1.Impact of industrial and job changes among fishermen on schistosomiasis control following fishing ban and withdrawal in Poyang Lake areas
Chinese Journal of Schistosomiasis Control 2025;37(1):81-84
Objective To investigate the industrial and job changes among fishermen and their impact on economic incomes and schistosomiasis control following fishing ban and withdrawal in Poyang Lake areas, so as to provide insights into formulation of the schistosomiasis control strategy in these areas. Methods One township was selected as the study area from each of Duchang County, Poyang County and Yugan County around the Poyang Lake areas from May to June, 2023, and at least 500 fishermen at ages of 60 years and less were sampled from each township. Questionnaires were allocated to all subjects via the “Questionnaire Star” platform, including demographics, ratio of profits from different production activities before and after fishing ban and withdrawal, contact with infested water before and after fishing ban and withdrawal, and changes in household economic income before and after fishing ban and withdrawal. Subjects’ schistosomiasis examination and treatment data, and development of schistosomiasis hepatic fibrosis and advanced schistosomiasis were collected from 2016 to 2023. The changes in economic incomes, contact with infested water, sero-prevalence of human schistosomiasis, and proportions of schistosomiasis examinations and treatments were compared among study subjects. Results A total of 2 449 fishermen with an average age of (49.55 ± 8.86) years were investigated, including 1 654 full-time fishermen (67.54%) and 795 part-time fishermen (32.46%). The ratios of profits from fishing activities reduced from 88.15% and 34.82% before fishing ban and withdrawal to < 0.01% and 0.03% after fishing ban and withdrawal among full-time and part-time fishermen, while the ratios of profits from other production activities increased. The proportion of full-time fishermen who thought a reduction or a large reduction in their economic incomes was 79.93% (1 322/1 654), which was higher than that (66.79%, 531/795) of part-time fishermen (χ2 = 50. 307, P < 0.001), and the proportion of part-time fishermen who thought minor changes in their economic incomes was 15.60% (124/795), which was higher than that (4.11%, 68/1 654) of full-time fishermen (χ2 = 96.274, P < 0.001). There was a reduction in the contact with infested water among fishermen following fishing ban and withdrawal, and the proportions of respondents that had no contact, a large reduction in contact and a reduction in contact with infested water were 14.74% (361/2 449), 57.78% (1 415/2 449) and 26.05% (638/2 449), respectively. In addition, the sero-prevalence of schistosomiasis, and proportions of schistosomiasis examinations and treatments decreased from 9.79%, 87.14%, and 97.80% in 2016 to 4.38%, 53.16%, and 71. 51% in 2023 among fishermen in Duchang County, Poyang County and Yugan County (χ2 = 6.944, 865.194, 238.953, all P values < 0.01), and the prevalence of schistosomiasis liver fibrosis and advanced schistosomiasis was 42.64% (826/1 937) and 6.08% (149/2 449) among study subjects, respectively. Conclusions Industrial and job changes among fishermen are beneficial for schistosomiasis control after fishing ban and withdrawal in Poyang Lake areas; however, there is an increased difficulty for management of fishermen due to an increase in number of migrant labors and other factors.
