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Lai H, Yip HC, Gong Y, Chan KF, Leung KKC, Chan MS, Xia X, Chiu PWY. MFGE8 in exosomes derived from mesenchymal stem cells prevents esophageal stricture after endoscopic submucosal dissection in pigs. J Nanobiotechnology 2024; 22:143. [PMID: 38561800 PMCID: PMC10986023 DOI: 10.1186/s12951-024-02429-0] [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: 12/24/2023] [Accepted: 03/20/2024] [Indexed: 04/04/2024] Open
Abstract
BACKGROUND Endoscopic submucosal dissection (ESD) is the current standard treatment for early-stage esophageal neoplasms. However, the postoperative esophageal stricture after extensive mucosal dissection remains a severe challenge with limited effective treatments available. In this study, we introduced a chitosan/gelatin (ChGel) sponge encapsulating the adipose mesenchymal stem cells (ADMSCs)-derived exosomes (ChGelMSC-Exo) for the prevention of esophageal stenosis after ESD in a porcine model. RESULTS Pigs were randomly assigned into (1) ChGelMSC-Exo treatment group, (2) ChGelPBS group, and (3) the controls. Exosome treatments were applied immediately on the day after ESD as well as on day 7. Exosome components crucial for wound healing were investigated by liquid chromatography-tandem mass spectrometry (LC-MS/MS) and small RNA sequencing. ChGelMSC-Exo treatment significantly reduced mucosal contraction on day 21, with less fiber accumulation and inflammatory infiltration, and enhanced angiogenesis when compared with the control and ChGelPBS groups. The anti-fibrotic effects following MSC-Exo treatment were further found to be associated with the anti-inflammatory M2 polarization of the resident macrophages, especially within the M2b subset characterized by the reduced TGFβ1 secretion, which sufficiently inhibited inflammation and prevented the activation of myofibroblast with less collagen production at the early stage after ESD. Moreover, the abundant expression of exosomal MFGE8 was identified to be involved in the transition of the M2b-macrophage subset through the activation of MFGE8/STAT3/Arg1 axis. CONCLUSIONS Our study demonstrates that exosomal MFGE8 significantly promotes the polarization of the M2b-macrophage subset, consequently reducing collagen deposition. These findings suggest a promising potential for MSC-Exo therapy in preventing the development of esophageal stricture after near-circumferential ESD.
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Affiliation(s)
- Huasheng Lai
- Department of Gastroenterology and Hepatology, Guangzhou Key Laboratory of Digestive Diseases, Guangzhou Digestive Disease Center, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, 510180, People's Republic of China
- Department of Surgery and State Key Laboratory of Digestive Disease, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR, 999077, People's Republic of China
| | - Hon-Chi Yip
- Department of Surgery and State Key Laboratory of Digestive Disease, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR, 999077, People's Republic of China
| | - Yu Gong
- Department of Endoscopy, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, 510060, People's Republic of China
| | - Kai-Fung Chan
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Hong Kong SAR, 999077, People's Republic of China
- Chow Yuk Ho Technology Center for Innovative Medicine, The Chinese University of Hong Kong, Hong Kong SAR, 999077, People's Republic of China
| | - Kevin Kai-Chung Leung
- Department of Surgery and State Key Laboratory of Digestive Disease, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR, 999077, People's Republic of China
| | - Melissa Shannon Chan
- Department of Surgery and State Key Laboratory of Digestive Disease, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR, 999077, People's Republic of China
| | - Xianfeng Xia
- Department of Surgery and State Key Laboratory of Digestive Disease, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR, 999077, People's Republic of China.
- Department of Endoscopy, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, 510060, People's Republic of China.
- Chow Yuk Ho Technology Center for Innovative Medicine, The Chinese University of Hong Kong, Hong Kong SAR, 999077, People's Republic of China.
| | - Philip Wai-Yan Chiu
- Department of Surgery and State Key Laboratory of Digestive Disease, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR, 999077, People's Republic of China.
- Chow Yuk Ho Technology Center for Innovative Medicine, The Chinese University of Hong Kong, Hong Kong SAR, 999077, People's Republic of China.
