1.Textual Research on Classical Formula Juanbitang
Lyuyuan LIANG ; Jinyan ZHANG ; Jialei CAO ; Hejia WAN ; Tongyi HUANG ; Mengmeng GENG ; Bingqi WEI ; Bingxiang MA ; Yajing HE
Chinese Journal of Experimental Traditional Medical Formulae 2024;30(24):190-197
This paper discussed the historic evolution of Juanbitang and similar decoctions, clarified the historic development of Yangshi Juanbitang and Chengshi Juanbitang, and probed into the key information of the meaning, original plants, processing methods, and modern dosage and usage of Chengshi Juanbitang. A total of 267 pieces of relevant information were collected from ancient traditional Chinese medicine (TCM) books, among which 53 pieces of effective data were included in this study. The results showed that both Chenshi Juanbitang and Yangshi Juanbitang were originated from Duhuo Jishengtang recoded in the Important Prescriptions Worth a Thousand Gold for Emergency (Bei Ji Qian Jin Yao Fang). According to the standard of "1 qian roughly equals 3.73 g" in the measurement system of the Qing Dynasty, we suggest Chenshi Juanbitang is composed of 3.73 g Notopterygii Rhizoma et Radix, 3.73 g Angelicae Pubescentis Radix, 3.73 g Gentianae Macrophyllae Radix, 11.19 g Angelicae Sinensis Radix, 11.19 g Mori Ramulus, 2.61 g Chuanxiong Rhizoma, 1.87 g Cinnamomi Cortex, 1.87 g stir-fried Glycyrrhizae Radix et Rhizoma, 7.46 g Piperis Kadsurae Caulis, 2.98 g Olibanum, and 2.98 g Aucklandiae Radix, which should be decocted with 600 mL water to reach a volume of 300 mL. The decoction should be taken 3 times a day before meals. Juanbitang, a classical formula specialized for treating impediment diseases, has the effects of dispelling wind, removing dryness, and alleviating impediment to relieve pain. It can be used for treating vexing pain in body, spasm of nape and back, and heaviness in waists and legs. Modern studies have shown that Juanbitang can be used for treating rheumatoid arthritis, knee osteoarthritis, and periarthritis of shoulder. The above results served as a reference for the future development of Juanbitang.
2.Classification and reduction techniques of irreducible intertrochanteric fractures based on reduction stage and bone block position
Ze ZHANG ; Fengpo SUN ; Tongyi ZHANG ; Yi ZHU ; Yawen ZHANG ; Ruining HAN ; Mengyu WANG ; Deyu TIAN ; Junchuan LIU ; Liangyuan WEN
Chinese Journal of Orthopaedic Trauma 2023;25(9):755-761
Objective:To explore our self-designed classification system of irreducible intertrochanteric fractures based on reduction stage and bone block position and to evaluate the reduction techniques guided by the classification system.Methods:A retrospective study was conducted to analyze the data of 115 patients with irreducible intertrochanteric fracture who had been admitted to Department of Orthopedics, Beijing Hospital from September 2014 to November 2022. There were 24 males and 91 females with a mean age of (80.9±11.0) years. The reduction for the fractures was divided into a diaphysis reduction stage (Phase Ⅰ) and a cortical reduction stage (Phase Ⅱ). Based on the relative positions of the intraoperative bone blocks, Phase Ⅰ was divided into an anterior and posterior interlocking type (Phase Ⅰa) and a distal bone block sinking displacement type (Phase Ⅰb) while Phase Ⅱ into a proximal lifting type (Phase Ⅱa), a posterior angulation type (Phase Ⅱb), a positive support type (Phase Ⅱc), and a negative support type (Phase Ⅱd). Depending on the difficulties encountered in different reduction stages, corresponding close reduction strategies (such as top rod support, percutaneous prying, and Joystick technique) were adopted to restore the proximal femoral neck shaft angle, anteversion angle, anterior medial cortex, and length of the affected limb before fixation with intramedullary nails. Recorded were the patient's surgical time, intraoperative bleeding, quality of postoperative reduction, fracture union time, and complications.Results:The surgical time for this group of patients was 70.0(60.0, 92.0) minutes, and the intraoperative blood loss 200.0 (170.0, 200.0) mL. According to the standards by Baumgaertner et al., the quality of postoperative reduction was evaluated as excellent in 103 cases and as good in 12 cases, with an excellent and good rate of 100.0% (115/115). Of the 115 patients, 86 were followed up for more than 6 months to reveal fracture union in all after a duration of 6.0 (4.0, 8.0) months. One patient died of an acute cardiovascular event in the hospital 5 days after surgery. Two patients lost their mobility within 3 months after surgery due to acute cerebral infarction. There was no internal fixation failure requiring secondary surgery or no incision infection.Conclusion:Guided by our self-designed classification system of irreducible intertrochanteric fractures based on the intraoperative reduction stage and the relative position of bone block, real time intraoperative fluoroscopy images can be used to effectively clarify the difficulty of fracture reduction in stages so that corresponding reduction strategies can be adopted, leading to fine clinical efficacy.
