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  • 1
    Online Resource
    Online Resource
    AIP Publishing ; 2012
    In:  Applied Physics Letters Vol. 101, No. 25 ( 2012-12-17)
    In: Applied Physics Letters, AIP Publishing, Vol. 101, No. 25 ( 2012-12-17)
    Abstract: Metal oxide nanowires (NWs) are widely considered as promising materials for gas sensor applications. Here, we demonstrate that by decorating NiO nanoparticles on SnO2 NWs, the gas response to 10 ppm H2S increased up to ∼351-fold. The response of the NiO-decorated SnO2 NWs sensor to 10 ppm H2S at 300 °C reached ∼1372, whereas the cross-gas responses to 5 ppm NH3, 200 ppm C2H5OH, and 1 ppm NO2 were negligible (1.8 to 2.9). The enhanced H2S sensing performance was attributed by the catalytic effect of NiO and the formation of a continuous chain of n-p-n-p junctions.
    Type of Medium: Online Resource
    ISSN: 0003-6951 , 1077-3118
    RVK:
    Language: English
    Publisher: AIP Publishing
    Publication Date: 2012
    detail.hit.zdb_id: 211245-0
    detail.hit.zdb_id: 1469436-0
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  • 2
    In: Vietnam Journal of Endolaparoscopic Surgery, Vietnam Association for Surgery and Endolaparosurgery, Vol. 10, No. 3 ( 2020-8-27)
    Abstract: Tóm tắt Mục tiêu: Đánh giá kết quả sớm điều trị ung thư đại tràng bằng phẫu thuật nội soi 3D. Đối tượng và phương pháp nghiên cứu: Nghiên cứu mô tả bao gồm 38 người bệnh (NB) được chẩn đoán ung thư đại tràng, được điều trị bằng phẫu thuật nội soi 3D tại bệnh viện Trung ương Huế từ tháng 1/2018 đến tháng 6/2019. Kết quả: Độ tuổi trung bình: 59,61 ± 14,37. Tỷ lệ nam / nữ là 2,5/1. Đau bụng là lý do vào viện thường gặp nhất (60,5%). Triệu chứng đau bụng là 86,8%, CEA tăng trước mổ (38,9%). Tỷ lệ phát hiện khối u trên CTscaner là 81,6%. Khối u trên 5 cm là 26,3%. Nội soi đại tràng thể sùi chiếm tỷ lệ cao nhất (71,1%). Khối u đại tràng phải có tỷ lệ là 52,6%. Khối u giai đoạn T3 có tỷ lệ 68,4%. Thời gian mổ trung bình là 144,5 ± 56,4 phút, thấp nhất là 90 phút, cao nhất là 210 phút. Không gặp tai biến trong mổ. Không có trường hợp nào chuyển sang mổ mở. Kích thước đường mổ trung bình là 5,08 ± 1,65cm, nhiễm trùng vết mổ là 7,9%. Thời gian nằm viện trung bình là 9,1 ± 2,4 ngày. 100% ung thư biểu mô tuyến. Đau bụng sau mổ 1 tháng có 18 người bệnh (47,3%), sau mổ 6 tháng có 5 người bệnh (20,8%). Rối loạn tiêu hóa sau mổ 1 tháng có 9 người bệnh (23,7%), sau mổ 3 tháng có 3 người bệnh (10,3 %), sau mổ 6 tháng có 2 người bệnh (8,3%). Sau mổ 3 tháng tỷ lệ tăng CEA có 2 người bệnh (6,9%), sau mổ 6 tháng có 3 người bệnh (12,5%). Nội soi đại tràng cho kết quả viêm phù nề miệng nối sau 3 tháng có 6 người bệnh (20,7%), sau 6 tháng có 6 người bệnh (25%). Không thấy thương tổn trên CT scan bụng có thuốc sau 3 và 6 tháng. Kết luận: Phẫu thuật nội soi 3D trong điều trị ung thư đại tràng là phương pháp phẫu thuật an toàn, hiệu quả. Abstract Objective: Evaluating the early results of application of 3D laparoscopic surgery for rectal cancer. Material and methods: The descriptive research enrolled 38 patients were diagnosed colon cancer, treated by 3D laparoscopic surgery at Hue Central Hospital from January 2018 to June 2019. Result: The age average was 59.61 ± 14.37. The male / female rate was 2.5/1. Abdominal pain is the most common reason for hospitalization 60.5%. Abdominal pain accounted for 86.8%, pre-operative CEA increased was in 38.9%. The detection on CTscaner was 81.6%. The size of tumors above 5 cm 26.3%. Type of fold convergence appearance is highest rate on endoscopic