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Li KW, Chen WS, Wang K, Yang C, Deng YX, Wang XY, Hu YP, Liu YX, Li WQ, Ding WW. Open or Not Open the Retroperitoneum: A Pandora's Box for Blunt High-Grade Pancreatic Trauma? J Surg Res 2024; 293:79-88. [PMID: 37734295 DOI: 10.1016/j.jss.2023.08.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 07/19/2023] [Accepted: 08/14/2023] [Indexed: 09/23/2023]
Abstract
INTRODUCTION The optimal management strategy for pancreatic trauma remains unclear. We aimed to determine whether the initial nonoperative management (NOM) strategy based on percutaneous drainage combined with endoscopic retrograde cholangiopancreatography guided stent placement would improve outcomes for blunt high-grade pancreatic trauma. METHODS Patients with blunt abdominal trauma who were hemodynamically stable without signs of diffuse peritonitis were consecutively enrolled at a high-volume center. The primary outcome was the occurrence of severe complications (Clavien‒Dindo classification ≥ Ⅲb) for patients who underwent initial laparotomy (LAP) versus NOM. Modified Poisson regression was used to model the primary outcome. Propensity score matching and weighting models were included into a regression-based sensitivity analysis. RESULTS Of 119 patients with grade III/IV pancreatic trauma, 29 patients underwent initial NOM, and 90 underwent initial LAP. The incidence of severe complications in the LAP group was higher than that in the NOM group (65/90 [72.2%] versus 9/29 [31.0%], P < 0.001). In the multivariable modified Poisson regression model, the relative risk for severe complications was decreased in the NOM group (relative risk, 0.52; 95% confidence interval, 0.30-0.90; P = 0.020). The results of the sensitivity analysis were consistent with those of the multivariable analysis. The mean number of reinterventions per patient was 1.8 in the NOM group and 2.6 in the LAP group (P = 0.067). CONCLUSIONS For blunt high-grade pancreatic trauma patients with stable hemodynamics and no diffuse peritonitis, the NOM strategy was associated with a lower risk of severe complications (Clavien‒Dindo classification ≥ Ⅲb) and did not require more invasive reintervention procedures. In high-volume centers with sufficient expertise, percutaneous drainage combined with endoscopic retrograde cholangiopancreatography guided stent placement may serve as an initial reasonable option for selected patients.
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Affiliation(s)
- Kai-Wei Li
- The First School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong Province, China; Department of Critical Care Medicine, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, Jiangsu Province, China
| | - Wen-Song Chen
- Department of Biostatistics, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Kai Wang
- Division of Trauma and Acute Care Surgery, Department of Surgery, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, Jiangsu Province, China
| | - Chao Yang
- Division of Trauma and Acute Care Surgery, Department of Surgery, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, Jiangsu Province, China
| | - Yun-Xuan Deng
- Division of Trauma and Acute Care Surgery, Department of Surgery, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, Jiangsu Province, China
| | - Xin-Yu Wang
- Division of Trauma and Acute Care Surgery, Department of Surgery, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, Jiangsu Province, China
| | - Yue-Peng Hu
- Department of Critical Care Medicine, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, Jiangsu Province, China
| | - Yu-Xiu Liu
- Department of Biostatistics, School of Public Health, Nanjing Medical University, Nanjing, China; Division of Data and Statistics, Department of Critical Care Medicine, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, Jiangsu Province, China.
| | - Wei-Qin Li
- The First School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong Province, China; Department of Critical Care Medicine, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, Jiangsu Province, China.
| | - Wei-Wei Ding
- The First School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong Province, China; Division of Trauma and Acute Care Surgery, Department of Surgery, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, Jiangsu Province, China.
