<p>Eustachian tube dysfunction (ETD) is commonly observed in patients with chronic rhinosinusitis (CRS), which can significantly impact middle ear pressure and hearing. Functional Endoscopic Sinus Surgery (FESS) has been reported to improve both sinus function and Eustachian tube dysfunction, thereby improving hearing. This study aims to evaluate the preoperative and postoperative hearing threshold and tympanograms in CRS patients undergoing FESS, assessing the surgical impact on hearing and Eustachian tube function. Prospective study was conducted at the Department of Otorhinolaryngology for a span of one year from March 2023 to March 2024, where in total of 30 patients aged between 18–50&#xa0;years with a confirmed diagnosis of CRS based on clinical examination, Diagnostic Nasal Endoscopy (DNE), and Non-Contrast Comuted Tomography (NCCT) of the nose and paranasal sinuses were included. All patients diagnosed with CRS and scheduled to undergo functional endoscopic sinus surgery (FESS) underwent a preoperative audiological assessment 2&#xa0;weeks prior to surgery, which included Pure Tone Audiometry (PTA) and impedance audiometry. Following surgery, patients were re-evaluated one month postoperatively using the same audiological tests (PTA and impedance audiometry). Preoperative and postoperative audiological findings were then compared, and appropriate statistical analysis was conducted to assess the significance of any changes observed. Preoperative PTA revealed conductive hearing loss in 21 out of 60 ears (35%), with the majority being mild in severity. Postoperatively, only 4 ears (6.66%) exhibited conductive hearing loss, showing significant improvement. Tympanometry showed that preoperative normal (Type A) tympanograms were present in 68.33% of ears, increasing to 92% postoperatively. Abnormal tympanograms (Type B &amp; C) reduced from 31.66% to 8% postoperatively showing significant improvement after FESS. The study confirmed that CRS leads to significant Eustachian tube dysfunction, which contributes to conductive hearing loss. Postoperative improvements in hearing and tympanometric findings underscore the effectiveness of FESS in restoring normal sinus and middle ear function. In this study, the improvement in tympanograms following FESS aligns with findings from previous studies and highlights the role of surgery in resolving middle ear pressure imbalances caused by CRS.</p>

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A Study to Determine the Effects of Functional Endoscopic Sinus Surgery on Audiological Outcomes in Chronic Rhinosinusitis Patients

  • Chetna Sharma,
  • G. P. S. Gill,
  • Ravneet Kaur,
  • Diksha Diksha,
  • Dawood Agoo,
  • Sudhir Kumar

摘要

Eustachian tube dysfunction (ETD) is commonly observed in patients with chronic rhinosinusitis (CRS), which can significantly impact middle ear pressure and hearing. Functional Endoscopic Sinus Surgery (FESS) has been reported to improve both sinus function and Eustachian tube dysfunction, thereby improving hearing. This study aims to evaluate the preoperative and postoperative hearing threshold and tympanograms in CRS patients undergoing FESS, assessing the surgical impact on hearing and Eustachian tube function. Prospective study was conducted at the Department of Otorhinolaryngology for a span of one year from March 2023 to March 2024, where in total of 30 patients aged between 18–50 years with a confirmed diagnosis of CRS based on clinical examination, Diagnostic Nasal Endoscopy (DNE), and Non-Contrast Comuted Tomography (NCCT) of the nose and paranasal sinuses were included. All patients diagnosed with CRS and scheduled to undergo functional endoscopic sinus surgery (FESS) underwent a preoperative audiological assessment 2 weeks prior to surgery, which included Pure Tone Audiometry (PTA) and impedance audiometry. Following surgery, patients were re-evaluated one month postoperatively using the same audiological tests (PTA and impedance audiometry). Preoperative and postoperative audiological findings were then compared, and appropriate statistical analysis was conducted to assess the significance of any changes observed. Preoperative PTA revealed conductive hearing loss in 21 out of 60 ears (35%), with the majority being mild in severity. Postoperatively, only 4 ears (6.66%) exhibited conductive hearing loss, showing significant improvement. Tympanometry showed that preoperative normal (Type A) tympanograms were present in 68.33% of ears, increasing to 92% postoperatively. Abnormal tympanograms (Type B & C) reduced from 31.66% to 8% postoperatively showing significant improvement after FESS. The study confirmed that CRS leads to significant Eustachian tube dysfunction, which contributes to conductive hearing loss. Postoperative improvements in hearing and tympanometric findings underscore the effectiveness of FESS in restoring normal sinus and middle ear function. In this study, the improvement in tympanograms following FESS aligns with findings from previous studies and highlights the role of surgery in resolving middle ear pressure imbalances caused by CRS.