2.Association Between Constipation and a Reduction in Lower Limb Muscle Strength in Preoperative Patients with Thoracic Spinal Tumors.
Yong LIU ; Si-Yuan YAO ; Xi ZHOU ; Shu-Zhong LIU ; Yan-Yan BIAN
Chinese Medical Sciences Journal 2023;38(2):109-116
		                        		
		                        			
		                        			Objective To investigate the clinical symptoms experienced by patients with thoracic spinal tumors and verify the associated symptoms that are predictive of a decline in muscle strength in the lower limbs. Methods A single-center, retrospective cross-sectional study was conducted on in-patients diagnosed with epidural thoracic spinal tumors between January 2011 and May 2021. The study involved a review of electronic medical records and radiographs and the collection of clinical data. The differences in clinical manifestations between patients with constipation and those without constipation were analyzed. Binary logistic regression analyses were performed to identify risk factors associated with a decline in muscle strength in the lower limbs.Results A total of 227 patients were enrolled, including 131 patients with constipation and 96 without constipation. The constipation group had a significantly higher proportion of patients who experienced difficulty walking or paralysis compared to those without constipation prior to surgery (83.2% vs. 17.7%, χ2 = 99.035,P < 0.001). Constipation (OR = 9.522, 95%CI: 4.150-21.849, P < 0.001) and urinary retention (OR = 14.490, 95%CI: 4.543-46.213, P < 0.001) were independent risk factors for muscle strength decline in the lower limbs. Conclusions The study observed that patients with thoracic spinal tumors who experienced constipation symptoms had a higher incidence of lower limb weakness. Moreover, the analysis revealed that constipation and urinary retention were independent risk factors associated with a preoperative decline in muscle strength of lower limbs.
		                        		
		                        		
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Constipation/etiology*
		                        			;
		                        		
		                        			Cross-Sectional Studies
		                        			;
		                        		
		                        			Lower Extremity
		                        			;
		                        		
		                        			Muscle Strength
		                        			;
		                        		
		                        			Retrospective Studies
		                        			;
		                        		
		                        			Spinal Neoplasms
		                        			;
		                        		
		                        			Urinary Retention
		                        			
		                        		
		                        	
4.Analysis of the Incidence of Lower Limb Deep Venous Thrombosis and Its Related Risk Factors in the Postoperative Patients with Lung Cancer.
Hui DU ; Honglin ZHAO ; Qingchun ZHAO ; Jun CHEN
Chinese Journal of Lung Cancer 2023;26(5):386-391
		                        		
		                        			BACKGROUND:
		                        			Lung cancer is the first leading cause of morbidity and mortality among the malignant tumors, which has become a hot issue in current research. Clinically, lung cancer is divided into small cell lung cancer (SCLC) and non-small cell lung cancer (NSCLC) according to the pathological types. NSCLC includes adenocarcinoma, squamous cell carcinoma and other types of lung cancer, accounting for about 80% of all lung cancer. Venous thromboembolism (VTE) includes deep venous thrombosis (DVT) and pulmonary embolism (PE), which is a recognized complication in lung cancer patients with higher morbidity and mortality. The aim of this study is to determine the incidence of DVT and reveal the risk factors for DVT in the postoperative patients with lung cancer.
		                        		
		                        			METHODS:
		                        			We collected 83 postoperative patients with lung cancer admitted to the Department of Lung Cancer Surgery, Tianjin Medical University General Hospital from December 2021 to December 2022. All these patients were examined by color Doppler ultrasound of lower extremity vein upon admission and after operation to analyze the incidence of DVT. In order to explore the possible risk factors for DVT in these patients, we further analyzed the correlations between DVT and their clinical features. At the same time, the changes of coagulation function and platelet were monitored to investigate the value of blood coagulation in the patients with DVT.
		                        		
		                        			RESULTS:
		                        			DVT occurred in 25 patients after lung cancer operation, and the incidence rate of DVT was 30.1%. Further analysis found that the incidences of postoperative lower limb DVT were higher in lung cancer patients of stage III+IV or over 60 years of age (P=0.031, P=0.028). D-Dimer level in patients with thrombosis was significantly higher than that in non-thrombus patients on the 1st, the 3rd, and the 5th day after operation (P<0.05), and there was no significant difference in platelets and fibrinogen (FIB) (P>0.05).
		                        		
