1.Biological Basis of Glycometabolism and Lipid Metabolism Disorder and the Application of Regulating-States-and-Removing-Turbidity Method
Hongye PENG ; Chunli LU ; Mo ZHAO ; Shuxia HUANG ; Ziwen ZHUO ; Wenliang LYU
Journal of Traditional Chinese Medicine 2024;65(21):2199-2204
Combining the knowledge of traditional Chinese medicine and modern medicine on glucolipid metabolism disorders, it is believed that the formation process of glycolipid metabolism disorders can be presented as five states "depression, phlegm-dampness, heat, blood stasis, and deficiency", and the turbid pathogens run through the whole process. Accordingly, the method of "regulating states and removing turbidity" is proposed, which is specifically the method of resolving depression and turbidity, dispelling phlegm-dampness and turbidity, clearing heat and turbidity, dispelling blood stasis and turbidity, and replenishing deficiency and removing turbidity. Combined with the biological basis of glycolipid metabolism disorder, through the analysis of the clinical application of each method and the related mechanism of action, it is clarified that the method of regulating states and resolving turbidity can play a role in improving glycolipid metabolism disorder by regulating lipid metabolism disorder, insulin resistance, bile acid metabolism abnormality, intestinal bacterial flora, and its metabolite abnormality and other mechanisms of action.
2.Correlation Between Expression of HIF-1α and Prognosis of Arsenic-containing Chinese Herbal Compound in Treatment of Myelodysplastic Syndrome
Peizhen JIANG ; Xiupeng YANG ; Dexiu WANG ; Wenru WANG ; Yan LYU ; Weiyi LIU ; Zhuo CHEN ; Hongzhi WANG ; Xiaoqing GUO ; Shanshan ZHANG ; Yonggang XU ; Xudong TANG
Chinese Journal of Experimental Traditional Medical Formulae 2024;30(9):101-107
ObjectiveMyelodysplastic syndromes (MDS) is a group of clonal hematopoietic stem cell disorders,and this study aims to investigate the expression of hypoxia-inducible factor-1α(HIF-1α) in the bone marrow cells of patients with MDS and its correlation with the clinical features of MDS,the therapeutic efficacy of arsenic-containing Chineseherbal compound,and the survival prognosis. MethodAccording to the inclusion and exclusion criteria,27 MDS patients treated with arsenic-containing Chinese herbal compound in the Department of Hematology,Xiyuan Hospital,China Academy of Chinese Medical Sciences from January 2022 to September 2022 were included,and their bone marrow samples were collected by myelotomy. HIF-1α expression level in bone marrow cells was detected by real-time polymerase chain reaction (PCR) to analyze its correlation with clinical features,and logistic and Cox regression was used to analyze the risk factors affecting the efficacy and prognostic survival of MDS patients. ResultThe HIF-1α mRNA expression level was lower in bone marrow cells of MDS patients than in healthy subjects. HIF-1α was positively correlated with the degree of myelodysplasia(r=0.384,P<0.05) and bone marrow granulocytic system%(G%)(r=0.560,P<0.01). Logistic regression showed that HIF-1α was a risk factor for the prognosis in the follow-up of the efficacy of treatment(P<0.05)and Cox regression showed that HIF-1α was an independent factor affecting the survival prognosis of MDS patients [odds ratio(OR)=398.968,95% confidence interval(CI)(1.281,116 858.743),P<0.05]. ConclusionThe level of HIF-1α expression in bone marrow cells of MDS patients was closely related to the degree of clinical myelodysplasia and G%,and HIF-1α was a risk factor for the efficacy for and survival prognosis of MDS patients.