2.Shenqi Dihuang Decoction Improves Renal Function in Mouse Model of Diabetic Kidney Disease by Inhibiting Arachidonic Acid-related Ferroptosis Via ACSL4/LPCAT3/ALOX15 Axis
Yuantao WU ; Zhibin WANG ; Xinying FU ; Xiaoling ZOU ; Wenxiao HU ; Yixian ZOU ; Jun FENG
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(12):140-149
ObjectiveTo investigate the therapeutic effects and mechanism of Shenqi Dihuang decoction (SQDHD) on diabetic kidney disease (DKD), with a focus on its impact on arachidonic acid-related ferroptosis. MethodsSixty C57BL/6 mice were allocated into a normal group (n=10) and a modeling group (n=50), with 43 mice successfully modeled. The successfully modeled mice were further allocated into model, low-, medium-, and high-dose (4.68, 9.36, and 18.72 g·kg-1, respectively) SQDHD, and dapagliflozin (0.13 mg·kg-1) groups. The drug treatment groups were administrated with corresponding agents by gavage, and the normal and model groups were administrated with equal volumes of normal saline by gavage. An electronic balance and a glucometer were used to monitor the body weight and fasting blood glucose level from the tail tip, respectively. Serum creatinine (Scr) and blood urea nitrogen (BUN) levels were measured by enzyme-linked immunosorbent assay (ELISA). Histopathological changes in the renal tissue were assessed by hematoxylin-eosin staining, Masson staining, and periodic acid-Schiff (PAS) staining. The fluorescence intensity of reactive oxygen species (ROS) in frozen sections was observed by an inverted fluorescence microscope to evaluate the levels of ferrous ions (Fe2+) and lipid peroxidation in the renal tissue. Immunofluorescence staining of glutathione peroxidase 4 (GPX4) and acyl-CoA synthetase long-chain family member 4 (ACSL4) in the renal tissue was performed to detect their localization and expression. Western blot was employed to assess the expression levels of key ferroptosis proteins such as GPX4 and cystine/glutamate antiporter (xCT), as well as the arachidonic acid metabolic pathway-related proteins, including ACSL4, lysophosphatidylcholine acyltransferase 3 (LPCAT3), and arachidonate 15-lipoxygenase (ALOX15). Real-time PCR was employed to measure the mRNA levels of key ferroptosis proteins, including solute carrier family 7 member 11 (SLC7A11) and GPX4, as well as arachidonic acid metabolism-related factors (ACSL4, LPCAT3, and ALOX15) in the renal tissue. ResultsCompared with the normal group, DKD model mice exhibited a decrease in body weight (P<0.01), increases in levels of blood glucose (P<0.01), 24-hour urinary protein, Scr, and BUN (P<0.01), along with severe pathological changes, such as mesangial cell proliferation, basement membrane thickening, tubular atrophy, and interstitial inflammatory cell infiltration. In addition, the modeling elevated the levels of Fe2+, MDA, LPO, and ROS (P<0.01), lowered the GPX4 and xCT levels (P<0.01), raised the ACSL4, LPCAT3, and ALOX15 levels (P<0.01), down-regulated the mRNA levels of GPX4 and SLC7A11 (P<0.01), and up-regulated the mRNA levels of ACSL4, LPCAT3, and ALOX15 (P<0.01) in the renal tissue. Compared with the model group, low-, medium-, and high-dose SQDHD groups and the dapagliflozin group showed an increase in body weight (P<0.01), decreases in levels of blood glucose (P<0.01), 24-hour urinary protein, and Scr (P<0.01), alleviated pathological changes in glomeruli and tubules, and reduced degree of glomerular and tubular fibrosis. The high-dose SQDHD group and the dapagliflozin group showed reductions in Fe2+, MDA, LPO, and ROS levels (P<0.01). The medium- and high-dose SQDHD groups and the dapagliflozin group exhibited increased levels of GPX4 and xCT (P<0.01), decreased levels of ACSL4, LPCAT3, and ALOX15 (P<0.05, P<0.01), and down-regulated mRNA levels of ACSL4, LPCAT3, and ALOX15 (P<0.01). ConclusionSQDHD ameliorates DKD by inhibiting ferroptosis potentially by reducing iron ion levels, inhibiting lipid peroxidation, up-regulating GPX4 expression, and down-regulating ACSL4 expression. This study provides new insights and a theoretical basis for the treatment of DKD with traditional Chinese medicine and identifies potential targets for developing novel therapeutics for DKD.
