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3. Establishment of standards for the referral of large nonpedunculated colorectal polyps: an international expert consensus using a modified Delphi process

Author

Khalaf, Kareem, Seleq, Samir, Bourke, Michael J., Alkandari, Asma, Bapaye, Amol, Bechara, Robert, Calo, Natalia C., Fedorov, Evgeniy D., Hassan, Cesare, Kalauz, Mirjana, Kandel, Gabor P., Matsuda, Takahisa, May, Gary R., Mönkemüller, Klaus, Mosko, Jeffrey D., Ohno, Akiko, Pavic, Tajana, Pellisé, Maria, Raos, Zoe, Repici, Alessandro, Rex, Douglas K., Saxena, Payal, Schauer, Cameron, Sethi, Amrita, Sharma, Prateek, Shaukat, Aasma, Siddiqui, Uzma D., Singh, Rajvinder, Smith, Lesley-Ann, Tanabe, Mayo, Teshima, Christopher W., von Renteln, Daniel, Gimpaya, Nikko, Pawlak, Katarzyna M., Angeli Fujiyoshi, Mary Raina, Fujiyoshi, Yusuke, Lamba, Mehul, Li, Suqing, Malipatil, Sharan B., and Grover, Samir C.

Published
2024
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6. Western outcomes of circumferential endoscopic submucosal dissection for early esophageal squamous cell carcinoma

Author

Rodríguez de Santiago, Enrique, van Tilburg, Laurelle, Deprez, Pierre H., Pioche, Mathieu, Pouw, Roos E., Bourke, Michael J., Seewald, Stefan, Weusten, Bas L.A.M., Jacques, Jeremie, Leblanc, Sara, Barreiro, Pedro, Lemmers, Arnaud, Parra-Blanco, Adolfo, Küttner-Magalhães, Ricardo, Libânio, Diogo, Messmann, Helmut, Albéniz, Eduardo, Kaminski, Michal F., Mohammed, Noor, Ramos-Zabala, Felipe, Herreros-de-Tejada, Alberto, Huchima Koecklin, Hugo, Wallenhorst, Timothée, Santos-Antunes, João, Cunha Neves, João A., Koch, Arjun D., Ayari, Myriam, Garces-Duran, Rodrigo, Ponchon, Thierry, Rivory, Jérôme, Bergman, Jacques J.G.H.M., Verheij, Eva P.D., Gupta, Sunil, Groth, Stefan, Lepilliez, Vincent, Franco, Ana Rita, Belkhir, Sanaa, White, Jonathan, Ebigbo, Alanna, Probst, Andreas, Legros, Romain, Pilonis, Nastazja Dagny, de Frutos, Diego, Muñoz González, Raquel, and Dinis-Ribeiro, Mario

Published
2024
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8. International Delphi Consensus Study on disposable single-use endoscopy: A path to clinical adoption