3.A prediction model for postoperative 30-day complications in elderly patients with hip fracture based on a nomogram
Fengpo SUN ; Xiangxue LIU ; Ze ZHANG ; Tongyi ZHANG ; Quan JI ; Liangyuan WEN
Chinese Journal of Orthopaedic Trauma 2023;25(9):770-776
Objective:To establish a visualized nomogram which can predict the rate of 30-day complications in the elderly patients after hip fracture.Methods:A retrospective study was conducted to analyze the clinical data of 1,074 patients with hip fracture aged 60 years and over who had been admitted to Department of Orthopedics, Beijing Hospital from January 2010 to December 2017. There were 335 males and 739 females with an average age of (80.3±7.3) yeas, 529 intertrochanteric fractures of the femur (all fixed with intramedullary nails after closed reduction), and 545 femoral neck fractures (including 470 ones treated with artificial femoral head replacement and 75 ones treated with artificial total hip replacement). The duration between injury to operation was (6.2±3.7) d. After the complications within 30 days after surgery were recorded, the risk factors for postoperative complications were screened using the binary multi-factor logistic regression analysis. The visualized nomogram and calibration graph were established with the risk factors screened.Results:Of the 1,074 patients, 28.49% (306/1,074) suffered from 30-day complications. The multivariate regression analysis showed that age ( OR=1.050, 95% CI: 1.022 to 1.080, P=0.001), time from injury to surgery ( OR=1.043, 95% CI: 1.005 to 1.083, P=0.027), white blood cell count ( OR=1.093, 95% CI: 1.033 to 1.158, P=0.002), serum albumin level ( OR=0.930, 95% CI: 0.883 to 0.980, P=0.007), troponin I ( OR=195.983, 95% CI: 2.224 to 17,268.296, P=0.021), respiratory system comorbidities ( OR=2.020, 95% CI: 1.287 to 3.170, P=0.002),cardiovascular comorbidities ( OR=1.388, 95% CI: 1.098 to 1.754, P=0.006), and neurological system comorbidities ( OR=1.778, 95% CI: 1.346 to 2.349, P<0.001) were the risk factors for 30-day complications after surgery in elderly patients with hip fracture. Based on these risk factors, a nomogram was created, with an area under the curve of 0.714. The calibration graph showed that the incidence predicted was close to that measured. Conclusion:The present study has established a visualized nomogram which can predict the rate of 30-day complications in the elderly patients after hip fracture based on age, time from injury to surgery, white blood cell count, serum albumin levels, troponin I, and cardiovascular, respiratory and neurological complications.