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Li KW, Wang K, Hu YP, Yang C, Deng YX, Wang XY, Liu YX, Li WQ, Ding WW. Initial suction drainage decreases severe postoperative complications after pancreatic trauma: A cohort study. World J Gastrointest Surg 2023; 15:1652-1662. [PMID: 37701705 PMCID: PMC10494579 DOI: 10.4240/wjgs.v15.i8.1652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 05/30/2023] [Accepted: 06/21/2023] [Indexed: 08/25/2023] Open
Abstract
BACKGROUND Few studies have addressed the question of which drain types are more beneficial for patients with pancreatic trauma (PT). AIM To investigate whether sustained low negative pressure irrigation (NPI) suction drainage is superior to closed passive gravity (PG) drainage in PT patients. METHODS PT patients who underwent pancreatic surgery were enrolled consecutively at a referral trauma center from January 2009 to October 2021. The primary outcome was defined as the occurrence of severe complications (Clavien-Dindo grade ≥ Ⅲb). Multivariable logistic regression was used to model the primary outcome, and propensity score matching (PSM) was included in the regression-based sensitivity analysis. RESULTS In this study, 146 patients underwent initial PG drainage, and 50 underwent initial NPI suction drainage. In the entire cohort, a multivariable logistic regression model showed that the adjusted risk for severe complications was decreased with NPI suction drainage [14/50 (28.0%) vs 66/146 (45.2%); odds ratio (OR), 0.437; 95% confidence interval (CI): 0.203-0.940]. After 1:1 PSM, 44 matched pairs were identified. The proportion of each operative procedure performed for pancreatic injury-related and other intra-abdominal organ injury-related cases was comparable in the matched cohort. NPI suction drainage still showed a lower risk for severe complications [11/44 (25.0%) vs 21/44 (47.7%); OR, 0.365; 95%CI: 0.148-0.901]. A forest plot revealed that NPI suction drainage was associated with a lower risk of Clavien-Dindo severity in most subgroups. CONCLUSION This study, based on one of the largest PT populations in a single high-volume center, revealed that initial NPI suction drainage could be recommended as a safe and effective alternative for managing complex PT patients.
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Affiliation(s)
- Kai-Wei Li
- The First School of Clinical Medicine, Southern Medical University, Guangzhou 510515, Guangdong Province, China
- Department of Critical Care Medicine, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing 210002, Jiangsu Province, China
| | - Kai Wang
- Division of Trauma and Surgical Intensive Care Unit, Research Institute of General Surgery, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing 210002, Jiangsu Province, China
| | - Yue-Peng Hu
- Department of Critical Care Medicine, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing 210002, Jiangsu Province, China
| | - Chao Yang
- Division of Trauma and Surgical Intensive Care Unit, Research Institute of General Surgery, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing 210002, Jiangsu Province, China
| | - Yun-Xuan Deng
- Division of Trauma and Surgical Intensive Care Unit, Research Institute of General Surgery, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing 210002, Jiangsu Province, China
| | - Xin-Yu Wang
- Division of Trauma and Surgical Intensive Care Unit, Research Institute of General Surgery, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing 210002, Jiangsu Province, China
| | - Yu-Xiu Liu
- Division of Data and Statistics, Department of Critical Care Medicine, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing 210002, Jiangsu Province, China
| | - Wei-Qin Li
- Department of Critical Care Medicine, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing 210002, Jiangsu Province, China
| | - Wei-Wei Ding
- Division of Trauma and Surgical Intensive Care Unit, Research Institute of General Surgery, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing 210002, Jiangsu Province, China
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Wang K, Deng YX, Li KW, Wang XY, Yang C, Ding WW. Multiple portions enteral nutrition and chyme reinfusion of a blunt bowel injury patient with hyperbilirubinemia undergoing open abdomen: A case report. Chin J Traumatol 2022:S1008-1275(22)00139-0. [PMID: 36635154 PMCID: PMC10388244 DOI: 10.1016/j.cjtee.2022.12.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 09/21/2022] [Accepted: 10/15/2022] [Indexed: 12/24/2022] Open
Abstract
