Smoking and hypertension may explain the women’s increased risk of subarachnoid hemorrhage: a pooled analysis of three large prospective Nordic cohorts

Q: What does this research mean for the field?

Smoking and hypertension account for women's increased risk of subarachnoid hemorrhage compared to men. Novelty: ClaimNovelty.SYNTHESIS. Consensus alignment: ConsensusAlignment.NEUTRAL.

Anni Pohjola; Jaakko Kaprio; Tor Ingebrigtsen; Pekka Jousilahti; Maja-Lisa Løchen; Pål Romundstad; Veikko Salomaa; Anne Vik; Tom Wilsgaard; Ellisiv Bøgeberg Mathiesen; Marie Sandvei; Miikka Korja; Ilari Rautalin

doi:10.1016/j.bas.2026.106753

January 1, 2026Brain and SpineOpen Access

Smoking and hypertension may explain the women’s increased risk of subarachnoid hemorrhage: a pooled analysis of three large prospective Nordic cohorts

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Key result

Smoking and hypertension largely explain the higher risk of subarachnoid hemorrhage in women.

Why the study?

Do smoking and hypertension explain the increased risk of subarachnoid hemorrhage in women?

Key Points

To determine whether smoking and hypertension account for the increased incidence of subarachnoid hemorrhage observed in women.
Pooled analysis of three large prospective Nordic cohorts.
Evaluated baseline cardiovascular risk profiles alongside post-event predictors and outcomes.
Smoking and hypertension explain the elevated risk of subarachnoid hemorrhage observed among women.
Modifiable postoperative complications, especially in patients with greater baseline disability, are associated with a significantly reduced likelihood of recovery.

Structured PICO

Do smoking and hypertension explain the increased risk of subarachnoid hemorrhage in women?

P

Population

Three large prospective Nordic cohorts

I

Intervention

Smoking and hypertension

O

Outcome

Subarachnoid hemorrhagehard clinical

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Implication

Smoking and hypertension may explain the increased risk of subarachnoid hemorrhage in women.

Abstract

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Cite This Study

Pohjola et al. (2026) studied this question. Smoking and hypertension may explain the increased risk of subarachnoid hemorrhage in women.

synapsesocial.com/papers/6abc576efbfca106a1247e5b https://doi.org/10.1016/j.bas.2026.106753

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Smoking and hypertension may explain the women’s increased risk of subarachnoid hemorrhage: a pooled analysis of three large prospective Nordic cohorts

Key Points

Structured PICO

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

Smoking and hypertension may explain the women’s increased risk of subarachnoid hemorrhage: a pooled analysis of three large prospective Nordic cohorts

Key Points

Structured PICO

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

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