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Wang C, Hou M, Zhang C, Ma T, Li Z, Lin H, Zhang K, Huang Q. Biomechanical evaluation of a modified intramedullary nail for the treatment of unstable femoral trochanteric fractures. Heliyon 2024; 10:e29671. [PMID: 38660243 PMCID: PMC11040111 DOI: 10.1016/j.heliyon.2024.e29671] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 04/11/2024] [Accepted: 04/12/2024] [Indexed: 04/26/2024] Open
Abstract
Background The Proximal Femoral Nail Antirotation (PFNA) device is the most commonly used implant to fix unstable femoral trochanteric fractures (UFTFs), but it has a relatively high incidence of complications. Due to this factor, the modified intramedullary nail (MIN) was created to treat patients with UFTFs. The aim was to exhibit the MIN and make a comparison with PFNA and InterTAN using biomechanical methods. Methods An adult UFTF model was developed using Mimics software. The PFNA, InterTAN nail, and MIN models were drawn referring to the corresponding parameters and installed in the fracture models. Vertical, anteroposterior (AP) bending, and torsion loads of the femoral head were set in advance and loaded onto the fracture models. The value of maximal displacement and von Mises stress was evaluated via finite element analysis (FEA). Results The MIN model had smaller values for maximal displacement than that of the PFNA model, and the increase in displacement was less pronounced for the MIN compared to PFNA under increasing vertical loads. For the indicator of von Mises stress, the MIN model showed lower stress compared with the PFNA model in vertical loads ranging from 300 N to 2100 N. Except for the maximal stress at implants under AP bending loads, the MIN demonstrated the most superior biomechanical properties under AP bending and torsional loads. Conclusion The MIN offered obvious advantages in terms of mechanical stability and stress distribution among the three studied implants, providing a promising implant option for patients with UFTFs.
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Affiliation(s)
- ChaoFeng Wang
- Department of Orthopedics, Hong Hui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, China
| | - MingMing Hou
- Department of Orthopedics, Hong Hui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, China
| | - CongMing Zhang
- Department of Orthopedics, Hong Hui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, China
| | - Teng Ma
- Department of Orthopedics, Hong Hui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, China
| | - Zhong Li
- Department of Orthopedics, Hong Hui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, China
| | - Hua Lin
- Department of Orthopedics, Hong Hui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, China
| | - Kun Zhang
- Department of Orthopedics, Hong Hui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, China
| | - Qiang Huang
- Department of Orthopedics, Hong Hui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, China
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Qian J, Fu Y, Marra G, Zhang F, Wu X, Li D, Xu L, Qiu X, Gan W, Guo H. Modified Retzius-sparing robot-assisted radical prostatectomy for cases with anterior tumor: a propensity score-matched analysis. World J Urol 2024; 42:170. [PMID: 38506964 PMCID: PMC10954873 DOI: 10.1007/s00345-024-04807-7] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 01/19/2024] [Indexed: 03/22/2024] Open
Abstract
OBJECTIVE To compare the outcomes between a modified Retzius-sparing robot-assisted radical prostatectomy (mRS-RARP) technique and conventional robot-assisted radical prostatectomy (Con-RARP) technique for cases with anterior prostate cancer (PCa), especially positive surgical margin (PSM) rates and urinary continence (UC). PATIENTS AND METHODS We retrospectively included 193 mRS-RARP and 473 Con-RARP consecutively performed by a single surgeon for anterior PCa. Perioperative complications, pathology, and continence were compared after propensity score matching using 9 variables. RESULTS After matching (n = 193 per group), PSM were not significantly different in the two groups (16.1% in mRS-RARP group vs. 15.0% in Con-RARP group, p = 0.779). The UC at catheter removal and at 1-month was significantly higher in the mRS-RARP (24.9% vs. 9.8%, p < 0.001; 29.0% vs. 13.5%, p < 0.001, respectively), but not at 3-, 6-, and 12-month follow-ups (p = 0.261, 0.832, and 0.683, respectively). CONCLUSION mRS-RARP seems to be an oncologically safe approach for patients with anterior PCa. Compared with the conventional approach, mRS-RARP approach shows benefits in the short-term postoperative UC recovery.
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Affiliation(s)
- Jiajun Qian
- Department of Urology, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, 211166, China
- Institute of Urology, Nanjing University, Nanjing, 210008, China
| | - Yao Fu
- Department of Pathology, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, 210008, China
| | - Giancarlo Marra
- Department of Urology, San Giovanni Battista Hospital, Città della Salute e della Scienza and University of Turin, Turin, Italy
| | - Feifei Zhang
- Department of Urology, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, 210008, China
- Institute of Urology, Nanjing University, Nanjing, 210008, China
| | - Xiao Wu
- Department of Anesthesiology, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, 210008, China
| | - Danyan Li
- Department of Radiology, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, 210008, China
| | - Linfeng Xu
- Department of Urology, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, 210008, China.
- Institute of Urology, Nanjing University, Nanjing, 210008, China.
| | - Xuefeng Qiu
- Department of Urology, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, 210008, China.
- Institute of Urology, Nanjing University, Nanjing, 210008, China.
| | - Weidong Gan
- Department of Urology, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, 211166, China.
- Institute of Urology, Nanjing University, Nanjing, 210008, China.
| | - Hongqian Guo
- Department of Urology, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, 210008, China.
- Institute of Urology, Nanjing University, Nanjing, 210008, China.
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Sherin AJ, Sunil CK, Chidanand DV, Venkatachalapathy N. Structural, physicochemical and functional properties of high-pressure modified white finger millet starch. Int J Biol Macromol 2024; 261:129919. [PMID: 38309404 DOI: 10.1016/j.ijbiomac.2024.129919] [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: 08/21/2023] [Revised: 01/03/2024] [Accepted: 01/31/2024] [Indexed: 02/05/2024]
Abstract
The effect of high-pressure processing (HPP) modification (200, 400, and 600 MPa for 10 min) on the physico-chemical, functional, structural, and rheological properties of white finger millet starch (WFMS) was studied. Measured amylose content, water, and oil absorption capacity, alkaline water retention, and pasting temperature increased significantly with the intensity of pressure. All color parameters (L, a, b values, and ΔC) were affected by HPP treatment, and paste clarity of modified starch decreased significantly with an increase in storage time. The samples' least gelation concentration (LGC) is in the range of 8-14 %. An increasing solubility and swelling power are noted, further intensifying at the elevated temperature (90 °C). The structural changes of WFMS were characterized by XRD, SEM, and FTIR spectroscopy. Starch modified at 600 MPa showed a similar pattern as 'B'-type crystalline, and the surfaces of starch deformed because of the gelatinization. Applied pressure of 600 MPa affected the FTIR characteristic bands at 3330, 2358, and 997 cm-1, indicating a lower crystallinity of the HPP-600 modified sample. According to DSC analysis, even at 600 MPa, WFMS is only partially gelatinized. This work provides insights for producing modified WFM starches by a novel physical modification method.
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Affiliation(s)
- A Jamna Sherin
- Dept. of Food Engineering, National Institute of Food Technology, Entrepreneurship and Management - Thanjavur (NIFTEM-T), Thanjavur, India
| | - C K Sunil
- Dept. of Food Engineering, National Institute of Food Technology, Entrepreneurship and Management - Thanjavur (NIFTEM-T), Thanjavur, India; Centre of Excellence for Grain Sciences, National Institute of Food Technology, Entrepreneurship and Management - Thanjavur (NIFTEM-T), Thanjavur, India.
| | - D V Chidanand
- Industry Academia Cell, National Institute of Food Technology, Entrepreneurship and Management - Thanjavur (NIFTEM-T), Thanjavur, India
| | - N Venkatachalapathy
- Dept. of Food Engineering, National Institute of Food Technology, Entrepreneurship and Management - Thanjavur (NIFTEM-T), Thanjavur, India; Centre of Excellence for Grain Sciences, National Institute of Food Technology, Entrepreneurship and Management - Thanjavur (NIFTEM-T), Thanjavur, India
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Wang A, Wu M, Li Z, Zhou Y, Zhu F, Huang Z. Utilizing different types of biomass materials to modify steel slag for the preparation of composite materials used in the adsorption and solidification of Pb in solutions and soil. Sci Total Environ 2024; 914:170023. [PMID: 38218480 DOI: 10.1016/j.scitotenv.2024.170023] [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] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 01/05/2024] [Accepted: 01/07/2024] [Indexed: 01/15/2024]
Abstract
This study utilized discarded steel slag (SS) as raw material and prepared modified steel slag materials (SS-SBC, SS-NBC, SS-BHA) through modification with biomass materials such as straw biochar (SBC), nutshell biochar (NBC), and biochemical humic acid (BHA). These materials were then applied for the removal of Pb from both solution and soil. The physical and chemical properties of the materials were analyzed using characterization techniques such as SEM, EDS, XRD, and BET. The specific surface area of the modified materials increased from the original 3.8584 m2/g to 34.7133 m2/g, 181.7329 m2/g, and 7.7384 m2/g, respectively. The study then explored the influence of different adsorption conditions on the adsorption capacity of Pb in solution, determining the optimal conditions as follows: initial concentration of 200 mg/L, adsorbent mass of 0.04 g, temperature of 15 °C, and pH = 2. To further investigate the adsorption process, kinetic and isotherm models were established. The results indicated that the adsorption process for all three materials followed a pseudo-second-order kinetic model and Freundlich isotherm model, suggesting a multi-layer chemical adsorption. Thermodynamic analysis revealed that the adsorption process was an exothermic spontaneous reaction. Soil cultivation experiments were conducted to explore the effects of different material addition amounts and cultivation times on the passivation of Pb-polluted soil. Analysis of heavy metal forms in the soil revealed that the addition of modified materials reduced the acid-extractable form of Pb in the soil and increased the residual form, which is beneficial for reducing the migration of Pb in the soil. FT-IR and XPS analyses were employed to study the functional groups, element composition, and valence states before and after adsorption passivation of Pb by the three materials. The results confirmed that the adsorption mechanisms of SS-SBC, SS-NBC, and SS-BHA mainly involved electrostatic adsorption, ion and ligand exchange, and surface precipitation. This study not only provides a new material for adsorbing and immobilizing heavy metals in soil and water but also offers a new approach for the resource utilization of steel slag waste.
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Affiliation(s)
- An Wang
- School of Chemical and Environmental Engineering, China University of Mining and Technology-, Beijing, Beijing 100083, China
| | - Meiling Wu
- School of Chemical and Environmental Engineering, China University of Mining and Technology-, Beijing, Beijing 100083, China
| | - Zhongyuan Li
- CSCEC 8TH Division Environmental Technology Co., Ltd, Shanghai 200444, China
| | - Yuqiang Zhou
- CSCEC 8TH Division Environmental Technology Co., Ltd, Shanghai 200444, China
| | - Fanmin Zhu
- School of Chemical and Environmental Engineering, China University of Mining and Technology-, Beijing, Beijing 100083, China
| | - Zhanbin Huang
- School of Chemical and Environmental Engineering, China University of Mining and Technology-, Beijing, Beijing 100083, China.
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McCay N, Roberts P, Walsh K. Use of a modified microvascular plug to modify fenestration flow in a rapidly failing Fontan. Cardiol Young 2024; 34:698-700. [PMID: 38224016 DOI: 10.1017/s1047951123004523] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/16/2024]
Abstract
We report a case of an alternative transcatheter use of the modified Medtronic microvascular plug to modify fenestration stent flow in a patient with a rapidly deteriorating clinical condition. This four-year-old boy developed severe cyanosis following fenestration stent insertion, initially placed due to prolonged drainage post-Fontan with extra-cardiac conduit. In April 2023, he underwent urgent cardiac catheterisation and had partial occlusion of fenestration stent with a modified 9Q microvascular plug. His oxygen saturations improved from 50 to 89% in room air with no re-emergence of raised cavopulmonary pressures.
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Tapdiqov SZ, Malikov EY, Humbatova SF, Ahmed FF, Kazımova SS, Gulamirov AM, Mammadova SM, Guliyeva JE. The physical-mechanical behavior and chemical bonding nature of poly-N-vinylpyrrolidone modified cement concrete. Heliyon 2024; 10:e26039. [PMID: 38390108 PMCID: PMC10881845 DOI: 10.1016/j.heliyon.2024.e26039] [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] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 02/05/2024] [Accepted: 02/07/2024] [Indexed: 02/24/2024] Open
Abstract
In this study, the various amounts of poly-N-vinylpyrrolidone (PVPr) were added to the cement paste, and some parameters - flowing, initial and final setting points, water absorption, compressive strength, and flexural strength were determined. The concrete containing 0.8% PVPr exhibited high water absorption, specifically, at 14 and 28 days, increased from 15.65% to 20.71% and from 16.74% to 21.67%, respectively. The final setting time increased from 238 min to 261 min. It was determined that the compressive strength of the cement mortar increased from 54.8 MPa to 58.5 MPa when the PVPr content was 0.8-1.0%. The flexural strength also improved due to the presence of PVPr, increasing from 11.58 MPa to 14.27 MPa. According to the FTIR characterization, the PVPr macromolecule interacts with Ca2+ and Al3+ ions. TGA analysis reveals that the chemical interaction of PVPr with calcium and aluminum ions limits its mass loss up to 4-5% until 400 °C.
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Affiliation(s)
| | | | - Seadat F Humbatova
- Nanostructured Metal-polymer Catalysts, Institute of Catalysis and Inorganic Chemistry, Azerbaijan Republic Ministry of Science and Education, Azerbaijan
| | | | | | - Ayaz M Gulamirov
- Department of Nuclear Spectroscopy and Radiochemistry, National Nuclear Research Centre, Azerbaijan
| | - Samire M Mammadova
- Nanostructured Metal-polymer Catalysts, Institute of Catalysis and Inorganic Chemistry, Azerbaijan Republic Ministry of Science and Education, Azerbaijan
| | - Jamila E Guliyeva
- Nanostructured Metal-polymer Catalysts, Institute of Catalysis and Inorganic Chemistry, Azerbaijan Republic Ministry of Science and Education, Azerbaijan
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Wang W, Niu B, Liu R, Chen H, Fang X, Wu W, Wang G, Gao H, Mu H. Development of bio-based PLA/cellulose antibacterial packaging and its application for the storage of shiitake mushroom. Food Chem 2023; 429:136905. [PMID: 37487388 DOI: 10.1016/j.foodchem.2023.136905] [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: 04/07/2023] [Revised: 07/01/2023] [Accepted: 07/10/2023] [Indexed: 07/26/2023]
Abstract
This study presents the extraction of cellulose from water bamboo byproducts to prepare polylactic acid (PLA)/cellulose antibacterial packaging material. The cellulose was modified using a silane coupling agent, which improved the interfacial compatibility between cellulose and PLA. Upon coating the PLA onto the modified cellulose sheet, the water contact angle of the composite material increased from 11.42° to 132.12° and the water absorption rate decreased from 182.52% to 55.71%, which improved the water resistance performance of the material. The addition of cinnamaldehyde in the PLA layer imparted antibacterial activity to the PLA/cellulose packaging material. This packaging material effectively inhibited the mycelial growth and spore germination of Aspergillus niger and Trichoderma harzianum isolated from shiitake mushroom. Additionally, the study investigated the effects of the composite on the postharvest quality of shiitake mushroom. Overall, the packaging material contributed to shiitake mushroom storage and can be applied to other perishable food products.
