Annals of Otology Rhinology and Laryngology最新文献

{"title":"A Systematic Review of Surgical Characteristics and Adverse Events of an Active, Transcutaneous Bone Conduction Device.","authors":"Alma Jukic, Christopher C Munhall, Shawn M Stevens","doi":"10.1177/00034894241283269","DOIUrl":"https://doi.org/10.1177/00034894241283269","url":null,"abstract":"<p><strong>Objective: </strong>A new, active transcutaneous bone conduction device (BCD) was FDA-approved in 2019 in the USA. This systematic review sought to evaluate early outcomes associated with Osia implantation.</p><p><strong>Methods: </strong>A systematic review was conducted according to Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) guidelines. Four databases were reviewed: PubMed, Scopus, Cochrane CENTRAL, and CINAHL. Studies were included if they described audiometric, surgical characteristics/complications, or adverse events associated with the Osia BCD. Exclusion criteria: non-English language studies, animal investigations, reviews/meta-analyses, case reports, database studies.</p><p><strong>Results: </strong>Eighteen studies with 336 patients were included. Mean age at implantation was 37.9 years. About 79.5% of patients had MHL/CHL and 19.5% had SSD/SHL. Mean operative time was 71.6 minutes. Mean PTA gain from unaided conditions was 35.4 dB. Mean functional gain at high frequency (6 kHz and above) from aided conditions was 16.1 dB. Mean improvement in speech recognition thresholds was 19.1 dB from unaided conditions. Adverse events (all types) were reported in 20.1% of cases. Across all studies, the postoperative infection rate was 5%. About 2% of patients reported magnet retention issues. About 1.65% of cases were complicated by hematomas.</p><p><strong>Conclusions: </strong>Under systematic literature review, the Osia BCD has been associated with low complication rates, relatively short operative times, and good audiometric and speech outcomes, notably high frequency gain >6 kHz. More advanced audiometric outcome reporting remains limited and audiometric data and patient reported outcome measures were reported heterogeneously.</p>","PeriodicalId":50975,"journal":{"name":"Annals of Otology Rhinology and Laryngology","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142300150","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Management of a Piriform Sinus Fistula With Chronic Neck Infection in an Adult.","authors":"Alexandra McMillan, Stephanie Chen, Xiaoyang Hua","doi":"10.1177/00034894241280693","DOIUrl":"https://doi.org/10.1177/00034894241280693","url":null,"abstract":"<p><strong>Objectives: </strong>A pyriform sinus fistula (PSF) is a rare congenital anomaly due to failed obliteration of the third or fourth pharyngeal pouch. Diagnosis and management of PSF remains controversial. We present a case of PSF and discuss its diagnosis and management.</p><p><strong>Methods: </strong>Case report and literature review.</p><p><strong>Results: </strong>A 26-year-old female with a chronic left lateral neck abscess was diagnosed with a left PSF. She underwent surgery through a combined approach to close the openings of the PSF, internally and externally. We first placed a blunted ET tube into the internal opening of the PSF. We then performed an external transcervical approach to close the PSF at the cricothyroid membrane. Briefly, after a neck debridement and washout of the chronic neck infection, we identified the recurrent laryngeal nerve (RLN) in Lore's triangle. We performed left hemithyroidectomy to facilitate the dissection and protection of the RLN to its entrance into the larynx. A flexible laryngoscope was then inserted into the left piriform sinus through the ET tube to guide external dissection by transillumination. The scar tissue attached to the superior pole of the left thyroid lobe was then ligated and divided along the cricothyroid membrane. Lastly, we cauterized the internal opening of the PSF. The patient has remained recurrence-free for 1.5 years with normal vocal cord mobility. Histopathology revealed presence of a squamous-lined tract adjacent to the thyroid tissue.</p><p><strong>Conclusions: </strong>Surgical treatment for patients with PSF should be aimed at closing the internal and external openings of the PSF, debriding chronic neck infection, and protecting the laryngeal nerves, instead of removing the entire tract. A concurrent hemithyroidectomy facilitates the identification and protection of the RLN, as well as excision of the tract. Differentiation between third and fourth branchial cleft fistulae may not be clinically necessary, as it is unlikely to alter the therapeutic plan.