3.Influence of acupoint catgut embedding combined with Xuezhikang Capsule on lipid metabolism and antioxidation effect in patients with statin intolerance and hyperlipidemia of spleen-kidney yang deficiency syndrome
Yunhui ZHUO ; Tianjiao LYU ; Sheng JI
International Journal of Traditional Chinese Medicine 2024;46(3):304-309
Objective:To explore the influence of acupoint catgut embedding combined with Xuezhikang capsule on lipid metabolism and antioxidation effect in patients with statin intolerance and hyperlipidemia of spleen-kidney yang deficiency syndrome.Methods:Randomized controlled trial. A total of 82 patients with statin intolerance and hyperlipidemia who were treated in Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine , Shanghai Puto Area Central Hospital, and Lingyun community health Service center, Xuhui District from July 2020 to June 2022 were selected and randomly divided into two groups with 41 patients in each group by odd-even ball method. The two groups were given diet and exercise guidance, and the control group was given Xuezhikang capsule orally on this basis, and the observation group was given poly(l-lactide-co-glycolide) (PLGA) thread acupoint catgut embedding on the basis of the control group. Both groups were treated continuously for 3 months. The TCM syndromes were scored before and after treatment, and body weight (BW), waist circumference (WC) and body mass index (BMI) were recorded. The levels of TC, TG, HDL-C and LDL-C were detected by fully automatic biochemical analyzer. The levels of serum SOD, GSH-Px and total antioxidant capacity (TAOP) were measured by ELISA. The level of serum endothelin-1 (ET-1) was assessed by radioimmunoassay. Color Doppler ultrasound diagnostic instrument was used to detect the brachial artery flow-mediated dilation (FMD) and nitroglycerin-mediated dilation (NMD).Results:The scores of chilly sensation and cold limbs [(1.27±0.12) vs. (1.46±0.16), t=6.08], loose stool [(1.41±0.16) vs. (1.63±0.18), t=5.85], fatigue [(1.45±0.15) vs. (1.57±0.17), t=3.39], dizziness [(1.15±0.11) vs. (1.26±0.13), t=4.14] and loss of appetite [(1.21±0.13) vs. (1.39±0.15), t=5.81] in observation group after treatment were significantly lower than those in the control group ( P<0.01). BW [(68.03±6.57)kg vs. (71.55±6.76)kg, t=2.39], WC [(85.13±4.63)cm vs. (87.35±4.85)cm, t=2.12] and BMI [(27.35±2.84)kg/m 2vs. (29.18±3.05)kg/m 2, t=2.81]were lower than those in the control group ( P<0.05). The levels of serum TC [(3.15±0.13)mmol/L vs. (3.38±0.17)mmol/L, t=6.88], TG [(1.98±0.11)mmol/L vs. (2.21±0.15)mmol/L, t=7.92]and LDL-C [(2.46±0.26)mmol/L vs. (3.04±0.33)mmol/L, t=8.84]were significantly lower compared with those in control group ( P<0.01) while the level of HDL-C [(1.88±0.24)mmol/L vs. (1.74±0.21)mmol/L, t=2.81]was higher than that of the control group ( P<0.01). The levels of serum SOD [(57.82±5.84)μg/L vs. (55.06±5.61)μg/L, t=2.18], GSH-Px [(96.51±9.52)U/L vs. (92.26±9.25)U/L, t=2.30]and TAOP [(6.21±0.57)U/L vs. (5.94±0.54)U/L, t=2.20]were significantly higher compared to control group ( P<0.05). Serum ET-1 [(60.43±4.36) pg/L vs. (63.71±4.68) pg/L, t=3.28] level was significantly lower than that in control group ( P<0.01), while FMD [(12.48±1.02)% vs. (11.34±0.95)%, t=5.24] and NMD [(15.12±1.24)% vs. (14.44±1.18)%, t=2.54] were significantly higher than those in control group ( P<0.01). Conclusion:The combination of acupoint catgut embedding and Xuezhikang capsule can reduce the scores of TCM syndromes, lower the obesity and blood lipids, enhance the antioxidant function and improve the vascular endothelial function in patients with statin intolerance and hyperlipidemia.
