&#x010D;ajeva zapo&#x010D;injemo medikamentoznim lije&#x010D;enjem, &#x0161;to je krivo i neu&#x010D;inkovito. Stoga je va&#x017E;no naglasiti da lije&#x010D;enje laringofaringealnog refluksa uvijek mora zapo&#x010D;eti promjenom na&#x010D;ina prehrane i promjenom stila &#x017E;ivota te reguliranjem stresa. Lije&#x010D;enje mora biti individualno i u lije&#x010D;enju ove bolesti mora sudjelovati multidisciplinarni tim u koji moraju biti uklju&#x010D;eni nutricionist, psiholog i psihijatar.</p>
</abstract>
<trans-abstract xml:lang="en">
<title>SUMMARY</title>
<p>In the last fifty years, globalization and urbanization have significantly changed our lifestyles and our eating habits. We live hectic lifestyles and are exposed to many stressful situations every day, we consume ready-made, quickly prepared food, carbonated and alcoholic beverages. All of this is accompanied by the food industry, which also acidifies all the foods to prolong their shelflife. As a consequence of bad eating habits, consuming food when you should rest, stress, but also the activities of the food industry, there has been an epidemic of reflux disease. Part of this disease is laryngopharyngeal reflux, a disease characterized by the return of gastric contents to the throat and surrounding organs, which leads to hoarseness, coughing, swallowing and breathing difficulty, and ultimately the development of benign and / or malignant changes in the larynx. In most patients, pepsin plays a key role in developing changes in the larynx and other organs, and its acidic medium serves to maintain proteolytic activity. In addition to pepsin, bile acid salts and other gastroduodenal proteins may play a role in the development of inflammatory changes in the mucosa of the upper aerodigestive tract. In most cases, we start laryngopharyngeal reflux therapy with medication, however this is wrong and ineffective. Therefore, it is important to emphasize that treatment must always begin with a change in diet, lifestyle and stress regulation. The treatment of laryngopharyngeal reflux must be individual and should involve a multidisciplinary team with a nutritionist, a psychologist and a psychiatrist.</p>
</trans-abstract>
<kwd-group kwd-group-type="author"><kwd>Deskriptori LARINGOFARINGEALNI REFLUKS &#x2013; dijagnoza, etiologija, lije&#x010D;enje</kwd><kwd>PROCJENA SIMPTOMA &#x2013; metode</kwd><kwd>PEPSIN</kwd><kwd>&#x017D;U&#x010C;NE KISELINE I SOLI</kwd><kwd>STIL &#x017D;IVOTA</kwd><kwd>PREHRAMBENE NAVIKE</kwd><kwd>DIJETOTERAPIJA</kwd><kwd>INHIBITORI PROTONSKE PUMPE &#x2013; terapijska uporaba, nuspojave</kwd></kwd-group>
<kwd-group kwd-group-type="translator" xml:lang="en"><title>Descriptors </title><kwd>LARYNGOPHARYNGEAL REFLUX &#x2013; diagnosis, etiology, therapy</kwd><kwd>SYMPTOM ASSESSMENT &#x2013; methods</kwd><kwd>PEPSIN A</kwd><kwd>BILE ACIDS AND SALTS</kwd><kwd>LIFE STYLE</kwd><kwd>FEEDING BEHAVIOR</kwd><kwd>DIET THERAPY</kwd><kwd>PROTON PUMP INHIBITORS &#x2013; therapapeutic use, adverse effects</kwd></kwd-group>
</article-meta>