</p>","PeriodicalId":50975,"journal":{"name":"Annals of Otology Rhinology and Laryngology","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142300163","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Mucocutaneous Leishmaniasis Rhinology Complications: A Rare Presentation.","authors":"Sujay Ratna, Shaun Edalati, Mohamed Darwish, Mingyang Gray, Alfred Marc Iloreta","doi":"10.1177/00034894241258859","DOIUrl":"10.1177/00034894241258859","url":null,"abstract":"<p><strong>Objective: </strong>This case report presents a unique manifestation of Mucocutaneous Leishmaniasis (MCL) in a 56-year-old woman with chronic nasal symptoms. Initially diagnosed with chronic sinusitis and septal perforation, the patient's history of a childhood sandfly bite and subsequent episodes of Leishmaniasis, revealed after nasal surgery, provided crucial information for accurate diagnosis.</p><p><strong>Methods: </strong>A retrospective review was conducted on this patient's electronic medical record.</p><p><strong>Results: </strong>The patient's life-long struggle with nasal obstruction, congestion, and a septal perforation initially masked the underlying MCL. Sinus surgery and persistent symptoms further complicated the diagnostic process. Only after postoperative complications, including grainy skin texture extending into the nasal passages, did the patient recall the sandfly bite, prompting reevaluation and diagnosis of MCL. The case highlights the challenges of diagnosing MCL due to its varied presentation and potential mimicry of other chronic nasal conditions. It emphasizes the importance of thorough patient history-taking, especially when symptoms are atypical or persistent. Additionally, the report underscores the potential for unexpected postoperative complications in MCL patients and the need for vigilance in recognizing and assessing them.</p><p><strong>Conclusion: </strong>This case contributes to the understanding of MCL's diverse clinical presentation and the importance of early diagnosis and multidisciplinary management for prompt intervention and improved outcomes.</p>","PeriodicalId":50975,"journal":{"name":"Annals of Otology Rhinology and Laryngology","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141263235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clarifying the Diagnosis and Management of Acute Uncomplicated Pediatric Mastoiditis.","authors":"Antoinette R Esce, Samantha A Trujillo, Karen A Hawley","doi":"10.1177/00034894241261272","DOIUrl":"10.1177/00034894241261272","url":null,"abstract":"<p><strong>Introduction: </strong>Acute pediatric mastoiditis is a bacterial infection of the mastoid bone most commonly associated with acute otitis media. Complicated mastoiditis is traditionally characterized by intracranial complications or subperiosteal abscess, but definitions are inconsistent in the literature. Surgical intervention is identified as the main treatment for complicated mastoiditis, but there is some evidence to support medical management of uncomplicated mastoiditis. This study sought to clarify the diagnostic criteria and management of uncomplicated acute mastoiditis.</p><p><strong>Methods: </strong>All cases of acute pediatric mastoiditis were identified from a single institution over a 16-year period and reviewed for demographic and clinical data. Two different definitions of uncomplicated mastoiditis were compared; the traditional one that excluded patients with intracranial complications or subperiosteal abscess (SPA) and the proposed definition that also excluded patients with any evidence of bony erosion including coalescence, not just SPA. Univariate and multivariate analysis was conducted.</p><p><strong>Results: </strong>Eighty cases were identified. Using the traditional definition of uncomplicated mastoiditis, 46.3% of cases were uncomplicated, compared to 36.2% when using the proposed definition. Truly uncomplicated patients, categorized with the proposed definition, were treated more consistently: no patients underwent mastoidectomy and they were less likely to receive a long term course of antibiotics. On multivariate regression analysis, only categorization with the proposed definition of uncomplicated mastoiditis was independently associated with less long-term antibiotic therapy and non-surgical management.</p><p><strong>Conclusion: </strong>Uncomplicated acute mastoiditis should be defined using clinical criteria and exclude any cases with evidence of bony erosion, including coalescence or subperiosteal abscess. These truly uncomplicated patients often do not require mastoidectomy and can be prescribed a shorter course of antibiotics. Further research into treatment pathways is necessary to optimize the management of uncomplicated acute pediatric mastoiditis.