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Title:Beljakovinski označevalci vnetja v kliničnem točkovnem sistemu tveganja, ki napoveduje preživetje pri bolnikih po resekciji jetrnih zasevkov raka debelega črevesa in danke
Authors:ID Plahuta, Irena (Author)
ID Ivánecz, Árpád (Mentor) More about this mentor... New window
Files:.pdf DOK_Plahuta_Irena_2024.pdf (2,14 MB)
MD5: 4B556F72E7205A3929B92F13E473551A
 
Language:Slovenian
Work type:Dissertation
Typology:2.08 - Doctoral Dissertation
Organization:MF - Faculty of Medicine
Abstract:Izhodišča: Jetrni zasevki raka debelega črevesa in danke so še vedno terapevtski izziv. Poleg zamejitve bolezni in njene resektabilnosti nam pri izboru bolnikov lahko pomagajo klinični točkovni sistemi tveganja. Manjkajoči dejavniki preprečijo uporabo teh sistemov ali onemogočajo njihovo presojo. Liverpoolski točkovnik vsebuje sistemski vnetni odziv, izražen kot razmerje med nevtrofilci in limfociti. Namen raziskave je bil ugotoviti, ali lahko to razmerje nadomestimo z beljakovinskimi označevalci vnetja in dosežemo prognostično veljavnost prilagojenega modela. Materiali in metode: Retrospektivna klinična raziskava je zajela 371 bolnikov, ki so imeli v letih 2000–2020 prvo resekcijo jetrnih zasevkov raka debelega črevesa in danke. Šest dejavnikov preživetja iz Liverpoolskega točkovnika in tri kandidatne beljakovinske označevalce (C-reaktivni protein, albumin in fibrinogen) smo razvrstili z analizo preživetja po Kaplan-Meierju, integralom Is ter Coxovo uni- in multivariatno regresijsko analizo. Nato smo oblikovali končni Coxov multivariatni regresijski model in z metodo po Kaplan-Meierju izračunali preživetje. Rezultati: C-reaktivni protein je po vseh štirih metodah razvrščanja na tretjem mestu med devetimi dejavniki preživetja, ima visoko napovedno vrednost in je stabilen v multivariatnih modelih. Povprečno celokupno preživetje bolnikov s povišano vrednostjo C-reaktivnega proteina je krajše za 21,6 meseca. V končnem modelu znaša mediano celokupno preživetje bolnikov 40 mesecev. Mediano celokupno preživetje bolnikov v skupini z nizkim tveganjem je 54 mesecev, v skupini z visokim tveganjem pa 31 mesecev. Zaključek: C-reaktivni protein lahko nadomesti razmerje med nevtrofilci in limfociti v raziskavah potrjevanja kliničnega točkovnega sistema tveganja, ki napoveduje preživetje bolnikov po resekciji jetrnih zasevkov raka debelega črevesa in danke.
Keywords:Rak debelega črevesa in danke, jetrni zasevki, vnetni odziv, preživetje, razvrščanje
Place of publishing:Maribor
Publisher:I. Plahuta]
Year of publishing:2024
PID:20.500.12556/DKUM-86480 New window
UDC:616.3-006-089(043.3)
COBISS.SI-ID:195579395 New window
Publication date in DKUM:17.05.2024
Views:576
Downloads:77
Metadata:XML DC-XML DC-RDF
Categories:MF
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Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:05.12.2023

Secondary language

Language:English
Title:Proteinaceous inflammatory markers in clinical score predicting survival in patients undergoing liver resection of colorectal metastases
Abstract:Background: Colorectal liver metastases are a therapeutic issue. Along with staging and resectability of the disease, clinical risk scoring systems can guide patient selection. Absent factors prevent the use of these systems or make their assessment impossible. The Liverpool score includes the systemic inflammatory response expressed as the neutrophil–lymphocyte ratio. The research aimed to determine whether this ratio can be replaced by proteinaceous inflammatory markers to achieve a prognostic validity of the adjusted model. Materials and methods: A retrospective clinical study included 371 patients who underwent their first liver resection for colorectal metastases between 2000 and 2020. Six survival factors from the Liverpool score and three candidate proteinaceous markers (C-reactive protein, albumin, and fibrinogen) were ranked by the Kaplan-Meier survival analysis, the integral I_S, and Cox univariate and multivariate regression analyses. The final Cox multivariate regression model was designed, and survival was calculated using the Kaplan-Meier method. Results: C-reactive protein ranks third among nine survival factors according to all four ranking methods, has a high predictive value, and is stable in multivariate models. The mean overall survival of patients with elevated C-reactive protein is 21.6 months shorter. In the final model, the median overall survival is 40 months. The median overall survival of patients in the low-risk group is 54 months, and 31 months in the high-risk group. Conclusion: C-reactive protein can replace the neutrophil–lymphocyte ratio in validation studies of a clinical risk scoring system that predicts survival after resection of colorectal liver metastases.
Keywords:Colorectal cancer, liver metastasis, inflammatory response, survival analysis, ranking


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