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Start Over Author "Jason Smith" Journal british journal of anaesthesia
10 results on '"Jason Smith"'

1. A simplified (modified) Duke Activity Status Index (M-DASI) to characterise functional capacity: a secondary analysis of the Measurement of Exercise Tolerance before Surgery (METS) study

Author

Wallace, S., Thompson, B., Ellis, M., Borg, B., Kerridge, R.K., Douglas, J., Brannan, J., Pretto, J., Godsall, M.G., Beauchamp, N., Allen, S., Kennedy, A., Wright, E., Malherbe, J., Ismail, H., Riedel, B., Melville, A., Sivakumar, H., Murmane, A., Kenchington, K., Kirabiyik, Y., Gurunathan, U., Stonell, C., Brunello, K., Steele, K., Tronstad, O., Masel, P., Dent, A., Smith, E., Bodger, A., Abolfathi, M., Sivalingam, P., Hall, A., Painter, T.W., Macklin, S., Elliott, A., Carrera, A.M., Terblanche, N.C.S., Pitt, S., Samuels, J., Wilde, C., Leslie, K., MacCormick, A., Bramley, D., Southcott, A.M., Grant, J., Taylor, H., Bates, S., Towns, M., Tippett, A., Marshall, F., Mazer, C.D., Kunasingam, J., Yagnik, A., Crescini, C., Yagnik, S., McCartney, C.J.L., Choi, S., Somascanthan, P., Flores, K., Au, S., Beattie, W.S., Karkouti, K., Clarke, H.A., Jerath, A., McCluskey, S.A., Wasowicz, M., Day, L., Pazmino-Canizares, J., Oh, P., Belliard, R., Lee, L., Dobson, K., Chan, V., Brull, R., Ami, N., Stanbrook, M., Hagen, K., Campbell, D., Short, T., Van Der Westhuizen, J., Higgie, J.K., Lindsay, H., Jang, R., Wong, C., Mcallister, D., Ali, M., Kumar, J., Waymouth, E., Kim, C., Dimech, J., Lorimer, M., Tai, J., Miller, R., Sara, R., Collingwood, A., Olliff, S., Gabriel, S., Houston, H., Dalley, P., Hurford, S., Hunt, A., Andrews, L., Navarra, L., Jason-Smith, A., Thompson, H., McMillan, N., Back, G., Lum, M., Martin, D., S James, S., Filipe, H., Pinto, M., Kynaston, S., Phull, M., Beilstein, C., Bodger, P., Everingham, K., Hu, Y., Niebrzegowska, E., Corriea, C., Creary, T., Januszewska, M., Ahmad, T., Whalley, J., Haslop, R., McNeil, J., Brown, A., MacDonald, N., Pakats, M., Greaves, K., Jhanji, S., Raobaikady, R., Black, E., Rooms, M., Lawrence, H., Koutra, M., Pirie, K., Gertsman, M., Jack, S., Celinski, M., Levett, D., Edwards, M., Salmon, K., Bolger, C., Loughney, L., Seaward, L., Collins, H., Tyrell, B., Tantony, N., Golder, K., Ackland, G.L., Stephens, R.C.M., Gallego-Paredes, L., Reyes, A., Gutierrez del Arroyo, A., Raj, A., R Lifford, R., Melo, M., Mamdani, M., Hillis, G., Wijeysundera, H.C., Riedel, Bernhard, Li, Michael H-G., Lee, C.H. Angus, Ismail, Hilmy, Cuthbertson, Brian H., Wijeysundera, Duminda N., and Ho, Kwok M.

Published
2021
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2. Integration of the Duke Activity Status Index into preoperative risk evaluation: a multicentre prospective cohort study

