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Objective:To analyze and summarize the clinical efficacy and safety of lymphocyte apheresis combined with plasma exchange in the treatment of patients with hepatitis B virus-related liver failure at the ascending stage.Methods:A observational study was conducted. A total of 69 hepatitis B virus-related liver failure at the ascending stage patients who were hospitalized at Affiliated Guangzhou Eighth People's Hospital of Guangzhou Medical University from January 2016 to December 2020 were enrolled in this study. The patients were grouped according to their condition and wishes, including 38 patients treated with conservative medical treatment (control group) and 31 patients treated with lymphocyte apheresis combined with plasma exchange based on comprehensive medical treatment (study group). Clinical data were compared between the two groups 1-4 weeks after treatment, including dynamic changes of total bilirubin (TBil), international normalized ratio (INR), alanine aminotransferase (ALT), model for end-stage liver disease (MELD) score, and the rate of clinical improvement at 4 weeks after treatment. In addition, the adverse effects and dynamic changes of white blood cell count (WBC), lymphocyte count (LYM), platelet count (PLT), and hemoglobin (Hb) within 4 weeks after treatment were compared between the two groups.Results:Both groups showed significant improvement in clinical parameters after 1-4 weeks of initiation of therapy. The improvement of TBil, INR and MELD score at 1-4 weeks after treatment were significantly better in the treatment group than those in the control group [TBil (μmol/L): 248 (117, 335) vs. 398 (328, 464) at 1 week, 173 (116, 278) vs. 326 (184, 476) at 2 weeks, 107 (84, 235) vs. 355 (129, 467) at 3 weeks, 70 (61, 172) vs. 290 (82, 534) at 4 weeks; INR: 1.72±0.70 vs. 2.13±0.69 at 1 week, 1.67±0.61 vs. 2.28±1.35 at 2 weeks, 1.65±0.75 vs. 2.15±0.92 at 3 weeks, 1.61±0.93 vs. 2.19±1.17 at 4 weeks; MELD score: 18.35±5.32 vs. 23.38±4.56 at 1 week, 16.47±5.16 vs. 23.71±7.94 at 2 weeks, 16.30±5.75 vs. 22.64±6.99 at 3 weeks, 14.63±6.76 vs. 20.97±8.19 at 4 weeks], with significant differences (all P < 0.05). In addition, ALT levels at 1 week and 2 weeks after treatment in the study group were significantly lower than those in the control group [U/L: 128 (93, 206) vs. 240 (167, 436) at 1 week, 64 (42, 110) vs. 85 (69, 143) at 2 weeks, both P < 0.05]. The rate of clinical improvement at 4 weeks after treatment in the study group was 54.84% (17/31), which was significantly higher than that in the control group [28.95% (11/38)], with statistically significant difference ( P < 0.05). There was no significant difference in the rate of new infection between the study group and the control group [22.58% (7/31) vs. 34.21% (13/38), P > 0.05]. Additionally, expect that the PLT level at 1 week after treatment in the study group was significantly lower than that in the control group (×10 9/L: 101±42 vs. 128±59, P < 0.01), there was no significant difference in WBC, LYM or Hb at different time points after treatment between the two groups. Conclusion:Clinical efficacy of lymphocyte apheresis combined with plasma exchange based on comprehensive medical treatment in the treatment of patients with hepatitis B virus-related liver failure at the ascending stage is superior to conservative medical treatment alone, which can improve clinical improvement rate and recovery rate of liver function with high safety.
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Pheochromocytoma/paraganglioma is an adrenal tumor that secrets catecholamines and is extremely rare in pregnant women. Its clinical presentation is lack of specificity, and the combination of low prevalence and nonspecific clinical presentation makes diagnosis and treatment difficult. In this study, the clinical data and prognosis of 5 pregnant patients with pheochromocytoma/paraganglioma were analyzed. It was found that hypertension first occurred in 4 patients during pregnancy, and the clinical manifestations of each case were different. Surgical treatment is the first choice in the treatment, patients who cannot operate can choose radionuclide therapy, chemotherapy and targeted therapy. Through follow-up, they all showed recurrence and metastasis at different times. Among them, the patients who continued to be pregnant to the middle and late stages of surgical treatment progressed rapidly, and there were multiple bone metastases throughout the body in a short period of time, and two cases died in a short period of time. Therefore, effective diagnosis, individualized treatment and lifelong follow-up are particularly important.
