ArticleAmerican journal of physiology. Heart and circulatory physiology2026
Between-visit reproducibility of cerebrovascular and cardiovascular reactivity during the cold pressor test.
Article in American journal of physiology. Heart and circulatory physiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The cold pressor test (CPT) is a painful test used to assess cardiovascular and cerebrovascular reactivity. Past studies examined between-visit reproducibility of cardiovascular reactivity during the CPT but not cerebrovascular reactivity. Therefore, we performed a retrospective analysis to test the hypothesis that cerebrovascular responses during the CPT would not differ and would have moderate relative agreement between visits. Fifty young adults free from overt disease, not taking pain-modifying medications, completed two trials ≥48 h apart. We measured middle cerebral artery blood velocity (MCAv) via transcranial Doppler ultrasound, beat-to-beat blood pressure (BP) via photoplethysmography, and end-tidal CO
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