Author

Cuthbertson, B.H., Wijeysundera, D.N., Pearse, R.M., Myles, P.S., Abbott, T.E.F., Shulman, M.A., Torres, E., Ambosta, A., Melo, M., Mamdani, M., Thorpe, K.E., Wallace, S., Farrington, C., Croal, B.L., Grocott, M.P.W., Granton, J.T., Oh, P., Thompson, B., Levett, D., Hillis, G., Beattie, W.S., Wijeysundera, H.C., Wijeysundera, Duminda N., Beattie, W. Scott, Hillis, Graham S., Abbott, Tom E.F., Shulman, Mark A., Ackland, Gareth L., Mazer, C. David, Myles, Paul S., Pearse, Rupert M., Cuthbertson, Brian H., Ellis, M., Borg, B., Kerridge, R.K., Douglas, J., Brannan, J., Pretto, J., Godsall, M.G., Beauchamp, N., Allen, S., Kennedy, A., Wright, E., Malherbe, J., Ismail, H., Riedel, B., Melville, A., Sivakumar, H., Murmane, A., Kenchington, K., Kirabiyik, Y., Gurunathan, U., Stonell, C., Brunello, K., Steele, K., Tronstad, O., Masel, P., Dent, A., Smith, E., Bodger, A., Abolfathi, M., Sivalingam, P., Hall, A., Painter, T.W., Macklin, S., Elliott, A., Carrera, A.M., Terblanche, N.C.S., Pitt, S., Samuels, J., Wilde, C., Leslie, K., MacCormick, A., Bramley, D., Southcott, A.M., Grant, J., Taylor, H., Bates, S., Towns, M., Tippett, A., Marshall, F., Mazer, C.D., Kunasingam, J., Yagnik, A., Crescini, C., Yagnik, S., McCartney, C.J.L., Choi, S., Somascanthan, P., Flores, K., Karkouti, K., Clarke, H.A., Jerath, A., McCluskey, S.A., Wasowicz, M., Day, L., Pazmino-Canizares, J., Belliard, R., Lee, L., Dobson, K., Chan, V., Brull, R., Ami, N., Stanbrook, M., Hagen, K., Campbell, D., Short, T., Van Der Westhuizen, J., Higgie, K., Lindsay, H., Jang, R., Wong, C., Mcallister, D., Ali, M., Kumar, J., Waymouth, E., Kim, C., Dimech, J., Lorimer, M., Tai, J., Miller, R., Sara, R., Collingwood, A., Olliff, S., Gabriel, S., Houston, H., Dalley, P., Hurford, S., Hunt, A., Andrews, L., Navarra, L., Jason-Smith, A., Thompson, H., McMillan, N., Back, G., Lum, M., Martin, D., James, S., Filipe, H., Pinto, M., Kynaston, S., Phull, M., Beilstein, C., Bodger, P., Everingham, K., Hu, Y., Niebrzegowska, E., Corriea, C., Creary, T., Januszewska, M., Ahmad, T., Whalley, J., Haslop, R., McNeil, J., Brown, A., MacDonald, N., Pakats, M., Greaves, K., Jhanji, S., Raobaikady, R., Black, E., Rooms, M., Lawrence, H., Koutra, M., Pirie, K., Gertsman, M., Jack, S., Celinski, M., Edwards, M., Salmon, K., Bolger, C., Loughney, L., Seaward, L., Collins, H., Tyrell, B., Tantony, N., Golder, K., Ackland, G.L., Stephens, R.C.M., Gallego-Paredes, L., Reyes, A., Gutierrez del Arroyo, A., Raj, A., and Lifford, R.

Published
2020
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3. Association of preoperative anaemia with cardiopulmonary exercise capacity and postoperative outcomes in noncardiac surgery: a substudy of the Measurement of Exercise Tolerance before Surgery (METS) Study

Author

Myles, P.S., Shulman, M.A., Wallace, S., Farrington, C., Thompson, B., Ellis, M., Borg, B., Kerridge, R.K., Douglas, J., Brannan, J., Pretto, J., Godsall, M.G., Beauchamp, N., Allen, S., Kennedy, A., Wright, E., Malherbe, J., Ismail, H., Riedel, B., Melville, A., Sivakumar, H., Murmane, A., Kenchington, K., Kirabiyik, Y., Gurunathan, U., Stonell, C., Brunello, K., Steele, K., Tronstad, O., Masel, P., Dent, A., Smith, E., Bodger, A., Abolfathi, M., Sivalingam, P., Hall, A., Painter, T.W., Macklin, S., Elliott, A., Carrera, A.M., Terblanche, N.C.S., Pitt, S., Samuels, J., Wilde, C., Leslie, K., MacCormick, A., Bramley, D., Southcott, A.M., Grant, J., Taylor, H., Bates, S., Towns, M., Tippett, A., Marshall, F., Mazer, C.D., Kunasingam, J., Yagnik, A., Crescini, C., Yagnik, S., McCartney, C.J.L., Choi, S., Somascanthan, P., Flores, K., Wijeysundera, D.N., Beattie, W.S., Karkouti, K., Clarke, H.A., Jerath, A., McCluskey, S.A., Wasowicz, M., Granton, J.T., Day, L., Pazmino-Canizares, J., Oh, P., Belliard, R., Lee, L., Dobson, K., Chan, V., Brull, R., Ami, N., Stanbrook, M., Hagen, K., Campbell, D., Short, T., Van Der Westhuizen, J., Higgie, K., Lindsay, H., Jang, R., Wong, C., Mcallister, D., Ali, M., Kumar, J., Waymouth, E., Kim, C., Dimech, J., Lorimer, M., Tai, J., Miller, R., Sara, R., Collingwood, A., Olliff, S., Gabriel, S., Houston, H., Dalley, P., Hurford, S., Hunt, A., Andrews, L., Navarra, L., Jason-Smith, A., Thompson, H., McMillan, N., Back, G., Croal, B.L., Lum, M., Martin, D., James, S., Filipe, H., Pinto, M., Kynaston, S., Pearse, R.M., Abbott, T.E.F., Phull, M., Beilstein, C., Bodger, P., Everingham, K., Hu, Y., Niebrzegowska, E., Corriea, C., Creary, T., Januszewska, M., Ahmad, T., Whalley, J., Haslop, R., McNeil, J., Brown, A., MacDonald, N., Pakats, M., Greaves, K., Jhanji, S., Raobaikady, R., Black, E., Rooms, M., Lawrence, H., Koutra, M., Pirie, K., Gertsman, M., Jack, S., Celinski, M., Levett, D., Edwards, M., Salmon, K., Bolger, C., Loughney, L., Seaward, L., Collins, H., Tyrell, B., Tantony, N., Golder, K., Ackland, G.L., Gallego-Paredes, L., Reyes, A., Gutierrez del Arroyo, A., Raj, A., Lifford, R., Cuthbertson, B.H., Torres, E., Ambosta, A., Melo, M., Mamdani, M., Thorpe, K.E., Grocott, M.P.W., Hillis, G., Wijeysundera, H.C., Bartoszko, J., and Laupacis, A.