Blunt bowel injury (BBI) is relatively rare but life-threatening when delayed in surgical repair or anastomosis. Providing enteral nutrition (EN) in BBI patients with open abdomen after damage control surgery is challenging, especially for those with discontinuity of the bowel. Here, we report a 47-year-old male driver who was involved in a motor vehicle collision and developed ascites on post-trauma day 3. Emergency exploratory laparotomy at a local hospital revealed a complete rupture of the jejunum and then primary anastomosis was performed. Postoperatively, the patient was transferred to our trauma center for septic shock and hyperbilirubinemia. Following salvage resuscitation, damage control laparotomy with open abdomen was performed for abdominal sepsis, and a temporary double enterostomy (TDE) was created where the anastomosis was ruptured. Given the TDE and high risk of malnutrition, multiple portions EN were performed, including a proximal portion EN support through a nasogastric tube and a distal portion EN via a jejunal feeding tube. Besides, chyme delivered from the proximal portion of TDE was injected into the distal portion of TDE via a jejunal feeding tube. Hyperbilirubinemia was alleviated with the increase in chyme reinfusion. After 6 months of home EN and chyme reinfusion, the patient finally underwent TDE reversal and abdominal wall reconstruction and was discharged with a regular diet. For BBI patients with postoperative hyperbilirubinemia who underwent open abdomen, the combination of multiple portions EN and chyme reinfusion may be a feasible and safe option.
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Affiliation(s)
- Kai Wang
- Division of Trauma and Surgical Intensive Care Unit, Research Institute of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, 210002, China
| | - Yun-Xuan Deng
- Division of Trauma and Surgical Intensive Care Unit, Research Institute of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, 210002, China
| | - Kai-Wei Li
- The First School of Clinical Medicine, Southern Medical University, Nanjing, 210002, China
| | - Xin-Yu Wang
- Division of Trauma and Surgical Intensive Care Unit, Research Institute of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, 210002, China
| | - Chao Yang
- Division of Trauma and Surgical Intensive Care Unit, Research Institute of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, 210002, China
| | - Wei-Wei Ding
- Division of Trauma and Surgical Intensive Care Unit, Research Institute of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, 210002, China.
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Deng YX, Hu J, Li HM. [Efficacy and safety of different doses of antiviral agents in the treatment of herpes zoster: a meta-analysis]. Zhonghua Yi Xue Za Zhi 2022; 102:3192-3200. [PMID: 36319173 DOI: 10.3760/cma.j.cn112137-20220603-01237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Objective: To systematically evaluate the efficacy and safety of different doses of antiviral drugs in the treatment of herpes zoster. Methods: PubMed, EMBASE, Cochrane Library, VIP, CNKI and WanFang database up to April 9, 2022 were searched. Two reviewers selected the studies according to inclusion and exclusion criteria, and the Cochrane bias risk assessment tool was used for quality evaluation. Data were analyzed by Revman 5.4 software for meta-analysis. The qualitative data used relative risk (RR) as the effect index, and the quantitative data used mean difference (MD) as the effect index. The point estimates and 95%CI of each effect were given. Results: Fourteen randomized controlled trials with 1 831 patients were included in the study. Compared with the 200 mg acyclovir with five times a day, the 800 mg can improve the effective rate, shorten the blister stopping time (MD=-1.29, 95%CI:-1.62- -0.96, P<0.001), relieve the pain faster (MD=-2.73, 95%CI:-4.37- -1.09, P=0.001), shorten the scabbing time (MD=-2.42, 95%CI:-2.96- -1.89, P<0.001) without increasing the adverse reaction rate (RR=1.64, 95%CI:0.80-3.36, P=0.17); Compared with the 300 mg valaciclovir with twice daily, the 900-1 000 mg valaciclovir with three times a day can improve the effective rate(RR=1.17, 95%CI:1.04-1.32, P=0.007), shorten the blister stopping time (MD=-1.53, 95%CI:-2.54- -0.51, P=0.003), relieve the pain faster (MD=-1.04, 95%CI:-1.30- -0.77, P<0.001), shorten the scabbing time (MD=-1.78, 95%CI:-2.80- -0.76, P<0.001), reduce the incidence of postherpetic neuralgia(RR=0.28, 95%CI:0.15-0.52, P<0.001) without increasing the adverse reaction rate (RR=1.47, 95%CI:0.93-2.32, P=0.10); In immunocompromised patients, compared with 1 000 mg valaciclovir with three times a day, 2 000 mg cannot significantly improve the treatment efficacy. There was no significant difference among the efficacy of 250 mg, 500 mg and 750 mg famciclovir, three times a day, in the treatment of herpes zoster. Conclusion: The 800 mg acyclovir with five times a day; 900-1 000 mg valaciclovir and 250 mg famciclovir with three times a day, are better choices in the treatment of herpes zoster.
