Acoustic rhinometry could numerically describe up- per airway condition of air draft by drawing a graph plotting the distance from the nostril vs. the cross-sectional area. Some decreases on the graph correspond to th...Acoustic rhinometry could numerically describe up- per airway condition of air draft by drawing a graph plotting the distance from the nostril vs. the cross-sectional area. Some decreases on the graph correspond to the typical anatomic structures of human nasal cavity. The 3-dimensional, computing fluid dynamic model of the same person was developed based on computed tomography scans. The veracity of the CFD model was valued by contrasting the relevant areas of stenosis site between the model and the AR graph. The aim in this study is to make clear how to use an AR to help improve and enrich the CFD model with the information of graph acquired from the measurement. The combination of AR and CT can be used to establish a living human nasal cavity model with higher significant information content.展开更多
BACKGROUND The nasal bone,being the most protruding bone in the center of the facial bones,is particularly susceptible to damage.Nasal bone fractures can often result in secondary deformation and dysfunction of the no...BACKGROUND The nasal bone,being the most protruding bone in the center of the facial bones,is particularly susceptible to damage.Nasal bone fractures can often result in secondary deformation and dysfunction of the nose,including septal fractures.Studies on functional or intra-nasal complications have been rarely reported after nasal bone fracture reduction.AIM To evaluate the severity of nasal obstruction and its improvement following nasal bone fracture reduction using inferior turbinoplasty.METHODS We conducted a retrospective review of data from 50 patients with symptomatic nasal obstruction between January to December 2010.All patients underwent preoperative Computed tomography evaluation,and symptom changes and nasal cavity volume were analyzed using a visual analog scale and acoustic rhinometry before and after surgery.Closed reduction and out-fracture of both inferior turbinates performed by the same surgeon.Treatment outcomes were assessed by comparing changes in the nasal airway volume measured using acoustic rhinometry before and after surgery.The minimal cross-sectional area(MCA)was also analyzed based on the Stranc classification.RESULTS Before reduction,the mean MCA for all cases was 0.59±0.06 cm^(2),which represented an 11%decrease compared to the average size of a Korean adult(0.65±0.03 cm^(2)).The MCA for frontal impact was 0.60±0.02 cm^(2) and for lateral impact,it was 0.58±0.03 cm^(2).After reduction via inferior turbinoplasty,the MCA improved to 0.64±0.04 cm^(2).CONCLUSION This study suggests that turbinoplasty is helpful in addressing nasal obstruction.Out-fracture of the inferior turbinate is an effective and durable technique that can be easily performed to enlarge the nasal airway with minimal morbidity.展开更多