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Lau LHS, Ho JCL, Lai JCT, Ho AHY, Wu CWK, Lo VWH, Lai CMS, Scheppach MW, Sia F, Ho KHK, Xiao X, Yip TCF, Lam TYT, Kwok HYH, Chan HCH, Lui RN, Chan TT, Wong MTL, Ho MF, Ko RCW, Hon SF, Chu S, Futaba K, Ng SSM, Yip HC, Tang RSY, Wong VWS, Chan FKL, Chiu PWY. Effect of Real-Time Computer-Aided Polyp Detection System (ENDO-AID) on Adenoma Detection in Endoscopists-in-Training: A Randomized Trial. Clin Gastroenterol Hepatol 2024; 22:630-641.e4. [PMID: 37918685 DOI: 10.1016/j.cgh.2023.10.019] [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] [Received: 07/17/2023] [Revised: 10/12/2023] [Accepted: 10/19/2023] [Indexed: 11/04/2023]
Abstract
BACKGROUND The effect of computer-aided polyp detection (CADe) on adenoma detection rate (ADR) among endoscopists-in-training remains unknown. METHODS We performed a single-blind, parallel-group, randomized controlled trial in Hong Kong between April 2021 and July 2022 (NCT04838951). Eligible subjects undergoing screening/surveillance/diagnostic colonoscopies were randomized 1:1 to receive colonoscopies with CADe (ENDO-AID[OIP-1]) or not (control) during withdrawal. Procedures were performed by endoscopists-in-training with <500 procedures and <3 years' experience. Randomization was stratified by patient age, sex, and endoscopist experience (beginner vs intermediate level, <200 vs 200-500 procedures). Image enhancement and distal attachment devices were disallowed. Subjects with incomplete colonoscopies or inadequate bowel preparation were excluded. Treatment allocation was blinded to outcome assessors. The primary outcome was ADR. Secondary outcomes were ADR for different adenoma sizes and locations, mean number of adenomas, and non-neoplastic resection rate. RESULTS A total of 386 and 380 subjects were randomized to CADe and control groups, respectively. The overall ADR was significantly higher in the CADe group than in the control group (57.5% vs 44.5%; adjusted relative risk, 1.41; 95% CI, 1.17-1.72; P < .001). The ADRs for <5 mm (40.4% vs 25.0%) and 5- to 10-mm adenomas (36.8% vs 29.2%) were higher in the CADe group. The ADRs were higher in the CADe group in both the right colon (42.0% vs 30.8%) and left colon (34.5% vs 27.6%), but there was no significant difference in advanced ADR. The ADRs were higher in the CADe group among beginner (60.0% vs 41.9%) and intermediate-level (56.5% vs 45.5%) endoscopists. Mean number of adenomas (1.48 vs 0.86) and non-neoplastic resection rate (52.1% vs 35.0%) were higher in the CADe group. CONCLUSIONS Among endoscopists-in-training, the use of CADe during colonoscopies was associated with increased overall ADR. (ClinicalTrials.gov, Number: NCT04838951).
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Affiliation(s)
- Louis H S Lau
- Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR; Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR; State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong SAR
| | - Jacky C L Ho
- Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR
| | - Jimmy C T Lai
- Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR
| | - Agnes H Y Ho
- Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR
| | - Claudia W K Wu
- Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR
| | - Vincent W H Lo
- Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR
| | - Carol M S Lai
- Department of Surgery, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR
| | - Markus W Scheppach
- Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR; Gastroenterology, Faculty of Medicine, University of Augsburg, Augsburg, Germany
| | - Felix Sia
- Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR
| | - Kyle H K Ho
- Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR
| | - Xiang Xiao
- Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR; Medical Data Analytic Centre, The Chinese University of Hong Kong, Hong Kong SAR
| | - Terry C F Yip
- Medical Data Analytic Centre, The Chinese University of Hong Kong, Hong Kong SAR
| | - Thomas Y T Lam
- Stanley Ho Big Data Decision Analytics Research Centre, The Chinese University of Hong Kong, Hong Kong SAR
| | - Hanson Y H Kwok
- Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR
| | - Heyson C H Chan
- Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR
| | - Rashid N Lui
- Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR
| | - Ting-Ting Chan
- Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR
| | - Marc T L Wong
- Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR
| | - Man-Fung Ho
- Department of Surgery, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR
| | - Rachel C W Ko
- Department of Surgery, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR
| | - Sok-Fei Hon
- Department of Surgery, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR
| | - Simon Chu
- Department of Surgery, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR
| | - Koari Futaba
- Department of Surgery, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR
| | - Simon S M Ng
- Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR; Department of Surgery, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR
| | - Hon-Chi Yip
- Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR; Department of Surgery, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR
| | - Raymond S Y Tang
- Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR; Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR; State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong SAR
| | - Vincent W S Wong
- Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR; Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR; State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong SAR
| | - Francis K L Chan
- Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR; Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR; State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong SAR
| | - Philip W Y Chiu
- Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR; Department of Surgery, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR.
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Cao J, Yip HC, Chen Y, Scheppach M, Luo X, Yang H, Cheng MK, Long Y, Jin Y, Chiu PWY, Yam Y, Meng HML, Dou Q. Intelligent surgical workflow recognition for endoscopic submucosal dissection with real-time animal study. Nat Commun 2023; 14:6676. [PMID: 37865629 PMCID: PMC10590425 DOI: 10.1038/s41467-023-42451-8] [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] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 10/11/2023] [Indexed: 10/23/2023] Open
Abstract
Recent advancements in artificial intelligence have witnessed human-level performance; however, AI-enabled cognitive assistance for therapeutic procedures has not been fully explored nor pre-clinically validated. Here we propose AI-Endo, an intelligent surgical workflow recognition suit, for endoscopic submucosal dissection (ESD). Our AI-Endo is trained on high-quality ESD cases from an expert endoscopist, covering a decade time expansion and consisting of 201,026 labeled frames. The learned model demonstrates outstanding performance on validation data, including cases from relatively junior endoscopists with various skill levels, procedures conducted with different endoscopy systems and therapeutic skills, and cohorts from international multi-centers. Furthermore, we integrate our AI-Endo with the Olympus endoscopic system and validate the AI-enabled cognitive assistance system with animal studies in live ESD training sessions. Dedicated data analysis from surgical phase recognition results is summarized in an automatically generated report for skill assessment.