4.Survival characteristics of patients with high-risk myelodysplastic syndromes treated with an arsenic-containing herbal combination
Nan JIN ; Yue MAO ; Yan LYU ; Zhuo CHEN ; Dexiu WANG ; Weiyi LIU ; Chi LIU ; Xudong TANG
Journal of Beijing University of Traditional Chinese Medicine 2024;47(5):709-720
Objective To investigate the clinical characteristics of survival in patients with high-risk myelodysplastic syndromes(HR-MDS)and provide a reference for the clinical prognosis of patients with HR-MDS.Methods General data,blood routine test,bone marrow smear with histopathology,cytogenetics,and other clinical data of 200 patients diagnosed with HR-MDS at Xiyuan Hospital of China Academy of Chinese Medical Sciences,during the period of January 2016-September 2022,were retrospectively analyzed.The included patients were categorized into the arsenic-containing herbal combination combined with demethylating agents(HMAs)treatment group and the arsenic-containing Chinese medicine compound combined with androgen treatment group.The influence of clinical indices on the survival characteristics of each group was analyzed.Results Comparison of the impact of clinical indicators on survival in 200 patients with HR-MDS who were treated with arsenic-containing herbal compounds in combination with HMAs or androgens showed that high-risk vs.very high-risk(P=0.018),hemoglobin(Hb)<80 g/L vs.Hb≥80 g/L(P=0.035),platelet(PLT)counts<50×109 L-1 vs.PLT counts≥50×109 L-1(P<0.001),and the difference in median progression-free survival(PFS)time between myelodysplastic syndromes converted to leukemia(MDS-AML)and non-MDS-AML(P=0.003)were statistically significant.Comparison of survival effects of clinical indicators in 68 patients with HR-MDS who were treated with arsenic-containing Chinese medicine compound combined with HMAs showed that the difference in median PFS between PLT count<50×109 L-1 and PLT count≥50×109 L-1(P<0.001)and the difference in median PFS between<5 and≥5 courses of chemotherapy(P=0.018)were statistically significant.Comparison of survival effects of clinical indicators in 132 patients with HR-MDS who were treated with arsenic-containing Chinese medicine compound combined with androgens showed that Hb<80 g/L and Hg≥80 g/L(P=0.028),PLT count<50×109 L-1 and PLT count≥50×109 L-1(P=0.002),and the mean differences in PFS between MDS-AML and non-MDS-AML(P=0.024)were statistically significant.Conclusion The clinical characteristics of long-surviving patients treated with arsenic-containing herbal combination in combination with HMAs included PLT counts≥50×109 L-1 and≥5 courses of chemotherapy.The clinical characteristics of long-surviving patients treated with arsenic-containing herbal combination in combination with androgens included Hg≥80 g/L,PLT count≥50×109 L-1,and non-MDS-AML.
5.Clinical application of split liver transplantation: a single center report of 203 cases
Qing YANG ; Shuhong YI ; Binsheng FU ; Tong ZHANG ; Kaining ZENG ; Xiao FENG ; Jia YAO ; Hui TANG ; Hua LI ; Jian ZHANG ; Yingcai ZHANG ; Huimin YI ; Haijin LYU ; Jianrong LIU ; Gangjian LUO ; Mian GE ; Weifeng YAO ; Fangfei REN ; Jinfeng ZHUO ; Hui LUO ; Liping ZHU ; Jie REN ; Yan LYU ; Kexin WANG ; Wei LIU ; Guihua CHEN ; Yang YANG
Chinese Journal of Surgery 2024;62(4):324-330
Objective:To investigate the safety and therapeutic effect of split liver transplantation (SLT) in clinical application.Methods:This is a retrospective case-series study. The clinical data of 203 consecutive SLT, 79 living donor liver transplantation (LDLT) and 1 298 whole liver transplantation (WLT) performed at the Third Affiliated Hospital of Sun Yat-sen University from July 2014 to July 2023 were retrospectively analyzed. Two hundred and three SLT liver grafts were obtained from 109 donors. One hundred and twenty-seven grafts were generated by in vitro splitting and 76 grafts were generated by in vivo splitting. There were 90 adult recipients and 113 pediatric recipients. According to time, SLT patients were divided into two groups: the early SLT group (40 cases, from July 2014 to December 2017) and the mature SLT technology group (163 cases, from January 2018 to July 2023). The survival of each group was analyzed and the main factors affecting the survival rate of SLT were analyzed. The Kaplan-Meier method and Log-rank test were used for survival analysis.Results:The cumulative survival rates at 1-, 3-, and 5-year were 74.58%, 71.47%, and 71.47% in the early SLT group, and 88.03%, 87.23%, and 87.23% in the mature SLT group, respectively. Survival rates in the mature SLT group were significantly higher than those in the early SLT group ( χ2=5.560, P=0.018). The cumulative survival rates at 1-, 3- and 5-year were 93.41%, 93.41%, 89.95% in the LDLT group and 87.38%, 81.98%, 77.04% in the WLT group, respectively. There was no significant difference among the mature SLT group, the LDLT group and the WLT group ( χ2=4.016, P=0.134). Abdominal hemorrhage, infection, primary liver graft nonfunction,and portal vein thrombosis were the main causes of early postoperative death. Conclusion:SLT can achieve results comparable to those of WLT and LDLT in mature technology liver transplant centers, but it needs to go through a certain time learning curve.
