1.Application of ultrasound-guided liver puncture biopsy followed by coaxial biopsy needle tract radiofrequency ablation in patients with hepatocellular carcinoma at risk of bleeding
Sitong WU ; Hao CHENG ; Siyuan FAN ; Yong XIE ; Zechuan LIU ; Tianshi LYU ; Li SONG ; Xiaoqiang TONG ; Yinghua ZOU ; Hong ZHAO ; Jian WANG
Chinese Journal of Hepatobiliary Surgery 2025;31(7):515-518
Objective:To analyse the effect of ultrasound-guided percutaneous liver biopsy and the coaxial biopsy needle tract radiofrequency ablation on patients diagnosed with hepatocellular carcinoma who are considered to be at risk of bleeding.Methods:The data of 117 patients with hepatocellular carcinoma who underwent coaxial biopsy needle tract radiofrequency ablation after ultrasound-guided percutaneous liver biopsy in Peking University First Hospital from March 2019 to April 2023 were retrospectively analysed. There were 95 males and 22 females, with the age of (62.0±11.8) years. A comprehensive analysis was conducted on the following variables: the pre-puncture platelet count, the international standardised ratio, anticoagulation therapy, the haemoglobin (Hb) level, the success rate of the liver puncture, the qualified rate of liver puncture specimens, the number of puncture samples, the length of hospital stay, the Hb level after puncture, bleeding within 10 days post-operation, and complications after ablation, including biliary fistula, hemothorax and organ perforation.Results:Among the 117 patients, 60 cases (51.3%) had an international normalized ratio >1.1, 40 cases (34.2%) had thrombocytopenia, that is, <150×10 9/L, and 17 cases (14.5%) received continuous anticoagulation therapy before the operation. It is evident that all 117 patients successfully completed the ultrasound-guided percutaneous liver biopsy, and that all liver biopsy specimens were qualified. The absence of biliary fistula, hemothorax, organ perforation or death in the patients post-ablation was noted. According to the adverse event evaluation criteria, version 5.0, 113 cases (96.6%) were classified as grade 1 and 4 cases (3.4%) were classified as grade 3. The Hb concentration of patients with minor bleeding (grade 1) prior to puncture was (119.7±22.2) g/L, which was significantly higher than the Hb concentration of patients with severe bleeding (grade 3), (76.0±10.4) g/L ( t=3.92, P=0.010). A meticulous examination of the data revealed that there were no statistically significant differences between the two groups with regard to pre-puncture platelet count, pre-puncture international standardised ratio, pre-puncture proportion of receiving anticoagulant drugs, length of hospital stay and number of puncture samples (all P>0.05). Conclusion:For patients with hepatocellular carcinoma who are at risk of bleeding, ultrasound-guided percutaneous liver biopsy followed by coaxial biopsy needle tract radiofrequency ablation can obtain satisfactory liver tissue samples and is relatively safe. There were differences in hemoglobin levels before puncture among patients with different bleeding after puncture.
2.Application of ultrasound-guided liver puncture biopsy followed by coaxial biopsy needle tract radiofrequency ablation in patients with hepatocellular carcinoma at risk of bleeding
Sitong WU ; Hao CHENG ; Siyuan FAN ; Yong XIE ; Zechuan LIU ; Tianshi LYU ; Li SONG ; Xiaoqiang TONG ; Yinghua ZOU ; Hong ZHAO ; Jian WANG
Chinese Journal of Hepatobiliary Surgery 2025;31(7):515-518
Objective:To analyse the effect of ultrasound-guided percutaneous liver biopsy and the coaxial biopsy needle tract radiofrequency ablation on patients diagnosed with hepatocellular carcinoma who are considered to be at risk of bleeding.Methods:The data of 117 patients with hepatocellular carcinoma who underwent coaxial biopsy needle tract radiofrequency ablation after ultrasound-guided percutaneous liver biopsy in Peking University First Hospital from March 2019 to April 2023 were retrospectively analysed. There were 95 males and 22 females, with the age of (62.0±11.8) years. A comprehensive analysis was conducted on the following variables: the pre-puncture platelet count, the international standardised ratio, anticoagulation therapy, the haemoglobin (Hb) level, the success rate of the liver puncture, the qualified rate of liver puncture specimens, the number of puncture samples, the length of hospital stay, the Hb level after puncture, bleeding within 10 days post-operation, and complications