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Affiliation(s)
- Y X Deng
- Department of Dermatology, Peking University People 's Hospital, Beijing 100044, China
| | - J Hu
- Department of Dermatology, Peking University People 's Hospital, Beijing 100044, China
| | - H M Li
- Department of Dermatology, Peking University People 's Hospital, Beijing 100044, China
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Zhang WL, Zhou C, Deng YX, Hou ZL, Zhang LJ, Lin JZ, Pan ZZ, Lu ZH, Peng JH. [Prognostic factors affecting the success of conversion chemotherapy in patients with unresectable liver metastases from initially colorectal cancer]. Zhonghua Wei Chang Wai Ke Za Zhi 2022; 25:56-62. [PMID: 35067035 DOI: 10.3760/cma.j.cn441530-20210718-00287] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Objective: To investigate the factors affecting the success of conversion therapy in patients with initially unresectable colorectal cancer liver metastases (CRLM) in order to provide evidence-based medical evidence for formulating individualized treatment strategies for patients. Methods: A retrospective case-control study was used in this study. Clinical data of 232 patients with initially unresectable CRLM receiving first-line systemic treatment in Sun Yat-sen University Cancer Center from January 2013 to January 2020 were collected, including 98 patients of successful conversion and 134 patients of failed conversion as control. Conversion therapy scheme: 38 patients received FOLFOXIRI regimen chemotherapy (irinotecan, oxaliplatin, calcium folinate and fluorouracil), 152 patients received FOLFOX regimen (oxaliplatin, calcium folinate and fluorouracil), 19 patients received FOLRIRI regimen (irinotecan, calcium folinate and fluorouracil), 23 patients received systemic chemotherapy combined with fluorouridine hepatic artery infusion chemotherapy; 168 patients received targeted therapy, including 68 of bevacizumab and 100 of cetuximab. Logistics analysis was used to compare the factors affecting the success of conversion therapy. The Kaplan-Meier method was used to calculate progression-free survival (PFS), and the Log-rank test was used for survival comparison. Results: Among 232 patients, 98 patients had successful conversions and 134 patients had failed conversions with a successful conversion rate of 42.2%, meanwhile 30 patients underwent simple hepatectomy and 68 underwent hepatectomy combined with intraoperative radiofrequency ablation. After first-line chemotherapy, 111 patients (47.8%) were partial remission, 57 patients (24.6%) were stable disease, and 64 patients (27.6%) were progression disease. During the median follow-up of 18.8 (1.0-87.9) months, 148 patients were dead or with tumor progression. The median PFS time of patients with successful conversion was longer than that of patients with failed conversion (31.0 months vs. 9.9 months, P<0.001). Univariate analysis found that the bilobar distribution of liver tumors (P=0.003), elevated baseline carcinoembryonic antigen (CEA) levels (P=0.024), tumor invasion of the portal vein (P=0.001), number of metastatic tumor>8 (P<0.001), non-FOLFOXIRI (P=0.005), and no targeted therapy (P=0.038) were high risk factors for the failed conversion therapy. The results of multivariate logistics analysis indicated that the number of metastatic tumor >8 (OR=2.422, 95%CI: 1.291-4.544, P=0.006), portal vein invasion (OR=2.727, 95%CI: 1.237-4.170, P=0.008) were the independent risk factors for failed conversion therapy, while FOLFOXIRI regimen (OR=0.300, 95%CI: 0.135-0.666, P=0.003) and targeted drugs (OR=0.411, 95%CI: 0.209-0.809, P=0.010) were independent protective factors for successful conversion therapy. Conclusions: The number of metastatic tumor and portal vein invasion are key factors that affect the outcomes of conversion therapy for initially unresectable CRLM. If a patient can tolerate chemotherapy, a combination program of three-drug and targeted therapy is preferred for the active conversion therapy.