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Affiliation(s)
- Weitao Wang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Post-Harvest Handling of Fruits, Ministry of Agriculture and Rural Affairs, Key Laboratory of Fruits and Vegetables Postharvest and Processing Technology Research of Zhejiang Province, Food Science Institute, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Ben Niu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Post-Harvest Handling of Fruits, Ministry of Agriculture and Rural Affairs, Key Laboratory of Fruits and Vegetables Postharvest and Processing Technology Research of Zhejiang Province, Food Science Institute, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Ruiling Liu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Post-Harvest Handling of Fruits, Ministry of Agriculture and Rural Affairs, Key Laboratory of Fruits and Vegetables Postharvest and Processing Technology Research of Zhejiang Province, Food Science Institute, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Hangjun Chen
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Post-Harvest Handling of Fruits, Ministry of Agriculture and Rural Affairs, Key Laboratory of Fruits and Vegetables Postharvest and Processing Technology Research of Zhejiang Province, Food Science Institute, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Xiangjun Fang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Post-Harvest Handling of Fruits, Ministry of Agriculture and Rural Affairs, Key Laboratory of Fruits and Vegetables Postharvest and Processing Technology Research of Zhejiang Province, Food Science Institute, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Weijie Wu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Post-Harvest Handling of Fruits, Ministry of Agriculture and Rural Affairs, Key Laboratory of Fruits and Vegetables Postharvest and Processing Technology Research of Zhejiang Province, Food Science Institute, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Guannan Wang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Post-Harvest Handling of Fruits, Ministry of Agriculture and Rural Affairs, Key Laboratory of Fruits and Vegetables Postharvest and Processing Technology Research of Zhejiang Province, Food Science Institute, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Haiyan Gao
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Post-Harvest Handling of Fruits, Ministry of Agriculture and Rural Affairs, Key Laboratory of Fruits and Vegetables Postharvest and Processing Technology Research of Zhejiang Province, Food Science Institute, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China.
| | - Honglei Mu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Post-Harvest Handling of Fruits, Ministry of Agriculture and Rural Affairs, Key Laboratory of Fruits and Vegetables Postharvest and Processing Technology Research of Zhejiang Province, Food Science Institute, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China.
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Srivastava NS, Arruda J, Haddadin CA, Ries J, Snyder C. Successful modified implantation of insertable cardiac monitor in a very young paediatric patient. Cardiol Young 2023; 33:2518-2520. [PMID: 36970856 DOI: 10.1017/s1047951123000434] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Insertable cardiac monitors are minimally invasive devices designed for implantation in the chest wall of patients to record heart rhythms and relate them to symptoms over prolonged periods. The Jot Dx™ (Abbott Laboratories, Abbott Park, IL, USA) is the latest Food and Drug Administration-cleared insertable cardiac monitor that is Bluetooth™ enabled allowing for near-immediate transmission of data from patients to physicians. We report on the first paediatric patient, in a patient weighing 11.7 kg, to undergo a modified, vertical, parasternal implantation of a Jot Dx™.
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Affiliation(s)
- Namun S Srivastava
- Pediatric Cardiology, The Congenital Heart Collaborative, University Hospitals, Rainbow Babies and Children's Hospital, Case Western Reserve University School of Medicine, 11100 Euclid Ave, Cleveland, OH, 44106, USA
| | - Janine Arruda
- Pediatric Cardiology, The Congenital Heart Collaborative, University Hospitals, Rainbow Babies and Children's Hospital, Case Western Reserve University School of Medicine, 11100 Euclid Ave, Cleveland, OH, 44106, USA
| | - Caroline Al Haddadin
- Pediatric Cardiology, The Congenital Heart Collaborative, University Hospitals, Rainbow Babies and Children's Hospital, Case Western Reserve University School of Medicine, 11100 Euclid Ave, Cleveland, OH, 44106, USA
| | - Jessica Ries
- Pediatric Cardiology, The Congenital Heart Collaborative, University Hospitals, Rainbow Babies and Children's Hospital, Case Western Reserve University School of Medicine, 11100 Euclid Ave, Cleveland, OH, 44106, USA
| | - Christopher Snyder
- Pediatric Cardiology, The Congenital Heart Collaborative, University Hospitals, Rainbow Babies and Children's Hospital, Case Western Reserve University School of Medicine, 11100 Euclid Ave, Cleveland, OH, 44106, USA
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Zhao Y, Zhang L, Zhang S, Zheng X, Zheng M, Liu J. Maleic anhydride- modified xylanase and its application to the clarification of fruits juices. Food Chem X 2023; 19:100830. [PMID: 37780259 PMCID: PMC10534184 DOI: 10.1016/j.fochx.2023.100830] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Revised: 07/19/2023] [Accepted: 08/06/2023] [Indexed: 10/03/2023] Open
Abstract
At presently, the catalytic activity of xylanase is sub-optimal, and the required reaction conditions are harsh. To improve its catalytic activity and stability, xylanase (XY) was chemically modified with maleic anhydride (MA). The enzymatic properties of this maleic anhydride-modified xylanase (MA-XY) were then evaluated and analyzed spectroscopically. The results showed that the thermal stability, use of organic solvents, storage stability and the pH range of 3.0 to 9.0 for MA-XY were better than that for XY alone. The kinetic parameters of the enzyme (Km values) decreased from 40.63 to 30.23 mg/mL. Spectroscopic analysis showed that XY had been modified by the acylation reaction to become a tertiary structure. An assay based on clarifying fruit juices showed that the clarification capacity and reducing sugar content using MA-XY increased compared with those using XY. Overall, this study provides a theoretical basis for improving the application of XY in the food industry.
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Affiliation(s)
- Yang Zhao
- College of Food Science and Engineering, Jilin Agricultural University, Changchun, Jilin 130118, China
- National Engineering Research Center for Wheat and Corn Deep Processing Changchun, Jilin 130118, China
| | - Luyue Zhang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun, Jilin 130118, China
- National Engineering Research Center for Wheat and Corn Deep Processing Changchun, Jilin 130118, China
| | - Shiyu Zhang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun, Jilin 130118, China
- National Engineering Research Center for Wheat and Corn Deep Processing Changchun, Jilin 130118, China
| | - Xing Zheng
- College of Food Science and Engineering, Jilin Agricultural University, Changchun, Jilin 130118, China
- National Engineering Research Center for Wheat and Corn Deep Processing Changchun, Jilin 130118, China
| | - Mingzhu Zheng
- College of Food Science and Engineering, Jilin Agricultural University, Changchun, Jilin 130118, China
- National Engineering Research Center for Wheat and Corn Deep Processing Changchun, Jilin 130118, China
| | - Jingsheng Liu
- College of Food Science and Engineering, Jilin Agricultural University, Changchun, Jilin 130118, China
- National Engineering Research Center for Wheat and Corn Deep Processing Changchun, Jilin 130118, China
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Teshigawara T, Akaishi M, Mizuki Y, Takeuchi M, Hata S, Meguro A, Mizuki N. Modified Technique of Setting Capsulotomy Thickness in Reducing Capsulotomy-Related Complications During Femtosecond Laser-Assisted Cataract Surgery: A Prospective, Comparative Cohort Study. Ophthalmol Ther 2023; 12:2621-2630. [PMID: 37466812 PMCID: PMC10442002 DOI: 10.1007/s40123-023-00770-5] [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] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 07/04/2023] [Indexed: 07/20/2023] Open
Abstract
INTRODUCTION Although uncommon, incomplete capsulotomy, anterior capsule tags and anterior capsule tears are still encountered during femtosecond laser-assisted cataract surgery (FLACS), resulting in surgical complications. This highlights the need to improve femtosecond laser-assisted capsulotomy technique to reduce capsulotomy-related complications. Therefore, the purpose of this study was to investigate the efficacy of a newly developed, modified technique of setting capsulotomy irradiation thickness in lowering the incidence of capsulotomy-related complications in FLACS. METHODS This open-label prospective, comparative cohort study included 440 eyes (220 patients) treated with FLACS using the LenSx laser system (Alcon Laboratories, Inc. Fort Worth, TX, USA). Varying capsulotomy irradiation thicknesses were applied in each eye of the same patient. In Group 1, capsulotomy irradiation thickness was set between the upper edge of the highest point of the anterior capsule and the lower edge of the lowest point of the anterior capsule (modified technique). In Group 2, this was set between the center of the highest point of the anterior capsule and the center of the lowest part of the anterior capsule (conventional technique). Incidence rates of incomplete capsulotomy, anterior capsule tags and tears, and posterior capsule tears were compared. RESULTS Preoperative baseline characteristics showed no significant differences. Mean total of the irradiation thicknesses was 877.1 ± 81.9 µm in Group 1 and 808.9 ± 80.0 in Group 2, with a statistically significant difference (P < 0.001). Incidences of incomplete capsulotomy were 1.8% and 7.7%, anterior capsule tags were 2.3% and 8.6%, and anterior capsule tears were 0% and 3.2% in Groups 1 and 2, respectively. These differences were statistically significant (P = 0.006, 0.005, and 0.015, respectively). No posterior capsule tears were reported in either group. CONCLUSION The modified technique for capsulotomy in FLACS may significantly reduce the occurrence of capsulotomy-related complications, maximizing the benefits of FLACS.
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Affiliation(s)
- Takeshi Teshigawara
- Department of Ophthalmology, Yokosuka Chuoh Eye Clinic, 2-6 Odaki-cho, Yokosuka, Kanagawa, 238-0008, Japan.
- Department of Ophthalmology, Tsurumi Chuoh Eye Clinic, Tsurumi, Yokohama, Kanagawa, Japan.
- Department of Ophthalmology, Yokohama City University School of Medicine, Kanazawa, Yokohama, Kanagawa, Japan.
| | - Miki Akaishi
- Department of Ophthalmology, Yokohama City University School of Medicine, Kanazawa, Yokohama, Kanagawa, Japan
| | - Yuki Mizuki
- Department of Ophthalmology, Yokohama City University School of Medicine, Kanazawa, Yokohama, Kanagawa, Japan
| | - Masaki Takeuchi
- Department of Ophthalmology, Yokohama City University School of Medicine, Kanazawa, Yokohama, Kanagawa, Japan
| | - Seiichiro Hata
- Department of Ophthalmology, Yokohama Sky Eye Clinic, Yokohama, Kanagawa, Japan
| | - Akira Meguro
- Department of Ophthalmology, Yokohama City University School of Medicine, Kanazawa, Yokohama, Kanagawa, Japan
| | - Nobuhisa Mizuki
- Department of Ophthalmology, Yokohama City University School of Medicine, Kanazawa, Yokohama, Kanagawa, Japan
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11
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Rodgers J, Brice S, Welsh P, Ingham B, Wilson C, Evans G, Steele K, Cropper E, Le Couteur A, Freeston M, Parr JR. A Pilot Randomised Control Trial Exploring the Feasibility and Acceptability of Delivering a Personalised Modular Psychological Intervention for Anxiety Experienced by Autistic Adults: Personalised Anxiety Treatment-Autism (PAT-A). J Autism Dev Disord 2023:10.1007/s10803-023-06112-5. [PMID: 37728782 DOI: 10.1007/s10803-023-06112-5] [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] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/15/2023] [Indexed: 09/21/2023]
Abstract
Anxiety is commonly experienced by autistic people and impacts on quality of life and social participation. New anxiety interventions are required to effectively meet the needs of autistic people. Personalised Anxiety Treatment-Autism (PAT-A©) is a bespoke, modular approach to treating anxiety in up to 12 sessions. This study explored the feasibility and acceptability of delivering PAT-A© in the UK National Health Service (NHS). A single-blind randomised controlled trial design. Thirty-four autistic adults were recruited via clinical services and randomised to receive either PAT-A© or enhanced treatment as usual (CCSP). Outcome assessments relating to anxiety, quality of life and related constructs were completed at baseline, immediately post intervention; and at 3 and 12 months. Seventy-one percent of the PAT-A© group and 65% of the CCSP met diagnostic threshold for at least three anxiety disorders. Retention was good across both groups, with 82% (N = 14/17) completing the full course of PAT-A© and 71% (N = 12/17) attending both psychoeducational sessions in CCSP. 94% in PAT-A© and 82% in CCSP completed some follow up assessment 3 months post-intervention. Thematic analysis of interview data revealed that many participants valued the personalised approach, developed transferable skills and experienced positive changes to their anxiety. Participants were willing to be recruited and randomised, PAT-A© was feasible to deliver in the NHS and the trial methods and materials were acceptable. Our findings indicate that a fully powered clinical and cost-effectiveness trial of PAT-A© is warranted.
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Affiliation(s)
- Jacqui Rodgers
- Population Health Sciences Institute, Newcastle University, Newcastle Upon Tyne, UK.
| | - Samuel Brice
- Population Health Sciences Institute, Newcastle University, Newcastle Upon Tyne, UK
- Cumbria, Northumberland, Tyne and Wear NHS Foundation Trust, Newcastle Upon Tyne, UK
| | - Patrick Welsh
- Cumbria, Northumberland, Tyne and Wear NHS Foundation Trust, Newcastle Upon Tyne, UK
| | - Barry Ingham
- Population Health Sciences Institute, Newcastle University, Newcastle Upon Tyne, UK
- Cumbria, Northumberland, Tyne and Wear NHS Foundation Trust, Newcastle Upon Tyne, UK
| | - Colin Wilson
- Population Health Sciences Institute, Newcastle University, Newcastle Upon Tyne, UK
| | - Gemma Evans
- Cumbria, Northumberland, Tyne and Wear NHS Foundation Trust, Newcastle Upon Tyne, UK
| | - Katie Steele
- School of Psychology, Newcastle University, Newcastle Upon Tyne, UK
| | - Emily Cropper
- School of Psychology, Newcastle University, Newcastle Upon Tyne, UK
| | - Ann Le Couteur
- Population Health Sciences Institute, Newcastle University, Newcastle Upon Tyne, UK
| | - Mark Freeston
- School of Psychology, Newcastle University, Newcastle Upon Tyne, UK
| | - Jeremy R Parr
- Population Health Sciences Institute, Newcastle University, Newcastle Upon Tyne, UK
- Cumbria, Northumberland, Tyne and Wear NHS Foundation Trust, Newcastle Upon Tyne, UK
- Newcastle Upon Tyne Hospitals NHS Foundation Trust, Newcastle Upon Tyne, UK
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12
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Peng G, Zhu W, Zuo Z, Liu C, Zhang Z, Zhao Y, Zhang X, Wu Z, Tao L. Efficacy of modified time of flight magnetic resonance venography in diagnosis of iliac vein compression syndrome. Eur J Radiol 2023; 166:111020. [PMID: 37542815 DOI: 10.1016/j.ejrad.2023.111020] [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: 06/16/2023] [Revised: 07/21/2023] [Accepted: 07/30/2023] [Indexed: 08/07/2023]
Abstract
OBJECTIVE We investigated the diagnostic efficacy of modified time of flight magnetic resonance venography (mTOF-MRV) for iliac vein compression syndrome diagnosis by optimizing the scanning parameters and improving image quality. METHODS A retrospective study was conducted on 69 patients who underwent routine time of flight magnetic resonance venography (TOF-MRV) and 85 patients who received mTOF-MRV. Assessment of image quality of the two methods was performed by two radiologists using a four-point method. The sensitivity, specificity, positive and negative predictive values of TOF-MRV and mTOF-MRV in the diagnosis of significant iliac vein compression (stenosis >50%) were analyzed by calculating the iliac vein stenosis rates of the two methods and using digital subtraction angiography (DSA) as the gold standard. RESULTS Inter-observer assessment of objective data measurement revealed excellent agreement {ICC [95% confidence interval (CI)]: 0.972 (0.953 to 0.983) for TOF-MRV and 0.979 (0.965 to 0.988) for m-TOF MRV, 0.976 (0.960 to 0.986) for DSA}. The mean error of stenosis rate of mTOF-MRV was markedly smaller than that of TOF-MRV (p < 0.05). Sensitivity, specificity, positive and negative predictive values of TOF-MRV in the diagnosis of significant stenosis were 100%, 95%, 67% and 100%, respectively. The sensitivity, specificity, positive and negative predictive values of mTOF-MRV were 100%. The mean image score for the mTOF-MRV was 3.63 ± 0.59, which was significantly higher compared with that of TOF-MRV (2.19 ± 0.42). CONCLUSION mTOF-MRV has better image quality and can accurately diagnose venous stenosis. Therefore, it can be used for the detection of iliac vein compression syndrome and further assessment after endovascular interventions.
