IntroductionNasal obstruction has multiple causes requiring specialist endoscopy for diagnosis. A rule-based expert system (RB-ES), which applies five “if–then” rules based on nasal features, may help replicate ENT decision-making in settings with limited access.Objectives & HypothesesThis study evaluated RB-ES in diagnosing allergic rhinitis, chronic rhinosinusitis with (CRSwNP) and without (CRSsNP) nasal polyps, and deviated nasal septum. Primary outcomes were sensitivity and specificity; the secondary outcome was agreement with ENT specialists.Study DesignProspective cohort study.MethodsSeventy-one participants (65 patients, 6 controls) underwent pre- and postdecongestion endoscopy. Four ENT specialists provided diagnoses. RB-ES performance was compared against confirmed clinical diagnoses.ResultsRB-ES showed no detectable significant sensitivity differences from ENT specialists (allp > 0.05). Sensitivity was highest for CRSwNP; specificity remained high overall.ConclusionRB-ES matched specialist performance in CRSwNP diagnosis. Dataset expansion and artificial intelligence integration are recommended for further validation.Level of EvidenceII.

The era of value-based health care is characterized by an increasing interest in patient-reported health outcomes. For this purpose we developed the rhinoplasty health care monitor (RHM), a streamlined outcome measurement protocol, including all rhinoplasty patients since 2014. Statistical analyses of patient-reported outcome data are automated and visually presented on a custom web-based dashboard. We describe the clinical and practical benefits of the RHM and discuss how routine prospective outcome measurements have upgraded our care standards. For this prospective study, 979 consecutive patients referred for functional (revision) rhinoplasty from April 2014 to August 2023 were included. Preoperative and 3- and 12-month postoperative scores on the Nasal Obstruction Symptom Evaluation scale (NOSE), Utrecht Questionnaire (UQ), and visual analog scales (VAS) were obtained. Of 979 referred patients, 599 (61.2%) were eligible for rhinoplasty. One year postoperatively, mean NOSE scale sum score improved from 69.1 ± 22.8 to 23.1 ± 23.5 (<i>p</i> < 0.001). Functional VAS scores improved from 4.1 ± 2.8 (left) and 4.1 ± 2.8 (right) to 7.5 ± 1.9 (left) and 7.3 ± 2.0 (right; <i>p</i> < 0.001). Mean UQ sum score improved from 12.0 ± 6.4 to 6.8 ± 3.3 and aesthetic VAS score improved from 4.5 ± 2.5 to 7.4 ± 1.7 (<i>p</i> < 0.001) 1 year postoperatively. Benefits of the outcome routine were improved patient selection, data-driven expectation management and patient empowerment, and targeted critical appraisals of surgical performance. In conclusion, routine, automated, prospective outcome monitoring provides physicians with a response to the increasing demand for data-driven insights in health outcomes. The limited effort that is needed to gather and monitor outcome data is heavily repaid by valuable insights into aspects of care that can be improved.