The Greek-NOSE questionnaire is a valid instrument with satisfactory internal consistency, reliability, reproducibility, validity, and responsiveness.

The aim of this study was to perform translation, cross-cultural adaptation, and validation of the sinonasal outcome test 22 (SNOT-22) in the Greek language. SNOT-22 was translated into Greek. A prospective study was conducted on adult patients with chronic rhinosinusitis (CRS) according to rhinosinusitis and nasal polyps (EPOS) criteria. Test-retest evaluation of the patients was carried out. Internal consistency was assessed with Cronbach's alpha test, and test-retest reliability with Pearson's test (parametric correlation coefficient), kappa (reproducibility) and Bland-Altman plot (extent of agreement). Validity was assessed by comparing scores between a control group of volunteers without CRS and the CRS group using Mann-Whitney test. Responsiveness was assessed on CRS patients who underwent surgery, by comparing preoperative to 3 months postoperative scores with paired t test. Furthermore the magnitude of surgery effect was evaluated. Test-retest evaluation was accepted in 64 patients. Cronbach's alpha was 0.84 and 0.89 at test and retest, respectively, suggesting good internal consistency. Pearson's correlation coefficient was 0.91 (p < 0.001), revealing good correlation between initial and retest scores. Mean kappa value was 0.65, indicating a high level of reproducibility, while in Bland-Altman plot the differences were located between agreement thresholds. The control group consisted of 120 volunteers. Mann-Whitney test showed a statistically significant lower score for the control group (p < 0.0001). 32 CRS patients underwent surgical treatment. Postoperative scores were significantly lower than preoperative (p < 0.0001) while the magnitude of surgery effect was considered high. Greek SNOT-22 is a valid instrument with good internal consistency, reliability, reproducibility, validity and responsiveness.

The objective of this study is to assess the impact of perioperative dexamethasone on post-thyroidectomy voice outcomes. This study is a retrospective review of prospectively collected data in a tertiary referral center. This is a retrospective analysis of prospectively collected data on adult patients undergoing total thyroidectomy. Exclusion criteria were: previous neck surgery, thyroid lobectomy, neck dissection or other procedure together with thyroidectomy, pathological findings on laryngeal examination, preoperative or postoperative steroid therapy, diabetes mellitus, pregnancy, and postoperative recurrent laryngeal nerve palsy. In all patients, flexible laryngoscopy was performed and Voice Handicap Index (VHI) scores were obtained the day before, 48 h and 1 month after surgery. Patients' medical records were reviewed to find the patients who had received dexamethasone by the anesthesiologist as nausea and vomiting prophylaxis or analgesia. Thus, two groups of patients were formed: dexamethasone (D) group and non-steroid (NS) group. Mann-Whitney test used to compare VHI between the two groups. 122 patients fulfilled the criteria. D group consisted of 50 patients (44 females; mean age 53.16 ± 17.61), in which a single IV dose of 8 mg dexamethasone had been administered perioperative, and NS group consisted of 72 patients (58 females; mean age 50.53 ± 13.60), where no steroids had been administered. No significant difference was noticed between D and NS groups for preoperative VHI score, VHI scores 48 h and 1 month after surgery. In our study, a single perioperative IV dose of 8 mg dexamethasone did not seem to add any benefit on voice-related quality of life after thyroid surgery.

Dear Editor, Even though more than half of patients undergoing thyroidectomy complain of non-specific dysphagia, when no laryngeal nerve injury is involved the importance of this complication is often overlooked. 1-3 Post-thyroidectomy swallowing problems include non-specific swallowing changes and discomfort, occasional dysphagia, painful swallowing, swallowing difficulty and sensation of a lump or coughing. 3,4 These symptoms usually resolve after a short period 4 but sometimes may persist long after surgery. 2 Steroids are well known for their analgesic, antiinflammatory, immune-modulating and antiemetic effects. 5 Furthermore, evidence in the literature supports the perioperative use of corticosteroids in thyroid surgery as prophylaxis for post-operative nausea and vomiting 5-7 or analgesia. 5,6 In our department, it is a common practice of some anaesthesiologist to use perioperative steroids in thyroid surgery, while some others do not; so some of our patients receive perioperative steroids and others do not. To our knowledge, the impact of steroids on swallowing symptoms after thyroidectomy has never been evaluated so far (PubMed search).The purpose of this study was to evaluate the impact of a single perioperative dexamethasone administration on postthyroidectomy swallowing symptoms as expressed by swallowing impairment score (SIS-6) questionnaire. 8 Methods Ethical considerationsCase notes and computer data only were used for this study complying with the regulations of University Hospital of Larissa scientific committee. This study was approved by the University Hospital of Larissa review board. Participants and outcome measures

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