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1. Perioperative management and anaesthetic considerations in pelvic exenterations using Delphi methodology: results from the PelvEx Collaborative

Author

Chok, AY, Oliver, A, Rasheed, S, Tan, EJ, Kelly, ME, Aalbers, AGJ, Aziz, NA, Abecasis, N, Abraham-Nordling, M, Akiyoshi, T, Alberda, W, Albert, M, Andric, M, Angenete, E, Antoniou, A, Auer, R, Austin, KK, Aziz, O, Baker, RP, Bali, M, Baseckas, G, Bebington, B, Bedford, M, Bednarski, BK, Beets, GL, Berg, PL, Beynon, J, Biondo, S, Boyle, K, Bordeianou, L, Bremers, AB, Brunner, M, Buchwald, P, Bui, A, Burgess, A, Burger, JWA, Burling, D, Burns, E, Campain, N, Carvalhal, S, Castro, L, Caycedo-Marulanda, A, Chan, KKL, Chang, GJ, Chew, MH, Chong, P, Christensen, HK, Clouston, H, Codd, M, Collins, D, Colquhoun, AJ, Corr, A, Coscia, M, Coyne, PE, Creavin, B, Croner, RS, Damjanovic, L, Daniels, IR, Davies, M, Davies, RJ, Delaney, CP, de Wilt, JHW, Denost, Q, Deutsch, C, Dietz, D, Domingo, S, Dozois, EJ, Duff, M, Eglinton, T, Enrique-Navascues, JM, Espin-Basany, E, Evans, MD, Fearnhead, NS, Flatmark, K, Fleming, F, Frizelle, FA, Gallego, MA, Garcia-Granero, E, Garcia-Sabrido, JL, Gentilini, L, George, ML, George, V, Ghouti, L, Giner, F, Ginther, N, Glynn, R, Golda, T, Griffiths, B, Harris, DA, Hagemans, JAW, Hanchanale, V, Harji, DP, Helewa, RM, Hellawell, G, Heriot, AG, Hochman, D, Hohenberger, W, Holm, T, Holmstrom, A, Hompes, R, Jenkins, JT, Kaffenberger, S, Kandaswamy, G, Kapur, S, Kanemitsu, Y, Kelley, SR, Keller, DS, Khan, MS, Kim, H, Kim, HJ, Koh, CE, Kok, NFM, Kokelaar, R, Kontovounisios, C, Kristensen, HO, Kroon, HM, Kusters, M, Lago, V, Larsen, SG, Larson, DW, Law, WL, Laurberg, S, Lee, PJ, Limbert, M, Lydrup, ML, Lyons, A, Lynch, AC, Mantyh, C, Mathis, KL, Margues, CFS, Martling, A, Meijerink, WJHJ, Merkel, S, Mehta, AM, McArthur, DR, McDermott, FD, McGrath, JS, Malde, S, Mirnezami, A, Monson, JRT, Morton, JR, Mullaney, TG, Negoi, I, Neto, JWM, Nguyen, B, Nielsen, MB, Nieuwenhuijzen, GAP, Nilsson, PJ, O'Dwyer, ST, Palmer, G, Pappou, E, Park, J, Patsouras, D, Pellino, G, Peterson, AC, Poggioli, G, Proud, D, Quinn, M, Quyn, A, Radwan, RW, Rasmussen, PC, Rausa, E, Regenbogen, SE, Renehan, A, Rocha, R, Rochester, M, Rohila, J, Rothbarth, J, Rottoli, M, Roxburgh, C, Rutten, HJT, Ryan, EJ, Safar, B, Sagar, PM, Sahai, A, Saklani, A, Sammour, T, Sayyed, R, Schizas, AMP, Schwarzkopf, E, Scripcariu, V, Selvasekar, C, Shaikh, I, Shida, D, Simpson, A, Smart, NJ, Smart, P, Smith, JJ, Solbakken, AM, Solomon, MJ, Sorensen, MM, Steele, SR, Steffens, D, Stitzenberg, K, Stocchi, L, Stylianides, NA, Swartling, T, Sumrien, H, Sutton, PA, Swartking, T, Taylor, C, Teras, J, Thurairaja, R, Toh, EL, Tsarkov, P, Tsukada, Y, Tsukamoto, S, Tuech, JJ, Turner, WH, Tuynman, JB, van Ramshorst, GH, van Zoggel, D, Vasquez-Jimenez, W, Verhoef, C, Vizzielli, G, Voogt, ELK, Uehara, K, Wakeman, C, Warrier, S, Wasmuth, HH, Weber, K, Weiser, MR, Wheeler, JMD, Wild, J, Wilson, M, Wolthuis, A, Yano, H, Yip, B, Yip, J, Yoo, RN, Winter, DC, Tekkis, PP, Chok, AY, Oliver, A, Rasheed, S, Tan, EJ, Kelly, ME, Aalbers, AGJ, Aziz, NA, Abecasis, N, Abraham-Nordling, M, Akiyoshi, T, Alberda, W, Albert, M, Andric, M, Angenete, E, Antoniou, A, Auer, R, Austin, KK, Aziz, O, Baker, RP, Bali, M, Baseckas, G, Bebington, B, Bedford, M, Bednarski, BK, Beets, GL, Berg, PL, Beynon, J, Biondo, S, Boyle, K, Bordeianou, L, Bremers, AB, Brunner, M, Buchwald, P, Bui, A, Burgess, A, Burger, JWA, Burling, D, Burns, E, Campain, N, Carvalhal, S, Castro, L, Caycedo-Marulanda, A, Chan, KKL, Chang, GJ, Chew, MH, Chong, P, Christensen, HK, Clouston, H, Codd, M, Collins, D, Colquhoun, AJ, Corr, A, Coscia, M, Coyne, PE, Creavin, B, Croner, RS, Damjanovic, L, Daniels, IR, Davies, M, Davies, RJ, Delaney, CP, de Wilt, JHW, Denost, Q, Deutsch, C, Dietz, D, Domingo, S, Dozois, EJ, Duff, M, Eglinton, T, Enrique-Navascues, JM, Espin-Basany, E, Evans, MD, Fearnhead, NS, Flatmark, K, Fleming, F, Frizelle, FA, Gallego, MA, Garcia-Granero, E, Garcia-Sabrido, JL, Gentilini, L, George, ML, George, V, Ghouti, L, Giner, F, Ginther, N, Glynn, R, Golda, T, Griffiths, B, Harris, DA, Hagemans, JAW, Hanchanale, V, Harji, DP, Helewa, RM, Hellawell, G, Heriot, AG, Hochman, D, Hohenberger, W, Holm, T, Holmstrom, A, Hompes, R, Jenkins, JT, Kaffenberger, S, Kandaswamy, G, Kapur, S, Kanemitsu, Y, Kelley, SR, Keller, DS, Khan, MS, Kim, H, Kim, HJ, Koh, CE, Kok, NFM, Kokelaar, R, Kontovounisios, C, Kristensen, HO, Kroon, HM, Kusters, M, Lago, V, Larsen, SG, Larson, DW, Law, WL, Laurberg, S, Lee, PJ, Limbert, M, Lydrup, ML, Lyons, A, Lynch, AC, Mantyh, C, Mathis, KL, Margues, CFS, Martling, A, Meijerink, WJHJ, Merkel, S, Mehta, AM, McArthur, DR, McDermott, FD, McGrath, JS, Malde, S, Mirnezami, A, Monson, JRT, Morton, JR, Mullaney, TG, Negoi, I, Neto, JWM, Nguyen, B, Nielsen, MB, Nieuwenhuijzen, GAP, Nilsson, PJ, O'Dwyer, ST, Palmer, G, Pappou, E, Park, J, Patsouras, D, Pellino, G, Peterson, AC, Poggioli, G, Proud, D, Quinn, M, Quyn, A, Radwan, RW, Rasmussen, PC, Rausa, E, Regenbogen, SE, Renehan, A, Rocha, R, Rochester, M, Rohila, J, Rothbarth, J, Rottoli, M, Roxburgh, C, Rutten, HJT, Ryan, EJ, Safar, B, Sagar, PM, Sahai, A, Saklani, A, Sammour, T, Sayyed, R, Schizas, AMP, Schwarzkopf, E, Scripcariu, V, Selvasekar, C, Shaikh, I, Shida, D, Simpson, A, Smart, NJ, Smart, P, Smith, JJ, Solbakken, AM, Solomon, MJ, Sorensen, MM, Steele, SR, Steffens, D, Stitzenberg, K, Stocchi, L, Stylianides, NA, Swartling, T, Sumrien, H, Sutton, PA, Swartking, T, Taylor, C, Teras, J, Thurairaja, R, Toh, EL, Tsarkov, P, Tsukada, Y, Tsukamoto, S, Tuech, JJ, Turner, WH, Tuynman, JB, van Ramshorst, GH, van Zoggel, D, Vasquez-Jimenez, W, Verhoef, C, Vizzielli, G, Voogt, ELK, Uehara, K, Wakeman, C, Warrier, S, Wasmuth, HH, Weber, K, Weiser, MR, Wheeler, JMD, Wild, J, Wilson, M, Wolthuis, A, Yano, H, Yip, B, Yip, J, Yoo, RN, Winter, DC, and Tekkis, PP