</front>
<body>
<p>Vi&#x0161;e od 40 godina u medicinskoj literaturi postoji klini&#x010D;ki entitet poznat kao laringofaringealni refluks (skr. LPR) ili &#x201E;tihi refluks&#x201C;, &#x0161;to prema Ameri&#x010D;koj akademiji za otorinolaringologiju i kirurgiju glave i vrata ozna&#x010D;ava povrat &#x017E;elu&#x010D;anog sadr&#x017E;aja u laringofarinks. (<xref ref-type="bibr" rid="r1"><italic>1</italic></xref>) Leichen, et al. (<xref ref-type="bibr" rid="r2"><italic>2</italic></xref>) su zaklju&#x010D;ili da je navedena definicija LPR-a nepotpuna jer povrat &#x017E;elu&#x010D;anog sadr&#x017E;aja koji sadr&#x017E;ava pepsin, soli &#x017E;u&#x010D;nih kiselina i druge gastroduodenalne proteine izaziva iritaciju ne samo sluznice laringofarinksa, ve&#x0107; sluznice &#x010D;itavoga gornjeg aerodigestivnog trakta. Stoga, oni definiraju LPR kao upalu tkiva gornjega aerodigestivnog trakta koja nastaje direktnim ili indirektnim djelovanjem &#x017E;elu&#x010D;anog ili duodenalnog refluksa i uzrokuje morfolo&#x0161;ke promjene gornjega aerodigestivnog trakta. (<xref ref-type="bibr" rid="r2"><italic>2</italic></xref>) S na&#x0161;eg stajali&#x0161;ta navedenom dijagnozom nisu obuhva&#x0107;eni donji di&#x0161;ni putevi, prije svega plu&#x0107;a, u kojima LPR mo&#x017E;e uzrokovati iritaciju i upalna stanja od blagih do &#x017E;ivotno ugro&#x017E;avaju&#x0107;ih.</p>
<p>LPR je &#x010D;esta bolest i danas ima karakteristike epidemije. Oko 125 milijuna Amerikanaca i oko dvije milijarde ljudi diljem svijeta boluje od refluksa. (<xref ref-type="bibr" rid="r3"><italic>3</italic></xref>, <xref ref-type="bibr" rid="r4"><italic>4</italic></xref>) Istra&#x017E;ivanje iz 2010. godine o prevalenciji LPR-a i gastroezofagealnog refluksa (skr. GER) na uzorku od 656 ameri&#x010D;kih gra&#x0111;ana pokazuje da 40% ispitanika ima refluks i to 22% GER, a 18% LPR ili gotovo jedan od pet Amerikanaca boluje od LPR-a. Nije zabilje&#x017E;ena statisti&#x010D;ki zna&#x010D;ajna razlika u pojavnosti refluksa s obzirom na dob, spol i geografsku pripadnost ispitanika. Neo&#x010D;ekivan i iznena&#x0111;uju&#x0107;i podatak iz istra&#x017E;ivanja jest da gotovo 37% ispitanika u dobi od 21 do 30 godina &#x017E;ivota ima refluks. (<xref ref-type="bibr" rid="r5"><italic>5</italic></xref>)</p>
<p>Unato&#x010D; tomu, LPR je jo&#x0161; uvijek &#x010D;esto neprepoznat, i od bolesnika i od lije&#x010D;nika, &#x010D;esto je nelije&#x010D;en ili neadekvatno lije&#x010D;en ili se tuma&#x010D;i kao atipi&#x010D;ni GER. Jedan od razloga njegove neprepoznatljivosti i neadekvatnog lije&#x010D;enja proizlazi iz &#x010D;injenice da u ve&#x0107;ine bolesnika &#x201E;tihi refluks&#x201C; nije pra&#x0107;en simptomima &#x201E;glasnog refluksa&#x201C;, &#x017E;garavicom i podrigivanjem, te se manifestira simptomima koji su nespecifi&#x010D;ni i karakteristi&#x010D;ni za vi&#x0161;e razli&#x010D;itih bolesti. (<xref ref-type="bibr" rid="r6"><italic>6</italic></xref>) Predmijeva se da manje od 50% bolesnika s LPR-om ima gastroezofagealnu refluksnu bolest (skr. GERB), (<xref ref-type="bibr" rid="r7"><italic>7</italic></xref>, <xref ref-type="bibr" rid="r8"><italic>8</italic></xref>) a laringofaringealne tegobe ima oko 32,8% bolesnika s GERB-om. (<xref ref-type="bibr" rid="r7"><italic>7</italic></xref>)</p>
