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1. 2023 International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science With Treatment Recommendations: Summary From the Basic Life Support; Advanced Life Support; Pediatric Life Support; Neonatal Life Support; Education, Implementation, and Teams; and First Aid Task Forces

Author

Berg, K. M., Bray, J. E., Ng, K. -C., Liley, H. G., Greif, R., Carlson, J. N., Morley, P. T., Drennan, I. R., Smyth, M., Scholefield, B. R., Weiner, G. M., Cheng, A., Djarv, T., Abelairas-Gomez, C., Acworth, J., Andersen, L. W., Atkins, D. L., Berry, D. C., Bhanji, F., Bierens, J., Couto, T. B., Borra, V., Bottiger, B. W., Bradley, R. N., Breckwoldt, J., Cassan, P., Chang, W. -T., Charlton, N. P., Chung, S. P., Considine, J., Costa-Nobre, D. T., Couper, K., Dainty, K. N., Dassanayake, V., Davis, P. G., Dawson, J. A., de Almeida, M. F., De Caen, A. R., Deakin, C. D., Dicker, B., Douma, M. J., Eastwood, K., El-Naggar, W., Fabres, J. G., Fawke, J., Fijacko, N., Finn, J. C., Flores, G. E., Foglia, E. E., Folke, F., Gilfoyle, E., Goolsby, C. A., Granfeldt, A., Guerguerian, A. -M., Guinsburg, R., Hatanaka, T., Hirsch, K. G., Holmberg, M. J., Hosono, S., Hsieh, M. -J., Hsu, C. H., Ikeyama, T., Isayama, T., Johnson, N. J., Kapadia, V. S., Kawakami, M. D., Kim, H. -S., Kleinman, M. E., Kloeck, D. A., Kudenchuk, P., Kule, A., Kurosawa, H., Lagina, A. T., Lauridsen, K. G., Lavonas, E. J., Lee, H. C., Lin, Y., Lockey, A. S., Macneil, F., Maconochie, I. K., Madar, R. J., Hansen, C. M., Masterson, S., Matsuyama, T., Mckinlay, C. J. D., Meyran, D., Monnelly, V., Nadkarni, V., Nakwa, F. L., Nation, K. J., Nehme, Z., Nemeth, M., Neumar, R. W., Nicholson, T., Nikolaou, N., Nishiyama, C., Norii, T., Nuthall, G. A., Ohshimo, S., Olasveengen, T. M., Ong, Y. -K. G., Orkin, A. M., Parr, M. J., Patocka, C., Perkins, G. D., Perlman, J. M., Rabi, Y., Raitt, J., Ramachandran, S., Ramaswamy, V. V., Raymond, T. T., Reis, A. G., Reynolds, J. C., Ristagno, G., Rodriguez-Nunez, A., Roehr, C. C., Rudiger, M., Sakamoto, T., Sandroni, Claudio, Sawyer, T. L., Schexnayder, S. M., Schmolzer, G. M., Schnaubelt, S., Semeraro, F., Singletary, E. M., Skrifvars, M. B., Smith, C. M., Soar, J., Stassen, W., Sugiura, T., Tijssen, J. A., Topjian, A. A., Trevisanuto, D., Vaillancourt, C., Wyckoff, M. H., Wyllie, J. P., Yang, C. -W., Yeung, J., Zelop, C. M., Zideman, D. A., Nolan, J. P., Barcala-Furelos, R., Beerman, S. B., Bruckner, M., Castren, M., Chong, S., Claesson, A., Dunne, C. L., Finan, E., Fukuda, T., Ganesan, S. L., Gately, C., Gois, A., Gray, S., Halamek, L. P., Hoover, A. V., Hurst, C., Josephsen, J., Kollander, L., Kamlin, C. O., Kool, M., Li, L., Mecrow, T. S., Montgomery, W., Ristau, P., Jayashree, M., Schmidt, A., Scquizzato, T. -M., Seesink, J., Sempsrott, J., Solevag, A. L., Strand, M. L., Szpilman, D., Szyld, E., Thom, O., Tobin, J. M., Trang, J., Webber, J., Webster, H. K., Wellsford, M., Sandroni C. (ORCID:0000-0002-8878-2611), Berg, K. M., Bray, J. E., Ng, K. -C., Liley, H. G., Greif, R., Carlson, J. N., Morley, P. T., Drennan, I. R., Smyth, M., Scholefield, B. R., Weiner, G. M., Cheng, A., Djarv, T., Abelairas-Gomez, C., Acworth, J., Andersen, L. W., Atkins, D. L., Berry, D. C., Bhanji, F., Bierens, J., Couto, T. B., Borra, V., Bottiger, B. W., Bradley, R. N., Breckwoldt, J., Cassan, P., Chang, W. -T., Charlton, N. P., Chung, S. P., Considine, J., Costa-Nobre, D. T., Couper, K., Dainty, K. N., Dassanayake, V., Davis, P. G., Dawson, J. A., de Almeida, M. F., De Caen, A. R., Deakin, C. D., Dicker, B., Douma, M. J., Eastwood, K., El-Naggar, W., Fabres, J. G., Fawke, J., Fijacko, N., Finn, J. C., Flores, G. E., Foglia, E. E., Folke, F., Gilfoyle, E., Goolsby, C. A., Granfeldt, A., Guerguerian, A. -M., Guinsburg, R., Hatanaka, T., Hirsch, K. G., Holmberg, M. J., Hosono, S., Hsieh, M. -J., Hsu, C. H., Ikeyama, T., Isayama, T., Johnson, N. J., Kapadia, V. S., Kawakami, M. D., Kim, H. -S., Kleinman, M. E., Kloeck, D. A., Kudenchuk, P., Kule, A., Kurosawa, H., Lagina, A. T., Lauridsen, K. G., Lavonas, E. J., Lee, H. C., Lin, Y., Lockey, A. S., Macneil, F., Maconochie, I. K., Madar, R. J., Hansen, C. M., Masterson, S., Matsuyama, T., Mckinlay, C. J. D., Meyran, D., Monnelly, V., Nadkarni, V., Nakwa, F. L., Nation, K. J., Nehme, Z., Nemeth, M., Neumar, R. W., Nicholson, T., Nikolaou, N., Nishiyama, C., Norii, T., Nuthall, G. A., Ohshimo, S., Olasveengen, T. M., Ong, Y. -K. G., Orkin, A. M., Parr, M. J., Patocka, C., Perkins, G. D., Perlman, J. M., Rabi, Y., Raitt, J., Ramachandran, S., Ramaswamy, V. V., Raymond, T. T., Reis, A. G., Reynolds, J. C., Ristagno, G., Rodriguez-Nunez, A., Roehr, C. C., Rudiger, M., Sakamoto, T., Sandroni, Claudio, Sawyer, T. L., Schexnayder, S. M., Schmolzer, G. M., Schnaubelt, S., Semeraro, F., Singletary, E. M., Skrifvars, M. B., Smith, C. M., Soar, J., Stassen, W., Sugiura, T., Tijssen, J. A., Topjian, A. A., Trevisanuto, D., Vaillancourt, C., Wyckoff, M. H., Wyllie, J. P., Yang, C. -W., Yeung, J., Zelop, C. M., Zideman, D. A., Nolan, J. P., Barcala-Furelos, R., Beerman, S. B., Bruckner, M., Castren, M., Chong, S., Claesson, A., Dunne, C. L., Finan, E., Fukuda, T., Ganesan, S. L., Gately, C., Gois, A., Gray, S., Halamek, L. P., Hoover, A. V., Hurst, C., Josephsen, J., Kollander, L., Kamlin, C. O., Kool, M., Li, L., Mecrow, T. S., Montgomery, W., Ristau, P., Jayashree, M., Schmidt, A., Scquizzato, T. -M., Seesink, J., Sempsrott, J., Solevag, A. L., Strand, M. L., Szpilman, D., Szyld, E., Thom, O., Tobin, J. M., Trang, J., Webber, J., Webster, H. K., Wellsford, M., and Sandroni C. (ORCID:0000-0002-8878-2611)