Abstract

BACKGROUND: The multidisciplinary perioperative and anaesthetic management of patients undergoing pelvic exenteration is essential for good surgical outcomes. No clear guidelines have been established, and there is wide variation in clinical practice internationally. This consensus statement consolidates clinical experience and best practice collectively, and systematically addresses key domains in the perioperative and anaesthetic management. METHODS: The modified Delphi methodology was used to achieve consensus from the PelvEx Collaborative. The process included one round of online questionnaire involving controlled feedback and structured participant response, two rounds of editing, and one round of web-based voting. It was held from December 2019 to February 2020. Consensus was defined as more than 80 per cent agreement, whereas less than 80 per cent agreement indicated low consensus. RESULTS: The final consensus document contained 47 voted statements, across six key domains of perioperative and anaesthetic management in pelvic exenteration, comprising preoperative assessment and preparation, anaesthetic considerations, perioperative management, anticipating possible massive haemorrhage, stress response and postoperative critical care, and pain management. Consensus recommendations were developed, based on consensus agreement achieved on 34 statements. CONCLUSION: The perioperative and anaesthetic management of patients undergoing pelvic exenteration is best accomplished by a dedicated multidisciplinary team with relevant domain expertise in the setting of a specialized tertiary unit. This consensus statement has addressed key domains within the framework of current perioperative and anaesthetic management among patients undergoing pelvic exenteration, with an international perspective, to guide clinical practice, and has outlined areas for future clinical research.

Published
2021

2. Simultaneous pelvic exenteration and liver resection for primary rectal cancer with synchronous liver metastases: results from the PelvEx Collaborative