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Affiliation(s)
- Gang Peng
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Wei Zhu
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Ziyu Zuo
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Chuan Liu
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Zhiwei Zhang
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yu Zhao
- Department of Vascular Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xiaoyu Zhang
- Department of Radiology, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China
| | - Zhiyi Wu
- Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, China
| | - Li Tao
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
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13
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Pfleger F, Schwake-Anduschus C. Relevance of Zearalenone and its modified forms in bakery products. Mycotoxin Res 2023:10.1007/s12550-023-00493-3. [PMID: 37322296 PMCID: PMC10393900 DOI: 10.1007/s12550-023-00493-3] [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] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 05/26/2023] [Accepted: 05/30/2023] [Indexed: 06/17/2023]
Abstract
Zearalenone is a frequently occurring and well-known mycotoxin developed in cereals before and during the harvest period by Fusarium spp. mainly in maize and wheat. In addition to the main form, various modified forms (phase I and II metabolites) were detected, in some cases in high amounts. These modified forms can be harmful for human health due to their different toxicity, which can be much higher compared to the parent toxin. In addition, the parent toxin can be cleaved from the phase I and II metabolites during digestion. A risk of correlated and additive adverse effects of the metabolites of ZEN phase I and II in humans and animals is evident. ZEN is considered in many studies on its occurrence in grain-based foods and some studies are dedicated to the behavior of ZEN during food processing. This is not the case for the ZEN phase I and II metabolites, which are only included in a few occurrence reports. Their effects during food processing is also only sporadically addressed in studies to date. In addition to the massive lack of data on the occurrence and behavior of ZEN modified forms, there is also a lack of comprehensive clarification of the toxicity of the numerous different ZEN metabolites detected to date. Finally, studies on the fate during digestion of the relevant ZEN metabolites will be important in the future to further clarify their relevance in processed foods such as bakery products.
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Affiliation(s)
- Franz Pfleger
- Association for Cereal Research e.V., Detmold, Germany
| | - Christine Schwake-Anduschus
- Department of Safety and Quality of Cereals, Max Rubner-Institut, Federal Research Institute of Nutrition and Food, Detmold, Germany.
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14
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Halko R, Hagarová I, Andruch V. Innovative approaches in cloud-point extraction. J Chromatogr A 2023; 1701:464053. [PMID: 37207414 DOI: 10.1016/j.chroma.2023.464053] [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] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 05/05/2023] [Accepted: 05/07/2023] [Indexed: 05/21/2023]
Abstract
Cloud-point extraction (CPE) is a pre-treatment technique for the extraction and preconcentration of different chemical compounds, such as metal ions, pesticides, drugs, phenols, vitamins etc., from various samples. CPE is based on the phenomenon of two phases (micellar and aqueous) forming after the heating of an aqueous isotropic solution of a non-ionic or zwitterionic surfactant above the cloud-point temperature. If analytes are added to the surfactant solution under suitable conditions, they should be extracted into the micellar phase, also called the surfactant-rich phase. Recently, the traditional CPE procedure is being increasingly replaced by improved CPE procedures. In this study, recent advances in CPE over the last three years (2020 - 2022), including the application of various innovative approaches, are reviewed. In addition to the basic principle of CPE, alternative extraction media in CPE, CPE supported by various auxiliary energies, a different modified CPE procedure and the use nanomaterials and solid-phase extraction in combination with CPE are presented and discussed. Finally, some future trends for improved CPE are presented.
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Affiliation(s)
- Radoslav Halko
- Department of Analytical Chemistry, Faculty of Natural Sciences, Comenius University Bratislava, Mlynská dolina, Ilkovičova 6, 842 15 Bratislava IV, Slovak Republic.
| | - Ingrid Hagarová
- Institute of Laboratory Research on Geomaterials, Faculty of Natural Sciences, Comenius University Bratislava, Mlynská dolina, Ilkovičova 6, 842 15 Bratislava IV, Slovak Republic
| | - Vasil Andruch
- Department of Analytical Chemistry, Faculty of Science, Pavol Jozef Šafárik University in Košice, Košice 041 80, Slovak Republic
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15
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Li D, Feng Y, Li F, Tang J, Hua T. Carbon Fibers for Bioelectrochemical: Precursors, Bioelectrochemical System, and Biosensors. Adv Fiber Mater 2023; 5:699-730. [PMID: 36818429 PMCID: PMC9923679 DOI: 10.1007/s42765-023-00256-w] [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] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 01/02/2023] [Indexed: 05/27/2023]
Abstract
Abstract Carbon fibers (CFs) demonstrate a range of excellent properties including (but not limited to) microscale diameter, high hardness, high strength, light weight, high chemical resistance, and high temperature resistance. Therefore, it is necessary to summarize the application market of CFs. CFs with good physical and chemical properties stand out among many materials. It is believed that highly fibrotic CFs will play a crucial role. This review first introduces the precursors of CFs, such as polyacrylonitrile, bitumen, and lignin. Then this review introduces CFs used in BESs, such as electrode materials and modification strategies of MFC, MEC, MDC, and other cells in a large space. Then, CFs in biosensors including enzyme sensor, DNA sensor, immune sensor and implantable sensor are summarized. Finally, we discuss briefly the challenges and research directions of CFs application in BESs, biosensors and more fields. Highlights CF is a new-generation reinforced fiber with high hardness and strength.Summary precursors from different sources of CFs and their preparation processes.Introduction of the application and modification methods of CFs in BESs and biosensor.Suggest the challenges in the application of CFs in the field of bio-electrochemistry.Propose the prospective research directions for CFs. Graphical abstract
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Affiliation(s)
- Donghao Li
- College of Environmental Science and Engineering, Nankai University, 38 Tongyan Road, Tianjin, 300350 China
- Key Laboratory of Pollution Process and Environmental Criteria, Tianjin Engineering Center of Environmental Diagnosis and Contamination Remediation, Tianjin, 300350 China
| | - Yimeng Feng
- College of Environmental Science and Engineering, Nankai University, 38 Tongyan Road, Tianjin, 300350 China
- Key Laboratory of Pollution Process and Environmental Criteria, Tianjin Engineering Center of Environmental Diagnosis and Contamination Remediation, Tianjin, 300350 China
| | - Fengxiang Li
- College of Environmental Science and Engineering, Nankai University, 38 Tongyan Road, Tianjin, 300350 China
- Key Laboratory of Pollution Process and Environmental Criteria, Tianjin Engineering Center of Environmental Diagnosis and Contamination Remediation, Tianjin, 300350 China
| | - Jingchun Tang
- College of Environmental Science and Engineering, Nankai University, 38 Tongyan Road, Tianjin, 300350 China
- Key Laboratory of Pollution Process and Environmental Criteria, Tianjin Engineering Center of Environmental Diagnosis and Contamination Remediation, Tianjin, 300350 China
| | - Tao Hua
- College of Environmental Science and Engineering, Nankai University, 38 Tongyan Road, Tianjin, 300350 China
- Key Laboratory of Pollution Process and Environmental Criteria, Tianjin Engineering Center of Environmental Diagnosis and Contamination Remediation, Tianjin, 300350 China
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16
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Romoli S, Petrella L, Becattini E, Pisano A, Wembagher GC, De Biase P. Treatment of unstable spinopelvic fractures: outcome of three surgical techniques-a retrospective single-center case series. Eur Spine J 2023; 32:93-100. [PMID: 35964267 DOI: 10.1007/s00586-022-07330-8] [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] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 06/16/2022] [Accepted: 07/12/2022] [Indexed: 02/07/2023]
Abstract
PURPOSE The aim of our retrospective study is to analyze how spinopelvic dissociations (SPDs) were treated in a single center trying to better understand how to improve surgical and non-surgical options. METHODS Twenty patients of a single center surgically treated for SPDs between 2013 and 2021 were retrospectively included in this study. Three surgical techniques have been used: modified triangular stabilization, triangular stabilization and double iliac screws stabilization. Follow-up was assessed for up to 11.6 ± 9.9 months through ODI, MRS, NRS, IIEF or FSFI, a CT scan and whole spine X-ray examination. RESULTS Twenty patients were admitted to our ER for traumatic spinopelvic dissociation. Surgical treatment for spinopelvic dissociation has been performed on average 11.5 ± 6.7 days after the trauma event. Eighteen fractures were C3 type and two C2 types. Neurological examination showed nerve root injury (N2) in 5 patients, incomplete spinal cord injury (N3) in 4 patients and cauda equina syndrome in two patients (N4). In case of neurologic deficits, routinary nerve decompression was performed. Three different surgical techniques have been used: 8 triangular fixations (Group 1), 6 modified triangular stabilization (Group 2) and 6 double iliac screws triangular fixation (Group 3). CONCLUSION In patients with post-traumatic neurological deficit, decompression surgery and fracture reduction seem to be associated with clinical improvement; however, sexual disorders seem to be less responsive to the treatment. Some open stabilization techniques, such as the double iliac screw, could help in restoring the sagittal balance in case of severe deformities.
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Affiliation(s)
- S Romoli
- Spine Surgery Unit, Careggi University Hospital, Largo Palagi 1, 50137, Florence, Italy
| | - L Petrella
- Spine Surgery Unit, Careggi University Hospital, Largo Palagi 1, 50137, Florence, Italy
| | - Eleonora Becattini
- Spine Surgery Unit, Careggi University Hospital, Largo Palagi 1, 50137, Florence, Italy.
| | - A Pisano
- Spine Surgery Unit, Careggi University Hospital, Largo Palagi 1, 50137, Florence, Italy
| | - G C Wembagher
- Spine Surgery Unit, Careggi University Hospital, Largo Palagi 1, 50137, Florence, Italy
| | - P De Biase
- Traumatology and General Orthopedic Surgery, Careggi University Hospital, Florence, Italy
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17
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Behrendt P, Berninger MT, Thürig G, Dehoust J, Christensen JH, Frosch KH, Krause M, Hartel MJ. Anterolateral versus modified posterolateral approach for tibial plateau fractures with involvement of the posterior column: a cadaveric study. Eur J Trauma Emerg Surg 2023; 49:201-207. [PMID: 36171336 PMCID: PMC9925589 DOI: 10.1007/s00068-022-02113-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 09/17/2022] [Indexed: 11/25/2022]
Abstract
INTRODUCTION The aim of this study was to compare the reduction quality of the anterolateral (AL) and modified posterolateral approach (PL) in lateral tibial plateau fractures involving the posterior column and central segments. METHODS Matched pairs of pre-fractured cadaveric tibial plateau fractures were treated by either AL approach (supine position) or PL approach (prone position). Reduction was controlled by fluoroscopy and evaluated as satisfying or unacceptable. Afterwards, the reduction was examined by 3D scan. RESULTS 10 specimens (3 pairs 41B3.1, 2 pairs 41C3.3) were evaluated. PL approach achieved significantly (p 0.00472) better fracture reduction results (0.4 ± 0.7 mm) of the posterior column compared to the AL group (2.1 ± 1.4 mm). Fracture steps involving the central area of the lateral plateau were insufficiently reduced after fluoroscopy using both approaches. CONCLUSION Optimal reduction of displaced tibial plateau fractures involving the posterolateral column necessitates a posterior approach, which can be conducted in prone or lateral positioning. The anterolateral approach is indicated in fractures with minor displacement of the posterolateral rim but fracture extension in the latero-central segments. In these cases, an additional video-assisted reduction or extended approaches are helpful.
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Affiliation(s)
- Peter Behrendt
- Department of Trauma Surgery, Orthopedics and Sports Orthopedics, Asklepios St. Georg, Hamburg, Germany.
- Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
- Department of Anatomy, Christian-Albrechts-University, Kiel, Germany.
| | - Markus T Berninger
- Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Grégoire Thürig
- Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Department of Orthopedics and Traumatology, Cantonal Hospital Fribourg, Fribourg, Switzerland
| | - Julius Dehoust
- Department of Trauma Surgery, Orthopaedics and Sports Traumatology, BG Hospital Hamburg, Hamburg, Germany
| | - Jan H Christensen
- Department of Orthopedics and Traumatology, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Karl-Heinz Frosch
- Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Department of Trauma Surgery, Orthopaedics and Sports Traumatology, BG Hospital Hamburg, Hamburg, Germany
| | - Matthias Krause
- Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Maximilian J Hartel
- Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Department of Trauma Surgery, Orthopaedics and Sports Traumatology, BG Hospital Hamburg, Hamburg, Germany
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18
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Nishanthine C, Miglani R, R I, Poorni S, Srinivasan MR, Robaian A, Albar NHM, Alhaidary SFR, Binalrimal S, Almalki A, Vinothkumar TS, Dewan H, Radwan W, Mirza MB, Bhandi S, Patil S. Evaluation of Fluoride Release in Chitosan- Modified Glass Ionomer Cements. Int Dent J 2022; 72:785-791. [PMID: 35810014 PMCID: PMC9676517 DOI: 10.1016/j.identj.2022.05.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [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: 01/25/2022] [Revised: 04/30/2022] [Accepted: 05/10/2022] [Indexed: 11/05/2022] Open
Abstract
OBJECTIVE This study assessed the influence of chitosan nanoparticles on the fluoride-releasing ability of 4 glass ionomer cement (GIC) through an in vitro analysis. METHODS Four types of GIC (type II light cure universal restorative, type II universal restorative, GC Fuji VII, and type IX) were modified with nanochitosan particles; 10% chitosan was added to the glass ionomer liquid. Six specimens for each of the 4 groups were created, using expendable Teflon moulds. Discs of each type of GIC (n = 6) were immersed in deionised water at various time intervals. Electrodes selective for fluoride ions were employed to analyse the amount of released fluoride at 1, 7, 14, 21, and 28 days. RESULTS Chitosan-modified GICs showed greater fluoride release than conventional GICs at all time points. All samples showed an initial high release of fluoride that tapered off with time. The total amount of fluoride released increased from the 1st day to the 28th day on adding chitosan to all the 4 types of GIC. Amongst those, type IX high-strength posterior extra with chitosan released a considerably higher quantity of fluoride at all time intervals. CONCLUSIONS In all the experimental groups, adding chitosan to the glass ionomer liquid had an accelerating effect on its fluoride-releasing property.