		                        			CONCLUSIONS
		                        			The overall incidence of DVT in our center after lung cancer patients operation was 30.1%. Late-stage and older postpatients were more likely to develop DVT, and these patients with higher D-Dimer values should be considered the possibility of VTE events.
		                        		
		                        		
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Middle Aged
		                        			;
		                        		
		                        			Aged
		                        			;
		                        		
		                        			Lung Neoplasms/surgery*
		                        			;
		                        		
		                        			Incidence
		                        			;
		                        		
		                        			Carcinoma, Non-Small-Cell Lung
		                        			;
		                        		
		                        			Venous Thromboembolism
		                        			;
		                        		
		                        			Venous Thrombosis/etiology*
		                        			
		                        		
		                        	
5.Effect of Different Antitumor Regimens on Incidence and Severity of Corona Virus Disease 2019 Pneumonia in Lung Cancer Patients: A Single-center Retrospective Study.
Wanjun LU ; Jiawen LV ; Qin WANG ; Yanwen YAO ; Dong WANG ; Jiayan CHEN ; Guannan WU ; Xiaoling GU ; Huijuan LI ; Yajuan CHEN ; Hedong HAN ; Tangfeng LV ; Yong SONG ; Ping ZHAN
Chinese Journal of Lung Cancer 2023;26(6):429-438
		                        		
		                        			BACKGROUND:
		                        			Studies have shown that the incidence and severity of corona virus disease 2019 (COVID-19) in patients with lung cancer are higher than those in healthy people. At present, the main anti-tumor treatments for lung cancer include surgery, immunotherapy, chemotherapy, radiotherapy, targeted therapy and anti-angiogenesis therapy. While the effects of different anti-tumor treatments on the occurrence and severity of COVID-19 pneumonia are not uniform. Therefore, we aimed to describe clinical characteristics and antitumor therapy of patients with lung cancer and COVID-19 pneumonia, and examined risk factors for severity in this population.
		                        		
		                        			METHODS:
		                        			From December 1, 2022 to February 15, 2023, a retrospective study was conducted in 217 patients diagnosed with COVID-19 and pathologically confirmed lung cancer in the Jinling Hospital. We collected data about patients' clinical features, antitumor treatment regimen within 6 months, and the diagnosis and treatment of COVID-19. Risk factors for occurrence and severity of COVID-19 pneumonia were identified by univariable and multivariable Logistic regression models.
		                        		
		                        			RESULTS:
		                        			(1) Among the 217 patients included, 51 (23.5%) developed COVID-19 pneumonia, of which 42 (82.4%) were classified as medium and 9 (17.6%) were classified as severe; (2) Univariate and multivariate analysis revealed overweight (OR=2.405, 95%CI: 1.095-5.286) and intrapulmonary focal radiotherapy (OR=2.977, 95%CI: 1.071-8.274) are risk factors for increasing occurrence of COVID-19 pneumonia, while other therapies are not; (3) Chronic obstructive pulmonary disease (COPD) history (OR=7.600, 95%CI: 1.430-40.387) was more likely to develop severe pneumonia and anti-tumor therapies such as intrapulmonary focal radiotherapy, chemotherapy, targeted therapy and immunotherapy did not increase severity.
		                        		
		                        			CONCLUSIONS
		                        			Intrapulmonary focal radiation therapy within 6 months increased the incidence of COVID-19 pneumonia, but did not increase the severity. However, there was no safety concern for chemotherapy, targeted therapy, surgery and immunotherapy.
		                        		
		                        		
		                        		
		                        			Humans
		                        			;
		                        		
		                        			COVID-19
		                        			;
		                        		
		                        			Retrospective Studies
		                        			;
		                        		
		                        			Lung Neoplasms/drug therapy*
		                        			;
		                        		
		                        			Incidence
		                        			;
		                        		
		                        			Pneumonia/etiology*
		                        			
		                        		
		                        	
6.Efficacy and safety of secondary allogeneic hematopoietic stem cell transplantation in 70 patients with recurrent hematologic malignancies after transplantation.
Ting Ting HAN ; Yang LIU ; Yao CHEN ; Yuan Yuan ZHANG ; Hai Xia FU ; Chen Hua YAN ; Xiao Dong MO ; Feng Rong WANG ; Jing Zhi WANG ; Wei HAN ; Yuhong CHEN ; Huan CHEN ; Yuqian SUN ; Yi Fei CHENG ; Yu WANG ; Xiao Hui ZHANG ; Xiao Jun HUANG ; Lan Ping XU
Chinese Journal of Hematology 2023;44(6):458-464
		                        		