4.Epidemiological characteristics analysis of hip fractures in the elderly
Ze ZHANG ; Fengpo SUN ; Junchuan LIU ; Tongyi ZHANG ; Yudian QIU ; Yawen ZHANG ; Yi ZHU ; Yali HU ; Quan JI ; Liangyuan WEN
Chinese Journal of Geriatrics 2022;41(7):762-766
Objective:To analyze the epidemiological characteristics of geriatric hip fractures.Methods:This study retrospectively analyzed the clinical characteristics of 2 054 elderly patients with hip fracture aged 60 years and over who were admitted to Beijing Hospital from January 2011 to December 2020.The epidemiological characteristics of geriatric hip fractures were analyzed from the aspects of age, gender, fracture type, length of stay, surgical method and surgical complications.Results:The total number of hip fractures patients admitted from 2011 to 2020 showed a general upward trend in quantity.Among them, there were 1 177 femoral neck fractures(57.3%, 1 177/2 054), and 877 intertrochanteric femoral fractures(42.7%, 877/2 054)with statistical differences in the distribution of fracture types between patients at different ages( χ2=61.727, P<0.001). A total of 1 839 patients chose surgical treatment, accounting for 89.5% of the total number of patients.Artificial femoral head arthroplasty was the most common operation mode for patients with femoral neck fractures(783 cases, 75.4%).534 patients with intertrochanteric femoral fractures(66.8%)were treated with closed reduction and femoral intramedullary nailing.There was a statistically significant difference in operation modes among different fracture types( χ2=1 480.800, P<0.001). The length of hospital stay in patients with femoral neck fracture was(14.2±8.3)days, which was significantly longer than in patients with femoral neck fracture(13.2±10.9)days( t=2.417, P=0.016). There was no significant difference in the time from admission to operation between the two groups[(5.7±3.5)days vs.(5.4±3.3)days]( t=1.954, P=0.051). Among all the comorbidities of hip fracture patients, the top 5 diseases were cardiovascular system diseases(2 001 cases, 97.4%), nervous system diseases(1 105 cases, 53.8%), endocrine system diseases(814 cases, 39.6%), skeletal and muscular system diseases(623 cases, 30.3%), digestive system diseases(472 cases, 23.0%).1 485 patients(72.3%)had 3 or more comorbidities. Conclusions:Hip fractures in the elderly have some epidemiological distribution characteristics in terms of age, gender, length of hospitalization, injury mechanism and comorbidities, which is conducive to further improve the prevention and treatment strategies for hip fractures and promote the rational allocation of medical resources.
5.Clinical characteristics and prognostic analysis of hip fractures in patients aged 90 and over
Junchuan LIU ; Qiang WANG ; Fengpo SUN ; Tongyi ZHANG ; Ze ZHANG ; Liangyuan WEN
Chinese Journal of Geriatrics 2022;41(7):776-779
Objective:To investigate the clinical characteristics and prognosis of hip fractures in patients aged 90 and over.Methods:Clinical data of hip fracture patients aged 90 years and older admitted to Beijing Hospital from January 2016 to June 2020 were retrospectively analyzed.Patients were divided into a surgical treatment group and a conservative treatment group according to treatment received.Mortality and walking function 30 days and 1 year after injury were followed up.The mortality and walking function 1 year after injury in the two groups of patients were compared and analyzed, and related factors affecting the 1-year mortality rate of the surgical treatment group were analyzed.Results:Eventually 114 cases were included, with 18 in the conservative treatment group and 96 in the surgical treatment group.There were no significant differences in age, sex, American Society of Anesthesiologists(ASA)score, comorbidities, fracture type, hemoglobin, total protein, albumin and coagulation function at admission, walking ability before injury, and length of stay between the two groups(all P>0.05). Of the 18 conservatively treated patients, 9 died within 1 year(50.0%). Among 96 surgically treated patients, 20 died within 1 year(20.8%). The difference between the two groups was statistically significant( χ2=6.789, P=0.016). Among the 9 patients who survived 1 year after injury under conservative treatment, 1(11.1%)was able to walk independently, 2(22.2%)were able to walk with a walker, and 6(66.7%)were unable to walk; Among the 76 surviving patients 1 year after injury under surgical treatment, 16(21.1%)were able to walk independently, 50(65.8%)were able to walk with a walker, and 10(13.1%)were unable to walk.There was a statistically significant difference in walking ability between the two groups( χ2=20.030, P<0.001). Univariate analysis results showed that ASA score, walking ability before injury and total protein were correlated with 1-year mortality after injury( χ2 or t=5.803, -2.176, 29.400, all P<0.05). Multivariate logistic regression results showed that the inability to walk independently before injury was an independent risk factor for death within 1 year after injury[ HR(95% CI)=15.95(4.42-57.55), P<0.001]. Conclusions:The prognosis of surgical treatment of hip fractures in patients aged 90 and over is better than that of conservative treatment.The inability to walk independently before injury is an independent risk factor for death within 1 year after injury.
