目的探索芪术肺纤汤治疗特发性肺间质纤维化(idiopathic pulmonary fibrosis,IPF)患者的临床疗效。方法纳入40例2019年10月1日至2021年12月31日于中国中医科学院广安门医院就诊及住院的IPF患者,随机分为试验组和对照组各20例,对照组患...目的探索芪术肺纤汤治疗特发性肺间质纤维化(idiopathic pulmonary fibrosis,IPF)患者的临床疗效。方法纳入40例2019年10月1日至2021年12月31日于中国中医科学院广安门医院就诊及住院的IPF患者,随机分为试验组和对照组各20例,对照组患者口服乙酰半胱氨酸胶囊加百令胶囊,试验组患者在此基础上加用芪术肺纤汤,治疗3个月后观察2组患者肺功能、6分钟步行距离(six-minute walk distance,6MWD)、静息状态血氧饱和度(oxygen saturation,SpO_(2))、圣乔治呼吸问卷(the Saint George's respiratory questionnaire,SGRQ)评分、血清涎液化糖链抗原6(krebs von den lungen-6,KL-6)水平、高分辨CT(high-resolution ct,HRCT)半定量评分变化。结果治疗后试验组患者一氧化碳弥散量占预计值的百分比(carbon monoxide diffusing capacity/predict value,DLCO%)明显高于对照组,差异有统计学意义(P<0.01);治疗后试验组SGRQ总分、症状评分、疾病影响评分、血清KL-6和HRCT半定量评分均低于对照组,差异有统计学意义(P<0.05);肺功能分级和HRCT半定量评分呈正相关性(r=0.849,P<0.01)。结论芪术肺纤汤能够延缓IPF患者的肺纤维化进展,值得临床推广应用。展开更多
Trading water for carbon has cautioned large-scale afforestation in global drylands.However,model simulations suggested that the consumption of soil water could be partially offset by increasing precipitation due to v...Trading water for carbon has cautioned large-scale afforestation in global drylands.However,model simulations suggested that the consumption of soil water could be partially offset by increasing precipitation due to vegetation feedback.A systematic meta-analysis of long-term and large-scale field observations is urgently required to address the abovementioned limitations,and the implementation of large-scale afforestation since 1978 in northern China provides an ideal example.This study collected data comprising 1226 observations from 98 sites in northern China to assess the variation in soil water content(SWC)with stand age after afforestation and discuss the effects of tree species,precipitation and conversions of land use types on SWC.We found that the SWC has been decreased by coniferous forest and broadleaf forest at rates of 0.6 and 3.2 mm decade-1,respectively,since 1978.There is a significant declining trend of SWC with the stand age of plantations,and the optimum growth stage for plantation forest is 0-20 a in northern China.However,we found increases in SWC for the conversion from grassland to forest and in the low-precipitation region,both are corresponding to the increased SWC in coniferous forest.Our study implies that afforestation might lead to a soil water deficit crisis in northern China in the long term at the regional scale but depends on prior land use types,tree taxa and the mean annual precipitation regime,which sheds light on decision-making regarding ecological restoration policies and water resource management in drylands.展开更多
文摘目的探索芪术肺纤汤治疗特发性肺间质纤维化(idiopathic pulmonary fibrosis,IPF)患者的临床疗效。方法纳入40例2019年10月1日至2021年12月31日于中国中医科学院广安门医院就诊及住院的IPF患者,随机分为试验组和对照组各20例,对照组患者口服乙酰半胱氨酸胶囊加百令胶囊,试验组患者在此基础上加用芪术肺纤汤,治疗3个月后观察2组患者肺功能、6分钟步行距离(six-minute walk distance,6MWD)、静息状态血氧饱和度(oxygen saturation,SpO_(2))、圣乔治呼吸问卷(the Saint George's respiratory questionnaire,SGRQ)评分、血清涎液化糖链抗原6(krebs von den lungen-6,KL-6)水平、高分辨CT(high-resolution ct,HRCT)半定量评分变化。结果治疗后试验组患者一氧化碳弥散量占预计值的百分比(carbon monoxide diffusing capacity/predict value,DLCO%)明显高于对照组,差异有统计学意义(P<0.01);治疗后试验组SGRQ总分、症状评分、疾病影响评分、血清KL-6和HRCT半定量评分均低于对照组,差异有统计学意义(P<0.05);肺功能分级和HRCT半定量评分呈正相关性(r=0.849,P<0.01)。结论芪术肺纤汤能够延缓IPF患者的肺纤维化进展,值得临床推广应用。
基金supported by the National Key Research and Development Program of China(2022YFF0801803)the National Natural Science Foundation of China(42161144008).
文摘Trading water for carbon has cautioned large-scale afforestation in global drylands.However,model simulations suggested that the consumption of soil water could be partially offset by increasing precipitation due to vegetation feedback.A systematic meta-analysis of long-term and large-scale field observations is urgently required to address the abovementioned limitations,and the implementation of large-scale afforestation since 1978 in northern China provides an ideal example.This study collected data comprising 1226 observations from 98 sites in northern China to assess the variation in soil water content(SWC)with stand age after afforestation and discuss the effects of tree species,precipitation and conversions of land use types on SWC.We found that the SWC has been decreased by coniferous forest and broadleaf forest at rates of 0.6 and 3.2 mm decade-1,respectively,since 1978.There is a significant declining trend of SWC with the stand age of plantations,and the optimum growth stage for plantation forest is 0-20 a in northern China.However,we found increases in SWC for the conversion from grassland to forest and in the low-precipitation region,both are corresponding to the increased SWC in coniferous forest.Our study implies that afforestation might lead to a soil water deficit crisis in northern China in the long term at the regional scale but depends on prior land use types,tree taxa and the mean annual precipitation regime,which sheds light on decision-making regarding ecological restoration policies and water resource management in drylands.