		                        			
		                        			Objectives: To investigate the role of donor change in the second hematopoietic stem cell transplantation (HSCT2) for hematological relapse of malignant hematology after the first transplantation (HSCT1) . Methods: We retrospectively analyzed patients with relapsed hematological malignancies who received HSCT2 at our single center between Mar 1998 and Dec 2020. A total of 70 patients were enrolled[49 males and 21 females; median age, 31.5 (3-61) yr]. Results: Forty-nine male and 21 female patients were enrolled in the trial. At the time of HSCT2, the median age was 31.5 (3-61) years old. Thirty-one patients were diagnosed with acute myeloid leukemia, 23 patients with ALL, and 16 patients with MDS or other malignant hematology disease. Thirty patients had HSCT2 with donor change, and 40 patients underwent HSCT2 without donor change. The median relapse time after HSCT1 was 245.5 (26-2 905) days. After HSCT2, 70 patients had neutrophil engraftment, and 62 (88.6%) had platelet engraftment. The cumulative incidence of platelet engraftment was (93.1±4.7) % in patients with donor change and (86.0±5.7) % in patients without donor change (P=0.636). The cumulative incidence of CMV infection in patients with and without donor change was (64.0±10.3) % and (37.0±7.8) % (P=0.053), respectively. The cumulative incidence of grade Ⅱ-Ⅳ acute graft versus host disease was (19.4±7.9) % vs (31.3±7.5) %, respectively (P=0.227). The cumulative incidence of TRM 100-day post HSCT2 was (9.2±5.1) % vs (6.7±4.6) % (P=0.648), and the cumulative incidence of chronic graft versus host disease at 1-yr post-HSCT2 was (36.7±11.4) % versus (65.6±9.1) % (P=0.031). With a median follow-up of 767 (271-4 936) days, 38 patients had complete remission (CR), and three patients had persistent disease. The CR rate was 92.7%. The cumulative incidences of overall survival (OS) and disease-free survival (DFS) 2 yr after HSCT2 were 25.8% and 23.7%, respectively. The cumulative incidence of relapse, OS, and DFS was (52.6±11.6) % vs (62.4±11.3) % (P=0.423), (28.3±8.6) % vs (23.8±7.5) % (P=0.643), and (28.3±8.6) % vs (22.3±7.7) % (P=0.787), respectively, in patients with changed donor compared with patients with the original donor. Relapses within 6 months post-HSCT1 and with persistent disease before HSCT2 were risk factors for OS, DFS, and CIR. Disease status before HSCT2 and early relapse (within 6 months post-HSCT1) was an independent risk factor for OS, DFS, and CIR post-HSCT2. Conclusion: Our findings indicate that changing donors did not affect the clinical outcome of HSCT2.
		                        		
		                        		
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Adult
		                        			;
		                        		
		                        			Child, Preschool
		                        			;
		                        		
		                        			Child
		                        			;
		                        		
		                        			Adolescent
		                        			;
		                        		
		                        			Young Adult
		                        			;
		                        		
		                        			Middle Aged
		                        			;
		                        		
		                        			Retrospective Studies
		                        			;
		                        		
		                        			Hematologic Neoplasms/therapy*
		                        			;
		                        		
		                        			Hematopoietic Stem Cell Transplantation/adverse effects*
		                        			;
		                        		
		                        			Leukemia, Myeloid, Acute/therapy*
		                        			;
		                        		
		                        			Recurrence
		                        			;
		                        		
		                        			Graft vs Host Disease/etiology*
		                        			;
		                        		
		                        			Chronic Disease
		                        			
		                        		
		                        	
7.Prevention and treatment of postoperative complications of esophageal cancer.
Chinese Journal of Gastrointestinal Surgery 2023;26(4):330-333
		                        		
		                        			
		                        			Surgery is the primary treatment for esophageal cancer, but the postoperative complication rate remains high. Therefore, it is important to prevent and manage postoperative complications to improve prognosis. Common perioperative complications of esophageal cancer include anastomotic leakage, gastrointestinal tracheal fistula, chylothorax, and recurrent laryngeal nerve injury. Respiratory and circulatory system complications, such as pulmonary infection, are also quite common. These surgery-related complications are independent risk factors for cardiopulmonary complications. Complications, such as long-term anastomotic stenosis, gastroesophageal reflux, and malnutrition are also common after esophageal cancer surgery. By effectively reducing postoperative complications, the morbidity and mortality of patients can be reduced, and their quality of life can be improved.
		                        		