Author

Kelly, ME, Aalbers, AGJ, Aziz, NA, Abecasis, N, Abraham-Nordling, M, Akiyoshi, T, Alberda, W, Albert, M, Andric, M, Angenete, E, Antoniou, A, Auer, R, Austin, KK, Aziz, O, Baker, RP, Bali, M, Baseckas, G, Bebington, B, Bednarski, BK, Beets, GL, Berg, PL, Beynon, J, Biondo, S, Boyle, K, Bordeianou, L, Bremers, AB, Brunner, M, Buchwald, P, Bui, A, Burgess, A, Burger, JWA, Burling, D, Burns, E, Campain, N, Carvalhal, S, Castro, L, Caycedo-Marulanda, A, Chan, KKL, Chew, GJH, Chong, PC, Christensen, HK, Clouston, H, Codd, M, Coffins, D, Colquhoun, AJ, Corr, A, Coscia, M, Coyne, PE, Creavin, B, Croner, RS, Damjanovic, L, Daniels, R, Davies, M, Davies, RJ, Delaney, CP, Denost, Q, Deutsch, C, Dietz, D, Domingo, S, Dozois, EJ, Duff, M, Eglinton, T, Enrique-Navascues, JM, Espin-Basany, E, Evans, MD, Fearnhead, NS, Flatmark, K, Fleming, F, Frizelle, FA, Gallego, MA, Garcia-Granero, E, Garcia-Sabrido, JL, Gentilini, L, George, ML, Ghouti, L, Giner, F, Ginther, N, Glynn, R, Golda, T, Griffiths, B, Harris, DA, Hagemans, JAW, Hanchanale, V, Harji, DP, Helewa, RM, Heriot, AG, Hochman, D, Hohenberger, W, Holm, T, Hompes, R, Jenkins, JT, Kaffenberger, S, Kandaswamy, G, Kapur, S, Kanemitsu, Y, Kelley, SR, Keller, DS, Khan, MS, Kiran, RP, Kim, H, Kim, HJ, Koh, CE, Kok, NFM, Kokelaar, R, Kontovounisios, C, Kristensen, HO, Kroon, HM, Kusters, M, Lago, V, Larsen, SG, Larson, DW, Law, WL, Laurberg, S, Lee, PJ, Limbert, M, Lydrup, ML, Lyons, A, Lynch, AC, Mantyh, C, Mathis, KL, Margues, CFS, Martling, A, Meijerink, WJHJ, Merkel, S, Mehta, AM, McArthur, DR, McDermott, FD, McGrath, JS, Malde, S, Mimezami, A, Monson, JRT, Morton, JR, Mullaney, TG, Negoi, I, Neto, JWM, Nguyen, B, Nielsen, MB, Nieuwenhuijzen, GAP, Nilsson, PJ, O'Connell, PR, O'Dwyer, ST, Palmer, G, Pappou, E, Park, J, Patsouras, D, Pellino, G, Peterson, AC, Poggioli, G, Proud, D, Quinn, M, Quyn, A, Radwan, RW, van Ramshorst, GH, Rasheed, S, Rasmussen, PC, Regenbogen, SE, Renehan, A, Rocha, R, Rochester, M, Rohila, J, Rothbarth, J, Rottoli, M, Roxburgh, C, Rutten, HJT, Ryan, EJ, Safar, B, Sagar, PM, Sahai, A, Saklani, A, Sammour, T, Sayyed, R, Schizas, AMP, Schwarzkopf, E, Scripcariu, V, Selvasekar, C, Shaikh, I, Hellawell, G, Shida, D, Simpson, A, Smart, NJ, Smart, P, Smith, JJ, Solbakken, AM, Solomon, MJ, Sorensen, MM, Steele, SR, Steffens, D, Stitzenberg, K, Stocchi, L, Stylianides, NA, Sumrien, H, Sutton, PA, Swanking, T, Taylor, C, Tekkis, PP, Teras, J, Thurairaja, R, Toh, EL, Tsarkov, P, Tsukada, Y, Tsukamoto, S, Tuech, JJ, Turner, WH, Tuynman, JB, Vasquez-Jimenez, W, Verhoef, C, Vizzielli, G, Voogt, ELK, Uehara, K, Wakeman, C, Warner, S, Wasmuth, HH, Weber, K, Weiser, MR, Wheeler, JMD, Wild, J, Wilson, M, de Wilt, JHW, Wolthuis, A, Yano, H, Yip, B, Yip, J, Yoo, RN, van Zoggel, D, Winter, DC, Kelly, ME, Aalbers, AGJ, Aziz, NA, Abecasis, N, Abraham-Nordling, M, Akiyoshi, T, Alberda, W, Albert, M, Andric, M, Angenete, E, Antoniou, A, Auer, R, Austin, KK, Aziz, O, Baker, RP, Bali, M, Baseckas, G, Bebington, B, Bednarski, BK, Beets, GL, Berg, PL, Beynon, J, Biondo, S, Boyle, K, Bordeianou, L, Bremers, AB, Brunner, M, Buchwald, P, Bui, A, Burgess, A, Burger, JWA, Burling, D, Burns, E, Campain, N, Carvalhal, S, Castro, L, Caycedo-Marulanda, A, Chan, KKL, Chew, GJH, Chong, PC, Christensen, HK, Clouston, H, Codd, M, Coffins, D, Colquhoun, AJ, Corr, A, Coscia, M, Coyne, PE, Creavin, B, Croner, RS, Damjanovic, L, Daniels, R, Davies, M, Davies, RJ, Delaney, CP, Denost, Q, Deutsch, C, Dietz, D, Domingo, S, Dozois, EJ, Duff, M, Eglinton, T, Enrique-Navascues, JM, Espin-Basany, E, Evans, MD, Fearnhead, NS, Flatmark, K, Fleming, F, Frizelle, FA, Gallego, MA, Garcia-Granero, E, Garcia-Sabrido, JL, Gentilini, L, George, ML, Ghouti, L, Giner, F, Ginther, N, Glynn, R, Golda, T, Griffiths, B, Harris, DA, Hagemans, JAW, Hanchanale, V, Harji, DP, Helewa, RM, Heriot, AG, Hochman, D, Hohenberger, W, Holm, T, Hompes, R, Jenkins, JT, Kaffenberger, S, Kandaswamy, G, Kapur, S, Kanemitsu, Y, Kelley, SR, Keller, DS, Khan, MS, Kiran, RP, Kim, H, Kim, HJ, Koh, CE, Kok, NFM, Kokelaar, R, Kontovounisios, C, Kristensen, HO, Kroon, HM, Kusters, M, Lago, V, Larsen, SG, Larson, DW, Law, WL, Laurberg, S, Lee, PJ, Limbert, M, Lydrup, ML, Lyons, A, Lynch, AC, Mantyh, C, Mathis, KL, Margues, CFS, Martling, A, Meijerink, WJHJ, Merkel, S, Mehta, AM, McArthur, DR, McDermott, FD, McGrath, JS, Malde, S, Mimezami, A, Monson, JRT, Morton, JR, Mullaney, TG, Negoi, I, Neto, JWM, Nguyen, B, Nielsen, MB, Nieuwenhuijzen, GAP, Nilsson, PJ, O'Connell, PR, O'Dwyer, ST, Palmer, G, Pappou, E, Park, J, Patsouras, D, Pellino, G, Peterson, AC, Poggioli, G, Proud, D, Quinn, M, Quyn, A, Radwan, RW, van Ramshorst, GH, Rasheed, S, Rasmussen, PC, Regenbogen, SE, Renehan, A, Rocha, R, Rochester, M, Rohila, J, Rothbarth, J, Rottoli, M, Roxburgh, C, Rutten, HJT, Ryan, EJ, Safar, B, Sagar, PM, Sahai, A, Saklani, A, Sammour, T, Sayyed, R, Schizas, AMP, Schwarzkopf, E, Scripcariu, V, Selvasekar, C, Shaikh, I, Hellawell, G, Shida, D, Simpson, A, Smart, NJ, Smart, P, Smith, JJ, Solbakken, AM, Solomon, MJ, Sorensen, MM, Steele, SR, Steffens, D, Stitzenberg, K, Stocchi, L, Stylianides, NA, Sumrien, H, Sutton, PA, Swanking, T, Taylor, C, Tekkis, PP, Teras, J, Thurairaja, R, Toh, EL, Tsarkov, P, Tsukada, Y, Tsukamoto, S, Tuech, JJ, Turner, WH, Tuynman, JB, Vasquez-Jimenez, W, Verhoef, C, Vizzielli, G, Voogt, ELK, Uehara, K, Wakeman, C, Warner, S, Wasmuth, HH, Weber, K, Weiser, MR, Wheeler, JMD, Wild, J, Wilson, M, de Wilt, JHW, Wolthuis, A, Yano, H, Yip, B, Yip, J, Yoo, RN, van Zoggel, D, and Winter, DC