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Affiliation(s)
- W L Zhang
- Department of Colorectal Surgery, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - C Zhou
- Department of Colorectal Surgery, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - Y X Deng
- Department of Colorectal Surgery, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - Z L Hou
- Department of Colorectal Surgery, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - L J Zhang
- Department of Colorectal Surgery, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - J Z Lin
- Department of Colorectal Surgery, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - Z Z Pan
- Department of Colorectal Surgery, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - Z H Lu
- Department of Colorectal Surgery, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - J H Peng
- Department of Colorectal Surgery, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
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Ye WQ, Deng YX, Zuo JJ, Zhang SD, Wang HO, Li JY, Zheng QX, Liang YB, Chen W. [Clinical characteristics of 114 patients with iridocorneal endothelial syndrome]. Zhonghua Yan Ke Za Zhi 2022; 58:35-40. [PMID: 34979791 DOI: 10.3760/cma.j.cn112142-20201231-00859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Objective: To investigate the clinical features in patients with iridocorneal endothelial (ICE) syndrome. Methods: A retrospective case series study. Data of clinical manifestations of patients with ICE syndrome including clinical subtypes, presenting visual acuity, clinical features and secondary glaucoma were collected from January 2014 to May 2020 in the Eye Hospital, School of Ophthalmology and Optometry, Wenzhou Medical University. The Wald's Chi-square test of generalized estimating equations was performed to analyze the differences in three clinical subtypes. Results: A total of 127 eyes of 114 subjects (64 females and 50 males) were included. Mean±SD age at presentation was (49±13) years. There were 53 patients (46.5%) with Chandler's syndrome (CS), 36 patients (31.6%) with progressive iris atrophy (PIA), 24 patients (21.0%) with Cogan-Reese syndrome (CRS) and one patient (0.9%) with an undetermined subtype. And 101 patients (88.6%) had uniocular ICE syndrome. Approximately 81.7% (49/60), 56.1% (23/41) and 41.7% (10/24) of eyes presented visual acuity <0.3 in patients with CS, PIA and CRS, respectively. Corneal edema was most common in CS (52.5%, 32/61), followed by PIA (29.3%, 12/41) and CRS (20.8%, 5/24). Corectopia was found in 95.8% (23/24) of eyes with CRS, 95.1% (39/41) of eyes with PIA and 78.7% (48/61) of eyes with CS. Polycoria was observed in 29.3% (12/41) of eyes with PIA, 3.3% (2/61) of eyes with CS and 8.3% (2/24) of eyes with CRS. Ectropion uvea was most common in CRS (54.2%, 13/24), followed by 16.4% (10/61) in CS and 12.2% (5/41) in PIA. Glaucoma was found in 94 eyes (74.0%, 94/127). Among them, 60.7% (37/61) of CS, 80.5% (33/41) of PIA and 95.8% (23/24) of CRS had secondary glaucoma. The difference of presenting visual acuity, corneal edema, corectopia, polycoria, ectropion uveae and secondary glaucoma in three clinical subtypes all had statistical significance (Wald χ2=13.87, 10.77, 965.78, 11.45, 15.00, 222.04; all P<0.05). And 86.2% of eyes (81/94) had glaucoma surgeries and 41 eyes (43.6%, 41/94) had the intraocular pressure well controlled with various interventions. Conclusions: ICE syndrome is mostly uniocular and more common in middle-aged patients. CS is the most common clinical subtype with poor presenting visual acuity. About 3/4 of eyes have secondary glaucoma, and the majority of them require surgical interventions, but prognoses are discouraging.
