Costa José Maria Farah, Lima Abner Ariel da Silva, Rodrigues Dario, Khoury Eliana Dirce Torres, Souza Givago da Silva, Silveira Luiz Carlos de Lima, Pinheiro Maria da Conceição Nascimento
Programa de Pós-graduação em Doenças Tropicais, Núcleo de Medicina Tropical, Universidade Federal do Pará - Belém, Pará (PA), Brasil.
Rev Bras Epidemiol. 2017 Apr-Jun;20(2):212-224. doi: 10.1590/1980-5497201700020003.
: The investigation of clinical and neurological impactations associated with exposure to mercury levels in exposed populations is necessary in the Amazon.
: To analyze emotional and motor symptoms of riverside dwellers exposed by diet in the municipalities of Itaituba and Acará, in Pará, Brazil.
: Hair samples were collected to assess the total mercury (HgT). Demographic data as well as emotional (depression, anxiety and insomnia) and motor (paresthesia, muscle weakness, loss of balance when walking, tremors, limb pain and dysarthria) symptomatology data were obtained.
: Mean levels of HgT in Itaituba were significantly higher (p < 0.0001) than in Acará. Emotional symptoms were identified in 26 (26.5%) participants from Itaituba and in 24 (52.2%) from Acará. Specific motor complaints in Itaituba occurred in 63 (64.3%) volunteers; the most frequently mentioned afflictions were limb pain (36.7%), paresthesia (32.6%) and muscle weakness (27.5%). In Acará, 33 (71.7%) participants had motor symptoms, the majority of which complained of paresthesia (54.3%), limb pain (52.2%) and tremors (34.8%). Average HgT levels in Itaituba in those with emotional and motor symptoms were above the tolerable levels (6 µg/g) determined by the World Health Organization.
: Results showed that mercury levels in emotional and motor symptoms in Itaituba are higher than in riverside dwellers in Acará. Further studies, including the application of specific qualitative and/or quantitative standard tests, as well as the investigation of other clinical signs are necessary.
在亚马逊地区，有必要对接触汞的人群中与汞暴露相关的临床和神经学影响进行调查。
分析巴西帕拉州伊塔图巴市和阿卡拉市因饮食接触汞的河边居民的情绪和运动症状。
采集头发样本以评估总汞（HgT）含量。获取了人口统计学数据以及情绪（抑郁、焦虑和失眠）和运动（感觉异常、肌肉无力、行走时失去平衡、震颤、肢体疼痛和构音障碍）症状学数据。
伊塔图巴市的HgT平均水平显著高于阿卡拉市（p < 0.0001）。伊塔图巴市26名（26.5%）参与者出现情绪症状，阿卡拉市24名（52.2%）参与者出现情绪症状。伊塔图巴市63名（64.3%）志愿者出现特定运动症状；最常提及的病症是肢体疼痛（36.7%）、感觉异常（32.6%）和肌肉无力（27.5%）。在阿卡拉市，33名（71.7%）参与者有运动症状，其中大多数抱怨感觉异常（54.3%）、肢体疼痛（52.2%）和震颤（34.8%）。伊塔图巴市有情绪和运动症状者的HgT平均水平高于世界卫生组织确定的可耐受水平（6 µg/g）。
结果表明，伊塔图巴市情绪和运动症状中的汞含量高于阿卡拉市的河边居民。有必要开展进一步研究，包括应用特定的定性和/或定量标准测试，以及调查其他临床体征。
