1.Current status of palliative care for patients with unresectable metastatic colorectal cancer in China: a questionnaire-based survey
Feng WANG ; Dongliang CHEN ; Zixian WANG ; Ye HE ; Jin LI ; Suzhan ZHANG ; Gong CHEN ; Jianmin XU ; Xianglin YUAN ; Yanqiao ZHANG ; Ruihua XU
Chinese Journal of Gastrointestinal Surgery 2024;27(7):718-725
		                        		
		                        			
		                        			Objective:To analyze the current adoption of palliative care by patients with unresectable metastatic colorectal cancer (mCRC) in China.Methods:From 1 March 2023 to 30 June 2023, a questionnaire survey was conducted by random sampling. An exclusive research platform for the Blue Book on Clinical Diagnosis and Treatment of Metastatic Colorectal Cancer. An online questionnaire was sent to medical oncologists (including chief physicians, associate chief physicians, attending physicians and residents) in general hospitals and oncology hospitals in four major regions of East, Central, South and Northeast China. The questionnaire contained 28 questions requesting basic information about doctors, the number of patients with mCRC, the status of treatment from first to fourth line and beyond, points concerning treatment of pain in patients with mCRC, and expectations for the future. A medical team was responsible for the quality control of data collected, whereas statisticians performed the data cleaning and sorting and statistical analysis.Results:A total of 300 clinical questionnaires were collected, including 217 (72%) from doctors in general hospitals and 83 (28%) from doctors in oncology hospitals. Senior physicians (including associate chief physicians and chief physicians) accounted for 65% of the respondents, attending physicians 30%, and residents 5%. Within 3 months (average for each month), 46.4±26.6% patients were diagnosed with recurrent or unresectable mCRC by each physician, 51.6±26.8% of the patients being in cancer hospitals and 44.4±26.3% in general hospitals. One hundred percent of patients receiving first-line treatment received palliative care, as did 80.3% of those receiving second-line treatment, 58.2% of those receiving third-line treatment, and 35.1% of those receiving ≥fourth-line treatment. The primary factor governing selection of first-line treatment was guideline recommendations, whereas comorbidities and the patients' physical status dictated second line to fourth line treatment. Standard first-line treatment was administered to 93.8% of eligible patients, standard second-line treatment to 94.3%; and standard third-line treatment to 73.5%. First-line therapy included targeted therapy in 63.6% of patients and immunotherapy in 2.8%; second-line therapy included targeted therapy in 63.0% of patients and immunotherapy in 2.0%; third-line therapy included targeted therapy in 59.2% of patients and immunotherapy in 2.2%; and fourth-line therapy included targeted therapy in 48.7% of patients and immunotherapy in 3.1%. First-line treatment lasted an average of 9.6 months, second-line treatment 6.7 months, third-line treatment 4.9 months, and fourth-line treatment 3.7 months. More than 70% of the patients maintained a good quality of life after receiving first and second-line treatment and more than 60% of them had ECOG performance scores of 0–1. After receiving third- and fourth-line treatment, 50%–60% of patients maintained a good quality of life and 40%–50% of them maintained ECOG performance scores of 0–1. The survey also revealed that the main deficiencies in treatment were limited effectiveness of third-line treatment, insufficient availability and opportunity for clinical research, popularity of new drugs or new drug combination strategies, and limited channels for participation in multidisciplinary diagnosis and treatment. Clinicians reported looking forward to participating in more clinical research on new drugs, hearing about the experience of experts in the field, and discovery of new targets and new drugs that increased the options for posterior line treatment of colorectal cancer.Conclusions:This report objectively summarizes the current situation, treatment difficulties, and expectations of frontline physicians concerning management of mCRC, thus providing a basis for decision-making and future direction for the diagnosis and research on treatment of mCRC.
		                        		