Abstract

The International Liaison Committee on Resuscitation engages in a continuous review of new, peer-reviewed, published cardiopulmonary resuscitation and first aid science. Draft Consensus on Science With Treatment Recommendations are posted online throughout the year, and this annual summary provides more concise versions of the final Consensus on Science With Treatment Recommendations from all task forces for the year. Topics addressed by systematic reviews this year include resuscitation of cardiac arrest from drowning, extracorporeal cardiopulmonary resuscitation for adults and children, calcium during cardiac arrest, double sequential defibrillation, neuroprognostication after cardiac arrest for adults and children, maintaining normal temperature after preterm birth, heart rate monitoring methods for diagnostics in neonates, detection of exhaled carbon dioxide in neonates, family presence during resuscitation of adults, and a stepwise approach to resuscitation skills training. Members from 6 International Liaison Committee on Resuscitation task forces have assessed, discussed, and debated the quality of the evidence, using Grading of Recommendations Assessment, Development, and Evaluation criteria, and their statements include consensus treatment recommendations. Insights into the deliberations of the task forces are provided in the Justification and Evidence-to-Decision Framework Highlights sections. In addition, the task forces list priority knowledge gaps for further research. Additional topics are addressed with scoping reviews and evidence updates.

Published
2023

2. 2022 International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science with Treatment Recommendations: Summary from the Basic Life Support; Advanced Life Support; Pediatric Life Support; Neonatal Life Support; Education, Implementation, and Teams; And First Aid Task Forces

Author

Wyckoff, M. H., Greif, R., Morley, P. T., Ng, K. -C., Olasveengen, T. M., Singletary, E. M., Soar, J., Cheng, A., Drennan, I. R., Liley, H. G., Scholefield, B. R., Smyth, M. A., Welsford, M., Zideman, D. A., Acworth, J., Aickin, R., Andersen, L. W., Atkins, D., Berry, D. C., Bhanji, F., Bierens, J., Borra, V., Bottiger, B. W., Bradley, R. N., Bray, J. E., Breckwoldt, J., Callaway, C. W., Carlson, J. N., Cassan, P., Castren, M., Chang, W. -T., Charlton, N. P., Chung, S. P., Considine, J., Costa-Nobre, D. T., Couper, K., Couto, T. B., Dainty, K. N., Davis, P. G., De Almeida, M. F., De Caen, A. R., Deakin, C. D., Djarv, T., Donnino, M. W., Douma, M. J., Duff, J. P., Dunne, C. L., Eastwood, K., El-Naggar, W., Fabres, J. G., Fawke, J., Finn, J., Foglia, E. E., Folke, F., Gilfoyle, E., Goolsby, C. A., Granfeldt, A., Guerguerian, A. -M., Guinsburg, R., Hirsch, K. G., Holmberg, M. J., Hosono, S., Hsieh, M. -J., Hsu, C. H., Ikeyama, T., Isayama, T., Johnson, N. J., Kapadia, V. S., Kawakami, M. D., Kim, H. -S., Kleinman, M., Kloeck, D. A., Kudenchuk, P. J., Lagina, A. T., Lauridsen, K. G., Lavonas, E. J., Lee, H. C., Lin, Y. (., Lockey, A. S., Maconochie, I. K., Madar, R. J., Malta Hansen, C., Masterson, S., Matsuyama, T., Mckinlay, C. J. D., Meyran, D., Morgan, P., Morrison, L. J., Nadkarni, V., Nakwa, F. L., Nation, K. J., Nehme, Z., Nemeth, M., Neumar, R. W., Nicholson, T., Nikolaou, N., Nishiyama, C., Norii, T., Nuthall, G. A., O'Neill, B. J., Ong, Y. -K. G., Orkin, A. M., Paiva, E. F., Parr, M. J., Patocka, C., Pellegrino, J. L., Perkins, G. D., Perlman, J. M., Rabi, Y., Reis, A. G., Reynolds, J. C., Ristagno, G., Rodriguez-Nunez, A., Roehr, C. C., Rudiger, M., Sakamoto, T., Sandroni, Claudio, Sawyer, T. L., Schexnayder, S. M., Schmolzer, G. M., Schnaubelt, S., Semeraro, F., Skrifvars, M. B., Smith, C. M., Sugiura, T., Tijssen, J. A., Trevisanuto, D., Van De Voorde, P., Wang, T. -L., Weiner, G. M., Wyllie, J. P., Yang, C. -W., Yeung, J., Nolan, J. P., Berg, K. M., Burdick, M. C., Cartledge, S., Dawson, J. A., Elgohary, M. M., Ersdal, H. L., Finan, E., Flaatten, H. I., Flores, G. E., Fuerch, J., Garg, R., Gately, C., Goh, M., Halamek, L. P., Handley, A. J., Hatanaka, T., Hoover, A., Issa, M., Johnson, S., Kamlin, C. O., Ko, Y. -C., Kule, A., Leone, T. A., Mackenzie, E., Macneil, F., Montgomery, W., O'Dochartaigh, D., Ohshimo, S., Palazzo, F. S., Picard, C., Quek, B. H., Raitt, J., Ramaswamy, V. V., Scapigliati, Andrea, Shah, B. A., Stewart, C., Strand, M. L., Szyld, E., Thio, M., Topjian, A. A., Udaeta, E., Vaillancourt, C., Wetsch, W. A., Wigginton, J., Yamada, N. K., Yao, S., Zace, D., Zelop, C. M., Sandroni C. (ORCID:0000-0002-8878-2611), Scapigliati A. (ORCID:0000-0002-4044-2343), Wyckoff, M. H., Greif, R., Morley, P. T., Ng, K. -C., Olasveengen, T. M., Singletary, E. M., Soar, J., Cheng, A., Drennan, I. R., Liley, H. G., Scholefield, B. R., Smyth, M. A., Welsford, M., Zideman, D. A., Acworth, J., Aickin, R., Andersen, L. W., Atkins, D., Berry, D. C., Bhanji, F., Bierens, J., Borra, V., Bottiger, B. W., Bradley, R. N., Bray, J. E., Breckwoldt, J., Callaway, C. W., Carlson, J. N., Cassan, P., Castren, M., Chang, W. -T., Charlton, N. P., Chung, S. P., Considine, J., Costa-Nobre, D. T., Couper, K., Couto, T. B., Dainty, K. N., Davis, P. G., De Almeida, M. F., De Caen, A. R., Deakin, C. D., Djarv, T., Donnino, M. W., Douma, M. J., Duff, J. P., Dunne, C. L., Eastwood, K., El-Naggar, W., Fabres, J. G., Fawke, J., Finn, J., Foglia, E. E., Folke, F., Gilfoyle, E., Goolsby, C. A., Granfeldt, A., Guerguerian, A. -M., Guinsburg, R., Hirsch, K. G., Holmberg, M. J., Hosono, S., Hsieh, M. -J., Hsu, C. H., Ikeyama, T., Isayama, T., Johnson, N. J., Kapadia, V. S., Kawakami, M. D., Kim, H. -S., Kleinman, M., Kloeck, D. A., Kudenchuk, P. J., Lagina, A. T., Lauridsen, K. G., Lavonas, E. J., Lee, H. C., Lin, Y. (., Lockey, A. S., Maconochie, I. K., Madar, R. J., Malta Hansen, C., Masterson, S., Matsuyama, T., Mckinlay, C. J. D., Meyran, D., Morgan, P., Morrison, L. J., Nadkarni, V., Nakwa, F. L., Nation, K. J., Nehme, Z., Nemeth, M., Neumar, R. W., Nicholson, T., Nikolaou, N., Nishiyama, C., Norii, T., Nuthall, G. A., O'Neill, B. J., Ong, Y. -K. G., Orkin, A. M., Paiva, E. F., Parr, M. J., Patocka, C., Pellegrino, J. L., Perkins, G. D., Perlman, J. M., Rabi, Y., Reis, A. G., Reynolds, J. C., Ristagno, G., Rodriguez-Nunez, A., Roehr, C. C., Rudiger, M., Sakamoto, T., Sandroni, Claudio, Sawyer, T. L., Schexnayder, S. M., Schmolzer, G. M., Schnaubelt, S., Semeraro, F., Skrifvars, M. B., Smith, C. M., Sugiura, T., Tijssen, J. A., Trevisanuto, D., Van De Voorde, P., Wang, T. -L., Weiner, G. M., Wyllie, J. P., Yang, C. -W., Yeung, J., Nolan, J. P., Berg, K. M., Burdick, M. C., Cartledge, S., Dawson, J. A., Elgohary, M. M., Ersdal, H. L., Finan, E., Flaatten, H. I., Flores, G. E., Fuerch, J., Garg, R., Gately, C., Goh, M., Halamek, L. P., Handley, A. J., Hatanaka, T., Hoover, A., Issa, M., Johnson, S., Kamlin, C. O., Ko, Y. -C., Kule, A., Leone, T. A., Mackenzie, E., Macneil, F., Montgomery, W., O'Dochartaigh, D., Ohshimo, S., Palazzo, F. S., Picard, C., Quek, B. H., Raitt, J., Ramaswamy, V. V., Scapigliati, Andrea, Shah, B. A., Stewart, C., Strand, M. L., Szyld, E., Thio, M., Topjian, A. A., Udaeta, E., Vaillancourt, C., Wetsch, W. A., Wigginton, J., Yamada, N. K., Yao, S., Zace, D., Zelop, C. M., Sandroni C. (ORCID:0000-0002-8878-2611), and Scapigliati A. (ORCID:0000-0002-4044-2343)