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Affiliation(s)
- Jianfeng Cao
- Department of Computer Science and Engineering, The Chinese University of Hong Kong, Hong Kong, China
| | - Hon-Chi Yip
- Department of Surgery, The Chinese University of Hong Kong, Hong Kong, China.
| | - Yueyao Chen
- Department of Computer Science and Engineering, The Chinese University of Hong Kong, Hong Kong, China
| | - Markus Scheppach
- Internal Medicine III-Gastroenterology, University Hospital of Augsburg, Augsburg, Germany
| | - Xiaobei Luo
- Guangdong Provincial Key Laboratory of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Hongzheng Yang
- Department of Computer Science and Engineering, The Chinese University of Hong Kong, Hong Kong, China
| | - Ming Kit Cheng
- Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Hong Kong, China
| | - Yonghao Long
- Department of Computer Science and Engineering, The Chinese University of Hong Kong, Hong Kong, China
| | - Yueming Jin
- Department of Biomedical Engineering, National University of Singapore, Singapore, Singapore
| | - Philip Wai-Yan Chiu
- Multi-scale Medical Robotics Center and The Chinese University of Hong Kong, Hong Kong, China.
| | - Yeung Yam
- Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Hong Kong, China.
- Multi-scale Medical Robotics Center and The Chinese University of Hong Kong, Hong Kong, China.
- Centre for Perceptual and Interactive Intelligence and The Chinese University of Hong Kong, Hong Kong, China.
| | - Helen Mei-Ling Meng
- Centre for Perceptual and Interactive Intelligence and The Chinese University of Hong Kong, Hong Kong, China.
| | - Qi Dou
- Department of Computer Science and Engineering, The Chinese University of Hong Kong, Hong Kong, China.
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Chiu PWY, Yue GGL, Cheung MK, Yip HC, Chu SK, Yung MY, Wu JCY, Chan SM, Teoh AYB, Ng EKW, Norimoto H, Lau CBS. The effect of Andrographis paniculata water extract on palliative management of metastatic esophageal squamous cell carcinoma-A phase II clinical trial. Phytother Res 2023; 37:3438-3452. [PMID: 37042309 DOI: 10.1002/ptr.7815] [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: 08/06/2022] [Revised: 03/13/2023] [Accepted: 03/18/2023] [Indexed: 04/13/2023]
Abstract
Patients with metastatic esophageal squamous cell carcinoma (ESCC) have a grave prognosis with limited life expectancy. Here, a phase II clinical trial was conducted to investigate the effect of Andrographis paniculata (AP) on the palliative care of patients with metastatic ESCC. Patients with metastatic or locally advanced ESCC deemed unfit for surgery, and who have already completed palliative chemotherapy or chemoradiotherapy or are not fit for these treatments, were recruited. These patients were prescribed AP concentrated granules for 4 months. They also received clinical and quality of life assessments for clinical response, as well as positron emission tomography-computed tomography at 3 and 6 months after AP treatment for the assessment of tumor volume. Furthermore, the change in gut microbiota composition after AP treatment was studied. From the results, among the 30 recruited patients, 10 completed the entire course of AP treatment, while 20 received partial AP treatment. Patients who completed the AP treatment achieved significantly longer overall survival periods with the maintenance of the quality of life during the survival period when compared to those who could not complete AP treatment. The treatment effect of AP also contributed to the shift of the overall structure of gut microbiota for ESCC patients towards those of healthy individuals. The significance of this study is the establishment of AP as a safe and effective palliative treatment for patients with squamous cell carcinoma of the esophagus. To the best of our knowledge, this is the first clinical trial of AP water extract in esophageal cancer patients demonstrating its new medicinal use.
