一周以后,他们的总体脂、腹内脂肪和肝脏脂肪分别平均显著降低了6%、11%和42%,胰岛素耐受性显著增强,总胆固醇、甘油三酯、血糖和血压均得到控制。
However, after one week, heart fat content had risen by 44 per cent and there was a noteable deterioration in heart function, including the heart's ability to pump blood.
然而,一周后,他们的心脏脂肪含量飙升44%,包括输送血液在内的心脏功能大大减弱。
Dr Rayner said: "The metabolic improvements with a very low calorie diet, such as a reduction in liver fat and reversal of diabetes, would be expected to improve heart function. Instead, heart function got worse in the first week before starting to improve."
雷纳博士说:“低热量饮食带来的代谢改善,包括肝脏脂肪含量的降低、糖尿病症状的减轻等,本来将有望改善心脏功能,可是,心脏功能在开始改善前的第一周变得更糟。”
"The sudden drop in calories causes fat to be released from different parts of the body into the blood and be taken up by the heart muscle," she added. "The heart muscle prefers to choose between fat or sugar as fuel and being swamped by fat worsens its function. After the acute period in which the body is adjusting to dramatic calorie restriction, the fat content and function of the heart improved."
“卡路里摄入的突然降低,导致身体不同部位脂肪被溶解后进入血液循环,然后被心肌吸收。”她补充道。“心肌从脂肪或血糖中吸收动能,但是如果吸入的脂肪过多,则会损害心脏功能。直到身体适应了大大降低的卡路里摄入量之后,心脏的脂肪含量和功能才会得以改善。”
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