6.Clinical application of split liver transplantation: a single center report of 203 cases
Qing YANG ; Shuhong YI ; Binsheng FU ; Tong ZHANG ; Kaining ZENG ; Xiao FENG ; Jia YAO ; Hui TANG ; Hua LI ; Jian ZHANG ; Yingcai ZHANG ; Huimin YI ; Haijin LYU ; Jianrong LIU ; Gangjian LUO ; Mian GE ; Weifeng YAO ; Fangfei REN ; Jinfeng ZHUO ; Hui LUO ; Liping ZHU ; Jie REN ; Yan LYU ; Kexin WANG ; Wei LIU ; Guihua CHEN ; Yang YANG
Chinese Journal of Surgery 2024;62(4):324-330
Objective:To investigate the safety and therapeutic effect of split liver transplantation (SLT) in clinical application.Methods:This is a retrospective case-series study. The clinical data of 203 consecutive SLT, 79 living donor liver transplantation (LDLT) and 1 298 whole liver transplantation (WLT) performed at the Third Affiliated Hospital of Sun Yat-sen University from July 2014 to July 2023 were retrospectively analyzed. Two hundred and three SLT liver grafts were obtained from 109 donors. One hundred and twenty-seven grafts were generated by in vitro splitting and 76 grafts were generated by in vivo splitting. There were 90 adult recipients and 113 pediatric recipients. According to time, SLT patients were divided into two groups: the early SLT group (40 cases, from July 2014 to December 2017) and the mature SLT technology group (163 cases, from January 2018 to July 2023). The survival of each group was analyzed and the main factors affecting the survival rate of SLT were analyzed. The Kaplan-Meier method and Log-rank test were used for survival analysis.Results:The cumulative survival rates at 1-, 3-, and 5-year were 74.58%, 71.47%, and 71.47% in the early SLT group, and 88.03%, 87.23%, and 87.23% in the mature SLT group, respectively. Survival rates in the mature SLT group were significantly higher than those in the early SLT group ( χ2=5.560, P=0.018). The cumulative survival rates at 1-, 3- and 5-year were 93.41%, 93.41%, 89.95% in the LDLT group and 87.38%, 81.98%, 77.04% in the WLT group, respectively. There was no significant difference among the mature SLT group, the LDLT group and the WLT group ( χ2=4.016, P=0.134). Abdominal hemorrhage, infection, primary liver graft nonfunction,and portal vein thrombosis were the main causes of early postoperative death. Conclusion:SLT can achieve results comparable to those of WLT and LDLT in mature technology liver transplant centers, but it needs to go through a certain time learning curve.
