| Summary: | Background: The rapid development of endoscopic endonasal surgery has made the procedure widely used in nasal and sinus surgery. Endoscopic endonasal surgery is a minimally invasive procedure, but the possibility of postoperative damage to the sinonasal mucosa cannot be ruled out. The aim of this study was to analyze the difference in the length of postoperative care between complex and simple endoscopic endonasal surgeries which can be used as a reference in planning postoperative care. Methods: This was a retrospective cross-sectional observational study. The participants were divided into two groups, i.e., simple, and complex surgical procedures groups. The simple procedure group consisted of middle meatal anstrostomy, frontal sinusotomy, sphenoidectomy, uncinectomy, endoscopic septoplasty, and endoscopic turbinoplasty. The complex procedure group included pansinus surgery and or at least total ethmoidectomy. The length of postoperative care between the two groups were measured and analyzed using the Chi-square test. Results: The median length of care in the complex procedure group was significantly longer than that in the simple procedure group (p = 0.028), 12 weeks and 9 weeks, respectively. The number of postoperative outpatient visits was significantly less in the simple procedure group compared with the complex procedure group (Median 4 vs. 5; p=0.015). There was a significant correlation between length of care and the endonasal endoscopic surgical procedure group (p = 0.023). Conclusions: The complex endoscopic endonasal surgery group required a longer length of care and more postoperative outpatient visit than the simple procedure group.
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