BACKGROUND & AIMS:
:A study was made on the hydration and serum electrolyte changes in 55 black underground gold miners who presented with heat disorders, and control data were obtained on 52 surface and 50 underground workers without symptoms. Cases were admitted for assessment and treatment, and a questionnaire was administered on symptoms, work, fluid intake, alcohol intake, recent health, and past history of heat disorders. Twenty-eight men had experienced heat disorders in the past. Blood specimens on days 0, 1, 2, and 7 for serum sodium, potassium, magnesium, calcium, inorganic phosphate, and serum total protein were obtained from 55 cases, of which 22 also had estimations of hemoglobin and hematocrit. Initial serum electrolyte levels, because of hemoconcentration, were found to be a poor indicator of underlying changes. Changes in serum total protein were used to correct electrolyte levels for dehydration, which showed deficits in serum total sodium and potassium. This method of correction, when compared with one using hemoglobin and hematocrit, showed similar but smaller changes in serum electrolytes. The cases were divided into subgroups of "cramps" and "collapse"; no significant differences were seen in ambient conditions, age, or electrolyte changes. The cramps group, however, had drunk significantly more water. The findings overall were those of dehydration and salt depletion.
背景与目标:
: 对55名出现热紊乱的黑色地下金矿工人的水化和血清电解质变化进行了研究,并在52名地面和50名无症状的地下工人中获得了对照数据。病例接受评估和治疗,并对症状,工作,液体摄入量,酒精摄入量,近期健康状况和既往热病史进行问卷调查。过去有28名男子经历过热病。在第0、1、2和7天的血液标本中,收集了55例患者的血清钠,钾,镁,钙,无机磷酸盐和血清总蛋白,其中22例还进行了血红蛋白和血细胞比容估计。由于血液浓缩,最初的血清电解质水平被发现是潜在变化的不良指标。血清总蛋白的变化用于纠正电解质水平的脱水,这表明血清总钠和钾不足。与使用血红蛋白和血细胞比容的校正方法相比,这种校正方法显示出相似但较小的血清电解质变化。将病例分为 “抽筋” 和 “塌陷” 亚组; 在环境条件,年龄或电解质变化方面没有显着差异。然而,抽筋组喝了更多的水。总体结果是脱水和盐分消耗。