3.Shenqi Dihuang Decoction Improves Renal Function in Mouse Model of Diabetic Kidney Disease by Inhibiting Arachidonic Acid-related Ferroptosis Via ACSL4/LPCAT3/ALOX15 Axis
Yuantao WU ; Zhibin WANG ; Xinying FU ; Xiaoling ZOU ; Wenxiao HU ; Yixian ZOU ; Jun FENG
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(12):140-149
ObjectiveTo investigate the therapeutic effects and mechanism of Shenqi Dihuang decoction (SQDHD) on diabetic kidney disease (DKD), with a focus on its impact on arachidonic acid-related ferroptosis. MethodsSixty C57BL/6 mice were allocated into a normal group (n=10) and a modeling group (n=50), with 43 mice successfully modeled. The successfully modeled mice were further allocated into model, low-, medium-, and high-dose (4.68, 9.36, and 18.72 g·kg-1, respectively) SQDHD, and dapagliflozin (0.13 mg·kg-1) groups. The drug treatment groups were administrated with corresponding agents by gavage, and the normal and model groups were administrated with equal volumes of normal saline by gavage. An electronic balance and a glucometer were used to monitor the body weight and fasting blood glucose level from the tail tip, respectively. Serum creatinine (Scr) and blood urea nitrogen (BUN) levels were measured by enzyme-linked immunosorbent assay (ELISA). Histopathological changes in the renal tissue were assessed by hematoxylin-eosin staining, Masson staining, and periodic acid-Schiff (PAS) staining. The fluorescence intensity of reactive oxygen species (ROS) in frozen sections was observed by an inverted fluorescence microscope to evaluate the levels of ferrous ions (Fe2+) and lipid peroxidation in the renal tissue. Immunofluorescence staining of glutathione peroxidase 4 (GPX4) and acyl-CoA synthetase long-chain family member 4 (ACSL4) in the renal tissue was performed to detect their localization and expression. Western blot was employed to assess the expression levels of key ferroptosis proteins such as GPX4 and cystine/glutamate antiporter (xCT), as well as the arachidonic acid metabolic pathway-related proteins, including ACSL4, lysophosphatidylcholine acyltransferase 3 (LPCAT3), and arachidonate 15-lipoxygenase (ALOX15). Real-time PCR was employed to measure the mRNA levels of key ferroptosis proteins, including solute carrier family 7 member 11 (SLC7A11) and GPX4, as well as arachidonic acid metabolism-related factors (ACSL4, LPCAT3, and ALOX15) in the renal tissue. ResultsCompared with the normal group, DKD model mice exhibited a decrease in body weight (P<0.01), increases in levels of blood glucose (P<0.01), 24-hour urinary protein, Scr, and BUN (P<0.01), along with severe pathological changes, such as mesangial cell proliferation, basement membrane thickening, tubular atrophy, and interstitial inflammatory cell infiltration. In addition, the modeling elevated the levels of Fe2+, MDA, LPO, and ROS (P<0.01), lowered the GPX4 and xCT levels (P<0.01), raised the ACSL4, LPCAT3, and ALOX15 levels (P<0.01), down-regulated the mRNA levels of GPX4 and SLC7A11 (P<0.01), and up-regulated the mRNA levels of ACSL4, LPCAT3, and ALOX15 (P<0.01) in the renal tissue. Compared with the model group, low-, medium-, and high-dose SQDHD groups and the dapagliflozin group showed an increase in body weight (P<0.01), decreases in levels of blood glucose (P<0.01), 24-hour urinary protein, and Scr (P<0.01), alleviated pathological changes in glomeruli and tubules, and reduced degree of glomerular and tubular fibrosis. The high-dose SQDHD group and the dapagliflozin group showed reductions in Fe2+, MDA, LPO, and ROS levels (P<0.01). The medium- and high-dose SQDHD groups and the dapagliflozin group exhibited increased levels of GPX4 and xCT (P<0.01), decreased levels of ACSL4, LPCAT3, and ALOX15 (P<0.05, P<0.01), and down-regulated mRNA levels of ACSL4, LPCAT3, and ALOX15 (P<0.01). ConclusionSQDHD ameliorates DKD by inhibiting ferroptosis potentially by reducing iron ion levels, inhibiting lipid peroxidation, up-regulating GPX4 expression, and down-regulating ACSL4 expression. This study provides new insights and a theoretical basis for the treatment of DKD with traditional Chinese medicine and identifies potential targets for developing novel therapeutics for DKD.