		                        		
		                        		
		                        	
2.Current status of palliative care for patients with unresectable metastatic colorectal cancer in China: a questionnaire-based survey
Feng WANG ; Dongliang CHEN ; Zixian WANG ; Ye HE ; Jin LI ; Suzhan ZHANG ; Gong CHEN ; Jianmin XU ; Xianglin YUAN ; Yanqiao ZHANG ; Ruihua XU
Chinese Journal of Gastrointestinal Surgery 2024;27(7):718-725
		                        		
		                        			
		                        			Objective:To analyze the current adoption of palliative care by patients with unresectable metastatic colorectal cancer (mCRC) in China.Methods:From 1 March 2023 to 30 June 2023, a questionnaire survey was conducted by random sampling. An exclusive research platform for the Blue Book on Clinical Diagnosis and Treatment of Metastatic Colorectal Cancer. An online questionnaire was sent to medical oncologists (including chief physicians, associate chief physicians, attending physicians and residents) in general hospitals and oncology hospitals in four major regions of East, Central, South and Northeast China. The questionnaire contained 28 questions requesting basic information about doctors, the number of patients with mCRC, the status of treatment from first to fourth line and beyond, points concerning treatment of pain in patients with mCRC, and expectations for the future. A medical team was responsible for the quality control of data collected, whereas statisticians performed the data cleaning and sorting and statistical analysis.Results:A total of 300 clinical questionnaires were collected, including 217 (72%) from doctors in general hospitals and 83 (28%) from doctors in oncology hospitals. Senior physicians (including associate chief physicians and chief physicians) accounted for 65% of the respondents, attending physicians 30%, and residents 5%. Within 3 months (average for each month), 46.4±26.6% patients were diagnosed with recurrent or unresectable mCRC by each physician, 51.6±26.8% of the patients being in cancer hospitals and 44.4±26.3% in general hospitals. One hundred percent of patients receiving first-line treatment received palliative care, as did 80.3% of those receiving second-line treatment, 58.2% of those receiving third-line treatment, and 35.1% of those receiving ≥fourth-line treatment. The primary factor governing selection of first-line treatment was guideline recommendations, whereas comorbidities and the patients' physical status dictated second line to fourth line treatment. Standard first-line treatment was administered to 93.8% of eligible patients, standard second-line treatment to 94.3%; and standard third-line treatment to 73.5%. First-line therapy included targeted therapy in 63.6% of patients and immunotherapy in 2.8%; second-line therapy included targeted therapy in 63.0% of patients and immunotherapy in 2.0%; third-line therapy included targeted therapy in 59.2% of patients and immunotherapy in 2.2%; and fourth-line therapy included targeted therapy in 48.7% of patients and immunotherapy in 3.1%. First-line treatment lasted an average of 9.6 months, second-line treatment 6.7 months, third-line treatment 4.9 months, and fourth-line treatment 3.7 months. More than 70% of the patients maintained a good quality of life after receiving first and second-line treatment and more than 60% of them had ECOG performance scores of 0–1. After receiving third- and fourth-line treatment, 50%–60% of patients maintained a good quality of life and 40%–50% of them maintained ECOG performance scores of 0–1. The survey also revealed that the main deficiencies in treatment were limited effectiveness of third-line treatment, insufficient availability and opportunity for clinical research, popularity of new drugs or new drug combination strategies, and limited channels for participation in multidisciplinary diagnosis and treatment. Clinicians reported looking forward to participating in more clinical research on new drugs, hearing about the experience of experts in the field, and discovery of new targets and new drugs that increased the options for posterior line treatment of colorectal cancer.Conclusions:This report objectively summarizes the current situation, treatment difficulties, and expectations of frontline physicians concerning management of mCRC, thus providing a basis for decision-making and future direction for the diagnosis and research on treatment of mCRC.
		                        		
