BACKGROUND The fractional flow reserve(FFR)has made the treatment of coronary heart disease more precise.However,there are few reports on the measurement of FFR via the left internal mammary artery(LIMA).Herein,we des...BACKGROUND The fractional flow reserve(FFR)has made the treatment of coronary heart disease more precise.However,there are few reports on the measurement of FFR via the left internal mammary artery(LIMA).Herein,we described the determination of further treatments by measuring FFR via the LIMA in 2 cases after coronary artery bypass grafting(CABG).CASE SUMMARY Case 1 was a 66-year-old male who was admitted due to“chest tightness after CABG.”The patient underwent CABG 7 years prior due to coronary heart disease.Coronary artery angiography showed complete occlusion of the left anterior descending artery(LAD),and subtotal occlusion of the third segment of the right coronary artery.On arterial angiography,there was 85%stenosis at the distal end of the anastomosis of the LIMA-LAD graft.FFR via LIMA was determined at 0.75.Thus,balloon dilation was performed in Case 1.FFR after balloon dilation was 0.94.Case 2 was a 60-year-old male who was admitted due to“chest tightness after CABG.”The patient underwent CABG 6 years prior due to coronary heart disease.There was 60%segmental stenosis in the middle segment of LAD and 75%anastomotic stenosis.FFR measured via LIMA was 0.83(negative);thus the intervention was not performed.Case 2 was given drug treatments.At the 3-mo follow-up,there was no recurrence of chest tightness or shortness of breath in both cases.They are currently under continual follow-up.CONCLUSION We provided evidence that FFR measurement via grafted blood vessels,especially LIMA,after CABG is a good method to determine the intervention course.展开更多
Objective:To observe the effect of lipopolysaccharide(LPS)on cytoskeleton and the effect of Dahuang Lingxianfang on nF-KB/MAPK signaling pathway.Methods:Biliary epithelial cells of each group were stained with photoli...Objective:To observe the effect of lipopolysaccharide(LPS)on cytoskeleton and the effect of Dahuang Lingxianfang on nF-KB/MAPK signaling pathway.Methods:Biliary epithelial cells of each group were stained with photolipin fluorescent staining,and the arrangement of cytoskeleton was observed under laser confocal microscope.Western blotting was used to detect the expression of f-actin.Results:After LPS intervention,the biliary epithelial cells showed nuclear shrinkage or damage,and the skeleton was broken or lumped.The cytoskeleton was partially repaired after the intervention of pathway blocking preparation combined with RHUbarb Lingxianfang.All the other groups had different degree of cytoskeleton fracture.Compared with normal group,the expression of F-actin protein in LPS group was decreased(P<0.05);Compared with LPS group,the expression of F-actin in LPS+TCM group,LPS+PDTC+TCM group,LPS+SB203580+TCM group and LPS+PDTC+SB203580+TCM group was significantly increased(P<0.05);Compared with traditional Chinese medicine group,the expression of F-actin in LPS+PDTC+traditional Chinese medicine group,LPS+SB203580+traditional Chinese medicine group and LPS+PDTC+SB203580+traditional Chinese medicine group had no significant difference(P>0.05).Conclusion:RHUbarb Lingxianfang can restore the sequence of biliary epithelial cytoskeleton and protect its microfilament structure under inflammation,and its mechanism may be related to the regulation of NF-KB/MAPK signaling pathway.展开更多
基金Supported by China Postdoctoral Science Foundation,No.2021M693794Health Key Science and Technology Development Project of Lanzhou,No.2021006+1 种基金Lanzhou Talent Innovation and Entrepreneurship Project,No.2022-RC-51Gansu Province Double First-Class Scientific Research Key Project,No.GSSYLXM-05.
文摘BACKGROUND The fractional flow reserve(FFR)has made the treatment of coronary heart disease more precise.However,there are few reports on the measurement of FFR via the left internal mammary artery(LIMA).Herein,we described the determination of further treatments by measuring FFR via the LIMA in 2 cases after coronary artery bypass grafting(CABG).CASE SUMMARY Case 1 was a 66-year-old male who was admitted due to“chest tightness after CABG.”The patient underwent CABG 7 years prior due to coronary heart disease.Coronary artery angiography showed complete occlusion of the left anterior descending artery(LAD),and subtotal occlusion of the third segment of the right coronary artery.On arterial angiography,there was 85%stenosis at the distal end of the anastomosis of the LIMA-LAD graft.FFR via LIMA was determined at 0.75.Thus,balloon dilation was performed in Case 1.FFR after balloon dilation was 0.94.Case 2 was a 60-year-old male who was admitted due to“chest tightness after CABG.”The patient underwent CABG 6 years prior due to coronary heart disease.There was 60%segmental stenosis in the middle segment of LAD and 75%anastomotic stenosis.FFR measured via LIMA was 0.83(negative);thus the intervention was not performed.Case 2 was given drug treatments.At the 3-mo follow-up,there was no recurrence of chest tightness or shortness of breath in both cases.They are currently under continual follow-up.CONCLUSION We provided evidence that FFR measurement via grafted blood vessels,especially LIMA,after CABG is a good method to determine the intervention course.
基金Guangxi Natural Science Foundation Project(No.2020GXNSFAA238012)2021"Qihuang Project"High-level Talent Team Cultivation Project(2021006)2021 Graduate Education Innovation Project(No.YCXJ2021047)。
文摘Objective:To observe the effect of lipopolysaccharide(LPS)on cytoskeleton and the effect of Dahuang Lingxianfang on nF-KB/MAPK signaling pathway.Methods:Biliary epithelial cells of each group were stained with photolipin fluorescent staining,and the arrangement of cytoskeleton was observed under laser confocal microscope.Western blotting was used to detect the expression of f-actin.Results:After LPS intervention,the biliary epithelial cells showed nuclear shrinkage or damage,and the skeleton was broken or lumped.The cytoskeleton was partially repaired after the intervention of pathway blocking preparation combined with RHUbarb Lingxianfang.All the other groups had different degree of cytoskeleton fracture.Compared with normal group,the expression of F-actin protein in LPS group was decreased(P<0.05);Compared with LPS group,the expression of F-actin in LPS+TCM group,LPS+PDTC+TCM group,LPS+SB203580+TCM group and LPS+PDTC+SB203580+TCM group was significantly increased(P<0.05);Compared with traditional Chinese medicine group,the expression of F-actin in LPS+PDTC+traditional Chinese medicine group,LPS+SB203580+traditional Chinese medicine group and LPS+PDTC+SB203580+traditional Chinese medicine group had no significant difference(P>0.05).Conclusion:RHUbarb Lingxianfang can restore the sequence of biliary epithelial cytoskeleton and protect its microfilament structure under inflammation,and its mechanism may be related to the regulation of NF-KB/MAPK signaling pathway.
