Uticaj operacije katarakte na vrednost intraokularnog pritiska / The effect of cataract surgery on the level of intraocular pressure

Description

<p>Katarakta i glaukom su po svom toku hronične i progresivne bolesti koji predstavljaju dva vodeća uzroka slepila u svetu. Obe bolesti su karakteristične za stariju životnu dob i često se sreću zajedno kod iste osobe. Katarakta podrazumeva hirur&scaron;ko lečenja, dok se lečenje glaukoma zasniva na snižavanju visine intraokularnog pritiska (IOP), medikamentoznim i hirur&scaron;kim sredstvima. Cilj ovog istraživanja bio je da se utvrdi da li i u kojoj meri dolazi promene IOP-a i dubine prednje komore oka (ACD) nakon operacije katarakte, da li su preoperativne vrednosti IOP-a i ACD povezane sa postoperativnom visinom IOP-a i da li postoje razlike u ovim pojavama kod osoba operisanih od katarakte sa i bez prisutnog primarnog glaukoma otvorenog ugla (POAG). Rezultati ove studije pokazuju da postoji statistički značajno sniženje IOP-a 6 meseci nakon operacije katarakte. U poređenju sa preoperativnim vrednostima, ono iznosi prosečno 1,2 mmHg (7,5%) u grupi pacijenata bez POAG i 1,24 mmHg (6,49%) u grupi pacijenata sa POAG. Između dve grupe pacijenata nije postojala razlika u stepenu sniženja (p&gt;0,05). Ustanovljen je statistički značajano veći (p&lt;0,05) porast dubine ACD u grupi pacijenata sa POAG (1,03 mm; 34,8%) u odnosu pacijente bez glaukomske bolesti (0,92 mm; 30,37%). Rezultati korelacione analize, kao i regresionih univarijantih i multivarijantnih modela, pokazali su da statistički značajna povezanost postoji između preoperativne visine IOP-a i njegovog sniženja nakon operacije katarakte. Povezanost je bila pozitivnog smera i nije se uočena značajna razlika između obe grupe pacijenata. Ustanovljena je i pozitiva korelacija, bez statistički značajne razlike u obe grupe pacijenata, između PD indeksa (odnos preoperativnog IOP-a i ACD) i promene IOP-a nakon operacije katarakte. Preoperativna dubina prednje komore oka nije ispoljila povezanost sa postoperativnom promenom IOP-a. Na&scaron;a studija je pokazala statistički značajno postoperativno sniženje IOP-a i povećanje dubine ACD nakon operacije katarakte, koja se održava &scaron;est meseci nakon operacije katarakte. Nije ustanovljena razlika u redukciji IOP-a između pacijenata sa i bez POAG. Ustanovljena je pozitivna korelacija preoperativne visine IOP-a i PD indeksa sa postoperativnom promenom IOP-a, &scaron;to može biti od koristi prilikom odluke o optimalnom lečenju katarakte kod pacijenata sa POAG.</p> / <p>Cataract and glaucoma are chronic and progressive diseases and they are two of the leading causes of blindness wold wide. Both diseases are typical for an older age and often coincide within the same person. Treatment of cataract is surgical, while glaucoma treatment is based on lowering the level of intraocular pressure (IOP) with various medical and surgical options. The aims of this research were to determine whether there is a change in IOP and in the depth of anterior chamber of the eye (ACD) after cataract surgery, whether preoperative values of IOP and ACD are related to postoperative IOP values and to determine if there are differences in these events between people operated from cataract with or without primary open angle glaucoma (POAG). Results of this study show that there is a statistically significant decrease of IOP six months after cataract surgery. Comparing with preoperative values, it was found to be 1.2 mmHg (7.5%) in group of patients without POAG, and 1.24 mmHg (6.49%) in patients with POAG. There was no statistically significant difference found between two groups of patients (p&lt;0.05). Group of patients with POAG had significantly higher (p&lt;0.05) deepening of ACD (1.03 mm; 34.8%), in comparison with patients with no glaucoma (0.92 mm; 30.37%). Results of correlation analysis, as well as univariate and multivariate regression models, have shown significant correlation of preoperative IOP and its reduction after cataract surgery. Correlation was of positive direction with no statistically significant differences among two groups of patients. There was a positive correlation found, with no statistically significant differences in both groups of patients, between PD index (ratio of preoperative IOP and ACD) and IOP change after cataract surgery. Preoperative anterior chamber depth has shown no correlation with postoperativeIOP change. Our study showed statisticallysignificant postoperative reduction ofIOP and deepening of ACD, lasting for six months aftercataract surgery. No difference inpostoperativeIOP decrease has been detected betweenpatients with or without POAG. A positivecorrelation of preoperativeIOP height and PDindex with postoperativeIOP change has beenestablished, which mayprove usefulfordecision of optimal treatmentof cataract among POAG patients.</p>

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1. https://www.cris.uns.ac.rs/DownloadFileServlet/Disertacija146780699540627.pdf?controlNumber=(BISIS)101425&fileName=146780699540627.pdf&id=6301&source=NDLTD&language=en
2. https://www.cris.uns.ac.rs/record.jsf?recordId=101425&source=NDLTD&language=en

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Identifer	oai:union.ndltd.org:uns.ac.rs/oai:CRISUNS:(BISIS)101425
Date	23 September 2016
Creators	Barišić Sava
Contributors	Čanadanović Vladimir, Babić Nikola, Veselinović Dragan, Jovanović Sandra, Miljković Aleksandar, Grković Desanka
Publisher	Univerzitet u Novom Sadu, Medicinski fakultet u Novom Sadu, University of Novi Sad, Faculty of Medicine at Novi Sad
Source Sets	University of Novi Sad
Language	Serbian
Detected Language	Unknown
Type	PhD thesis