		                        		
		                        		
		                        	
3.Recommendations for prescription review of commonly used anti-seizure medications in treatment of children with epilepsy
Qianqian QIN ; Qian DING ; Xiaoling LIU ; Heping CAI ; Zebin CHEN ; Lina HAO ; Liang HUANG ; Yuntao JIA ; Lingyan JIAN ; Zhong LI ; Hua LIANG ; Maochang LIU ; Qinghong LU ; Xiaolan MO ; Jing MIAO ; Yanli REN ; Huajun SUN ; Yanyan SUN ; Jing XU ; Meixing YAN ; Li YANG ; Shengnan ZHANG ; Shunguo ZHANG ; Xin ZHAO ; Jie DENG ; Fang FANG ; Li GAO ; Hong HAN ; Shaoping HUANG ; Li JIANG ; Baomin LI ; Jianmin LIANG ; Jianxiang LIAO ; Zhisheng LIU ; Rong LUO ; Jing PENG ; Dan SUN ; Hua WANG ; Ye WU ; Jian YANG ; Yuqin ZHANG ; Jianmin ZHONG ; Shuizhen ZHOU ; Liping ZOU ; Yuwu JIANG ; Xiaoling WANG
Chinese Journal of Applied Clinical Pediatrics 2023;38(10):740-748
		                        		
		                        			
		                        			Anti-seizure medications (ASMs) are the main therapy for epilepsy.There are many kinds of ASMs with complex mechanism of action, so it is difficult for pharmacists to examine prescriptions.This paper put forward some suggestions on the indications, dosage forms/routes of administration, appropriateness of usage and dosage, combined medication and drug interaction, long-term prescription review, individual differences in pathophysiology of children, and drug selection when complicated with common epilepsy, for the reference of doctors and pharmacists.
		                        		
		                        		
		                        		
		                        	
4.Practice and research on the whole course medication management mode led by pharmacists in rheumatic immune diseases
Jianmin LIU ; Yikai LIN ; Hegui HUANG ; Ye HUANG ; Qiuyu FAN ; Huiqin YANG ; Shaohui ZHANG
China Pharmacy 2022;33(17):2147-2151
		                        		
		                        			
		                        			OBJECT IVE To evaluate the application effect of the whole cour se medication management mode led by pharmacists in rheumatic immune diseases. METHODS A total of 122 patients treated with tacrolimus or cyclosporine in the department of rheumatology and immunology of Wuhan No. 1 Hospital from 2018 to 2020 were selected as the study subjects. Among them ,44 cases in the control group were under the traditional supervision mode ;78 patients in the observation group adopted the whole course medication management mode led by pharmacists ,that was ,individual pharmacists and specialist clinical pharmacists cooperated and led ,and not only participated in the whole process of drug treatment but also involved in the whole process of therapeutic drug monitoring (TDM). On the basis of the control group ,the division of labor and cooperation among medical,pharmaceutical and nursing parties were strengthened ,and the homogeneous supervision was carried out for the outpatients and inpatients from admission to discharge . The daily dose of medication ,the rate of reaching the standard of blood drug concentration ,the incidence of problematic samples (the sample was calculated by the number of times ),the average hospitalization days ,the re-admission rate within 6 months after discharge ,the medication compliance score and the patient ’s satisfaction rate were compared between the two groups. RESULTS In the control group ,53 times of TDM were performed , including 18 times of tacrolimus monitoring and 35 times of cyclosporine monitoring ;in the observation group ,123 timesof TDM were performed ,including 55 times of tacrolimus monitoring and 68 times of cyclosporine monitoring. The daily dose of tacrolimus ,the daily dose of cyclosporine ,the rate of reaching the standard of cyclosporine blood drugconcentration,the inc idence of problematic samples ,the rate of re-admission within 6 months after discharge , the medication compliance score and the patient ’s satisfaction rate in the observation group were significantly better than those in the control group (P<0.05). CONCLUSIONS It can effectively improve the effect of the quality of pharmaceutical care to implement whole course and homogeneous medication management led by pharmacists and provide precise drug guidance for patients with rheumatic and immune diseases.
		                        		
