1.Efficacy analysis of interventional sclerotherapy for cystic lymphatic malformation
Xiaodong YANG ; Qianlong LIU ; Xinkui GUO ; Qiang LIU
Journal of Practical Radiology 2024;40(3):452-455
Objective To investigate the efficacy and safety of interventional sclerotherapy for cystic lymphatic malformation(cLM).Methods A total of 92 cases of cLM were enrolled in this study.Forty-seven cases were macrocystic lymphatic malformation(LM),32 cases were mixed LM,and 13 cases were microcystic LM.At the first treatment,56 cases with clear or light yellow cystic fluid were defined as non-bleeding group;Thirty-six cases with cloudy or dark red cystic fluid were defined as bleeding group.Sclero-therapy was performed under the guidance of fluoroscopy or ultrasonic(US),followed by an outpatient or a telephone follow-up at least 3 months after operation.Results Ninety-two patients received 140 times of interventional sclerotherapy,with an average of 1.53 times.The overall cure rate was 56.5%and the overall effective rate was 95.7%.The results of subgroup analysis showed that the overall effective rate of macrocystic and mixed LM was higher than that of microcystic LM,while the overall effective rate of macrocystic and mixed LM had no statistical difference.The cure rate of macrocystic LM was higher than that of mixed and microcystic LM,but there was no significant difference between mixed and microcystic LM.Besides,there were no statistical differences in the overall effective rate and the cure rate between the bleeding group and the non-bleeding group.Conclusion Interventional sclerotherapy is a safe and effective treatment for cLM patients.The efficacy of interventional sclerotherapy is not affected by the presence or absence of intracapsular hemorrhage during the first treatment.
2.Association of gankyrin protein expression in human colorectal cancer with postoperative prognosis.
Qianlong WU ; Feng HE ; Ping YANG ; Chengxing WANG ; Xiwen CHEN ; Qiang WANG ; Feng LIU ; Jie CAO
Chinese Journal of Gastrointestinal Surgery 2015;18(6):611-615
OBJECTIVETo investigate the association of gankyrin protein expression in colorectal cancer (CRC) with its prognosis.
METHODSClinical data and resection samples of 100 colorectal cancer patients identified by pathology undergoing resection in our department from June 2008 to June 2009 were collected. The gankyrin expression in CRC tissues and matched adjacent noncancerous tissues collected during the operation of 100 CRC cases was detected by immunohistochemical staining and Western blotting. The associations of gankyrin expression level with overall survival, clinicopathologic features were analyzed by Chi square test, Cox regression analysis, Kaplan-Meier analysis and log rank test.
RESULTSImmunohistochemical staining showed that the positive brown granules were mainly distributed in the cytoplasm, and nuclear immunostaining was observed in tissue samples of 29 cases, of whom 16 cases had distal metastasis [55.2% (16/29)]. The positive rate of gankyrin and the relative gray value of Western blotting in CRC tissues were 67% (67/100) and 0.69±0.23, respectively, which were significantly higher than those of 2 cm adjacent noncancerous tissues [6% (6/100) and 0.31±0.16] and 10 cm adjacent noncancerous tissues [1%(1/100) and 0.16±0.11] (all P<0.001). Patients with positive expression of gankyrin had worse survival than those with negative ones (41.8% vs. 72.7%, P=0.008). The gankyrin expression was associated to lymph node metastasis (P=0.005), tumor stage (P=0.001) and distal metastasis (P=0.002). Cox regression analysis showed that distal metastasis (P=0.004) and high expression of gankyrin (P=0.038) were independent risk factors for poor prognosis of patients with CRC.
CONCLUSIONUp-regulated expression of gankyrin is related to invasion and metastasis of human CRC, and gankyrin may be valuable in predicting prognosis.
Blotting, Western ; Colorectal Neoplasms ; Humans ; Kaplan-Meier Estimate ; Lymphatic Metastasis ; Postoperative Period ; Prognosis ; Proteasome Endopeptidase Complex ; Proto-Oncogene Proteins
3.The comparison between hypothermic machine perfusion and simple cold storage in chinese donation after citizen's death kidney transplantation
Qianlong LIU ; Wujun XUE ; Yang LI ; Xiaoming DING ; Puxun TIAN ; Heli XIANG ; Hang YAN ; Xinshun FENG ; Jun HOU ; Xiaohui TIAN ; Chenguang DING
Chinese Journal of Organ Transplantation 2018;39(5):276-281
Objective Hypothermic machine perfusion may improve the outcome after transplantation of kidney donated after citizen's death (DCD),but few powered prospective studies have been reported,especially in China.The aim is to compare hypothermic machine perfusion (HMP) with simple cold storage (SCS) in Chinese DCD kidney transplantation,which can offer an optimal method for graft storage with better graft function and survival.Methods 54 kidney pairs from DCD donors were included in this controlled trial in one single center from December 2015 to March 2017.Every two kidneys from each DCD donor wavs randomly assigned to HMP and SCS group.One-year recipient and graft survival rate and endpoints containing the incidence of DGF,the duration of DGF,creatinine reduction ratio (CRR),estimated glomerular filtration rate (Egfr),primary non-function (PNF),acute rejection (AR),toxicity of the immunosuppressive drugs,nosocomial infections and the length of hospital stay were compared between HMP and SCS group.Results One-year recipient survival rate was 98.15 % and 96.23% after DCD transplant in HMP and SCS group,and one-year graft survival rate was 90.74% and 88.68%,respectively.DGF incidence was 9.62% in total DCD kidney transplant,8.00% in HMP group and 11.11% in SCS group,which was no difference in two groups.22 DCD was from expanded criteria donor (ECD) donation,DGF happened in 15.91% ECD kidney transplant.However,HMP reduced the incidence of DGF from 27.27% to 4.55% after ECD kidney transplant,which was significantly different (x2 =4.247,P =0.039).HMP group acquired significantly lower creatinine level (130.95 ± 46.60) μmol/L than SCS group (181.64 ± 72.94) μmol/L on day 14 after ECD transplant (t =-2.686,P =0.011).Conclusion There was a higher recipient and graft survival rate after DCD and ECD kidney transplant,which would be an effective method to expand donor pool for kidney transplant.HMP was not associated with lower DGF rate in DCD kidney transplant and more rapid recovery in early graft function.However,HMP preservation not only made renal function recover more rapidly but reduced the risk of DGF after ECD kidney transplant.