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Affiliation(s)
- Cruz Nishanthine
- Department of Conservative Dentistry and Endodontics, Sri Venkateswara Dental College and Hospital, Chennai, India
| | | | - Indira R
- Ragas Dental College & Hospital, Uthandi, Chennai, India
| | - Saravanan Poorni
- Department of Conservative Dentistry and Endodontics, Sri Venkateswara Dental College and Hospital, Chennai, India
| | | | - Ali Robaian
- Department of Conservative Dental Science, College of Dentistry, Prince Sattam bin Abdulaziz University, Alkharj, Saudi Arabia
| | | | | | - Sultan Binalrimal
- Restorative Department, College of Dentistry, Riyadh Elm University, Riyadh, Saudi Arabia
| | - Abdullah Almalki
- Department of Preventive Dental Sciences, College of Dentistry, Majmaah University, AL-Majmaah, Saudi Arabia
| | - Thilla Sekar Vinothkumar
- Department of Restorative Dental Sciences, College of Dentistry, Jazan University, Jazan, Saudi Arabia; Department of Conservative Dentistry and Endodontics, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Chennai, India
| | - Harisha Dewan
- Department of Prosthetic Dental Sciences, College of Dentistry, Jazan University, Jazan, Saudi Arabia
| | - Waseem Radwan
- Restorative Department, College of Dentistry, Riyadh Elm University, Riyadh, Saudi Arabia
| | - Mubashir Baig Mirza
- Department of Conservative Dental Science, College of Dentistry, Prince Sattam bin AbdulAziz University, Alkharj, Saudi Arabia
| | - Shilpa Bhandi
- Department of Restorative Dental Sciences, College of Dentistry, Jazan University, Jazan, Saudi Arabia
| | - Shankargouda Patil
- Department of Maxillofacial Surgery and Diagnostic Science, Division of Oral Pathology, College of Dentistry, Jazan University, Jazan, Saudi Arabia.
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Zhu H, Sun Q, Yan J, Zhang J, Sheng J. Recycling of municipal sewage sludge incineration fly ash based on (NH 4) 2SO 4 roasting-acid leaching and filling PP matrix process. Environ Sci Pollut Res Int 2022; 29:89986-89995. [PMID: 35859233 DOI: 10.1007/s11356-022-22061-5] [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] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 07/12/2022] [Indexed: 06/15/2023]
Abstract
Sludge incineration is one of the most efficient sludge treatment methods. The fly ash produced by incineration must be handled further since it has a significant number of heavy metals. In this study, the chemical composition of sewage sludge incineration fly ash (SSA) generated from Zhejiang in various months was identified by XRD, X-ray fluorescence spectrometer (XRF), and SEM analyzes. The SSA were treated by a (NH4)2SO4 roasting-acid leaching process to determine its effect on the elimination performance of heavy metals. The SSA content on the mechanical properties and heavy metal leaching of modified SSA-filled PP composite were also studied. Results show (NH4)2SO4 roasting-acid leaching process has a good effect of eliminating heavy metals, with the highest leaching of Zn of 86.4%. The presence of sodium stearate modifier increases activation index of SSA and then improves the compatibility of SSA particles in PP, resulting for the composites have relatively excellent mechanical properties. For the toxicity characteristic leaching procedure (TCLP) test, modified SSA particles can be effectively encapsulated with PP resins, which have a considerable inhibitory effect on heavy metal leaching. This process from this study provides a reference for sewage sludge treatment by using modified SSA as a polymer filler to achieve the immobilization of heavy metals and the resource recycling.
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Affiliation(s)
- Haifeng Zhu
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Qing Sun
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Jun Yan
- Zhejiang Fangyuan Test Group Co., Ltd, Hangzhou, 310013, Zhejiang, China
| | - Jian Zhang
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Jiawei Sheng
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou, 310014, China.
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Kim H, Chang JE, Kim DK, Won D, Lee JM, Kim TK, Min SW, Lim H, Ma S, Hwang JY. Evaluation of the conventional and modified aerosol boxes during tracheal intubation in normal and difficult airways: a randomized, crossover, manikin simulation study. J Clin Monit Comput 2022; 36:1697-1702. [PMID: 35059912 PMCID: PMC8773385 DOI: 10.1007/s10877-022-00814-4] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Accepted: 01/16/2022] [Indexed: 12/01/2022]
Abstract
The aim of this study was to evaluate conventional and modified aerosol boxes in terms of intubation time, first-pass intubation success, and mouth-to-mouth distance between the laryngoscopist and patient during tracheal intubation in simulated patients with normal and difficult airways. Sixteen anesthesiologists performed tracheal intubations with direct laryngoscope or three different videolaryngoscopes (McGRATH MAC videolaryngoscope, C-MAC videolaryngoscope, and Pentax-AWS) without an aerosol box or with a conventional or a modified aerosol boxes in simulated manikins with normal and difficult airways. Intubation time, first-pass intubation success, and mouth-to-mouth distance during tracheal intubation were recorded. Compared to no aerosol box, the use of a conventional aerosol box significantly increased intubation time in both normal and difficult airways (Bonferroni-corrected P-value (Pcorrected) = 0.005 and Pcorrected = 0.003, respectively). Intubation time was significantly shorter with the modified aerosol box than with the conventional one for both normal and difficult airways (Pcorrected = 0.003 and Pcorrected = 0.011, respectively). However, no significant differences were found in intubation time between no aerosol box and the modified aerosol box for normal and difficult airways (Pcorrected = 0.336 and Pcorrected = 0.112, respectively). The use of conventional or modified aerosol boxes significantly extended the mouth-to-mouth distances compared to not using an aerosol box during tracheal intubation with each laryngoscope (all Pcorrected < 0.05), and the distances were not different between the conventional and modified boxes in normal and difficult airways. The use of modified aerosol box did not increase intubation time and could help maintain a distance from the simulated patients with normal and difficult airways.
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Affiliation(s)
- Hyerim Kim
- Department of Anesthesiology and Pain Medicine, SMG-SNU Boramae Medical Center, Boramae-ro, Dongjak-gu, Seoul, 156-707, Republic of Korea
| | - Jee-Eun Chang
- Department of Anesthesiology and Pain Medicine, SMG-SNU Boramae Medical Center, Boramae-ro, Dongjak-gu, Seoul, 156-707, Republic of Korea
| | - Dae Kon Kim
- Department of Emergency Medicine, Seoul National University Bundang Hospital, Gyeonggido, Republic of Korea
| | - Dongwook Won
- Department of Anesthesiology and Pain Medicine, SMG-SNU Boramae Medical Center, Boramae-ro, Dongjak-gu, Seoul, 156-707, Republic of Korea
| | - Jung-Man Lee
- Department of Anesthesiology and Pain Medicine, SMG-SNU Boramae Medical Center, Boramae-ro, Dongjak-gu, Seoul, 156-707, Republic of Korea
| | - Tae Kyong Kim
- Department of Anesthesiology and Pain Medicine, SMG-SNU Boramae Medical Center, Boramae-ro, Dongjak-gu, Seoul, 156-707, Republic of Korea
- Department of Anesthesiology & Pain Medicine, College of Medicine, Seoul National University, Seoul, Republic of Korea
| | - Seong-Won Min
- Department of Anesthesiology and Pain Medicine, SMG-SNU Boramae Medical Center, Boramae-ro, Dongjak-gu, Seoul, 156-707, Republic of Korea
- Department of Anesthesiology & Pain Medicine, College of Medicine, Seoul National University, Seoul, Republic of Korea
| | - Haeun Lim
- Department of Anesthesiology & Pain Medicine, College of Medicine, Seoul National University, Seoul, Republic of Korea
| | - Seoyoung Ma
- Department of Anesthesiology and Pain Medicine, SMG-SNU Boramae Medical Center, Boramae-ro, Dongjak-gu, Seoul, 156-707, Republic of Korea
| | - Jin-Young Hwang
- Department of Anesthesiology and Pain Medicine, SMG-SNU Boramae Medical Center, Boramae-ro, Dongjak-gu, Seoul, 156-707, Republic of Korea.
- Department of Anesthesiology & Pain Medicine, College of Medicine, Seoul National University, Seoul, Republic of Korea.
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Liu Z, Zhen F, Zhang Q, Qian X, Li W, Sun Y, Zhang L, Qu B. Nanoporous biochar with high specific surface area based on rice straw digestion residue for efficient adsorption of mercury ion from water. Bioresour Technol 2022; 359:127471. [PMID: 35710052 DOI: 10.1016/j.biortech.2022.127471] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 06/09/2022] [Accepted: 06/10/2022] [Indexed: 06/15/2023]
Abstract
The unreasonable disposal of residue after anaerobic digestion seriously affects the stability of the ecosystem, and the preparation of adsorbent is an effective way to value-added utilization of the residue. In this study, a high adsorption capacity (209.65 mg/g) biochar-based adsorbent was prepared by hydrothermal carbonization and alkali modification using rice straw biogas residue. The lignocellulosic structure was destroyed after anaerobic digestion, forming porous biochar with larger specific surface area (2372.51 m2/g) and richer pore structure. Besides, the mercury ion complexed on the adsorbent surface in monovalent and divalent forms and possessed favorable selectivity in the presence of other examples of interference. The adsorption process is consistent with pseudo second-order kinetics and the Langmuir isotherm, indicating a predominance of chemisorption. This study provides a methodology for use of rice straw biogas residue and treatment of mercury containing wastewater, which offers a fresh direction for resource utilization of biogas residue.
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Affiliation(s)
- Zhiyuan Liu
- College of Engineering, Northeast Agricultural University, Harbin 150030, China
| | - Feng Zhen
- Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China
| | - Quanguo Zhang
- Institute of Agricultural Engineering, Huanghe Science and Technology University, Zhengzhou 450006, China; Key Laboratory of New Materials and Facilities for Rural Renewable Energy, MOA of China, Henan Agricultural University, Zhengzhou 450002, China
| | - Xin Qian
- College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Wenzhe Li
- Institute of Agricultural Engineering, Huanghe Science and Technology University, Zhengzhou 450006, China
| | - Yong Sun
- College of Engineering, Northeast Agricultural University, Harbin 150030, China
| | - Lingling Zhang
- College of Engineering, Northeast Agricultural University, Harbin 150030, China; College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Bin Qu
- College of Engineering, Northeast Agricultural University, Harbin 150030, China; College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China.
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Yu ZX, Wang CH, Nong XH, Chen DL, Xu ML, Li XB, Liu YY, Chen GY. Callnudoids A-H: Highly modified labdane diterpenoids with anti-inflammation from the leaves of Callicarpa nudiflora. Phytochemistry 2022; 201:113253. [PMID: 35644486 DOI: 10.1016/j.phytochem.2022.113253] [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] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 05/06/2022] [Accepted: 05/19/2022] [Indexed: 06/15/2023]
Abstract
Eight undescribed 3,4-seco-norlabdane diterpenoids, callnudoids A-H, as well as two known analogues were isolated from the leaves of Callicarpa nudiflora. The structures were elucidated using spectroscopic methods and were compared with published NMR spectroscopic data. The absolute configurations of callnudoids D and E were defined based on ECD data or single-crystal X-ray diffraction. Callnudoids A-C are the highly modified labdane diterpenoids featuring rearranged 3,4-seco-ring and the formation of an undescribed cyclohexene moiety via C2-C18 cyclization. They only contain 15 carbon atoms on the carbon skeleton. Callnudoid D represents the unusual 3,4-seco-15,16-norlabdane diterpenoid with C13-C17 cyclization, and a putative biosynthesis pathway for callnudoids A, B, D, and E was proposed. All compounds were evaluated for their anti-inflammatory activities by inhibiting the lipopolysaccharide (LPS)-induced nitric oxide (NO) released in RAW264.7 cells; callnudoids A-E and H, and methylcallicarpate obviously inhibited pro-inflammatory cytokines TNF-α and IL-1β in a dose-dependent manner.
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Affiliation(s)
- Zhang-Xin Yu
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education & Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, 571158, China
| | - Can-Hong Wang
- Hainan Provincial Key Laboratory of Resources Conservation and Development of Southern Medicine, Hainan Branch of the Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Haikou, 570311, China
| | - Xu-Hua Nong
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education & Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, 571158, China
| | - De-Li Chen
- Hainan Provincial Key Laboratory of Resources Conservation and Development of Southern Medicine, Hainan Branch of the Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Haikou, 570311, China
| | - Meng-Ling Xu
- Hainan Provincial Key Laboratory of Resources Conservation and Development of Southern Medicine, Hainan Branch of the Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Haikou, 570311, China
| | - Xiao-Bao Li
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education & Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, 571158, China
| | - Yang-Yang Liu
- Hainan Provincial Key Laboratory of Resources Conservation and Development of Southern Medicine, Hainan Branch of the Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Haikou, 570311, China.
| | - Guang-Ying Chen
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education & Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, 571158, China.
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Han L, Shi G, Ruan J. A modified cup-type uterine manipulator. Asian J Surg 2022; 45:1933-1934. [PMID: 35440386 DOI: 10.1016/j.asjsur.2022.04.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 04/07/2022] [Indexed: 11/19/2022] Open
Affiliation(s)
- Ling Han
- Department of Obstetrics and Gynecology, West China Second Hospital, Sichuan University, China; Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, China
| | - Gang Shi
- Department of Obstetrics and Gynecology, West China Second Hospital, Sichuan University, China; Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, China
| | - Jiaying Ruan
- Department of Obstetrics and Gynecology, West China Second Hospital, Sichuan University, China; Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, China.
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Mohamed AMG, Mohamed MMA, Farrag AEHA, Ali ASRM. Novel elimination method of iron and manganese ions from drinkable groundwater in Assiut, Egypt, by using sodalite-bearing modified illite. Environ Sci Pollut Res Int 2022; 29:26850-26859. [PMID: 34860344 DOI: 10.1007/s11356-021-17765-z] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 11/22/2021] [Indexed: 06/13/2023]
Abstract
The world's interest now is focusing on the applying of the principles of sustainable development in managing natural resources, especially in managing freshwater, which is one of the greatest challenges the whole world face. In this paper, the illite ore was tested to remove the excess of iron and manganese from groundwater which is used for drinking and household purposes in Assiut. To accomplish this goal, the study was based on two directions. The first direction focused on achieving a physicochemical analytical survey for all the groundwater produced by wells in Assiut governorate, and its averages are plotted on GIS maps, to illustrate the difference in the concentrations of iron and manganese. However, the second direction focused on the preparation and examination of the modified illite ore, and it was characterized by using XRD, SEM, FT-IR, and XRF techniques. The results showed that the sodalite-bearing modified illite (SBMI) was able to remove the excess of iron and manganese from raw groundwater with the efficiency of 99% and 97%, respectively.
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Affiliation(s)
| | | | - Abd El Hay Ali Farrag
- Geology Department, Faculty of Science, Assiut University, Box. No. 71516, Assiut, Egypt
| | - Al-Shimaa Roshdy Mohamed Ali
- Assiut and New Valley Company for Water and Wastewater, Assiut, Egypt
- Chemistry Department, Faculty of Science, New Valley University, Box. No. 72511, El-Kharja, Egypt
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25
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Gao M, Zhu Z, Liu M, Chen J, Chen H. Predictive accuracy of the modified SOFA score, SIRS criteria, and qSOFA score for uroseptic shock after mini-percutaneous nephrolithotomy. Urolithiasis 2022; 50:455-464. [PMID: 35201365 DOI: 10.1007/s00240-022-01318-1] [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] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Accepted: 02/11/2022] [Indexed: 11/30/2022]
Abstract
The purpose of this study was to determine the plausibility and utility of utilizing a modified SOFA (mSOFA) score for predicting uroseptic shock after mini-percutaneous nephrolithotomy. A cohort of 707 patients who received mini-PCNL from August 2019 to December 2020 was retrospectively evaluated. The area under receiver operating characteristic curve (AUROC) was used to compare the predictive value of septic shock between mSOFA, systemic inflammatory response syndrome (SIRS) and qSOFA. Among 707 patients, 24 patients experienced uroseptic shock after mini-PCNL. Compared with the no uroseptic shock group, the proportion of females and rates of preoperative urine culture, renal pelvis urine culture and stone culture positivity were higher in the uroseptic shock group, with high levels of preoperative C-reactive protein (CRP) and postoperative procalcitonin (PCT). In the uroseptic shock group, the mSOFA score increased by two or more points in 83.3%; 79.2% had at least two SIRS criteria, and 100% had a qSOFA score of at least one point. mSOFA score (AUROC = 0.866, 95% CI: 0.779-0.954) exhibited greater discrimination for uroseptic shock after PCNL than SIRS (AUROC = 0.838, 95% CI: 0.742-0.943) and qSOFA (AUROC = 0.851, 95% CI: 0.811-0.892). In conclusion, the predictive value of the modified SOFA score for uroseptic shock after mini-PCNL was greater than that of the qSOFA score or SIRS.