Author

AABAKKEN, Lars, ABERE, Sarah, AKROUSH, Maisam W., AL-LEHIBI, Abed, ALBÉNIZ, Eduardo, ALKANDARI, Asma, ALMADI, Majid A., ANDERLONI, Andrea, BAPAYE, Amol, BERTRAND, Napoleon, BICK, Benjamin, BISSCHOPS, Raf, BOURKE, Michael J., BROWN, James F., BRUNO, Marco J., CHIU, Philip Wai Yan, CROAGH, Daniel, de MOURA, Eduardo Guimaraes Hourneaux, DENZER, Ulrike, EMURA, Fabian, FABBRI, Carlo, FEDOROV, Evgeny, FOCKENS, Paul, GABRIELLI, Armando, HAEFNER, Michael, HUCL, Tomas, IBRAHIM, Mostafa, IJOMA, Uchenna, KAFFES, Arthur, KASHIN, Sergey, KHASHAB, Mouen A., KHOR, Christopher, LALEMAN, Wim, LAW, Ryan, LOLLO, Gianluca, MAY, Gary R., DESALEGN MEKONNEN, Hailemichael, MOON, Jong H., MUSAH, Yusuf, MUTHUSAMY, V. Raman, MUTIGNANI, Massimiliano, MWACHIRO, Michael, NAVARRETE, Claudio, NEUHAUS, Horst, NIETO, Jose M., ONYIA, Chinwe, OYELEKE, Ganiyat Kikelomo, PEREZ-MIRANDA, Manuel, PONNUDURAI, Ryan, RAJU, Gottumukkala S., REDDY, D. Nageshwar, RÖSCH, Thomas, SAITO, Yutaka, SETHI, Amrita, SHARMA, Prateek, SIDDIQUI, Uzma D., TARANTINO, Ilaria, HOOFT, Jeanine VAN, WALLACE, Michael B., WEBSTER, George, YAHAGI, Naohisa, YUSOFF, Ian, Repici, Alessandro, Khalaf, Kareem, Troncone, Edoardo, Subramaniam, Sharmila, Hassan, Cesare, and Bhandari, Pradeep

Published
2024
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9. Prevalence of Endoscopically Curable Low-Risk Cancer Among Large (≥20 mm) Nonpedunculated Polyps in the Right Colon

Author

Gauci, Julia L., Whitfield, Anthony, Medas, Renato, Kerrison, Clarence, Mandarino, Francesco Vito, Gibson, David, O’Sullivan, Timothy, Cronin, Oliver, Gupta, Sunil, Lam, Brian, Perananthan, Varan, Hourigan, Luke, Zanati, Simon, Singh, Rajvinder, Raftopoulos, Spiro, Moss, Alan, Brown, Gregor, Klein, Amir, Desomer, Lobke, Tate, David J., Williams, Steven J., Lee, Eric Y., Burgess, Nicholas, and Bourke, Michael J.

Published
2024
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17. Factors Associated With Advanced Colorectal Neoplasia in Patients With CKD

Author

Au, Eric H., Wong, Germaine, Howard, Kirsten, Chapman, Jeremy R., Castells, Antoni, Roger, Simon D., Bourke, Michael J., Macaskill, Petra, Turner, Robin, Lim, Wai H., Lok, Charmaine E., Diekmann, Fritz, Cross, Nicholas, Sen, Shaundeep, Allen, Richard D., Chadban, Steven J., Pollock, Carol A., Tong, Allison, Teixeira-Pinto, Armando, Yang, Jean Y., Kieu, Anh, James, Laura, and Craig, Jonathan C.

Published
2022
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18. Outcomes of Deep Mural Injury After Endoscopic Resection: An International Cohort of 3717 Large Non-Pedunculated Colorectal Polyps

Author

Bar-Yishay, Iddo, Shahidi, Neal, Gupta, Sunil, Vosko, Sergei, van Hattem, W. Arnout, Schoeman, Scott, Sidhu, Mayenaaz, Tate, David J., Hourigan, Luke F., Singh, Rajvinder, Moss, Alan, Raftopoulos, Spiro C., Brown, Gregor, Zanati, Simon, Heitman, Steven J., Lee, Eric Y.T., Burgess, Nicholas, Williams, Stephen J., Byth, Karen, and Bourke, Michael J.

Published
2022
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20. Safety and efficacy of salvage endoscopic submucosal dissection for Barrett's neoplasia recurrence after radiofrequency ablation.