<p>Ve&#x0107;ina autora smatra da klju&#x010D;nu ulogu u nastanku promjena u grkljanu i drugim organima te u nastanku simptoma ima pepsin, a kiseli medij mu slu&#x017E;i za odr&#x017E;avanje proteoliti&#x010D;ke aktivnosti, ali i drugi enzimi mogu imati klju&#x010D;nu ulogu u razvoju upalne reakcije sluznice aerodigestivnog trakta. (<xref ref-type="bibr" rid="r9"><italic>9</italic></xref>, <xref ref-type="bibr" rid="r10"><italic>10</italic></xref>) Stres i autonomna &#x017E;iv&#x010D;ana disfunkcija tako&#x0111;er se spominju kao mogu&#x0107;i razlozi razvoja LPR-a. Autonomna &#x017E;iv&#x010D;ana disfunkcija mo&#x017E;e pove&#x0107;ati u&#x010D;estalost otvaranja gornjega i donjega ezofagealnog sfinktera te posljedi&#x010D;no dovesti do u&#x010D;estalijih laringofaringealnih refluksnih epizoda. U posljednje vrijeme samo nekoliko autora predmijeva da bolesnici s LPR-om imaju disfunkciju autonomnoga &#x017E;iv&#x010D;anog sustava, anksioznost ili stres. (<xref ref-type="bibr" rid="r11"><italic>11</italic></xref>, <xref ref-type="bibr" rid="r12"><italic>12</italic></xref>)</p>
<p>Lije&#x010D;enje svih oblika LPR-a uvijek treba zapo&#x010D;eti promjenom na&#x010D;ina prehrane, promjenom na&#x010D;ina i stila &#x017E;ivota, izbjegavanjem stresnih stanja, a samo u slu&#x010D;ajevima te&#x0161;kog i &#x017E;ivotno ugro&#x017E;avaju&#x0107;eg LPR-a treba primjeniti medikamentozno lije&#x010D;enje koje ne bi smjelo trajati dugo zbog brojnih kratkoro&#x010D;nih i dugoro&#x010D;nih nuspojava. (<xref ref-type="bibr" rid="r13"><italic>13</italic></xref>)</p>
<p>Na&#x017E;alost, u svakodnevnoj klini&#x010D;koj praksi svjedoci smo da se lije&#x010D;enje LPR-a, bez obzira o kojem se obliku LPR-a radi, zapo&#x010D;inje medikamentima, a promjena na&#x010D;ina prehrane i regulacija stresa &#x010D;esto se izostave, odnosno bolesnici se ne upu&#x0107;uju na obradu nutricionistu, niti psihologu ili psihijatru.</p>
<p>U ovom preglednom radu &#x017E;elimo istaknuti novosti u dijagnostici i lije&#x010D;enju LPR-a koje se prvenstveno odnose na primjenu novih upitnika za postavljanje sumnje na LPR, obveznu primjenu nutritivne terapije uz regulaciju stresa u lije&#x010D;enju LPR-a te potrebu da se u multidisciplinarni tim koji sudjeluje u lije&#x010D;enju oboljelih od LPR-a uklju&#x010D;e nutricionist, psiholog i psihijatar.</p>
<sec sec-type="other1">
<title>Novosti u dijagnostici laringofaringealnog refluksa</title>
<p>Dijagnoza LPR-a i danas je kontroverzna i naj&#x010D;e&#x0161;&#x0107;e temeljena na simptomima, klini&#x010D;kim znakovima, hipofaringo-ezofagealnoj multikanalnoj intraluminalnoj impedanciji s dvokanalnom 24-satnom pH-metrijom (HEMII-pH) i utvr&#x0111;ivanjem razine pepsina u slini. (<xref ref-type="bibr" rid="r14"><italic>14</italic></xref>)</p>