after ablation, including biliary fistula, hemothorax and organ perforation.Results:Among the 117 patients, 60 cases (51.3%) had an international normalized ratio >1.1, 40 cases (34.2%) had thrombocytopenia, that is, <150×10 9/L, and 17 cases (14.5%) received continuous anticoagulation therapy before the operation. It is evident that all 117 patients successfully completed the ultrasound-guided percutaneous liver biopsy, and that all liver biopsy specimens were qualified. The absence of biliary fistula, hemothorax, organ perforation or death in the patients post-ablation was noted. According to the adverse event evaluation criteria, version 5.0, 113 cases (96.6%) were classified as grade 1 and 4 cases (3.4%) were classified as grade 3. The Hb concentration of patients with minor bleeding (grade 1) prior to puncture was (119.7±22.2) g/L, which was significantly higher than the Hb concentration of patients with severe bleeding (grade 3), (76.0±10.4) g/L ( t=3.92, P=0.010). A meticulous examination of the data revealed that there were no statistically significant differences between the two groups with regard to pre-puncture platelet count, pre-puncture international standardised ratio, pre-puncture proportion of receiving anticoagulant drugs, length of hospital stay and number of puncture samples (all P>0.05). Conclusion:For patients with hepatocellular carcinoma who are at risk of bleeding, ultrasound-guided percutaneous liver biopsy followed by coaxial biopsy needle tract radiofrequency ablation can obtain satisfactory liver tissue samples and is relatively safe. There were differences in hemoglobin levels before puncture among patients with different bleeding after puncture.
3.Relationship between lumbar disc herniation and vertebral BMD of CT quantitative analysis
Haibo LIU ; Fengwei CAI ; Wujun ZHANG ; Yinghua HE
China Medical Equipment 2025;22(5):48-52
Objective:To investigate the relationship between lumbar disc herniation and vertebral bone mineral density(BMD)of quantitative analysis of computed tomography(CT).Methods:Eighty patients with lumbar disc herniation who admitted to Beijing Tongzhou District Hospital of Integrated Traditional Chinese and Western Medicine from May 2022 to June 2024 were included in the case group,and 30 healthy volunteers who underwent physical examination in hospital were included in the healthy control group during the same period.The vertebral BMD of all subjects was quantitatively analyzed by CT.The data,lumbar BMD value,lumbar bone mass loss and osteoporosis distribution of the two groups were compared at baseline.Results:There were no significant differences in gender,age,body mass index(BMI)and abdominal circumference of baseline data between the case group and the healthy control group(P>0.05).The BMD value of the fourth lumbar vertebra(L4)in the case group was lower than that in the healthy control group,and the difference was statistically significant(t=1.991,P<0.05).There were no significant differences in BMD value and mean BMD(Lmean BMD)of the fifth lumbar vertebra(L5)between the case group and the healthy control group(P>0.05).There was no statistically significant difference in the lumbar BMD value of healthy control group between different genders(P>0.05),and there was significant difference in Lmean BMD between different genders in the case group(t=2.063,P<0.05),while there were no statistically significant difference in the L4 BMD and L5 BMD of the case group between different genders(P>0.05).The difference of Lmean BMD values of the persons with same gender(male,female)between the case group and the healthy control group were statistically significant(t=2.570,3.300,P<0.05).The ratio of normal lumbar bone mass in the case group was 48.75%,which was lower than that in the healthy control group(70.00%),and the difference was statistically significant(x2=3.974,P<0.05).The ratio of osteoporosis in the case group was 18.75%,which was higher than that in the healthy control group(3.33%),and the difference of that between two groups was significant(x2=4.172,P<0.05).There was no significant difference in the ratio of bone mass loss between the two groups(P>0.05).Conclusion:CT quantitative analysis shows that the vertebral BMD value of the patients with lumbar disc herniation is significantly lower than that of persons of the healthy control group,which indicates that the decrease of BMD value might be related to the occurrence of lumbar disc herniation.
