A AB BS S T TR RA AC CT T B Ba ac ck k g gr ro o u un nd d: : Ex hi bi ting po ten ti al ca u ses of chro nic ur ti ca ri a in ro u ti ne da ily prac ti ce is a comp lex pro ce du re. A gu i de li ne, de ve lo ped by the re se arc hers, in ves ti ga ting the eti o logy of chro nic ur ti ca ri a was eva lu a ted in this study. In this gu i de li ne eryt hrocy te se di men ta ti on ra te, comp le te blo od co unt, uri ne analy sis and di rect mic ros co pic exa mi na ti on of sto ol for pa ra si tes we re rou ti ne and ot her di ag nos tic pro ce du res we re re qu es ted ac cor ding to cli ni cal fin dings of po ten ti al ca u ses. O Ob b j je ec c t ti i v ve e: : The pur po se of the study was to de ter mi ne the ra te of imp le men ta ti on of the gui de li ne con si de ring a da ily prac ti ce. M Ma a t te e r ri i a al l a an nd d M Me et t h ho od ds s: : Fol lo wing di ag no sis of chro nic ur ti cari a, pa ti ents we re in ter ro ga ted with a stan dard qu es ti on na i re form, and we re exa mi ned in or der to de ter mi ne the cli ni cal fin dings of pos sib le ca u ses of the di se a se. The re cords of 903 pa ti ents in total we re ret ros pec ti vely eva lu a ted. Du ring the eva lu a ti on pro cess, the ne ces sary and un ne ces sary di ag nos tic pro ce du res re gar ding the gu i de li ne we re de ter mi ned by using com pu te ri zed al go rithms. During eva lu a ti on so me pa ra me ters such as age and gen der of pa ti ents, du ra ti on and se ve rity of the di se a se, and num bers and types of di ag nos tic pro ce du res af fec ting the gra de of the re qu est and comp le ti on we re al so ta ken in to ac co unt. R Re e s su ul lt ts s: : The to tal num ber of ne ces sary pro ce du res was 4070, less than one third of which we re re qu es ted by the physi ci ans. Ho we ver, the pa ti ents comp le ted mo re than thre e fo urths of the re qu es ted pro ce du res. Mo re o ver, the physi ci ans re qu es ted so me unne ces sary pro ce du res in al most one third of the pa ti ents. C Co on nc c l lu u s si i o on n: : Ac cor ding to cli ni cal fin dings, lo wer thres hold for ne ces sity of in ves ti ga ti on le ads to mo re fa i lu re in imp le men ta ti on of a gu i de line. Gu i de li nes de ve lo ped for the eti o lo gi cal di ag no sis of chro nic ur ti ca ri a sho uld be eva lu a ted retros pec ti vely on da ta from da ily prac ti ces to eva lu a te the uti lity of a gu i de li ne. K Ke ey y W Wo or rd ds s: : Ur ti ca ri a; ret ros pec ti ve stu di es; gu i de li ne; eti o logy Ö ÖZ ZE ET T G Gi i r ri iş ş: : Gün lük uy gu la ma da kro nik ür ti ke rin ola sı ne den le ri ni or ta ya çı kar mak kar ma şık bir iş lem dir. Bu ça lış ma da kro nik ür ti ke rin ne de ni ni araş tır mak için araş tır ma cı lar ta ra fın dan ge liş tiril miş olan bir reh ber de ğer len di ril di. Bu reh ber de erit ro sit se di man tas yon hı zı, tam kan sa yı mı, tam id rar tet ki ki ve ga i ta da pa ra zit in ce le me si ru tin ola rak, di ğer ta nı sal iş lem ler ise kli nik bul gu la ra gö re is ten di. A Am m...