The sources and ecological risk from sixteen polycyclic aromatic hydrocarbons in surface sediment in the Liaodong Bay were investigated from 2014 to 2015.The total concentrations of PAHs ranged from 88.5 to 347.1 ng/g...The sources and ecological risk from sixteen polycyclic aromatic hydrocarbons in surface sediment in the Liaodong Bay were investigated from 2014 to 2015.The total concentrations of PAHs ranged from 88.5 to 347.1 ng/g,and the high value occurred in the central region of the Liaodong Bay.Cluster analysis identified two site clusters representing the coastal region affected by land-based pollution and the central region of the Liaodong Bay.Principal component analysis-multiple linear regression and diagnostic ratios suggested that PAHs contaminants originated from a mixture of combustion and petroleum sources,and the major was combustion sources.Based on sediment quality guideline,naphthalene,acenaphthylene,acenaphthene,phenanthrene and dibenz[a,h]anthracene may occasionally cause adverse biological effects in some stations.The toxic equivalent concentrations of carcinogenic PAHs indicated low carcinogenic risk for the Liaodong Bay.The ecological risk and toxic pollution levels of PAHs were higher in the central region than in the coastal region along the Liaodong Bay.展开更多
目的分析传统手术和超声引导下微波消融术(MWA)治疗甲状腺良性肿瘤的临床效果,并对并发症的发生情况及短期疗效进行探讨。方法回顾性分析徐州医科大学附属淮安医院2017年1—12月收治的63例甲状腺良性肿瘤患者的临床资料,观察组(30例)接...目的分析传统手术和超声引导下微波消融术(MWA)治疗甲状腺良性肿瘤的临床效果,并对并发症的发生情况及短期疗效进行探讨。方法回顾性分析徐州医科大学附属淮安医院2017年1—12月收治的63例甲状腺良性肿瘤患者的临床资料,观察组(30例)接受微波消融治疗,对照组(33例)接受传统手术治疗。分析2组的治疗效果,观察2组伤口的美容评分、术后24 h疼痛评分(VAS)、住院费用、并发症发生率、术中出血量、住院时间、手术时间、甲状腺功能指标、肿块体积变化、术后第1天2组炎症因子变化情况及术后第1天日常生活能力评定(BI)情况。结果观察组术后24 h VAS评分、住院时间、术中出血量、住院费用、手术时间、术后并发症发生率、对甲状腺功能影响、对机体的创伤、对术后生活活动能力的影响等均低于对照组,观察组伤口美容评分高于对照组,差异有统计学意义(P<0.05);并且观察组术后肿块缩小明显,术后时间越长,缩小率越高。结论微波消融术治疗甲状腺良性肿瘤是一种损伤小、并发症少、美容效果明显的良好的手术方式。展开更多
基金The Liaoning Province Natural Science Foundation under contract No.201602409the Public Science and Technology Research Funds Projects of Ocean under contract No.201505019
文摘The sources and ecological risk from sixteen polycyclic aromatic hydrocarbons in surface sediment in the Liaodong Bay were investigated from 2014 to 2015.The total concentrations of PAHs ranged from 88.5 to 347.1 ng/g,and the high value occurred in the central region of the Liaodong Bay.Cluster analysis identified two site clusters representing the coastal region affected by land-based pollution and the central region of the Liaodong Bay.Principal component analysis-multiple linear regression and diagnostic ratios suggested that PAHs contaminants originated from a mixture of combustion and petroleum sources,and the major was combustion sources.Based on sediment quality guideline,naphthalene,acenaphthylene,acenaphthene,phenanthrene and dibenz[a,h]anthracene may occasionally cause adverse biological effects in some stations.The toxic equivalent concentrations of carcinogenic PAHs indicated low carcinogenic risk for the Liaodong Bay.The ecological risk and toxic pollution levels of PAHs were higher in the central region than in the coastal region along the Liaodong Bay.
文摘目的分析传统手术和超声引导下微波消融术(MWA)治疗甲状腺良性肿瘤的临床效果,并对并发症的发生情况及短期疗效进行探讨。方法回顾性分析徐州医科大学附属淮安医院2017年1—12月收治的63例甲状腺良性肿瘤患者的临床资料,观察组(30例)接受微波消融治疗,对照组(33例)接受传统手术治疗。分析2组的治疗效果,观察2组伤口的美容评分、术后24 h疼痛评分(VAS)、住院费用、并发症发生率、术中出血量、住院时间、手术时间、甲状腺功能指标、肿块体积变化、术后第1天2组炎症因子变化情况及术后第1天日常生活能力评定(BI)情况。结果观察组术后24 h VAS评分、住院时间、术中出血量、住院费用、手术时间、术后并发症发生率、对甲状腺功能影响、对机体的创伤、对术后生活活动能力的影响等均低于对照组,观察组伤口美容评分高于对照组,差异有统计学意义(P<0.05);并且观察组术后肿块缩小明显,术后时间越长,缩小率越高。结论微波消融术治疗甲状腺良性肿瘤是一种损伤小、并发症少、美容效果明显的良好的手术方式。
