{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,25]],"date-time":"2025-11-25T04:24:09Z","timestamp":1764044649818,"version":"build-2065373602"},"reference-count":33,"publisher":"MDPI AG","issue":"18","license":[{"start":{"date-parts":[[2020,9,13]],"date-time":"2020-09-13T00:00:00Z","timestamp":1599955200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJERPH"],"abstract":"<jats:p>Survival outcomes increase significantly when cardiopulmonary resuscitation (CPR) is provided correctly, but rescuer\u2019s fatigue can compromise CPR delivery. We investigated the effect of a 100-m maximal run on CPR and physiological variables in 14 emergency medical technicians (age 29.2 \u00b1 5.8 years, height 171.2 \u00b1 1.1 cm and weight 73.4 \u00b1 13.1 kg). Using an adult manikin and a compression-ventilation ratio of 30:2, participants performed 4-min CPR after 4-min baseline conditions (CPR) and 4-min CPR after a 100-m maximal run carrying emergency material (CPR-run). Physiological variables were continuously measured during baseline and CPR conditions using a portable gas analyzer (K4b2, Cosmed, Rome, Italy) and analyzed using two HD video cameras (Sony, HDR PJ30VE, Japan). Higher VO2 (14.4 \u00b1 2.1 and 22.0 \u00b1 2.5 mL\u00b7kg\u22121\u00b7min\u22121) and heart rate (123 \u00b1 17 and 148 \u00b1 17 bpm) were found for CPR-run. However, the compression rate was also higher during the CPR-run (373 \u00b1 51 vs. 340 \u00b1 49) and between every three complete cycles (81 \u00b1 9 vs. 74 \u00b1 14, 99 \u00b1 14 vs. 90 \u00b1 10, 99 \u00b1 10 vs. 90 \u00b1 10, and, 101 \u00b1 15 vs. 94 \u00b1 11, for cycle 3, 6, 9 and 12, respectively). Fatigue induced by the 100-m maximal run had a strong impact on physiological variables, but a mild impact on CPR emergency medical technicians\u2019 performance.<\/jats:p>","DOI":"10.3390\/ijerph17186668","type":"journal-article","created":{"date-parts":[[2020,9,13]],"date-time":"2020-09-13T21:11:32Z","timestamp":1600031492000},"page":"6668","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Is Rescuer Cardiopulmonary Resuscitation Jeopardised by Previous Fatiguing Exercise?"],"prefix":"10.3390","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4527-3865","authenticated-orcid":false,"given":"J. Arturo","family":"Abraldes","sequence":"first","affiliation":[{"name":"Department of Physical Activity and Sport, Faculty of Sports Sciences, University of Murcia, 30720 Murcia, Spain"},{"name":"Porto Biomechanics Laboratory, University of Porto, 4200-450 Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5811-0443","authenticated-orcid":false,"given":"Ricardo J.","family":"Fernandes","sequence":"additional","affiliation":[{"name":"Porto Biomechanics Laboratory, University of Porto, 4200-450 Porto, Portugal"},{"name":"Centre of Research, Education, Innovation and Intervention in Sport, Faculty of Sport, University of Porto, 4200-450 Porto, Portugal"}]},{"given":"N\u00faria","family":"Rodr\u00edguez","sequence":"additional","affiliation":[{"name":"Department of Physical Activity and Sport, Catholic University of San Antonio, 30107 Murcia, Spain"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7790-732X","authenticated-orcid":false,"given":"Ana","family":"Sousa","sequence":"additional","affiliation":[{"name":"Research Center for Sports, Exercise and Human Development, 5001-801 Vila Real, Portugal"},{"name":"University Institute of Maia, 4475-690 Maia, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2020,9,13]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"981","DOI":"10.1016\/j.resuscitation.2009.06.002","article-title":"Rescuer fatigue during actual in-hospital cardiopulmonary resuscitation with audiovisual feedback: A prospective multicenter study","volume":"80","author":"Sugerman","year":"2009","journal-title":"Resuscitation"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"182","DOI":"10.1016\/j.resuscitation.2013.10.002","article-title":"Chest compression depth and survival in out-of-hospital cardiac arrest","volume":"85","author":"Vadeboncoeur","year":"2014","journal-title":"Resuscitation"},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"1962","DOI":"10.1161\/CIRCULATIONAHA.114.008671","article-title":"What is the optimal chest compression depth during out-of-hospital cardiac arrest resuscitation of adult patients?","volume":"130","author":"Stiell","year":"2014","journal-title":"Circulation"},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"840","DOI":"10.1097\/CCM.0000000000000824","article-title":"Chest compression rates and survival following out-of-hospital cardiac arrest","volume":"43","author":"Idris","year":"2015","journal-title":"Crit. 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