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Abstract
Introduction: Chronic rhinosinusitis (CRS) is a prevalent inflammatory condition, and type 2 diabetes mellitus (T2DM) is a known comorbidity that can exacerbate inflammatory processes. This study aimed to investigate the impact of uncontrolled T2DM on CRS severity and treatment outcomes in a cohort of patients in Bandung, Indonesia.
Methods: A prospective cohort study was conducted at a private hospital in Bandung, Indonesia, from January 2020 to December 2022. Adult patients diagnosed with CRS (with or without nasal polyps) were enrolled and categorized into two groups: controlled T2DM (HbA1c ≤ 7%) and uncontrolled T2DM (HbA1c > 7%). CRS severity was assessed using the Sino-Nasal Outcome Test-22 (SNOT-22) and Lund-Mackay CT scoring. Treatment outcomes were evaluated at 3, 6, and 12 months post-initial treatment (medical and/or surgical) based on SNOT-22 scores, endoscopic findings, and the need for revision surgery.
Results: A total of 240 patients were included (120 with controlled T2DM, 120 with uncontrolled T2DM). At baseline, the uncontrolled T2DM group had significantly higher mean SNOT-22 scores (58.5 ± 12.3 vs. 45.2 ± 10.1, p < 0.001) and Lund-Mackay CT scores (11.8 ± 3.5 vs. 8.2 ± 2.8, p < 0.001) compared to the controlled T2DM group. At 12 months, the uncontrolled T2DM group showed significantly less improvement in SNOT-22 scores (mean change: -15.4 ± 8.7 vs. -28.3 ± 9.2, p < 0.001) and a higher rate of revision surgery (18.3% vs. 5.8%, p = 0.002). Multivariate analysis revealed that uncontrolled T2DM (HbA1c > 7%) was an independent predictor of poorer treatment outcomes (OR: 3.45, 95% CI: 1.98-6.01, p < 0.001).
Conclusion: Uncontrolled T2DM is associated with increased CRS severity and significantly poorer treatment outcomes in patients in Bandung, Indonesia. Effective glycemic control should be a crucial component of CRS management in patients with T2DM.
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Sriwijaya Journal of Internal Medicine (SJIM) allow the author(s) to hold the copyright without restrictions and allow the author(s) to retain publishing rights without restrictions, also the owner of the commercial rights to the article is the author.