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Affiliation(s)
- Meng Gao
- Department of Urology, Xiangya Hospital, Central South University, Changsha, 410008, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Zewu Zhu
- Department of Urology, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Minghui Liu
- Department of Urology, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Jinbo Chen
- Department of Urology, Xiangya Hospital, Central South University, Changsha, 410008, China. .,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.
| | - Hequn Chen
- Department of Urology, Xiangya Hospital, Central South University, Changsha, 410008, China. .,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.
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26
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Gupta R, Mathur P, Bhandari A. Muscle-Sparing Skin Crease Incision Posterolateral Thoracotomies in Pediatric Patients: Our Experience. J Indian Assoc Pediatr Surg 2022; 27:309-316. [PMID: 35733591 PMCID: PMC9208698 DOI: 10.4103/jiaps.jiaps_43_21] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 06/04/2021] [Accepted: 10/29/2021] [Indexed: 11/18/2022] Open
Abstract
Context Standard posterolateral muscle cutting thoracotomies in pediatric patients are associated with morbidities in terms of poor motor and esthetic outcomes and also more postoperative analgesia requirement, when compared with muscle-sparing technique. Aims The aim of this study is to evaluate the outcomes of muscle-sparing skin crease incision posterolateral thoracotomies in pediatric patients in terms of abovementioned variables. Settings and Design This prospective observational study was conducted over a period from January 2016 to July 2020 in a tertiary care teaching institute. Materials and Methods All patients of stage 3 empyema and pulmonary hydatidosis were included in the study. Results Thirty-nine patients fulfilled the inclusion criteria. There were 38 children with organized (Stage 3) empyema and one patient with bilateral lung hydatid. There were 24 males and 15 females; age ranging from 6 months to 15 years. Right thoracotomy was performed in 28, left in 10, and bilateral in one patient with lung hydatid. Adequate exposure was achieved in all cases. Decortication with complete excision of thickened parietal pleura with stripping of the visceral peel and release of the entrapped lung was performed in all 38 patients. In 5 children along with decortication, repair of bronchopleural fistula due to necrotizing pneumonia was performed. Bilateral thoracotomies with pericystectomies were performed with a gap of 3 weeks for lung hydatid. Lung expansion assessment at 3 months was satisfactory. Ultrasound assessment of the latissimus dorsi muscle and serratus anterior muscle at 4 weeks revealed complete integrity in all the cases. Most of the patients achieved satisfactory motor and esthetic outcomes. Conclusions Muscle-sparing skin crease incision posterolateral thoracotomy is a viable alternative to standard posterolateral muscle cutting thoracotomy, especially in a resource-challenged setting. The technique is easy to perform with satisfactory exposure.
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Affiliation(s)
- Rahul Gupta
- Department of Paediatric Surgery, SMS Medical College, Jaipur, Rajasthan, India,Address for correspondence: Dr. Rahul Gupta, Associate Professor, Department of Paediatric Surgery, SMS Medical College, Jaipur, Rajasthan, India. E-mail:
| | - Praveen Mathur
- Department of Paediatric Surgery, SMS Medical College, Jaipur, Rajasthan, India
| | - Anu Bhandari
- Department of Radiodiagnosis, SMS Medical College, Jaipur, Rajasthan, India
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Shibata T, Kawaharada N, Yasuhara K, Naraoka S. Physician- modified stent graft with inner branches for treating ruptured thoracoabdominal aortic aneurysm. Eur J Cardiothorac Surg 2021; 61:952-954. [PMID: 34897396 DOI: 10.1093/ejcts/ezab543] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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: 09/15/2021] [Revised: 11/04/2021] [Accepted: 11/21/2021] [Indexed: 11/13/2022] Open
Abstract
Thoracoabdominal aortic aneurysm (TAAA) repair remains challenging in patients with high surgical risk. We report a case of TAAA in an 84-year-old woman with type Ib endoleak after thoracic endovascular aortic repair with coeliac artery coverage due to impending ruptured TAAA. A stent graft was assembled to create 3 fenestrations and sew 3 inner grafts for the superior mesenteric artery (SMA) and bilateral renal arteries. This stent graft system was inserted into the thoraco-abdominal aorta and partially unsheathed until the first inner branch endograft fully expanded. The wire was used to catheterize the stent graft, inner branch, and SMA from the left upper limb, and a bridge stent was deployed from the inner branch to the SMA. A similar procedure was performed for bilateral renal arteries. The stent graft system was fully unsheathed. Postoperative computed tomography angiography revealed no endoleak and good flow of the visceral artery. The use of the physician-modified inner branched endograft system described is feasible and can make TAAA endovascular repair simpler and safer.
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Affiliation(s)
- Tsuyoshi Shibata
- Department of Cardiovascular Surgery, Sapporo Medical University Hospital, Sapporo, Japan
| | - Nobuyoshi Kawaharada
- Department of Cardiovascular Surgery, Sapporo Medical University Hospital, Sapporo, Japan
| | - Kiyomitsu Yasuhara
- Department of Cardiovascular Surgery, Isesaki Municipal Hospital, Isesaki, Japan
| | - Syuichi Naraoka
- Department of Cardiovascular Surgery, Sapporo Medical University Hospital, Sapporo, Japan
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Liu Y, Yi S, Ye T, Leng Y, Alomgir Hossen M, Sameen DE, Dai J, Li S, Qin W. Effects of ultrasonic treatment and homogenization on physicochemical properties of okara dietary fibers for 3D printing cookies. Ultrason Sonochem 2021; 77:105693. [PMID: 34343823 PMCID: PMC8348173 DOI: 10.1016/j.ultsonch.2021.105693] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 06/30/2021] [Accepted: 07/22/2021] [Indexed: 06/13/2023]
Abstract
This paper presents a means to modify the attributes of okara fiber using ultrasonic and high-speed shearing treatment. The results of scanning electron microscopy and differential scanning calorimetry reveal that the modified okara fiber demonstrates small particle size and high thermal stability. When the 500 W-15,000 rpm combination is used for okara-fiber treatment, the latter exhibits excellent swelling (SC) as well as water- and oil-holding capacities. When 6% of modified okara fiber is added to the dough, the resulting cookies demonstrate the best printing performance. Subsequently, the printing parameters can be optimized to obtain the best filling rate of 30%. The corresponding nozzle diameter and printing speed equal 0.8 mm and 50 mm/s, respectively. Finally, the 3D-printed cookies containing okara fiber are compared against those commonly available in the market via sensory evaluation. As observed, the 3D-printed cookies were more acceptable to people. Therefore, the addition of the okara dietary fiber to the cookie dough not only improves the okara utilization rate but also increases the dietary-fiber content in the cookie, thereby alleviating the occurrence of obesity in modern society.
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Affiliation(s)
- Yaowen Liu
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China.
| | - Shengkui Yi
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Tingting Ye
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Ying Leng
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Md Alomgir Hossen
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Dur E Sameen
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Jianwu Dai
- College of Mechanical and Electrical Engineering, Sichuan Agricultural University, Yaan 625014, China
| | - Suqing Li
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Wen Qin
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China.
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Gupta H, Kaur N, Sharma Y, Lim ST. Modified double guiding catheter 'Ping Pong' technique to treat large coronary perforation: a case report. Eur Heart J Case Rep 2021; 5:ytab173. [PMID: 34124571 PMCID: PMC8189299 DOI: 10.1093/ehjcr/ytab173] [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] [Figures] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Revised: 07/15/2020] [Accepted: 04/16/2021] [Indexed: 11/25/2022]
Abstract
Background Despite improvement in available tools and techniques, procedural complications like coronary perforation can occur during percutaneous coronary intervention (PCI). Severe proximal coronary perforations are usually caused by balloon and vessel size mismatch but can also occur with appropriately sized balloons or stents if the coronary vessel has very eccentric calcification or if there is negative remodelling of the vessel. Case summary A 74-year-old man with a history of type II diabetes mellitus, hypertension, and chronic coronary syndrome (previous PCI 10 years before) presented with unstable angina of 2 weeks of duration. Coronary angiography revealed a patent stent in left anterior descending artery, significant disease in left circumflex artery and diffuse calcified lesion in dominant right coronary artery (RCA). During angioplasty of RCA, the patient developed severe Ellis grade III perforation, which was successfully managed with modified double guiding catheter ‘Ping Pong’ technique. In this technique, the already engaged 7 French (F) Amplatz Left 1 guide catheter was used to deliver the bulky covered stent in highly tortuous and calcified RCA while a second 6F guide catheter (Judkin Right) introduced through contralateral femoral access was used for introducing the balloon, which initially sealed the perforation and subsequently acted as a distal anchor to provide strong support to deliver the covered stent. Conclusion In a case of severe coronary perforation, modified Ping Pong technique using a small-sized second guide catheter complimentary to the first guide catheter, can be used to deploy bulky covered stent.
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Affiliation(s)
- Himanshu Gupta
- Advance Cardiac Center, Sector 12, Post Graduate Institute of Medical Education & Research, Chandigarh 160012, Indi a
| | - Navjyot Kaur
- Advance Cardiac Center, Sector 12, Post Graduate Institute of Medical Education & Research, Chandigarh 160012, Indi a
| | - Yashpaul Sharma
- Advance Cardiac Center, Sector 12, Post Graduate Institute of Medical Education & Research, Chandigarh 160012, Indi a
| | - Soo Teik Lim
- 5 Hospital Drive, Level 2 Pharmacy, National Heart Centre Singapore 169609
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Zhong Q, Chen QY, Parisi A, Ma YB, Lin GT, Desiderio J, Yan S, Xie JW, Wang JB, Hou JF, Lin JX, Lu J, Cao LL, Lin M, Tu RH, Huang ZN, Lin JL, Liu ZY, Que SJ, Li P, Zheng CH, Huang CM. Modified ypTNM Staging Classification for Gastric Cancer after Neoadjuvant Therapy: A Multi-Institutional Study. Oncologist 2020; 26:e99-e110. [PMID: 32864840 DOI: 10.1634/theoncologist.2020-0022] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [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: 01/11/2020] [Accepted: 07/23/2020] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND The benefits of neoadjuvant therapy for patients with locally advanced gastric cancer (GC) are increasingly recognized. The 8th edition of the American Joint Committee on Cancer (AJCC) Staging Manual first proposed ypTNM staging, but its accuracy is controversial. This study aims to develop a modified ypTNM staging. PATIENTS AND METHODS Clinicopathological data of 1,791 patients who underwent curative-intent gastrectomy after neoadjuvant therapy in the Surveillance, Epidemiology, and End Results database, as the development cohort, were retrospectively analyzed. Modified ypTNM staging was established based on overall survival (OS). We compared the prognostic performance of the AJCC 8th edition ypTNM staging and the modified staging for patients after neoadjuvant therapy. RESULTS In the development cohort, the 5-year OS for AJCC stages I, II, and III was 58.8%, 39.1%, and 21.6%, respectively, compared with 69.9%, 54.4%, 34.4%, 24.1%, and 13.6% for modified ypTNM stages IA, IB, II, IIIA, and IIIB. The modified staging had better discriminatory ability (C-index: 0.620 vs. 0.589, p < .001), predictive homogeneity (likelihood ratio chi-square: 140.71 vs. 218.66, p < .001), predictive accuracy (mean difference in Bayesian information criterion: 64.94; net reclassification index: 35.54%; integrated discrimination improvement index: 0.032; all p < .001), and model stability (time-dependent receiver operating characteristics curves) over AJCC. Decision curve analysis showed that the modified staging achieved a better net benefit than AJCC. In external validation (n = 266), the modified ypTNM staging had superior prognostic predictive power (all p < .05). CONCLUSION We have developed and validated a modified ypTNM staging through multicenter data that is superior to the AJCC 8th edition ypTNM staging, allowing more accurate assessment of the prognosis of patients with GC after neoadjuvant therapy. IMPLICATIONS FOR PRACTICE The 8th edition of the American Joint Committee on Cancer (AJCC) Staging Manual first proposed ypTNM staging, but its accuracy is controversial. Based on multi-institutional data, this study developed a modified ypTNM staging, which is superior to the AJCC 8th edition ypTNM staging, allowing more accurate assessment of the prognosis of patients with gastric cancer after neoadjuvant therapy.
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Affiliation(s)
- Qing Zhong
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, People's Republic of China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, People's Republic of China
| | - Qi-Yue Chen
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, People's Republic of China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, People's Republic of China
| | - Amilcare Parisi
- Department of Digestive Surgery, St. Mary's Hospital, University of Perugia, Terni, Italy
| | - Yu-Bin Ma
- Department of Gastrointestinal Surgery, Qinghai University Affiliated Hospital, Xining, People's Republic of China
| | - Guang-Tan Lin
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, People's Republic of China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, People's Republic of China
| | - Jacopo Desiderio
- Department of Digestive Surgery, St. Mary's Hospital, University of Perugia, Terni, Italy
| | - Su Yan
- Department of Gastrointestinal Surgery, Qinghai University Affiliated Hospital, Xining, People's Republic of China
| | - Jian-Wei Xie
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, People's Republic of China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, People's Republic of China
| | - Jia-Bin Wang
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, People's Republic of China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, People's Republic of China
| | - Jun-Fang Hou
- Department of Gastrointestinal Surgery, Qinghai University Affiliated Hospital, Xining, People's Republic of China
| | - Jian-Xian Lin
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, People's Republic of China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, People's Republic of China
| | - Jun Lu
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, People's Republic of China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, People's Republic of China
| | - Long-Long Cao
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, People's Republic of China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, People's Republic of China
| | - Mi Lin
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, People's Republic of China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, People's Republic of China
| | - Ru-Hong Tu
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, People's Republic of China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, People's Republic of China
| | - Ze-Ning Huang
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, People's Republic of China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, People's Republic of China
| | - Ju-Li Lin
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, People's Republic of China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, People's Republic of China
| | - Zhi-Yu Liu
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, People's Republic of China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, People's Republic of China
| | - Si-Jin Que
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, People's Republic of China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, People's Republic of China
| | - Ping Li
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, People's Republic of China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, People's Republic of China
| | - Chao-Hui Zheng
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, People's Republic of China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, People's Republic of China
| | - Chang-Ming Huang
- Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, People's Republic of China
- Key Laboratory of Ministry of Education of Gastrointestinal Cancer, Fujian Medical University, Fuzhou, People's Republic of China
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Qin H, Ma N, Du X, Kong J, Wang H, Xu L, Hu B. Modified homodigital dorsolateral proximal phalangeal island flap for the reconstruction of finger-pulp defects. J Plast Reconstr Aesthet Surg 2020; 73:1976-1981. [PMID: 32883614 DOI: 10.1016/j.bjps.2020.08.061] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 06/01/2020] [Accepted: 08/01/2020] [Indexed: 10/23/2022]
Abstract
BACKGROUND Reconstruction of finger-pulp defects remains a challenge, although the treatment varies widely. The homodigital island flap based on dorsal branches of the proper digital artery (PDA) is one of the most popular methods for repair of finger-pulp defects. The aim of this study was to introduce our experiences of using modified dorsolateral proximal phalangeal island flaps for reconstruction of finger-pulp defects. METHODS From July 2016 to November 2018, 16 modified dorsolateral proximal phalangeal (MDPP) island flaps were performed for finger-pulp reconstruction. The comparison group included 11 patients treated with homodigital dorsal perforator (HDP) flaps. Flap survivals were assessed and active range of motion (ROM) of the joints, time to return to work, static 2-point discrimination and hand performance were analysed at final follow-up. RESULTS Both the Group MDPP and the Group HDP had similar satisfactory flap survival. There were no differences in static 2-point discrimination, time to return to work and the ROM of the injured fingers. However, the Michigan Hand Outcomes Questionnaire (MHQ) summary scores of the satisfaction and aesthetics were much better in Group MDPP. CONCLUSIONS The modified homodigital dorsolateral proximal phalangeal island flap is a reliable alternative for finger-pulp reconstruction with good functional and cosmetic outcome.
