Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

185 questions · 187 findings · 25 reviews · Hypertension

No studies found 20 · 10.7%GRADE not reported 8 · 4.3%Very low 27 · 14.4%Low 43 · 23%Moderate 27 · 14.4%High 62 · 33.2%

Lower blood pressure targets vs standard blood pressure targets

Total serious adverse events · cardiovascular disease with high blood pressure

Lower blood pressure targets showed no clear difference in total serious adverse events compared with standard blood pressure targets (low certainty).

1 finding from 1 review

Lower blood pressure targets vs standard blood pressure targets

Cardiovascular mortality · cardiovascular disease with high blood pressure

Lower blood pressure targets showed no clear difference in cardiovascular mortality compared with standard blood pressure targets (moderate certainty).

1 finding from 1 review

Lower blood pressure targets vs standard blood pressure targets

Withdrawals due to adverse events · cardiovascular disease with high blood pressure

It is very uncertain whether lower blood pressure targets changes participant withdrawals due to adverse effects compared with standard blood pressure targets (very low certainty).

1 finding from 1 review

Intensive periodontal treatment (subgingival SRP with or without other periodontal treatment) vs Supra-gingival scaling

Endothelial function (flow-mediated dilation) · Adults (any age/sex) with chronic periodontitis (>=5 teeth remaining; PPD >4 mm), with or without hypertension

Intensive periodontal treatment (subgingival SRP with or without… led to higher endothelial function (flow-mediated dilation) compared with supra-gingival scaling; GRADE not reported.

3 findings from 1 review

Intensive periodontal treatment (subgingival SRP with or without other periodontal treatment) vs No treatment (no periodontal treatment)

Endothelial function · Adults (any age/sex) with chronic periodontitis (>=5 teeth remaining; PPD >4 mm), with or without hypertension

Periodontal treatment (subgingival SRP with or without other… showed no clear difference in endothelial function (forearm blood flow) compared with no treatment (no periodontal treatment); GRADE not reported.

1 finding from 1 review

Intervention not reported

High vs low dose Systolic blood pressure · children (from 1 to 18 years of age) with hypertension from primary or secondary causes
1 finding from 1 review

Intervention not reported

High vs low dose Diastolic blood pressure · children (from 1 to 18 years of age) with hypertension from primary or secondary causes
1 finding from 1 review

Higher BP target (< 150‐160/95‐105 mmHg) vs lower BP target (< 140/90 mmHg)

Serious adverse events: cardiovascular events · older adults with primary hypertension

Higher BP target (< 150‐160/95‐105 mmHg) showed no clear difference in cardiovascular serious adverse events compared with lower BP target (< 140/90 mmHg) (low certainty).

1 finding from 1 review