</p>","PeriodicalId":50975,"journal":{"name":"Annals of Otology Rhinology and Laryngology","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141318924","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A Training Course for Simulating Head and Neck Ultrasound-Guided Procedures Using a Gelatin Phantom Model.","authors":"Ping-Chia Cheng, Wu-Chia Lo, Chih-Ming Chang, Ming-Hsun Wen, Li-Jen Liao","doi":"10.1177/00034894241262113","DOIUrl":"10.1177/00034894241262113","url":null,"abstract":"<p><strong>Objectives: </strong>Ultrasound (US)-guided procedures can be used in the evaluation and treatment of neck masses. However, these procedures need to be practiced before being executed on humans. The aim of this study is to evaluate the efficacy of a training program using a gelatin phantom to practice US-guided procedures.</p><p><strong>Methods: </strong>This program included a lecture and practice with a gelatin phantom. We recruited doctors from different hospitals to practice US-guided procedures, including fine-needle aspiration (FNA), core needle biopsy (CNB), percutaneous ethanol injection (PEI), and radiofrequency ablation (RFA). We used a questionnaire with a 5-point scale to evaluate the effectiveness of practicing US-guided procedures under a gelatin phantom.</p><p><strong>Results: </strong>Forty-four doctors participated, and 37 of them completed the questionnaires. After training, the mean (SD) scores of the doctors were 4.68 (0.47) for \"Satisfaction with this course,\" 4.54 (0.61) for \"Ease in practicing FNA&CNB using the phantom,\" 4.49 (0.61) for \"Ease in practicing PEI using the phantom,\" 4.49 (0.65) for \"Ease in practicing RFA using the phantom,\" and 4.57 (0.55) for \"The course effectively familiarizing participants with US-guided procedures.\" Participants without experience in US examination had higher scores than those with previous US experience, but the difference was not statistically significant.</p><p><strong>Conclusion: </strong>A combination of lectures and hands-on practice of US-guided procedures using a gelatin phantom is an effective educational method for doctors interested in head and neck US. After the training program, doctors gained a better understanding of the necessary steps and skills required for these procedures. They can correctly insert the instruments into the target lesion and perform different US-guided procedures.</p>","PeriodicalId":50975,"journal":{"name":"Annals of Otology Rhinology and Laryngology","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141428213","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluating the Accuracy of ChatGPT in Common Patient Questions Regarding HPV+ Oropharyngeal Carcinoma.","authors":"Nikhil Bellamkonda, Janice L Farlow, Catherine T Haring, Michael W Sim, Nolan B Seim, Richard B Cannon, Marcus M Monroe, Amit Agrawal, James W Rocco, Hilary C McCrary","doi":"10.1177/00034894241259137","DOIUrl":"10.1177/00034894241259137","url":null,"abstract":"<p><strong>Objectives: </strong>Large language model (LLM)-based chatbots such as ChatGPT have been publicly available and increasingly utilized by the general public since late 2022. This study sought to investigate ChatGPT responses to common patient questions regarding Human Papilloma Virus (HPV) positive oropharyngeal cancer (OPC).</p><p><strong>Methods: </strong>This was a prospective, multi-institutional study, with data collected from high volume institutions that perform >50 transoral robotic surgery cases per year. The 100 most recent discussion threads including the term \"HPV\" on the American Cancer Society's Cancer Survivors Network's Head and Neck Cancer public discussion board were reviewed. The 11 most common questions were serially queried to ChatGPT 3.5; answers were recorded. A survey was distributed to fellowship trained head and neck oncologic surgeons at 3 institutions to evaluate the responses.</p><p><strong>Results: </strong>A total of 8 surgeons participated in the study. For questions regarding HPV contraction and transmission, ChatGPT answers were scored as clinically accurate and aligned with consensus in the head and neck surgical oncology community 84.4% and 90.6% of the time, respectively. For questions involving treatment of HPV+ OPC, ChatGPT was clinically accurate and aligned with consensus 87.5% and 91.7% of the time, respectively. For questions regarding the HPV vaccine, ChatGPT was clinically accurate and aligned with consensus 62.5% and 75% of the time, respectively. When asked about circulating tumor DNA testing, only 12.5% of surgeons thought responses were accurate or consistent with consensus.</p><p><strong>Conclusion: </strong>ChatGPT 3.5 performed poorly with questions involving evolving therapies and diagnostics-thus, caution should be used when using a platform like ChatGPT 3.5 to assess use of advanced technology. Patients should be counseled on the importance of consulting their surgeons to receive accurate and up to date recommendations, and use LLM's to augment their understanding of these important health-related topics.