Published
2019
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4. Using the 6-minute walk test to predict disability-free survival after major surgery

Author

Wallace, S., Thompson, B., Ellis, M., Borg, B., Kerridge, R.K., Douglas, J., Brannan, J., Pretto, J., Godsall, M.G., Beauchamp, N., Allen, S., Kennedy, A., Wright, E., Malherbe, J., Ismail, H., Riedel, B., Melville, A., Sivakumar, H., Murmane, A., Kenchington, K., Gurunathan, U., Stonell, C., Brunello, K., Steele, K., Tronstad, O., Masel, P., Dent, A., Smith, E., Bodger, A., Abolfathi, M., Sivalingam, P., Hall, A., Painter, T., Macklin, S., Elliott, A., Carrera, A.M., Terblanche, N.C.S., Pitt, S., Samuels, J., Wilde, C., MacCormick, A., Leslie, K., Bramley, D., Southcott, A.M., Grant, J., Taylor, H., Bates, S., Towns, M., Tippett, A., Marshall, F., McCartney, C.J.L., Choi, S., Somascanthan, P., Flores, K., Beattie, W.S., Karkouti, K., Clarke, H.A., Jerath, A., McCluskey, S.A., Wasowicz, M., Granton, J.T., Day, L., Pazmino-Canizares, J., Hagen, K., Campbell, D., Short, T., Van Der Westhuizen, J., Higgie, K., Lindsay, H., Jang, R., Wong, C., Mcallister, D., Ali, M., Kumar, J., Waymouth, E., Kim, C., Dimech, J., Lorimer, M., Tai, J., Miller, R., Sara, R., Collingwood, A., Olliff, S., Gabriel, S., Houston, H., Dalley, P., Hurford, S., Hunt, A., Andrews, L., Navarra, L., Jason-Smith, A., Thompson, H., McMillan, N., Back, G., Melo, M., Mamdani, M., Hillis, G., Wijeysundera, H.C., Shulman, M.A., Cuthbertson, B.H., Wijeysundera, D.N., Pearse, R.M., Torres, E., Ambosta, A., Farrington, C., and Myles, P.S.

Published
2019
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5. A simplified (modified) Duke Activity Status Index (M-DASI) to characterise functional capacity: a secondary analysis of the Measurement of Exercise Tolerance before Surgery (METS) study

Author

Riedel, Bernhard, primary, Li, Michael H-G., additional, Lee, C.H. Angus, additional, Ismail, Hilmy, additional, Cuthbertson, Brian H., additional, Wijeysundera, Duminda N., additional, Ho, Kwok M., additional, Wallace, S., additional, Thompson, B., additional, Ellis, M., additional, Borg, B., additional, Kerridge, R.K., additional, Douglas, J., additional, Brannan, J., additional, Pretto, J., additional, Godsall, M.G., additional, Beauchamp, N., additional, Allen, S., additional, Kennedy, A., additional, Wright, E., additional, Malherbe, J., additional, Ismail, H., additional, Riedel, B., additional, Melville, A., additional, Sivakumar, H., additional, Murmane, A., additional, Kenchington, K., additional, Kirabiyik, Y., additional, Gurunathan, U., additional, Stonell, C., additional, Brunello, K., additional, Steele, K., additional, Tronstad, O., additional, Masel, P., additional, Dent, A., additional, Smith, E., additional, Bodger, A., additional, Abolfathi, M., additional, Sivalingam, P., additional, Hall, A., additional, Painter, T.W., additional, Macklin, S., additional, Elliott, A., additional, Carrera, A.M., additional, Terblanche, N.C.S., additional, Pitt, S., additional, Samuels, J., additional, Wilde, C., additional, Leslie, K., additional, MacCormick, A., additional, Bramley, D., additional, Southcott, A.M., additional, Grant, J., additional, Taylor, H., additional, Bates, S., additional, Towns, M., additional, Tippett, A., additional, Marshall, F., additional, Mazer, C.D., additional, Kunasingam, J., additional, Yagnik, A., additional, Crescini, C., additional, Yagnik, S., additional, McCartney, C.J.L., additional, Choi, S., additional, Somascanthan, P., additional, Flores, K., additional, Au, S., additional, Beattie, W.S., additional, Karkouti, K., additional, Clarke, H.A., additional, Jerath, A., additional, McCluskey, S.A., additional, Wasowicz, M., additional, Day, L., additional, Pazmino-Canizares, J., additional, Oh, P., additional, Belliard, R., additional, Lee, L., additional, Dobson, K., additional, Chan, V., additional, Brull, R., additional, Ami, N., additional, Stanbrook, M., additional, Hagen, K., additional, Campbell, D., additional, Short, T., additional, Van Der Westhuizen, J., additional, Higgie, J.K., additional, Lindsay, H., additional, Jang, R., additional, Wong, C., additional, Mcallister, D., additional, Ali, M., additional, Kumar, J., additional, Waymouth, E., additional, Kim, C., additional, Dimech, J., additional, Lorimer, M., additional, Tai, J., additional, Miller, R., additional, Sara, R., additional, Collingwood, A., additional, Olliff, S., additional, Gabriel, S., additional, Houston, H., additional, Dalley, P., additional, Hurford, S., additional, Hunt, A., additional, Andrews, L., additional, Navarra, L., additional, Jason-Smith, A., additional, Thompson, H., additional, McMillan, N., additional, Back, G., additional, Lum, M., additional, Martin, D., additional, S James, S., additional, Filipe, H., additional, Pinto, M., additional, Kynaston, S., additional, Phull, M., additional, Beilstein, C., additional, Bodger, P., additional, Everingham, K., additional, Hu, Y., additional, Niebrzegowska, E., additional, Corriea, C., additional, Creary, T., additional, Januszewska, M., additional, Ahmad, T., additional, Whalley, J., additional, Haslop, R., additional, McNeil, J., additional, Brown, A., additional, MacDonald, N., additional, Pakats, M., additional, Greaves, K., additional, Jhanji, S., additional, Raobaikady, R., additional, Black, E., additional, Rooms, M., additional, Lawrence, H., additional, Koutra, M., additional, Pirie, K., additional, Gertsman, M., additional, Jack, S., additional, Celinski, M., additional, Levett, D., additional, Edwards, M., additional, Salmon, K., additional, Bolger, C., additional, Loughney, L., additional, Seaward, L., additional, Collins, H., additional, Tyrell, B., additional, Tantony, N., additional, Golder, K., additional, Ackland, G.L., additional, Stephens, R.C.M., additional, Gallego-Paredes, L., additional, Reyes, A., additional, Gutierrez del Arroyo, A., additional, Raj, A., additional, R Lifford, R., additional, Melo, M., additional, Mamdani, M., additional, Hillis, G., additional, and Wijeysundera, H.C., additional