feature 71.1%. Right colon tumor was the highest 52.6%. T3 accounts for the highest rate of 68.4%. The average time of surgery is 144.5 ± 56.4 minutes, shorted is 90 minutes, longest is 210 minutes. No accident was observed during surgery. There are no cases converted to open surgery. The average size of surgical incision was 5.08 ± 1.65cm, surgical site infection accounts for 7.9%. The average hospital length stay is 9.1 ± 2.4 days. Adenocarcinoma 100%. Postoperative abdominal pain in 1 month were 18 patients (47,3%), in 6 months were 5 patients (20.8%). Postoperative gastrointestinal disorders in 1 month were observed in 9 patients (23.7%), in 3 months were 3 patients (10.3%), 6 months were 2 patients (8.3%). The rate of CEA increased in 3 months after operation were 2 patients (6.9%), after 6 months were 3 patients (12.5%). The inflammation anastomosis by colonoscopy check after 3 months were 6 patients (20.7%), after 6 months were 6 patients (25%). No findings of lesions on CT scan after 3 and 6 months. Conclusion: Laparoscopic 3D surgery is safe and effective treatment for colon cancers. Key words: Laparoscopic 3D surgery, colon cancer.
    Type of Medium: Online Resource
    ISSN: 1859-4506
    Uniform Title: Đánh giá kết quả sớm ứng dụng phẫu thuật nội soi 3D trong điều trị ung thư đại tràng tại Bệnh viện Trung ương Huế
    URL: Issue
    URL: Issue
    Language: Vietnamese
    Publisher: Vietnam Association for Surgery and Endolaparosurgery
    Publication Date: 2020
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  • 3
    In: Vietnam Journal of Endolaparoscopic Surgery, Vietnam Association for Surgery and Endolaparosurgery, Vol. 10, No. 3 ( 2020-8-27)
    Abstract: Tóm tắt Mục tiêu: Đánh giá kết quả phẫu thuật nội soi một cổng (PTNSMC) ung thư đại tràng có theo dõi và đánh giá kết quả sống còn sau mổ. Đối tượng nghiên cứu: Nghiên cứu tiến cứu gồm 114 người bệnh (NB) ung thư đại tràng (UTĐT) được phẫu thuật nội soi một cổng từ tháng 12/2011 được theo dõi đến tháng 12/2018 tại Bệnh viện Trung ương Huế. Kết quả: Tuổi trung bình (TB) 57,1 ± 14,2 tuổi (25 - 87), tỷ lệ nam/nữ 1,6/1, tăng CEA trước mổ 54,4%, kích thước u TB 4,9 ± 2,5cm (1 - 7,5). Phương pháp phẫu thuật: cắt nửa đại tràng phải 73,7%, cắt nửa đại tràng trái 14,9%, cắt đoạn đại tràng sigma 11,4%, đặt thêm 1 trocar hỗ trợ 16,7%, không có tử vong cũng như các tai biến trong mổ. Thời gian phẫu thuật 163,5 ± 75,5 phút (120 - 290), số hạch thu được 16,2 ± 4,5 hạch (12 - 25), thời gian nằm viện 7,5 ± 6,1 ngày (6 - 15). Giai đoạn (GĐ): GĐ1: 30,7%; GĐ2: 43,9%; GĐ3: 25,4%. Thời gian theo dõi 38,2 ± 17,5 tháng (6 - 84), 5 NB tái phát tại vùng 4,4%, 3 NB tiến triển di căn xa 2,6%. Sống còn toàn bộ sau 2 năm 96,2%, sau 5 năm 75,7%, sống còn 5 năm theo giai đoạn: GĐ1: 90,9%; GĐ2: 71,6%; GĐ3: 20,8% (p 〈 0,0001). Kết luận: Phẫu thuật nội soi một cổng ung thư đại tràng là khả thi và an toàn, giá trị thẩm mỹ là vết rạch ngắn, được che phủ bởi rốn. Kết quả lâu dài về mặt ung thư học là tương tự với phẫu thuật nội soi truyền thống trong ung thư đại tràng. Abstract Objectives: Evaluation of results of single port laparoscopic surgery (SPLS) for colon cancer with follow up of survival. Materials and methods: Prospective study of 114 patients suffering from colon cancer underwent SPLS from December 2011, were followed up until December 2018 at Hue Central Hospital. Results: Average age was 57.1 ± 14.2 years (25 - 87), male/female was 1.6/1, pre-operative elevated level of CEA was 54.4%, average tumor size 4.9 ± 2.5cm (1 - 7.5). Surgical techniques included right hemicolectomy 