</p>","PeriodicalId":50975,"journal":{"name":"Annals of Otology Rhinology and Laryngology","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141794053","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparative Analysis of Nebulized Versus Intravenous Fentanyl for Pain Control After Tonsillectomy: A Double-Blind, Randomized, Controlled Trial.","authors":"Chanitda Pantabtim, Saowapark Chumpathong, Phongthara Vichitvejpaisal, Wilawan Limsettho, Peerachatra Mangmeesri","doi":"10.1177/00034894241259376","DOIUrl":"10.1177/00034894241259376","url":null,"abstract":"<p><strong>Objectives: </strong>Effective posttonsillectomy analgesia is crucial for patient comfort and recovery. Fentanyl, notable for its potency, rapid action, and lipophilicity, has been successfully used in various procedures through multiple administration routes. However, the use of its nebulized form for posttonsillectomy pain has not been extensively explored. This study sought to compare the analgesic efficacy, onset time, and complications between nebulized and intravenous fentanyl in posttonsillectomy patients.</p><p><strong>Methods and methods: </strong>In this randomized controlled trial, adult patients who underwent tonsillectomy were assigned to either an intravenous fentanyl group (1 mcg/kg) or a nebulized fentanyl group (4 mcg/kg). In both groups, fentanyl was administered when pain scores exceeded three. Pain levels were monitored every 5 minutes until they fell below four. The study also recorded the duration until the next analgesia request and noted complications (such as respiratory depression, bradycardia, chest tightness, drowsiness, nausea, pruritus, sweating, and flushing) within 24 hours. Patient exclusions were based on predetermined criteria.</p><p><strong>Results: </strong>From an initial cohort of 59 patients, 22 in the intravenous group and 27 in the nebulizer group were eligible for analysis after applying the exclusion criteria. The nebulizer group exhibited a significantly prolonged period before the next analgesia request, with a median of 683.5 minutes (interquartile range 260-1440), in contrast to the 326.7 minutes (145.0-504.7) observed in the intravenous group (<i>P</i> = .009). The time to achieve a pain score less than 4 and the incidence of side effects did not differ significantly between the groups.</p><p><strong>Conclusion: </strong>Nebulized fentanyl provided a longer duration of analgesia than intravenous fentanyl in posttonsillectomy pain management, with similar onset times and side effect profiles. These findings underscore the potential of nebulized fentanyl as an effective alternative for pain control in posttonsillectomy patients.</p>","PeriodicalId":50975,"journal":{"name":"Annals of Otology Rhinology and Laryngology","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141318925","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Variability in Inner Ear Morphology Among a Family With Pendred Syndrome Due to a SLC26A4 Gene Variant.","authors":"Yung-Hsuan Chen, Wei-Che Lin, Chung-Feng Hwang, Meng-Han Tsai, Chao-Hui Yang","doi":"10.1177/00034894241261491","DOIUrl":"10.1177/00034894241261491","url":null,"abstract":"<p><strong>Objectives: </strong>Pendred syndrome, an autosomal recessive disorder, is often associated with pathogenic variants of the SLC26A4 gene that encodes the pendrin protein. Given its autosomal recessive inheritance, tracing the family history and screening siblings become crucial once a diagnosis of Pendred syndrome is confirmed. This case report aims to underscore the variability in inner ear morphology within a family diagnosed with Pendred syndrome, all carrying the same SLC26A4 gene mutation.</p><p><strong>Methods: </strong>A chart review and a review of the literature.</p><p><strong>Results: </strong>We present a family of 4, all of whom possess sensorineural hearing loss due to the same homozygous SLC26A4 variant c.919-2A>G. Intriguingly, clinical manifestations, especially inner ear deformities, displayed variability among family members. Notably, 1 family member exhibited a normal cochleovestibular structure morphology, which was rarely reported in the literature.</p><p><strong>Conclusions: </strong>This report highlights the significance of genetic testing and familial consultation when a proband exhibits typical Pendred syndrome symptoms. It also underscores that the inner ear morphology can exhibit variability among family members, even with the same homozygous SLC26A4 variant.