Published
2021
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6. Integration of the Duke Activity Status Index into preoperative risk evaluation: a multicentre prospective cohort study

Author

Wijeysundera, Duminda N., primary, Beattie, W. Scott, additional, Hillis, Graham S., additional, Abbott, Tom E.F., additional, Shulman, Mark A., additional, Ackland, Gareth L., additional, Mazer, C. David, additional, Myles, Paul S., additional, Pearse, Rupert M., additional, Cuthbertson, Brian H., additional, Myles, P.S., additional, Shulman, M.A., additional, Wallace, S., additional, Farrington, C., additional, Thompson, B., additional, Ellis, M., additional, Borg, B., additional, Kerridge, R.K., additional, Douglas, J., additional, Brannan, J., additional, Pretto, J., additional, Godsall, M.G., additional, Beauchamp, N., additional, Allen, S., additional, Kennedy, A., additional, Wright, E., additional, Malherbe, J., additional, Ismail, H., additional, Riedel, B., additional, Melville, A., additional, Sivakumar, H., additional, Murmane, A., additional, Kenchington, K., additional, Kirabiyik, Y., additional, Gurunathan, U., additional, Stonell, C., additional, Brunello, K., additional, Steele, K., additional, Tronstad, O., additional, Masel, P., additional, Dent, A., additional, Smith, E., additional, Bodger, A., additional, Abolfathi, M., additional, Sivalingam, P., additional, Hall, A., additional, Painter, T.W., additional, Macklin, S., additional, Elliott, A., additional, Carrera, A.M., additional, Terblanche, N.C.S., additional, Pitt, S., additional, Samuels, J., additional, Wilde, C., additional, Leslie, K., additional, MacCormick, A., additional, Bramley, D., additional, Southcott, A.M., additional, Grant, J., additional, Taylor, H., additional, Bates, S., additional, Towns, M., additional, Tippett, A., additional, Marshall, F., additional, Mazer, C.D., additional, Kunasingam, J., additional, Yagnik, A., additional, Crescini, C., additional, Yagnik, S., additional, McCartney, C.J.L., additional, Choi, S., additional, Somascanthan, P., additional, Flores, K., additional, Wijeysundera, D.N., additional, Beattie, W.S., additional, Karkouti, K., additional, Clarke, H.A., additional, Jerath, A., additional, McCluskey, S.A., additional, Wasowicz, M., additional, Granton, J.T., additional, Day, L., additional, Pazmino-Canizares, J., additional, Oh, P., additional, Belliard, R., additional, Lee, L., additional, Dobson, K., additional, Chan, V., additional, Brull, R., additional, Ami, N., additional, Stanbrook, M., additional, Hagen, K., additional, Campbell, D., additional, Short, T., additional, Van Der Westhuizen, J., additional, Higgie, K., additional, Lindsay, H., additional, Jang, R., additional, Wong, C., additional, Mcallister, D., additional, Ali, M., additional, Kumar, J., additional, Waymouth, E., additional, Kim, C., additional, Dimech, J., additional, Lorimer, M., additional, Tai, J., additional, Miller, R., additional, Sara, R., additional, Collingwood, A., additional, Olliff, S., additional, Gabriel, S., additional, Houston, H., additional, Dalley, P., additional, Hurford, S., additional, Hunt, A., additional, Andrews, L., additional, Navarra, L., additional, Jason-Smith, A., additional, Thompson, H., additional, McMillan, N., additional, Back, G., additional, Croal, B.L., additional, Lum, M., additional, Martin, D., additional, James, S., additional, Filipe, H., additional, Pinto, M., additional, Kynaston, S., additional, Pearse, R.M., additional, Abbott, T.E.F., additional, Phull, M., additional, Beilstein, C., additional, Bodger, P., additional, Everingham, K., additional, Hu, Y., additional, Niebrzegowska, E., additional, Corriea, C., additional, Creary, T., additional, Januszewska, M., additional, Ahmad, T., additional, Whalley, J., additional, Haslop, R., additional, McNeil, J., additional, Brown, A., additional, MacDonald, N., additional, Pakats, M., additional, Greaves, K., additional, Jhanji, S., additional, Raobaikady, R., additional, Black, E., additional, Rooms, M., additional, Lawrence, H., additional, Koutra, M., additional, Pirie, K., additional, Gertsman, M., additional, Jack, S., additional, Celinski, M., additional, Levett, D., additional, Edwards, M., additional, Salmon, K., additional, Bolger, C., additional, Loughney, L., additional, Seaward, L., additional, Collins, H., additional, Tyrell, B., additional, Tantony, N., additional, Golder, K., additional, Ackland, G.L., additional, Stephens, R.C.M., additional, Gallego-Paredes, L., additional, Reyes, A., additional, Gutierrez del Arroyo, A., additional, Raj, A., additional, Lifford, R., additional, Cuthbertson, B.H., additional, Torres, E., additional, Ambosta, A., additional, Melo, M., additional, Mamdani, M., additional, Thorpe, K.E., additional, Grocott, M.P.W., additional, Hillis, G., additional, and Wijeysundera, H.C., additional