<p>Simptomi i klini&#x010D;ke manifestacije LPR-a naj&#x010D;e&#x0161;&#x0107;e se javljaju u podru&#x010D;ju grkljana (promuklost, kroni&#x010D;no &#x010D;i&#x0161;&#x0107;enje grla, <italic>globus faringeus</italic>, ote&#x017E;ano gutanje, postnazalno slijevanje, ka&#x0161;alj, epizode gu&#x0161;enja/laringospazam), ali se mogu javiti i u drugim organima: &#x017E;drijelu, plu&#x0107;ima, nosu, sinusima, u&#x0161;ima. (<xref ref-type="bibr" rid="r6"><italic>6</italic></xref>) Simptomi LPR-a su nespecifi&#x010D;ni te je Belafsky devet najkarakteristi&#x010D;nijih simptoma LPR-a kvantificirao u upitnik <italic>Reflux Symptom Index &#x2013; RSI</italic>. Zbroj ve&#x0107;i od 13 pobu&#x0111;uje sumnju na LPR. (<xref ref-type="bibr" rid="r15"><italic>15</italic></xref>) Glavni nedostatak upitnika <italic>RSI</italic> jest to &#x0161;to ne razmatra simptome koji se &#x010D;esto javljaju u bolesnika s LPR-om kao &#x0161;to su bol u grlu, bolno gutanje, neugodan zadah iz usta ili regurgitacija te ne razmatra u&#x010D;estalost javljanja simptoma. (<xref ref-type="bibr" rid="r16"><italic>16</italic></xref>) Odnedavno se korisnim u dijagnostici i pra&#x0107;enju bolesnika s LPR-om pokazao samoocjenski upitnik <italic>Reflux Symptom Score</italic> (<xref ref-type="bibr" rid="r17"><italic>17</italic></xref>), odnosno njegova skra&#x0107;ena verzija <italic>Reflux Symptom Score &#x2013; 12</italic> (<xref ref-type="fig" rid="f1">Figure 1</xref>).</p>
<fig id="f1" position="float" fig-type="figure"><label>Figure 1</label><caption><p>Reflux symptom score &#x2013; 12</p></caption><graphic xlink:href="LV-144-402-f1"></graphic></fig>
<p>Samoocjenski upitnik refluksnih simptoma (skr. <italic>RSS),</italic> sastoji se od 22 naj&#x010D;e&#x0161;&#x0107;a simptoma: otorinolaringolo&#x0161;kih, probavnih i pulmolo&#x0161;kih te ocjenjuje u&#x010D;estalost, te&#x017E;inu i potencijalni utjecaj simptoma na kvalitetu &#x017E;ivota. (<xref ref-type="bibr" rid="r17"><italic>17</italic></xref>) Lechien i suradnici (<xref ref-type="bibr" rid="r18"><italic>18</italic></xref>) stvorili su i skra&#x0107;enu verziju upitnika refluksnih simptoma, <italic>Reflux symptom score &#x2013; 12.</italic> Upitnik se sastoji od 12 naj&#x010D;e&#x0161;&#x0107;ih simptoma LPR-a i tako&#x0111;er procjenjuje u&#x010D;estalost, te&#x017E;inu i utjecaj simptoma na kvalitetu &#x017E;ivota ispitanika. Zbroj u upitniku ve&#x0107;i od 11 pobu&#x0111;uje sumnju na LPR i koristan je alat za pra&#x0107;enje razvoja bolesti tijekom lije&#x010D;enja.</p>
<p>Tipi&#x010D;ni klini&#x010D;ki nalazi koji ukazuju na LPR nalaze se u grkljanu i opisuju se nakon transnazalne fleksibilne laringoskopije: pseudosulkus, ventrikularna obliteracija, eritem i hiperemija, edem glasnica, difuzni edem grkljana, hipertrofija sluznice stra&#x017E;nje komisure, postkrikoidni edem (engl. <italic>tiger-stripe post-cricoid edema</italic>), granulomi/granulacije/ulceracije, gusti endolaringealni mukus. (<xref ref-type="bibr" rid="r18"><italic>18</italic></xref>) Kako