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Affiliation(s)
- Philip Wai-Yan Chiu
- Division of Upper GI and Metabolic Surgery, Department of Surgery, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong
- Institute of Digestive Disease and State Key Laboratory of Digestive Diseases, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Grace Gar-Lee Yue
- Institute of Chinese Medicine and State Key Laboratory of Research on Bioactivities and Clinical Applications of Medicinal Plants, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong
| | - Man Kit Cheung
- Division of Upper GI and Metabolic Surgery, Department of Surgery, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Hon-Chi Yip
- Division of Upper GI and Metabolic Surgery, Department of Surgery, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong
- Institute of Digestive Disease and State Key Laboratory of Digestive Diseases, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Siu-Kai Chu
- Nong's, PuraPharm Corporation Limited, Tai Po, Hong Kong
| | - Man-Yee Yung
- Division of Upper GI and Metabolic Surgery, Department of Surgery, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong
- Institute of Digestive Disease and State Key Laboratory of Digestive Diseases, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Justin Che-Yuen Wu
- Institute of Digestive Disease and State Key Laboratory of Digestive Diseases, The Chinese University of Hong Kong, Shatin, Hong Kong
- Division of Gastroenterology and Hepatology, Department of Medicine & Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Shannon Melissa Chan
- Division of Upper GI and Metabolic Surgery, Department of Surgery, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong
- Institute of Digestive Disease and State Key Laboratory of Digestive Diseases, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Anthony Yuen-Bun Teoh
- Division of Upper GI and Metabolic Surgery, Department of Surgery, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong
- Institute of Digestive Disease and State Key Laboratory of Digestive Diseases, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Enders Kwok-Wai Ng
- Division of Upper GI and Metabolic Surgery, Department of Surgery, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong
- Institute of Digestive Disease and State Key Laboratory of Digestive Diseases, The Chinese University of Hong Kong, Shatin, Hong Kong
| | | | - Clara Bik-San Lau
- Institute of Chinese Medicine and State Key Laboratory of Research on Bioactivities and Clinical Applications of Medicinal Plants, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong
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Iwagami H, Uedo N, Yip HC, Shichijo S, Kanesaka T, Maekawa A, Yamamoto S, Higashino K, Takeuchi Y, Ishihara R, Nakatsuka SI. Ultra-magnifying narrow-band imaging for endoscopic diagnosis of gastric intestinal metaplasia: a pilot image analysis study. Endosc Int Open 2021; 9:E522-E529. [PMID: 33816772 PMCID: PMC7969138 DOI: 10.1055/a-1352-2500] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Accepted: 11/24/2020] [Indexed: 12/15/2022] Open
Abstract
Background and study aims Narrow-band imaging (NBI) with or without magnification has recently been used for diagnosis of gastric intestinal metaplasia (GIM). Endocytoscopy is a newly developed endoscopic technique that enables ultra-high (500 ×) magnification of the digestive tract mucosa. This study aimed to analyze the ultra-magnifying NBI characteristics of GIM. Patients and methods This was a retrospective observational study conducted in a cancer referral center. Patients who underwent ultra-magnifying NBI of the gastric mucosa using endocytoscopy were eligible. A soft black cap was used for non-contact observation. We compared the characteristic findings of GIM by ultra-magnifying NBI of metaplastic and non-metaplastic mucosae. A reference standard for GIM in this study was conventional magnifying NBI findings of GIM. Results We obtained 28 images of metaplastic mucosa and 32 of non-metaplastic mucosa from 38 patients. Ultra-magnifying NBI revealed the cobblestone-like cellular structure in the marginal crypt epithelium of metaplastic and non-metaplastic mucosa. Diagnostic values (sensitivity, specificity, accuracy and kappa value [95 % confidence interval]) for the heterogeneous cellular structure and rough contour of the marginal crypt epithelium were 82 % (68 %-96 %), 94 % (85 %-100 %), 88 % (80 %-96 %), and 0.70, and 86 % (73 %-99 %), 94 % (85 %-100 %), 90 % (82 %-98 %), and 0.71, respectively. Conclusions The characteristic ultrastructural features of GIM were identified by ultra-magnifying NBI, warranting validation of diagnostic value in a prospective study.
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Affiliation(s)
- Hiroyoshi Iwagami
- Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - Noriya Uedo
- Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - Hon-Chi Yip
- Division of Upper Gastro-intestinal and Metabolic Surgery, Department of Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China
| | - Satoki Shichijo
- Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - Takashi Kanesaka
- Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - Akira Maekawa
- Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - Sachiko Yamamoto
- Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - Koji Higashino
- Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - Yoji Takeuchi
- Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - Ryu Ishihara
- Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - Shin-ichi Nakatsuka
- Department of Diagnostic Pathology and Cytology, Osaka International Cancer Institute, Osaka, Japan
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Chiu PWY, de Groot EM, Yip HC, Egberts JH, Grimminger P, Seto Y, Uyama I, van der Sluis PC, Stein H, Sallum R, Ruurda JP, van Hillegersberg R. Robot-assisted cervical esophagectomy: first clinical experiences and review of the literature. Dis Esophagus 2020; 33:5863451. [PMID: 33241301 DOI: 10.1093/dote/doaa052] [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: 05/01/2020] [Accepted: 05/22/2020] [Indexed: 12/11/2022]
Abstract
Pulmonary complications, and especially pneumonia, remain one of the most common complications after esophagectomy for esophageal cancer. These complications are reduced by minimally invasive techniques or by avoiding thoracic access through a transhiatal approach. However, a transhiatal approach does not allow for a full mediastinal lymphadenectomy. A transcervical mediastinal esophagectomy avoids thoracic access, which may contribute to a decrease in pulmonary complications after esophagectomy. In addition, this technique allows for a full mediastinal lymphadenectomy. A number of pioneering studies have been published on this topic. Here, the initial experience is presented as well as a review of the current literature concerning transcervical esophagectomy, with a focus on the robot-assisted cervical esophagectomy procedure.