7.Comparison of Clinical Characteristics of JAK2,CALR and Tri-Negative Driving Mutant Type in Patients with Essential Thrombocythemia
Yu-Meng LI ; Er-Peng YANG ; Zi-Qing WANG ; De-Hao WANG ; Ji-Cong NIU ; Yu-Jin LI ; Jing MING ; Ming-Qian SUN ; Zhuo CHEN ; Wei-Yi LIU ; Yan LYU ; Xiao-Mei HU
Journal of Experimental Hematology 2024;32(1):197-201
Objective:To investigate the relationship between mutated genes and clinical features in patients with essential thrombocythemia(ET).Methods:The clinical data of 69 patients with ET from October 2018 to March 2022 were retrospectively analyzed.According to driver mutation type,patients were divided into JAK2 group,CALR group and triple-negative group.The sex,age,cardiovascular risk factors,thrombosis,splenomegaly,routine blood test and coagulation status of patients in three groups were analyzed.Results:Among 69 ET patients,46 cases were associated with JAK2 mutation,14 cases with CALR mutation,8 cases with triple-negative mutation,and one with MPL gene mutation.There were no significant differences in age and sex among the three groups(P>0.05).The highest thrombotic rate was 26.09%(12/46)in JAK2 group,then 12.5%(1/8)in triple-negative group,while no thrombotic events occurred in CALR group.The incidence of splenomegaly was the highest in JAK2 group(34.78%),while no splenomegaly occurred in triple-negative group.The white blood cell(WBC)count in JAK2 group was(9.00±4.86)× 109/L,which was significantly higher than(6.03±2.32)× 109/L in CALR group(P<0.05).The hemoglobin(Hb)and hematocrit(HCT)in JAK2 group were(148.42±18.79)g/L and(0.44±0.06)%,respectively,which were both significantly higher than(131.00±15.17)g/L and(0.39±0.05)%in triple-negative group(P<0.05).The platelet(PLT)in JAK2 group was(584.17±175.77)× 109/L,which was significantly lower than(703.07±225.60)× 109/L in CALR group(P<0.05).The fibrinogen(Fg)in JAK2 and triple-negative group were(2.64±0.69)g/L and(3.05±0.77)g/L,respectively,which were both significantly higher than(2.24±0.47)g/L in CALR group(P<0.05,P<0.01).The activated partial thromboplastin time(APTT)in triple-negative group was(28.61±1.99)s,which was significantly decreased compared with(31.45±3.35)s in CALR group(P<0.05).Conclusions:There are differences in blood cell count and coagulation status among ET patients with different driver gene mutations.Among ET patients,JAK2 mutation is most common.Compared with CALR group,the thrombotic rate,WBC and Fg significantly increase in JAK2 group,while PLT decrease.Compared with triple-negative group,the incidence of splenomegaly and HCT significantly increase.Compared with CALR group,Fg significantly increases but APTT decreases in triple-negative group.
8.Comparing Arsenic-Containing Qinghuang Powder and Low-Intensity Chemotherapy in Elderly Patients with Acute Myeloid Leukemia.
Yu-He WU ; Hai-Yan XIAO ; Ri-Cheng QUAN ; Xu-Dong TANG ; Wei-Yi LIU ; Yan LYU ; Zhuo CHEN ; Chi LIU ; Xiao-Mei HU
Chinese journal of integrative medicine 2023;29(9):832-837
OBJECTIVE:
To compare the clinical effect of arsenic-containing Qinghuang Powder (QHP) and low-intensity chemotherapy (LIC) in treatment of elderly acute myeloid leukemia (eAML) patients.
METHODS:
Clinical data of 80 eAML patients treated at Xiyuan Hospital of China Academy of Chinese Medical Sciences from January 2015 to December 2020 were retrospectively analyzed. The treatment scheme was designed by real world study according to patients' preference, and patients were divided into a QHP group (35 cases) and a LIC group (45 cases). The median overall survival (mOS), 1-, 2-, and 3-year OS rates, and incidence of adverse events were compared between the two groups.
