Burnt sugarcane harvesting - cardiovascular effects on a group of healthy workers, Brazil.

<h4>Background</h4>Brazil is the world's largest producer of sugarcane. Harvest is predominantly manual, exposing workers to health risks: intense physical exertion, heat, pollutants from sugarcane burning.<h4>Design</h4>Panel study to evaluate the effects of burnt sugar...

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Autores principales:	Cristiane Maria Galvão Barbosa, Mário Terra-Filho, André Luis Pereira de Albuquerque, Dante Di Giorgi, Cesar Grupi, Carlos Eduardo Negrão, Maria Urbana Pinto Brandão Rondon, Daniel Godoy Martinez, Tânia Marcourakis, Fabiana Almeida dos Santos, Alfésio Luís Ferreira Braga, Dirce Maria Trevisan Zanetta, Ubiratan de Paula Santos
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2012
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/edc899bbf42745678c83369ddbc1a391
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spelling	oai:doaj.org-article:edc899bbf42745678c83369ddbc1a3912021-11-18T07:04:09ZBurnt sugarcane harvesting - cardiovascular effects on a group of healthy workers, Brazil.1932-620310.1371/journal.pone.0046142https://doaj.org/article/edc899bbf42745678c83369ddbc1a3912012-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23029413/?tool=EBIhttps://doaj.org/toc/1932-6203<h4>Background</h4>Brazil is the world's largest producer of sugarcane. Harvest is predominantly manual, exposing workers to health risks: intense physical exertion, heat, pollutants from sugarcane burning.<h4>Design</h4>Panel study to evaluate the effects of burnt sugarcane harvesting on blood markers and on cardiovascular system.<h4>Methods</h4>Twenty-eight healthy male workers, living in the countryside of Brazil were submitted to blood markers, blood pressure, heart rate variability, cardiopulmonary exercise testing, sympathetic nerve activity evaluation and forearm blood flow measures (venous occlusion plethysmography) during burnt sugarcane harvesting and four months later while they performed other activities in sugar cane culture.<h4>Results</h4>Mean participant age was 31 ± 6.3 years, and had worked for 9.8 ± 8.4 years on sugarcane work. Work during the harvest period was associated with higher serum levels of Creatine Kinase - 136.5 U/L (IQR: 108.5-216.0) vs. 104.5 U/L (IQR: 77.5-170.5), (p = 0.001); plasma Malondialdehyde-7.5 ± 1.4 µM/dl vs. 6.9 ± 1.0 µM/dl, (p = 0.058); Glutathione Peroxidase - 55.1 ± 11.8 Ug/Hb vs. 39.5 ± 9.5 Ug/Hb, (p<0.001); Glutathione Transferase- 3.4±1.3 Ug/Hb vs. 3.0 ± 1.3 Ug/Hb, (p = 0.001); and 24-hour systolic blood pressure - 120.1 ± 10.3 mmHg vs. 117.0 ± 10.0 mmHg, (p = 0.034). In cardiopulmonary exercise testing, rest-to-peak diastolic blood pressure increased by 11.12 mmHg and 5.13 mmHg in the harvest and non-harvest period, respectively. A 10 miliseconds reduction in rMSSD and a 10 burst/min increase in sympathetic nerve activity were associated to 2.2 and 1.8 mmHg rises in systolic arterial pressure, respectively.<h4>Conclusion</h4>Work in burnt sugarcane harvesting was associated with changes in blood markers and higher blood pressure, which may be related to autonomic imbalance.Cristiane Maria Galvão BarbosaMário Terra-FilhoAndré Luis Pereira de AlbuquerqueDante Di GiorgiCesar GrupiCarlos Eduardo NegrãoMaria Urbana Pinto Brandão RondonDaniel Godoy MartinezTânia MarcourakisFabiana Almeida dos SantosAlfésio Luís Ferreira BragaDirce Maria Trevisan ZanettaUbiratan de Paula SantosPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 7, Iss 9, p e46142 (2012)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Cristiane Maria Galvão Barbosa Mário Terra-Filho André Luis Pereira de Albuquerque Dante Di Giorgi Cesar Grupi Carlos Eduardo Negrão Maria Urbana Pinto Brandão Rondon Daniel Godoy Martinez Tânia Marcourakis Fabiana Almeida dos Santos Alfésio Luís Ferreira Braga Dirce Maria Trevisan Zanetta Ubiratan de Paula Santos Burnt sugarcane harvesting - cardiovascular effects on a group of healthy workers, Brazil.