4.Study on the Mechanism of Tongluo Baoshen Decoction in Regulating Gprc5b/NF-κB/NLRP3 Pathway to Improve Podocyte Injury in IgA Nephropathy Rats
Yongfang LIU ; Li ZHOU ; Huiyang LIU ; Jianfeng DAI ; Yinghua LIU ; Bangming CHEN ; Xuefei LIN ; Taiwang YANG ; Xingyu LIU ; Yi FU
Chinese Journal of Information on Traditional Chinese Medicine 2025;32(6):112-120
Objective To explore the mechanism of Tongluo Baoshen Decoction in improving podocyte injury in rats with IgA nephropathy based on Gprc5b/NF-κB/NLRP3 pathway.Methods Totally 130 SPF-grade male SD rats were randomly divided into a normal group(n=20)and a modeling group(n=110).The IgA nephropathy model was established using a compound modeling method,and 100 modeling rats were randomly divided into model group,losartan potassium group(5 mg/kg),and Tongluo Baoshen Decoction low-,medium-,and high-dosage groups(5.3,10.6,21.2 g/kg),with 20 rats in each group.The administration group was given the corresponding dosage of medication by gavage,while the normal group and model group were given an equal amount of distilled water by gavage once a day.After 4 and 8 weeks of administration,urine samples were collected for 24 hours,and blood and kidney tissue specimens were collected.24-hour urinary protein quantification(24 h-UTP),urinary Nephrin,serum creatinine(SCr),blood urea nitrogen(BUN)and blood uric acid(BUA)contents were detected;RT-qPCR and Western blot were used to detect the expressions of G protein coupled receptor C-family 5b(Gprc5b),nuclear factor(NF)-κB p50,NOD like receptor protein 3(NLRP3),Caspase-1,interleukin(IL)-1β,Nephrin mRNA and protein in renal tissue,respectively;HE,PAS,PASM,Masson staining were used to observe the morphology of renal tissue,immunofluorescence was used to observe IgA deposition in the mesangial area of renal tissue,and transmission electron microscopy was used to observe the ultrastructure of podocytes.Results Compared with the normal group,the model group rats showed significantly increased contents of 24 h-UTP,urinary Nephrin and BUA(P<0.01),the mRNA and protein expressions of Gprc5b,NF-κB p50,NLRP3,Caspase-1 and IL-1β in renal tissue were significantly increased(P<0.01),while the mRNA and protein expressions of Nephrin were significantly decreased(P<0.01),with mild to moderate proliferation of mesangial cells in the glomerulus,increased mesangial matrix,and immunofluorescence showed clustered and linear deposition of IgA in the mesangial area,electron microscopy showed partial fusion of the foot processes.Compared with the model group,the 24 h-UTP and urinary Nephrin contents in different dosage groups of Tongluo Baoshen Decoction and the losartan potassium group after 4 and 8 weeks administration significantly decreased(P<0.01),with a decrease in BUA content in Tongluo Baoshen Decoction high-dosage group(P<0.05),the mRNA and protein expressions of Gprc5b,NF-κB p50,NLRP3,Caspase-1 and IL-1β in renal tissue of Tongluo Baoshen Decoction groups and losartan potassium group decreased(P<0.05,P<0.01),while the mRNA and protein expressions of Nephrin increased(P<0.05,P<0.01),with the proliferation of mesangial cells,the increase of mesangial matrix,the deposition of IgA in the mesangial area,and the fusion of foot processes in renal tissue were alleviated to varying degrees in different dosage groups of Tongluo Baoshen Decoction,with the most significant improvement observed in the high-dosage group.Compared with the 4-week administration,Tongluo Baoshen Decoction high-dose group showed further reductions in 24 h-UTP and urinary Nephrin contents after 8 weeks of administration(P<0.01),further decreases in the mRNA and protein expressions of Gprc5b,NF-κB p50,NLRP3,Caspase-1 and IL-1β in renal tissue(P<0.05,P<0.01),and further increases in the mRNA and protein expressions of Nephrin(P<0.01).Conclusion Tongluo Baoshen Decoction can reduce proteinuria,alleviate renal tissue lesions and improve podocyte injury in IgA nephropathy rats,and its mechanism may be related to the inhibition of Gprc5b/NF-κB/NLRP3 pathway in renal tissue.
