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Papers of the Week

2021 Mar 26

Medicine (Baltimore)



Little needle-scalpel for piriformis syndrome: A protocol for systematic review and meta-analysis.


Zhu Q, Zhu S, Xiong J, Lu L, Chen J, Zhong Z, Tang G
Medicine (Baltimore). 2021 Mar 26; 100(12):e25242.
PMID: 33761718.


Piriformis syndrome (PS) is a condition in which the sciatic nerve is compressed when passing through the inferior mouth of the piriformis muscle, mainly caused by pain in one hip and leg. In severe cases, patients may experience severe buttock and lower limb pain, discomfort, difficulty walking, and claudication. It is estimated that the annual incidence of low back pain and sciatica is about 40 million cases, and the annual incidence of piriformis syndrome is about 2.4 million cases. The aim of this systematic review is to assess the effectiveness and safety of Little needle-scalpel therapy for Piriformis syndrome.