Abstract

AIM: At presentation, 15-20% of patients with rectal cancer already have synchronous liver metastases. The aim of this study was to determine the surgical and survival outcomes in patients with advanced rectal cancer who underwent combined pelvic exenteration and liver (oligometastatic) resection. METHOD: Data from 20 international institutions that performed simultaneous pelvic exenteration and liver resection between 2007 and 2017 were accumulated. Primarily, we examined perioperative outcomes, morbidity and mortality. We also assessed the impact that margin status had on survival. RESULTS: Of 128 patients, 72 (56.2%) were men with a median age of 60 years [interquartile range (IQR) 15 years]. The median size of the liver oligometastatic deposits was 2 cm (IQR 1.8 cm). The median duration of surgery was 406 min (IQR 240 min), with a median blood loss of 1090 ml (IQR 2010 ml). A negative resection margin (R0 resection) was achieved in 73.5% of pelvic exenterations and 66.4% of liver resections. The 30-day mortality rate was 1.6%, and 32% of patients had a major postoperative complication. The 5-year overall survival for patients in whom an R0 resection of both primary and metastatic disease was achieved was 54.6% compared with 20% for those with an R1/R2 resection (P = 0.006). CONCLUSION: Simultaneous pelvic exenteration and liver resection is feasible, with acceptable morbidity and mortality. Simultaneous resection should only be performed where an R0 resection of both pelvic and hepatic disease is anticipated.

