Key result
Abnormal nocturnal blood pressure phenotypes on ABPM (non-dipping <10% fall and reverse dipping) are consistently associated with elevated risks of type 2 diabetes, renal injury, and stroke.
Why the study?
In UK general practice, ambulatory blood pressure monitoring (ABPM) is primarily used to confirm hypertension, though nocturnal blood pressure behaviour may provide broader multi-system risk information.
Does evaluating nocturnal blood pressure patterns via ambulatory blood pressure monitoring (ABPM) improve multi-system risk stratification (metabolic, renal, and cerebrovascular outcomes) compared to clinic blood pressure measurements in primary care patients?
Does evaluating nocturnal blood pressure patterns via ambulatory blood pressure monitoring (ABPM) improve multi-system risk stratification (metabolic, renal, and cerebrovascular outcomes) compared to clinic blood pressure measurements in primary care patients?
Abnormal nocturnal blood pressure patterns on ABPM (such as non-dipping, reverse dipping, and extreme dipping) provide important prognostic information regarding metabolic, renal, cerebrovascular, and overtreatment risks beyond mean daytime blood pressure in primary care.
May support ABPM nocturnal patterns for multi-system risk stratification in primary care; leaves open prospective trials before guiding interventions.
Background: In the UK general practice, ambulatory blood pressure monitoring (ABPM) is primarily used to confirm the diagnosis of hypertension. The 24-hour profile, particularly nocturnal blood pressure behaviour, reflects autonomic and circadian regulation and may provide broader risk information. Aim: to review the evidence linking abnormal nocturnal blood pressure patterns to multi-system health risk and to consider the implications for selective use of ABPM in general practice. Design and setting: Narrative review with relevance to NHS primary care. Method: Observational and longitudinal studies examining associations between nocturnal blood pressure phenotypes and metabolic, renal, and cerebrovascular outcomes were synthesised. Results: Non-dipping patterns are associated with incident type 2 diabetes and early renal injury. Reverse dipping carries a high cerebrovascular risk and is frequently linked to obstructive sleep apnoea. Extreme dipping in older or treated patients may signal overtreatment. Evidence remains predominantly observational. Conclusion: ABPM provides clinically relevant information beyond mean blood pressure. Targeted use in higher-risk groups warrants further evaluation in UK primary care populations.
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Ogbeide et al. (2026) conducted a review in Hypertension and abnormal nocturnal blood pressure phenotypes. Abnormal nocturnal blood pressure dipping patterns (non-dipping, reverse dipping, extreme dipping) measured by 24-hour ambulatory blood pressure monitoring (ABPM) vs. Normal nocturnal dipping pattern (10–20% fall in nocturnal systolic blood pressure) was evaluated on Multi-system health outcomes including incident type 2 diabetes, early renal injury (microalbuminuria and eGFR decline), and stroke. Abnormal nocturnal blood pressure phenotypes on ABPM (non-dipping <10% fall and reverse dipping) are consistently associated with elevated risks of type 2 diabetes, renal injury, and stroke.
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