73.7%, left hemicolectomy 14.9% and sigmoidectomy 11.4%, additional one more trocar was 16.7%. No death and nor complications were observed during surgery. Time of surgery was 163.5 ± 75.5 minutes (120 - 290), mean lymph nodes harvest 16.2 ± 4.5 nodes (12 - 25), mean hospital lenght stay was 7.5 ± 6.1 days (6 - 15). Stage I: 30.7%; stage II: 43.9%; stage III: 25.4%. Follow-up time was 38.2 ± 17.5 months (6 - 84), local recurrence was in 5 patients accounted for 4.4%, 3 patients with distal metastasis 2.6%, overall survival rates after 2 years accounted for 96.2%, after 5 years in 75.7%, 5 years of survival according to stage were : stage I in 90.9%, stage II in 71.6%, stage III in 20.8% (p 〈 0, 0001). Conclusion: Single port laparoscopic surgery for colon cancer is feasible and safe, cosmetic aspect is a short incision, hidden by the umbilicus. Long-term results in oncology are equivalent to conventional laparoscopic surgery. Keywords: Colon cancer, Single port laparoscopic surgery.
    Type of Medium: Online Resource
    ISSN: 1859-4506
    Uniform Title: Kết quả dài hạn phẫu thuật nội soi một cổng điều trị ung thư đại tràng
    URL: Issue
    URL: Issue
    Language: Vietnamese
    Publisher: Vietnam Association for Surgery and Endolaparosurgery
    Publication Date: 2020
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  • 4
    In: Vietnam Journal of Science, Technology and Engineering, Ministry of Science and Technology, Vietnam (VMOST), Vol. 59, No. 2 ( 2017-6-30), p. 48-52
    Abstract: Objective: Natural Orifice Transluminal Endoscopic Surgery (NOTES) is an important evolution in minimally invasive surgery (MIS) nowaday. This paper presents the techniques and early results of the pure transanal and transvaginal laparoscopies (NOTES) used for the treatment of colorectal cancer. Material and method: Prospective studies were conducted at Hue Central Hospital, Vietnam. Patients: From December 2013 to September 2015, 22 cololorectal cancer patients (18 rectums, 3 sigmoid tumors and 1 descending colon), adenocarcinoma, T≤ T3N1M0. Methods: The patients were placed in lithotomy and Trendelenburg positions, and the lone-star retractor was placed in the anus (rectum cancer) or vagina (sigmoid cancer). The surgical cavity was then inflated with CO2 and set at 12 mm/Hg. Dissection was continued until inside of the abdominal cavity (transanal technique). After that, the rectum was pushed into the abdominal cavity. The IMA and IMV were divided (TME included) in both techniques. After finishing dissection, the specimens were pulled out through the anus or vagina to prepare anastomosis. Coloanal and colorectal anastomosis were either hand-sewn (6 cases) or sealed with EEA staplers (16 cases). Results: 2 patients needed one more 5 mm umbilical port in RLQ, 2 patients needed two 5 mm trocars (post radiation hemorrhage, and urethral perforation). One patient converted to open and 1 patient converted to the HYBRID-NOTES procedure. The operation time was 258±40 (190-300) minutes. All patients required minimal analgesia. Bowel movement returned on the first day to 16 patients (average: two days, maximum: three days). The hospital stay was 7±2.8 (4-14) days. Kirwan classification (sphincter function) was very good (stage I: 18). Conclusions: Pure transanal and transvaginal laparoscopies for the treatment of colorectal cancer are feasible and safe. We believe that this is the first pure transvaginal laparoscopy (NOTES) for human in the world. A multicentric study in a large numbers of patients and a long follow-up is necessary.
