Background Currently,many simulator systems for medical procedures are under development.These systems can provide new solutions for training,planning,and testing medical practices,improve performance,and optimize the...Background Currently,many simulator systems for medical procedures are under development.These systems can provide new solutions for training,planning,and testing medical practices,improve performance,and optimize the time of the exams.However,to achieve the best results,certain premises must be followed and applied to the model under development,such as usability,control,graphics realism,and interactive and dynamic gami-fication.Methods This study presents a system for simulating a medical examination procedure in the nasal cavity for training and research purposes,using a patient′s accurate computed tomography(CT)as a reference.The pathologies that are used as a guide for the development of the system are highlighted.Furthermore,an overview of current studies covering bench medical mannequins,3D printing,animals,hardware,software,and software that use hardware to boost user interaction,is given.Finally,a comparison with similar state-of-the-art studies is made.Results The main result of this work is interactive gamification techniques to propose an experience of simulation of an immersive exam by identifying pathologies present in the nasal cavity such as hypertrophy of turbinates,septal deviation adenoid hypertrophy,nasal polyposis,and tumor.展开更多
Purpose:To observe the clinical efficacy of spherical headed silicone implantation in the treatment of chronic dacryocystitis under nasal endoscopy.Methods:Twenty-six patients (31 eyes) with chronic dacryocystitis wer...Purpose:To observe the clinical efficacy of spherical headed silicone implantation in the treatment of chronic dacryocystitis under nasal endoscopy.Methods:Twenty-six patients (31 eyes) with chronic dacryocystitis were subjected to spherical headed silicone implantation under topical anesthesia (lacrimal passage and nasal mucosal surface).Lacrimal passage irrigation was performed daily throughout the first postoperative week,and once each month thereafter.Results:All spherical headed silicone tube placements were successfully performed.The operative time ranged from 6 to 11 minutes.Symptoms of epiphora were immediately ameliorated post-operatively,and irrigation demonstrated patency of the lacrimal system in all patients.All patients were followed from 7 to 24 months,during which symptoms of tearing were improved.The lacrimal ducts of 27 eyes (87.7%) were normal.The lacrimal ducts of 4 others.(12.3%).were still blocked.Lacrimal passage irrigation was open and secretion disappeared in 28 eyes(90.3%).Tearing was observed in 3 eyes (9.68%).Conclusion:Spherical headed silicone tube implantation under nasal endoscopy is successful in relieving symptoms of tearing.展开更多
Objective:Compare nasal endoscopy with 3 mm versus conventional 4 mm rigid 30° endoscopes for visualization,patient comfort,and examiner ease.Methods:Ten adults with no previous sinus surgery underwent bilateral ...Objective:Compare nasal endoscopy with 3 mm versus conventional 4 mm rigid 30° endoscopes for visualization,patient comfort,and examiner ease.Methods:Ten adults with no previous sinus surgery underwent bilateral nasal endoscopy with both 4 mm and 3 mm endoscopes (resulting in 20 paired nasal endoscopies).Visualization,patient discomfort and examiner’s difficulty were assessed with every endoscopy.Sino-nasal structures were checked on a list if visualized satisfactorily.Patients rated discomfort on a standardized numerical pain scale (0-10).Examiners rated difficulty of examination on a scale of 1-5 (1 =easiest).Results:Visualization with 3 mm endoscope was superior for the sphenoid ostium (P =0.002),superior turbinate (P =0.007),spheno-ethmoid recess (P =0.006),uncinate process (P =0.002),cribdform area (P =0.007),and Valve of Hasner (P =0.002).Patient discomfort was not significantly different for 3 mm vs.4 mm endoscopes but correlated with the examiners’ assessment of difficulty (r =0.73).The examiner rated endoscopy with 4 mm endoscopes more difficult (P =0.027).Conclusions:The 3 mm endoscope was superior in visualizing the sphenoid ostium,superior turbinate,spheno-ethmoid recess,uncinate process,cribriform plate,and valve of Hasner.It therefore may be useful in assessment of spheno-ethmoid recess,nasolacrimal duct,and cribriform area pathologies.Overall,patients tolerated nasal endoscopy well.Though patient discomfort was not significantly different between the endoscopes,most discomfort with 3 mm endoscopes was noted while examining structures difficult to visualize with the 4 mm endoscope.Patients’ discomfort correlated with the examiner’s assessment of difficulty.展开更多