		                        		
		                        		
		                        	
5.Survey on vision-related quality of life for visual impairment students in special school
Ting CHEN ; Ganlin XIE ; Wenwen YE ; Zhiyong MENG ; Yuhong XIE ; Luoming HUANG ; Jianmin HU ; Liquan DONG ; Wenjian SHI
Chinese Journal of Rehabilitation Theory and Practice 2022;28(1):119-124
		                        		
		                        			
		                        			Objective To investigate visual impairment students' quality of life and its influencing factors in Braille learning class at Quanzhou Special School. Methods November, 2020, 52 students (aged seven to 26) with the best corrected distance visual acuity of the better eye above 0.02 were investigated with near visual acuity, contrast sensitivity and Chinese-version Low Vision Quality of Life Questionnaire (CLVQOL). The subjects were divided into second grade blindness group, first grade low vision group and second grade low vision group according to the best corrected distance visual acuity of the better eye. Results There were significant differences in distance visual acuity (Z = 45.671, P < 0.001), near visual acuity (Z = 24.972, P < 0.001), and contrast sensitivity (CS) ( Z = 13.285, P = 0.001) among three groups. There was a correlation between near visual acuity and distance visual acuity (r = 0.74, P < 0.001), CS to distance visual acuity (r = -0.58, P < 0.001) and near visual acuity (r = -0.57, P < 0.001), score of CLVQOL and CS (r = 0.44, P < 0.001). There were significant differences in the total score (Z = 10.145, P = 0.006), distance visual acuity subscale (Z = 13.586, P = 0.001), psychological adjustment subscale (Z = 7.824, P = 0.020), reading and fine work subscale (Z = 7.923, P = 0.019) of CLVQOL among the three groups. Conclusion Quality of life is different with the visual impairment for students in special school, especially the distance visual acuity, psychological adjustment and fine reading. CS correlates to the quality of life of visually impaired students, which needs to be a part of evaluation of visual function.
		                        		
		                        		
		                        		
		                        	
6.Efficacy of venetoclax combined azacitidine in newly diagnosed acute myeloid leukemia unfit for standard chemotherapy: a single center experience
Li SUN ; Shaojie YE ; Nan ZHOU ; Xinzhi HAN ; Jiaxu QI ; Xiaojun LIU ; Jianmin LUO ; Lin YANG
Chinese Journal of Hematology 2022;43(10):826-832
		                        		
		                        			
		                        			Objective:To investigate the effectiveness and safety of the VA regimen, which combines venetoclax with azacitidine in the treatment of patients with newly diagnosed acute myeloid leukemia (AML) who are not suitable candidates for conventional chemotherapy.Methods:In the Department of Hematology at the Second Hospital of Hebei Medical University, 66 AML patients who received venetoclax and azacitidine treatment from May 2020 to March 2022 were the subject of a retrospective study. The complete remission (CR) rate, cCR rate, ORR rate, MRD negative rate, the incidence of adverse events,1-year EFS, and OS were retrospectively analyzed. Patients subgroups with varying ages, ECOG scores, primary and secondary, risk stratifications, and gene mutation were compared for differences in efficacy and survival.Results:The median follow-up was 4.25 (0.9-19.9) months, and the median number of treatment courses was 2 (1–8) cycles. After the first cycle, the cCR rate was 78.8% , and the MRD negative rate was 51.9% . After prolonged treatment, the cCR rate was 81.8% and MRD negative rate was 66.7% . The median EFS and OS, respectively, were13.2 and 15.3 months. Secondary AML showed inferior efficacy and prognosis. IDH1/2 or NPM1 mutation groups had a significantly higher rate of CR than the control group ( P<0.05) . The CR rate and MRD negative rate of patients with rebound thrombocytosis were significantly higher than those without rebound thrombocytosis ( P<0.05) . Those who had epigenetic modification mutations (DNMT3, ASXL1, TET2) were more likely to benefit from ongoing therapy. The most common grade 3 and 4 adverse reactions were neutropenia, thrombocytopenia, and anemia. Conclusions:In real-world patients with newly diagnosed AML who are not candidates for standard chemotherapy, the VA regimen produces rapid deep remission. Primary AML patients, rebound thrombocytosis, IDH1/2, and NPM1 gene mutations are favorable factors for treatment benefit, and adverse reactions were tolerable.
		                        		