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Affiliation(s)
- W Q Ye
- The Eye Hospital, School of Ophthalmology and Optometry, Glaucoma Research Institute, Wenzhou Medical University, National Clinical Research Center for Ocular Diseases, Wenzhou 325027, China Deng Yuxuan is now working at the Department of Ophthalmology, Qingdao Municipal Hospital, Qingdao 266011, China
| | - Y X Deng
- The Eye Hospital, School of Ophthalmology and Optometry, Glaucoma Research Institute, Wenzhou Medical University, National Clinical Research Center for Ocular Diseases, Wenzhou 325027, China Deng Yuxuan is now working at the Department of Ophthalmology, Qingdao Municipal Hospital, Qingdao 266011, China
| | - J J Zuo
- The Eye Hospital, School of Ophthalmology and Optometry, Glaucoma Research Institute, Wenzhou Medical University, National Clinical Research Center for Ocular Diseases, Wenzhou 325027, China Deng Yuxuan is now working at the Department of Ophthalmology, Qingdao Municipal Hospital, Qingdao 266011, China
| | - S D Zhang
- The Eye Hospital, School of Ophthalmology and Optometry, Glaucoma Research Institute, Wenzhou Medical University, National Clinical Research Center for Ocular Diseases, Wenzhou 325027, China Deng Yuxuan is now working at the Department of Ophthalmology, Qingdao Municipal Hospital, Qingdao 266011, China
| | - H O Wang
- The Eye Hospital, School of Ophthalmology and Optometry, Glaucoma Research Institute, Wenzhou Medical University, National Clinical Research Center for Ocular Diseases, Wenzhou 325027, China Deng Yuxuan is now working at the Department of Ophthalmology, Qingdao Municipal Hospital, Qingdao 266011, China
| | - J Y Li
- The Eye Hospital, School of Ophthalmology and Optometry, Glaucoma Research Institute, Wenzhou Medical University, National Clinical Research Center for Ocular Diseases, Wenzhou 325027, China Deng Yuxuan is now working at the Department of Ophthalmology, Qingdao Municipal Hospital, Qingdao 266011, China
| | - Q X Zheng
- The Eye Hospital, School of Ophthalmology and Optometry, Glaucoma Research Institute, Wenzhou Medical University, National Clinical Research Center for Ocular Diseases, Wenzhou 325027, China Deng Yuxuan is now working at the Department of Ophthalmology, Qingdao Municipal Hospital, Qingdao 266011, China
| | - Y B Liang
- The Eye Hospital, School of Ophthalmology and Optometry, Glaucoma Research Institute, Wenzhou Medical University, National Clinical Research Center for Ocular Diseases, Wenzhou 325027, China Deng Yuxuan is now working at the Department of Ophthalmology, Qingdao Municipal Hospital, Qingdao 266011, China
| | - W Chen
- The Eye Hospital, School of Ophthalmology and Optometry, Glaucoma Research Institute, Wenzhou Medical University, National Clinical Research Center for Ocular Diseases, Wenzhou 325027, China Deng Yuxuan is now working at the Department of Ophthalmology, Qingdao Municipal Hospital, Qingdao 266011, China
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Zhang ZY, Mao XJ, Jiang GB, Miao GG, Wei B, Deng YX, Leng JF. [Application and efficacy of double tract digestive reconstruction with jejunal interposition after proximal gastrectomy for Siewert II-III adenocarcinoma of esophagogastric junction]. Zhonghua Wei Chang Wai Ke Za Zhi 2020; 23:408-411. [PMID: 32306611 DOI: 10.3760/cma.j.cn.441530-20190828-00327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