4.Effects of preoperative anxiety on intraoperative body temperature and incision healing in radical mastectomy under general anesthesia in the elderly
Yu-Chun YANG ; Jiao-Qing WU ; Ting-Ting LIANG ; Yu-Ping HU ; Ti-Jun DAI
Journal of Regional Anatomy and Operative Surgery 2024;33(6):525-528
Objective To explore the effects of preoperative anxiety on intraoperative body temperature,adverse reactions during recovery and incision healing in elderly patients undergoing radical mastectomy under general anesthesia.Methods A total of 139 elderly patients who underwent radical mastectomy under general anesthesia in the Fourth Affiliated Hospital of Nanjing Medical University from January 2020 to December 2022 were selected as the study objects,and they were divided into the non-anxiety group(87 cases)and the anxiety group(52 cases)according to whether they were complicated with anxiety before surgery.The nasopharyngeal temperature before surgery,after 30 minutes,60 minutes,90 minutes of surgery and at the end of surgery,the ratio of intraoperative nasopharyngeal temperature<36.0℃,the ratio of perioperative blood loss>300 mL,the occurrence of adverse reactions during the recovery period and the incision healing of patients in the two groups were compared.Results There was no statistically significant difference in the nasopharyngeal temperature before surgery and after 30 minutes of surgery of patients between the two groups(P>0.05).After 60 minutes,90 minutes of surgery and the end of surgery,the nasopharyngeal temperatures of patients in the anxiety group were lower than those in the non-anxietey group,and the differences were statistically significant(P<0.05).There were statistically significant differences in the nasopharyngeal temperature at different times of patients in the two groups(P<0.05).The ratios of patients with intraoperative nasopharyngeal temperature<36.0℃and perioperative blood loss>300 mL in the anxiety group were higher than those in the non-anxiety group,and the differences were statistically significant(P<0.05).The incidence of delayed awakening,shivering reaction,and poor postoperative incision healing in the anxiety group were higher than those in the non-anxiety group,with statistically significant differences(P<0.05).Conclusion Elderly patients undergoing radical mastectomy under general anesthesia combined with anxiety show obvious temperature drop after 60 minutes of surgery,and perioperative blood loss has significantly increased,with a higher incidence of intraoperative hypothermia,adverse reactions during recovery and poor postoperative incision healing,which should arouse clinical attention.
5.Conditional screening of recombinant proteins of Dermacentor marginatus AQPs and anti-tick effect
Jun WU ; Wenwen HE ; Hao PU ; Min JIN ; Wenyu SHI ; Aijun MA ; Tingxiang LUO ; Depeng YANG ; Bayinchahan ; Ercha HU
Chinese Journal of Veterinary Science 2024;44(7):1466-1472,1506
In order to mine candidate vaccine antigens against ticks and to control ticks safely and effectively,the aim of this study was to immunize rabbits with purified aquaporins(AQPs)rD-mAQP1,rDmAQP2 and rDmAQP3 of Dermacentor marginatus.Blood collections for Western blot and ELISA tests were performed.The anti-tick challenge was conducted.The optimal expression conditions of rDmAQP1,rDmAQP2 and rDmAQP3 were screened by SDS-PAGE gel electrophore-sis.The three recombinant proteins were purified by HisSepNi-NTA6FF purification column.Rab-bits were divided into four groups of three rabbits each,including a control group and three immu-nized groups.The three purified recombinant proteins were separately immunized to three groups of rabbits,and the rabbits were immunized once on the 0th,14th and 21st day.Blood samples were collected every 7 days to prepare polyclonal antibodies.The reactivity was detected by Western blot and the antibody titer was detected by ELISA.Tick challenge test was carried out after the anti-body titer increased.The results showed that the optimal expression conditions for rDmAQP1 were induced for 8 h at IPTG concentration of 1.0 mmol/L and 37 ℃;the optimal expression conditions for rDmAQP2 were induced for 7 h at IPTG concentration of 1.0 mmol/L and 37 ℃;and the opti-mal expression conditions for rDmAQP3 were induced for 5 h at IPTG concentration of 1.0 mmol/L and 37 ℃.Western blot results showed that rDmAQP1,rDmAQP2 and rDmAQP3 all had certain reactivity.The ELISA results showed that the antibody titers of rabbits immunized with rD-mAQP1,rDmAQP2 and rDmAQP3 were as follows:the total anti-tick effect of rDmAQP1 protein was 79.74%,and the inhibition rates on average full-blooded tick weight,average egg weight and average egg hatching rate were 9.43%,25.17%and 63.81%,respectively.The total anti-tick effect of rDmAQP2 protein was 78.78%,and the inhibition rates of average full-blooded tick weight,av-erage egg weight and average egg hatching rate of Dermacentor marginatus were 8.30%,20.14%and 68.26%,respectively.The total anti-tick effect of rDmAQP3 protein was 87.91%,and the inhi-bition rates of average full-blooded tick weight,average egg weight and average egg hatching rate were 3.23%,22.47%and 80.5%,respectively.Through serological test and anti-tick test,it has been found that rDmAQP1,rDmAQP2 and rDmAQP3 all have the potential of candidate antigens against ticks,among which rDmAQP3 has the best immune effect,which lays a foundation for the study of the function of rDmAQP1,rDmAQP2 and rDmAQP3.