se ovi klini&#x010D;ki nalazi mogu vidjeti i u drugim bolestima grkljana kao &#x0161;to su upala, alergija, kroni&#x010D;ni abuzus alkohola i duhana itd., Belafsky i suradnici (<xref ref-type="bibr" rid="r19"><italic>19</italic></xref>) su osam specifi&#x010D;nih klini&#x010D;kih nalaza u grkljanu kvantificirali u upitnik <italic>Reflux finding Score &#x2013; RFS</italic> i ako je zbroj ve&#x0107;i od sedam mo&#x017E;emo postaviti sumnju na postojanje LPR-a. Nedostatak navedenog upitnika proizlazi iz &#x010D;injenice da obuhva&#x0107;a samo klini&#x010D;ke znakove u grkljanu, a ne obuhva&#x0107;a klini&#x010D;ke znakove LPR-a izvan grkljana. (<xref ref-type="bibr" rid="r20"><italic>20</italic></xref>)&#x00B0; Lechien i suradnici (<xref ref-type="bibr" rid="r21"><italic>21</italic></xref>) nedavno su stvorili kompletniji klini&#x010D;ki instrument za procjenu i laringealnih i ekstralaringealnih klini&#x010D;kih manifestacija LPR-a, a radi se o upitniku <italic>Reflux Sign Assessment &#x2013; RSA</italic> (<xref ref-type="fig" rid="f2">Figure 2</xref>). (<xref ref-type="bibr" rid="r21"><italic>21</italic></xref>)</p>
<fig id="f2" position="float" fig-type="figure"><label>Figure 2</label><caption><p>Reflux Sign Assessment &#x2013; RSA</p></caption><graphic xlink:href="LV-144-402-f2"></graphic></fig>
<p>Upitnik se sastoji od 16 klini&#x010D;kih znakova LPR-a u grkljanu i izvan njega te se njime mogu identificirati oralne i orofaringealne promjene koje su &#x010D;este u bolesnika s LPR-om. U bolesnika s LPR-om zna&#x010D;ajno su &#x010D;e&#x0161;&#x0107;e prisutni eritem prednjih nep&#x010D;anih lukova, naslage na jeziku, eritem uvule i stra&#x017E;njeg zida orofarinksa u usporedbi sa zdravim ljudima. (<xref ref-type="bibr" rid="r21"><italic>21</italic></xref>)</p>
<p>Navedeni simptomi i klini&#x010D;ke manifestacije LPR-a nastaju jer je sluznica grkljana izuzetno osjetljiva i vrlo lako se o&#x0161;teti djelovanjem &#x017E;elu&#x010D;anog refluksa. Refluksno o&#x0161;te&#x0107;enje sluznice grkljana rezultat je djelovanja pepsina (a ne kiseline, naj&#x010D;e&#x0161;&#x0107;e na pH 5) koji se ve&#x017E;e za epitel grkljana (engl. <italic>tissue bound pepsin</italic>) i deplecije klju&#x010D;nih protektivnih proteina: karboanhidraze, E-kadherina i stres proteina. Jednom kada se pepsin ve&#x017E;e za epitel grkljana njegova proteoliti&#x010D;ka aktivnost se nastavlja djelovanjem kiseline i to naj&#x010D;e&#x0161;&#x0107;e kiseline iz hrane i pi&#x0107;a. Stoga je metoda utvr&#x0111;ivanja pepsina u slini (engl. <italic>spit in cup</italic>) jednostavna, osjetljiva i neinvazivna metoda za postavljanje dijagnoze LPR-a. (<xref ref-type="bibr" rid="r22"><italic>22</italic></xref>, <xref ref-type="bibr" rid="r23"><italic>23</italic></xref>)</p>
<p>Osim pepsina, soli &#x017E;u&#x010D;nih kiselina i drugi gastroduodenalni proteini mogu imati ulogu u nastanku upalnih promjena sluznice gornjega aerodigestivnog trakta.</p>