		                        		
		                        		
		                        	
7.Risk factors for lymph node metastasis in T1 colorectal cancer and application value of its nomogram prediction model
Aobo ZHUANG ; Dexiang ZHU ; Pingping XU ; Tuo YI ; Qi LIN ; Ye WEI ; Jianmin XU
Chinese Journal of Digestive Surgery 2021;20(3):323-330
		                        		
		                        			
		                        			Objective:To investigate the risk factors for lymph node metastasis in T1 colorectal cancer and application value of its nomogram prediction model.Methods:The retrospective case-control study was conducted. The clinicopathological data of 914 patients with T1 colorectal cancer who underwent radical resection in the Zhongshan Hospital of Fudan University from June 2008 to December 2019 were collected. There were 528 males and 386 females, aged from 25 to 87 years, with a median age of 63 years. Observation indicators: (1) clinicopathological data of patients with T1 colorectal cancer; (2) follow-up; (3) analysis of influencing factors for lymph node metastasis; (4) development and internal validation of a nomogram predition model. Patients were regularlly followed up once three months within postoperative 2 years and once six months thereafter to detect tumor recurrence and survival. The endpoint of follow-up was at postoperative 5 years. Measurement data with normal distribution were represented as Mean±SD, and comparison between groups was analyzed using the t test. Measurement data with skewed distribution were represented as M (range). Count data were described as absolute numbers or percentages, and comparison between groups was analyzed using the chi-square test. The Kaplan-Meier method was used to calculate survival rates and draw survival curves. The Log-rank test was used for survival analysis. Univariate and multivariate analyses were performed using the Logistic regression analysis. Based on results of multivariate analysis, a Logistic regressional nomogram for prediction of lymph node metastasis probability was constructed using R language software. The calibration curve was used to evaluate the consistency between probability predicted by the nomogram model and actual observation probability, which was reprensented by a consistency index. The Bootstrap method was used for evaluation of the model performance to receive the calibration curve. The Hosmer-Lemeshow test was used to calculate the goodness of fit in model. Results:(1) Clinicopathological data of patients with T1 colorectal cancer: 687 of 914 patients underwent direct surgery and 227 underwent remedial operation after endoscopic resection. All the 914 patients were confirmed as pT1NxM0 colorectal cancer by pathological examination. The tumor diameter was (2.3±1.2)cm. The pathological catogaries of 914 patients included 865 cases of adenocarcinoma and 49 cases of mucinous adenocarcinoma. The tumor differentiation degree of 914 patients included 727 cases of high or middle differentiation and 187 cases of low differentiation or undifferentiation. Of the 914 patients, 633 cases had submucosal infiltration depth ≥1 000 μm and 281 cases had submucosal infiltration depth <1 000 μm. There were 110 cases with nerve vessel invasion and 804 without nerve vessel invasion. The number of intraoperative lymph node dissection was 13 (range, 1-48). There were 804 cases in stage N0 of N staging, 98 cases in stage N1 and 12 cases in stage N2. There was no perioperative death. (2) Follow-up: 886 of 914 patients were followed up for 25 months (range, 1-129 months). During the follow-up, 24 patients had tumor recurrence or metastasis. The 5-year cumulative tumor recurrence rate of 914 patients was 4.8% and the median recurrence time was 17.0 months. Liver was the main site of tumor recurrence, accounting for 58.3%(14/24). The 5-year recurrence-free survival rate of 914 patients was 95.2%. The 5-year recurrence-free survival rate was 96.3% of 804 patients without lymph node metastasis, versus 86.6% of 110 patients with lymph node metastasis, showing a significant difference between the two groups ( χ2=6.83, P<0.05). (3) Analysis of influencing factors for lymph node metastasis: results of univariate analysis showed that preoperative carcinoembryonic antigen (CEA), preoperative CA19-9, tumor differentiation degree, submucosal infiltration depth, nerve vessel invasion were related factors for lymph node metastasis in T1 colorectal cancer ( odds ratio=2.56, 3.25, 2.21, 2.68, 3.39, 95% confidence interval as 1.41-4.67, 1.22-8.66, 1.43-3.41, 1.56-4.88, 2.10-5.48, P<0.05). Results of multivariate analysis showed that preoperative CEA ≥5 μg/L, preoperative CA19-9 ≥37 U/mL, poor differentiation or undifferentiation, submucosal infiltration depth ≥1 000 μm and nerve vessel invasion were independent risk factors for lymph node metastasis in T1 colorectal cancer ( odds ratio=2.23, 3.47, 2.01, 2.31, 2.91, 95% confidence interval as 1.02-4.15, 1.08-10.87, 1.03-3.27, 1.40-4.47, 1.64-5.13, P<0.05). (4) Development and internal validation of a nomogram predition model: based on results of multivariate Logistic analysis, a nomogram prediction model for lymph node metastasis in T1 colorectal cancer was developed. The nomogram score was 59 for preoperative CEA >5 μg/L, 100 for preoperative CA19-9 ≥37 U/mL, 48 for poor differentiation or undifferentiation, 67 for submucosal infiltration depth ≥1 000 μm and 92 for nerve vessel invasion, respectively. The total of different scores for different clinicopathological factors corresponded to the probability of lymph node metastasis. The receiver operating characteristic curve was drawed to evaluate the predictive performance of nomogram for lymph node metastasis in T1 colorectal cancer, with the area under curve of 0.70(95% confidence interval as 0.64-0.75, P<0.05). The Bootstrap internal validation of predictive performance in the nomogram predition model showed a consistency index of 0.70 (95% confidence interval as 0.65-0.75). The calibration chart showed a good consistency between the probability predicted by the nomogram model and actual probability of lymph node metastasis. The Hosmer-Lemeshow test showed a good fitting effect in model ( χ2=1.61, P>0.05). Conclusions:Preoperative CEA ≥5 μg/L, preoperative CA19-9 ≥37 U/mL, poor differentiation or undifferentiation, submucosal infiltration depth ≥ 1 000 μm and nerve vessel invasion are independent risk factors for lymph node metastasis in T1 colorectal cancer. The constructed nomogram model can help predict the probability of lymph node metastasis in T1 colorectal cancer.
		                        		
