PURPOSE: Hypertensive disorders complicate 5-10% of all pregnancies and contribute greatly to maternal morbidity and mortality. There are various biomarkers for detection of preeclampsia. Several studies have reported that positive correlation exists between serum uric acid (UA) levels and adverse maternal and fetal outcome. Significant advances have been made toward validation of salivary biomarkers. We conducted this study to determine levels of salivary UA and its correlation with serum UA normal pregnancy and preeclampsia. METHODS: Present cross-sectional study was conducted in tertiary care teaching hospital in North India. One hundred and fifty participants were divided into control group (50 healthy non-pregnant females), study group I (50 normotensive pregnant females), study group II (50 pregnant females with preeclampsia), and both salivary and serum UA was estimated at the same time. RESULTS: Saliva UA of study group II (4.86 ± 2.37 mg/dl) was significantly higher (p < 0.001) than that of control group (2.09 ± 1.33 mg/dl) and study group I (3.32 ± 1.77 mg/dl). Serum UA of study group II (6.63 + 2.78 mg/dl) was significantly higher (p < 0.001) than that of control group (2.94 + 1.94 mg/dl) and also study group I (5.18 + 2.31 mg/dl) (p = 0.0006). CONCLUSION: UA is present in the saliva of women with preeclampsia and has linear correlation with serum UA. Therefore, salivary UA can be used in place of invasive serum UA to monitor women with preeclampsia. Saliva collection is easy, noninvasive and cost-effective. Salivary UA testing may be useful for monitoring preeclampsia at home-based and hospital setting.
PURPOSE: Hypertensive disorders complicate 5-10% of all pregnancies and contribute greatly to maternal morbidity and mortality. There are various biomarkers for detection of preeclampsia. Several studies have reported that positive correlation exists between serum uric acid (UA) levels and adverse maternal and fetal outcome. Significant advances have been made toward validation of salivary biomarkers. We conducted this study to determine levels of salivary UA and its correlation with serum UA normal pregnancy and preeclampsia. METHODS: Present cross-sectional study was conducted in tertiary care teaching hospital in North India. One hundred and fifty participants were divided into control group (50 healthy non-pregnant females), study group I (50 normotensive pregnant females), study group II (50 pregnant females with preeclampsia), and both salivary and serum UA was estimated at the same time. RESULTS: Saliva UA of study group II (4.86 ± 2.37 mg/dl) was significantly higher (p < 0.001) than that of control group (2.09 ± 1.33 mg/dl) and study group I (3.32 ± 1.77 mg/dl). Serum UA of study group II (6.63 + 2.78 mg/dl) was significantly higher (p < 0.001) than that of control group (2.94 + 1.94 mg/dl) and also study group I (5.18 + 2.31 mg/dl) (p = 0.0006). CONCLUSION: UA is present in the saliva of women with preeclampsia and has linear correlation with serum UA. Therefore, salivary UA can be used in place of invasive serum UA to monitor women with preeclampsia. Saliva collection is easy, noninvasive and cost-effective. Salivary UA testing may be useful for monitoring preeclampsia at home-based and hospital setting.
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