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Purpose The aim of this study is to evaluate functional outcomes in terms of decannulation rate and quality of life of patients affected by PGS (Grades I–IV) treated only by transoral CO2 laser microsurgery (TOLMS) in two tertiary centers. Methods An observational retrospective study was carried out, enrolling 22 patients affected by PGS who were treated by a transoral approach at two tertiary referral centers. Surgical treatment included TOLMS with tailored laser resection of the scar tissue combined with posterior cordotomy, resurfacing of the raw area with mucosal microflap, or placement of a Montgomery T-tube or Keel stent. All patients were evaluated and staged preoperatively and postoperatively, at least 6 months after the surgery. Functional outcomes were objectively evaluated by the Airway-Dysphonia-Voice-Swallowing (ADVS) staging system, Voice Handicap Index-30 (VHI-30), and Eating Assessment Tool-10 (EAT-10) questionnaires. Results Quality of life significantly improved as measured by the VHI-30 questionnaire with a median variation of − 31.0 (p = 0.003), the EAT-10 with a median variation of − 4.0 (p = 0.042), and the ADVS with a median variation of − 3.5 (p Conclusion In conclusion, even if there is still no general agreement on an exact therapeutic algorithm to treat PGS, our results confirm that transoral surgery, in terms of scar tissue removal, combined in selected patients with posterior cordotomy and pedicled local flaps and/or placement of stents, represents a safe and effective surgical approach even for more severe PGS.

The margin status after CO2 laser cordectomy for glottic carcinoma may influence prognosis. There are no studies assessing the possible bias due to anatomic changes of the specimens for shrinkage. The authors evaluated the intraoperative shrinkage of specimens immediately after transoral CO2 laser microsurgery (CO2 TOLMS) to improve the understanding and the interpretation of surgical margins. This is a prospective study involving a consecutive cohort of 23 patients (19 males, 4 females, mean age 69.9 years, range 42–83 years) with early glottic carcinoma treated by CO2 TOLMS from February 2017 to April 2019. The anteroposterior shrinkage of the specimen, of the tumor, and of the anterior and posterior margins was measured intraoperatively with a cross table reticle glass micrometer ruler, inserted into the eyepiece of the surgical microscope. The mean shrinkage of the mucosal specimen from intralaryngeal measurement to post-resection measurement was 3.8 ± 0.3 mm, resulting in an average loss of 29% of the anteroposterior length (p

The authors report their experience regarding parotidectomy performed under a three-dimensional-high-definition (3D-HD) exoscope, with the aim of evaluating its effectiveness in parotid surgery. This is a prospective study on nine patients treated by the same surgeon. All patients underwent parotidectomy for extrafacial primary tumours without preoperative involvement of the skin or of the facial nerve from March 2019 to June 2019 with the use of a 3D-HD exoscope. Magnification was variable from 8x to 30x with direct vision supplied by a 3D monitor. Six men and three women, mean (range) age 47.8 (19-74) years underwent parotidectomy. No patient experienced postoperative complications or definitive facial palsy. The mean (range) time of surgery was 149.4 (115 - 210) minutes. The 3D exoscope represents a valid alternative to the operative microscope or surgical loupe for parotid surgery. It is a light instrument allowing for precise surgical dissection of the parotid region by reducing the risks for iatrogenic lesions of the facial nerve using a real 3D magnification of the anatomical structures in HD. Furthermore, its use does not prolong the operative time and shows high potential for training and educational purposes since the operating room staff can better perceive the procedure and the surgeon's fine gestures. Although the preliminary applications show promising results, there is still a need for wider scientific validation.

The aim of this study is to report our experience with double-stage laryngotracheal reconstruction with anterior or antero-posterior cartilage grafting in the management of acquired laryngotracheal stenosis in children. Patients were treated by the same surgeon at the UMC National Research Center for Maternal and Child Health of Astana (Kazakhstan), and Sfendiyarov Kazakh National Medical University, Almaty (Kazakhstan).From November 2011 to September 2019, 9 children underwent surgery for grade III and IV laryngotracheal stenosis according to the European Laryngological Society classification (mean age of 6 years, range of 2-12 years).Six patients underwent double-stage laryngotracheal reconstruction with anterior and posterior cartilage graft, and 3 patients underwent double-stage laryngotracheal reconstruction with single anterior cartilage graft. In all patients, a T-tube was used to stabilize the airway (mean time of 5.8 months, range of 5-9 months). One patient required additional dilation with bougies to obtain a viable laryngotracheal diameter. No postoperative complications were observed. One patient experienced recurrence of the stenosis 5 months after double-stage laryngotracheal reconstruction with double anterior and posterior cartilage grafts and is waiting for revision surgery. After a mean follow-up of 14 months (range of 4-36 months), 8 patients are tracheostomy-free, and all patients are feeding tube-free.Double-stage laryngotracheal reconstruction with a single or double cartilage grafting represents a safe and effective option in the management of complete or severe laryngotracheal stenosis.