Meanings of primary pta in English

One Midlands mother, who runs a primary PTA, wonders rhetorically whether ministers have ever spent time in deprived schools.

In the near future, primary PTA with optional stenting in the femoro-popliteal segments may give way to drug-coated balloon angioplasty or primary stenting.

Primary PTA is the mainstay of treatment in femoro-popliteal vessels with stents being used as a "bail-out" option in case of suboptimal PTA.