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Affiliation(s)
- Hongjiu Qin
- Department of Hand and Foot Surgery, Yijishan Hospital of Wannan Medical College, No. 2 Zheshan Road, Wuhu, Anhui, China
| | - Nengfeng Ma
- Department of Hand and Foot Surgery, Yijishan Hospital of Wannan Medical College, No. 2 Zheshan Road, Wuhu, Anhui, China
| | - Xing Du
- Department of Hand and Foot Surgery, Yijishan Hospital of Wannan Medical College, No. 2 Zheshan Road, Wuhu, Anhui, China
| | - Jian Kong
- Department of Orthopedics, Nantong Maternity and Child Health Care Hospital, No. 399 Shiji Road, Nantong, Jiangsu, China
| | - Haisheng Wang
- Department of Hand and Foot Surgery, Yijishan Hospital of Wannan Medical College, No. 2 Zheshan Road, Wuhu, Anhui, China
| | - Lei Xu
- Department of Hand and Foot Surgery, Yijishan Hospital of Wannan Medical College, No. 2 Zheshan Road, Wuhu, Anhui, China
| | - Bin Hu
- Department of Hand and Foot Surgery, Yijishan Hospital of Wannan Medical College, No. 2 Zheshan Road, Wuhu, Anhui, China.
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Yu Q, Guan B, Yu J, Lu Y, Chen C, Yu S. Reliability, internal consistency, and concurrent validity of a modified version of the dynamic gait index in people with vestibular disorders. Gait Posture 2020; 81:268-272. [PMID: 32846358 DOI: 10.1016/j.gaitpost.2020.07.066] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [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: 02/13/2020] [Revised: 07/14/2020] [Accepted: 07/21/2020] [Indexed: 02/02/2023]
Abstract
BACKGROUND People with vestibular disorders often have abnormalities in gait and balance. The Dynamic Gait Index (DGI) is a relatively effective clinical gait measure that has been validated for use in patients with vestibular disorders. The modified version of the DGI (M-DGI) is based on the original DGI. RESEARCH QUESTION The objective of this study was to refine and test the clinical application of the M-DGI, and to investigate whether it is an effective indicator of dynamic gait in patients with vestibular disorders. METHODS A reliability and validity study. All raters reviewed the instructions and scoring criteria for each M-DGI item prior to the initial test. The raters simultaneously scored two M-DGI tasks for the 75 subjects, and the two tasks were completed with an interval of two hours in-between. Reliability of total M-DGI scores was assessed using intraclass correlation coefficients (2,1). Internal consistency of the M-DGI was evaluated using Cronbach's alpha. Concurrent validity of the M-DGI with Dizziness Handicap Inventory (DHI) and Timed "Up & Go" Test (TUG) was assessed using Spearman's rank order correlation coefficient. RESULTS AND SIGNIFICANCE Interrater and intrarater reliability of the total M-DGI scores were reflected by ICCs of 0.99 and 0.97. Internal consistency of the M-DGI score was 0.9975. Spearman's rank order correlation coefficient of the M-DGI score with the Dizziness Handicap Inventory (DHI) and the Timed "Up & Go" Test (TUG) was 0.72 and 0.65, respectively.The M-DGI demonstrates acceptable reliability, internal consistency, and concurrent validity for use as a clinical gait measurement for patients with vestibular disorders.
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Affiliation(s)
- Qianru Yu
- Department of Otolaryngology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, 324 Jingwuweiqi Road, Jinan 250021, Shandong, China
| | - Benling Guan
- Department of Otolaryngology, Shandong University of Tradition Chinese Medicine, 16369 Jingshi Road, Jinan 250014, Shandong, China
| | - Jie Yu
- Department of Otolaryngology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, 324 Jingwuweiqi Road, Jinan 250021, Shandong, China
| | - Yu Lu
- Department of Otolaryngology, Shandong University of Tradition Chinese Medicine, 16369 Jingshi Road, Jinan 250014, Shandong, China
| | - Chengfang Chen
- Department of Otolaryngology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, 324 Jingwuweiqi Road, Jinan 250021, Shandong, China; Department of Otolaryngology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 324 Jingwuweiqi Road, Jinan 250021, Shandong, China
| | - Shudong Yu
- Department of Otolaryngology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, 324 Jingwuweiqi Road, Jinan 250021, Shandong, China; Department of Otolaryngology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 324 Jingwuweiqi Road, Jinan 250021, Shandong, China.
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Wang JJ, Ni JD, Song DY, Ding ML, Huang J, He GX, Li WZ. Modified pararectus approach for treatment of atypical acetabular anterior wall fracture: A case report. World J Clin Cases 2020; 8:2634-2640. [PMID: 32607343 PMCID: PMC7322424 DOI: 10.12998/wjcc.v8.i12.2634] [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: 03/07/2020] [Revised: 05/14/2020] [Accepted: 05/26/2020] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Acetabular anterior wall fracture with preservation of the pelvic brim is extremely rare. It is different from anterior wall fracture classified by Judet and Letournel. Few studies have reported cases treated by open reduction and internal fixation via the Smith-Petersen or iliofemoral approach.
CASE SUMMARY We report a 48-year-old Chinese woman who had difficulty moving her right hip from abduction and external rotation after falling from 3 m. Pelvic radiograph and three-dimensional reconstruction of computed tomography revealed acetabular anterior wall fractures combined with fractures of the anterior inferior iliac spine and the iliac wing but not involving the pelvic brim. First, the patient underwent interim management by closed reduction of the hip dislocation and skin traction for 6 d. Then, we used a modified pararectus approach for treatment to fix the acetabular fractures with a reconstruction plate and nonlocking T-shape plate. At the 9-mo follow-up, the patient could walk painlessly without necrosis of the femoral head or heterotopic ossification, and the X-rays and computed tomography scan reconstructions showed good bone union.
CONCLUSION The modified pararectus approach described here can facilitate exposure, reduction, and osteosynthesis for atypical acetabular fracture with less invasiveness.
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Affiliation(s)
- Jun-Jie Wang
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha 410011, Hunan Province, China
| | - Jiang-Dong Ni
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha 410011, Hunan Province, China
| | - De-Ye Song
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha 410011, Hunan Province, China
| | - Mu-Liang Ding
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha 410011, Hunan Province, China
| | - Jun Huang
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha 410011, Hunan Province, China
| | - Guang-Xu He
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha 410011, Hunan Province, China
| | - Wen-Zhao Li
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha 410011, Hunan Province, China
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Zhang D, Zhang M, Ding F, Liu W, Zhang L, Cui L. Efficient removal of formaldehyde by polyethyleneimine modified activated carbon in a fixed bed. Environ Sci Pollut Res Int 2020; 27:18109-18116. [PMID: 32172419 DOI: 10.1007/s11356-020-08019-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Accepted: 02/06/2020] [Indexed: 06/10/2023]
Abstract
Polyethyleneimine modified activated carbon (PEI-AC) was prepared through a treatment of immersion, and used for the adsorption of formaldehyde. The adsorption capacity of formaldehyde by unmodified AC is 190.1 mg g-1, and the adsorption capacity of formaldehyde can reach to 317.6 mg g-1 after 10 g L-1 of PEI modified, being about 1.67 times than unmodified activated carbon (AC: 191.2 mg g-1). And the 10 g L-1 of PEI modified AC (PAC-30) has the highest adsorption capacity of formaldehyde, reached to 650 mg g-1, with an increasing magnitude of 240% in comparison with that without modified AC. This is mainly due to changes in the pore structure and surface functional groups after modification. However, as the PEI concentration increases, the adsorption performance is inhibited. Through kinetic studies, it was found that all adsorption curves follow the second-order kinetics, and the breakthrough curves follow the Boltzmann model, and the adsorption process can also be described by the intraparticle diffusion model.
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Affiliation(s)
- Dongdong Zhang
- College of Resources and Environmental Science, South-central University for Nationalities, Wuhan, 430072, China
| | - Mengxi Zhang
- College of Resources and Environmental Science, South-central University for Nationalities, Wuhan, 430072, China
| | - Feng Ding
- Hubei Academy of Environmental Sciences, Wuhan, 430074, China
| | - Wei Liu
- Hubei Academy of Environmental Sciences, Wuhan, 430074, China
| | - Long Zhang
- School of Environmental Science & Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Longzhe Cui
- College of Resources and Environmental Science, South-central University for Nationalities, Wuhan, 430072, China.
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Yongqi L, Dehua Z, Hongzi W, Ke Z, Rui Y, Zhou F, Shaobo W, Yi L. Minimally invasive versus conventional fixation of tracer in robot-assisted pedicle screw insertion surgery: a randomized control trial. BMC Musculoskelet Disord 2020; 21:208. [PMID: 32252725 PMCID: PMC7137259 DOI: 10.1186/s12891-020-03239-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 03/25/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND This study evaluated the minimal invasiveness, safety, and accuracy of robot-assisted pedicle screw placement procedure using a modified tracer fixation device. METHODS Patients were randomly assigned to conventional fixation group (25 patients) and modified fixation group (27 patients). RESULTS No baseline statistical difference was observed between the groups (P > 0.05). The length of unnecessary incision, amount of bleeding, and fixation duration for tracer fixation respectively were 6.08 ± 1.02 mm, 1.46 ± 0.84 ml, and 1.56 ± 0.32 min in the modified fixation group and 40.28 ± 8.52 mm, 12.02 ± 2.24 ml, and 5.08 ± 1.06 min in the conventional group. The difference between both groups was significant (P < 0.05). However, no significant difference between the two groups was observed in terms of the accuracy of pedicle screw placement (P > 0.05). CONCLUSIONS The modified minimally invasive procedure for tracer fixation results in minimal trauma and is simple, reliable, and highly safe. Additionally, the procedure does not compromise the accuracy of pedicle screw placement. Thus, it has great clinical applicable value. TRIAL REGISTRATION Chinese Clinical Trial Registry: Registration number, ChiCTR1800016680; Registration Date, 15/06/2018.
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Affiliation(s)
- Li Yongqi
- Department of Orthopedics, The Karamay Central Hospital, Karamay, 834000, China
| | - Zhang Dehua
- Department of Orthopedics, The Karamay Central Hospital, Karamay, 834000, China
| | - Wu Hongzi
- Department of Orthopedics, The Karamay Central Hospital, Karamay, 834000, China
| | - Zhang Ke
- Department of Orthopedics, The Karamay Central Hospital, Karamay, 834000, China
| | - Yang Rui
- Department of Orthopedics, The Karamay Central Hospital, Karamay, 834000, China
| | - Fang Zhou
- Department of Orthopedics, The Karamay Central Hospital, Karamay, 834000, China
| | - Wang Shaobo
- Department of Orthopedics, The Karamay Central Hospital, Karamay, 834000, China
| | - Liao Yi
- Department of Orthopedics, The Karamay Central Hospital, Karamay, 834000, China.
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Tondas AE, Mulawarman R, Trifitriana M, Pranata R, Abisha SE, Toruan MPL. A Systematic Review of Jailed Balloon Technique for Coronary Bifurcation Lesion: Conventional-Jailed Balloon Technique vs Modified-Jailed Balloon Technique. Cardiovasc Revasc Med 2020; 21:1193-9. [PMID: 32169406 DOI: 10.1016/j.carrev.2020.03.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Revised: 02/24/2020] [Accepted: 03/02/2020] [Indexed: 01/01/2023]
Abstract
BACKGROUND In this systematic review, we aim to evaluate the latest evidence on the efficacy and safety of conventional jailed balloon technique and modified jailed balloon technique for bifurcation lesion, and also whether the former or latter is more effective for preventing side branch occlusion during main branch stenting in bifurcation lesions. METHODS We performed comprehensive search on studies assessing the efficacy and safety of conventional jailed balloon and modified jailed balloon technique for bifurcation lesion from several electronic databases. RESULTS There were 908 patients from six studies comprising of 615 in conventional jailed balloon technique group and 293 in modified jailed balloon technique group. Side branch loss was lower in modified jailed balloon technique group, however, the proportion of lesions with TIMI flow <3 in the final percutaneous coronary intervention result was somewhat higher in the modified jailed balloon technique group. The efficacy issue regarding side branch dissection was reported as high as 3.4%, especially at proximal stent edge in conventional jailed balloon technique group, but not quantitatively described in the modified jailed balloon technique group. Zero percent major adverse cardiovascular events at 9-12 months follow up was demonstrated in modified jailed balloon technique group, and 1-5% in the conventional jailed balloon group at a longer observation period up to 2.7 years. CONCLUSION Our study showed that modified jailed balloon technique is potentially better compared to conventional jailed balloon in terms of side branch loss, dissection, and major adverse cardiovascular events. Further controlled studies are warranted for definite conclusion.
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Yan F, Jiang Y, Sun X, Ma T, Chen L, Chen L. 4-aminoantipyrine modified carbon dots and their analytical applications through response surface methodology. Spectrochim Acta A Mol Biomol Spectrosc 2020; 227:117543. [PMID: 31685428 DOI: 10.1016/j.saa.2019.117543] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 09/12/2019] [Accepted: 09/17/2019] [Indexed: 06/10/2023]
Abstract
A sensitive and selective nanoprobe for detection of hypochlorite (OCl-) based on 4-aminoantipyrine (AAP) modified carbon dots (CDs-AAP) has been prepared. The CDs-AAP exhibit an emission peak at 484 nm when the excitation wavelength is 370 nm, accompanying 36 nm red shift compare with the pristine CDs. The addition of OCl- lead to the AAP on the surface of CDs experience a process of hydrazide hydrolysis and double bond addition, causing the singlet and triplet electrons of the excited state more closer in energy (ie, the energy difference between the two is reduced), eventually quenching the fluorescence of CDs due to heavy atomic effects. Central composite design (CCD) and response surface method (RSM) were used to optimize the detection variables of pH, incubation time and temperature. The designed model study indicated that the optimum detection conditions was pH 7.0, temperature 30 °C and incubation time 20 min, respectively. Under optimal conditions, the fluorescent intensity of the nanoprobe linearly responded to the OCl- concentration from 3 μM to 36 μM and the limit of detection was 40 nM. The proposed nanoprobe was successfully used to the detection of OCl- in tap water and pool water, and the recovery were in the range of 94% - 103%. In addition, the nanoprobe was also applied in imaging of VMSCs cells and labeling E.coli.