<p>O morfolo&#x0161;kim promjenama sluznice grkljana djelovanjem refluksa zna se vrlo malo. Prema posljednjim istra&#x017E;ivanjima djelovanjem acidopepsinskog refluksa u sluznici jednjaka, grkljana, a i u sluznici orofarinksa dolazi do dilatacije intercelularnog prostora (skr. DIS) izme&#x0111;u plo&#x010D;astih epitelnih stanica te se upravo elektronsko-mikroskopski dokaz DIS-a smatra morfolo&#x0161;kim markerom LPR-a. (<xref ref-type="bibr" rid="r24"><italic>24</italic></xref>)</p>
</sec>
<sec sec-type="other2">
<title>Novosti u lije&#x010D;enju laringofaringealnog refluksa</title>
<p>Terapija LPR-a ovisi o te&#x017E;ini simptoma (blagi, umjereni, te&#x0161;ki), ali sva tri oblika bolesti moraju uklju&#x010D;ivati nutritivnu terapiju, smanjenje prekomjerne tjelesne mase, odr&#x017E;avanje po&#x017E;eljnog indeksa tjelesne mase, prestanak pu&#x0161;enja, neno&#x0161;enje uske odje&#x0107;e, izbjegavanje vje&#x017E;banja nakon jela, izbjegavanje lijeganja 3&#x2013;4 sata nakon obroka, podizanje uzglavlja kreveta, izbjegavanje konzumiranja alkohola i pove&#x0107;anje tjelesne aktivnosti. Nutritivnom terapijom moramo identificirati pi&#x0107;a i namirnice koje izazivaju smetnje, koje su visokorizi&#x010D;ne za nastanak refluksa te poku&#x0161;ati te namirnice zamijeniti sli&#x010D;nim namirnicama koje ne poti&#x010D;u ne&#x017E;eljene simptome LPR-a (<xref ref-type="fig" rid="f3">Figure 3 i</xref> <xref ref-type="fig" rid="f4">Figure 4</xref>). (<xref ref-type="bibr" rid="r25"><italic>25</italic></xref>)</p>
<fig id="f3" position="float" fig-type="figure"><label>Figure 3</label><caption><p>The Refluxogenic diet score of groceries and their Refluxogenic Potential</p></caption><graphic xlink:href="LV-144-402-f3"></graphic></fig>
<fig id="f4" position="float" fig-type="figure"><label>Figure 4</label><caption><p>The Refluxogenic diet score of beverages</p></caption><graphic xlink:href="LV-144-402-f4"></graphic></fig>
<p>U lije&#x010D;enju LPR-a klju&#x010D;na je uloga bolesnika koji mora shvatiti da je pravilna prehrana klju&#x010D;an &#x010D;imbenik u kratkoro&#x010D;nom i dugoro&#x010D;nom lije&#x010D;enju LPR-a. (<xref ref-type="bibr" rid="r25"><italic>25</italic></xref>) Tako&#x0111;er, bolesnike je potrebno dodatno upoznati i educirati o potrebi lije&#x010D;enja stresa i anksioznosti jer oboje mo&#x017E;e dovesti do autonomne &#x017E;iv&#x010D;ane disfunkcije i povremene relaksacije ezofagealnih sfinktera. (<xref ref-type="bibr" rid="r25"><italic>25</italic></xref>)</p>
<p>Planiranje nutritivne terapije za osobe s LPR-om podrazumijeva prijedlog vremenskog rasporeda obroka u odnosu na uzrast, zdravstveno stanje, fiziolo&#x0161;ko stanje, profesionalnu i tjelesnu aktivnost i vrijeme odlaska na spavanje. Potrebno je napraviti optimalan raspored uzimanja medikamentozne terapije ordinirane za LPR u odnosu na obroke kako bismo omogu&#x0107;ili najbolju u&#x010D;inkovitost medikamentozne terapije te kako bismo izbjegli ne&#x017E;eljene interakcije izme&#x0111;u hrane i lijekova. Prijedlog nutritivne terapije u osoba s LPR-om mora biti individualan, temeljen na dokazima i priznatim nutritivnim vodi&#x010D;ima, a iskazan u obliku serviranja namirnica koje su zastupljene u &#x017E;ivotnoj sredini osobe s LPR-om, prilago&#x0111;en uzrastu, zdravstvenom stanju, fiziolo&#x0161;kom stanju, dnevnoj razini fizi&#x010D;ke aktivnosti, razini obrazovanja, vjerskim i kulturnim osobitostima. (<xref ref-type="bibr" rid="r26"><italic>26</italic></xref>)</p>
