Key Finding
Acupuncture was associated with reductions of 6.73 mmHg in systolic blood pressure and 6.59 mmHg in diastolic blood pressure in patients with primary hypertension, though substantial heterogeneity limits the strength of conclusions.
Researchers recently reviewed seven clinical trials involving 812 people with high blood pressure (primary hypertension) to determine whether acupuncture can help lower blood pressure. The studies, published between 2015 and 2024, compared acupuncture treatments to control groups.
The analysis found that acupuncture was associated with reductions in both systolic blood pressure (the top number) by an average of 6.73 mmHg and diastolic blood pressure (the bottom number) by an average of 6.59 mmHg. These reductions may be clinically meaningful for some patients with elevated blood pressure.
However, there are important limitations to consider. The seven studies varied considerably in their approaches—some used traditional needle acupuncture, while others used different acupuncture techniques. Treatment frequency ranged dramatically from just one session to 60 sessions over 12 weeks, making it difficult to determine the optimal treatment approach. The studies also showed significant variation in their results, which the researchers call "substantial heterogeneity."
Reported side effects were minor and included temporary pain or discomfort at needle insertion sites, though not all studies thoroughly documented safety information.
What this means for you: While these findings suggest acupuncture may help lower blood pressure, the evidence is not yet strong enough to make definitive recommendations. If you're considering acupuncture for hypertension, discuss it with your doctor first, especially if you're already taking blood pressure medications. Acupuncture should be viewed as a potential complementary approach rather than a replacement for proven medical treatments. If you decide to try acupuncture, seek treatment from a licensed and qualified acupuncture practitioner.
This systematic review and meta-analysis evaluated seven RCTs (n=812) examining acupuncture for primary hypertension published 2015-2024. Using random-effects models, researchers found acupuncture associated with statistically significant reductions in systolic blood pressure (MD=-6.73 mmHg, 95% CI: -8.84 to -4.62) and diastolic blood pressure (MD=-6.59 mmHg, 95% CI: -9.42 to -3.76). However, substantial heterogeneity was observed (I²=73.3% for SBP, I²=90.9% for DBP), reflecting considerable variation in acupuncture modalities, treatment protocols (ranging from single sessions to 60 sessions over 12 weeks), and study populations. Quality assessment used the Cochrane Risk of Bias tool. Adverse events were reportedly minor but inconsistently documented across studies. Clinical takeaway: While preliminary evidence suggests potential blood pressure-lowering effects, significant methodological heterogeneity, small study numbers, and variable intervention protocols limit clinical applicability. Larger, standardized, multi-centre RCTs with longer follow-up are needed before definitive practice recommendations can be made.
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