		                        		
		                        		
		                        	
8.Hospitalization Due to Asthma Exacerbation: A China Asthma Research Network (CARN) Retrospective Study in 29 Provinces Across Mainland China
Jiangtao LIN ; Bin XING ; Huaping TANG ; Lan YANG ; Yadong YUAN ; Yuhai GU ; Ping CHEN ; Xiaoju LIU ; Jie ZHANG ; Huiguo LIU ; Changzheng WANG ; Wei ZHOU ; Dejun SUN ; Yiqiang CHEN ; Zhuochang CHEN ; Mao HUANG ; Qichang LIN ; Chengping HU ; Xiaohong YANG ; Jianmin HUO ; Xianwei YE ; Xin ZHOU ; Ping JIANG ; Wei ZHANG ; Yijiang HUANG ; Luming DAI ; Rongyu LIU ; Shaoxi CAI ; Jianying XU ; Jianying ZHOU ;
Allergy, Asthma & Immunology Research 2020;12(3):485-495
		                        		
		                        			
		                        			PURPOSE: Details of patients hospitalized for asthma exacerbation in mainland China are lacking. To improve disease control and reduce economic burden, a large sample survey among this patient population is indispensable. This study aimed to investigate the clinical characteristics and outcomes of such patients.METHODS: A retrospective study was conducted on patients hospitalized for asthma exacerbation in 29 hospitals of 29 regions in mainland China during the period 2013 to 2014. Demographic features, pre-admission conditions, exacerbation details, and outcomes were summarized. Risk factors for exacerbation severity were analyzed.RESULTS: There were 3,240 asthmatic patients included in this study (57.7% females, 42.3% males). Only 28.0% used daily controller medications; 1,287 (39.7%) patients were not currently on inhaled corticosteroids. Acute upper airway infection was the most common trigger of exacerbation (42.3%). Patients with severe to life-threatening exacerbation tended to have a longer disease course, a smoking history, and had comorbidities such as hypertension, chronic obstructive pulmonary disease (COPD), and food allergy. The multivariate analysis showed that smoking history, comorbidities of hypertension, COPD, and food allergy were independent risk factors for more severe exacerbation. The number of patients hospitalized for asthma exacerbation varied with seasons, peaking in March and September. Eight patients died during the study period (mortality 0.25%).CONCLUSIONS: Despite enhanced education on asthma self-management in China during recent years, few patients were using daily controller medications before the onset of their exacerbation, indicating that more educational efforts and considerations are needed. The findings of this study may improve our understanding of hospital admission for asthma exacerbation in mainland China and provide evidence for decision-making.
		                        		
		                        		
		                        		
		                        			Adrenal Cortex Hormones
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		                        			Asthma
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		                        			China
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		                        			Comorbidity
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		                        			Disease Progression
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		                        			Education
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		                        			Female
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		                        			Food Hypersensitivity
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		                        			Hospitalization
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		                        			Humans
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		                        			Hypertension
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		                        			Inpatients
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		                        			Medication Adherence
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		                        			Mortality