<p>Zbog proteoliti&#x010D;kog djelovanja pepsina na sluznicu aerodigestivnog sustava i &#x010D;injenice da bilo koji izvor vodikovih iona, ukulju&#x010D;uju&#x0107;i kiselu hranu i pi&#x0107;a, mo&#x017E;e produ&#x017E;iti vrijeme (danima ili tjednima) proteoliti&#x010D;ke aktivnosti, promjena na&#x010D;ina prehrane, posebno prehrane s manje kiselom hranom, jest od temeljne va&#x017E;nosti za uspjeh lije&#x010D;enja. Konzumiranje visokomasne, niskoproteinske, slatke i kisele hrane i pi&#x0107;a pove&#x0107;ava u&#x010D;estalost refluksnih epizoda u &#x017E;drijelo. (<xref ref-type="bibr" rid="r27"><italic>27</italic></xref>)</p>
<p>Od medikamenata na prvom su mjestu lijekovi koji suprimiraju lu&#x010D;enje kiseline: inhibitori protonske pumpe (skr. IPP) u dvokratnoj dozi koji djeluju na H+-K+ATPazu, klju&#x010D;ni enzim u kona&#x010D;noj fazi mehanizma stvaranja kiseline. Terapija mora biti agresivna i duga zbog vrlo velike osjetljivosti sluznice grkljana na djelovanje kiseline i pepsina te je potrebno davati terapiju koja djeluje 24 sata. Zbog toga nije dostatna jednokratna terapija IPP-om, ve&#x0107; ih je potrebno ordinirati dvokratno, pola sata prije doru&#x010D;ka i pola sata prije ve&#x010D;ere. Prosje&#x010D;na jutarnja doza IPP-a djeluje 13,5 sati, a ve&#x010D;ernja doza 7,5 sati. Predlo&#x017E;ena je inicijalna terapija IPP-om 2 x 20 mg, ili kod &#x017E;ivotno ugro&#x017E;avaju&#x0107;e bolesti 3&#x2013;4 x 20 mg, u trajanju od najmanje &#x0161;est mjeseci. Kada nastupi pobolj&#x0161;anje doza se smanjuje, a potom se terapija i potpuno prekida. Me&#x0111;utim, IPP se ne preporu&#x010D;uju za empirijsko uzimanje, ve&#x0107; samo u slu&#x010D;ajevima dokazanog refluksa kiseline i pepsina te se preporu&#x010D;uje uzimanje lijeka u &#x0161;to kra&#x0107;em vremenskom razdoblju. (<xref ref-type="bibr" rid="r25"><italic>25</italic></xref>)</p>
<p>Duljina djelovanja pojedinog IPP-a ovisi o tipu cisteina na koji se ve&#x017E;e odabrani IPP. Pantoprazol djeluje dulje, s poluvremenom oporavka od 46 sati, dok je oporavak ATPaze inhibirane lansoprazolom i omeprazolom br&#x017E;i od o&#x010D;ekivanog, s poluvremenom oporavka od 13 do 27 sati. (<xref ref-type="bibr" rid="r28"><italic>28</italic></xref>) Bioraspolo&#x017E;ivost peroralnih pripravaka lansoprazola, pantoprazola i rabeprazola jednaka je od prvog dana lije&#x010D;enja, &#x0161;to omogu&#x0107;uje bolju kontrolu tijekom lije&#x010D;enja. Pokazuju proporcionalnu farmakokinetiku, za razliku od omeprazola i esomeprazola &#x010D;ije se doze &#x010D;esto moraju dvokratno uklju&#x010D;iti ve&#x0107; nakon nekoliko dana terapije zbog svoje neproporcionalne farmakokinetike. Za omeprazol i esomeprazol bioraspolo&#x017E;ivost raste tijekom pet dana terapije, varijabilna je i &#x010D;esto nepredvidljiva. (<xref ref-type="bibr" rid="r29"><italic>29</italic></xref>)</p>