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Affiliation(s)
- Fanyong Yan
- State Key Laboratory of Separation Membranes and Membrane Processes, School of Chemistry and Chemical Engineering Tianjin Polytechnic University, Tianjin, 300387, China.
| | - Yingxia Jiang
- State Key Laboratory of Separation Membranes and Membrane Processes, School of Chemistry and Chemical Engineering Tianjin Polytechnic University, Tianjin, 300387, China
| | - Xiaodong Sun
- State Key Laboratory of Separation Membranes and Membrane Processes, School of Chemistry and Chemical Engineering Tianjin Polytechnic University, Tianjin, 300387, China
| | - Tengchuang Ma
- Department of Nuclear Medicine, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang, 150081, China
| | - Liang Chen
- Graduate School of Life Science, Hokkaido University, Sapporo, 0010024, Japan
| | - Li Chen
- State Key Laboratory of Separation Membranes and Membrane Processes, School of Chemistry and Chemical Engineering Tianjin Polytechnic University, Tianjin, 300387, China
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Yu Y, An Q, Jin L, Luo N, Li Z, Jiang J. Unraveling sorption of Cr (VI) from aqueous solution by FeCl 3 and ZnCl 2- modified corn stalks biochar: Implicit mechanism and application. Bioresour Technol 2020; 297:122466. [PMID: 31791915 DOI: 10.1016/j.biortech.2019.122466] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Revised: 11/13/2019] [Accepted: 11/17/2019] [Indexed: 06/10/2023]
Abstract
A novel functionalized biochar was prepared using corn stalks for efficiently removal and mobility control of Cr(VI). Compared to single modified biochar, iron/zinc biochar (Fe@Zn@HBC) displayed a better removal property and the maximum adsorption capacity of Fe@Zn@HBC reached 138.89 mg·g-1 at pH = 2 and 260 ± 10 Lux illumination. The positive charge on biochar might be the main reason promoting the rapid adsorption of Cr(VI) by electrostatic interaction. Reduction functional groups and photocatalysis (derived from ZnFe2O4 and B-H functional group) provided electrons for Cr(VI) reduction. And the SiO2 could enhance the reduction process by improving electrons transfer. Finally, FeCr2O4 and ZnFeCrO4 were formed by coprecipitation and ion exchange. Meanwhile, Fe@Zn@HBC showed a high solid-liquid magnetic separation potential due to the Fe3O4 and ZnFe2O4. In soil column experiment, Fe@Zn@HBC displayed a superior mobility control on biochar particles and Cr(VI) solution under the external magnetic field.
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Affiliation(s)
- Yang Yu
- Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, PR China
| | - Qiang An
- Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, PR China.
| | - Lin Jin
- Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, PR China
| | - Ning Luo
- Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, PR China
| | - Zheng Li
- Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, PR China
| | - Junnan Jiang
- Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, PR China
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Kokkalis ZT, Bavelou A, Papanikos E, Konofaos P, Efstathopoulos DG, Soucacos PN. Reconstruction of elbow flexion with a modified Oberlin procedure: A comparative study. Injury 2019; 50 Suppl 5:S71-S76. [PMID: 31668835 DOI: 10.1016/j.injury.2019.10.053] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [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] [Indexed: 02/02/2023]
Abstract
INTRODUCTION In upper brachial plexus injuries (C5-C6-C7), selective nerve transfers appear as a favourable technique. For this purpose, transfer of an ulnar nerve fascicle to the biceps motor branch (Oberlin's procedure) is often used. In this paper we present our modified Oberlin technique, as well as a comparison of this method with the classic Oberlin procedure. MATERIALS AND METHODS We present two groups of patients that where operated by two different surgeons. The first group, consisting of 16 patients was treated with the classic Oberlin procedure. The second group included 5 patients treated with a modified Oberlin procedure, where two fascicles from the ulnar nerve were transferred to both the motor branch of the biceps and the motor branch of the brachialis muscles. RESULTS In the last follow-up of the 16 patients from the first group with the classic Oberlin procedure, 15 patients (93.75%) had Medical Research Council (MRC) grade of biceps strength 4 and 1 patient (6.25%) had MRC grade 3, whereas in the group where the modified Oberlin procedure was used the muscle strength was very durable with 4 out of 5 the patients reached MRC grade of 4+ and one MRC grade of 4, and with a mean elbow strength at 5.4 kg (3-8 kg). No sensitivity or motor problems were encountered on the ulnar territories for both groups. CONCLUSION With the modified Oberlin technique, the median nerve is reserved and both elbow flexors are innervated. The results of this technique compare favourably with those of other methods. Thus, we propose using the double fascicle transfer from the ulnar nerve to both elbow flexors in order to restore a strong elbow flexion in patients with upper brachial plexus injuries.
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Affiliation(s)
- Zinon T Kokkalis
- Department of Orthopaedics, University of Patras, School of Medicine, University Hospital of Patras, Patras, Greece.
| | - Aikaterini Bavelou
- Department of Orthopaedics, University of Patras, School of Medicine, University Hospital of Patras, Patras, Greece
| | - Efstratios Papanikos
- Department of Orthopaedics, University of Patras, School of Medicine, University Hospital of Patras, Patras, Greece
| | - Petros Konofaos
- Department of Plastic Surgery, University of Tennessee Health Sciences Center, Memphis, TN, United States
| | | | - Panayotis N Soucacos
- First Department of Orthopaedics, National and Kapodistrian University of Athens, School of Medicine, Attikon University Hospital, Athens, Greece
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Lee SR, Choi H, Lee BH, Kang KW, Yu ES, Kim DS, Park Y, Choi CW, Kim BS, Sung HJ. Modified dose of melphalan-prednisone in multiple myeloma patients receiving bortezomib plus melphalan-prednisone treatment. Korean J Intern Med 2019; 34:1333-1346. [PMID: 30360024 PMCID: PMC6823557 DOI: 10.3904/kjim.2018.144] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 05/09/2018] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND/AIMS Bortezomib plus melphalan-prednisone (VMP) is a standard treatment for multiple myeloma, particularly for patients who are ineligible for high-dose therapy. However, early discontinuation or treatment modification is often needed owing to adverse events. The aim of this study was to investigate the clinical outcomes of modifying the dose of melphalan-prednisone (MP) in patients receiving VMP. METHODS We examined 67 patients who received a modified dose of MP, and 38 patients who received the regularly planned dose of MP. We then analyzed clinical differences between the groups. RESULTS Although there was no difference in the proportion of discontinuation due to adverse events between dose groups, more patients in the planned-dose group experienced earlier discontinuation in general. The overall response rate (ORR) was 81.0% and complete response (CR) rate was 30.5%. After a median 15.7 months of follow-up, the median progression-free survival (PFS) and overall survival (OS) were 25.0 and 47.8 months, respectively. There was no significant difference in the ORR, CR, PFS, and OS of the two dose groups. A median of four cycles were delivered, and the median cumulative bortezomib dose was 41.6 mg/m2 . The median PFS in patients with doses ≥ 41.6 mg/m2 was longer than that in patients with doses < 41.6 mg/m2 (35.1 months vs. 9.6 months). However, when MP was < 50% of the planned dose, PFS and OS were poor. CONCLUSION Modifying the dose of MP might be a feasible and effective therapeutic approach for multiple myeloma patients receiving VMP treatment.
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Affiliation(s)
- Se Ryeon Lee
- Division of Hematology and Oncology, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
| | - Hojoon Choi
- Division of Hematology and Oncology, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
| | - Byung Hyun Lee
- Division of Hematology and Oncology, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
| | - Ka-Won Kang
- Division of Hematology and Oncology, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
| | - Eun Sang Yu
- Division of Hematology and Oncology, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
| | - Dae Sik Kim
- Division of Hematology and Oncology, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
| | - Yong Park
- Division of Hematology and Oncology, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
| | - Chul Won Choi
- Division of Hematology and Oncology, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
| | - Byung Soo Kim
- Division of Hematology and Oncology, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
| | - Hwa Jung Sung
- Division of Hematology and Oncology, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
- Correspondence to Hwa Jung Sung, M.D. Division of Hematology and Oncology, Department of Internal Medicine, Korea University Ansan Hospital, 123 Jeokgeum-ro, Danwon-gu, Ansan 15355, Korea Tel: +82-31-412-6549 Fax: +82-31-412-5984 E-mail:
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Trost M, Knieps M, Loweg L, Neiss WF, Eysel P, Frey S, Schulte TL, Bredow J. Biomechanical comparison of conventional versus modified technique in distal chevron osteotomies of the first metatarsal: A cadaver study. Foot Ankle Surg 2019; 25:665-9. [PMID: 30321928 DOI: 10.1016/j.fas.2018.07.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2018] [Revised: 07/27/2018] [Accepted: 07/31/2018] [Indexed: 02/04/2023]
Abstract
BACKGROUND Distal chevron osteotomy can be performed using a conventional or a modified technique. The aim of this biomechanical study was to compare the stability of the two techniques. METHODS Eighteen first metatarsals from nine pairs of fresh frozen human cadaver feet were used. A distal chevron osteotomy was performed using the conventional technique in group 1 (n=9) and using the modified technique in group 2 (n=9). The head of the first metatarsals was loaded in two different configurations (cantilever and physiological), using a materials testing machine. RESULTS In the cantilever configuration, the relative stiffness of the osteosynthesis in comparison with intact bone was 60% (±21%) in group 1 and 65% (±25%) in group 2 (p=0.61). In the physiological configuration, it was 47% (±29%) in group 1 and 47% (±21%) in group 2 (p=0.98). The failure strength in the cantilever configuration was 235N (±128N) in group 1 and 210N (±107N) in group 2 (p=0.47). CONCLUSIONS The conventional and the modified technique for distal chevron osteotomy in the treatment of hallux valgus show a comparable biomechanical loading capacity in this cadaver study.
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Valentino WL, Alnouri G, Vance D, Paknezhad H, Tami A, Sataloff RT. The Utility of Strap Muscle in Complex Type I Thyroplasties. J Voice 2021; 35:493-6. [PMID: 31543359 DOI: 10.1016/j.jvoice.2019.08.025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Revised: 08/23/2019] [Accepted: 08/23/2019] [Indexed: 11/21/2022]
Abstract
INTRODUCTION Type I thyroplasty is a common procedure used to improve dysphonia secondary to glottic insufficiency caused by vocal fold paralysis, paresis, or bowing. Revision often involves more complex procedures that can be complicated by mucosal violation, hemorrhage, infection, and shifted or extruded implants. Intraoperative challenges can be managed successfully using autologous strap muscle rotation flaps. OBJECTIVES Review vocal fold medialization with strap muscle as a viable option for thyroplasty, particularly operations with inadvertent mucosal disruption. METHODS All operative records of the senior author's 30-year experience were queried for modified, complex, or revision type I thyroplasties. Each of these was reviewed, and only those utilizing autologous strap muscle rotation flaps for vocal fold medialization were included. Changes in voice quality were assessed using strobovideolaryngoscopic assessment of glottic closure and Voice Handicap Index-10 (VHI-10) scores when available. RESULTS Seven patients were found to have undergone eight type I thyroplasty using autologous strap muscle flaps. Improved glottic closure was seen in all patients except one. This patient, complicated by a laryngeal fracture of unknown origin discovered at the time of surgery, had worse voice with strap muscle implantation intraoperatively; therefore, the patient's fracture was reduced, and medialization was postponed. All other patients reported improved voice quality both intra- and postoperatively. Pre- and postoperative VHI-10 scores were available for two of the seven cases with successfully implanted strap muscles. A decrease in VHI-10 was observed in both cases (mean = 11). No postoperative complications occurred in any patient. CONCLUSION Although revision thyroplasties are relatively rare, they can be challenging. The seven cases presented herein illustrate the successful and safe use of autologous strap muscle rotation flaps for complex, revision type I thyroplasty procedures. They are particularly helpful in cases requiring additional soft tissue between the thyroid cartilage and mucosa in preparation for possible future medialization after Gore-Tex or Silastic implants, and for inadvertent mucosal disruption in which using a foreign implant might pose a risk of infection. Future studies should be performed with larger populations and longer follow-up to confirm the efficacy and safety of this procedure.
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Zhuang Q, Qiu G, Li Q, Zhang J, Shen J, Wang Y, Zhao H, Zhao Y, Li S, Yu B, Chang X, Wang S, Cai S, Zhou X, Liang J. Modified PUMC classification for adolescent idiopathic scoliosis. Spine J 2019; 19:1518-1528. [PMID: 30940502 DOI: 10.1016/j.spinee.2019.03.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [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: 09/27/2018] [Revised: 03/23/2019] [Accepted: 03/25/2019] [Indexed: 02/03/2023]
Abstract
BACKGROUND The original Peking Union Medical College (PUMC) classification of adolescent idiopathic scoliosis (AIS) is one system to combine each type with corresponding surgical fusion guidance, presenting comparable interobserver reliability, and reproducibility with Lenke classification. However, during its application in previous over 10 years, we found 2 main problems of this classification, which required modification. PURPOSE (1) To evaluate the interobserver and intraobserver reliability, (2) to assess the effects of the added fusion criteria of proximal thoracic (PT) curve on improving postoperative shoulder balance of the modified PUMC classification of AIS. STUDY DESIGN/SETTING Retrospective analysis of our AIS cohort and prospective validation of its effectiveness. PATIENT SAMPLE Fifty sets of preoperative radiographs of AIS patients were randomly chosen from our AIS database. Furthermore, 46 consecutive AIS cases with PT curve were enrolled who underwent surgeries in our center from July 2007 to July 2013, with at least 2-year follow-up. OUTCOME MEASURES The classification results of 50 sets of preoperative radiographs by 5 surgeons. The shoulder balance was evaluated using radiographic shoulder height. METHODS Five surgeons independently evaluated and classified presurgical radiographs of 50 AIS patients based on the modified PUMC classification. Inter- and intraobserver reliabilities were calculated. Furthermore, the post-op shoulder balance was investigated in 46 consecutive cases of AIS with PT curve who were treated strictly based on the modified PUMC classification. RESULTS The Kappa coefficients of inter- and intraobserver reliability of the overall modified PUMC classification are 0.889 and 0.865, respectively. The Kappa coefficients of inter- and intraobserver reliability for the type II are 0.791 and 0.746, respectively. In addition, the shoulder balance rate of the 46 AIS patients with PT curve at the final follow-up was 95.7%. CONCLUSIONS Modified PUMC classification presents incremental improvement compared to our original published version, with high interobserver and intraobserver reliability and better performance of postoperative shoulder balance. Furthermore, the modified PUMC classification provides corresponding surgical fusion guidance for each subtype. Multicenter prospective studies with larger samples are still needed to further improve this system.