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Affiliation(s)
- Philip Wai-Yan Chiu
- Division of Upper GI and Metabolic Surgery, Department of Surgery, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | | | - Hon-Chi Yip
- Division of Upper GI and Metabolic Surgery, Department of Surgery, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Jan-Hendrik Egberts
- Department for General, Visceral-, Thoracic-, Transplantation-, and Pediatric Surgery, University Hospital Schleswig Holstein, Kiel, Germany
| | - Peter Grimminger
- Department for General, Visceral-, Transplant Surgery, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Yasuyuki Seto
- Department of Gastrointestinal Surgery, The University of Tokyo Hospital, Tokyo, Japan
| | - Ichiro Uyama
- Department of Surgery, Fujita Health University, Toyoake, Japan
| | | | - Hubert Stein
- Department of Global Clinical Development, Intuitive Surgical Inc., Sunnyvale CA, USA
| | - Rubens Sallum
- Departament of Gastroenterological Surgery, University of São Paulo, São Paulo, Brazil
| | - Jelle P Ruurda
- Department of Surgery, University Medical Center Utrecht, Utrecht, The Netherlands
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7
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Lau JYW, Yu Y, Tang RSY, Chan HCH, Yip HC, Chan SM, Luk SWY, Wong SH, Lau LHS, Lui RN, Chan TT, Mak JWY, Chan FKL, Sung JJY. Timing of Endoscopy for Acute Upper Gastrointestinal Bleeding. N Engl J Med 2020; 382:1299-1308. [PMID: 32242355 DOI: 10.1056/nejmoa1912484] [Citation(s) in RCA: 146] [Impact Index Per Article: 36.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
BACKGROUND It is recommended that patients with acute upper gastrointestinal bleeding undergo endoscopy within 24 hours after gastroenterologic consultation. The role of endoscopy performed within time frames shorter than 24 hours has not been adequately defined. METHODS To evaluate whether urgent endoscopy improves outcomes in patients predicted to be at high risk for further bleeding or death, we randomly assigned patients with overt signs of acute upper gastrointestinal bleeding and a Glasgow-Blatchford score of 12 or higher (scores range from 0 to 23, with higher scores indicating a higher risk of further bleeding or death) to undergo endoscopy within 6 hours (urgent-endoscopy group) or between 6 and 24 hours (early-endoscopy group) after gastroenterologic consultation. The primary end point was death from any cause within 30 days after randomization. RESULTS A total of 516 patients were enrolled. The 30-day mortality was 8.9% (23 of 258 patients) in the urgent-endoscopy group and 6.6% (17 of 258) in the early-endoscopy group (difference, 2.3 percentage points; 95% confidence interval [CI], -2.3 to 6.9). Further bleeding within 30 days occurred in 28 patients (10.9%) in the urgent-endoscopy group and in 20 (7.8%) in the early-endoscopy group (difference, 3.1 percentage points; 95% CI, -1.9 to 8.1). Ulcers with active bleeding or visible vessels were found on initial endoscopy in 105 of the 158 patients (66.4%) with peptic ulcers in the urgent-endoscopy group and in 76 of 159 (47.8%) in the early-endoscopy group. Endoscopic hemostatic treatment was administered at initial endoscopy for 155 patients (60.1%) in the urgent-endoscopy group and for 125 (48.4%) in the early-endoscopy group. CONCLUSIONS In patients with acute upper gastrointestinal bleeding who were at high risk for further bleeding or death, endoscopy performed within 6 hours after gastroenterologic consultation was not associated with lower 30-day mortality than endoscopy performed between 6 and 24 hours after consultation. (Funded by the Health and Medical Fund of the Food and Health Bureau, Government of Hong Kong Special Administrative Region; ClinicalTrials.gov number, NCT01675856.).
