Background: Patients with isolated anastomotic lesions (iAL) are common in postoperative Crohn's disease (CD) and have heterogeneous prognosis.
Objectives: To investigate the prognostic value of neutrophil-to-lymphocyte ratio (NLR) in CD patients with iAL.
Design: A bicenter retrospective cohort study.
Methods: CD patients who received ileocolonic resection from 2013 and 2020 and had a modified Rutgeerts score of i2a were recruited. NLR was determined within 1 week around the initial endoscopy after ileocolectomy. The primary outcome was clinical recurrence. Kaplan-Meier method and Cox hazard regression analysis were utilized to assess the association between candidate variables and outcomes of interest.
Results: In total, 411 postoperative CD patients were preliminarily reviewed and 83 patients were eligible. In total, 36 (48.6%) patients experienced clinical recurrence with a median follow-up time of 16.3 (interquartile range, 9.7-26.3) months. NLR > 2.45 and age at surgery >45 years had higher cumulative incidence of clinical recurrence in the Kaplan-Meier analysis. After adjusted for potential confounders, NLR > 2.45 was the only independent risk factor for clinical recurrence, with an adjusted hazard ratio (HR) of 2.88 [95% confidence interval (CI), 1.39-6.00; = 0.005]. Furthermore, a risk score based on NLR and age at surgery were built to further stratify patients. Compared to those who scored 0, patients with a score of 1 and 2 had an adjusted HR of 2.48 (95% CI, 1.22-5.02) and 6.97 (95% CI, 2.19-22.16) for developing clinical recurrence, respectively.
Conclusions: NLR is a promising prognostic biomarker for CD patients with iAL. The utilization of NLR and the risk score to stratify patients may facilitate the personalized management in patients with iAL.
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| http://dx.doi.org/10.1177/17562848231165129 | DOI Listing |
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