文摘Background Currently,many simulator systems for medical procedures are under development.These systems can provide new solutions for training,planning,and testing medical practices,improve performance,and optimize the time of the exams.However,to achieve the best results,certain premises must be followed and applied to the model under development,such as usability,control,graphics realism,and interactive and dynamic gami-fication.Methods This study presents a system for simulating a medical examination procedure in the nasal cavity for training and research purposes,using a patient′s accurate computed tomography(CT)as a reference.The pathologies that are used as a guide for the development of the system are highlighted.Furthermore,an overview of current studies covering bench medical mannequins,3D printing,animals,hardware,software,and software that use hardware to boost user interaction,is given.Finally,a comparison with similar state-of-the-art studies is made.Results The main result of this work is interactive gamification techniques to propose an experience of simulation of an immersive exam by identifying pathologies present in the nasal cavity such as hypertrophy of turbinates,septal deviation adenoid hypertrophy,nasal polyposis,and tumor.
文摘Purpose:To observe the clinical efficacy of spherical headed silicone implantation in the treatment of chronic dacryocystitis under nasal endoscopy.Methods:Twenty-six patients (31 eyes) with chronic dacryocystitis were subjected to spherical headed silicone implantation under topical anesthesia (lacrimal passage and nasal mucosal surface).Lacrimal passage irrigation was performed daily throughout the first postoperative week,and once each month thereafter.Results:All spherical headed silicone tube placements were successfully performed.The operative time ranged from 6 to 11 minutes.Symptoms of epiphora were immediately ameliorated post-operatively,and irrigation demonstrated patency of the lacrimal system in all patients.All patients were followed from 7 to 24 months,during which symptoms of tearing were improved.The lacrimal ducts of 27 eyes (87.7%) were normal.The lacrimal ducts of 4 others.(12.3%).were still blocked.Lacrimal passage irrigation was open and secretion disappeared in 28 eyes(90.3%).Tearing was observed in 3 eyes (9.68%).Conclusion:Spherical headed silicone tube implantation under nasal endoscopy is successful in relieving symptoms of tearing.
文摘Objective:Compare nasal endoscopy with 3 mm versus conventional 4 mm rigid 30° endoscopes for visualization,patient comfort,and examiner ease.Methods:Ten adults with no previous sinus surgery underwent bilateral nasal endoscopy with both 4 mm and 3 mm endoscopes (resulting in 20 paired nasal endoscopies).Visualization,patient discomfort and examiner’s difficulty were assessed with every endoscopy.Sino-nasal structures were checked on a list if visualized satisfactorily.Patients rated discomfort on a standardized numerical pain scale (0-10).Examiners rated difficulty of examination on a scale of 1-5 (1 =easiest).Results:Visualization with 3 mm endoscope was superior for the sphenoid ostium (P =0.002),superior turbinate (P =0.007),spheno-ethmoid recess (P =0.006),uncinate process (P =0.002),cribdform area (P =0.007),and Valve of Hasner (P =0.002).Patient discomfort was not significantly different for 3 mm vs.4 mm endoscopes but correlated with the examiners’ assessment of difficulty (r =0.73).The examiner rated endoscopy with 4 mm endoscopes more difficult (P =0.027).Conclusions:The 3 mm endoscope was superior in visualizing the sphenoid ostium,superior turbinate,spheno-ethmoid recess,uncinate process,cribriform plate,and valve of Hasner.It therefore may be useful in assessment of spheno-ethmoid recess,nasolacrimal duct,and cribriform area pathologies.Overall,patients tolerated nasal endoscopy well.Though patient discomfort was not significantly different between the endoscopes,most discomfort with 3 mm endoscopes was noted while examining structures difficult to visualize with the 4 mm endoscope.Patients’ discomfort correlated with the examiner’s assessment of difficulty.