Abstract

This is the sixth annual summary of the International Liaison Committee on Resuscitation International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science With Treatment Recommendations. This summary addresses the most recently published resuscitation evidence reviewed by International Liaison Committee on Resuscitation Task Force science experts. Topics covered by systematic reviews include cardiopulmonary resuscitation during transport; approach to resuscitation after drowning; passive ventilation; minimizing pauses during cardiopulmonary resuscitation; temperature management after cardiac arrest; use of diagnostic point-of-care ultrasound during cardiac arrest; use of vasopressin and corticosteroids during cardiac arrest; coronary angiography after cardiac arrest; public-access defibrillation devices for children; pediatric early warning systems; maintaining normal temperature immediately after birth; suctioning of amniotic fluid at birth; tactile stimulation for resuscitation immediately after birth; use of continuous positive airway pressure for respiratory distress at term birth; respiratory and heart rate monitoring in the delivery room; supraglottic airway use in neonates; prearrest prediction of in-hospital cardiac arrest mortality; basic life support training for likely rescuers of high-risk populations; effect of resuscitation team training; blended learning for life support training; training and recertification for resuscitation instructors; and recovery position for maintenance of breathing and prevention of cardiac arrest. Members from 6 task forces have assessed, discussed, and debated the quality of the evidence using Grading of Recommendations Assessment, Development, and Evaluation criteria and generated consensus treatment recommendations. Insights into the deliberations of the task forces are provided in the Justification and Evidence-to-Decision Framework Highlights sections, and priority knowledge gaps for futu

Published
2022

4. 2021 International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science With Treatment Recommendations: Summary From the Basic Life Support; Advanced Life Support; Neonatal Life Support; Education, Implementation, and Teams; First Aid Task Forces; and the COVID-19 Working Group

