21. Intrahepatic abscess ( treated by percutaneous drainage ) and gallbladder ischemia are extremely rare. 22. Valvuloplasty is an important part of the procedure to deploy a percutaneous aortic valve. 23. Percutaneous transcatheter therapy is used to repair the mitral valve and sometimes the septum.24. After maximal foot abduction is obtained, most cases require a percutaneous Achilles tenotomy. 25. For example percutaneous coronary intervention ( CABG ). 26. The RAI rapidly normalizes within 24 hours of percutaneous closure of atrial septal defects. 27. Percutaneous tibial nerve stimulation stimulators have also been used, with varying degrees of success.28. A percutaneous coronary intervention is first performed. 29. Other surgeons practice minimally invasive percutaneous surgery for cosmetic correction of hammer toes and bunions. 30. Mechanical thrombectomies can be surgical ( surgical thrombectomy ) or percutaneous ( percutaneous thrombectomy ).