目的探讨鼻中隔偏曲引起的主观鼻堵症状与鼻阻力和鼻声反射测量结果之间的相关性。方法利用HRR2四相鼻阻力计测量吸气、呼气过程的有效阻力（effective resistance in inspiration and expiration process, Reffin, Reflex）；吸气、呼...目的探讨鼻中隔偏曲引起的主观鼻堵症状与鼻阻力和鼻声反射测量结果之间的相关性。方法利用HRR2四相鼻阻力计测量吸气、呼气过程的有效阻力（effective resistance in inspiration and expiration process, Reffin, Reflex）；吸气、呼气过程的顶点阻力（vertex resistance in inspiration and expiration process, VRin, VRex ）；同时利用Eccovision鼻声反射仪测量距前鼻孔0～1cm，1～2cm，2～5em，5～7cm的鼻腔容积（nasalvolumefrom0～1em，1—2cm，2～5cm，5～7cm：V1，V1-2，V2-5，V5-7），鼻腔的最小横截面积（minimum cross—sectional area，MCA）及其距前鼻孔的趴离（the distance between the nostril to minimum cross—sectional area，MD）。结果第1组中，鼻堵症状的视觉模拟评分与鼻腔阻力、鼻腔容积及最小截面积差异无统计学意义。Reffin、Reflex、VRin、VRex分别和V1-2、V2-5、V5-7及MCA之间差异均无统计学意义；Reffin、Reflex、VRin、VRex在第1组与第2组间、第1组和第3组间差异有统计学意义，而在第2和第3组间差异无统计学意义；在第1组与第2组间、第1组和第3组间，V1、V1-2和MCA差异均无统计学意义，而V：。V。和MD差异有统计学意义；第2和第3组间，V1、V1-2、V2-5、V5-7、MCA和MD差异均无统计学意义。第1组的MD较其他2组明显后移，接近距前鼻孔2cm的位置。结论在有鼻堵症状的鼻中隔偏曲患者中，四相鼻阻力的测量结果和鼻声反射的测量结果无显著的相关性，鼻中隔偏曲引起的鼻堵症状不仅取决于偏曲的程度，而且取决于偏曲的范围。展开更多
目的对结构性鼻炎患者进行术前鼻通气的主客观评估,为手术提供临床依据。方法结构性鼻炎患者56例,收缩鼻腔前后分别进行鼻堵视觉模拟量表(visualanalogue scale,VAS)评分并分为两组:组1,30例,VAS评分>7;组2,26例,VAS评分<7。组3,...目的对结构性鼻炎患者进行术前鼻通气的主客观评估,为手术提供临床依据。方法结构性鼻炎患者56例,收缩鼻腔前后分别进行鼻堵视觉模拟量表(visualanalogue scale,VAS)评分并分为两组:组1,30例,VAS评分>7;组2,26例,VAS评分<7。组3,正常对照组,24例,VAS评分=0。3组分别进行鼻声反射和鼻阻力测量。记录两侧鼻腔前2个最小截面积(minimum cross-sectional area of nasal cavity,MCA1)、MCA2及其距离前鼻孔距离(the distance between the nostril to minimumcross-sectional area,MD1)、MD2,并分别记算两侧的比值;测量距离前鼻孔5 cm、2～5 cm、5～7 cm的两侧鼻腔容积(nasal volume,V5)、V2-5、V5-7并分别记算两侧的比值;测量双侧鼻腔总阻力(nasal resistance total,RT),计算双侧鼻腔阻力差异比(Rlr)。取收缩鼻腔后数值进行统计学检验。结果 3组MCA1、MD1、MCA2、MD2和RT值均无统计学差异;3组间各比值,除MD1、V5-7差异无统计学意义外,其余比值差异均存在统计学意义;组1测量结果较组2或组3有明显差异,结构异常也更加明显。结论鼻堵严重程度与两侧鼻腔结构异常程度有一定关联;鼻堵VAS评分、鼻声反射和鼻阻力测量应作为结构性鼻炎术前评估的常规手段。展开更多
目的本研究通过主观及客观性评估方法,对上颌骨Le Fort Ⅰ型截骨上颌骨向不同方向移动后鼻腔通气功能的变化进行评估。方法将30例需要接受正颌手术治疗的患者分为2组,前移组1 3例,采用上颌骨Le Fort I型截骨前移术;非前移组:1 7例,采用...目的本研究通过主观及客观性评估方法,对上颌骨Le Fort Ⅰ型截骨上颌骨向不同方向移动后鼻腔通气功能的变化进行评估。方法将30例需要接受正颌手术治疗的患者分为2组,前移组1 3例,采用上颌骨Le Fort I型截骨前移术;非前移组:1 7例,采用上颌骨Le Fort Ⅰ型截骨上抬、后退或下降术。术前、术后3个月及术后6个月分别对研究对象进行前鼻镜及鼻声反射检查。所有研究对象术前及术后6个月均完成NOSE量表的主观性评估,采用SPSS对术前及术后的结果进行统计学分析。结果鼻声反射检测结果显示两组患者的鼻腔阻力、鼻腔容积及鼻腔最小截面积3项指标在术后3个月及6个月时均较术前有所改善,但是前后差异没有统计学意义。NOSE量表的主观性评估结果显示,两研究组于术后6个月时的评估分值即主观症状改善较术前下降,然而仅非前移组术前术后差异有统计学意义。结论上颌骨Le Fort Ⅰ型单块截骨上颌骨向不同方向移动无论从客观上还是主观上都不会对患者的鼻腔通气功能产生不良影响。同时利用客观性(鼻声反射)及主观性(NOSE量表)检测手段可以有效地对鼻腔结构及功能进行评估。展开更多