Published
2020

3. Predicting outcomes of pelvic exenteration using machine learning

Author

Dudurych, I, Kelly, ME, Aalbers, AGJ, Aziz, NA, Abecasis, N, Abraham-Nordling, M, Akiyoshi, T, Alberda, W, Albert, M, Andric, M, Angenete, E, Antoniou, A, Auer, R, Austin, KK, Aziz, O, Baker, RP, Bali, M, Baseckas, G, Bebington, B, Bedford, M, Bednarski, BK, Beets, GL, Berg, PL, Beynon, J, Biondo, S, Boyle, K, Bordeianou, L, Bremers, AB, Brunner, M, Buchwald, P, Bui, A, Burgess, A, Burger, JWA, Burling, D, Burns, E, Campain, N, Carvalhal, S, Castro, L, Caycedo-Marulanda, A, Chan, KKL, Chang, GJ, Chew, MH, Chok, AK, Chong, P, Christensen, HK, Clouston, H, Codd, M, Collins, D, Colquhoun, AJ, Corr, A, Coscia, M, Coyne, PE, Creavin, B, Croner, RS, Damjanovic, L, Daniels, IR, Davies, M, Davies, RJ, Delaney, CP, de Wilt, JHW, Denost, Q, Deutsch, C, Dietz, D, Domingo, S, Dozois, EJ, Duff, M, Eglinton, T, Enrique-Navascues, JM, Espin-Basany, E, Evans, MD, Fearnhead, NS, Flatmark, K, Fleming, F, Frizelle, FA, Gallego, MA, Garcia-Granero, E, Garcia-Sabrido, JL, Gentilini, L, George, ML, George, V, Ghouti, L, Giner, F, Ginther, N, Glynn, R, Golda, T, Griffiths, B, Harris, DA, Hagemans, JAW, Hanchanale, V, Harji, DP, Helewa, RM, Heriot, AG, Hochman, D, Hohenberger, W, Holm, T, Hompes, R, Jenkins, JT, Kaffenberger, S, Kandaswamy, GV, Kapur, S, Kanemitsu, Y, Kelley, SR, Keller, DS, Khan, MS, Kiran, RP, Kim, H, Kim, HJ, Koh, CE, Kok, NFM, Kokelaar, R, Kontovounisios, C, Kristensen, HO, Kroon, HM, Kusters, M, Lago, V, Larsen, SG, Larson, DW, Law, WL, Laurberg, S, Lee, PJ, Limbert, M, Lydrup, ML, Lyons, A, Lynch, AC, Mantyh, C, Mathis, KL, Margues, CFS, Martling, A, Meijerink, WJHJ, Merkel, S, Mehta, AM, McArthur, DR, McDermott, FD, McGrath, JS, Malde, S, Mirnezami, A, Monson, JRT, Morton, JR, Mullaney, TG, Negoi, I, Neto, JWM, Nguyen, B, Nielsen, MB, Nieuwenhuijzen, GAP, Nilsson, PJ, Oliver, A, O'Connell, PR, O'Dwyer, ST, Palmer, G, Pappou, E, Park, J, Patsouras, D, Pellino, G, Peterson, AC, Poggioli, G, Proud, D, Quinn, M, Quyn, A, Radwan, RW, Rasheed, S, Rasmussen, PC, Regenbogen, SE, Renehan, A, Rocha, R, Rochester, M, Rohila, J, Rothbarth, J, Rottoli, M, Roxburgh, C, Rutten, HJT, Ryan, EJ, Safar, B, Sagar, PM, Sahai, A, Saklani, A, Sammour, T, Sayyed, R, Schizas, AMP, Schwarzkopf, E, Scripcariu, V, Selvasekar, C, Shaikh, I, Shellawell, G, Shida, D, Simpson, A, Smart, NJ, Smart, P, Smith, JJ, Solbakken, AM, Solomon, MJ, Sorensen, MM, Steele, SR, Steffens, D, Stitzenberg, K, Stocchi, L, Stylianides, NA, Swartling, T, Sumrien, H, Sutton, PA, Swartking, T, Tan, EJ, Taylor, C, Tekkis, PP, Teras, J, Thurairaja, R, Toh, EL, Tsarkov, P, Tsukada, Y, Tsukamoto, S, Tuech, JJ, Turner, WH, Tuynman, JB, van Ramshorst, GH, van Zoggel, D, Vasquez-Jimenez, W, Verhoef, C, Vizzielli, G, Voogt, ELK, Uehara, K, Wakeman, C, Warrier, S, Wasmuth, HH, Weber, K, Weiser, MR, Wheeler, JMD, Wild, J, Wilson, M, Wolthuis, A, Yano, H, Yip, B, Yip, J, Yoo, RN, Winter, DC, Dudurych, I, Kelly, ME, Aalbers, AGJ, Aziz, NA, Abecasis, N, Abraham-Nordling, M, Akiyoshi, T, Alberda, W, Albert, M, Andric, M, Angenete, E, Antoniou, A, Auer, R, Austin, KK, Aziz, O, Baker, RP, Bali, M, Baseckas, G, Bebington, B, Bedford, M, Bednarski, BK, Beets, GL, Berg, PL, Beynon, J, Biondo, S, Boyle, K, Bordeianou, L, Bremers, AB, Brunner, M, Buchwald, P, Bui, A, Burgess, A, Burger, JWA, Burling, D, Burns, E, Campain, N, Carvalhal, S, Castro, L, Caycedo-Marulanda, A, Chan, KKL, Chang, GJ, Chew, MH, Chok, AK, Chong, P, Christensen, HK, Clouston, H, Codd, M, Collins, D, Colquhoun, AJ, Corr, A, Coscia, M, Coyne, PE, Creavin, B, Croner, RS, Damjanovic, L, Daniels, IR, Davies, M, Davies, RJ, Delaney, CP, de Wilt, JHW, Denost, Q, Deutsch, C, Dietz, D, Domingo, S, Dozois, EJ, Duff, M, Eglinton, T, Enrique-Navascues, JM, Espin-Basany, E, Evans, MD, Fearnhead, NS, Flatmark, K, Fleming, F, Frizelle, FA, Gallego, MA, Garcia-Granero, E, Garcia-Sabrido, JL, Gentilini, L, George, ML, George, V, Ghouti, L, Giner, F, Ginther, N, Glynn, R, Golda, T, Griffiths, B, Harris, DA, Hagemans, JAW, Hanchanale, V, Harji, DP, Helewa, RM, Heriot, AG, Hochman, D, Hohenberger, W, Holm, T, Hompes, R, Jenkins, JT, Kaffenberger, S, Kandaswamy, GV, Kapur, S, Kanemitsu, Y, Kelley, SR, Keller, DS, Khan, MS, Kiran, RP, Kim, H, Kim, HJ, Koh, CE, Kok, NFM, Kokelaar, R, Kontovounisios, C, Kristensen, HO, Kroon, HM, Kusters, M, Lago, V, Larsen, SG, Larson, DW, Law, WL, Laurberg, S, Lee, PJ, Limbert, M, Lydrup, ML, Lyons, A, Lynch, AC, Mantyh, C, Mathis, KL, Margues, CFS, Martling, A, Meijerink, WJHJ, Merkel, S, Mehta, AM, McArthur, DR, McDermott, FD, McGrath, JS, Malde, S, Mirnezami, A, Monson, JRT, Morton, JR, Mullaney, TG, Negoi, I, Neto, JWM, Nguyen, B, Nielsen, MB, Nieuwenhuijzen, GAP, Nilsson, PJ, Oliver, A, O'Connell, PR, O'Dwyer, ST, Palmer, G, Pappou, E, Park, J, Patsouras, D, Pellino, G, Peterson, AC, Poggioli, G, Proud, D, Quinn, M, Quyn, A, Radwan, RW, Rasheed, S, Rasmussen, PC, Regenbogen, SE, Renehan, A, Rocha, R, Rochester, M, Rohila, J, Rothbarth, J, Rottoli, M, Roxburgh, C, Rutten, HJT, Ryan, EJ, Safar, B, Sagar, PM, Sahai, A, Saklani, A, Sammour, T, Sayyed, R, Schizas, AMP, Schwarzkopf, E, Scripcariu, V, Selvasekar, C, Shaikh, I, Shellawell, G, Shida, D, Simpson, A, Smart, NJ, Smart, P, Smith, JJ, Solbakken, AM, Solomon, MJ, Sorensen, MM, Steele, SR, Steffens, D, Stitzenberg, K, Stocchi, L, Stylianides, NA, Swartling, T, Sumrien, H, Sutton, PA, Swartking, T, Tan, EJ, Taylor, C, Tekkis, PP, Teras, J, Thurairaja, R, Toh, EL, Tsarkov, P, Tsukada, Y, Tsukamoto, S, Tuech, JJ, Turner, WH, Tuynman, JB, van Ramshorst, GH, van Zoggel, D, Vasquez-Jimenez, W, Verhoef, C, Vizzielli, G, Voogt, ELK, Uehara, K, Wakeman, C, Warrier, S, Wasmuth, HH, Weber, K, Weiser, MR, Wheeler, JMD, Wild, J, Wilson, M, Wolthuis, A, Yano, H, Yip, B, Yip, J, Yoo, RN, and Winter, DC

