GANGGUAN ELEKTROLIT PADA LANJUT USIA: TINJAUAN PUSTAKA DAN IMPLIKASI KLINIS
Abstract
Gangguan elektrolit merupakan masalah klinis yang sering dijumpai pada populasi lanjut usia dan berkontribusi terhadap peningkatan morbiditas, mortalitas, serta penurunan kualitas hidup. Proses penuaan menyebabkan perubahan fisiologis pada fungsi ginjal, regulasi hormonal, dan mekanisme homeostasis cairan, sehingga lansia memiliki cadangan adaptif yang terbatas terhadap stres metabolik, terutama dalam konteks komorbiditas dan penggunaan obat jangka panjang. Telaah literatur ini membahas jenis, mekanisme, manifestasi klinis, serta implikasi klinis gangguan elektrolit pada lansia berdasarkan sumber ilmiah terpercaya. Hiponatremia merupakan gangguan elektrolit tersering pada lansia dan sering berkaitan dengan perubahan regulasi hormon antidiuretik serta faktor iatrogenik. Gangguan kalium, kalsium, magnesium, dan fosfat juga sering dijumpai dengan manifestasi klinis yang tidak khas, sehingga menimbulkan tantangan diagnostik. Pendekatan yang komprehensif, meliputi deteksi dini, interpretasi kontekstual hasil laboratorium, dan tata laksana yang hati-hati, sangat penting untuk mencegah komplikasi dan meningkatkan kualitas hidup lansia.
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DOI: https://doi.org/10.33085/mdj.v1i3.6889
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