Key result
Lower systolic blood pressure (90 mm Hg) was associated with a higher risk of vasovagal syncope compared to a median SBP of 120 mm Hg (estimate 3.18; 95% CI 1.55-6.54).
Why the study?
Does lower systolic blood pressure increase the risk of vasovagal syncope in young adults undergoing blood tests?
Does lower systolic blood pressure increase the risk of vasovagal syncope in young adults undergoing blood tests?
Answers are grounded in this paper and cite their sources.
Lower systolic blood pressure is associated with a higher risk of vasovagal syncope in young adults undergoing blood tests.
Letter to the Editor pared with the median SBP (120 mm Hg), lower SBP showed a linear association with a higher risk of VVS (90 mm Hg: 3.18, 1.55-6.54; p for non-linearity = 0.09; Fig. There were no significant differences of other baseline characteristics between the VVS and non-VVS groups (hemoglobin: 15.2 1.1 vs. 14.9 1.3g/dL, p = 0.1; age: 18.4 0.8 vs. 18.5 1.3 years, p = 0.72; time from last meal to blood test: 7.6 2.8 vs. 7.9 2.8 h, p = 0.46; and creatinine: 0.79 0.13 vs. 0.78 0.13 mg/dL, p = 0.85).
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Yamada et al. (2017) conducted a letter in Vasovagal Syncope. Lower Systolic Blood Pressure vs. Median SBP (120 mm Hg) was evaluated on Risk of Vasovagal Syncope (VVS) (3.18, 95% CI 1.55-6.54, p=0.09). Lower systolic blood pressure (90 mm Hg) was associated with a higher risk of vasovagal syncope compared to a median SBP of 120 mm Hg (estimate 3.18; 95% CI 1.55-6.54).
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