Author

Wyckoff, M. H., Singletary, E. M., Soar, J., Olasveengen, T. M., Greif, R., Liley, H. G., Zideman, D., Bhanji, F., Andersen, L. W., Avis, S. R., Aziz, K., Bendall, J. C., Berry, D. C., Borra, V., Bottiger, B. W., Bradley, R., Bray, J. E., Breckwoldt, J., Carlson, J. N., Cassan, P., Castren, M., Chang, W. -T., Charlton, N. P., Cheng, A., Chung, S. P., Considine, J., Costa-Nobre, D. T., Couper, K., Dainty, K. N., Davis, P. G., de Almeida, M. F., de Caen, A. R., de Paiva, E. F., Deakin, C. D., Djarv, T., Douma, M. J., Drennan, I. R., Duff, J. P., Eastwood, K. J., El-Naggar, W., Epstein, J. L., Escalante, R., Fabres, J. G., Fawke, J., Finn, J. C., Foglia, E. E., Folke, F., Freeman, K., Gilfoyle, E., Goolsby, C. A., Grove, A., Guinsburg, R., Hatanaka, T., Hazinski, M. F., Heriot, G. S., Hirsch, K. G., Holmberg, M. J., Hosono, S., Hsieh, M. -J., Hung, K. K. C., Hsu, C. H., Ikeyama, T., Isayama, T., Kapadia, V. S., Kawakami, M. D., Kim, H. -S., Kloeck, D. A., Kudenchuk, P. J., Lagina, A. T., Lauridsen, K. G., Lavonas, E. J., Lockey, A. S., Malta Hansen, C., Markenson, D., Matsuyama, T., Mckinlay, C. J. D., Mehrabian, A., Merchant, R. M., Meyran, D., Morley, P. T., Morrison, L. J., Nation, K. J., Nemeth, M., Neumar, R. W., Nicholson, T., Niermeyer, S., Nikolaou, N., Nishiyama, C., O'Neil, B. J., Orkin, A. M., Osemeke, O., Parr, M. J., Patocka, C., Pellegrino, J. L., Perkins, G. D., Perlman, J. M., Rabi, Y., Reynolds, J. C., Ristagno, G., Roehr, C. C., Sakamoto, T., Sandroni, Claudio, Sawyer, T., Schmolzer, G. M., Schnaubelt, S., Semeraro, F., Skrifvars, M. B., Smith, C. M., Smyth, M. A., Soll, R. F., Sugiura, T., Taylor-Phillips, S., Trevisanuto, D., Vaillancourt, C., Wang, T. -L., Weiner, G. M., Welsford, M., Wigginton, J., Wyllie, J. P., Yeung, J., Nolan, J. P., Berg, K. M., Abelairas-Gomez, C., Barcala-Furelos, R., Beerman, S. B., Bierens, J., Cacciola, Sofia, Cellini, J., Claesson, A., Court, R., D'Arrigo, Sonia, De Brier, N., Dunne, C. L., Elsenga, H. E., Johnson, S., Kleven, G., Maconochie, I., Mecrow, T., Morgan, P., Otto, Q., Palmieri, T. L., Parnia, S., Pawar, R., Pereira, J., Rudd, S., Scapigliati, Andrea, Schmidt, A., Seesink, J., Sempsrott, J. R., Szpilman, D., Warner, D. S., Webber, J. B., West, R. L., Sandroni C. (ORCID:0000-0002-8878-2611), Cacciola S., D'Arrigo S. (ORCID:0000-0001-6740-3195), Scapigliati A. (ORCID:0000-0002-4044-2343), Wyckoff, M. H., Singletary, E. M., Soar, J., Olasveengen, T. M., Greif, R., Liley, H. G., Zideman, D., Bhanji, F., Andersen, L. W., Avis, S. R., Aziz, K., Bendall, J. C., Berry, D. C., Borra, V., Bottiger, B. W., Bradley, R., Bray, J. E., Breckwoldt, J., Carlson, J. N., Cassan, P., Castren, M., Chang, W. -T., Charlton, N. P., Cheng, A., Chung, S. P., Considine, J., Costa-Nobre, D. T., Couper, K., Dainty, K. N., Davis, P. G., de Almeida, M. F., de Caen, A. R., de Paiva, E. F., Deakin, C. D., Djarv, T., Douma, M. J., Drennan, I. R., Duff, J. P., Eastwood, K. J., El-Naggar, W., Epstein, J. L., Escalante, R., Fabres, J. G., Fawke, J., Finn, J. C., Foglia, E. E., Folke, F., Freeman, K., Gilfoyle, E., Goolsby, C. A., Grove, A., Guinsburg, R., Hatanaka, T., Hazinski, M. F., Heriot, G. S., Hirsch, K. G., Holmberg, M. J., Hosono, S., Hsieh, M. -J., Hung, K. K. C., Hsu, C. H., Ikeyama, T., Isayama, T., Kapadia, V. S., Kawakami, M. D., Kim, H. -S., Kloeck, D. A., Kudenchuk, P. J., Lagina, A. T., Lauridsen, K. G., Lavonas, E. J., Lockey, A. S., Malta Hansen, C., Markenson, D., Matsuyama, T., Mckinlay, C. J. D., Mehrabian, A., Merchant, R. M., Meyran, D., Morley, P. T., Morrison, L. J., Nation, K. J., Nemeth, M., Neumar, R. W., Nicholson, T., Niermeyer, S., Nikolaou, N., Nishiyama, C., O'Neil, B. J., Orkin, A. M., Osemeke, O., Parr, M. J., Patocka, C., Pellegrino, J. L., Perkins, G. D., Perlman, J. M., Rabi, Y., Reynolds, J. C., Ristagno, G., Roehr, C. C., Sakamoto, T., Sandroni, Claudio, Sawyer, T., Schmolzer, G. M., Schnaubelt, S., Semeraro, F., Skrifvars, M. B., Smith, C. M., Smyth, M. A., Soll, R. F., Sugiura, T., Taylor-Phillips, S., Trevisanuto, D., Vaillancourt, C., Wang, T. -L., Weiner, G. M., Welsford, M., Wigginton, J., Wyllie, J. P., Yeung, J., Nolan, J. P., Berg, K. M., Abelairas-Gomez, C., Barcala-Furelos, R., Beerman, S. B., Bierens, J., Cacciola, Sofia, Cellini, J., Claesson, A., Court, R., D'Arrigo, Sonia, De Brier, N., Dunne, C. L., Elsenga, H. E., Johnson, S., Kleven, G., Maconochie, I., Mecrow, T., Morgan, P., Otto, Q., Palmieri, T. L., Parnia, S., Pawar, R., Pereira, J., Rudd, S., Scapigliati, Andrea, Schmidt, A., Seesink, J., Sempsrott, J. R., Szpilman, D., Warner, D. S., Webber, J. B., West, R. L., Sandroni C. (ORCID:0000-0002-8878-2611), Cacciola S., D'Arrigo S. (ORCID:0000-0001-6740-3195), and Scapigliati A. (ORCID:0000-0002-4044-2343)

Abstract

The International Liaison Committee on Resuscitation initiated a continuous review of new, peer-reviewed published cardiopulmonary resuscitation science. This is the fifth annual summary of the International Liaison Committee on Resuscitation International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science With Treatment Recommendations; a more comprehensive review was done in 2020. This latest summary addresses the most recently published resuscitation evidence reviewed by International Liaison Committee on Resuscitation task force science experts. Topics covered by systematic reviews in this summary include resuscitation topics of video-based dispatch systems; head-up cardiopulmonary resuscitation; early coronary angiography after return of spontaneous circulation; cardiopulmonary resuscitation in the prone patient; cord management at birth for preterm and term infants; devices for administering positive-pressure ventilation at birth; family presence during neonatal resuscitation; self-directed, digitally based basic life support education and training in adults and children; coronavirus disease 2019 infection risk to rescuers from patients in cardiac arrest; and first aid topics, including cooling with water for thermal burns, oral rehydration for exertional dehydration, pediatric tourniquet use, and methods of tick removal. Members from 6 International Liaison Committee on Resuscitation task forces have assessed, discussed, and debated the quality of the evidence, according to the Grading of Recommendations Assessment, Development, and Evaluation criteria, and their statements include consensus treatment recommendations or good practice statements. Insights into the deliberations of the task forces are provided in Justification and Evidence-to-Decision Framework Highlights sections. In addition, the task forces listed priority knowledge gaps for further research.

Published
2021

5. Adult Advanced Life Support: 2020 International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science With Treatment Recommendations

Author

Berg, K. M., Soar, J., Andersen, L. W., Bottiger, B. W., Cacciola, S., Callaway, C. W., Couper, K., Cronberg, T., D'Arrigo, S., Deakin, C. D., Donnino, M. W., Drennan, I. R., Granfeldt, A., Hoedemaekers, C. W. E., Holmberg, M. J., Hsu, C. H., Kamps, M., Musiol, S., Nation, K. J., Neumar, R. W., Nicholson, T., O'Neil, B. J., Otto, Q., de Paiva, E. F., Parr, M. J. A., Reynolds, J. C., Sandroni, C., Scholefield, B. R., Skrifvars, M. B., Wang, T. -L., Wetsch, W. A., Yeung, J., Morley, P. T., Morrison, L. J., Welsford, M., Hazinski, M. F., Nolan, J. P., Cacciola S., D'Arrigo S. (ORCID:0000-0001-6740-3195), Sandroni C. (ORCID:0000-0002-8878-2611), Berg, K. M., Soar, J., Andersen, L. W., Bottiger, B. W., Cacciola, S., Callaway, C. W., Couper, K., Cronberg, T., D'Arrigo, S., Deakin, C. D., Donnino, M. W., Drennan, I. R., Granfeldt, A., Hoedemaekers, C. W. E., Holmberg, M. J., Hsu, C. H., Kamps, M., Musiol, S., Nation, K. J., Neumar, R. W., Nicholson, T., O'Neil, B. J., Otto, Q., de Paiva, E. F., Parr, M. J. A., Reynolds, J. C., Sandroni, C., Scholefield, B. R., Skrifvars, M. B., Wang, T. -L., Wetsch, W. A., Yeung, J., Morley, P. T., Morrison, L. J., Welsford, M., Hazinski, M. F., Nolan, J. P., Cacciola S., D'Arrigo S. (ORCID:0000-0001-6740-3195), and Sandroni C. (ORCID:0000-0002-8878-2611)