6.MaxEnt moder-based prediction of suitable area distribution and observation of life cycle of Dermacentor nuttallii in Xinjiang region of China
Yan LIU ; Guangxin SHI ; Wenwen HE ; Jun WU ; Chengxu YAN ; Min JIN ; Ercha HU ; Qingyong GUO ; Bayinchahan GAILIKE
Chinese Journal of Veterinary Science 2024;44(11):2424-2434
To predict the distribution and habitat of Dermacentor nuttallii in Xinjiang and to under-stand its life cycle history.In this study,Maximum Entropy Modeling(MaxEnt)was used to pre-dict the geographical distribution and adaptation area of Dermacentor nuttallii in Xinjiang,and jackknife test and response curve of environmental variables were used to evaluate the environmen-tal factors affecting the distribution of Dermacentor nuttallii.Dermacentor samples were collected randomly based on predicted sites.The species of Dermacentor was identified by the combination of morphological characteristics and molecular biology.The New Zealand white rabbit was the only blood donor,and the life cycle and biological characteristics of the tick were observed and recorded by the method of earmuffs feeding under natural light in the laboratory.The jackknife test and SPSS analysis results showed that the main environmental variables affecting the distribution of suitable areas of Dermacentor nuttallii were average temperature(Bio1),average daily tempera-ture range(Bio2),seasonal temperature change(Bio4),driest month precipitation(Bio14),precip-itation variation coefficient(Bio15).The response curves of major environmental variables showed that Dermacentor nuttallii had the highest presence probability when Bio1 was 15.58 ℃,Bio2 was 6.19 ℃,Bio4 had a coefficient of variation of 1 500,Bio14 had a coefficient of variation of 20 mm,Bio15 had a coefficient of variation of 23.799 and Bio19 was 69 mm.The prediction results showed that the suitable areas of Dermacentor nuttallii in Xinjiang were Tianshan Mountain range in Junggar Basin,Turpan basin in Altai Mountain valley and some areas south of Tianshan Mountain range,accounting for 50.99%of the total area of Xinjiang.Dermacentor were collected from the predicted area according to MaxEnt model and identified as Dermacentor nuttallii by morphologi-cal and molecular biological methods.The full blood stage was 5.31 d,the degeneration stage was 8.19 d,and the degeneration rate reached 95.5%.If the full blood stage was 8.65 d and the degener-ation stage was 12.86 d,the degeneration rate reached 98%.The full blood stage of adult ticks was 6.75 d,the early egg stage of full blood females was 5.86 d,and the spawning stage of full blood fe-males was 12.5 d.The eggs hatched into young ticks after 25.92 d,and the hatching rate reached 90%.Dermacentor nuttallii took 62-107 d to complete a life history,with an average of 86.06 d.The constructed MaxEnt model has high prediction accuracy and accuracy.According to the varia-ble analysis of the main environmental factors,precipitation and temperature are the main environ-mental factors affecting Dermacentor nuttallii.The study of the whole life cycle of Dermacentor nuttallii in Xinjiang provides the basis for establishing the method of artificial breeding of pure species of Dermacentor nuttallii in Xinjiang.
7.Clinical application and research development of coronary flow capacity
Yanhui WANG ; Ping WU ; Yuanyuan LI ; Jun ZHANG ; Yingqi HU ; Xin DIAO ; Sijin LI
Chinese Journal of Nuclear Medicine and Molecular Imaging 2024;44(11):697-700
Coronary flow capacity (CFC) is a relatively new perfusion index reflecting the vasodilator capacity of the coronary circulation, which can be obtained by a variety of invasive or non-invasive methods. CFC, combining stress myocardial blood flow (sMBF) with coronary flow reserve (CFR), can achieve a more comprehensive assessment of myocardial perfusion, thus providing a strong basis of accurate guide in the diagnosis, risk stratification, and treatment strategy of ischemic heart disease. This article reviews CFC and its significance, clinical application and progress.