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		                        			Multivariate Analysis
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		                        			Pulmonary Disease, Chronic Obstructive
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		                        			Retrospective Studies
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		                        			Risk Factors
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		                        			Seasons
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		                        			Self Care
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		                        			Smoke
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		                        			Smoking
		                        			
		                        		
		                        	
9.Risk factors of anastomotic leakage after robotic surgery for low and mid rectal cancer
Jingwen CHEN ; Wenju CHANG ; Zhiyuan ZHANG ; Guodong HE ; Qingyang FENG ; Dexiang ZHU ; Tuo YI ; Qi LIN ; Ye WEI ; Jianmin XU
Chinese Journal of Gastrointestinal Surgery 2020;23(4):364-369
		                        		
		                        			
		                        			Objective:To investigate the risk factors associated with anastomotic leakage after robotic surgery in mid-low rectal cancer.Methods:A retrospective case-control study method was conducted. Inclusion criteria: (1) 18 to 80 years old; (2) pathologically confirmed rectal cancer; (3) distance <10 cm from tumor to anal margin; (4) robotic anterior rectal resection. Patients with previous history of colorectal cancer surgery, distant metastases or other malignant tumors, undergoing emergency surgery, with severe abdominal adhesions or those receiving combined organ resection were excluded. Based on the above criteria, 636 patients undergoing robotic radical sphincter-preserving surgery for mid-low rectal cancer in Zhongshan Hospital from January 2015 to December 2018 were included in this study, including 398 males (62.6%) and 238 females (37.4%) with a mean age of (61.9±11.3) years. Sixty-eight cases (10.7%) received neoadjuvant chemoradiotherapy. Amony the 636 included patients, 123(19.3%) underwent natural orifice specimen extraction surgery (NOSES) and 15 (2.3%) underwent preventive stoma. According to the cirteria developed by the International Rectal Cancer Research Group in 2010, the anastomotic leakage was classified as grade A (no requirement of intervention), B (requirement of intervention), and C (requirement of operation). Logistic regression was used to analyze the relationship between anastomotic leakage and clinicopathological factors. Factors in univariate analysis with P<0.05 were included in the multivariate analysis. Results:Anastomotic leakage occurred in 38 cases (6.0%). The grading of anastomotic leakage was grade A in 13 cases (2.0%), grade B in 19 cases (3.0%), and grade C in 6 cases (0.9%). The 3-year disease-free survival rate of patients with anastomotic leakage and without anastomotic leakage was 83.5% and 83.6% respectively ( P=0.862); the 3-year overall survival rate of the two group was 85.1% and 87.5% respectively ( P=0.296). The results of univariate logistic regression analysis showed that male ( P=0.011), longer operation time ( P=0.042), distance ≤5 cm from tumor to anal margin ( P=0.012), more intraoperative blood loss ( P=0.048) were associated with anastomotic leakage (all P<0.05). NOSES was not associated with anastomotic leakage ( P=0.704). Multivariate analysis confirmed that male (OR=3.03, 95%CI: 1.37 to 7.14, P=0.010), operation time ≥180 minutes (OR=2.04, 95%CI: 1.03 to 3.99, P=0.040), distance ≤5 cm from tumor to anal margin (OR=2.56, 95%CI:1.28 to 5.26, P=0.008) were independent risk factors for anastomotic leakage. Conclusion:Male, short distance from tumor to anal margin, and long operation time are independent risk factors for anastomotic leakage in patients undergoing robotic mid-low rectal cancer radical surgeries. These patients need to be cautiously treated during surgery.
		                        		