Abstract

This 2020 International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science With Treatment Recommendations for advanced life support includes updates on multiple advanced life support topics addressed with 3 different types of reviews. Topics were prioritized on the basis of both recent interest within the resuscitation community and the amount of new evidence available since any previous review. Systematic reviews addressed higher-priority topics, and included double-sequential defibrillation, intravenous versus intraosseous route for drug administration during cardiac arrest, point-of-care echocardiography for intra-arrest prognostication, cardiac arrest caused by pulmonary embolism, postresuscitation oxygenation and ventilation, prophylactic antibiotics after resuscitation, postresuscitation seizure prophylaxis and treatment, and neuroprognostication. New or updated treatment recommendations on these topics are presented. Scoping reviews were conducted for anticipatory charging and monitoring of physiological parameters during cardiopulmonary resuscitation. Topics for which systematic reviews and new Consensuses on Science With Treatment Recommendations were completed since 2015 are also summarized here. All remaining topics reviewed were addressed with evidence updates to identify any new evidence and to help determine which topics should be the highest priority for systematic reviews in the next 1 to 2 years.

Published
2020

7. Cardiac Arrest and Cardiopulmonary Resuscitation Outcome Reports: Update of the Utstein Resuscitation Registry Template for In-Hospital Cardiac Arrest: A Consensus Report From a Task Force of the International Liaison Committee on Resuscitation (American Heart Association, European Resuscitation Council, Australian and New Zealand Council on Resuscitation, Heart and Stroke Foundation of Canada, InterAmerican Heart Foundation, Resuscitation Council of Southern Africa, Resuscitation Council of Asia)

Author

Nolan, J. P., Berg, R. A., Andersen, L. W., Bhanji, F., Chan, P. S., Donnino, M. W., Lim, S. H., M. H. -M., Ma, Nadkarni, V. M., Starks, M. A., Perkins, G. D., Morley, P. T., Soar, J., Aickin, R., Atkins, D. L., Berg, K. M., Bingham, R., Bottiger, B. W., Brooks, S. C., Callaway, C. W., Castren, M., Chung, S. P., Considine, J., Couto, T. B., de Caen, A. R., Deakin, C. D., Drennan, I. R., Escalante, R., Gazmuri, R. J., Guerguerian, A. -M., Hazinski, M. F., Kudenchuk, P. J., Lofgren, B., Maconochie, I., Mancini, M. E., Meaney, P. A., Neumar, R. W., K. -C., Ng, Nicholson, T. C., Nishiyama, C., Nuthall, G. A., Olasveengen, T. M., Paiva, E. F., Parr, M. J., Reis, A. G., Reynolds, J. C., Ristagno, G., Sandroni, Claudio, Schexnayder, S. M., Scholefield, B. R., Smyth, M. A., Stanton, D., Tijssen, J. A., Vaillancourt, C., Van de Voorde, P., Wang, T. -L., and Welsford, M.

Subjects
AHA Scientific Statements, sudden, cardiac, death, Settore MED/41 - ANESTESIOLOGIA, cardiac arrest, cardiopulmonary resuscitation, death, sudden, cardiac, in-hospital cardiac arrest
Published
2019

8. 2019 International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science with Treatment Recommendations: Summary from the Basic Life Support; Advanced Life Support; Pediatric Life Support; Neonatal Life Support; Education, Implementation, and Teams; And First Aid Task Forces

Author

Soar, J., Maconochie, I., Wyckoff, M. H., Olasveengen, T. M., Singletary, E. M., Greif, R., Aickin, R., Bhanji, F., Donnino, M. W., Mancini, M. E., Wyllie, J. P., Zideman, D., Andersen, L. W., Atkins, D. L., Aziz, K., Bendall, J., Berg, K. M., Berry, D. C., Bigham, B. L., Bingham, R., Couto, T. B., Bottiger, B. W., Borra, V., Bray, J. E., Breckwoldt, J., Brooks, S. C., Buick, J., Callaway, C. W., Carlson, J. N., Cassan, P., Castren, M., Chang, W. -T., Charlton, N. P., Cheng, A., Chung, S. P., Considine, J., Couper, K., Dainty, K. N., Dawson, J. A., De Almeida, M. F., De Caen, A. R., Deakin, C. D., Drennan, I. R., Duff, J. P., Epstein, J. L., Escalante, R., Gazmuri, R. J., Gilfoyle, E., Granfeldt, A., Guerguerian, A. -M., Guinsburg, R., Hatanaka, T., Holmberg, M. J., Hood, N., Hosono, S., Hsieh, M. -J., Isayama, T., Iwami, T., Jensen, J. L., Kapadia, V., Kim, H. -S., Kleinman, M. E., Kudenchuk, P. J., Lang, E., Lavonas, E., Liley, H., Lim, S. H., Lockey, A., Lofgren, B., Ma, M. H. -M., Markenson, D., Meaney, P. A., Meyran, D., Mildenhall, L., Monsieurs, K. G., Montgomery, W., Morley, P. T., Morrison, L. J., Nadkarni, V. M., Nation, K., Neumar, R. W., Ng, K. -C., Nicholson, T., Nikolaou, N., Nishiyama, C., Nuthall, G., Ohshimo, S., Okamoto, D., O'Neil, B., Yong-Kwang Ong, G., Paiva, E. F., Parr, M., Pellegrino, J. L., Perkins, G. D., Perlman, J., Rabi, Y., Reis, A., Reynolds, J. C., Ristagno, G., Roehr, C. C., Sakamoto, T., Sandroni, Claudio, Schexnayder, S. M., Scholefield, B. R., Shimizu, N., Skrifvars, M. B., Smyth, M. A., Stanton, D., Swain, J., Szyld, E., Tijssen, J., Travers, A., Trevisanuto, D., Vaillancourt, C., Van De Voorde, P., Velaphi, S., Wang, T. -L., Weiner, G., Welsford, M., Woodin, J. A., Yeung, J., Nolan, J. P., Fran Hazinski, M., Sandroni C. (ORCID:0000-0002-8878-2611), Soar, J., Maconochie, I., Wyckoff, M. H., Olasveengen, T. M., Singletary, E. M., Greif, R., Aickin, R., Bhanji, F., Donnino, M. W., Mancini, M. E., Wyllie, J. P., Zideman, D., Andersen, L. W., Atkins, D. L., Aziz, K., Bendall, J., Berg, K. M., Berry, D. C., Bigham, B. L., Bingham, R., Couto, T. B., Bottiger, B. W., Borra, V., Bray, J. E., Breckwoldt, J., Brooks, S. C., Buick, J., Callaway, C. W., Carlson, J. N., Cassan, P., Castren, M., Chang, W. -T., Charlton, N. P., Cheng, A., Chung, S. P., Considine, J., Couper, K., Dainty, K. N., Dawson, J. A., De Almeida, M. F., De Caen, A. R., Deakin, C. D., Drennan, I. R., Duff, J. P., Epstein, J. L., Escalante, R., Gazmuri, R. J., Gilfoyle, E., Granfeldt, A., Guerguerian, A. -M., Guinsburg, R., Hatanaka, T., Holmberg, M. J., Hood, N., Hosono, S., Hsieh, M. -J., Isayama, T., Iwami, T., Jensen, J. L., Kapadia, V., Kim, H. -S., Kleinman, M. E., Kudenchuk, P. J., Lang, E., Lavonas, E., Liley, H., Lim, S. H., Lockey, A., Lofgren, B., Ma, M. H. -M., Markenson, D., Meaney, P. A., Meyran, D., Mildenhall, L., Monsieurs, K. G., Montgomery, W., Morley, P. T., Morrison, L. J., Nadkarni, V. M., Nation, K., Neumar, R. W., Ng, K. -C., Nicholson, T., Nikolaou, N., Nishiyama, C., Nuthall, G., Ohshimo, S., Okamoto, D., O'Neil, B., Yong-Kwang Ong, G., Paiva, E. F., Parr, M., Pellegrino, J. L., Perkins, G. D., Perlman, J., Rabi, Y., Reis, A., Reynolds, J. C., Ristagno, G., Roehr, C. C., Sakamoto, T., Sandroni, Claudio, Schexnayder, S. M., Scholefield, B. R., Shimizu, N., Skrifvars, M. B., Smyth, M. A., Stanton, D., Swain, J., Szyld, E., Tijssen, J., Travers, A., Trevisanuto, D., Vaillancourt, C., Van De Voorde, P., Velaphi, S., Wang, T. -L., Weiner, G., Welsford, M., Woodin, J. A., Yeung, J., Nolan, J. P., Fran Hazinski, M., and Sandroni C. (ORCID:0000-0002-8878-2611)