5.Study on the Mechanism of Tongluo Baoshen Decoction Intervening IgA Nephropathy Rats
Yongfang LIU ; Rui HUANG ; Huiyang LIU ; Jianfeng DAI ; Yinghua LIU ; Xingyu LIU ; Zhiying FENG ; Tiantian YIN ; Li ZHOU
Chinese Journal of Information on Traditional Chinese Medicine 2025;32(8):105-113
Objective To observe the therapeutic effects of Tongluo Baoshen Prescription on IgA nephropathy rats;To explore its mechanism.Methods Totally 130 SD rats were randomly divided into a normal group(20 rats)and a modeling group(110 rats).After establishing the IgA nephropathy model,the modeling group was further randomly divided into the model group,losartan potassium group and Tongluo Baoshen Prescription low-,medium-and high-dosage groups,with 20 rats in each group.Tongluo Baoshen Prescription low-,medium-and high-dosage groups were administered at dosages of 5.3,10.6 and 21.2 g/kg respectively,the losartan potassium group was given with the dosage of 5 mg/kg,the normal group and model group were given an equivalent amount of distilled water by gavage once daily.Blood,urine and kidney tissue samples were collected after 4 and 8 weeks of administration.The hemoglobin content was detected,urinary IL-1β,integrin α3β1 and serum albumin contents were detected by ELISA,and the mRNA and protein expressions of NF-κB p52,NF-κB p65,Rel B,c-Rel and Desmin in renal tissue were detected by RT-qPCR and Western blot,the apoptosis of renal tissue at 8 weeks of administration was detected by TUNEL staining,the expression of C3c in renal tissue was detected by immunofluorescence,the co-expression of Gprc5b,Caspase-1,NLRP3 and Nephrin were detected by immunofluorescence double labeling,the expression of Gprc5b and Nephrin in renal tissue were detected by immunohistochemistry.Results Compared with the normal group,the model group rats showed significantly increased contents of urinary IL-1β and integrin α3β1(P<0.01),with further increases in urinary integrin α3β1 over time(P<0.05);the mRNA and protein expressions of NF-κB p52,NF-κB p65,Rel B,c-Rel and Desmin in renal tissue significantly increased(P<0.01),and the proportion of apoptosis-positive cells in renal tissue significantly increased(P<0.01),immunofluorescence results revealed that C3c exhibited granular and clumpy high-intensity deposition in the mesangial area and capillary loops of the glomeruli(P<0.01),immunofluorescence double labeling showed that the expression of Gprc5b,Caspase-1 and NLRP3 in renal tissue increased(P<0.01),while Nephrin expression significantly decreased(P<0.01),immunohistochemistry analysis showed that the positive expression of Gprc5b in renal tissue significantly increased(P<0.01),while Nephrin significantly decreased(P<0.01).Compared with the model group,the urinary IL-1β and integrin α3β1 contents in the losartan potassium group and Tongluo Baoshen Prescription groups reduced after 4 and 8 weeks of treatment(P<0.05,P<0.01);the mRNA and protein expressions of NF-κB p52,NF-κB p65,Rel B,c-Rel and Desmin in renal tissue decreased(P<0.05,P<0.01),and the proportion of apoptosis-positive cells in renal tissue decreased(P<0.05),the C3c deposition in renal tissue was diminished(P<0.05,P<0.01),immunofluorescence double labeling showed that the expression of Gprc5b,Caspase-1 and NLRP3 in renal tissue were decreased(P<0.05,P<0.01),while Nephrin expression increased(P<0.05,P<0.01),immunohistochemistry analysis showed that the positive expression of Gprc5b in renal tissue decreased(P<0.05,P<0.01),while Nephrin expression increased(P<0.05,P<0.01).Conclusion Tongluo Baoshen Prescription has a protective effect on the kidney of IgA nephropathy rats,and it can improve podocyte injury.The mechanism may be related to the inhibition of the Gprc5b/NF-κB/NLRP3 pathway.
6.Discussion on the Treatment of Tumor-related Insomnia from"Heat Toxicity"
Chongyang QU ; Yinghua LI ; Shuzhen DUAN ; Rong MA ; Chunfang TIAN ; Min LIU ; Yuanyuan GUO ; Hongzhen YIN ; Shaobo HU ; Jie LI
Chinese Journal of Information on Traditional Chinese Medicine 2025;32(7):172-175
Tumor-related insomnia is one of the common complications of tumor patients,which is secondary to tumor disease and related to tumor disease itself or tumor treatment.Combined with the unique pathogenesis of"heat-toxicity internal stagnation"of tumor-related insomnia,the important treatment methods are to clear away heat,attack toxicity,regulate qi and supplement healthy qi.This article explained the research status,etiology and pathogenesis,treatment principles of the disease,in order to provide new ideas and methods for the differentiation and treatment of tumor-related insomnia in TCM.