description	<h4>Background</h4>Brazil is the world's largest producer of sugarcane. Harvest is predominantly manual, exposing workers to health risks: intense physical exertion, heat, pollutants from sugarcane burning.<h4>Design</h4>Panel study to evaluate the effects of burnt sugarcane harvesting on blood markers and on cardiovascular system.<h4>Methods</h4>Twenty-eight healthy male workers, living in the countryside of Brazil were submitted to blood markers, blood pressure, heart rate variability, cardiopulmonary exercise testing, sympathetic nerve activity evaluation and forearm blood flow measures (venous occlusion plethysmography) during burnt sugarcane harvesting and four months later while they performed other activities in sugar cane culture.<h4>Results</h4>Mean participant age was 31 ± 6.3 years, and had worked for 9.8 ± 8.4 years on sugarcane work. Work during the harvest period was associated with higher serum levels of Creatine Kinase - 136.5 U/L (IQR: 108.5-216.0) vs. 104.5 U/L (IQR: 77.5-170.5), (p = 0.001); plasma Malondialdehyde-7.5 ± 1.4 µM/dl vs. 6.9 ± 1.0 µM/dl, (p = 0.058); Glutathione Peroxidase - 55.1 ± 11.8 Ug/Hb vs. 39.5 ± 9.5 Ug/Hb, (p<0.001); Glutathione Transferase- 3.4±1.3 Ug/Hb vs. 3.0 ± 1.3 Ug/Hb, (p = 0.001); and 24-hour systolic blood pressure - 120.1 ± 10.3 mmHg vs. 117.0 ± 10.0 mmHg, (p = 0.034). In cardiopulmonary exercise testing, rest-to-peak diastolic blood pressure increased by 11.12 mmHg and 5.13 mmHg in the harvest and non-harvest period, respectively. A 10 miliseconds reduction in rMSSD and a 10 burst/min increase in sympathetic nerve activity were associated to 2.2 and 1.8 mmHg rises in systolic arterial pressure, respectively.<h4>Conclusion</h4>Work in burnt sugarcane harvesting was associated with changes in blood markers and higher blood pressure, which may be related to autonomic imbalance.
format	article
author	Cristiane Maria Galvão Barbosa Mário Terra-Filho André Luis Pereira de Albuquerque Dante Di Giorgi Cesar Grupi Carlos Eduardo Negrão Maria Urbana Pinto Brandão Rondon Daniel Godoy Martinez Tânia Marcourakis Fabiana Almeida dos Santos Alfésio Luís Ferreira Braga Dirce Maria Trevisan Zanetta Ubiratan de Paula Santos
author_facet	Cristiane Maria Galvão Barbosa Mário Terra-Filho André Luis Pereira de Albuquerque Dante Di Giorgi Cesar Grupi Carlos Eduardo Negrão Maria Urbana Pinto Brandão Rondon Daniel Godoy Martinez Tânia Marcourakis Fabiana Almeida dos Santos Alfésio Luís Ferreira Braga Dirce Maria Trevisan Zanetta Ubiratan de Paula Santos
author_sort	Cristiane Maria Galvão Barbosa
title	Burnt sugarcane harvesting - cardiovascular effects on a group of healthy workers, Brazil.
title_short	Burnt sugarcane harvesting - cardiovascular effects on a group of healthy workers, Brazil.
title_full	Burnt sugarcane harvesting - cardiovascular effects on a group of healthy workers, Brazil.
title_fullStr	Burnt sugarcane harvesting - cardiovascular effects on a group of healthy workers, Brazil.
title_full_unstemmed	Burnt sugarcane harvesting - cardiovascular effects on a group of healthy workers, Brazil.
title_sort	burnt sugarcane harvesting - cardiovascular effects on a group of healthy workers, brazil.
publisher	Public Library of Science (PLoS)
publishDate	2012
url	https://doaj.org/article/edc899bbf42745678c83369ddbc1a391
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Burnt sugarcane harvesting - cardiovascular effects on a group of healthy workers, Brazil.

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