</p>","PeriodicalId":50975,"journal":{"name":"Annals of Otology Rhinology and Laryngology","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141321891","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Management of Parapharyngeal Metastatic Medullary Thyroid Carcinoma Via a Combined Trans-Cervical and Trans-Oral Robotic Approach.","authors":"Clémentine Hyvrard, Florent Couineau, Tiffany Rigal, Serena Louerat, Stéphane Hans, Robin Baudouin","doi":"10.1177/00034894241261630","DOIUrl":"10.1177/00034894241261630","url":null,"abstract":"<p><strong>Introduction: </strong>Medullary thyroid carcinoma constitutes 5% to 10% of all thyroid cancers. Metastatic adenopathies may pose challenges in intricate anatomical locations, such as the parapharyngeal space. A rare case of metastatic medullary thyroid carcinoma in the parapharyngeal space has been treated in our unit using combined trans-cervical trans-oral robotic surgery. Our objective was to provide a detailed description of the surgery performed on this patient.</p><p><strong>Method: </strong>We reported a singular case report worth of interest.</p><p><strong>Result: </strong>A 42-year-old woman was addressed in our unit for the management of a medullary thyroid carcinoma adenopathy located in the right parapharyngeal space. A parapharyngeal 40.0 mm × 25.0 mm × 12.0 mm adenopathy was removed using a combined trans-cervical and trans-oral robotic approach without sacrifice or injury of vascular or nervous structure. Neither the tracheostomy nor the feeding tube was implemented. Feeding was resumed on postoperative day 1 and hospitalization spanned 7 days.</p><p><strong>Conclusion: </strong>An innovative combined trans-cervical and trans-oral robotic surgery approach was conducted to address a metastatic medullary thyroid carcinoma in the parapharyngeal space. This surgical technique allowed us to circumvent the need for a trans-mandibular approach, tracheostomy, and feeding tube and enabling successful tumor removal without fragmentation. Postoperative care was significantly eased. The sole complication observed was dysphonia, likely resulting from intra-operative stretching of the vagus nerve during the dissection of the carotid artery.</p>","PeriodicalId":50975,"journal":{"name":"Annals of Otology Rhinology and Laryngology","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141321890","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Endotype and Phenotype Related Postoperative Effects of Bacterial Lysate in Chronic Rhinosinusitis.","authors":"Seung-No Hong, Seung Koo Yang, Su Geun Kim, Sun A Han, Jin-A Park, Hyunkyung Cha, Joon Kon Kim, So Yeon Yoon, Kyoung Mi Eun, Dae Woo Kim","doi":"10.1177/00034894241264459","DOIUrl":"10.1177/00034894241264459","url":null,"abstract":"<p><strong>Objectives: </strong>Chronic rhinosinusitis (CRS) endotypes have demonstrated clinical value in guiding treatment decisions. Bacterial lysates are immunomodulators that have shown beneficial effects in various respiratory inflammatory diseases. This study aimed to evaluate the effect of postoperative bacterial lysate therapy on different CRS endotypes.</p><p><strong>Methods: </strong>Patients diagnosed with CRS who underwent endoscopic sinus surgery were recruited. Bacterial lysates were administered postoperatively for 10 days per month for 3 months to the experimental group comprising patients with a history of frequent upper respiratory infections without adverse reactions. The remaining participants were allocated to the control group. The results of the postoperative 3-, 6-, and 12-month assessments, including the modified Lund-Kennedy (mLK) endoscopic and Sinonasal Outcome Test (SNOT) 22 scores, for the groups were compared. The tissue samples obtained from the participants were evaluated to detect the presence of relevant inflammatory mediators.</p><p><strong>Results: </strong>Among the 92 participants, 47 started bacterial lysate therapy 2 weeks after the surgery. The tissue cytokine profiles and clinical parameters, such as the disease severity and blood eosinophil percentage, of the bacterial lysate and control groups were comparable before treatment. The mLK endoscopic and SNOT-22 scores did not differ after 3, 6, and 12 months of follow-up. The subgroup analysis revealed that the bacterial lysate group had significantly lower mLK endoscopic scores than the control group for CRS without nasal polyps, while there was a tendency toward significance for the interleukin (IL)-5 negative group after 6 months.</p><p><strong>Conclusion: </strong>Postoperative bacterial lysate therapy has some beneficial effects on the endoscopic findings of patients with CRS without nasal polyps or those who are negative for IL-5.</p>","PeriodicalId":50975,"journal":{"name":"Annals of Otology Rhinology and Laryngology","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141753336","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}