RESULTS:
The mOS of 80 patients was 11 months, and the 1-, 2-, and 3-year OS rates were 45.51%, 17.96%, and 11.05%, respectively. The QHP and LIC groups demonstrated no significant difference in mOS (12 months vs. 10 months), 1- (48.57% vs. 39.65%), 2- (11.43% vs. 20.04%), and 3-year OS rates (5.71% vs. 13.27%, all P>0.05). Moreover, the related factors of mOS demonstrated no significant difference in patients with age>75 years (11 months vs. 8 months), secondary AML (11 months vs. 8 months), poor genetic prognosis (9 months vs. 7 months), Eastern Cooperative Oncology Group performance status score ⩾ 3 (10 months vs. 7 months) and hematopoietic stem cell transplant comorbidity index ⩾ 4 (11 months vs. 7 months) between the QHP and LIC groups (all P>0.05). However, the incidence of myelosuppression was significantly lower in the QHP group than that in the LIC group (28.57% vs. 73.33%, P<0.01).
CONCLUSIONS
QHP and LIC had similar survival rates in eAML patients, but QHP had a lower myelosuppression incidence. Hence, QHP can be an alternative for eAML patients who do not tolerate LIC.
Humans
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Aged
;
Arsenic/therapeutic use*
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Powders/therapeutic use*
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Retrospective Studies
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Leukemia, Myeloid, Acute/drug therapy*
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Prognosis
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Antineoplastic Combined Chemotherapy Protocols/therapeutic use*
9.A comparative study between one-stage Hui-Jing procedure and Bracka two-stage procedure for the treatment of severe hypospadias
Ran ZHUO ; Huixia ZHOU ; Weijing YE ; Pin LI ; Hualin CAO ; Tian TAO ; Yuandong TAO ; Yang ZHAO ; Xiaoguang ZHOU ; Lifei MA ; Ce HAN ; Xuexue LYU
Chinese Journal of Urology 2023;44(8):566-570
Objective:To evaluate the mid-term complication rates of the Hui-Jing one-stage procedure (lingual mucosa combined with longitudinal preputial island flap onlay urethroplasty + tubularized incised plate glansplasty)versus the classic Bracka staged surgery for children with severe hypospadias.Methods:A retrospective analysis was conducted on clinical data of 75 children with proximal hypospadias who were treated at the Seventh Medical Center of PLA General Hospital from March 2017 to June 2022. Of these patients, 31 cases (15 cases penoscrotal type and 16 cases perineal type) were underwent the Bracka two-stage surgery with a median age of 38 months (24.0, 44.5) and 44 cases underwent the Hui-Jing one-stage procedure (23 cases penoscrotal type and 21 perineal type) with a median age of 40.5 months (20.75, 90.5). The length of urethral plate defect after correction of penile curvature was (4.30±0.84)cm in the Bracka group and (4.56±0.79)cm in the Hui-Jing group, which also showed no significant difference.There was no statistically significant difference of the median age and the position of preoperative urethral opening between the two groups( P=0.47, P=0.74). The first stage of Bracka repair consists of orthoplasty and urethral bed substitution with free preputial graft. After 6 months, the urethral plate created from free graft was tabularized to form neourethra; Hui-Jing procedure group used the free lingual mucosal as urethral plate substitution, then we conducted longitudinal preputial island flap Onlay and Snodgrass phalloplasty. The incidence of postoperative urethral fistula, urethral stricture and urethral diverticulum was compared between the two groups of cases and the difference in efficacy between the two procedures was assessed. Results:Among the 75 patients included in the study, there was no statistically significant difference in age or location of urethral meatus between the Bracka and Hui-Jing groups. In Bracka group, 9 cases of urethral stricture (29.0%), 6 case of urethral fistula (19.4%), and 2 cases of urethral diverticulum (6.5%) occurred after surgery, while 12 cases of urethral fistula (27.3%) and 3 case of urethral fistula (6.8%) occurred in the Hui-Jing group. No urethral stricture occurred in Hui-Jing group. There was no statistically significant difference in overall incidence of complications between the two groups [17/31(54.8%) vs.15/44(34.1%), P=0.12]. The incidence of urethral fistula and urethral diverticulum show no significant differences between two groups(19.4% vs 27.3, P=0.61, 6.5% vs. 6.8%, P=0.13). The number of operation in Bracka group was (2.68±1.03) and the hospitalization cost was (12 984.63±3 808.15) Yuan, while the number of operation in Hui-Jing group was (1.36±0.53) and the hospitalization cost was (8 490.54±3 136.84) Yuan. Conclusions:The Hui-Jing one-stage procedure can be used for the surgical treatment of children with severe hypospadias. There is no urethral stricture happened in Hui-Jing group, while the general complication incidence and incidence of urethral fistula and diverticulum show no differences.
