Risks of acupuncture range from stray needles to pneumothorax, finds study

@article{Kmietowicz2012RisksOA,
  title={Risks of acupuncture range from stray needles to pneumothorax, finds study},
  author={Zosia Kmietowicz},
  journal={BMJ : British Medical Journal},
  year={2012},
  volume={345}
}
  • Z. Kmietowicz
  • Published 7 September 2012
  • Medicine
  • BMJ : British Medical Journal
About 100 patients a year in England and Wales experience adverse events after acupuncture delivered by the NHS, ranging from having needles left on their body to pneumothorax, a study has found.1 Although most incidents aren’t harmful, it is likely that the total figure is an underestimate because of under-reporting, say the researchers. They recommend a number of practices that can improve the safety of acupuncture. The researchers searched the database of the national reporting and… 
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References

Patient safety incidents from acupuncture treatments: a review of reports to the National Patient Safety Agency.
TLDR
A number of AEs are recorded after acupuncture treatments in the NHS but the majority is not severe, however, miscategorisation and under-reporting may distort the overall picture.