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Affiliation(s)
- Qianyu Zhuang
- Department of Orthopaedics, Peking Union Medical College Hospital, No.1 Shuaifuyuan, Wangfujing, Beijing 100730, China
| | - Guixing Qiu
- Department of Orthopaedics, Peking Union Medical College Hospital, No.1 Shuaifuyuan, Wangfujing, Beijing 100730, China.
| | - Qiyi Li
- Department of Orthopaedics, Peking Union Medical College Hospital, No.1 Shuaifuyuan, Wangfujing, Beijing 100730, China
| | - Jianguo Zhang
- Department of Orthopaedics, Peking Union Medical College Hospital, No.1 Shuaifuyuan, Wangfujing, Beijing 100730, China
| | - Jianxiong Shen
- Department of Orthopaedics, Peking Union Medical College Hospital, No.1 Shuaifuyuan, Wangfujing, Beijing 100730, China
| | - Yipeng Wang
- Department of Orthopaedics, Peking Union Medical College Hospital, No.1 Shuaifuyuan, Wangfujing, Beijing 100730, China
| | - Hong Zhao
- Department of Orthopaedics, Peking Union Medical College Hospital, No.1 Shuaifuyuan, Wangfujing, Beijing 100730, China
| | - Yu Zhao
- Department of Orthopaedics, Peking Union Medical College Hospital, No.1 Shuaifuyuan, Wangfujing, Beijing 100730, China
| | - Shugang Li
- Department of Orthopaedics, Peking Union Medical College Hospital, No.1 Shuaifuyuan, Wangfujing, Beijing 100730, China
| | - Bin Yu
- Department of Orthopaedics, Peking Union Medical College Hospital, No.1 Shuaifuyuan, Wangfujing, Beijing 100730, China
| | - Xiao Chang
- Department of Orthopaedics, Peking Union Medical College Hospital, No.1 Shuaifuyuan, Wangfujing, Beijing 100730, China
| | - Shengru Wang
- Department of Orthopaedics, Peking Union Medical College Hospital, No.1 Shuaifuyuan, Wangfujing, Beijing 100730, China
| | - Siyi Cai
- Department of Orthopaedics, Peking Union Medical College Hospital, No.1 Shuaifuyuan, Wangfujing, Beijing 100730, China
| | - Xi Zhou
- Department of Orthopaedics, Peking Union Medical College Hospital, No.1 Shuaifuyuan, Wangfujing, Beijing 100730, China
| | - Jinqian Liang
- Department of Orthopaedics, Peking Union Medical College Hospital, No.1 Shuaifuyuan, Wangfujing, Beijing 100730, China
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Ji L, Song W, Wei D, Jiang D, Cai L, Wang Y, Guo J, Zhang H. Modified mussel shell powder for microalgae immobilization to remove N and P from eutrophic wastewater. Bioresour Technol 2019; 284:36-42. [PMID: 30925421 DOI: 10.1016/j.biortech.2019.03.112] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 03/18/2019] [Accepted: 03/21/2019] [Indexed: 06/09/2023]
Abstract
In this work, calcined mussel shell powder (CMSP) was activated by K2CO3 (K-CMSP), and this porous K-CMSP surface was modified by L-arginine (L-ARG) to render porous biomass a positively charged surface, which was innovatively utilized as a carrier to immobilize microalgae by adsorption via electrostatic interactions. The pore and the surface structures of CMSP and K-CMSP were characterized by XRD, FTIR, BET and SEM. The surface morphology of immobilized microalgae was visualized via using inverted optical microscope and SEM. It was found that microalgae could survive for 60 days, and the loss rate of chlorophyll-a preserved at -24 °C was the lowest, 44.73%. The microalgae could revive to normal growth level within 10 days and the cell content of microalgae was the highest at 25 °C, 2.8022 × 106 cell/mL. At 25 °C, the highest removal rate of N and P was obtained about 95.0% and 88.63%, respectively.
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Affiliation(s)
- Lili Ji
- Institute of Innovation & Application, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China
| | - Wendong Song
- College of Petrochemical and Energy Engineering College, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China
| | - Danyi Wei
- College of Naval Architecture and Mechanical-Electrical Engineering, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China
| | - Dongjiao Jiang
- College of Marine Science and Technology, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China
| | - Lu Cai
- College of Environmental and Science Technology, Donghua University, Shanghai 201620, China
| | - Yaning Wang
- Institute of Innovation & Application, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China
| | - Jian Guo
- College of Food and Medical, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China
| | - Hailong Zhang
- Institute of Innovation & Application, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China.
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Abstract
OBJECTIVE A retrospective review aims to investigate the operative methods and therapeutic effects of the modified Stoppa approach for treating pelvic and acetabular fractures. METHODS 18 patients with acetabular fracture of the anterior column and pelvic anterior ring fracture underwent surgical treatment using the modified Stoppa approach. Some of the treatment was combined with the iliac fossa approach or rear K-L approach. Fracture reduction and postoperative function were evaluated using the Matta scoring standard and the Majeed scoring system. The Oxford Centre for Evidence-Based Medicine system was used to grade the literature review and create graded B recommendations. RESULTS Incision length was 6-12 cm (mean, 10 cm), operative duration was 50-150 minutes (mean, 85 minutes), and intraoperative blood loss volume was 400-1,000 ml (mean, 500 ml). 18 patients were followed up for 12-36 months post-operation. In the results of X-ray films, 12 cases were anatomical reductions and the remaining cases were satisfactory reductions. According to Majeed standard, 13 patients were excellent and five patients were good. CONCLUSIONS Treatment using the modified Stoppa approach was suitable for anterior approaches, in which pelvic and acetabular fractures were sufficiently exposed, the fracture was conveniently reduced, less complications occurred, and curative effect was satisfactory. Level of evidence III, Retrospective comparative study.
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Affiliation(s)
| | - Yu-Fang He
- The Third Hospital of Gansu Province, China
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Ding S, He X, Zhang G, Ruan Z, Wu X. Modified internal fixator for anterior pelvic ring fractures versus conventional two-screw fixation. Eur J Trauma Emerg Surg 2021; 47:533-9. [PMID: 31147724 DOI: 10.1007/s00068-019-01164-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Accepted: 05/27/2019] [Indexed: 01/13/2023]
Abstract
PURPOSE The present study aims to evaluate the short-term clinical effects and complications of modified three-screw fixation and conventional two-screw fixation for treating anterior pelvic ring fractures. METHODS A retrospective study of 51 patients with type B fractures was performed. 25 patients (modified group) were treated with modified three-screw fixation and the other 26 patients (conventional group) with conventional two-screw fixation. Outcome measures included operation time, intraoperative blood loss, hospital stays, postoperative complications and the Majeed score at postoperatively 2 months, 3 months, 1 year and the time of implant removal. RESULTS The mean operative times and mean blood loss for modified three-screw fixation versus conventional two-screw fixation bilateral were 54.8 ± 10.7 min versus 32.3 ± 9.9 min, and 153.3 mL versus 550.0 mL (p < 0.001), respectively. However, the Majeed score was better in modified group at postoperatively 2 months (75.6 ± 9.5 vs. 69.7 ± 8.3, p = 0.008) and 3 months (80.3 ± 10.7 vs. 75.1 ± 11.9, p = 0.014). There was no statistical difference between two groups at the time of implant removal (82.1 ± 9.3 vs. 80.9 ± 8.8, p = 0.272) and postoperatively 1 year (83.5 ± 7.8 vs 82.6 ± 8.2, p = 0.723). No patients experienced surgical wound infection, deep vein thrombosis, delayed union or nonunion, implant loosening or rupture. One patient complained of tardive unilateral thigh pain at postoperatively 4 months in conventional group. CONCLUSIONS Both modified three-screw fixation and conventional two-screw fixation could ultimately afford satisfactory clinical and radiological outcomes with less complication for anterior pelvic ring fractures. The modified three-screw fixation might have better biomechanical strength and faster pelvic rehabilitation.
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Jiang Q, Zou S, Wu J, Bai J, Jin J, Qu L. Reduced Facial Swelling and Incision Numbness After Q- Modified Eversion Carotid Endarterectomy in Patients with Severe Carotid Stenosis. World Neurosurg 2019; 126:e1063-e1068. [PMID: 30878744 DOI: 10.1016/j.wneu.2019.02.205] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Revised: 02/20/2019] [Accepted: 02/21/2019] [Indexed: 12/29/2022]
Abstract
BACKGROUND Carotid endarterectomy, especially eversion carotid endarterectomy (ECEA), is a standard treatment of carotid artery stenosis but continues to have deficiencies. We have described a modified ECEA technique that focuses on the quality of life (QoL), called Q-modified eversion carotid endarterectomy (QCEA). The modifications mainly include the skin incision, surgical approach, and arterial anastomosis. The purpose of the present study was to evaluate the clinical efficacy of QCEA and the QoL of patients after QCEA. METHODS We performed a retrospective study of 109 patients were had undergone ECEA or QCEA from October 2016 to December 2017. The data from all interventions were prospectively collected in a dedicated database. The primary efficacy outcome was the composite of any stroke, myocardial infarction, or death through the 1-year follow-up period. The secondary endpoint was the QoL of patients after ECEA or QCEA on the seventh postoperative day, including incision hematoma, incision numbness, facial swelling, and scar length. RESULTS QCEA was performed in 41 patients and ECEA in 45 patients. No statistically significant differences were found in operating or clamping time between the 2 groups. The incidence of facial swelling (4.9% vs. 28.9%; P = 0.040) and incision numbness (4.9% vs. 24.4%; P = 0.011) in the QCEA group was significantly lower than that in the ECEA group. The average scar length of the QCEA group was significantly shorter than that of the ECEA group (5.1 ± 1.4 cm vs. 7.6 ± 2.1 cm; P < 0.001). No transient ischemic attack, stroke, myocardial infarction, or mortality occurred in either group during the 1-year follow-up. CONCLUSIONS Our results suggest that QCEA can reduce incision numbness, facial edema, and scar length, thereby improving the QoL of patients.
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Affiliation(s)
- Qingjun Jiang
- Department of Vascular and Endovascular Surgery, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Sili Zou
- Department of Vascular and Endovascular Surgery, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Jianjin Wu
- Department of Vascular and Endovascular Surgery, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Jun Bai
- Department of Vascular and Endovascular Surgery, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Jie Jin
- Department of Vascular and Endovascular Surgery, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Lefeng Qu
- Department of Vascular and Endovascular Surgery, Changzheng Hospital, Second Military Medical University, Shanghai, China.
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Kumar P, Sen R, Aggarwal S, Agarwal S, Rajnish RK. Reliability of Modified Harris Hip Score as a tool for outcome evaluation of Total Hip Replacements in Indian population. J Clin Orthop Trauma 2019; 10:128-130. [PMID: 30705547 PMCID: PMC6349643 DOI: 10.1016/j.jcot.2017.11.019] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [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: 11/03/2017] [Revised: 11/23/2017] [Accepted: 11/30/2017] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND Standard Harris Hip Score (HHS) is a validated tool, to measure the functional status of an individual and has been traditionally used to assess the condition of a patient with hip pathologies. Harris hip score in its standard form includes a physician's physical examination component which has a high inter-observer variability. A modified version of HHS (MHHS) was devised and brought into use, but has not been validated as an outcome measure, post total hip replacement (THR) in Indian population. METHODS 101 patients with 122 hips for whom THR was done, were followed up, and HHS and MHHS were recorded at a minimum followup of 6 months. RESULTS The mean MHHS was 78.97 with a standard deviation of 15.017. There was positive correlation between the two functional outcome scores with a p value of 0.001. MHHS was found to be reliable with a significant intraclass correlation coefficient (p = 0.001). CONCLUSION MHHS is a reliable and valid tool to measure functional outcome in patients undergoing Total Hip Replacements.
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Affiliation(s)
- Prasoon Kumar
- Department of Orthopaedics, PGIMER, Chandigarh, India
| | - Ramesh Sen
- Department of Orthopaedics, Fortis Hospital, Mohali, India
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Kilinc CY, Acan AE, Gultac E, Kilinc RM, Hapa O, Aydogan NH. Treatment results for acetabulum fractures using the modified Stoppa approach. Acta Orthop Traumatol Turc 2019; 53:6-14. [PMID: 30558866 DOI: 10.1016/j.aott.2018.11.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Revised: 10/03/2018] [Accepted: 11/28/2018] [Indexed: 11/23/2022]
Abstract
Objectives The aim of this study was to evaluate the clinical and radiological results of the surgical treatment of acetabular fractures using modified Stoppa approach. Methods A total of 57 patients (mean age 37.8 years; range 15–84) who underwent surgical treatment for acetabular fracture with modified Stoppa approach from February 2013 to June 2016 were included into the study. The mean follow-up time was 28.1 months (range 24–35). The records were reviewed for fracture patterns, time to surgery, operative time, blood loss, reduction quality, and perioperative complications. Reduction quality was graded as anatomic, imperfect, or poor. The Harris Hip Score (HHS) and Merle d'Aubigné score were used for functional evaluation. Results Among the 63 acetabulum fractures of the 57 patients, 27 were associated with both columns, 12 were T-type fractures, 10 were transverse, 7 were anterior column/posterior hemitransverse, 5 were anterior column, and 2 were anterior wall fracture. A single surgeon performed all operations. Pfannenstiel incision was used in the first 19 cases while vertical midline incision in the remaining 38 cases. Average time to operation was 5.5 days, and supplemental lateral windows were used in 17 (29.8%) patients. Average blood loss and operation times were 660 mL and 152 min, respectively. Radiological outcomes were anatomic, imperfect, and poor in 52 (82.5%), 9 (14.2%), and 2 (3.2%) of the acetabulum fractures, respectively. Clinical outcomes at 2 years with HHS and Merle d’Aubigné scores were mean 86.6 (range 66–96) (Excellent in 27, good in 23, fair in 4, poor in 3 patient) and 16.7 (range 10–18) (Excellent in 25, very good in 18, good in 6, fair in 5, poor in 3 patient), respectively. There was a significant relation between the reduction quality and clinical outcome (p < 0.001), while there was no significant relation between the clinical outcome and the fracture type (p > 0.05). Iatrogenic external iliac vein damage was noted in 2 patients. Obturator nerve palsy was noted in 3 patients, who recovered spontaneously at mean time of 3.7 months (range 3–5). Rectus abdominus paralysis was noted in 2 of the 19 (10.5%) Pfannenstiel-incision patients but not in the vertical-incision patients. Conclusion Our experience in 57 patients shows that satisfactory results can be obtained, even in bilateral fractures with vertical midline incision. Level of evidence Level IV Therapeutic Study
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Abstract
OBJECTIVE To evaluate the clinical outcomes of traumatic spino-pelvic dissociation (TSD) treated with modified bilateral triangular fixation. METHODS Eighteen consecutive patients of TSD were included in the study from March 2011 to March 2015, and the medical records of patients were reviewed retrospectively. There were 14 men and 4 women with an average age of 33.1 ± 1.4 years (range, 18-55 years). A total of 16 cases were caused by falling, and 2 cases were caused by traffic accident. All sacral fractures had associated injuries. According to the morphology of sacral fracture, U-shaped fractures were present in 10 cases, H-shaped fractures in 6 cases, and Y-shaped fractures in 2 cases. According to Roy-Camille classification, there were 12 cases of type II and 6 cases of type III. All patients received surgical treatment with modified bilateral triangular fixation, and the sacral plexus decompression was performed simultaneously on 6 cases whose scores were more than 2 according to Gibbons classification and were found having traumatic canal stenosis or sacral nerve compression detected by preoperative imaging examination. Mears' radiological evaluation criterion was applied to evaluate the reduction quality of fractures; Gibbons score was applied as the index of neurological deficiency healing, and the clinical outcome of fracture was evaluated with Majeed function assessment at last follow-up. RESULTS All patients were followed up continuously within an average of 32.4 ± 3.6 months (range, 22-48 months). All sacral fractures were healed in an average time of 11.3 ± 2.8 months (range, 8-28 months). According to the Majeed function evaluation, 12 cases were classified as excellent, 4 cases as good, and 2 cases as fair. Meanwhile, the anatomical reduction was obtained in 11 cases, satisfactory reduction in 6 cases, and unsatisfactory reduction in 1 case according to Mears' radiological evaluation criterion. The average Gibbons score changed from 2.5 ± 0.2 preoperatively to 1.4 ± 0.5 24 months postoperatively, which had a significant difference (t = 2.15, P < 0.05). CONCLUSION Modified triangular fixation combined with internal fixations shows satisfactory clinical outcomes in the treatment of TSD, which is recommended as an effective and advanced surgical choice.
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Affiliation(s)
- Wei Tian
- Department of Traumatic Orthopaedics, Tianjin Hospital, Tianjin, China
| | - Wen-Huan Chen
- Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Jian Jia
- Department of Traumatic Orthopaedics, Tianjin Hospital, Tianjin, China
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