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Ren SC, Tian ZX, Deng YX, Wang YJ, Wu XJ, Zhang YZ, Gao BQ. [Clinical features and gene mutation analysis of patients with Niemann-Pick disease type C]. Zhonghua Yi Xue Za Zhi 2018; 98:284-288. [PMID: 29397615 DOI: 10.3760/cma.j.issn.0376-2491.2018.04.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To analyze the clinical manifestations, therapeutic efficacy, prognosis and characteristics of NPC1 mutation in Chinese patients with Niemann-Pick disease type C(NPC). Methods: Ten unrelated Chinese NPC patients were diagnosed by NPC1 mutation analysis from July 2013 to February 2017 in Beijing Tian Tan Hospital of Capital Medical University. Clinical data of 10 cases were analyzed retrospectively which included clinical manifestations, laboratory results and NPC1 gene mutation features, and a series of follow-up were carried out about therapeutic efficacy and prognosis. Results: Ten patients suffering from NPC included 5 males and 5 females, aged from 42 days to 14 years when they presented to Tian Tan Hospital. According to their age of neurological onset, 4 were in early infantile period, 2 in late infantile period, 2 in juvenile periods, and the other 2 cases in neonatal period. They all presented with splenomegaly, 5 of 10 accompanied with hepatomegaly. Two cases of neonatal subtype presented mainly with delayed neonatal cholestatic jaundice and hepatosplenomegaly, accompanied with decreased muscle tone and slight psychomotor retardation. The other 8 cases presented with severe neurological involvement, such as progressive encephalopathy, ataxia and language impairment, 4 with dystonia, 3 with decreased muscle tension, 5 with vertical supranuclear gaze palsy, 5 with gelastic cataplexy, and 4 with epilepsy. Eight of 9 cases presented with foam cells in their bone marrow. Head MRI showed diffuse cerebral atrophy in 8 cases, thin corpus callosum in 2 cases, and brain white matter abnormal signals in 2 cases. Among 10 cases, 18 different mutations of NPC1 allelic genes were identified including 11 reported mutations, 3 novel missense mutations: c. 3683T>C (p.Met1128Thr), c.1926G>C (p.Met642Iie) and c. 3006C>G (p.Phe1002Leu), 2 novel nonsense mutation: c. 1142G>A(p.Trp381Ter ) and c. 3229C>T(p.Arg1077Ter), 1 novel minimal deletion mutation: c. 1385-1386del, and 1 novel intron mutation: c. 1757+ 5G>A. In 5 cases, the symptom of gelastic cataplexy was alleviated by imipramine, and the convulsion was relieved by valproate in 2 cases, by carbamazepine in 1 case at the beginning of seizure. During the 25 (3-66) months of follow-up, 4 cases died, the others' neurological symptoms were deteriorated progressively. Conclusions: The NPC1 gene mutation were high heterozygous in this group, and 7 novel mutations enriched the gene mutation spectrum of NPC1. The neurological manifestations were complicated in patients with NPC, and the symptomatology would be different according to their onset age of neurological symptoms. There might be effective symptomatic treatment for gelastic cataplexy by imipramine and for convulsion by valproate or carbamazepine.