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OBJECTIVE：To study the anti-inflammatory effects of water extract from Inner Mongolia medicine Agi （i. e. the aerial part of Artemisia frigida ），and to preliminarily explore its mechanism. METHODS ：Totally 60 mice were randomly divided into model control group （water），aspirin group （positive control ，0.4 g/kg），Agi water extract high-dose ，medium-dose and low-dose groups （60.0，30.0，15.0 g/kg，by crude medicine ），with 12 mice in each group. After intragastric administration for consecutive 5 d，the ear swelling of mice was induced by 2，4-dinitrochlorobenzene. Another 60 mice were grouped and admini- stered by the same way ，and the foot swelling of mice was induced by carrageenan. The ear swelling degree and inhibitory rate ， paw swelling rate were calculated to evaluate the anti-inflammatory effect of Agi water extract. The contents of TNF-α，IL-1β and PGE2 in plantar inflammatory tissue induced by carrageenan in mice were determined by ELISA. The content of MDA was determined by thiobarbituric acid trace method and NO by nitrate reductase method. RESULTS ：Compared with model control group，the degrees of ear swelling of mice were decreased significantly in aspirin group and Agi water extract high-dose ， medium-dose，low-dose groups （P＜0.05 or P＜0.01），and the inhibitory rates of ear swelling were 72.3％，71.1％，52.6％， 36.8％，respectively；the paw swelling rates of mice in aspirin group and Agi high-dose，medium-dose groups were decreased significantly，while those were decreased significantly in Agi water extract low-dose group 0.5 h and 4.0 h after inducing inflammation（P＜0.05 or P＜0.01）；the contents of TNF-α，IL-1β，PGE2，NO and MDA in plantar inflammatory tissue of mice in aspirin group and Agi water extract high-dose ，medium-dose groups were decreased significantly （P＜0.05 or P＜0.01）. CONCLUSIONS：Inner Mongolia medicine Agi water extract has obvious anti-inflammatory effects on ear swelling induced by 2，4-dinitrochlorobenzene and paw swelling induced by carrageenan ，and its mechanism may be related to the inhibition of TNF-α， IL-1β and PGE2 generation，the reduction of NO and MDA excessive release in inflammatory tissues.
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Objective To investigate and analyze the relationship between hepatitis B virus (HBV) S gene mutations and the occurrence of HBV-related acute on chronic liver failure (HBV-ACLF).Methods A total of 377 patients were enrolled in this study,including 51 inactive hepatitis B surface antigen (HBsAg)carriers,78 chronic hepatitis B (CHB) patients,101 HBV-ACLF patients,69 HBV-related liver cirrhosis (LC) patients and 78 HBV-related hepatocellular carcinoma (HCC) patients.Serum samples were collected from July 2012 to September 2017 in Guangzhou Eighth People's Hospital.Nested polyoneras chain reaction (PCR) was performed for all the samples,the HBV whole genome and HBV S gene were amplified.PCR products were sequenced by Sanger sequencing method.HBV genotypes were determined by the phylogenetic tree based on HBV S gene constructed by Mega 7.0 software with the neighbor-joining method.Geneious R10.0.5 software was used to analyze the mutations of the HBV genome.The data in different groups were compared by x2 test or Fisher's exact test.The correlation analysis was done by logistic regression.Results Among the 377 patients enrolled in this study,the HBV-ACLF,CHB,inactive HBsAg carriers,and HCC patients infected with HBV genotype B were 83,51,34,31,and 35 cases respectively,and the patients infected with HBV genotype C were 18,27,17,38,and 43 cases respectively.The results of this study showed that 11 mutations were significantly higher in HBV-ACLF patients than CHB patients who were infected with HBV genotype B,including T216C,G285A and A529G in HBV S gene,A1317G in HBV enchanter I,A1762T/G1764A in basal core promoter (BCP) gene,A1846T,C1913A,G1896A,T2045A,C2078G,C2304A in HBV preC/C gene.However,no significant difference mutations were found in HBV-ACLF patients and CHB patients who were infected with HBV genotype C.In the patients infected with HBV genotype B,the prevalence of T216C (sL21S) mutation in HBV-ACLF was significantly higher than those in inactive HBsAg carriers,CHB and HCC patients (x2 =14.474,10.982,and 5.440,respectively,all P ＜ 0.05),whereas T216C mutation did not differnce between HBV-ACLF and LC patients (x2 =2.641,P =0.106).The prevalence of G285A (sG44E) mutation in HBV-ACLF was significantly higher than those in inactive HBsAg carriers,CHB,LC and HCC patients (x2 =27.301,29.287,15.719,and 16.076,respectively,all P ＜0.01).However,in the patients infected with HBV genotype C,the mutations in HBV S gene did not differnce between HBV-ACLF,inactive HBsAg carriers,CHB,LC and HCC patients (P ＞ 0.05).Logistic regression analysis showed that male (OR =6.90,95％ CI:1.52-24.39,P =0.010),hepatitis B e antigen negative (OR=4.73,95％ CI:1.60-13.94,P=0.005),HBV genotypeB (OR=4.80,95％ CI:1.82-12.16,P =0.006) and G285A mutation (OR =7.72,95％ C1:5.64-16.37,P =0.006) were the independent risk factors associated with HBV-ACLF.Conclusions The HBV S gene mutation may be associated with HBV-ACLF.
