Background The partial cutting and suture technique is a modification of the cutting and suture technique that overcomes the limitations and simplifies the procedure of the cutting and suture technique. Objective We describe the partial cutting and suture technique and evaluate its effectiveness of correcting caudal septal deviation. Methods We retrospectively reviewed the medical records of patients who underwent anterior septoplasty using the partial cutting and suture technique. The patients were evaluated with the Nasal Obstructive Symptoms Evaluation (NOSE) scale scores and the acoustic rhinometry preoperatively and 3 months postoperatively. Results Thirty-one patients underwent caudal septoplasty by our novel technique. The NOSE scale score changed from 43.5 to 11.0 ( P = .000). The minimal cross-sectional area (MCA) on the convex side changed from 0.49 cm2 to 0.65 cm2 ( P = .006). Conclusion The partial cutting and suture technique is relatively easy and is very effective in correcting caudal septal deviation without any complications.
Background and Objectives: Correcting the caudal septal deviation is one of the most difficult challenges of rhinologists. The purpose of this study is to evaluate the long-term effect of the partial cutting and suture technique for its correction. Materials and Methods: Korean version Nasal Obstructive Symptoms Evaluation (NOSE) scale score were compared and analyzed before surgery and three months and about two years after surgery in patients who underwent caudal septoplasty using the partial cutting and suture technique. Results: A total of 29 patients were included in this study. The average NOSE scale score before surgery was 43.97, which improved to 12.93 (p<0.001) at three months after surgery and finally 15.69 (p<0.001). The high dorsal deviation was observed in 75% in the non-improved group and 47.6% in the improved group. Conclusions: Correcting the caudal septal deviation through the partial cutting and suture technique showed excellent results in the long-term evaluation.
Background:The applications of three-dimensional (3D) printing are expanding in personalized medicine. The image data used for 3D printing modeling include 3D scanners and medical image data such as computed tomography (CT) and/or magnetic resonance imaging data.Objective: To compare 3D scanner images with CT 3D images for fabricating a patient-specific nasal pillow positive airway pressure (PAP) mask using 3D printing technology.Methods: Personalized PAP masks were designed using 3D printing based on image data obtained using a low-dose facial CT scan or a 3D scanner. After converting the extracted nose shape data into a standard tessellation language file format, it was transferred to mesh-based modeling software (3-matic) to produce a PAP mask matching the shape of the nose. A questionnaire was used to evaluate the wearing sensation, degree of air leakage, and delivery ability of positive pressure for the customized and conventional nasal type masks. Each mask was rated between 0 and 4. Results:The ultra-low-dose CT scan with a 1-mm slice distance was adequate to obtain the clear images required to produce a 3D printed nasal pillow PAP mask. The wearing sensation of the 3D printed nasal pillow PAP masks tended to be more comfortable than that of the conventional nasal masks (p=0.056). However, the least amount of air leakage was observed with the conventional nasal mask (p=0.003). The positive pressure delivery ability was slightly lower in the 3D nasal pillow mask group (p=0.054). Conclusion:The nasal pillow type 3D printed PAP masks used in this study did not demonstrate satisfactory results to justify its use as a replacement of the conventional nasal-type mask. An ultra-low-dose CT scan was sufficient to produce a 3D printed mask.
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