Published
2020
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7. A simplified (modified) Duke Activity Status Index (M-DASI) to characterise functional capacity: a secondary analysis of the Measurement of Exercise Tolerance before Surgery (METS) study

Author

Harindra C. Wijeysundera, Marcin Wasowicz, M. Ellis, S. Pitt, Robert C M Stephens, Ethel Black, N. McMillan, B. Riedel, J. Tai, Manuel Pinto, Lisa Loughney, C. Wilde, D. Bramley, H. Thompson, H. Lawrence, Y. Kirabiyik, E. Smith, C. Bolger, Usha Gurunathan, N. Tantony, Hannah Collins, Timothy G. Short, A. Raj, Thais Creary, N. Ami, B. Borg, S. Gabriel, A.M. Southcott, S. Yagnik, D. Campbell, A. Hunt, Chang Joon Kim, Paul Oh, T. Ahmad, Sarah James, C. Crescini, K. Hagen, J. Malherbe, M. Lorimer, R. Raobaikady, D. Mcallister, R. Jang, Annette Dent, L. Day, Philip Masel, Helder Filipe, W.S. Beattie, J.K. Higgie, Thomas Painter, M. Gertsman, Angela Jerath, H. Sivakumar, Christopher X. Wong, A. Jason-Smith, M. Stanbrook, Marta Januszewska, L. Lee, Keyvan Karkouti, Phoebe Bodger, G. Back, P. Sivalingam, Michael H-G. Li, Andrew Macalister Hall, Hugh Taylor, J. Douglas, Helen Houston, K. Steele, R. Belliard, Kirsty Everingham, Ellen Waymouth, Shelly Au, S. Macklin, C.H. Angus Lee, E. Wright, Bruce Thompson, A. Bodger, Jeffrey J. Pretto, Mark J. Edwards, Edyta Niebrzegowska, J. Whalley, Fiona H. Marshall, M. Lum, S. Allen, Mandeep-Kaur Phull, C.D. Mazer, Christopher A. Stonell, Daniel Martin, K. Brunello, John J McNeil, Sandy Jack, Neil MacDonald, A. Gutierrez del Arroyo, S. Bates, Richard Brull, Graham S Hillis, A. Kennedy, J. Kunasingam, J. Pazmino-Canizares, Hilmy Ismail, Karen Salmon, M. Towns, L. Andrews, Gareth L. Ackland, M. Melo, A. Murmane, Kwok M. Ho, Karen Dobson, K. Pirie, R. Miller, J. Samuels, Richard Haslop, J. Brannan, J. Kumar, R Kerridge, Michael Celinski, S. Wallace, John Grant, P. Dalley, Leanne Seaward, Colin J L McCartney, Christian M. Beilstein, Stuart A. McCluskey, J. Van Der Westhuizen, Shaman Jhanji, S. Kynaston, Kate Leslie, L. Gallego-Paredes, J. Dimech, R. Lifford, M.G. Godsall, Vincent W. S. Chan, Andrew M. Brown, L. Navarra, Ying Hu, Marlynn Ali, M. Koutra, Brian H. Cuthbertson, N Terblanche, Stephen Choi, Helen A. Lindsay, M. Abolfathi, Hance Clarke, Bryony Tyrell, Duminda N. Wijeysundera, A.M. Carrera, Martin Rooms, R. Sara, Oystein Tronstad, P. Somascanthan, H. Ismail, K. Greaves, S. Olliff, A. MacCormick, A. Collingwood, Adrian D. Elliott, M. Pakats, Muhammad Mamdani, K. Kenchington, C. Corriea, Denny Z. H. Levett, K. Flores, S. Hurford, Anmol Yagnik, A. Tippett, Bernhard Riedel, Anna Reyes, A. Melville, N. Beauchamp, and Kim Golder