Author

Mesureur, Lauriane, Deprez, Pierre H., Bisschops, Raf, Pouw, Roos E., Weusten, Bas L.A.M., Barret, Maximilien, Dewint, Pieter, Tate, David, Leclercq, Philippe, Seewald, Stefan, Barbaro, Federico, Baldaque-Silva, Francisco, Omae, Masami, Pioche, Mathieu, Figueiredo Ferreira, Mariana, Bourke, Michael J., Haidry, Rehan, Snauwaert, Christophe, Eisendrath, Pierre, and De Maertelaer, Viviane

Subjects
ELECTROCOAGULATION (Medicine), BARRETT'S esophagus, ENDOSCOPIC surgery, CATHETER ablation, TUMORS
Abstract

Background This study evaluated the safety and efficacy of salvage endoscopic submucosal dissection (ESD) for Barrett's neoplasia recurrence after radiofrequency ablation (RFA). Methods Data from patients at 16 centers were collected for a multicenter retrospective study. Patients who underwent at least one RFA treatment for Barrett's esophagus and thereafter underwent further esophageal ESD for neoplasia recurrence were included. Results Data from 56 patients who underwent salvage ESD between April 2014 and November 2022 were collected. Immediate complications included one muscular tear (1.8%) treated with stent (Agree classification: grade IIIa). Two transmural perforations (3.6%; treated with clips) and five muscular tears (8.9%; two treated with clips) had no clinical impact and were not considered as adverse events. Seven patients (12.5%) developed strictures (grade IIIa), which were treated with balloon dilation. Histological analysis showed 36 adenocarcinoma, 17 high grade dysplasia, and 3 low grade dysplasia. En bloc and R0 resection rates were 89.3% and 66.1%, respectively. Resections were curative in 33 patients (58.9%), and noncurative in 22 patients (39.3%), including 11 "local risk" (19.6%) and 11 "high risk" (19.6%) resections. At the end of follow-up with a median time of 14 (0–75) months after salvage ESD, and with further endoscopic treatment if necessary (RFA, argon plasma coagulation, endoscopic mucosal resection, ESD), neoplasia remission ratio was 37/53 (69.8%) and the median remission time was 13 (1–75) months. Conclusion In expert hands, salvage ESD was a safe and effective treatment for recurrence of Barrett's neoplasia after RFA treatment. [ABSTRACT FROM AUTHOR]

Published
2024
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21. A simplified algorithm to evaluate the risk of submucosal invasive cancer in large (≥20 mm) nonpedunculated colonic polyps.

Author

O'Sullivan, Timothy, Craciun, Ana, Byth, Karen, Gupta, Sunil, Gauci, Julia Louisa, Cronin, Oliver, Whitfield, Anthony, Abuarisha, Muhammad, Williams, Stephen John, Lee, Eric Yong Tat, Burgess, Nicholas Graeme, and Bourke, Michael J.

Subjects
DECISION making, CANCER invasiveness, ENDOSCOPIC surgery, ODDS ratio, POLYPS
Abstract

Background Recognition of submucosal invasive cancer (SMIC) in large (≥20 mm) nonpedunculated colonic polyps (LNPCPs) informs selection of the optimal resection strategy. LNPCP location, morphology, and size influence the risk of SMIC; however, currently no meaningful application of this information has simplified the process to make it accessible and broadly applicable. We developed a decision-making algorithm to simplify the identification of LNPCP subtypes with increased risk of potential SMIC. Methods Patients referred for LNPCP resection from September 2008 to November 2022 were enrolled. LNPCPs with SMIC were identified from endoscopic resection specimens, lesion biopsies, or surgical outcomes. Decision tree analysis of lesion characteristics identified in multivariable analysis was used to create a hierarchical classification of SMIC prevalence. Results 2451 LNPCPs were analyzed: 1289 (52.6%) were flat, 1043 (42.6%) nodular, and 118 (4.8%) depressed. SMIC was confirmed in 273 of the LNPCPs (11.1%). It was associated with depressed and nodular vs. flat morphology (odds ratios [ORs] 35.7 [95%CI 22.6–56.5] and 3.5 [95%CI 2.6–4.9], respectively; P <0.001); rectosigmoid vs. proximal location (OR 3.2 [95%CI 2.5–4.1]; P <0.001); nongranular vs. granular appearance (OR 2.4 [95%CI 1.9–3.1]; P <0.001); and size (OR 1.12 per 10-mm increase [95%CI 1.05–1.19]; P <0.001). Decision tree analysis targeting SMIC identified eight terminal nodes: SMIC prevalence was 62% in depressed LNPCPs, 19% in nodular rectosigmoid LNPCPs, and 20% in nodular proximal colon nongranular LNPCPs. Conclusions This decision-making algorithm simplifies identification of LNPCPs with an increased risk of potential SMIC. When combined with surface optical evaluation, it facilitates accurate lesion characterization and resection choices. [ABSTRACT FROM AUTHOR]