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Objective To investigate the clinical efficacy and prognosis of transcatheter arterial chemoembo-lization(TACE)combined with radiofrequency ablation(RFA)in treatment of liver cancer.Methods 64 patients of liver cancer were selected as the research subjects,and they were divided into two groups by randomized single blind method.32 cases in the control group adopted the TACE treatment,while 32 cases in the observation group were given TACE combined with RFA.The tumor shrinkage,complete necrosis rate,local recurrence rate,AFP levels and adverse reactions of the two groups were compared.The patients were followed up for 3 years to record survival.Results After treatment,the tumor shrinkage rate and complete necrosis rate of the observation group were 90.63% and 75.00%, which were significantly higher than 68.75% and 50.00% of the control group,the differences were statistically significant (χ2 =8.453,8.203,all P 0.05 ).Conclusion TACE combined with RFA in treatment of liver cancer can significantly improve the effect of tumor necrosis rate,reduce the local recurrence rate and prolong the survival time of the patients, and it had less adverse reaction,higher safety,and which should be applied in clinical.
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OBJECTIVE To investigate the clinical pathological characteristics of differentiated thyroid carcinoma (DTC) in children and adolescents. METHODS The clinical data of 30 children and adolescents with DTC were retrospectively reviewed. Meanwhile the clinical pathological characteristics of DTC were analyzed according to patients' age and gender. RESULTS Papillary thyroid carcinoma (PTC) was found in 27 cases and follicular thyroid carcinoma (FTC) in 3 cases. The average diameter of tumors was (2.56±1.1) cm. In the group of children, the incidence of lymph node metastasis was 92.3% (12/13), pulmonary metastasis was 46.2% (6/13), and those in the group of adolescents was 88.2% (15/17) and 35.3% (6/17) respectively. Children group tended to present with more vascular invasion, thyroid capsule invasion, and invasion out of thyroid, and a higher rate of cervical lymph node metastasis (P=0.025, 0.007, 0.025, 0.033). CONCLUSION Thyroid carcinoma in childhood and adolescent has a stronger invasive feature. It is easy to local invasion, lymph node and distance metastasis.