Abstract

The International Liaison Committee on Resuscitation has initiated a continuous review of new, peer-reviewed, published cardiopulmonary resuscitation science. This is the third annual summary of the International Liaison Committee on Resuscitation International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science With Treatment Recommendations. It addresses the most recent published resuscitation evidence reviewed by International Liaison Committee on Resuscitation Task Force science experts. This summary addresses the role of cardiac arrest centers and dispatcher-assisted cardiopulmonary resuscitation, the role of extracorporeal cardiopulmonary resuscitation in adults and children, vasopressors in adults, advanced airway interventions in adults and children, targeted temperature management in children after cardiac arrest, initial oxygen concentration during resuscitation of newborns, and interventions for presyncope by first aid providers. Members from 6 International Liaison Committee on Resuscitation task forces have assessed, discussed, and debated the certainty of the evidence on the basis of the Grading of Recommendations, Assessment, Development, and Evaluation criteria, and their statements include consensus treatment recommendations. Insights into the deliberations of the task forces are provided in the Justification and Evidence to Decision Framework Highlights sections. The task forces also listed priority knowledge gaps for further research.

Published
2019

9. 2019 International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science With Treatment Recommendations

Author

Soar, J., Maconochie, I., Wyckoff, M. H., Olasveengen, T. M., Singletary, E. M., Greif, R., Aickin, R., Bhanji, F., Donnino, M. W., Mancini, M. E., Wyllie, J. P., Zideman, D., Andersen, L. W., Atkins, D. L., Aziz, K., Bendall, J., Berg, K. M., Berry, D. C., Bigham, B. L., Bingham, R., Couto, T. B., Bottiger, B. W., Borra, V., Bray, J. E., Breckwoldt, J., Brooks, S. C., Buick, J., Callaway, C. W., Carlson, J. N., Cassan, P., Castren, M., Chang, W. -T., Charlton, N. P., Cheng, A., Chung, S. P., Considine, J., Couper, K., Dainty, K. N., Dawson, J. A., de Almeida, M. F., de Caen, A. R., Deakin, C. D., Drennan, I. R., Duff, J. P., Epstein, J. L., Escalante, R., Gazmuri, R. J., Gilfoyle, E., Granfeldt, A., Guerguerian, A. -M., Guinsburg, R., Hatanaka, T., Holmberg, M. J., Hood, N., Hosono, S., Hsieh, M. -J., Isayama, T., Iwami, T., Jensen, J. L., Kapadia, V., Kim, H. -S., Kleinman, M. E., Kudenchuk, P. J., Lang, E., Lavonas, E., Liley, H., Lim, S. H., Lockey, A., Lofgren, B., Ma, M. H. -M., Markenson, D., Meaney, P. A., Meyran, D., Mildenhall, L., Monsieurs, K. G., Montgomery, W., Morley, P. T., Morrison, L. J., Nadkarni, V. M., Nation, K., Neumar, R. W., Ng, K. -C., Nicholson, T., Nikolaou, N., Nishiyama, C., Nuthall, G., Ohshimo, S., Okamoto, D., O'Neil, B., Ong, G. Y. -K., Paiva, E. F., Parr, M., Pellegrino, J. L., Perkins, G. D., Perlman, J., Rabi, Y., Reis, A., Reynolds, J. C., Ristagno, G., Roehr, C. C., Sakamoto, T., Sandroni, C., Schexnayder, S. M., Scholefield, B. R., Shimizu, N., Skrifvars, M. B., Smyth, M. A., Stanton, D., Swain, J., Szyld, E., Tijssen, J., Travers, A., Trevisanuto, D., Vaillancourt, C., Van de Voorde, P., Velaphi, S., Wang, T. -L., Weiner, G., Welsford, M., Woodin, J. A., Yeung, J., Nolan, J. P., Hazinski, M. F., Sandroni C. (ORCID:0000-0002-8878-2611), Soar, J., Maconochie, I., Wyckoff, M. H., Olasveengen, T. M., Singletary, E. M., Greif, R., Aickin, R., Bhanji, F., Donnino, M. W., Mancini, M. E., Wyllie, J. P., Zideman, D., Andersen, L. W., Atkins, D. L., Aziz, K., Bendall, J., Berg, K. M., Berry, D. C., Bigham, B. L., Bingham, R., Couto, T. B., Bottiger, B. W., Borra, V., Bray, J. E., Breckwoldt, J., Brooks, S. C., Buick, J., Callaway, C. W., Carlson, J. N., Cassan, P., Castren, M., Chang, W. -T., Charlton, N. P., Cheng, A., Chung, S. P., Considine, J., Couper, K., Dainty, K. N., Dawson, J. A., de Almeida, M. F., de Caen, A. R., Deakin, C. D., Drennan, I. R., Duff, J. P., Epstein, J. L., Escalante, R., Gazmuri, R. J., Gilfoyle, E., Granfeldt, A., Guerguerian, A. -M., Guinsburg, R., Hatanaka, T., Holmberg, M. J., Hood, N., Hosono, S., Hsieh, M. -J., Isayama, T., Iwami, T., Jensen, J. L., Kapadia, V., Kim, H. -S., Kleinman, M. E., Kudenchuk, P. J., Lang, E., Lavonas, E., Liley, H., Lim, S. H., Lockey, A., Lofgren, B., Ma, M. H. -M., Markenson, D., Meaney, P. A., Meyran, D., Mildenhall, L., Monsieurs, K. G., Montgomery, W., Morley, P. T., Morrison, L. J., Nadkarni, V. M., Nation, K., Neumar, R. W., Ng, K. -C., Nicholson, T., Nikolaou, N., Nishiyama, C., Nuthall, G., Ohshimo, S., Okamoto, D., O'Neil, B., Ong, G. Y. -K., Paiva, E. F., Parr, M., Pellegrino, J. L., Perkins, G. D., Perlman, J., Rabi, Y., Reis, A., Reynolds, J. C., Ristagno, G., Roehr, C. C., Sakamoto, T., Sandroni, C., Schexnayder, S. M., Scholefield, B. R., Shimizu, N., Skrifvars, M. B., Smyth, M. A., Stanton, D., Swain, J., Szyld, E., Tijssen, J., Travers, A., Trevisanuto, D., Vaillancourt, C., Van de Voorde, P., Velaphi, S., Wang, T. -L., Weiner, G., Welsford, M., Woodin, J. A., Yeung, J., Nolan, J. P., Hazinski, M. F., and Sandroni C. (ORCID:0000-0002-8878-2611)