Subjects
Male, medicine.medical_specialty, Cross-sectional study, Health Status, Preoperative care, Risk Assessment, 03 medical and health sciences, 0302 clinical medicine, Postoperative Complications, 030202 anesthesiology, Anesthesiology, Secondary analysis, Surveys and Questionnaires, Preoperative Care, medicine, Humans, Aged, Exercise Tolerance, business.industry, VO2 max, Middle Aged, Surgery, Anesthesiology and Pain Medicine, Activity Status, Cross-Sectional Studies, Exercise Test, Female, Risk assessment, business, Anaerobic exercise
Abstract

Background Accurate assessment of functional capacity, a predictor of postoperative morbidity and mortality, is essential to improving surgical planning and outcomes. We assessed if all 12 items of the Duke Activity Status Index (DASI) were equally important in reflecting exercise capacity. Methods In this secondary cross-sectional analysis of the international, multicentre Measurement of Exercise Tolerance before Surgery (METS) study, we assessed cardiopulmonary exercise testing and DASI data from 1455 participants. Multivariable regression analyses were used to revise the DASI model in predicting an anaerobic threshold (AT) >11 ml kg−1 min−1 and peak oxygen consumption (VO2 peak) >16 ml kg−1 min−1, cut-points that represent a reduced risk of postoperative complications. Results Five questions were identified to have dominance in predicting AT>11 ml kg−1 min−1 and VO2 peak>16 ml.kg−1min−1. These items were included in the M-DASI-5Q and retained utility in predicting AT>11 ml.kg−1.min−1 (area under the receiver-operating-characteristic [AUROC]-AT: M-DASI-5Q=0.67 vs original 12-question DASI=0.66) and VO2 peak (AUROC-VO2 peak: M-DASI-5Q 0.73 vs original 12-question DASI 0.71). Conversely, in a sensitivity analysis we removed one potentially sensitive question related to the ability to have sexual relations, and the ability of the remaining four questions (M-DASI-4Q) to predict an adequate functional threshold remained no worse than the original 12-question DASI model. Adding a dynamic component to the M-DASI-4Q by assessing the chronotropic response to exercise improved its ability to discriminate between those with VO2 peak>16 ml.kg−1.min−1 and VO2 peak Conclusions The M-DASI provides a simple screening tool for further preoperative evaluation, including with cardiopulmonary exercise testing, to guide perioperative management.

Published
2020

8. Integration of the Duke Activity Status Index into preoperative risk evaluation: a multicentre prospective cohort study

Author

Duminda N. Wijeysundera, W. Scott Beattie, Graham S. Hillis, Tom E.F. Abbott, Mark A. Shulman, Gareth L. Ackland, C. David Mazer, Paul S. Myles, Rupert M. Pearse, Brian H. Cuthbertson, P.S. Myles, M.A. Shulman, S. Wallace, C. Farrington, B. Thompson, M. Ellis, B. Borg, R.K. Kerridge, J. Douglas, J. Brannan, J. Pretto, M.G. Godsall, N. Beauchamp, S. Allen, A. Kennedy, E. Wright, J. Malherbe, H. Ismail, B. Riedel, A. Melville, H. Sivakumar, A. Murmane, K. Kenchington, Y. Kirabiyik, U. Gurunathan, C. Stonell, K. Brunello, K. Steele, O. Tronstad, P. Masel, A. Dent, E. Smith, A. Bodger, M. Abolfathi, P. Sivalingam, A. Hall, T.W. Painter, S. Macklin, A. Elliott, A.M. Carrera, N.C.S. Terblanche, S. Pitt, J. Samuels, C. Wilde, K. Leslie, A. MacCormick, D. Bramley, A.M. Southcott, J. Grant, H. Taylor, S. Bates, M. Towns, A. Tippett, F. Marshall, C.D. Mazer, J. Kunasingam, A. Yagnik, C. Crescini, S. Yagnik, C.J.L. McCartney, S. Choi, P. Somascanthan, K. Flores, D.N. Wijeysundera, W.S. Beattie, K. Karkouti, H.A. Clarke, A. Jerath, S.A. McCluskey, M. Wasowicz, J.T. Granton, L. Day, J. Pazmino-Canizares, P. Oh, R. Belliard, L. Lee, K. Dobson, V. Chan, R. Brull, N. Ami, M. Stanbrook, K. Hagen, D. Campbell, T. Short, J. Van Der Westhuizen, K. Higgie, H. Lindsay, R. Jang, C. Wong, D. Mcallister, M. Ali, J. Kumar, E. Waymouth, C. Kim, J. Dimech, M. Lorimer, J. Tai, R. Miller, R. Sara, A. Collingwood, S. Olliff, S. Gabriel, H. Houston, P. Dalley, S. Hurford, A. Hunt, L. Andrews, L. Navarra, A. Jason-Smith, H. Thompson, N. McMillan, G. Back, B.L. Croal, M. Lum, D. Martin, S. James, H. Filipe, M. Pinto, S. Kynaston, R.M. Pearse, T.E.F. Abbott, M. Phull, C. Beilstein, P. Bodger, K. Everingham, Y. Hu, E. Niebrzegowska, C. Corriea, T. Creary, M. Januszewska, T. Ahmad, J. Whalley, R. Haslop, J. McNeil, A. Brown, N. MacDonald, M. Pakats, K. Greaves, S. Jhanji, R. Raobaikady, E. Black, M. Rooms, H. Lawrence, M. Koutra, K. Pirie, M. Gertsman, S. Jack, M. Celinski, D. Levett, M. Edwards, K. Salmon, C. Bolger, L. Loughney, L. Seaward, H. Collins, B. Tyrell, N. Tantony, K. Golder, G.L. Ackland, R.C.M. Stephens, L. Gallego-Paredes, A. Reyes, A. Gutierrez del Arroyo, A. Raj, R. Lifford, B.H. Cuthbertson, E. Torres, A. Ambosta, M. Melo, M. Mamdani, K.E. Thorpe, M.P.W. Grocott, G. Hillis, and H.C. Wijeysundera