		                        		
		                        		
		                        	
10.Efficacy analysis on laparoscopic simultaneous resection of primary colorectal cancer and liver metastases
Dexiang ZHU ; Guodong HE ; Yihao MAO ; Ye WEI ; Li REN ; Qi LIN ; Xiaoying WANG ; Jianmin XU
Chinese Journal of Gastrointestinal Surgery 2020;23(6):584-588
		                        		
		                        			
		                        			Objective:To investigate the short-term outcomes of laparoscopic simultaneous resection of primary colorectal cancer and liver metastases in patients with resectable synchronous colorectal liver metastases (SCRLM).Methods:A descriptive case series study was performed. Clinicopathological data of patients with SCRLM who underwent laparoscopic simultaneous resection of colorectal cancer and liver metastases in Zhongshan Hospital between December 2015 and September 2018 were retrieved from a prospective colorectal cancer database. Perioperative presentations and short-term outcomes were analyzed.Results:A total of 53 patients were enrolled with average age of(61.7±11.3) years. Among them, 32 were male (60.4%) and 21 were female (39.6%). Twenty-five patients (47.2%) were American Society of Anesthesiologists (ASA) grade I and 28 (52.8%) were grade II. All the patients completed laparoscopic simultaneous resection without conversion. The average operation time was (320.2±114.5) min. The estimated blood loss was 150.0 (45.0-2000.0) ml, and only 2 cases (3.8%) received intraoperative transfusion. Postoperative pathologic results revealed that the average primary tumor size was (5.4±1.9) cm; 4 cases (7.5%) were T1-2 stage and 48 cases (90.6%) were T3-4 stage; 40 patients (75.5%) had lymph node metastasis; 19 (35.8%) had vascular involvement; 24 (45.3%) had neural invasion. The median number of liver metastases was 1.0 (1-8), and the average size of largest liver metastases was (3.0±1.9) cm. The median margin of liver metastases was 1.0 (0.1-3.5) cm, and only 1 case was R1 resection. The average time to the first postoperative flatus was (67.9±28.9) h, and the average time to the liquid diet was (107.0±33.8) h. The average postoperative indwelling catheterization time was (85.6±56.4) h. The average postoperative hospital stay was (9.2±4.4) d, and the average cost was (82±26) thousand RMB. No death within postoperative 30-day was found. The morbidity of postoperative complication was 32.1% (17/53) and 3 patients developed grade III to IV complications which were improved by conservative treatment. The median follow-up period was 23.2 months. During follow-up, 19 patients (35.8%) developed recurrence or metastasis, and 4 (7.5%) died. The 1- and 2-year disease-free survival (DFS) rates were 68% and 47% respectively, and the 1- and 2-year overall survival rates were 95% and 86% respectively.Conclusions:Laparoscopic simultaneous resection of primary colorectal cancer and liver metastases is safe and feasible in selected patients with SCRLM. Postoperative intestinal function recovery is enhanced, and morbidity and oncological outcomes are acceptable.
		                        		
		                        		
		                        		
		                        	
            
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