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Objective To investigate the effect of 3-bromopyruvate (3-BrPA) on transplanted rectal tumors in experimental rabbit models. Methods A total of 60 New Zealand white rabbits with transplanted rectal tumor were randomly and equally divided into low-dose (0.5 mmol/L), medium-dose (1.0 mmol/L), high-dose (2.0 mmol/L) treatment groups and saline control group with 15 rabbits in each group. Arterial perfusion of 10 ml 3-BrPA with concentration of 0.5 mmol/L, 1.0 mmol/L and 2.0 mmol/L via caudal mesenteric artery was respectively employed for the rabbits of the corresponding treatment group; the control group was perfused with equal amounts of saline. Four days later, rectal tumors were removed by vivisection. The necrosis degree of tumor cells was determined by microscopic examination, and the necrosis rate was calculated. The effect of different 3-BrPA concentrations on the rectal tumor was evaluated. Results The rectal tumor transplantation and transcatheter 3-BrPA or saline perfusion was successfully completed in all 60 experimental rabbits. Microscopically, tumor cells showed different degrees of damage in experimental rabbits. In low-dose (0.5 mmol/L) treatment group, gradeⅠnecrosis was observed in 3 rabbits, gradeⅡin 11 rabbits, and gradeⅢin one rabbit;the effective rate was 6.7%. In medium-dose (1.0 mmol/L) treatment group, gradeⅡnecrosis was seen in 2 rabbits, grade Ⅲ in 10 rabbits, and grade Ⅳ in 3 rabbits; the effective rate was 86.6%. In high-dose (2.0 mmol/L) treatment group, gradeⅢnecrosis was detected in 2 rabbits and gradeⅣin 13 rabbits;the effective rate was 100.0%. In the saline control group, grade I necrosis was observed in 15 rabbits. Statistically significant differences in tumor necrosis rate and effective rate existed between medium-dose (1.0 mmol/L) treatment group and high-dose (2.0 mmol/L) treatment group (P<0.05). Statistically significant differences in tumor necrosis rate also existed between each other among the four groups with necrosis of gradeⅠto gradeⅣ(P<0.05). 3-BrPA had obvious therapeutic effect, while it showed no damage to the normal intestinal tissue. Conclusion For the treatment of transplanted rectal tumor in rabbit models, arterial infusion of 3-BrPA has certain therapeutic effect. In the high-dose group, the necrosis rate and effective rate are the highest, and the therapeutic results are the most significant.
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Objective To investigate the diagnosis value of spleen stiffness measurement by transient elastography (FibroScan, FS) for esophageal-gastric varices (EV) in patients with HBV-related liver cirrhosis receiving anti-viral treatment. Method Total of 41 patients from Jan 2014 to Dec 2014 diagnosed with HBV-related liver cirrhosis receiving anti-viral treatment were enrolled. All patients were evaluated for spleen and liver stiffness measurement by FS and checked by gastroscopy for diagnosis of EV. Using gastroscopy as the gold standard, the area under receiver operating characteristic curve (AUROC) were used to evaluate the value of the spleen stiffness and liver stiffness in diagnosis of EV and its degree. Results The spleen and liver FS values in patients were (40.64 ± 25.45) kPa and (20.76 ± 13.21) kPa respectively, and they showed a positive correlation (r = 0.402, P < 0.001). The spleen FS values in patients without EV were significantly lower than those in patients with mild EV and moderate-severe EV (all P < 0.05). Furthermore, they showed significantly lower in patients with mild EV than those in patients with moderate-severe EV too (P < 0.05). The AUROC of spleen FS in patients with EV was 0.863, with sensitivity of 79.4% and specificity of 83.2%. Moreover, the AUROC of spleen FS in patients with moderate-severe EV was 0.924, with sensitivity of 87.9% and specificity of 91.3%. Both of them were much higher than those of liver FS. Conclusion Spleen FS may act as a non-invasive marker to predict EV and its degree in patients with HBV-related liver cirrhosis receiving anti-viral treatment.
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Aim To determine the function of nuclear factor-κB ( NF-κB ) in immunological liver injury of rat model and its effect on CYP2E1 expression, content and metabolic activity. Methods The immunological liver injury rat model was prepared by injection of Ba-cillus Calmette Guérin ( BCG,125 mg · kg-1 ) for 14 days. The hepatic tissue injury was revealed by hema-toxylin and eosin ( HE ) method and serum concentra-tion of alanine aminotransferase( ALT) , aspartate ami-notransferase ( AST ) respectively. CYP450 total con-tent in hepatic homogenate was determined by spectro-photography. The expression of CYP2E1 protein was detected by Western blot analysis. The enzyme kinetics of CYP2 E1 probe drug chlorzoxazone was evaluated by high-performance liquid chromatography ( HPLC ) as-say. Results The results showed that BCG-pretreat-ment ( 125 mg · kg-1 ) significantly increased the weight of liver and spleen, serum levels of ALT and AST(P<0. 01) , and decreased CYP2E1 expression, content and metabolic activity ( P <0. 05 ) . Adminis-tration of ammonium pyrrolidine dithiocarbamate (PDTC) (50, 100, 200 mg·kg-1) reversed the a-bove hepatic injury stimulated by BCG in vivo. Moreo-ver, PDTC dose-dependently inhibited the down regu-lation of CYP2 E1 ( P<0. 05 ) . Conclusion Passiva-tion of NF-κB can inhibit the down regulation of CYP2 E1 in liver tissue of immunological liver injury rats;NF-κB may be involved in CYP2 E1 down-regula-tion.