Subjects
Adult, Male, medicine.medical_specialty, Health Status, Myocardial Infarction, Logistic regression, Preoperative care, Risk Assessment, Odds, 03 medical and health sciences, 0302 clinical medicine, Postoperative Complications, 030202 anesthesiology, Risk Factors, Internal medicine, Surveys and Questionnaires, Natriuretic Peptide, Brain, Preoperative Care, medicine, Health Status Indicators, Humans, Myocardial infarction, Prospective Studies, Prospective cohort study, Aged, Exercise Tolerance, business.industry, Odds ratio, Middle Aged, medicine.disease, Prognosis, Confidence interval, Peptide Fragments, Anesthesiology and Pain Medicine, Female, Self Report, business, Biomarkers, Cohort study
Abstract

Background The Duke Activity Status Index (DASI) questionnaire might help incorporate self-reported functional capacity into preoperative risk assessment. Nonetheless, prognostically important thresholds in DASI scores remain unclear. We conducted a nested cohort analysis of the Measurement of Exercise Tolerance before Surgery (METS) study to characterise the association of preoperative DASI scores with postoperative death or complications. Methods The analysis included 1546 participants (≥40 yr of age) at an elevated cardiac risk who had inpatient noncardiac surgery. The primary outcome was 30-day death or myocardial injury. The secondary outcomes were 30-day death or myocardial infarction, in-hospital moderate-to-severe complications, and 1 yr death or new disability. Multivariable logistic regression modelling was used to characterise the adjusted association of preoperative DASI scores with outcomes. Results The DASI score had non-linear associations with outcomes. Self-reported functional capacity better than a DASI score of 34 was associated with reduced odds of 30-day death or myocardial injury (odds ratio: 0.97 per 1 point increase above 34; 95% confidence interval [CI]: 0.96–0.99) and 1 yr death or new disability (odds ratio: 0.96 per 1 point increase above 34; 95% CI: 0.92–0.99). Self-reported functional capacity worse than a DASI score of 34 was associated with increased odds of 30-day death or myocardial infarction (odds ratio: 1.05 per 1 point decrease below 34; 95% CI: 1.00–1.09), and moderate-to-severe complications (odds ratio: 1.03 per 1 point decrease below 34; 95% CI: 1.01–1.05). Conclusions A DASI score of 34 represents a threshold for identifying patients at risk for myocardial injury, myocardial infarction, moderate-to-severe complications, and new disability.

Published
2019

9. Association of preoperative anaemia with cardiopulmonary exercise capacity and postoperative outcomes in noncardiac surgery: a substudy of the Measurement of Exercise Tolerance before Surgery (METS) Study