6.Analysis of the risk factors of postoperative delirium in the elderly hip fracture patients
Fengpo SUN ; Xiangxue LIU ; Tongyi ZHANG ; Ze ZHANG ; Junchuan LIU ; Quan JI ; Liangyuan WEN
Chinese Journal of Geriatrics 2022;41(7):789-792
Objective:To analyze the risk factor of postoperative delirium in the elderly hip fracture patients.Methods:A total of 1051 patients with hip fracture aged 60 years and over, admitted to Beijing Hospital from January 2010 to December 2017 were retrospectively analyzed.They were divided into a postoperative delirium group(n=156)with 56 males and 100 females, 81 femoral neck fractures and 75 intertrochanteric fractures, and the control group(n=895)with no delirium, receiving the corresponding treatment in the same period.The complications, laboratory tests, fracture types, operation methods, the time from fracture to operation, operation time, intraoperative blood loss, intraoperative blood transfusion were compared between the two groups.Risk factors of postoperative delirium in the elderly hip fracture patients were screened using the binary multi-factor logistic regression analysis.Results:Of the 1 051 patients, 156 cases(14.8%)delirium occurred.There was no significant difference in fracture type and operation methods( P>0.05)between the 2 groups.The age was significantly older in the observation group(82.9±6.6)years than in the control group(79.9±7.2)years.The serum albumin before operation(37.1±2.9)g/L, creatinine clearance rate(52.4±22.2)ml·min -1·(1.73 m 2) -1in the observation group were significantly lower than in the control group[(37.8±3.8)g/L, (59.0±30.0)ml·min -1·(1.73 m 2) -1]( P<0.05). The past dementia rate was higher in delirium group[19.8%(31 cases)]than in control group[2.2%(20 cases)], with statistically significant difference( χ2=89.503, P<0.01). The proportion of patients with more than two medical diseases was higher in delirium group[51.9%(81 cases)]than in control group[40.3%(361)]( χ2=7.320, P<0.01). There were no significant differences(all P>0.05)between.the two groups in hemoglobin, white blood cell, serum K and Na, American Society of Anesthesiologists(ASA)grade, and the incidences of Parkinson's disease, pulmonary diseases and cardiovascular diseases(all P>0.05). The binary multi-factor Logistic regression analysis showed that the age, past dementia and kidney dysfunction were the risk factors for the postoperative delirium in the elderly hip fracture patients(all P>0.05). Conclusions:The incidence of postoperative delirium in the elderly hip fractures patients is high.Age, past dementia and kidney dysfunction are the risk factors for postoperative delirium in the elderly hip fracture patients, which should be prevented and improved preoperatively.
7.Stick supporting reposition used to treat irreducible intertrochanteric fractures
Fengpo SUN ; Xiangxue LIU ; Tongyi ZHANG ; Junchuan LIU ; Ze ZHANG ; Quan JI ; Liangyuan WEN
Chinese Journal of Orthopaedic Trauma 2021;23(9):782-787
Objective:To evaluate our self-designed stick supporting reposition which was used to treat irreducible intertrochanteric fractures.Methods:A retrospective study was conducted of the 138 patients with irreducible intertrochanteric fracture (an observational group) who had been treated by stick supporting reposition followed by intramedullary nailing at Department of Orthopaedics, Beijing Hospital between April 2015 and December 2019. They were 45 males and 93 females with an age of (79.9±8.2) years; by AO classification, there were 25 cases of type 31-A1, 98 cases of type 31-A2 and 15 cases of type 31-A3. The other 142 patients with irreducible intertrochanteric fracture were included as a control group who had been treated by open or limited open reduction and intramedullary nailing between January 2010 and March 2015. The 2 groups were compared in terms of reduction time, operation time, intraoperative blood loss, reduction quality, fracture union time and complications.Results:The 2 groups were comparable because there was no significant difference between them in preoperative general data or follow-up time ( P>0.05). The reduction time [(12.0±3.4) min], operation time [(64.1±6.5) min], and intraoperative blood loss [(228.0±40.0) mL] in the observational group were significantly less than those in the control group [(18.3±8.9) min, (72.3±11.2) min and (319.1±95.0) mL] ( P<0.05). The reduction quality in the observational group (82 excellent and 56 acceptable cases) was significantly better than that in the control group (63 excellent, 65 acceptable and 14 poor cases) ( P<0.05). The fracture union time for the observational group [(3.8±0.9) months] was significantly shorter than that for the control group [(4.0±0.9) months] ( P>0.05). There were 6 cases of internal fixation failure and 8 cases of hip varus deformity in the control group, but no such complications occurred in the observational group. Conclusion:In the treatment of irreducible intertrochanteric fractures, compared with open or limited open reduction, our stick supporting reposition may shorten operation time, reduce intraoperative blood loss and improve quality of fracture reduction.
