1.New Progress of MALDI-TOF-IMS in the Study of Proteomics
Guanheng REN ; Ronghua WENG ; Yan SHI ; Ping HUANG ; Zhengdong LI ; Yu SHAO ; Kaifei DENG ; Ningguo LIU ; Yijiu CHEN
Journal of Forensic Medicine 2016;32(2):126-130
Matrix-assisted laser desorption/ionization tim e-of-flight im aging m ass spectrom etry (MALDI-TOF-IMS ) has been a classical technique for studying proteom ics in present and a tool for analyzing the distribution of proteins and sm all m olecules w ithin biological tissue sections. MALDI-TOF-IMS can analyze m ultiple unknow n com pounds in biological tissue sections sim ultaneously through a single m ea-surem ent w hich can obtain m olecule im aging of the tissue w hile m aintaining the integrity of cellular and m olecules in tissue. In recent years, im aging m ass spectrom etry technique develops relatively quickly in all biom edical dom ain. T his paper based on the relevant data and review s the present developing level of MALDI-TOF-IMS, the principle of im aging m ass spectrom etry, m ethology and the prospect in foren-sic pathology.
2.Analysis of Influencing factors of incision complications after craniocerebrovascular reconstruction
Hongchao YANG ; Tong ZHOU ; Chuanqing LI ; Yijiu YAN ; Manyi XIE
Chongqing Medicine 2024;53(10):1543-1547,1552
Objective To explore the risk factors of incision complications after cerebral revasculariza-tion.Methods The patients who underwent vascular reconstruction for craniocerebral vascular diseases in the Affiliated Hospital of Xuzhou Medical University who underwent revascularization for cerebrovascular disea-ses from January 2018 to December 2022 were retrospectively included,and the patients were divided into the incision complications group and the no incision complications group.Among them,this study documented the delayed complications following incision healing after cerebral revascularization.The baseline clinical data of patients'demographics and incisional complications after cerebral revascularization were recorded,and possi-ble influencing factors were included in a binary logistic regression analysis to analyze the influencing factors that may contribute to the occurrence of incisional complications after cerebral revascularization.Results A total of 117 patients who underwent cerebral revascularization were included,including 25 cases(21.4%)in the group with incision complications,including 7 cases(28.0%)of fat liquefaction,4 cases(16.0%)of inci-sion dehiscence,7 cases(28.0%)of incision infection,and 7 cases(28.0%)of necrosis,while 92 cases(78.6%)in the group without incisional complications.Univariate analysis showed that there was no statisti-cally significant difference in gender,age,hypertension,hyperlipidemia,smoking,drinking,disease type,and vascular reconstruction type between the patients with incision complications after cerebral revascularization and those without incision complications(P>0.05).The proportion of patients with diabetes mellitus and the frontal branches of superficial temporal artery not preserved in the incision complications group was higher than in the no incision complications group.BMI,scalp thickness,and operation time in the group with incision complications were higher than those in the no incision complications group,and the difference was statistical-ly significant(P<0.05).Multifactorial analysis showed that scalp thickness(OR=1.484,95%CI:1.024-2.149,P=0.037),BMI(OR=1.323,95%CI:1.042-1.680,P=0.021),and the absence of the frontal branch of the superficial temporal artery(OR=3.582,95%CI:1.146-11.190,P=0.028),were the main risk factors for incisional complications(P<0.05).Conclusion BMI,scalp thickness,and failure to preserve the frontal branch of the superficial temporal artery are independent risk factors for scalp incision complica-tions after cerebral revascularization.
3.Methodology for the Development of Clinical Practice Guidelines for Chinese Patent Medicine: 2.Establishment of Guideline Working Group and Management of Conflict of Interests
Yaxin CHEN ; Ning LIANG ; Lijiao YAN ; Ziteng HU ; Yujing ZHANG ; Fuqiang ZHANG ; Haili ZHANG ; Huizhen LI ; Yijiu YANG ; Jing GUO ; Nannan SHI ; Yanping WANG
Journal of Traditional Chinese Medicine 2024;65(1):50-54
This paper summarized the key points and methods in terms of the establishment of the guideline working group and the management of conflict of interests, trying to provide reference for the development of clinical practice guidelines for Chinese patent medicine (CPM). The establishment of the working group is the first important step for developing CPM guidelines. Considering the characteristics of the clinical practice guidelines for CPM, this study suggests that the three key elements of ‘multidisciplinarity’, ‘clinical relevance’ and ‘geographical representativeness’ should be put focus on when forming the working group. The guideline advisory committee, clinical expert group, evidence systematic evaluation group, secretary group and the external review group should be established. All group members should clarify the conflict of interest, and the process and management method of the conflict of interest should be clearly reported.