<p>Dobro su poznate kratkoro&#x010D;ne i dugoro&#x010D;ne nuspojave uzimanja IPP-a (<xref ref-type="fig" rid="f5">Figure 5</xref>). (<xref ref-type="bibr" rid="r25"><italic>25</italic></xref>) Ukoliko ne postoji odgovaraju&#x0107;i odgovor na lije&#x010D;enje IPP, nu&#x017E;no je pomisliti da je rije&#x010D; o nekiselom ili slabo kiselom refluksu. Metaanaliza Lechiena i suradnika pokazuje neznatnu superiornost IPP-a u usporedbi s placebom i ukazuje na veliku va&#x017E;nost nutritivne terapije. (<xref ref-type="bibr" rid="r16"><italic>16</italic></xref>) Nutritivna terapija mediteranskom dijetom i alkalnom vodom pokazala se u&#x010D;inkovitijom od lije&#x010D;enja IPP-om. (<xref ref-type="bibr" rid="r30"><italic>30</italic></xref>)</p>
<fig id="f5" position="float" fig-type="figure"><label>Figure 5</label><caption><p>Long-term side effects of proton pump inhibitors</p></caption><graphic xlink:href="LV-144-402-f5"></graphic></fig>
<p>Blokatori receptora H2A koriste se za no&#x0107;ni refluks ili za povremeno uzimanje kada su simptomi refluksa izra&#x017E;eniji. Va&#x017E;no je napomenuti da se malo pa&#x017E;nje usmjerava na nekiseli, slabo kiseli ili mije&#x0161;ani &#x017E;elu&#x010D;ani refluks koji mo&#x017E;e dospjeti u di&#x0161;ne puteve i koji nije bezna&#x010D;ajan te bi uputno bilo prije primjene nutritivne terapije utvrditi karakteristike refluksa koji izaziva smetnje. (<xref ref-type="bibr" rid="r31"><italic>31</italic></xref>) Postojanje GERB-a &#x010D;esto je udru&#x017E;eno s kiselim LPR-om, a u bolesnika bez GERB-a ve&#x0107;i je postotak nekiselog ili mije&#x0161;anog LPR-a. (<xref ref-type="bibr" rid="r31"><italic>31</italic></xref>) Nekiseli ili slabo kiseli te mije&#x0161;ani LPR zahtijevaju primjenu alginata, polisaharida iz algi koji se konvertiraju u gel, stvaraju fizi&#x010D;ku barijeru i kontroliraju alkalnu komponentu refluksa. (<xref ref-type="bibr" rid="r32"><italic>32</italic></xref>) Najbolje ih je upotrijebiti nakon svakog obroka i prije odlaska u krevet kako bi se sprije&#x010D;ilo djelovanje kiseloga &#x017E;elu&#x010D;anog sadr&#x017E;aja. Mogu se uzimati dulje vrijeme i u pauzama izme&#x0111;u uzimanja IPP-a ili H2A blokatora.</p>
</sec>
<sec sec-type="other3">
<title>Zaklju&#x010D;ak</title>
<p>U dijagnostici LPR-a predla&#x017E;emo primjenu novih, kompletnijih upitnika za postavljanje sumnje na LPR: <italic>Reflux symptom score</italic> i <italic>Reflux sign assessment</italic>. Promjena na&#x010D;ina prehrane i &#x017E;ivotnog stila uz regulaciju stresa mora biti prvi korak lije&#x010D;enja svih oblika LPR-a. Lije&#x010D;enje mora biti individualno i u lije&#x010D;enju LPR-a mora sudjelovati multidisciplinarni tim u koji moraju biti uklju&#x010D;eni nutricionist, psiholog i psihijatar.</p>
</sec>
</body>
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