Published
2024
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22. Endoscopic Approach and New Oncologic Strategies for Early Rectal Neoplasia.

Author

Bourke, Michael J.

Subjects
POLYPS, EARLY medical intervention, CANCER invasiveness, CANCER relapse, CANCER patient medical care, EARLY detection of cancer, ENDOSCOPIC surgery, MINIMALLY invasive procedures, CANCER patients, SCARS, RECTUM tumors, EARLY diagnosis, ENDOSCOPY, HEALTH care teams
Published
2024

29. Establishment of Standards for the Referral of Large Non-Pedunculated Colorectal Polyps: An International Expert Consensus Using a Modified Delphi Process

Author

Khalaf, Kareem, primary, Seleq, Samir, additional, Bourke, Michael J., additional, Alkandari, Asma, additional, Bapaye, Amol, additional, Bechara, Robert, additional, Calo, Natalia C., additional, Fedorov, Evgeniy D., additional, Hassan, Cesare, additional, Kalauz, Mirjana, additional, Kandel, Gabor P., additional, Matsuda, Takahisa, additional, May, Gary R., additional, Mönkemüller, Klaus, additional, Mosko, Jeffrey D., additional, Ohno, Akiko, additional, Pavic, Tajana, additional, Pellisé, Maria, additional, Raos, Zoe, additional, Repici, Alessandro, additional, Rex, Douglas K., additional, Saxena, Payal, additional, Schauer, Cameron, additional, Sethi, Amrita, additional, Sharma, Prateek, additional, Shaukat, Aasma, additional, Siddiqui, Uzma D., additional, Singh, Rajvinder, additional, Smith, Lesley-Ann, additional, Tanabe, Mayo, additional, Teshima, Christopher W., additional, von Renteln, Daniel, additional, Gimpaya, Nikko, additional, Pawlak, Katarzyna M., additional, Fujiyoshi, Mary Raina Angeli, additional, Fujiyoshi, Yusuke, additional, Lamba, Mehul, additional, Li, Suqing, additional, Malipatil, Sharan B., additional, and Grover, Samir C., additional

Published
2024
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32. When and How To Use Endoscopic Tattooing in the Colon: An International Delphi Agreement

Author

Medina-Prado, Lucía, Hassan, Cesare, Dekker, Evelien, Bisschops, Raf, Alfieri, Sergio, Bhandari, Pradeep, Bourke, Michael J., Bravo, Raquel, Bustamante-Balen, Marco, Dominitz, Jason, Ferlitsch, Monika, Fockens, Paul, van Leerdam, Monique, Lieberman, David, Herráiz, Maite, Kahi, Charles, Kaminski, Michal, Matsuda, Takahisa, Moss, Alan, Pellisé, Maria, Pohl, Heiko, Rees, Colin, Rex, Douglas K., Romero-Simó, Manuel, Rutter, Matthew D., Sharma, Prateek, Shaukat, Aasma, Thomas-Gibson, Siwan, Valori, Roland, and Jover, Rodrigo

Published
2021
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34. Endoscopic Resection of Neoplasia in the Lower GI Tract: A Clinical Algorithm

Author

O'Sullivan, Timothy and Bourke, Michael J.