目的探讨对存在鼻腔阻塞、鼻中隔偏曲的牙颌面畸形患者行上颌骨Le Fort I型截骨上颌骨前移术的同期行鼻中隔矫正术对鼻腔通气功能的影响。方法对13例I I I类错颌畸形并伴有鼻中隔偏曲,鼻腔阻塞症状的患者进行前瞻性研究,年龄18~45岁,手...目的探讨对存在鼻腔阻塞、鼻中隔偏曲的牙颌面畸形患者行上颌骨Le Fort I型截骨上颌骨前移术的同期行鼻中隔矫正术对鼻腔通气功能的影响。方法对13例I I I类错颌畸形并伴有鼻中隔偏曲,鼻腔阻塞症状的患者进行前瞻性研究,年龄18~45岁,手术方案包括上颌骨Le For t I型截骨前移术及鼻中隔矫正术。术前、术后3个月及术后6个月对研究对象分别进行前鼻镜检查及鼻声反射检查。术前及术后6个月,完成鼻腔阻塞症状评估量表（nasal obstruction symptom evaluation scale,NOSE）的主观性评估。采用SPSS13.0对术前、术后的结果进行配对t检验。结果鼻声反射检测结果显示研究组的鼻腔阻力、鼻腔容积及鼻腔最小截面积术后3个月及6个月较术前有显著改善。NOSE量表的主观性评估结果显示,术后6个月时的评估分值较术前下降,前后差异有统计学意义。结论上颌骨Le Fort I型截骨上颌骨前移手术同期行鼻中隔矫正术可以明显增加患者的鼻腔容积,改善鼻腔通气。展开更多
文摘Acoustic rhinometry could numerically describe up- per airway condition of air draft by drawing a graph plotting the distance from the nostril vs. the cross-sectional area. Some decreases on the graph correspond to the typical anatomic structures of human nasal cavity. The 3-dimensional, computing fluid dynamic model of the same person was developed based on computed tomography scans. The veracity of the CFD model was valued by contrasting the relevant areas of stenosis site between the model and the AR graph. The aim in this study is to make clear how to use an AR to help improve and enrich the CFD model with the information of graph acquired from the measurement. The combination of AR and CT can be used to establish a living human nasal cavity model with higher significant information content.
基金Supported by the National Research Foundation of Korea Grant funded by the Korea Government(MSIT),No.2020R1A2C1100891Soonchunhyang Research und,No.2023-0048.
文摘BACKGROUND The nasal bone,being the most protruding bone in the center of the facial bones,is particularly susceptible to damage.Nasal bone fractures can often result in secondary deformation and dysfunction of the nose,including septal fractures.Studies on functional or intra-nasal complications have been rarely reported after nasal bone fracture reduction.AIM To evaluate the severity of nasal obstruction and its improvement following nasal bone fracture reduction using inferior turbinoplasty.METHODS We conducted a retrospective review of data from 50 patients with symptomatic nasal obstruction between January to December 2010.All patients underwent preoperative Computed tomography evaluation,and symptom changes and nasal cavity volume were analyzed using a visual analog scale and acoustic rhinometry before and after surgery.Closed reduction and out-fracture of both inferior turbinates performed by the same surgeon.Treatment outcomes were assessed by comparing changes in the nasal airway volume measured using acoustic rhinometry before and after surgery.The minimal cross-sectional area(MCA)was also analyzed based on the Stranc classification.RESULTS Before reduction,the mean MCA for all cases was 0.59±0.06 cm^(2),which represented an 11%decrease compared to the average size of a Korean adult(0.65±0.03 cm^(2)).The MCA for frontal impact was 0.60±0.02 cm^(2) and for lateral impact,it was 0.58±0.03 cm^(2).After reduction via inferior turbinoplasty,the MCA improved to 0.64±0.04 cm^(2).CONCLUSION This study suggests that turbinoplasty is helpful in addressing nasal obstruction.Out-fracture of the inferior turbinate is an effective and durable technique that can be easily performed to enlarge the nasal airway with minimal morbidity.