10.Comparison of modified "double flaps" pyeloplasty and traditional pyeloplasty in the treatment of special types of hydronephrosis in children
Ce HAN ; Huixia ZHOU ; Pin LI ; Xuexue LYU ; Ran ZHUO ; Yang ZHAO ; Weiwei ZHU ; Tao GUO
Chinese Journal of Urology 2023;44(1):42-46
Objective:To compare the efficacy of modified "double flaps" pyeloplasty and traditional dismembered pyeloplasty in the treatment of special types of hydronephrosis with small pelvis and long proximal ureteral stricture in children.Methods:The data of 39 children with special types of hydronephrosis treated in Seventh Medical Center, General Hospital of PLA from June 2018 to June 2019 were retrospectively analyzed. Among them, 33 were boys and 6 were girls. The median age of the patients was 12.0(4.5, 63.5) months. Nine of them had left hydronephrosis and four children had right hydronephrosis. These patients with small pelvis existed the characteristics that the anteroposterior diameter of pelvis was smaller than 2.5 cm and these patients existed the symptom of hematuria, flank pain or recurrent urinary tract infection with the imaging revealing ureteral obstruction. The length of proximal ureteral stenosis ranged from 2.0 to 4.0 cm. Among 39 cases, 19 cases were operated with modified "double flaps" pyeloplasty, which was the modified "double flaps" pyeloplasty group. 20 cases were operated with traditional Anderson-Hynes pyeloplasty, which was traditional pyeloplasty group. The technique of modified "double flaps" pyeloplasty mainly included that the renal pelvis was cut into double flaps, the inferior flap was anastomosed with the spatulated ureter and the superior was covered, so that the length and caliber of the ureter were partial extended. The median age of two groups were 12.0 (6.0, 44.0) months and 12.0 (4.8, 62.8) months respectively, the anterior and posterior diameter of renal pelvis were (2.8±0.8)cm and (2.6±0.6)cm respectively, and split renal function were (36.7±5.1)% and (36.0±6.8)% respectively. There were no statistically significant differences in above parameters between the two groups( P>0.05). The clinical efficacy of the two groups were compared by collecting and comparing the operation related data and postoperative follow-up data. Results:The operation of 39 children in this study was successfully completed without conversion to open surgery.The operation time of "double flap" pyeloplasty group and traditional pyeloplasty group were (142.6±9.6) min and (124.5±8.6) min respectively, and the intraoperative anastomosis time were (56.1±7.2) min and (47.6±4.8) min respectively. There were significant difference in operation time and intraoperative anastomosis time between the two groups( P<0.05). Thirty-nine children were followed up normally without loss. The mean follow-up time was (27.7±2.5) months after surgery. In the "double flaps" pyeloplasty group, 2 cases suffered with fever who were diagnosed as urinary tract infection and improved after antibiotic treatment. In the traditional pyeloplasty group, 2 cases suffered with fever who were diagnosed as urinary tract infection and improved after antibiotic treatment. Two children had flank pain during follow-up to more than one year and the examination revealed that the anteroposterior diameter of the renal pelvis gradually increased. So surgery were performed again and the two children recovered. There were no significant differences in complication rate (2/19 and 4/20) and short-term surgical success rate(19/19 and 18/20) between the two groups ( P>0.05). Conclusions:The operation time and anastomosis time of the modified "double flap" technique for treating hydronephrosis are longer than those of the traditional method. But in the treatment of special types of hydronephrosis with small renal pelvis or long proximal ureteral stricture, it may have application prospects in reducing complications.

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