Author

Bartoszko, J., primary, Thorpe, K.E., additional, Laupacis, A., additional, Wijeysundera, D.N., additional, Myles, P.S., additional, Shulman, M.A., additional, Wallace, S., additional, Farrington, C., additional, Thompson, B., additional, Ellis, M., additional, Borg, B., additional, Kerridge, R.K., additional, Douglas, J., additional, Brannan, J., additional, Pretto, J., additional, Godsall, M.G., additional, Beauchamp, N., additional, Allen, S., additional, Kennedy, A., additional, Wright, E., additional, Malherbe, J., additional, Ismail, H., additional, Riedel, B., additional, Melville, A., additional, Sivakumar, H., additional, Murmane, A., additional, Kenchington, K., additional, Kirabiyik, Y., additional, Gurunathan, U., additional, Stonell, C., additional, Brunello, K., additional, Steele, K., additional, Tronstad, O., additional, Masel, P., additional, Dent, A., additional, Smith, E., additional, Bodger, A., additional, Abolfathi, M., additional, Sivalingam, P., additional, Hall, A., additional, Painter, T.W., additional, Macklin, S., additional, Elliott, A., additional, Carrera, A.M., additional, Terblanche, N.C.S., additional, Pitt, S., additional, Samuels, J., additional, Wilde, C., additional, Leslie, K., additional, MacCormick, A., additional, Bramley, D., additional, Southcott, A.M., additional, Grant, J., additional, Taylor, H., additional, Bates, S., additional, Towns, M., additional, Tippett, A., additional, Marshall, F., additional, Mazer, C.D., additional, Kunasingam, J., additional, Yagnik, A., additional, Crescini, C., additional, Yagnik, S., additional, McCartney, C.J.L., additional, Choi, S., additional, Somascanthan, P., additional, Flores, K., additional, Beattie, W.S., additional, Karkouti, K., additional, Clarke, H.A., additional, Jerath, A., additional, McCluskey, S.A., additional, Wasowicz, M., additional, Granton, J.T., additional, Day, L., additional, Pazmino-Canizares, J., additional, Oh, P., additional, Belliard, R., additional, Lee, L., additional, Dobson, K., additional, Chan, V., additional, Brull, R., additional, Ami, N., additional, Stanbrook, M., additional, Hagen, K., additional, Campbell, D., additional, Short, T., additional, Van Der Westhuizen, J., additional, Higgie, K., additional, Lindsay, H., additional, Jang, R., additional, Wong, C., additional, Mcallister, D., additional, Ali, M., additional, Kumar, J., additional, Waymouth, E., additional, Kim, C., additional, Dimech, J., additional, Lorimer, M., additional, Tai, J., additional, Miller, R., additional, Sara, R., additional, Collingwood, A., additional, Olliff, S., additional, Gabriel, S., additional, Houston, H., additional, Dalley, P., additional, Hurford, S., additional, Hunt, A., additional, Andrews, L., additional, Navarra, L., additional, Jason-Smith, A., additional, Thompson, H., additional, McMillan, N., additional, Back, G., additional, Croal, B.L., additional, Lum, M., additional, Martin, D., additional, James, S., additional, Filipe, H., additional, Pinto, M., additional, Kynaston, S., additional, Pearse, R.M., additional, Abbott, T.E.F., additional, Phull, M., additional, Beilstein, C., additional, Bodger, P., additional, Everingham, K., additional, Hu, Y., additional, Niebrzegowska, E., additional, Corriea, C., additional, Creary, T., additional, Januszewska, M., additional, Ahmad, T., additional, Whalley, J., additional, Haslop, R., additional, McNeil, J., additional, Brown, A., additional, MacDonald, N., additional, Pakats, M., additional, Greaves, K., additional, Jhanji, S., additional, Raobaikady, R., additional, Black, E., additional, Rooms, M., additional, Lawrence, H., additional, Koutra, M., additional, Pirie, K., additional, Gertsman, M., additional, Jack, S., additional, Celinski, M., additional, Levett, D., additional, Edwards, M., additional, Salmon, K., additional, Bolger, C., additional, Loughney, L., additional, Seaward, L., additional, Collins, H., additional, Tyrell, B., additional, Tantony, N., additional, Golder, K., additional, Ackland, G.L., additional, Gallego-Paredes, L., additional, Reyes, A., additional, Gutierrez del Arroyo, A., additional, Raj, A., additional, Lifford, R., additional, Cuthbertson, B.H., additional, Torres, E., additional, Ambosta, A., additional, Melo, M., additional, Mamdani, M., additional, Grocott, M.P.W., additional, Hillis, G., additional, and Wijeysundera, H.C., additional

Published
2019
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10. Using the 6-minute walk test to predict disability-free survival after major surgery

Author

Shulman, M.A., primary, Cuthbertson, B.H., additional, Wijeysundera, D.N., additional, Pearse, R.M., additional, Thompson, B., additional, Torres, E., additional, Ambosta, A., additional, Wallace, S., additional, Farrington, C., additional, Myles, P.S., additional, Ellis, M., additional, Borg, B., additional, Kerridge, R.K., additional, Douglas, J., additional, Brannan, J., additional, Pretto, J., additional, Godsall, M.G., additional, Beauchamp, N., additional, Allen, S., additional, Kennedy, A., additional, Wright, E., additional, Malherbe, J., additional, Ismail, H., additional, Riedel, B., additional, Melville, A., additional, Sivakumar, H., additional, Murmane, A., additional, Kenchington, K., additional, Gurunathan, U., additional, Stonell, C., additional, Brunello, K., additional, Steele, K., additional, Tronstad, O., additional, Masel, P., additional, Dent, A., additional, Smith, E., additional, Bodger, A., additional, Abolfathi, M., additional, Sivalingam, P., additional, Hall, A., additional, Painter, T., additional, Macklin, S., additional, Elliott, A., additional, Carrera, A.M., additional, Terblanche, N.C.S., additional, Pitt, S., additional, Samuels, J., additional, Wilde, C., additional, MacCormick, A., additional, Leslie, K., additional, Bramley, D., additional, Southcott, A.M., additional, Grant, J., additional, Taylor, H., additional, Bates, S., additional, Towns, M., additional, Tippett, A., additional, Marshall, F., additional, McCartney, C.J.L., additional, Choi, S., additional, Somascanthan, P., additional, Flores, K., additional, Beattie, W.S., additional, Karkouti, K., additional, Clarke, H.A., additional, Jerath, A., additional, McCluskey, S.A., additional, Wasowicz, M., additional, Granton, J.T., additional, Day, L., additional, Pazmino-Canizares, J., additional, Hagen, K., additional, Campbell, D., additional, Short, T., additional, Van Der Westhuizen, J., additional, Higgie, K., additional, Lindsay, H., additional, Jang, R., additional, Wong, C., additional, Mcallister, D., additional, Ali, M., additional, Kumar, J., additional, Waymouth, E., additional, Kim, C., additional, Dimech, J., additional, Lorimer, M., additional, Tai, J., additional, Miller, R., additional, Sara, R., additional, Collingwood, A., additional, Olliff, S., additional, Gabriel, S., additional, Houston, H., additional, Dalley, P., additional, Hurford, S., additional, Hunt, A., additional, Andrews, L., additional, Navarra, L., additional, Jason-Smith, A., additional, Thompson, H., additional, McMillan, N., additional, Back, G., additional, Melo, M., additional, Mamdani, M., additional, Hillis, G., additional, and Wijeysundera, H.C., additional

Published
2019
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