Abstract

AIM: We aim to compare machine learning with neural network performance in predicting R0 resection (R0), length of stay > 14 days (LOS), major complication rates at 30 days postoperatively (COMP) and survival greater than 1 year (SURV) for patients having pelvic exenteration for locally advanced and recurrent rectal cancer. METHOD: A deep learning computer was built and the programming environment was established. The PelvEx Collaborative database was used which contains anonymized data on patients who underwent pelvic exenteration for locally advanced or locally recurrent colorectal cancer between 2004 and 2014. Logistic regression, a support vector machine and an artificial neural network (ANN) were trained. Twenty per cent of the data were used as a test set for calculating prediction accuracy for R0, LOS, COMP and SURV. Model performance was measured by plotting receiver operating characteristic (ROC) curves and calculating the area under the ROC curve (AUROC). RESULTS: Machine learning models and ANNs were trained on 1147 cases. The AUROC for all outcome predictions ranged from 0.608 to 0.793 indicating modest to moderate predictive ability. The models performed best at predicting LOS > 14 days with an AUROC of 0.793 using preoperative and operative data. Visualized logistic regression model weights indicate a varying impact of variables on the outcome in question. CONCLUSION: This paper highlights the potential for predictive modelling of large international databases. Current data allow moderate predictive ability of both complex ANNs and more classic methods.