文摘目的探讨鼻中隔偏曲引起的主观鼻堵症状与鼻阻力和鼻声反射测量结果之间的相关性。方法利用HRR2四相鼻阻力计测量吸气、呼气过程的有效阻力（effective resistance in inspiration and expiration process, Reffin, Reflex）；吸气、呼气过程的顶点阻力（vertex resistance in inspiration and expiration process, VRin, VRex ）；同时利用Eccovision鼻声反射仪测量距前鼻孔0～1cm，1～2cm，2～5em，5～7cm的鼻腔容积（nasalvolumefrom0～1em，1—2cm，2～5cm，5～7cm：V1，V1-2，V2-5，V5-7），鼻腔的最小横截面积（minimum cross—sectional area，MCA）及其距前鼻孔的趴离（the distance between the nostril to minimum cross—sectional area，MD）。结果第1组中，鼻堵症状的视觉模拟评分与鼻腔阻力、鼻腔容积及最小截面积差异无统计学意义。Reffin、Reflex、VRin、VRex分别和V1-2、V2-5、V5-7及MCA之间差异均无统计学意义；Reffin、Reflex、VRin、VRex在第1组与第2组间、第1组和第3组间差异有统计学意义，而在第2和第3组间差异无统计学意义；在第1组与第2组间、第1组和第3组间，V1、V1-2和MCA差异均无统计学意义，而V：。V。和MD差异有统计学意义；第2和第3组间，V1、V1-2、V2-5、V5-7、MCA和MD差异均无统计学意义。第1组的MD较其他2组明显后移，接近距前鼻孔2cm的位置。结论在有鼻堵症状的鼻中隔偏曲患者中，四相鼻阻力的测量结果和鼻声反射的测量结果无显著的相关性，鼻中隔偏曲引起的鼻堵症状不仅取决于偏曲的程度，而且取决于偏曲的范围。
文摘目的对结构性鼻炎患者进行术前鼻通气的主客观评估,为手术提供临床依据。方法结构性鼻炎患者56例,收缩鼻腔前后分别进行鼻堵视觉模拟量表(visualanalogue scale,VAS)评分并分为两组:组1,30例,VAS评分>7;组2,26例,VAS评分<7。组3,正常对照组,24例,VAS评分=0。3组分别进行鼻声反射和鼻阻力测量。记录两侧鼻腔前2个最小截面积(minimum cross-sectional area of nasal cavity,MCA1)、MCA2及其距离前鼻孔距离(the distance between the nostril to minimumcross-sectional area,MD1)、MD2,并分别记算两侧的比值;测量距离前鼻孔5 cm、2～5 cm、5～7 cm的两侧鼻腔容积(nasal volume,V5)、V2-5、V5-7并分别记算两侧的比值;测量双侧鼻腔总阻力(nasal resistance total,RT),计算双侧鼻腔阻力差异比(Rlr)。取收缩鼻腔后数值进行统计学检验。结果 3组MCA1、MD1、MCA2、MD2和RT值均无统计学差异;3组间各比值,除MD1、V5-7差异无统计学意义外,其余比值差异均存在统计学意义;组1测量结果较组2或组3有明显差异,结构异常也更加明显。结论鼻堵严重程度与两侧鼻腔结构异常程度有一定关联;鼻堵VAS评分、鼻声反射和鼻阻力测量应作为结构性鼻炎术前评估的常规手段。
文摘目的本研究通过主观及客观性评估方法,对上颌骨Le Fort Ⅰ型截骨上颌骨向不同方向移动后鼻腔通气功能的变化进行评估。方法将30例需要接受正颌手术治疗的患者分为2组,前移组1 3例,采用上颌骨Le Fort I型截骨前移术;非前移组:1 7例,采用上颌骨Le Fort Ⅰ型截骨上抬、后退或下降术。术前、术后3个月及术后6个月分别对研究对象进行前鼻镜及鼻声反射检查。所有研究对象术前及术后6个月均完成NOSE量表的主观性评估,采用SPSS对术前及术后的结果进行统计学分析。结果鼻声反射检测结果显示两组患者的鼻腔阻力、鼻腔容积及鼻腔最小截面积3项指标在术后3个月及6个月时均较术前有所改善,但是前后差异没有统计学意义。NOSE量表的主观性评估结果显示,两研究组于术后6个月时的评估分值即主观症状改善较术前下降,然而仅非前移组术前术后差异有统计学意义。结论上颌骨Le Fort Ⅰ型单块截骨上颌骨向不同方向移动无论从客观上还是主观上都不会对患者的鼻腔通气功能产生不良影响。同时利用客观性(鼻声反射)及主观性(NOSE量表)检测手段可以有效地对鼻腔结构及功能进行评估。
文摘目的探讨对存在鼻腔阻塞、鼻中隔偏曲的牙颌面畸形患者行上颌骨Le Fort I型截骨上颌骨前移术的同期行鼻中隔矫正术对鼻腔通气功能的影响。方法对13例I I I类错颌畸形并伴有鼻中隔偏曲,鼻腔阻塞症状的患者进行前瞻性研究,年龄18~45岁,手术方案包括上颌骨Le For t I型截骨前移术及鼻中隔矫正术。术前、术后3个月及术后6个月对研究对象分别进行前鼻镜检查及鼻声反射检查。术前及术后6个月,完成鼻腔阻塞症状评估量表（nasal obstruction symptom evaluation scale,NOSE）的主观性评估。采用SPSS13.0对术前、术后的结果进行配对t检验。结果鼻声反射检测结果显示研究组的鼻腔阻力、鼻腔容积及鼻腔最小截面积术后3个月及6个月较术前有显著改善。NOSE量表的主观性评估结果显示,术后6个月时的评估分值较术前下降,前后差异有统计学意义。结论上颌骨Le Fort I型截骨上颌骨前移手术同期行鼻中隔矫正术可以明显增加患者的鼻腔容积,改善鼻腔通气。