Abstract

The International Liaison Committee on Resuscitation has initiated a continuous review of new, peer-reviewed, published cardiopulmonary resuscitation science. This is the third annual summary of the International Liaison Committee on Resuscitation International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science With Treatment Recommendations. It addresses the most recent published resuscitation evidence reviewed by International Liaison Committee on Resuscitation Task Force science experts. This summary addresses the role of cardiac arrest centers and dispatcher-assisted cardiopulmonary resuscitation, the role of extracorporeal cardiopulmonary resuscitation in adults and children, vasopressors in adults, advanced airway interventions in adults and children, targeted temperature management in children after cardiac arrest, initial oxygen concentration during resuscitation of newborns, and interventions for presyncope by first aid providers. Members from 6 International Liaison Committee on Resuscitation task forces have assessed, discussed, and debated the certainty of the evidence on the basis of the Grading of Recommendations, Assessment, Development, and Evaluation criteria, and their statements include consensus treatment recommendations. Insights into the deliberations of the task forces are provided in the Justification and Evidence to Decision Framework Highlights sections. The task forces also listed priority knowledge gaps for further research.

Published
2019

13. "Damaging what wasn't damaged already": psychological tension and antiretroviral adherence among HIV-infected methadone-maintained drug users.

Author

Batchelder AW, Brisbane M, Litwin AH, Nahvi S, Berg KM, and Arnsten JH

Subjects
Adult, Directly Observed Therapy methods, Evaluation Studies as Topic, Female, Humans, Male, Methadone therapeutic use, Middle Aged, Opiate Substitution Treatment, Power, Psychological, Shame, Social Support, Substance-Related Disorders complications, Treatment Outcome, Anti-Retroviral Agents therapeutic use, Antiretroviral Therapy, Highly Active psychology, HIV Infections drug therapy, Medication Adherence psychology, Substance-Related Disorders drug therapy, Substance-Related Disorders psychology
Abstract

Active drug use among HIV-infected persons is associated with poor adherence to highly active antiretroviral therapy (HAART) and suboptimal treatment outcomes. To understand adherence experiences among HIV-infected drug users, we conducted semistructured interviews with 15 participants in a randomized controlled trial evaluating the efficacy of directly observed HAART delivered in methadone maintenance clinics. Interviews were recorded, transcribed, and thematically analyzed. We identified negative and positive psychological themes associated with both drug use and adherence. Participants described tension between negative feelings (denial, shame, and perceived isolation) and positive feelings (acceptance, motivation, empowerment, and perceived connectedness), and they associated this tension with their own drug using and adherence behaviors. Sustained antiretroviral therapy adherence may require increased emphasis on understanding the psychological experience of HIV-infected drug users.

Published
2013
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14. Noise increment detection in children 1 to 3 years of age.

Author

Berg KM and Boswell AE

Subjects
Child Development physiology, Child, Preschool, Differential Threshold, Humans, Infant, Random Allocation, Reinforcement, Psychology, Auditory Perception physiology, Noise
Abstract

Studies using burst comparison procedures to examine age-related changes in intensity discrimination have reported that the ability to discriminate differences in intensity does not reach maturity until late childhood. In the present study, developmental changes in intensity discrimination were examined in 1- to 3-year-old children, using an increment detection paradigm. Children and adults detected increments in a continuous standard presented at three levels ranging from 35 to 55 dB SPL. Adults were also tested at lower levels of the standard in order to permit age comparisons at equivalent sensation levels. Standard stimuli were two-octave bands of noise centered at either 400 or 4000 Hz, and increments were 200 msec in duration. Discrimination performance improved significantly with both age and level of the standard. For all age groups, performance was significantly better for high- than for low-frequency stimuli, but frequency-dependent differences in increment thresholds did not vary reliably with age. Age differences were largest at low levels of the standard. At the highest level (approximately 30 dB nHL), children's difference limens for both low- and high-frequency noise bands were adultlike by 3 years of age. These results suggest that the developmental time course of increment detection is more rapid than that previously reported in burst comparison studies.

Published
2000
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15. Effect of masker level on infants' detection of tones in noise.

Author

Berg KM and Boswell AE

Subjects
Adult, Auditory Threshold, Female, Humans, Infant, Male, Psychoacoustics, Attention, Perceptual Masking, Pitch Perception, Psychology, Child
Abstract

In adult listeners, the signal-to-noise ratio at masked threshold remains constant with increases in masker level over a wide range of stimulus conditions. This relationship was examined in 7-month-old infants by obtaining masked thresholds for .5- and 4-kHz tones presented in four levels of continuous masking noise. Adults were also tested for comparison. Masker spectrum levels ranged from 5 to 35 dB/Hz for .5-kHz tones, and from -5 to 25 dB/Hz for 4-kHz stimuli. Thresholds were determined for stimuli of both 10 and 100 msec in duration. The results indicated that infants' performance was more adult-like for 4-kHz stimuli. Although mean thresholds for both 10- and 100-msec, 4-kHz tones were approximately 7 dB higher in infants than in adults, E/N0 at threshold remained essentially constant over the 30-dB range of maskers employed. By contrast, infants' thresholds for .5-kHz tones were exceptionally high at lower levels of the masker. Threshold E/N0 decreased significantly as masker level increased from 5 to 35 dB/Hz, and this decrease was significantly greater for 10- than for 100-msec stimuli. Temporal summation of .5-kHz tones, measured as the difference between thresholds obtained at the two signal durations, was greater for infants than for adults at low levels of the masker. However, because infants' thresholds improved more rapidly with level for 10- than for 100-msec tones, age differences in temporal summation were no longer significant when masker spectrum level was 35 dB/Hz. These results suggest that the relationship between signal-to-noise ratio at masked threshold and level of the masker is dependent on both signal frequency and duration during infancy.

Published
1999
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16. Infants' detection of increments in low- and high-frequency noise.