7.Effects of 12.5% carbohydrate solution and MCT solutions at various concentrations on gastric emptying in healthy volunteers
Jinran YANG ; Ruilan NIU ; Lin ZHENG ; Xiangrong LIU ; Xinsheng ZHANG ; Yinghua LIU
Chinese Journal of Clinical Nutrition 2025;33(1):40-47
Objective:To observe the effects of 12.5% carbohydrate (CHO) solution and medium chain triglycerides (MCT) solutions at various concentrations on gastric emptying, in order to determine the optimal MCT-CHO combination for enhanced recovery after surgery.Methods:This study was a prospective study. Ten healthy volunteers were selected to ingest 400 ml of the following 5 solutions every day: water, 12.5% CHO, 1% MCT, 2% MCT and 4% MCT. According to the above results, the optimal concentration of MCT solution was 2% MCT, showing comparable gastric emptying rate compared with 12.5% CHO solution. On this basis, combinations of MCT and CHO solutions were determined to be 30 energy % (EN%) MCT+70 EN% CHO and 20 EN% MCT+80 EN% CHO according to the energy distribution ratio. Then the volunteers were given 400 ml of the following 4 solutions every day: 12.5% CHO, 2% MCT, 30 EN% MCT+70 EN% CHO (equivalent to 2% MCT+8% CHO), and 20 EN% MCT+80 EN% CHO (equivalent to 4.4% MCT+10% CHO). Gastric emptying during fasting (T m) and immediately (T 1), 30 min (T 2), 60 min (T 3), 90 min (T 4) and 120 min after ingestion (T 5) were observed by antral ultrasonography. The degree of thirst, hunger, and anxiety was assessed by Visual Analogue Scale, and the taste was rated. Results:The gastric emptying rate in descending order was 20%EN MCT+80%EN CHO group>30%EN MCT+70%EN CHO group≈2%MCT group≈12.5%CHO group. There was no significant difference in gastric emptying rate between 30 EN% MCT+70 EN% CHO group and 12.5% CHO group ( P>0.05). The scores of thirst, hunger and anxiety in 30 EN% MCT+70 EN% CHO group at T 1 to T 5 were significantly lower than those at T m ( P<0.05). 30 EN% MCT+70 EN% CHO group showed the highest taste score. Conclusion:30 EN% MCT+70 EN% CHO solution has similar gastric emptying rate compared with 12.5% CHO solution. It can relieve thirst, hunger, anxiety and other subjective feelings caused by fasting, with tastes better than 12.5% CHO solution.
8.A novel anatomical model of the lumbar sympathetic nerve for subarachnoid-related studies via a dorsal approach
Yinghua GU ; Xin LIU ; Yan LI ; Wenxun LIU ; Weiyi MA ; Qingshan YE
Chinese Journal of Comparative Medicine 2025;35(3):100-108
Objective The study attempted to establish a less invasive model for dissecting and monitoring the sympathetic nerve in rats via a dorsal approach for subarachnoid block-related studies.Methods A traditional abdominal approach model and a new dorsal approach model were established in SD rats,and the modeling time of the two models was observed.The stability of the new model was evaluated by measuring blood pressure(BP),heart rate(HR),percentage change in lumbar sympathetic nerve activity(LSNA change%),norepinephrine(NE),and nitric oxide(NO)content after subarachnoid injection of bupivacaine.Results(1)Building a new model:the time required to create new models for the dorsal approach(DA)group was shorter than that for the traditional abdominal approach(VA)group,as shown by the result(P<0.0001).(2)Evaluation of the new model:compared with the NS group,the MAP and SBP were lower at T2(5 min after injection of bupivacaine into the subarachnoid space)and T3(10 min)(P<0.05);the LSNA change%was significantly different(P<0.05);the concentration of NE was lower at T3(P<0.05).Conclusions The study presents a novel lumbar sympathetic anatomy model using the dorsal approach for subarachnoid-related investigations,which was effectively employed to examine the impact of subarachnoid block anesthesia on lumbar sympathetic nerve activity.
