Low urine pH is a risk for non-alcoholic fatty liver disease: A population-based longitudinal study - 03/12/18
, Akihiro Obora c, Takao Kojima c, Michiaki Fukui aBienvenue sur EM-consulte, la référence des professionnels de santé.
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Highlights |
• | The impact of urine pH on incident NAFLD was investigated in retrospective study. |
• | Over the median 6.8-year follow-up duration, 2023 participants developed NAFLD. |
• | The participants were categorized into three groups according to urine pH. |
• | The lowest urine pH was associated with higher risk of incident NAFLD. |
Summary |
Background |
Low urine pH has a close association with insulin resistance. This study was aimed to investigate the association between urine pH and incident non-alcoholic fatty liver disease (NAFLD), which is associated with insulin resistance.
Subjects and methods |
In this historical cohort study of 11,012 participants (5503 men and 5509 women), we investigated the effect of urine pH on incident NAFLD. NAFLD was defined as having fatty liver diagnosed by abdominal ultrasonography and excluding the participants consumed ethanol over 60g/day for men and 40g/day for women. We divided the participants into three groups according to urine pH; the lowest group (urine pH≤5.5), the middle group (urine pH=6.0) and the highest group (urine pH≥6.5). Cox proportional hazards models was performed to investigate the effect of urine pH on incident NAFLD, adjusting for age, sex, body mass index, smoking, exercise, alcohol consumption, alanine aminotransferase, triglycerides, systolic blood pressure, uric acid and fasting plasma glucose.
Results |
Over the median 6.8-year follow-up duration, 2023 participants developed NAFLD, and the crude proportions were 20.3% (case/N=1104/5447) in the lowest urine pH group, 16.3% (487/2989) in the middle urine pH group and 16.8% (432/2576) in the highest urine pH group. The lowest urine pH group showed a significantly higher risk for incident NAFLD than the highest urine pH group (adjusted hazard ratio 1.48, 95% confidence interval 1.31–1.66, P<0.001).
Conclusion |
Low urine pH is associated with incident NAFLD. Our findings indicate that urine pH can be an additional data when considering further diagnostic investigation for NAFLD in patients who have other risk factors.
Le texte complet de cet article est disponible en PDF.Keywords : Cohort study, Non-alcoholic fatty liver disease, Urine pH, Epidemiology
Plan
Vol 42 - N° 6
P. 570-576 - décembre 2018 Retour au numéro
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