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KMID : 0988920180160010062
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Intestinal Research
2018 Volume.16 No. 1 p.62 ~ p.68
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Comparison of time until elective intestinal resection regarding previous anti-tumor necrosis factor exposure: a Brazilian study on patients with Crohn's disease
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Kotze Paulo Gustavo
Magro Daniela Oliveira
Saab Barbara
Saab Mansur Paulo
Pinheiro Lilian Vital
Olandoski Marcia
De Lourdes Setsuko Ayrizono Maria
Martinez Carlos Augusto Real
Coy Claudio Saddy Rodrigues
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Abstract
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Background/Aims: The use of anti-tumor necrosis factor (anti-TNF) agents seems to reduce surgical rates and delay surgical procedures in prospective trials and population-based studies in the management of Crohn's disease (CD). This study aimed to identify whether preoperative anti-TNF agents influence the time from diagnosis to surgery.
Methods: An observational retrospective cohort study was conducted on patients with CD submitted to intestinal resections due to complications or medical therapy failure in a period of 7 years. The patients were allocated into 2 groups according to their previous exposure to anti-TNF agents in the preoperative period. Epidemiological aspects regarding age at diagnosis, smoking, perianal disease, and preoperative conventional therapy were considered. A Kaplan-Meier survival analysis was used to outline possible differences between the groups regarding the time to surgery.
Results: A total of 123 patients were included (71 and 52 with and without previous exposure to biologics, respectively). The overall time to surgery was 108±6.9 months (maximum, 276 months). The survival estimation revealed no difference in the mean time to intestinal resection between the groups (99.78±10.62 months in the patients without and 114.01±9.07 months in those with previous anti-TNF use) (log-rank P=0.35). There was no significant difference in the time to surgery regarding perianal CD (P=0.49), smoking (P=0.63), preoperative azathioprine (P=0.073) and steroid use (P=0.58).
Conclusions: The time from diagnosis to surgery was not influenced by the preoperative use of anti-TNF therapy in this cohort of patients.
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KEYWORD
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Crohn disease, Tumor necrosis factor-alpha, Surgical procedures, operative, Survival analysis
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