4.Finite element analysis of the effect of the distribution position and content of bone cement on the stress and displacement of reverse femoral intertrochanteric fracture
Qianlong ZHANG ; Maihemuti?Yakufu ; Chenhui SONG ; Xiuxin LIU ; Zheng REN ; Yuzhe LIU ; Muyashaer?Abudushalamu ; Sajidan?Aikebaier ; Jian RAN
Chinese Journal of Tissue Engineering Research 2024;28(3):336-340
BACKGROUND:The proximal femoral nail antirotation is the preferred treatment for reverse osteoporotic intertrochanteric fractures.Bone cement enhancement can reduce the probability of proximal femoral nail antirotation cut-out and cut-through,but there are no relevant biomechanical studies demonstrating the effect of bone cement content and location on the stress and displacement of the fracture end. OBJECTIVE:To investigate the effects of different contents and locations of bone cement in cement-reinforced proximal femoral nail antirotation on stress,strain,and displacement of reverse osteoporotic femoral intertrochanteric fractures in the elderly by finite element analysis. METHODS:A healthy adult female right femur model was extracted by Mimics software and smoothed in Geometric software.Five types of internal fixation methods of proximal femoral nail antirotation(cementless,cephalic spherical 1 mL,cephalic spherical 2 mL,cephalic spherical 3.4 mL,and cylindrical 5 mL around spiral blade)and femoral intertrochanteric fracture(AO subtype 31-A3.1 type)model were established in Solidworks software.After assembly,the total stress distribution,peak stress and displacement of the five models of implants with the femur were compared in Ansys software. RESULTS AND CONCLUSION:(1)The peak stresses of proximal femoral nail antirotation with head-end spherical 1 mL,head-end spherical 2 mL,head-end spherical 3.4 mL,and cylindrical 5 mL enhanced proximal femoral nail antirotation around the spiral blade respectively were 571.07 MPa(located at the junction of the spiral blade and the main nail),495.45 MPa(located at the junction of the spiral blade and the main nail),467.20 MPa(located at the junction of the main nail and the distal screw connection),642.70 MPa(located at the junction of the main nail and distal screw connection),and 458.58 MPa(located at the junction of the spiral blade and the main nail).(2)The maximum displacements of proximal femoral nail antirotation with head end sphere 1 mL,head end sphere 2 mL,head end sphere 3.4 mL,and with cylindrical 5 mL enhancement around the spiral blade were 9.260 5,7.589 1,7.316 8,6.790 7,and 6.615 7 mm,respectively,all of which were located at the proximal end of the femoral head.(3)These findings revealed that for reverse femoral intertrochanteric fractures treated with proximal femoral nail antirotation,the bone cement enhancement had significant mechanical stability compared with no enhancement,and the enhancement of the spiral blade 5 mL around the perimeter was the best,which is more preferable for aged unstable intertrochanteric fractures.
5.Effects of pretreatment of electroacupuncture on bupivacaine poisoning in rats.
Junlong GAO ; Yulan LI ; Xiumei WANG ; Qianlong ZHAO ; Yuqiang LIU ; Feng YANG
Chinese Acupuncture & Moxibustion 2016;36(7):735-738
OBJECTIVETo observe the effects of electroacupuncture (EA) pretreatment at different times for heart arrest induced by bupivacaine poisoning in rats.
METHODSWith a randomized, blind, control study, 24 SD rats were divided into a control group, a EA for 60 min (EA 60) group and a EA for 30 min (EA 30) group, 8 cases in each one. Rats in the EA 60 group and EA 30 groups were treated with EA at bilateral "Neiguan" (PC 6), "Zusanli" (ST 36) and "Fenglong" (ST 40) for 60 min and 30 min respectively. While no treatment was given in the control group. Then rats were monitored by leadⅡelectrocardiograph; catheters were inserted into the femoral vein to open the vein access and into the carotis to monitor the arterial pressure. Three hours after EA, 10 mg/kg bupivacaine was injected through femoral vein. The mean arterial pressure (MAP) and heart rate (HR) were automatically recorded by PowerLab system. The time points when QRS widened by 20 percent and cardiac arrest and the survival rates were observed.
RESULTSAfter the injection of bupivacaine, five rats in the EA 60 group caught cardiac arrest,while all the rats in the other two groups caught it. The survival rates were not statistically significant among the three groups (>0.05). The time of QRS widening by 20 percent in the EA 60 group was (87.4±14.8) s,which was longer than (63.6±14.2) s in the EA 30 group and (51.2±12.4) s in the control group (both<0.05). From injection of bupivacaine to cardiac arrest, the time of (375.3±23.7) s in the EA 60 group and that of (328.3±47.7)s in the EA 30 group were more than (235.5±91.5) s in the control group (both<0.05). After the injection, MAP and HR in the EA 60 group were higher than those in the EA 30 group and control group at most time points (all<0.05).
CONCLUSIONSEA pretreatment apparently decreases the vulnerability of bupivacaine-induced heart arrest, with better protective effect of 60 min pretreatment than that of 30 min.