Retraction: Greater analgesic effect with intermittent compared with continuous mode of lumbar plexus block for total hip arthroplasty: a randomized controlled trial
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At the request of the primary author, the Editor and Publisher are retracting the following articles due to research misconduct.

Ueshima H, Otake H.

Limitations of the Transversus Thoracic Muscle Plane Block.

*Regional Anesthesia & Pain Medicine* 2016;41:659–660.

Ueshima H, Iwamoto W, Otake H.

Serratus Plane Block for a Contraction of the Latissimus Dorsi Muscle.

*Regional Anesthesia & Pain Medicine* 2016;41:411.

Ueshima H, Tanaka N, Otake H.

Greater analgesic effect with intermittent compared with continuous mode of lumbar plexus block for total hip arthroplasty: a randomized controlled trial.

*Regional Anesthesia & Pain Medicine* 2019;44:632–636.

All authors agree to the retraction.

*   © Author(s) (or their employer(s)) 2020. No commercial re-use. See rights and permissions. Published by BMJ.