    Type of Medium: Online Resource
    ISSN: 2525-2461
    URL: Issue
    Language: Unknown
    Publisher: Ministry of Science and Technology, Vietnam (VMOST)
    Publication Date: 2017
    detail.hit.zdb_id: 3145662-5
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  • 5
    In: Vietnam Journal of Science, Technology and Engineering, Ministry of Science and Technology, Vietnam (VMOST), Vol. 60, No. 3 ( 2018-9-30), p. 55-58
    Abstract: Purpose:the treatment of concomitant gallstones and common bile duct (CBD) stones by endoscopic retrograde cholangiopancreatography (ERCP) following laparoscopic cholecystectomy (LC). The analysis of single-step or separated-step characteristics. Object: during the three years (2015-2017), 68 patients having CBD stones concomitant gallstones suitable criteria for inclusion at Hue Central Hospital. Retrospective clinical description study. Results: the average age is 52.2±12.5 years (24-90) and the male/female ratio is 0.7/1 (27/41). Abdominal pain was the most common symptom 91.2%, which was followed by jaundice 51.5%; direct bilirubin increased by 27.3±15.6 μmol/l (2.2-165). The size of CBD stones is 12.4±3.2 mm (6-20), the size of gallstones is 11.3±6.2 mm (5-36). The first time CBD stones 95.6%, recurrent CBD stones 4.4%. Single-step ERCP and LC 34 patients, separated-step group: ERCP 1.4±2.5 times and secondary LC. Single-step ductal clearance 76.5%, separated-step ductal clearance 94.1% (p=0.041). Length of hospital stay 6.5±4.3 days and 13.6±2.2 days (p 〈 0.0001). Conclusions: the rate of ductal clearance in the separated-step group was significantly higher than the single-step group with p=0.041. The indication of laparoscopic cholecystectomy immediately ERCP should be based on the patient’s morbidity, the ductal clearance as well as the prognostic complications of ERCP.
    Type of Medium: Online Resource
    ISSN: 2525-2461
    URL: Issue
    Language: Unknown
    Publisher: Ministry of Science and Technology, Vietnam (VMOST)
    Publication Date: 2018
    detail.hit.zdb_id: 3145662-5
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  • 6
    In: Journal of Medicine and Pharmacy, Hue University of Medicine and Pharmacy
    Abstract: Purpose: Analysis about disease, technical characteristics of 17 right colon cancer patients underwent conversion to laparotomy from single port laparoscopic surgery and propose related factors for indications. Methold: Consist of 17 colon cancer patients, who were conversion to laparotomy from single port laparoscopic colectomy at Hue Central Hospital from october 2010 to august 2014. Results: Mean age 61.3±14.2 years, rate male/female 11/6. Tumor invasion: T2 11.8%, T3 58.8%, T4 29.4%. Mean tumor size on CT 6.5±2.2cm. The causes of conversion: very big tumors 29.4%, invasive-adhesive tumors 47.1%, extended surgery 23.5%. Open procedures: right hemicolectomy 70.6%, right hemicolectomy plus cholecystectomy 5.9%, right hemicolectomy plus wedge-shape duodenectomy 11.8%, right hemicolectomy plus intestinal segmentectomy 5.9% and right hemicolectomy plus low-anterior rectal resection, hysterectomy 5.9%. Conclusion: Conversion to laparotomy from single port laparoscopic colectomy is necessary for very big tumors, excessive tumor adhesions and exceed the technical limitations of laparoscopic dissection. Key words: Single incision laparoscopic colectomy (SILC), single port laparoscopic colectomy (SILC), conversion to laparotomy.
    Type of Medium: Online Resource
    ISSN: 1859-3836
    Language: Vietnamese
    Publisher: Hue University of Medicine and Pharmacy
    Publication Date: 2014
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  • 7
    Online Resource
    Online Resource
    Ministry of Science and Technology, Vietnam (VMOST) ; 2017
    In:  Vietnam Journal of Science, Technology and Engineering Vol. 59, No. 4 ( 2017-12-30), p. 42-46
    In: Vietnam Journal of Science, Technology and Engineering, Ministry of Science and Technology, Vietnam (VMOST), Vol. 59, No. 4 ( 2017-12-30), p. 42-46
    Abstract: Objectives: The evaluation of feasibility, safety, and outcomes of single port laparoscopic colectomy (SPLC) for colonic cancer. Prospective study of 114 patients with colonic cancer (84 right side, 17 left side, and 13 sigmoid colon) who underwent SPLC between October 2010 and October 2016 in Hue Central Hospital. Results: Mean age of patients was 56.1±15.2 (25-87 years), male/female ratio was 70/44. Mean BMI was 23.5±2.2 kg/m2. Procedures included 84 right hemi-colectomies (73.7%), 17 left hemi-colectomies (14.9%), and 13 sigmoidectomies (11.4%). Six cases required additional ports, and 19 were converted to open surgery. Mean tumor size was 3.7±2.7 cm. Stage I: 6.1%; stage IIa: 43.9%; stage IIIa: 36.8%; and stage IIIc: 13.2%. Mean operation time was 160.5±75.5 min. There had been no deaths/intraoperative complications. Mean incisional length (including extraction) was 5.5±2.2 cm. Mean lymph nodes was 16.2±4.5. Mean hospital stay was 7.5±6.1 days. The surgical site infection rate was 3.5%, and 1 patient required reoperation (anastomotic leakage: 0.9%). After 32.2±7.5 (3-65 months) follow-up, there were no late surgical complication, incisional hernia, or incision metastasis. There were five local recurrences, and three patients developed liver metastasis in the open conversion group. The overall survival time after 2 years was 87.5%, and after 5 years, it was 59.4% (Kaplan-Meier). Conclusion: SPLC is feasible and safe procedure for the treatment of colon cancer. The cosmetic value is better (short incision confounded by umbilicus). Other outcomes were equivalent to conventional laparoscopy.
