2013年2月12日 星期二

鈉、鉀、離子、洗腎、飲食


洗腎患者一般而言,是不容易低血鉀的,除非吃得很少或是排泄的很多。在每月初抽血時,若是患者有低血鉀,我都會請護理同仁,不要只會對於高血鉀限制鉀衛教,也要對低血鉀的補充鉀衛教啊,因為,低血鉀會肢體無力而跌倒或是心律不整,也是可能危及生命的。

這次,WHO,有史以來第一次(?,根據Journal WATCH),對於每日鉀離子,做出建議的攝取量每日至少3510 mg/day。而,對於每日鈉,則限制在 2 gm 鈉/day,或是說5 gm 的鹽/day,以下。WHO對於小孩子,則是第一次,做出限鹽的建議。

所以,請大家不要忽視低血鉀,也要注意高飲食鈉的問題。

Physician's First Watch Logo

By Cara Adler
Most children and adults worldwide should consume less sodium and more potassium to reduce risk for cardiovascular disease, according to a pair of new guidelines issued by WHO late last week.

WHO recommends that adults consume less than 2 grams of sodium (5 grams of salt) and more than 3510 mg of potassium from food daily. For children older than 2 years, these amounts should be lowered proportionately to account for children's lower energy requirements.

This is the first time WHO has recommended limits on sodium intake for children and the first time WHO has offered dietary potassium recommendations.


WHO guideline on sodium intake (Free PDF)

WHO guideline on potassium intake (Free PDF)


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