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Affiliation(s)
- James Y W Lau
- From the Institute of Digestive Disease, the Chinese University of Hong Kong, Shatin, Hong Kong
| | - Yuanyuan Yu
- From the Institute of Digestive Disease, the Chinese University of Hong Kong, Shatin, Hong Kong
| | - Raymond S Y Tang
- From the Institute of Digestive Disease, the Chinese University of Hong Kong, Shatin, Hong Kong
| | - Heyson C H Chan
- From the Institute of Digestive Disease, the Chinese University of Hong Kong, Shatin, Hong Kong
| | - Hon-Chi Yip
- From the Institute of Digestive Disease, the Chinese University of Hong Kong, Shatin, Hong Kong
| | - Shannon M Chan
- From the Institute of Digestive Disease, the Chinese University of Hong Kong, Shatin, Hong Kong
| | - Sally W Y Luk
- From the Institute of Digestive Disease, the Chinese University of Hong Kong, Shatin, Hong Kong
| | - Sunny H Wong
- From the Institute of Digestive Disease, the Chinese University of Hong Kong, Shatin, Hong Kong
| | - Louis H S Lau
- From the Institute of Digestive Disease, the Chinese University of Hong Kong, Shatin, Hong Kong
| | - Rashid N Lui
- From the Institute of Digestive Disease, the Chinese University of Hong Kong, Shatin, Hong Kong
| | - Ting T Chan
- From the Institute of Digestive Disease, the Chinese University of Hong Kong, Shatin, Hong Kong
| | - Joyce W Y Mak
- From the Institute of Digestive Disease, the Chinese University of Hong Kong, Shatin, Hong Kong
| | - Francis K L Chan
- From the Institute of Digestive Disease, the Chinese University of Hong Kong, Shatin, Hong Kong
| | - Joseph J Y Sung
- From the Institute of Digestive Disease, the Chinese University of Hong Kong, Shatin, Hong Kong
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8
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Zhang R, Lau LHS, Wu PIC, Yip HC, Wong SH. Endoscopic Diagnosis and Treatment of Esophageal Squamous Cell Carcinoma. Methods Mol Biol 2020; 2129:47-62. [PMID: 32056169 DOI: 10.1007/978-1-0716-0377-2_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] [Indexed: 02/07/2023]
Abstract
Esophageal squamous cell carcinoma (ESCC) is a deadly disease, partly because it is often diagnosed late in disease stage. An accurate early diagnosis by endoscopy could detect advanced carcinoma as well as curable dysplasia and early ESCC. This could save patients from incurable advanced malignancy. Important progress has been made in high-quality endoscopic diagnosis, including magnifying endoscopy, narrowband imaging, and other image enhancement, as well as in techniques in endoscopic resection. These emerging techniques will aid the early diagnosis of ESCC that lead to higher chance of curing the cancer.
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Affiliation(s)
- Ru Zhang
- Division of Gastroenterology and Hepatology, Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China.,Division of Gastroenterology, Department of Medicine, Shenzhen People's Hospital, Shenzhen, China
| | - Louis H S Lau
- Division of Gastroenterology and Hepatology, Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Peter I C Wu
- Department of Gastroenterology and Hepatology, St George Hospital, University of New South Wales, Sydney, NSW, Australia
| | - Hon-Chi Yip
- Division of Upper Gastrointestinal and Metabolic Surgery, Department of Surgery, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Sunny H Wong
- Division of Gastroenterology and Hepatology, Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China.
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9
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Ngamruengphong S, Inoue H, Ujiki MB, Patel LY, Bapaye A, Desai PN, Dorwat S, Nakamura J, Hata Y, Balassone V, Onimaru M, Ponchon T, Pioche M, Roman S, Rivory J, Mion F, Garros A, Draganov PV, Perbtani Y, Abbas A, Pannu D, Yang D, Perretta S, Romanelli J, Desilets D, Hayee B, Haji A, Hajiyeva G, Ismail A, Chen YI, Bukhari M, Haito-Chavez Y, Kumbhari V, Saxena P, Talbot M, Chiu PWY, Yip HC, Wong VWY, Hernaez R, Maselli R, Repici A, Khashab MA. Efficacy and Safety of Peroral Endoscopic Myotomy for Treatment of Achalasia After Failed Heller Myotomy. Clin Gastroenterol Hepatol 2017; 15:1531-1537.e3. [PMID: 28189695 DOI: 10.1016/j.cgh.2017.01.031] [Citation(s) in RCA: 96] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2016] [Revised: 01/21/2017] [Accepted: 01/23/2017] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS In patients with persistent symptoms after Heller myotomy (HM), treatment options include repeat HM, pneumatic dilation, or peroral endoscopic myotomy (POEM). We evaluated the efficacy and safety of POEM in patients with achalasia with prior HM vs without prior HM. METHODS We conducted a retrospective cohort study of 180 patients with achalasia who underwent POEM at 13 tertiary centers worldwide, from December 2009 through September 2015. Patients were divided into 2 groups: those with prior HM (HM group, exposure; n = 90) and those without prior HM (non-HM group; n = 90). Clinical response was defined by a decrease in Eckardt scores to 3 or less. Adverse events were graded according to criteria set by the American Society for Gastrointestinal Endoscopy. Technical success, clinical success, and rates of adverse events were compared between groups. Patients were followed up for a median of 8.5 months. RESULTS POEM was technically successful in 98% of patients in the HM group and in 100% of patients in the non-HM group (P = .49). A significantly lower proportion of patients in the HM group had a clinical response to POEM (81%) than in the non-HM group (94%; P = .01). There were no significant differences in rates of adverse events between the groups (8% in the HM group vs 13% in the non-HM group; P = .23). Symptomatic reflux and reflux esophagitis after POEM were comparable between groups. CONCLUSIONS POEM is safe and effective for patients with achalasia who were not treated successfully by prior HM. Although the rate of clinical success in patients with prior HM is lower than in those without prior HM, the safety profile of POEM is comparable between groups.