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Affiliation(s)
- S C Ren
- Department of Pediatric, Beijing Tian Tan Hospital, Capital Medical University, Beijing 100050, China
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9
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Abstract
The aim of this study was to investigate the correlation between MACC1 expression and resistance to cisplatin (DDP) in DDP-resistant human epithelial ovarian cancer SKOV-3 cells (SKOV-3/DDP). MACC1 mRNA and protein expression levels in SKOV-3 and SKOV-3/DDP cells were detected by reverse transcriptase polymerase chain reaction and western blot. The SKOV-3/DDP cells were divided into 5 groups: control, shVect (transfected with p-super-EGFP-1 plasmid), pshMACC1 (transfected with psuper-EGFP-shMACC1 plasmid), PD (pretreated with 20 μM PD98059), and combined (transfected with psuper-EGFP-shMACC1 plasmid and pretreated with 20 μM PD98059) groups. Cisplatin sensitivity and cell apoptosis in SKOV-3/DDP cells were assayed by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay and flow cytometry. ERK1/2 and p-ERK1/2 expression was determined by western blot. MACC1 mRNA and protein expression levels in SKOV-3/DDP cells were 2.66 ± 0.54 and 1.95 ± 0.45 times those seen in SKOV-3 cells (P < 0.05). Cisplatin sensitivity of pshMACC1 group was much higher than that in the control and shVect groups. Cisplatin-induced cell apoptosis rates increased significantly in the pshMACC1, PD, and combined groups, compared to the control and shVect groups. Moreover, the apoptosis rate was the highest in the combined group among the 5 groups (IC50 = 20.836 ± 0.629 μM). p-ERK1/2 expression decreased significantly in the pshMACC1, PD, and combined groups (this decrease was the most obvious in the combined group). In conclusion, downregulation of MACC1 expression could enhance cisplatin sensitivity and decrease drug resistance in SKOV- 3/DDP cells.
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Affiliation(s)
- Z M Chen
- First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - H R Shi
- First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - X Li
- First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Y X Deng
- First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - R T Zhang
- First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
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10
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Xu J, Song X, Yin ZQ, Cheng AC, Jia RY, Deng YX, Ye KC, Shi CF, Lv C, Zhang W. Antiviral activity and mode of action of extracts from neem seed kernel against duck plague virus in vitro1. Poult Sci 2012; 91:2802-7. [PMID: 23091135 DOI: 10.3382/ps.2012-02468] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Four fractions obtained from alcohol extracts of neem (Azadirachta indica) seed kernel by column chromatography were investigated for antivirus activity against the duck plague virus (DPV) in vitro. Duck embryo fibroblasts (DEF) infected with DPV were treated with the neem seed kernel extracts, and the effect of antivirus was judged by 3-(4,5)-dimethylthiahiazo (-z-y1)-3,5-di-phenytetrazoliumromide colorimetric method assay and direct immunofluorescence assay. The mode of action was tested by the plaque reduction assay. The results showed that fractions 1 to 3 were inactive. The median inhibitory concentration (IC(50)) of fraction 4 was 10.9 μg/mL and inhibited the virus protein expression in the direct immunofluorescence assay. In the plaque reduction assay, fraction 4 could significantly reduce the number of plaques compared with the negative control (P < 0.01) in all modes of action. This study indicated that the fourth fraction obtained from neem seed kernel could improve the viability of infected cells, and reduce the cytopathic effects caused by DPV and the amount of the virus protein expressed in virus-infected cells. The antiviral activity works in the whole process of virus infecting the normal cells.
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Affiliation(s)
- J Xu
- College of Animal Medicine, Sichuan Agricultural University, Ya'an, People's Republic of China
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11
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Deng YX, Chen JN, Hu XT. Improving the numerical stability of the MAGIC model. J Environ Sci (China) 2001; 13:189-191. [PMID: 11590740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
MAGIC is one of the most widely used models for forecasting long-term acidification. The model's code, however, has been experiencing numerical instability, though this might not be widely known to the public users. The major instability comes from the analytical solution to two cubic equations for calculating SO4(2-) concentration and the exchangeable fraction of Al on the soils. The mathematical algorithm for calculating the concentration of SO4(2-) from a quadratic equation is also found unstable. This paper is aimed at improving the instability above through proved numerical algorithms.
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Affiliation(s)
- Y X Deng
- Department of Environment Sciences and Engineering, Tsinghua University, Beijing 100084, China.
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