8.HuiNet report of 2023: The distribution and antimicrobial resistance profile of clinical bacterial isolates in Anhui
Yanyan LIU ; Yasheng LI ; Liang YU ; Yi YANG ; Ting WU ; Jun YIN ; Lifen HU ; Ying YE ; Jiabin LI
Chinese Journal of Clinical Infectious Diseases 2024;17(2):113-125
Objective:To analyse the distribution and antimicrobial resistance profile of clinical bacterial isolates in Anhui province.Methods:Surveillance data was collected from 83 members of the Anhui Antimicrobial Resistance Surveillance Network(HuiNet)during October 2022 to September 2023,to analyze the resistance of major bacteria to commonly used antibiotics and the detection of clinically common drug-resistant bacteria. The data was analyzed using WHONET 5.6 and SPSS 25.0 software.Results:A total of 201 647 clinical bacteria isolates were collected,with Gram-negative bacteria accounting for 74.8%(150 847/201 647). The most prevalent Gram-positive bacterial strains were Staphylococus aureus(32.8%,16 648/50 800),followed by Staphylococcus epidermidis(14.0%,7 098/50 800), Enterococcus faecalis(10.7%,5 458/50 800), Enterococcus faecium(9.1%,4 613/50 800)and Staphylococcus hominis(7.4%,3 778/50 800);the most prevalent Gram-negative bacterial strains were Escherichia coli(28.9%,43 577/150 847),followed by Klebsiella pneumoniae(22.5%,34 006/150 847), Pseudomonas aeruginosa(14.7%,22 171/150 847), Acinetobacter baumannii complex(9.4%,14 194/150 847)and Enterobacter cloacae(3.5%,5 235/150 847). The prevalence of methicillin-resistant Staphylococcus aureus(MRSA)and methicillin-resistant coagulase-negative Staphylococcus aureus(MRCNS)were 39.5%(6 442/16 325)and 75.7%(12 343/16 312),respectively. No vancomycin- and teicolanin-resistant Staphylococcus were detected. The prevalence of vancomycin-resistant Enterococcus faecium and Enterococcus faecalis were 0.5% and 0.6%,respectively. The prevalence of carbapenem-resistant Escherichia coli and Klebsiella pneumoniae(CR-KPN)were 1.9%(805/42 956)and 11.7%(3 950/33 761),respectively. The resistance rate of CR-KPN to tigecycline was 3.9%. The prevalence of carbapenem-resistant Pseudomonas aeruginosa(CR-PAE)and Acinetobacter baumannii(CR-ABA)complex were 18.4%(3 936/21 447)and 62.9%(8 649/13 744),respectively,with low resistance rate to polycolistin B(6.9% and 1.7%,respectively). The detection rates of MRSA,CR-ABA complex,third-generation cephalosporin-resistant Escherichia coli(CTX/CRO-R-ECO)and quinolone-resistant Escherichia coli(QNR-ECO)in northern Anhui were the highest(50.3%,72.9%,59.2% and 55.6%,respectively),which were higher than those in central and southern Anhui( χ2=112.734 and 575.069,132.747 and 233.885,93.986 and 471.209,60.062 and 230.669,all P<0.001),and the detection rate in central Anhui was higher than that in southern Anhui( χ2=278.671,29.219,207.395 and 80.267,all P<0.001). The detection rates of CR-KPN and thirdgeneration cephalosporinresistant Klebsiella pneumoniae(CTX/CRO-R-KPN)in central Anhui were the highest(15.5% and 33.3%,respectively),which were higher than those in northern and southern Anhui( χ2=156.237 and 325.533,76.928 and 180.686,all P<0.001),and the detection rate in northern Anhui was higher than that in southern Anhui( χ2=32.202 and 25.539, P<0.001). The detection rates of CTX/CRO-R-ECO and QNR-ECO were the highest in the elderly(55.2% and 55.8%,respectively),which were higher than those in children,and young and middle aged adults( χ2=23.906 and 120.575,376.404 and 196.612, P<0.001). The detection rate of CTX/CRO-R-KPN in neonates was the highest(57.1%),which was significantly higher than that in children,adults and the elderly( χ2=46.141,38.843 and 32.093, P<0.001),and the detection rate in the elderly was higher than that in children and adults( χ2=13.604 and 13.471, P<0.001). The detection rates of MRSA and MRCNS were the highest in children(42.8% and 77.8%,respectively),which were higher than those in adults( χ2=21.766 and 10.704, P<0.001). Except MRSA and vancomycin-resistant Enterococcus faecium and faecalis,the detection rates of major drug-resistant bacteria in tertiary hospitals were higher than those in secondary hospitals( P<0.05 or <0.01). Conclusion:In 2023,the situation of antimicrobial resistance in Anhui province was serious,especially in northern and central Anhui,and targeted drug resistance control measures should be taken according to the monitoring results. At the same time,it is necessary to pay attention to the bacterial resistance in the elderly,newborns and children,and strengthen the rational use of antibiotics by clinicians to curb the spread of drug-resistant bacteria.