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Objective To investigate the necessity of low-intensity anticoagulation standard in patients after heart valve replacement and the rationality of INR in our hospital.Methods 681 eligible candidates were anticoagulated under the current guidelines for postoperative anticoagulation therapy in our hospital(AVR 1.5-2.0,MVR 2.0-2.5,DVR 2.0-2.5,TVR 2.5-3.0).We monitored the patient 's PT regularly and analyzed the occurrence of anticoagulation-related complications,such as bleeding,thrombosis and embolism.Results 602 cases completed the follow-up.During the period of follow-up,66 patients had bleeding tendencies,the incidence of bleeding complications was 10.96％ (66/602).1 1 patients had embolism complications,the incidence of thrombotic complications was 1.83 ％ (11/602).The average of INR was 2.24± 0.68,the mean oral Warfarin dose was(3.12± 1.14) mg/d.Conclusion Our study suggest that the effect of low-intensity anticoagulation after heart valve replacement is reliable.Further more,the current anticoagulation standards of our hospital meet the requirements of postoperative clinical anticoagulant after heart valve replacement in our region.
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Objective To evaluate the preventive effect of entecavir on liver injury in chronic HBV infected patients complicated with tuberculosis receiving anti-tuberculosis treatment.Methods A total of 102 chronic HBV infected patients complicated with tuberculosis were collected from Guangzhou Eighth People' s Hospital and Guangzhou Chest Hospital during January 2011 and May 2012.Patients were divided into three groups:group A (n =33) received entecavir plus anti-tuberculosis treatment,group B (n =29) received lamivudine plus anti-tuberculosis treatment,and group C (n =40) received anti-tuberculosis treatment only.Liver injury,termination of treatment,liver function and HBV DNA load before and after treatment were observed.SPSS 13.0 was used for statistial analysis.Results Two cases (6.1％) in group A,6 cases (20.6％) in group B and 22 cases (55.0％) in group C had liver injury,and the difference among three groups was of statistical difference (x2 =22.126,P ＜ 0.01),but the difference between group A and group B was not significant (x2 =3.024,P＞0.05).One case (3.0％) in group A,3 cases (10.3％) in group B and 15 cases (37.5％) in group C terminated the treatment,and the difference among three groups was of statistical significance (x2 =16.008,P ＜ 0.01),but the difference between group A and group B was not significant (x2 =1.410,P ＞0.05).ALT and AST in group A and group B were not of significant differences before and after anti-tuberculosis treatment,but those in group C were significantly higher (Z =18.306,16.821,P ＜ 0.01).There was no significant difference in HBV DNA load among three groups before the treatment (Z =0.460,P ＞ 0.05),while HBV DNA loads in group A and group B significantly decreased during the treatment,and the difference among three groups after the treatment was significant (Z =23.213,P ＜0.01).In addition,lower HBV DNA load was observed in group A compared with group B after one month anti-tuberculosis treatment (Z =8.109,P ＜ 0.01).Conclusion Early use of entecavir can effectively prevent liver injury during anti-tuberculosis treatment,ensuring anti-tuberculosis treatment and anti-HBV treatment carried out as planned.
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Objective To observe the expression of caspase-3 on the trehalose as cryoprotectant for preserving aortic valve homograft in liquid nitrogen.Methods The aortic valve homograft was divided into 5groups,namely:0.1 mol/L DMSO(control group),0.1 mol/L trehalose(experimental group 1),0.1 mol/L trehalose+0.1 mol/L DMSO(experimental group 2),0.2 mol/L trehalose+0.1 mol/L DMSO(experimental group 3),0.3 mol/L trehalose+0.1 mol/L DMSO(experimental group4).At the time of 12 months,15 months and 18 months when preserved in liquid nitrogen,relative expression of caspase-3 of the aortic valve homograft was measured by RT-PCR and Western Blot.Fresh group was a negative control group.Results At the same time(P<0.05),the expression of caspase-3 of fresh aortic tissue was slightest.The experimental group 2 was in accord with the experiment group 3,which was of a sort compare with the fresh group.The experimental group 4,which was worse than the experimental group 2 and 3,ranked above the experimental group 1.The worst was the control group.Conclusions The joint use of trehalose and DMSO could well inhibit the expression of caspase-3.Moreover.0.1mol/L trehalose+0.1 mol/L DMSO and 0.2 mol/L trehalose +0.1 mol/L DMSO could maximize the inhibition of the expression of caspase-3.