		                        		
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Quality of Life
		                        			;
		                        		
		                        			Postoperative Complications/prevention & control*
		                        			;
		                        		
		                        			Anastomotic Leak/etiology*
		                        			;
		                        		
		                        			Esophageal Neoplasms/surgery*
		                        			;
		                        		
		                        			Prognosis
		                        			;
		                        		
		                        			Esophagectomy/adverse effects*
		                        			;
		                        		
		                        			Digestive System Fistula/surgery*
		                        			;
		                        		
		                        			Retrospective Studies
		                        			
		                        		
		                        	
8.Risk factors for complications of endoscopic full-thickness resection of upper gastrointestinal submucosal tumors.
Liu Jing NI ; Wen Xin ZHU ; Chen Tao ZOU ; Guo Ting XU ; Chao WANG ; Ai Rong WU
Chinese Journal of Gastrointestinal Surgery 2023;26(4):365-371
		                        		
		                        			
		                        			Objective: To analyze the risk factors for complications of endoscopic full-thickness resection (EFTR) of upper gastrointestinal submucosal tumors (SMTs). Methods: This was a retrospective observational study. The indications for EFTR included: (1) SMTs originating from the muscularis propria layer and growing out of the cavity or infiltrating the deep part of the muscularis propria layer; (2) SMTs diameter <5 cm; and (3) tumor identified as closely adherent to the serous layer during endoscopic submucosal dissection or endoscopic mucosal resection. This study included patients with SMTs originating from the muscularis propria layer in upper digestive tract, diagnosed preoperatively by endoscopic ultrasonography or computed tomography, who were successfully treated with EFTR. Those with incomplete clinical data were excluded. The clinical data of 154 patients with upper gastrointestinal SMTs who underwent EFTR at the Department of Gastroenterology, First Affiliated Hospital of Soochow University from January 2016 to January 2022 were retrospectively analyzed. Post-EFTR complications (such as delayed perforation, delayed bleeding, and postoperative infection, including electrocoagulation syndrome) were monitored and the risk factors for them were analyzed. Results: Among the 154 study patients, 33 (21.4%) developed complications, including delayed bleeding in three (1.9%), delayed perforation in two (1.3%), and postoperative infection in 28 (18.2%). One patient with bleeding was classified as having a major complication (hospitalized for more than 10 days because of complication). According to univariate analysis, complication was associated with tumor diameter >15 mm, operation time >90 minutes, defect closure method(purse string suture), and diameter of resected specimen ≥20 mm (all P<0.05). Multivariate logistic regression analysis showed that operation time >90 minutes (OR=6.252, 95%CI: 2.530-15.446, P<0.001) and tumor diameter >15 mm (OR=4.843, 95%CI: 1.985-11.817, P=0.001) were independent risk factors for complications after EFTR in patients with upper gastrointestinal SMTs. The independent risk factors for postoperative infection in these patients were operation time>90 minutes (OR=4.993, 95%CI:1.964-12.694, P=0.001) and purse string suture (OR=7.142, 95%CI: 1.953-26.123, P=0.003). Conclusion: Patients with upper gastrointestinal SMTs undergoing EFTR with tumor diameter >15 mm or operation time >90 minutes have a significantly increased risk of postoperative complications. Postoperative monitoring is important for these patients with SMTs.
		                        		
		                        		
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Stomach Neoplasms/surgery*
		                        			;
		                        		
		                        			Endoscopic Mucosal Resection/methods*
		                        			;
		                        		
		                        			Gastroscopy/methods*
		                        			;
		                        		
		                        			Retrospective Studies
		                        			;
		                        		
		                        			Endosonography/adverse effects*
		                        			;
		                        		
		                        			Postoperative Complications/etiology*
		                        			;
		                        		
		                        			Treatment Outcome
		                        			;
		                        		
		                        			Gastric Mucosa/surgery*
		                        			
		                        		
		                        	
9.Network meta-analysis comparing the clinical outcomes and safety of robotic, laparoscopic, and transanal total rectal mesenteric resection for rectal cancer.
Yuan LIU ; Wei SHEN ; Zhi Qiang TIAN ; Yin Chao ZHANG ; Guo Qing TAO ; Yan Fei ZHU ; Guo Dong SONG ; Jia Cheng CAO ; Yu Kang HUANG ; Chen SONG
Chinese Journal of Gastrointestinal Surgery 2023;26(5):475-484
		                        		