Published
2020

4. The global cost of pelvic exenteration:in-hospital perioperative costs

Author

Kelly, M. E., Agj, Aalbers, Abdul Aziz, N., Abecasis, N., Abraham-Nordling, M., Akiyoshi, T., Alberda, W., Albert, M., Andric, M., Angenete, E., Antoniou, A., Auer, R., Austin, K. K., Aziz, O., Baker, R. P., Bali, M., Baseckas, G., Bebington, B., Bedford, M., Bednarski, B. K., Beets, G. L., Berg, P. L., Beynon, J., Biondo, S., Boyle, K., Bordeianou, L., Bremers, A. B., Brunner, M., Buchwald, P., Bui, A., Burgess, A., Jwa, Burger, Burling, D., Burns, E., Campain, N., Carvalhal, S., Castro, L., Caycedo-Marulanda, A., Kkl, Chan, Chang, G. J., Chang, M., Chew, M. H., Chok, A. K., Chong, P., Christensen, H. K., Clouston, H., Codd, M., Collins, D., Colquhoun, A. J., Corr, A., Coscia, M., Cosimelli, M., Coyne, P. E., Croner, R. S., Damjanovic, L., Daniels, I. R., Davies, M., Davies, R. J., Delaney, C. P., Jhw, Wilt, Denost, Q., Deutsch, C., Dietz, D., Domingo, S., Dozois, E. J., Duff, M., Eglinton, T., Enrique-Navascues, J. M., Espin-Basany, E., Evans, M. D., Eyjólfsdóttir, B., Fahy, M., Fearnhead, N. S., Flatmark, K., Fleming, F., Folkesson, J., Frizelle, F. A., Gallego, M. A., Garcia-Granero, E., Garcia-Sabrido, J. L., Gentilini, L., George, M. L., George, V., Ghouti, L., Giner, F., Ginther, N., Glynn, R., Golda, T., Griffiths, B., Harris, D. A., Jaw, Hagemans, Hanchanale, V., Harji, D. P., Helewa, R. M., Hellawell, G., Heriot, A. G., Hochman, D., Hohenberger, W., Holm, T., Hompes, R., Jenkins, J. T., Kaffenberger, S., Kandaswamy, G. V., Kapur, S., Kanemitsu, Y., Kelley, S. R., Keller, D. S., Khan, M. S., Kim, H. J., Koh, C. E., Nfm, Kok, Kokelaar, R., Kontovounisios, C., Kristensen, H., Kroon, H. M., Kumar, S., Kusters, M., Lago, V., Lakkis, Z., Larsen, S. G., Larson, D. W., Law, W. L., Laurberg, S., Lee, P. J., Limbert, M., Lydrup, M. L., Lyons, A., Lynch, A. C., Mantyh, C., Mathis, K. L., Cfs, Margues, Martling, A., Wjhj, Meijerink, Merchea, A., Merkel, S., Mehta, A. M., McArthur, D. R., McDermott, F. D., McGrath, J. S., Malde, S., Mirnezami, A., Jrt, Monson, Morton, J. R., Mullaney, T. G., Negoi, I., Jwm, Neto, Ng, J. L., Nguyen, B., Nielsen, M. B., Gap, Nieuwenhuijzen, Nilsson, P. J., Oliver, A., O'Dwyer, S. T., Palmer, G., Pappou, E., Park, J., Patsouras, D., Pellino, G., Peterson, A. C., Poggioli, G., Proud, D., Quinn, M., Quyn, A., Rajendran, N., Radwan, R. W., Rasheed, S., Rasmussen, P. C., Rausa, E., Regenbogen, S. E., Renehan, A., Rocha, R., Rochester, M., Rohila, J., Rothbarth, J., Rottoli, M., Roxburgh, C., Hjt, Rutten, Safar, B., Sagar, P. M., Sahai, A., Saklani, A., Sammour, T., Sayyed, R., Amp, Schizas, Schwarzkopf, E., Scripcariu, V., Selvasekar, C., Shaikh, I., Shida, D., Simpson, A., Skeie-Jensen, T., Smart, N. J., Smart, P., Smith, J. J., Solbakken, A. M., Solomon, M. J., Sørensen, M. M., Steele, S. R., Steffens, D., Stitzenberg, K., Stocchi, L., Stylianides, N. A., Swartling, T., Sumrien, H., Sutton, P. A., Swartking, T., Tan, E. J., Taylor, C., Tekkis, P. P., Teras, J., Thurairaja, R., Toh, E. L., Tsarkov, P., Tsukada, Y., Tsukamoto, S., Tuech, J. J., Turner, W. H., Tuynman, J. B., van Ramshorst, G. H., van Zoggel, D., Vasquez-Jimenez, W., Verhoef, C., Vizzielli, G., Elk, Voogt, Uehara, K., Wakeman, C., Warrier, S., Wasmuth, H. H., Weber, K., Weiser, M. R., Jmd, Wheeler, Wild, J., Wilson, M., Wolthuis, A., Yano, H., Yip, B., Yip, J., Yoo, R. N., Zappa, M. A., Winter, D. C., Kelly, M. E., Agj, Aalbers, Abdul Aziz, N., Abecasis, N., Abraham-Nordling, M., Akiyoshi, T., Alberda, W., Albert, M., Andric, M., Angenete, E., Antoniou, A., Auer, R., Austin, K. K., Aziz, O., Baker, R. P., Bali, M., Baseckas, G., Bebington, B., Bedford, M., Bednarski, B. K., Beets, G. L., Berg, P. L., Beynon, J., Biondo, S., Boyle, K., Bordeianou, L., Bremers, A. B., Brunner, M., Buchwald, P., Bui, A., Burgess, A., Jwa, Burger, Burling, D., Burns, E., Campain, N., Carvalhal, S., Castro, L., Caycedo-Marulanda, A., Kkl, Chan, Chang, G. J., Chang, M., Chew, M. H., Chok, A. K., Chong, P., Christensen, H. K., Clouston, H., Codd, M., Collins, D., Colquhoun, A. J., Corr, A., Coscia, M., Cosimelli, M., Coyne, P. E., Croner, R. S., Damjanovic, L., Daniels, I. R., Davies, M., Davies, R. J., Delaney, C. P., Jhw, Wilt, Denost, Q., Deutsch, C., Dietz, D., Domingo, S., Dozois, E. J., Duff, M., Eglinton, T., Enrique-Navascues, J. M., Espin-Basany, E., Evans, M. D., Eyjólfsdóttir, B., Fahy, M., Fearnhead, N. S., Flatmark, K., Fleming, F., Folkesson, J., Frizelle, F. A., Gallego, M. A., Garcia-Granero, E., Garcia-Sabrido, J. L., Gentilini, L., George, M. L., George, V., Ghouti, L., Giner, F., Ginther, N., Glynn, R., Golda, T., Griffiths, B., Harris, D. A., Jaw, Hagemans, Hanchanale, V., Harji, D. P., Helewa, R. M., Hellawell, G., Heriot, A. G., Hochman, D., Hohenberger, W., Holm, T., Hompes, R., Jenkins, J. T., Kaffenberger, S., Kandaswamy, G. V., Kapur, S., Kanemitsu, Y., Kelley, S. R., Keller, D. S., Khan, M. S., Kim, H. J., Koh, C. E., Nfm, Kok, Kokelaar, R., Kontovounisios, C., Kristensen, H., Kroon, H. M., Kumar, S., Kusters, M., Lago, V., Lakkis, Z., Larsen, S. G., Larson, D. W., Law, W. L., Laurberg, S., Lee, P. J., Limbert, M., Lydrup, M. L., Lyons, A., Lynch, A. C., Mantyh, C., Mathis, K. L., Cfs, Margues, Martling, A., Wjhj, Meijerink, Merchea, A., Merkel, S., Mehta, A. M., McArthur, D. R., McDermott, F. D., McGrath, J. S., Malde, S., Mirnezami, A., Jrt, Monson, Morton, J. R., Mullaney, T. G., Negoi, I., Jwm, Neto, Ng, J. L., Nguyen, B., Nielsen, M. B., Gap, Nieuwenhuijzen, Nilsson, P. J., Oliver, A., O'Dwyer, S. T., Palmer, G., Pappou, E., Park, J., Patsouras, D., Pellino, G., Peterson, A. C., Poggioli, G., Proud, D., Quinn, M., Quyn, A., Rajendran, N., Radwan, R. W., Rasheed, S., Rasmussen, P. C., Rausa, E., Regenbogen, S. E., Renehan, A., Rocha, R., Rochester, M., Rohila, J., Rothbarth, J., Rottoli, M., Roxburgh, C., Hjt, Rutten, Safar, B., Sagar, P. M., Sahai, A., Saklani, A., Sammour, T., Sayyed, R., Amp, Schizas, Schwarzkopf, E., Scripcariu, V., Selvasekar, C., Shaikh, I., Shida, D., Simpson, A., Skeie-Jensen, T., Smart, N. J., Smart, P., Smith, J. J., Solbakken, A. M., Solomon, M. J., Sørensen, M. M., Steele, S. R., Steffens, D., Stitzenberg, K., Stocchi, L., Stylianides, N. A., Swartling, T., Sumrien, H., Sutton, P. A., Swartking, T., Tan, E. J., Taylor, C., Tekkis, P. P., Teras, J., Thurairaja, R., Toh, E. L., Tsarkov, P., Tsukada, Y., Tsukamoto, S., Tuech, J. J., Turner, W. H., Tuynman, J. B., van Ramshorst, G. H., van Zoggel, D., Vasquez-Jimenez, W., Verhoef, C., Vizzielli, G., Elk, Voogt, Uehara, K., Wakeman, C., Warrier, S., Wasmuth, H. H., Weber, K., Weiser, M. R., Jmd, Wheeler, Wild, J., Wilson, M., Wolthuis, A., Yano, H., Yip, B., Yip, J., Yoo, R. N., Zappa, M. A., and Winter, D. C.