Abstract

Background:Colorectal cancer is a highly prevalent malignancy and a significant driver of cancer mortality and health-related expenditure worldwide. Polyp removal reduces the incidence and mortality of colorectal cancer. In 2024, endoscopists have an array of resection modalities at their disposal. Each technique requires a unique skillset and has individual advantages and limitations. Consequently, resection in the colorectum requires an evidence-based algorithm approach that considers these factors. Summary:A literature review of endoscopic resection for colonic neoplasia was conducted. Best supporting scientific evidence was summarized for the endoscopic resection of diminutive polyps, large ≥20 mm lesions and polyps containing invasive cancer. Factors including resection modality, complications and lesion selection were explored to inform an algorithm approach to colorectal resection. Key Messages:Endoscopic resection in the colorectum is not a one-size-fits-all approach. Detailed understanding of polyp size, location, morphology and predicted histology are critical factors that inform appropriate endoscopic resection practice.

Published
2024
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35. Health-Related Quality of Life in People Across the Spectrum of CKD

Author

Krishnan, Anoushka, Teixeira-Pinto, Armando, Lim, Wai H., Howard, Kirsten, Chapman, Jeremy R., Castells, Antoni, Roger, Simon D., Bourke, Michael J., Macaskill, Petra, Williams, Gabrielle, Lok, Charmaine E., Diekmann, Fritz, Cross, Nicholas, Sen, Shaundeep, Allen, Richard D.M., Chadban, Steven J., Pollock, Carol A., Turner, Robin, Tong, Allison, Yang, Jean Y.H., Williams, Narelle, Au, Eric, Kieu, Anh, James, Laura, Francis, Anna, Wong, Germaine, and Craig, Jonathan C.

Published
2020
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36. Precision endoscopy in colorectal polyps' characterization and planning of endoscopic therapy.

Author

Mandarino, Francesco Vito, Danese, Silvio, Uraoka, Toshio, Parra‐Blanco, Adolfo, Maeda, Yasuharu, Saito, Yutaka, Kudo, Shin‐Ei, Bourke, Michael J., and Iacucci, Marietta

Subjects
COLON polyps, ENDOSCOPIC surgery, ENDOSCOPY, COLORECTAL cancer, ARTIFICIAL intelligence, ENDOSCOPIC ultrasonography, PRECISION farming
Abstract

Precision endoscopy in the management of colorectal polyps and early colorectal cancer has emerged as the standard of care. It includes optical characterization of polyps and estimation of submucosal invasion depth of large nonpedunculated colorectal polyps to select the appropriate endoscopic resection modality. Over time, several imaging modalities have been implemented in endoscopic practice to improve optical performance. Among these, image‐enhanced endoscopy systems and magnification endoscopy represent now well‐established tools. New advanced technologies, such as endocytoscopy and confocal laser endomicroscopy, have recently shown promising results in predicting the histology of colorectal polyps. In recent years, artificial intelligence has continued to enhance endoscopic performance in the characterization of colorectal polyps, overcoming the limitations of other imaging modes. In this review we retrace the path of precision endoscopy, analyzing the yield of various endoscopic imaging techniques in personalizing management of colorectal polyps and early colorectal cancer. [ABSTRACT FROM AUTHOR]

Published
2024
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37. When less is more: lower esophageal sphincter-preserving peroral endoscopic myotomy is effective for non-achalasia esophageal motility disorders.

Author

Perananthan, Varan, Gupta, Sunil, Whitfield, Anthony, Craciun, Ana, Cronin, Oliver, O'Sullivan, Timothy, Byth, Karen, Sidhu, Mayenaaz, Hourigan, Luke F., Raftopoulos, Spiro, Burgess, Nicholas G., and Bourke, Michael J.