8.Preliminary results of multicenter studies on ABO-incompatible kidney transplantation
Hongtao JIANG ; Tao LI ; Kun REN ; Xiaohua YU ; Yi WANG ; Shanbin ZHANG ; Desheng LI ; Huiling GAN ; Houqin LIU ; Liang XU ; Zhigang LUO ; Peigen GUI ; Xiangfang TAN ; Bingyi SHI ; Ming CAI ; Xiang LI ; Junnan XU ; Liang XU ; Tao LIN ; Xianding WANG ; Hongtao LIU ; Lexi ZHANG ; Jianyong WU ; Wenhua LEI ; Jiang QIU ; Guodong CHEN ; Jun LI ; Gang HUANG ; Chenglin WU ; Changxi WANG ; Lizhong CHEN ; Zheng CHEN ; Jiali FANG ; Xiaoming ZHANG ; Tongyi MEN ; Xianduo LI ; Chunbo MO ; Zhen WANG ; Xiaofeng SHI ; Guanghui PEI ; Jinpeng TU ; Xiaopeng HU ; Xiaodong ZHANG ; Ning LI ; Shaohua SHI ; Hua CHEN ; Zhenxing WANG ; Weiguo SUI ; Ying LI ; Qiang YAN ; Huaizhou CHEN ; Liusheng LAI ; Jinfeng LI ; Wenjun SHANG ; Guiwen FENG ; Gang CHEN ; Fanjun ZENG ; Lan ZHU ; Jun FANG ; Ruiming RONG ; Xuanchuan WANG ; Guisheng QI ; Qiang WANG ; Puxun TIAN ; Yang LI ; Xiaohui TIAN ; Heli XIANG ; Xiaoming PAN ; Xiaoming DING ; Wujun XUE ; Jiqiu WEN ; Xiaosong XU
Chinese Journal of Organ Transplantation 2020;41(5):259-264
Objective:To summarize the patient profiles and therapeutic efficacies of ABO-incompatible living-related kidney transplantations at 19 domestic transplant centers and provide rationales for clinical application of ABOi-KT.Methods:Clinical cases of ABO-incompatible/compatible kidney transplantation (ABOi-KT/ABOc-KT) from December 2006 to December 2009 were collected. Then, statistical analyses were conducted from the aspects of tissue matching, perioperative managements, complications and survival rates of renal allograft or recipients.Results:Clinical data of 342 ABOi-KT and 779 ABOc-KT indicated that (1) no inter-group differences existed in age, body mass index (BMI), donor-recipient relationship or waiting time of pre-operative dialysis; (2) ABO blood type: blood type O recipients had the longest waiting list and transplantations from blood type A to blood type O accounted for the largest proportion; (3) HLA matching: no statistical significance existed in mismatch rate or positive rate of PRA I/II between two types of surgery; (4) CD20 should be properly used on the basis of different phrases; (5) hemorrhage was a common complication during an early postoperative period and microthrombosis appeared later; (6) no difference existed in postoperative incidence of complications or survival rate of renal allograft and recipients at 1/3/5/10 years between ABOi-KT and ABOc-KT. The acute rejection rate and serum creatinine levels of ABOi-KT recipients were comparable to those of ABOc-KT recipients within 1 year.Conclusions:ABOi-KT is both safe and effective so that it may be applied at all transplant centers as needed.