9.The efficacy and safety of protein A immunoadsorption combined with rituximab treatment for highly sensitized patients undergoing haplo-hematopoietic stem cell transplantation
Ling LI ; Wenjuan ZHU ; Qian ZHU ; Shiyuan ZHOU ; Chao MA ; Jun WANG ; Xiaohui HU ; Yue HAN ; Ying WANG ; Xiaowen TANG ; Xiao MA ; Suning CHEN ; Huiying QIU ; Luyao CHEN ; Jun HE ; Depei WU ; Xiaojin WU
Chinese Journal of Hematology 2024;45(5):468-474
Objective:To investigate the efficacy and safety of protein A immunoadsorption (PAIA) combined with rituximab (RTX) in highly sensitized patients who underwent haplo-hematopoietic stem cell transplantation (haplo-HSCT) .Methods:The clinical data of 56 highly sensitized patients treated with PAIA and RTX before haplo-HSCT at the First Affiliated Hospital of Soochow University and Soochow Hopes Hematonosis Hospital between March 2021 and June 2023 were retrospectively analyzed. The number of human leukocyte antigen (HLA) antibody types and the mean fluorescence intensity (MFI), humoral immunity, adverse reactions during adsorption, and survival within 100 days before and after adsorption were measured.Results:After receiving the PAIA treatment, the median MFI of patients containing only HLA Ⅰ antibodies decreased from 7 859 (3 209-12 444) to 3 719 (0-8 275) ( P<0.001), and the median MFI of HLA Ⅰ+Ⅱ antibodies decreased from 5 476 (1 977-12 382) to 3 714 (0-11 074) ( P=0.035). The median MFI of patients with positive anti-donor-specific antibodies decreased from 8 779 (2 697-18 659) to 4 524 (0–15 989) ( P<0.001). The number of HLA-A, B, C, DR, and DQ antibodies in all patients decreased after the PAIA treatment, and the differences were statistically significant (A, B, C, DR: P<0.001, DQ: P<0.01). The humoral immune monitoring before and after the PAIA treatment showed a significant decrease in the number of IgG and complement C3 ( P<0.001 and P=0.002, respectively). Forty-four patients underwent HLA antibody monitoring after transplantation, and the overall MFI and number of antibody types decreased. However, five patients developed new antibodies with low MFI, and nine patients continued to have high MFI. The overall survival, disease-free survival, non-recurrent mortality, and cumulative recurrence rates at 100 days post-transplantation were 83.8%, 80.2%, 16.1%, and 4.5%, respectively. Conclusions:The combination of PAIA and RTX has a certain therapeutic effect and good safety in the desensitization treatment of highly sensitive patients before haplo-HSCT.
10.Current status and prospects of exoskeletons applied in medical service support
Yao-Rui YU ; Xue-Jun HU ; Kun-Peng WU ; Jing-Guang PAN ; Huo-Liang CHEN ; Jie REN ; Wei JIANG
Chinese Medical Equipment Journal 2024;45(3):71-75
The current status of exoskeletons was introduced in enhancing individual soldier's battlefield rescue capabilities,promoting the integrated use of battlefield rescue equipment,protecting medical personnel on the battlefield and assisting injured soldiers in rehabilitation training.The challenges of exoskeletons faced in human-machine interaction,power supply endurance,heavy overall structure,restricted movement and high cost were analyzed when applied to medical service support,and some suggestions were proposed accordingly including enhancing technology research and development,integrated application,communication and cooperation and personnel training.References were provided for the application of exoskeletons in China's medical service support.[Chinese Medical Equipment Journal,2024,45(3):71-75]

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