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Affiliation(s)
- Saowanee Ngamruengphong
- Division of Gastroenterology and Hepatology, The Johns Hopkins Medical Institutions, Baltimore, Maryland
| | - Haruhiro Inoue
- Digestive Diseases Center, Showa University Koto-Toyosu Hospital, Tokyo, Japan
| | - Michael B Ujiki
- Department of Surgery, NorthShore University HealthSystem, Evanston, Illinois
| | - Lava Y Patel
- Department of Surgery, NorthShore University HealthSystem, Evanston, Illinois
| | - Amol Bapaye
- Shivanand Desai Center for Digestive Disorders, Deenanath Mangeshkar Hospital and Research Center, Pune, India
| | | | - Shivangi Dorwat
- Shivanand Desai Center for Digestive Disorders, Deenanath Mangeshkar Hospital and Research Center, Pune, India
| | - Jun Nakamura
- Digestive Diseases Center, Showa University Koto-Toyosu Hospital, Tokyo, Japan
| | - Yoshitaka Hata
- Digestive Diseases Center, Showa University Koto-Toyosu Hospital, Tokyo, Japan
| | - Valerio Balassone
- Digestive Diseases Center, Showa University Koto-Toyosu Hospital, Tokyo, Japan
| | - Manabu Onimaru
- Digestive Diseases Center, Showa University Koto-Toyosu Hospital, Tokyo, Japan
| | - Thierry Ponchon
- Gastroenterology and Endoscopy Unit, Digestive Disease Department, L Pavillon-Edouard Herriot Hospital, Lyon, France
| | - Mathieu Pioche
- Gastroenterology and Endoscopy Unit, Digestive Disease Department, L Pavillon-Edouard Herriot Hospital, Lyon, France
| | - Sabine Roman
- Université de Lyon and Hospices Civils de Lyon, Digestive Physiology, E Herriot Hospital, Lyon, France; INSERM U1032, Lyon, France
| | - Jérôme Rivory
- Gastroenterology and Endoscopy Unit, Digestive Disease Department, L Pavillon-Edouard Herriot Hospital, Lyon, France
| | - François Mion
- Université de Lyon and Hospices Civils de Lyon, Digestive Physiology, E Herriot Hospital, Lyon, France; INSERM U1032, Lyon, France
| | - Aurélien Garros
- Université de Lyon and Hospices Civils de Lyon, Digestive Physiology, E Herriot Hospital, Lyon, France; INSERM U1032, Lyon, France
| | - Peter V Draganov
- Division of Gastroenterology and Hepatology and Nutrition, University of Florida College of Medicine, Gainesville, Florida
| | - Yaseen Perbtani
- Division of Gastroenterology and Hepatology and Nutrition, University of Florida College of Medicine, Gainesville, Florida
| | - Ali Abbas
- Division of Gastroenterology and Hepatology and Nutrition, University of Florida College of Medicine, Gainesville, Florida
| | - Davinderbir Pannu
- Division of Gastroenterology and Hepatology and Nutrition, University of Florida College of Medicine, Gainesville, Florida
| | - Dennis Yang
- Division of Gastroenterology and Hepatology and Nutrition, University of Florida College of Medicine, Gainesville, Florida
| | - Silvana Perretta
- Department of Gastrointestinal and Endocrine Surgery, University of Strasbourg, Strasbourg, France
| | - John Romanelli
- Department of Surgery, Baystate Medical Center, Tufts University School of Medicine, Springfield, Massachusetts
| | - David Desilets
- Division of Gastroenterology, Department of Medicine, Baystate Medical Center, Tufts University School of Medicine, Springfield, Massachusetts
| | - Bu Hayee
- Department of Gastroenterology, King's College Hospital NHS Foundation Trust, London, United Kingdom
| | - Amyn Haji
- Department of Gastroenterology, King's College Hospital NHS Foundation Trust, London, United Kingdom
| | - Gulara Hajiyeva
- Division of Gastroenterology and Hepatology, The Johns Hopkins Medical Institutions, Baltimore, Maryland
| | - Amr Ismail
- Division of Gastroenterology and Hepatology, The Johns Hopkins Medical Institutions, Baltimore, Maryland
| | - Yen-I Chen
- Division of Gastroenterology and Hepatology, The Johns Hopkins Medical Institutions, Baltimore, Maryland
| | - Majidah Bukhari
- Division of Gastroenterology and Hepatology, The Johns Hopkins Medical Institutions, Baltimore, Maryland
| | - Yamile Haito-Chavez
- Division of Gastroenterology and Hepatology, The Johns Hopkins Medical Institutions, Baltimore, Maryland
| | - Vivek Kumbhari
- Division of Gastroenterology and Hepatology, The Johns Hopkins Medical Institutions, Baltimore, Maryland
| | - Payal Saxena
- Department of Gastroenterology, Royal Prince Alfred Hospital, Camperdown, Australia
| | - Michael Talbot
- University of New South Wales, Sydney, New South Wales, Australia
| | | | - Hon-Chi Yip
- Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong
| | | | - Ruben Hernaez
- Section of Gastroenterology and Hepatology, Department of Medicine, Baylor College of Medicine, Houston, Texas
| | - Roberta Maselli
- Digestive Endoscopy Unit, Humanitas Research Hospital, Milan, Italy Digestive Endoscopy Unit, Humanitas Unversity, Milan, Italy
| | - Alessandro Repici
- Digestive Endoscopy Unit, Humanitas Research Hospital, Milan, Italy Digestive Endoscopy Unit, Humanitas Unversity, Milan, Italy
| | - Mouen A Khashab
- Division of Gastroenterology and Hepatology, The Johns Hopkins Medical Institutions, Baltimore, Maryland.