    Type of Medium: Online Resource
    ISSN: 2525-2461
    URL: Issue
    Language: Unknown
    Publisher: Ministry of Science and Technology, Vietnam (VMOST)
    Publication Date: 2017
    detail.hit.zdb_id: 3145662-5
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  • 8
    Online Resource
    Online Resource
    Vietnam Association for Surgery and Endolaparosurgery ; 2018
    In:  Vietnam Journal of Endolaparoscopic Surgery Vol. 8, No. 4 ( 2018-9-10)
    In: Vietnam Journal of Endolaparoscopic Surgery, Vietnam Association for Surgery and Endolaparosurgery, Vol. 8, No. 4 ( 2018-9-10)
    Abstract: Abstract Introduction: Patients with middle-low rectal cancer in advanced stage had many difficulties in performing laparoscopic total mesorectal excision (TME), especially in those with narrow pelvis or obese with or without neoadjuvant therapy. We conducted the study of transanal TME (TaTME) for these patients to evaluate the safety and efficacity of this technique. Material and Methods: Prospective study. Patients with middle-low rectal cancer in advanced stage underwent rectal resection with TaTME technique were enrolled. Results: 38 patients including 25 middle and 13 low rectal tumors underwent elective rectal resection by TaTME from March 2015 to September 2018. Male/female ratio: 25/13. Mean age: 58.2 ± 16.4 and BMI: 24.2 ±2.5 kg/m2. Mean operation duration:210 ± 42 minutes. Specimen were removed through abdominal incision in 23 patients and 15 via anus. Anastomoses were performed by hands in 100% patients. The protective ileostomie was performed 100%. One left ureteral burning and postoperative difficulty in voiding, one presacral abscess due to anastomotic fistula and one totally leakage of the anastomose. Good Quirke assessment in 87% patients. The distal resection margins (DRM) was 20 ± 5 mm. Distal resection margins (DRM) were negative in 100% patients and circumferential resection margins (CRM) were positive in one (2.6%) patients. The hospital stay was 6 days. Median follow-up time was 12 months. One patient had local recurrence at 18th months and 1 had liver metastasis at 6th months. Conclusion: TaTME for patients with middle-low rectal cancer in advanced stage is safe and efficacious. However, there is a need for large, multicentric studies to accurately evaluate this technique.
    Type of Medium: Online Resource
    ISSN: 1859-4506
    URL: Issue
    URL: Issue
    Language: English
    Publisher: Vietnam Association for Surgery and Endolaparosurgery
    Publication Date: 2018
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  • 9
    Online Resource
    Online Resource
    The Japanese Society of Strategies for Cancer Research and Therapy ; 2021
    In:  Annals of Cancer Research and Therapy Vol. 29, No. 1 ( 2021-1-8), p. 68-72
    In: Annals of Cancer Research and Therapy, The Japanese Society of Strategies for Cancer Research and Therapy, Vol. 29, No. 1 ( 2021-1-8), p. 68-72
    Type of Medium: Online Resource
    ISSN: 1344-6835 , 1880-5469
    Language: English
    Publisher: The Japanese Society of Strategies for Cancer Research and Therapy
    Publication Date: 2021
    detail.hit.zdb_id: 2217374-2
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  • 10
    In: Cancer Investigation, Informa UK Limited, Vol. 41, No. 3 ( 2023-03-16), p. 232-248
    Type of Medium: Online Resource
    ISSN: 0735-7907 , 1532-4192
    Language: English
    Publisher: Informa UK Limited
    Publication Date: 2023
    detail.hit.zdb_id: 2043112-0
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