Author

Berg KM and Boswell AE

Subjects
Humans, Infant, Auditory Perception physiology, Noise, Signal Detection, Psychological physiology
Abstract

A visually reinforced operant paradigm was employed to examine the relationship between the difference limen (DL) for intensity and level of the standard during infancy. In Experiment 1, 7-month-old infants and adults detected increments in continuous noise presented via headphones at each of four levels ranging from 28 to 58 dB SPL. Noise stimuli were 2-octave bands centered at either 400 or 4000 Hz, and increments were 10 and 100 msec in duration. Infants' DLs were significantly larger than those of adult subjects and significantly larger for low- than for high-frequency stimuli. For the high-frequency noise band, infants' DLs were generally consistent with Weber's law, remaining essentially constant for standards higher than 28 dB SPL (3 dB SL) for 100-msec increments and 38 dB SPL (13 dB SL) for 10-msec increments. For low-frequency noise, infants' absolute thresholds were exceptionally high, and sensation levels of the standards were too low to adequately describe the relationship. In Experiment 2, 7-month-old infants detected 10- and 100-msec increments in 400-Hz noise stimuli presented in sound field. Infants' low-frequency DLs were large at low intensities and decreased with increases in level of the standard up to at least 30 dB SL. For both low- and high-frequency noise, the difference between DLs for 10- and 100-msec increments tended to be large at low levels of the standard and to decrease at higher levels. These results suggest that the relationship between the DL and level of the standard varies with both stimulus frequency and duration during infancy. However, stimulus-dependent immaturities in increment detection may be most evident at levels within approximately 30 dB of absolute threshold.

Published
1998
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17. Temporal summation of 500-Hz tones and octave-band noise bursts in infants and adults.

Author

Berg KM and Boswell AE

Subjects
Adult, Female, Humans, Infant, Male, Psychoacoustics, Reference Values, Attention, Auditory Threshold, Conditioning, Operant, Pitch Perception, Psychology, Child, Time Perception
Abstract

A visually reinforced operant procedure was employed to obtain 2-point threshold-duration functions in 7-month-old infants and adults in two experimental paradigms. In Experiment 1, thresholds were determined for 10- and 100-msec, 500-Hz tones and octave-band noise bursts presented in quiet and noise backgrounds. Threshold-duration functions were significantly steeper for infants than for adults under all experimental conditions, and did not differ in slope as a result of differences in either stimulus bandwidth or masking noise. In Experiment 2, thresholds for trains of brief 500-Hz tone pulses were examined in infant and adult subjects. Infant functions were adult-like for integration of multiple-pulse stimuli, suggesting that the traditional, long-term process of temporal summation is mature by 7 months of age. Differences between the present results and those previously obtained for 4-kHz stimuli appear to be consistent with the view that different mechanisms are involved in the detection of low- and high-frequency signals.

Published
1995
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18. Physiological responses to in-line skating compared to treadmill running.

Author

Wallick ME, Porcari JP, Wallick SB, Berg KM, Brice GA, and Arimond GR

Subjects
Adult, Heart Rate, Humans, Male, Exercise physiology, Oxygen Consumption physiology, Running physiology, Skating physiology
Abstract

The physiologic responses to in-line skating were compared to those during treadmill running in 16 active males (18-37 yr). Each subject performed a VO2max test during in-line skating and treadmill running using speed-incremented, discontinuous protocols. Protocols were designed so that each subject completed 4-6 stages. Stages were 3 min in duration and separated by a 5-min rest period. It was found that absolute VO2max (4.19 vs 4.44 l.min-1, P = 0.045), relative VO2max (56.8 vs 59.9 ml.kg-1.min-1, P = 0.054), and HRmax (189 vs 194 b.min-1, P < 0.05) were lower for in-line skating compared to treadmill running. Regression analyses were used to determine the submaximal relationship between modalities. There were no significant (P > 0.05) differences in the slope and y-intercept of the HR/VO2 relationship, indicating a similar metabolic load at a given heart rate for both modes of exercise. Skating between 17.7-20.9 km.h-1 corresponded to 60-75% of VO2max or 75-90% of HRmax, which are common training intensities and within the guidelines recommended by the ACSM. Across the speeds investigated, caloric expenditure was 9.5-19.0 kcal.min-1. These results indicate that in-line skating elicits physiological responses comparable to treadmill running and thus would be another exercise alternative for improving aerobic capacity or maintaining body weight.

Published
1995

19. A comparison of thresholds for 1/3-octave filtered clicks and noise bursts in infants and adults.

Author

Berg KM

Subjects
Acoustic Stimulation, Adult, Age Factors, Auditory Threshold, Female, Humans, Infant, Male, Auditory Perception, Noise
Abstract

Behavioral thresholds of 6-month-old infants and adults were determined for 1/3-octave filtered clicks and 300-msec noise bursts with center frequencies ranging from .5 to 8 kHz. For noise bursts, differences between infant and adult thresholds were largest at low frequencies and smallest at 8 kHz. For clicks, infants' thresholds were most like adults' at 4 kHz, and age differences increased at both lower and higher frequencies. Differences between click and noise thresholds were significantly larger for infants than for adults at .5, 1, and 8 kHz, but not at 2 and 4 kHz. These results suggest that improvements in threshold for long-duration stimuli during infancy may not be accompanied by comparable changes in threshold at short durations. The delayed development of sensitivity to low- and high-frequency clicks appears consistent with maturational trends recently described for the auditory brainstem response.

Published
1993
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20. Auditory temporal summation in infants and adults: effects of stimulus bandwidth and masking noise.

Author

Berg KM

Subjects
Adult, Arousal, Attention, Female, Humans, Infant, Male, Psychology, Child, Auditory Threshold, Conditioning, Operant, Loudness Perception, Perceptual Masking, Pitch Discrimination
Abstract

A visually reinforced operant procedure was employed to determine the behavioral thresholds of 6- to 7-month-old infants and adults for stimuli of various bandwidths and durations. Experiment 1 compared absolute thresholds for broadband and 1/3-octave filtered clicks and 300-msec noise bursts. For adult subjects, the difference in threshold for clicks and noise bursts was quite comparable in the two bandwidth conditions, but infants' click-noise threshold differences were significantly larger for broadband than for 1/3-octave stimuli. In Experiment 2, 2-point threshold-duration functions were compared for 4-kHz tones and octave-band noise bursts presented in backgrounds of quiet and continuous noise. Infants' threshold-duration function for octave-band noise bursts was significantly steeper than the comparable adult function in quiet, but not in masking noise. These results suggest that young infants may have particular difficulty detecting low-intensity broadband sounds when durations are very short.

Published
1991
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22. Behavioral thresholds for tones during infancy.

Author

Berg KM and Smith MC

Subjects
Age Factors, Brain Stem growth & development, Conditioning, Operant, Ear, Middle growth & development, Head physiology, Hearing Tests methods, Humans, Infant, Psychoacoustics, Psychometrics, Reference Values, Reinforcement, Psychology, Auditory Threshold physiology, Psychology, Child
Abstract

An adaptive up-down tracking procedure was used in combination with a visually reinforced head turn response to examine auditory sensitivity for 500, 2000, and 8000-Hz tone bursts in infants 6 to 18 months of age. Six- and 10-month-old infants were tested with headphone presentation of stimuli, while 10-, 14-, and 18-month-olds were tested in sound field. Infant threshold estimates for both headphone and sound field were within 15 dB of adult comparisons for all frequencies and age groups. Six-month-olds were significantly less sensitive to the 8000-Hz tone than to either of the lower frequency stimuli, but older infants demonstrated approximately equal sensitivity for all three frequencies tested.

Published
1983
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