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10
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Abstract
In recent years, diagnosis of early squamous cell carcinoma (SCC) of the esophagus has been increasingly emphasized. Utilization of image enhanced technology such as narrow band imaging (NBI) and magnification endoscopy allowed detailed examination of the esophageal mucosa. Different patterns of intrapapillary capillary loops (IPCL) have been proven to accurately diagnose and predict the depth of invasion of the tumors. In addition, the application of endoscopic submucosal dissection (ESD) has enabled safe en bloc resection of esophageal lesions. Promising results of ESD have been published and ESD is now the standard of therapy in early SCC of esophagus.
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Affiliation(s)
- Hon-Chi Yip
- Division of Upper Gastrointestinal and Metabolic Surgery, Department of Surgery, Prince of Wales Hospital, the Chinese University of Hong Kong, Hong Kong, China
| | - Philip Wai-Yan Chiu
- Division of Upper Gastrointestinal and Metabolic Surgery, Department of Surgery, Prince of Wales Hospital, the Chinese University of Hong Kong, Hong Kong, China
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11
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Affiliation(s)
- H C Yip
- Department of Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong SAR
| | - P W Y Chiu
- Department of Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong SAR
| | - E K W Ng
- Department of Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong SAR
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12
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Liu SYW, Ng SSM, Yip HC, Teoh AYB, Chiu PWY, Ng EKW. Migration of a percutaneous endoscopic gastrostomy tube into the transverse colon: a forgotten cause of refractory diarrhea. Endoscopy 2011; 42 Suppl 2:E324-5. [PMID: 21170830 DOI: 10.1055/s-0030-1255703] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Affiliation(s)
- S Y W Liu
- Department of Surgery, Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong
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13
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Yip HC, Karulin AY, Tary-Lehmann M, Hesse MD, Radeke H, Heeger PS, Trezza RP, Heinzel FP, Forsthuber T, Lehmann PV. Adjuvant-guided type-1 and type-2 immunity: infectious/noninfectious dichotomy defines the class of response. J Immunol 1999; 162:3942-9. [PMID: 10201913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
Traditionally, protein Ags have been injected in CFA (oil with inactivated mycobacteria) to induce immunity and with IFA (oil alone) to induce tolerance. We report here that injection of hen eggwhite lysozyme, a prototypic Ag, in CFA-induced and IFA-induced pools of hen eggwhite lysozyme-specific memory T cells of comparable fine specificity, clonal size, and avidity spectrum, but with type-1 and type-2 cytokine signatures, respectively. This adjuvant-guided induction of virtually unipolar type-1 and type-2 immunity was observed with seven protein Ags and in a total of six mouse strains. Highly polarized type-1 and type-2 immunity are thus readily achievable through the choice of adjuvant, irrespective of the genetic bias of the host and of the nature of the protein Ag. This finding should have far-reaching implications for the development of vaccines against infectious and autoimmune diseases. Furthermore, our demonstration that Ag injected with IFA is as strongly immunogenic for T cells as it is with CFA shows that the presence of the mycobacteria determines not the priming of naive T cells through the second-signal link but the path of downstream differentiation toward CD4 memory cells that express either type-1 or type-2 cytokines.
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Affiliation(s)
- H C Yip
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
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14
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Abstract
The neonatal period has been thought of as a window in ontogeny, during which the developing immune system is particularly susceptible to tolerization. In the present study, the classic system for induction of neonatal tolerance to protein antigens was reexamined in mice. The presumably tolerogenic protocol was found to trigger a vigorous T helper cell type 2 (TH2) immune response. Thus, neonatal "tolerization" induces immune deviation, not tolerance in the immunological sense. Neonates are not immune privileged but generate TH2 or TH1 responses, depending on the mode of immunization.
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Affiliation(s)
- T Forsthuber
- Department of Pathology, Case Western Reserve University, Cleveland, OH 44106-4943, USA
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