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Objective The aim of the study is to discuss the application value of HA330-Ⅱ microporous resin plasma adsorption in liver support and the treatment of complications of chronic severe hepatitis.Methods The treatment group has 41 patients of chronic severe hepatitis B,which were treated for 3 times by HA330-Ⅱ microporous resin plasma adsorption.We compared the improvement of symptom,the fadeamay and rebound of icterus,the change of hepatic encepllalOpathy and brain oedema,the change of blood routine test,blood ammonia level,blood-gas analyzing result,cruor index,inflammatory factors(IL-1b,IL-6,IL-8,TNF-α,etc.),side effects,etc.The control group has 37 patients of the same type.Results HA330-Ⅱ microporous resin plasma adsorptioin is partly effective for the improvement of symptom,improvernent rate 43.9%,and without new discomfort due to the treatment. It obtains some extent fadeaway of icterus which has a low rebound,reduce TBiL(17.83±3.65)% and there be no statistics difference of rebound.It lowers the blood ammonia level and improves the hepatic encephalopathy and brain oedema.It absorbs cytokine IL-8.Atthough it has some extent effect to albunfin,blood paltelet,haemoglobin.Conclusion HA330-Ⅱ microporous resin plasma adsorption has good application value in the treatment of chronic severe hepatitis B.It is a new treatment choice of severe hepatitis.
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Objective To study the effects of γ-IFN on the expression of HLA-G mRNA in primary cultured astrocytoma cells. Methods Different concentrations of γ-IFN were added to primary cultured cells, and HLA-G mRNA were detected by RT-PCR. Results After γ-IFN treatment, HLA-G mRNA can not be determined from HLA-G originally negative astrocytoma cells. The expression of HLA-G are up - regulated in all original HLA-G positive astrocytoma cells in a dose-dependent manner. Conclusion γ-IFN can increase the ex-pression of HLA-G gene in the primary cultured astrocytoma cells which HLA - G are originally positive.
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Objective To compare the different types of physical artificial liver support system(ALSS) applied in the treatment of patients with early stage of chronic severe hepatitis in order to evaluate the therapeutic effect and look for the most effective one.Methods One hundred and twenty patients of chronic severe hepatitis B in early stage were randomly divided into 4 groups(each n=30).The patients in group 1 were treated by 3 000 ml plasma exchange;in group 2,by 2 000 ml plasma exchange combined with plasma adsorption for 2 hours;in group 3,only by plasma adsorption for 3 hours and in group 4,by molecular adsorbent re-circulating system(MARS).The observation time lasted for 2 weeks and the therapy twice a week,the interval between two times of treatment being 2-3 days.The improvement of symptoms,the fade away and rebound of icterus,the changes of albumin and prothrombin activity(PTA),side effects(anaphylaxis,hepatic encephalopathy,edema of conjunctiva,burp,fluid and electrolyte balance failure,changes of blood routine test and ammonia level,etc) were compared before and after the treatment.Results The symptoms of 27 cases in group 1 were improved,the rate of decrease of total bilirubin(TBil) of group 1 was 51.8% and the range of icterus rebound was 14.4% to 46.7% with comparatively more side effects.The symptoms of 24 cases of group 2 were improved,the rate of decrease of TBil in group 2 was 62.2% and the range of icterus rebound was 2.8% to 28.5% with comparatively less side effects.The symptoms of 16 cases of group 3 were improved,the rate of decrease of TBil in group 3 was 38.8% and the range of icterus rebound was 2.8% to 6.8% with less side effects.The symptoms of 26 cases of group 4 were improved,the rate of decrease of TBil in group 4 was 60.1% and the range of icterus rebound was 7.8% to 27.4% with comparatively more side effects,moreover the cost was higher than that in the other groups.Conclusion The method of reduced plasma exchange combined with plasma adsorption with macroporous resin used to cure chronic severe hepatitis at early stage has the characteristic of good effects for the fade away of icterus,little rebound of icterus and side effects.It is the reasonable method of artificial liver to cure the early stage of chronic severe hepatitis.