目的探讨伴对侧耳感音神经性聋的突发性聋(unilateral sudden sensorineural hearing loss with preexisting sensorineural hearing loss in the contralateral ear,USSHLwCSHL)患者的临床特点、治疗效果,加深对该疾病的认识,提高诊治...目的探讨伴对侧耳感音神经性聋的突发性聋(unilateral sudden sensorineural hearing loss with preexisting sensorineural hearing loss in the contralateral ear,USSHLwCSHL)患者的临床特点、治疗效果,加深对该疾病的认识,提高诊治水平。方法回顾性分析72例USSHLwCSHL患者的发病特点、听力学检查、血液学检查和治疗效果等临床资料,并与同期发病的65例对侧耳听力正常的突发性聋(unilateral sudden sensorineural hearing loss with contralateral normal hearing,USSHLwCNH)患者进行比较。结果USSHLwCSHL组的发病年龄明显高于USSHLwCNH组[(65.17±8.29)岁vs(46.71±11.54)岁,P<0.001)],且男性患者比例更高(女性/男性:32/40 vs 45/20,P<0.01);USSHLwCSH组下降型听力曲线占比(37.50%)明显高于USSHLwCNH组(18.46%),而上升型听力曲线占比(0)明显低于USHLwCNH(18.46%)(P<0.01);两组之间血小板平均体积、血纤维蛋白原、总胆固醇、甘油三酯、高密度脂蛋白胆固醇、低密度脂蛋白胆固醇,载脂蛋白a1和载脂蛋白b等血液学检查指标无明显差异;USSHLwCSHL组的治疗有效率(33.33%)明显低于USSHLwCNH(55.38%,P<0.01)。结论USSHLwCSHL更多见于高龄患者,且男性患者比例较高,与USSHLwCNH组比,USSHLwCSHL组的上升型听力曲线较少,而下降型听力曲线更多、治疗效果较差。展开更多
Brand competitiveness is a significant indicator of high-quality development of enterprises and a pivotal factor in an enterprise's pursuit of long-term growth.Using panel data on Chinese A-share listed companies ...Brand competitiveness is a significant indicator of high-quality development of enterprises and a pivotal factor in an enterprise's pursuit of long-term growth.Using panel data on Chinese A-share listed companies from 2007 to 2021,this study constructs a measure of brand competitiveness using textual analysis and empirically examines its effect on corporate investment efficiency.The results reveal that brand competitiveness mitigates inefficient investment through two distinct channels:the reputation constraint mechanism and the information acquisition mechanism.These effects are more pronounced in environments characterized by intense market competition,advanced managerial cognition,and sustained brand competitiveness.Additionally,brand competitiveness is shown to significantly enhance total factor productivity,thereby supporting high-quality development of enterprises.The findings offer practical implications for enterprises aiming to strengthen brand competitiveness and advance toward high-quality development.展开更多
文摘目的探讨伴对侧耳感音神经性聋的突发性聋(unilateral sudden sensorineural hearing loss with preexisting sensorineural hearing loss in the contralateral ear,USSHLwCSHL)患者的临床特点、治疗效果,加深对该疾病的认识,提高诊治水平。方法回顾性分析72例USSHLwCSHL患者的发病特点、听力学检查、血液学检查和治疗效果等临床资料,并与同期发病的65例对侧耳听力正常的突发性聋(unilateral sudden sensorineural hearing loss with contralateral normal hearing,USSHLwCNH)患者进行比较。结果USSHLwCSHL组的发病年龄明显高于USSHLwCNH组[(65.17±8.29)岁vs(46.71±11.54)岁,P<0.001)],且男性患者比例更高(女性/男性:32/40 vs 45/20,P<0.01);USSHLwCSH组下降型听力曲线占比(37.50%)明显高于USSHLwCNH组(18.46%),而上升型听力曲线占比(0)明显低于USHLwCNH(18.46%)(P<0.01);两组之间血小板平均体积、血纤维蛋白原、总胆固醇、甘油三酯、高密度脂蛋白胆固醇、低密度脂蛋白胆固醇,载脂蛋白a1和载脂蛋白b等血液学检查指标无明显差异;USSHLwCSHL组的治疗有效率(33.33%)明显低于USSHLwCNH(55.38%,P<0.01)。结论USSHLwCSHL更多见于高龄患者,且男性患者比例较高,与USSHLwCNH组比,USSHLwCSHL组的上升型听力曲线较少,而下降型听力曲线更多、治疗效果较差。
基金supported by the major project of the National Social Science Fund of China titled "Construction and Analysis of a Macroeconomic Accounting Value Index Based on Marx's Labor Theory of Value"(No.18ZDA073).
文摘Brand competitiveness is a significant indicator of high-quality development of enterprises and a pivotal factor in an enterprise's pursuit of long-term growth.Using panel data on Chinese A-share listed companies from 2007 to 2021,this study constructs a measure of brand competitiveness using textual analysis and empirically examines its effect on corporate investment efficiency.The results reveal that brand competitiveness mitigates inefficient investment through two distinct channels:the reputation constraint mechanism and the information acquisition mechanism.These effects are more pronounced in environments characterized by intense market competition,advanced managerial cognition,and sustained brand competitiveness.Additionally,brand competitiveness is shown to significantly enhance total factor productivity,thereby supporting high-quality development of enterprises.The findings offer practical implications for enterprises aiming to strengthen brand competitiveness and advance toward high-quality development.