9.Epidemiology and antimicrobial resistance characteristics of foodborne Salmonella diarrhea in Minhang District,Shanghai, 2019‒2023
Jing ZHU ; Hongjing YAN ; Yun LIU ; Rui TONG ; Yuan ZHUANG ; Yinghua ZHANG
Shanghai Journal of Preventive Medicine 2025;37(12):969-975
ObjectiveTo investigate the serotype distribution and antimicrobial resistance characteristics of foodborne Salmonella in infectious diarrhea cases in Minhang District, Shanghai, and to provide evidence for clinical diagnosis, treatment, prevention, and control of salmonellosis. MethodsFecal or anal swab samples were collected from foodborne diarrhea cases at sentinel hospitals between 2019 and 2023 in Minhang District of Shanghai. Salmonella was isolated, biochemically identified, and serotyped. Antimicrobial susceptibility testing was performed via the microbroth dilution method. ResultsA total of 4 294 samples were collected, from which 224 Salmonella strains were isolated, with an isolation rate of 5.22%. There was no gender difference in the positive rate of Salmonella. The positive rate showed seasonal fluctuations (χ²=160.475, P<0.001), with a higher positive rate in summer and autumn than in spring and autumn. Among different occupational groups, the positive rate was the highest among retired people (7.30%) (χ²=20.023, P=0.001). Among different age groups, the positive rate was the highest among those aged 80 years and above (7.33%) (χ²=13.491, P=0.009). A total of 28 serotypes were identified, with Salmonella Enteritidis being the most predominant, followed by Salmonella Typhimurium. Among them, 154 strains were multi-drug resistant to three or more types of antibiotics (68.75%). The most common drug resistance patterns among multi-drug resistant strains were ampicillin (AMP)-ampicillin/sulbactam (AMS)-sulfamethoxazole/trimethoprim (SXT)-chloramphenicol (CHL)-tetracycline (TET)-streptomycin (STR), AMP-TET-STR and AMP-AMS-TET-STR, with 9 strains being detected in each isolates. ConclusionThe positive rate of foodborne Salmonella in Minhang District, Shanghai, is high in summer and autumn, with a higher infection rate among retired people and those aged 60 years and above being the high-risk group. It is recommended to strengthen the protection for high-risk groups, implement targeted prevention and control measures in summer and autumn to reduce the risk of infection, and pay attention to guiding clinical medication and infection control.
10.Study on subacute toxicity of p-chloro-m-xylenol in rats
Shufei LI ; Qinghong ZHOU ; Miao ZHAO ; Yinghua LIU ; Dianming ZHOU ; Zhiyong QIAN
Chinese Journal of Industrial Hygiene and Occupational Diseases 2025;43(7):529-532
Objective:To study the subacute oral toxic effect of p-chloro-m-xylphenol on rats and provide a basis for its safety evaluation.Methods:SPF-grade Wistar rats were randomly divided into 4 groups according to body weight stratification randomization, with 20 rats in each group, half male and half female. The set concentrations of the p-chloro-m-xylphenol dose groups were 11.25, 22.50, and 45.00 mg/kg·BW respectively, with an intragastric volume of 10 ml/kg·BW. The blank control group was given the same amount of distilled water. The rats were treated with intragastric administration for 30 days. After intraperitoneal injection of 50 mg/kg·BW pentobarbital sodium for anesthesia, bloodletting and death, the organs were separated and weighed. Blood was collected from the abdominal aorta to determine the hematological and serum biochemical indicators of the whole blood of rats. Multiple groups comparison was performed by one-way analysis of variance, and pairwise comparison between groups was performed by the least significant difference test or Dunnett-t3 test.Results:The kidney weight in the 45.00 mg/kg·BW dose group of female rats [ (1.59±0.11) g] was lower than that in the blank control group [ (1.71±0.12) g], and the difference was statistically significant ( P<0.05) . The percentage of monocytes in the 11.25 mg/kg·BW dose group of male rats [ (4.81±0.74) %] was lower than that in the blank control group [ (5.86±0.58) %], the red blood cell count [ (6.93±0.26) ×10 12/L] and hemoglobin [ (134.30±4.95) g/L] in the 22.50 mg/kg·BW dose group of female rats were both lower than those in the blank control group[ (7.48±0.26) ×10 12/L, (146.20±4.42) g/L], the percentage of eosinophils in the 11.25 mg/kg·BW dose group of female rats [ (2.46±0.86) %] was higher than that in the blank control group [ (1.66±0.41) %], and the differences were statistically significant ( P<0.05) . Conclusion:P-chloro-m-xylphenol may have toxic effects on the blood system of rats, and the kidneys may be the potential target organs for its toxicity.

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