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Should we pay more attention to low creatinine levels?
Carlos A Amado Diago1, José A Amado Señaris2
1FEA de Neumología del Hospital Universitario Marqués de Valdecilla y Profesor Asociado de Medicina de la Universidad de Cantabria, Santander, España.
Endocrinologia, Diabetes Y Nutricion
|April 26, 2020
Summary
Creatinine, a marker of muscle mass, indicates prognosis. Low levels of urinary and serum creatinine suggest potential health risks, especially when sarcopenia is involved in disease severity and survival.
Area of Science:
- Biochemistry
- Clinical Medicine
- Nutritional Science
Background:
- Creatine/creatinine metabolism is fundamental to understanding muscle physiology.
- Creatinine serves as a reliable biochemical marker for muscle mass.
- Sarcopenia significantly impacts morbidity and mortality across various clinical conditions.
Purpose of the Study:
- To review the metabolic pathways of creatine and creatinine.
- To highlight the established link between creatinine levels and muscle mass.
- To emphasize the prognostic significance of low creatinine levels in sarcopenia-related conditions.
Main Methods:
- Literature review of creatine/creatinine metabolism.
- Analysis of the relationship between creatinine and muscle mass.
- Evaluation of prognostic data concerning low urinary and serum creatinine levels.
Main Results:
- Creatinine levels directly correlate with muscle mass.
- Low urinary creatinine excretion is linked to poorer outcomes.
- Low serum creatinine levels are associated with increased morbidity and mortality risks.
Conclusions:
- Creatinine is a key indicator of muscle mass and overall health.
- Low creatinine levels, particularly in the context of sarcopenia, warrant clinical attention for prognostic assessment.
- Further research into sarcopenia's role in disease progression is essential.
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