Subjects
ESOPHAGEAL motility disorders, MYOTOMY, GASTROESOPHAGEAL reflux, ESOPHAGOGASTRIC junction, SPHINCTERS, ESOPHAGEAL achalasia
Abstract

Background Non-achalasia esophageal motility disorders (NAEMDs), encompassing distal esophageal spasm (DES) and hypercontractile esophagus (HCE), are rare conditions. Peroral endoscopic myotomy (POEM) is a promising treatment option. In NAEMDs, unlike with achalasia, the lower esophageal sphincter (LES) functions normally, suggesting the potential of LES preservation during POEM. Methods This retrospective two-center observational study focused on patients undergoing LES-preserving POEM (LES-POEM) for NAEMD. Eckardt scores were assessed pre-POEM and at 6, 12, and 24 months post-POEM, with follow-up endoscopy at 6 months to evaluate for reflux esophagitis. Clinical success, defined as an Eckardt score ≤3, served as the primary outcome. Results 227 patients were recruited over 84 months until May 2021. Of these, 16 underwent LES-POEM for an NAEMD (9 with HCE and 7 with DES). The median pre-POEM Eckardt score was 6.0 (interquartile range [IQR] 5.0–7.0), which decreased to 1.0 (IQR 0.0–1.8; P <0.001) 6 months post-POEM. This was sustained at 24 months, with an Eckardt score of 1.0 (IQR 0.0–1.8; P<0.001). Two patients (12.5%) developed Los Angeles grade A or B esophagitis. Conclusions LES-POEM for NAEMD demonstrates favorable clinical outcomes, with infrequent esophagitis and reintervention for LES dysfunction rarely required. [ABSTRACT FROM AUTHOR]

Published
2024
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38. Efficacy and Safety of Endoscopic Resection of Sessile Serrated Polyps 10 mm or Larger: A Systematic Review and Meta-Analysis

Author

Thoguluva Chandrasekar, Viveksandeep, Aziz, Muhammad, Patel, Harsh K., Sidhu, Naaz, Duvvuri, Abhiram, Dasari, ChandraShekhar, Kennedy, Kevin F., Ashwath, Ashwini, Spadaccini, Marco, Desai, Madhav, Jegadeesan, Ramprasad, Sathyamurthy, Anjana, Vennalaganti, Prashanth, Kohli, Divyanshoo, Hassan, Cesare, Pellise, Maria, Repici, Alessandro, Sharma, Prateek, and Bourke, Michael J.

Published
2020
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42. Long-term outcomes after temporary placement of a self-expanding fully covered metal stent for benign biliary strictures secondary to chronic pancreatitis

Author

Bourke, Michael J., Williams, Stephen J., Püspök, Andreas, Dolak, Werner, Tribl, Barbara, Devière, Jacques, Blero, Daniel, Huberty, Vincent, Delhaye, Myriam, Lemmers, Arnaud, Le Moine, Olivier, Arvanitakis, Marianna, Roy, André, Plasse, Marylène, Kortan, Paul P., May, Gary, Ponchon, Thierry, Lepilliez, Vincent, Neuhaus, Horst, Schumacher, Brigitte, Charton, Jean Pierre, Gerges, Christian, Beyna, Torsten, Reddy, D. Nageshwar, Lakhtakia, Sundeep, Costamagna, Guido, Tringali, Andrea, Perri, Vincenzo, Familiari, Pietro, Mutignani, Massimiliano, Bruno, Marco J., Poley, Jan W., González-Huix Lladó, Ferrán, Fransech, Montserrat Figa, Peetermans, Joyce, Rousseau, Matthew, Bowman, Thomas, Carr-Locke, David, and Reddy, Nageshwar

Published
2020
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44. Endoscopic mucosal resection for large non-pedunculated colorectal polyps: staying on track with a safe, effective and cost-efficient technique

Author

Mandarino, Francesco Vito, primary, Medas, Renato, additional, Gauci, Julia L, additional, Kerrison, Clarence, additional, Whitfield, Anthony, additional, Gupta, Sunil, additional, Williams, Stephen J, additional, Lee, Eric Y, additional, Burgess, Nicholas G, additional, and Bourke, Michael J, additional

Published
2023
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