9.Operation mode to prevent obturator nerve reflex in plasmakinetic resection of bladder tumor
Bin SHEN ; Tongyi MEN ; Xiaoming ZHANG ; Jiwei YANG ; Xianduo LI ; Dongdong CHEN ; Jianning WANG
Chinese Journal of Urology 2019;40(7):517-520
Objective To observe the results and reality of transurethral resection of bladder tumor with preexcitation of electric cutting loop in the prevention of obturator nerve reflex.Methods The clinical data of 186 patients with bladder tumors admitted from January 2015 to August 2018 were retrospectively analyzed.There were 112 males and 74 females aged 35 to 83 years,average (59 ± 11)years.76 patients were admitted because of intermittent gross hematuria and 110 patients were admitted because of physical check-up.All patients underwent ultrasound,CT (plain scan/enhancement) and cystoscopy before operation.The pathological diagnosis of cystoscopy biopsy was bladder urothelial cell carcinoma.There were 105 cases clinical stage Ta stage,81 cases of T1 stage.There were 103 single cases and 39 multiple cases of non-muscular invasive bladder.According to the different surgical techniques,the patients were divided into two groups:the pre-excitation group and lateral incision group.There were 142 cases in pre-excitation group.In the pre-excitation group,the tumors were removed routinely by the resection ring.When the resection ring was far away from the tumors,the pedal switch was pressed to excite the resection ring.The resection ring was moved to the location of the tumors,and the tumors were cut to the muscular layer.The operation was completed after 2 cm electric cauterization around the wound and hemostasis.In the lateral incision group,the tumors were removed routinely by the electric resection ring.The operation time,incidence of obturator nerve reflex,incidence of bladder perforation,amount of bleeding,retention time of catheter,pathological grading,risk grading,hospitalization time and recurrence rate of tumors at 6 months after operation were compared between the two groups.Results The operation was successfully completed in both groups,and there was no transition to open operation.In the pre-excitation group,the operation time was 10 minutes to 56 minutes,with an average of (28 ± 12) minutes,and the intraoperative blood loss ranged from 5 ml to 70 ml,with an average of (35 ± 15) ml.In the lateral incision group,the operation time was 15 minutes to 65 minutes,with an average of (28 ± 11) minutes,and the blood loss was 10 ml to 80 ml,with an average of (40 ± 15) ml.There was no significant difference in operation time and blood loss between the two groups (P > 0.05).There were only 3 cases of obturator nerve reflex in preexcitation group,the incidence was 2.1%.There were 13 cases of obturator nerve reflex in lateral resection group,the incidence was 29.5%.There was significant difference of nerve reflex incidence between the two groups (P < 0.05).Conclusions In transurethral resection of bladder tumors,the method of pre-excitation of plasma resection ring can effectively decrease obturator nerve reflex and make the operation safer.
10.Long-term efficacy of laparoscope-assisted transanal total mesorectal excision for rectal cancer.
Dachao ZHANG ; Yuanguang CHEN ; Ming HU ; Jiongqiang HUANG ; Tongyi XIA ; Zhiwei YE ; Guangming WEN ; Gaofang ZHAN ; Jian LEI ; Yike ZENG ; Jinsong CHEN ; Chuanfeng KE
Chinese Journal of Gastrointestinal Surgery 2019;22(3):262-266
OBJECTIVE:
To investigate the long-term outcome of laparoscope-assisted transanal total mesorectal excision (taTME) for rectal cancer.
METHODS:
Clinicopathological data of 29 patients with mid-low rectal cancer undergoing laparoscope-assisted taTME at Department of Gastrointestinal Surgery, the First Affiliated Hospital of Guangzhou Medical University from May 2010 to December 2015 were collected for the retrospective case-series study. All the operations were performed with transabdominal and transanal procedure simultaneously or sequentially. Perioperative presentations, pathological examinations, and oncologic outcomes were retrospectively analyzed. Long-term recurrence, metastasis and survival were assessed during follow-up. Outpatient clinic and telephone survey were used for follow-up. The follow-up time ended in December 2018. The overall survival (OS) rate and disease-free survival (DFS) rate were calculated by the Kaplan-Meier method.
RESULTS:
The average intra-operative blood loss was (75.9±9.5) ml (range,20 to 200). The average operating time was (223.6±4.1) minutes (range, 165 to 280). The average number of harvested lymph node was 22.3±2.0. The average length of pathological specimen was (13.1±0.6) cm. The average distal resection margin was (2.9±0.2) cm. 89.7% (26/29) of specimens was complete and 10.3% (3/29) near complete. Two cases (6.9%) had positive cutting circumferential margin. Median follow-up was 56 (range, 22 to 91) months. Local recurrence rate, distant metastasis rate, 3-year OS rate, 3-year DFS rate, 5-year OS rate, 5-year DFS rate were 10.3% (3/29), 20.7%(6/29), 96.6%, 83.2%, 87.6% and 79.6%, respectively. No incisional hernia or adhesive intestinal obstruction was found.
CONCLUSION
Long-term outcomes of mid-low rectal cancer patients undergoing laparoscope-assisted taTME are satisfactory.
Humans
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Laparoscopes
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Neoplasm Recurrence, Local
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Rectal Neoplasms
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surgery
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Rectum
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Retrospective Studies
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Transanal Endoscopic Surgery

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