		                        			
		                        			Objective: To methodically assess the clinical effectiveness and safety of robot-assisted total rectal mesenteric resection (RTME), laparoscopic-assisted total rectal mesenteric resection (laTME), and transanal total rectal mesenteric resection (taTME). Methods: A computer search was conducted on PubMed, Embase, Cochrane Library, and Ovid databases to identify English-language reports published between January 2017 and January 2022 that compared the clinical efficacy of the three surgical procedures of RTME, laTME, and taTME. The quality of the studies was evaluated using the NOS and JADAD scales for retrospective cohort studies and randomized controlled trials, respectively. Direct meta-analysis and reticulated meta-analysis were performed using Review Manager software and R software, respectively. Results: Twenty-nine publications comprising 8,339 patients with rectal cancer were ultimately included. The direct meta-analysis indicated that the length of hospital stay was longer after RTME than after taTME, whereas according to the reticulated meta-analysis the length of hospital stay was shorter after taTME than after laTME (MD=-0.86, 95%CI: -1.70 to -0.096, P=0.036). Moreover, the incidence of anastomotic leak was lower after taTME than after RTME (OR=0.60, 95%CI: 0.39 to 0.91, P=0.018). The incidence of intestinal obstruction was also lower after taTME than after RTME (OR=0.55, 95%CI: 0.31 to 0.94, P=0.037). All of these differences were statistically significant (all P<0.05). There were no statistically significant differences between the three surgical procedures regarding the number of lymph nodes cleared, length of the inferior rectal margin, or rate of positive circumferential margins (all P>0.05). An inconsistency test using nodal analysis revealed no statistically significant differences between the results of direct and indirect comparisons of the six outcome indicators (all P>0.05). Furthermore, we detected no significant overall inconsistency between direct and indirect evidence. Conclusion: taTME has advantages over RTME and laTME, in terms of radical and surgical short-term outcomes in patients with rectal cancer.
		                        		
		                        		
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Robotics
		                        			;
		                        		
		                        			Robotic Surgical Procedures/adverse effects*
		                        			;
		                        		
		                        			Network Meta-Analysis
		                        			;
		                        		
		                        			Retrospective Studies
		                        			;
		                        		
		                        			Postoperative Complications/etiology*
		                        			;
		                        		
		                        			Transanal Endoscopic Surgery/methods*
		                        			;
		                        		
		                        			Rectum/surgery*
		                        			;
		                        		
		                        			Rectal Neoplasms/pathology*
		                        			;
		                        		
		                        			Laparoscopy/methods*
		                        			;
		                        		
		                        			Treatment Outcome
		                        			
		                        		
		                        	
10.Importance of comprehensive management of anastomotic site after ultra-low anal sphincter-preservation surgery.
Chinese Journal of Gastrointestinal Surgery 2023;26(6):567-571
		                        		
		                        			
		                        			Intersphincteric resection (ISR) surgery increases the rate of anal sphincter preservation in patients with ultra-low rectal cancers. However, the anastomotic site of ISR surgery is at risk for structural healing complications such as anastomotic leakage, anastomotic dehiscence, secondary anastomotic stenosis, chronic presacral sinus, rectovaginal fistula, and rectourethral fistula, which can lead to a persistent defunctioning ostomy or a secondary permanent colostomy. This article systematically describes the preoperative high-risk factors and characteristics of anastomotic site structural healing complications after ISR surgery, as well as the management of the anastomotic site during various stages including hospitalization, from discharge to one month after surgery, from one month after surgery to before stoma reversal, and after stoma reversal. This is to provide a clearer understanding of the risks associated with the anastomotic site at different stages of the healing process and to timely detect and actively manage related complications, thereby reducing the rate of permanent colostomy and truly achieving the dual goals of "survival benefit" and "quality of life improvement" in ISR surgery.
		                        		
		                        		
		                        		
		                        			Female
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Anal Canal/surgery*
		                        			;
		                        		
		                        			Quality of Life
		                        			;
		                        		
		                        			Anastomosis, Surgical/adverse effects*
		                        			;
		                        		
		                        			Anastomotic Leak/etiology*
		                        			;
		                        		
		                        			Rectal Neoplasms/complications*
		                        			;
		                        		
		                        			Retrospective Studies
		                        			
		                        		
		                        	
            
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