Published
2020

5. The impact of the COVID-19 pandemic on the Management of Locally Advanced Primary/Recurrent Rectal Cancer

Author

Chok, A. Y., Kontovounisios, C., Rasheed, S., Kelly, M. E., Agj, Aalbers, Abdul Aziz, N., Abecasis, N., Abraham-Nordling, M., Akiyoshi, T., Alberda, W., Albert, M., Andric, M., Angenete, E., Antoniou, A., Auer, R., Austin, K. K., Aziz, O., Baker, R. P., Bali, M., Baseckas, G., Bebington, B., Bedford, M., Bednarski, B. K., Beets, G. L., Berg, P. L., Beynon, J., Biondo, S., Boyle, K., Bordeianou, L., Bremers, A. B., Brunner, M., Buchwald, P., Bui, A., Burgess, A., Jwa, Burger, Burling, D., Khan, M. S., Kim, H., Kroon, H. M., Kusters, M., Quinn, M., Rocha, R., Rothbarth, J., Smith, J. J., Tan, E. J., van Ramshorst, G. H., Verhoef, C., Wilson, M., Winter, D. C., Chok, A. Y., Kontovounisios, C., Rasheed, S., Kelly, M. E., Agj, Aalbers, Abdul Aziz, N., Abecasis, N., Abraham-Nordling, M., Akiyoshi, T., Alberda, W., Albert, M., Andric, M., Angenete, E., Antoniou, A., Auer, R., Austin, K. K., Aziz, O., Baker, R. P., Bali, M., Baseckas, G., Bebington, B., Bedford, M., Bednarski, B. K., Beets, G. L., Berg, P. L., Beynon, J., Biondo, S., Boyle, K., Bordeianou, L., Bremers, A. B., Brunner, M., Buchwald, P., Bui, A., Burgess, A., Jwa, Burger, Burling, D., Khan, M. S., Kim, H., Kroon, H. M., Kusters, M., Quinn, M., Rocha, R., Rothbarth, J., Smith, J. J., Tan, E. J., van Ramshorst, G. H., Verhoef, C., Wilson, M., and Winter, D. C.

Published
2020

6. ESGAR consensus statement on liver MR imaging and clinical use of liver-specific contrast agents

Author

Neri, E., Bali, M. A., Ba-Ssalamah, A., Boraschi, P., Brancatelli, G., Alves, F. C., Grazioli, L., Helmberger, T., Lee, J. M., Manfredi, Riccardo, Marti-Bonmati, L., Matos, C., Merkle, E. M., Op De Beeck, B., Schima, W., Skehan, S., Vilgrain, V., Zech, C., Bartolozzi, C., Manfredi R. (ORCID:0000-0002-4972-9500), Neri, E., Bali, M. A., Ba-Ssalamah, A., Boraschi, P., Brancatelli, G., Alves, F. C., Grazioli, L., Helmberger, T., Lee, J. M., Manfredi, Riccardo, Marti-Bonmati, L., Matos, C., Merkle, E. M., Op De Beeck, B., Schima, W., Skehan, S., Vilgrain, V., Zech, C., Bartolozzi, C., and Manfredi R. (ORCID:0000-0002-4972-9500)

Abstract

Objectives: To develop a consensus and provide updated recommendations on liver MR imaging and the clinical use of liver-specific contrast agents. Methods: The European Society of Gastrointestinal and Abdominal Radiology (ESGAR) formed a multinational European panel of experts, selected on the basis of a literature review and their leadership in the field of liver MR imaging. A modified Delphi process was adopted to draft a list of statements. Descriptive and Cronbach’s statistics were used to rate levels of agreement and internal reliability of the consensus. Results: Three Delphi rounds were conducted and 76 statements composed on MR technique (n = 17), clinical application of liver-specific contrast agents in benign, focal liver lesions (n = 7), malignant liver lesions in non-cirrhotic (n = 9) and in cirrhotic patients (n = 18), diffuse and vascular liver diseases (n = 12), and bile ducts (n = 13). The overall mean score of agreement was 4.84 (SD ±0.17). Full consensus was reached in 22 % of all statements in all working groups, with no full consensus reached on diffuse and vascular diseases. Conclusions: The consensus provided updated recommendations on the methodology, and clinical indications, of MRI with liver specific contrast agents in the study of liver diseases. Key points: • Liver-specific contrast agents are recommended in MRI of the liver. • The hepatobiliary phase improves the detection and characterization of hepatocellular lesions. • Liver-specific contrast agents can improve the detection of HCC.

Published
2016

10. New strategies and designs in pancreatic cancer research: consensus guidelines report from a European expert panel

Author

Van Laethem, J.-L, Verslype, C., Iovanna, J. L., Michl, P., Conroy, T., Louvet, C., Hammel, P., Mitry, E., Ducreux, M., Maraculla, T., Uhl, W., Van Tienhoven, G., Bachet, J. B., Maréchal, R., Hendlisz, A., Bali, M., Demetter, P., Ulrich, F., Aust, D., Luttges, J., Peeters, M., Mauer, M., Roth, A., Neoptolemos, J. P., Lutz, M., Van Laethem, J.-L, Verslype, C., Iovanna, J. L., Michl, P., Conroy, T., Louvet, C., Hammel, P., Mitry, E., Ducreux, M., Maraculla, T., Uhl, W., Van Tienhoven, G., Bachet, J. B., Maréchal, R., Hendlisz, A., Bali, M., Demetter, P., Ulrich, F., Aust, D., Luttges, J., Peeters, M., Mauer, M., Roth, A., Neoptolemos, J. P., and Lutz, M.

Abstract

Although the treatment of pancreatic ductal adenocarcinoma (PDAC) remains a huge challenge, it is entering a new era with the development of new strategies and trial designs. Because there is an increasing number of novel therapeutic agents and potential combinations available to test in patients with PDAC, the identification of robust prognostic and predictive markers and of new targets and relevant pathways is a top priority as well as the design of adequate trials incorporating molecular-driven hypothesis. We presently report a consensus strategy for research in pancreatic cancer that was developed by a multidisciplinary panel of experts from different European institutions and collaborative groups involved in pancreatic cancer. The expert panel embraces the concept of exploratory early proof of concept studies, based on the prediction of response to novel agents and combinations, and randomised phase II studies permitting the selection of the best therapeutic approach to go forward into phase III, where the recommended primary end point remains overall survival. Trials should contain as many translational components as possible, relying on standardised tissue and blood processing and robust biobanking, and including dynamic imaging. Attention should not only be paid to the pancreatic cancer cells but also to microenvironmental factors and stem/stellate cells

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