PTMC Full Form in Medical term is Percutaneous Transvenous Mitral Commissurotomy. In patients with severe, symptomatic mitral stenosis (MS) and acceptable mitral valve morphology on echocardiography, (PTMC), also termed percutaneous mitral balloon valvotomy, has emerged as the treatment of choice.
The PTMC works on the concept that the MV will separate along the line of low effort, which is the commissures, when a balloon filled with fluid is expanded. Individuals with asymptomatic MS who have had significant hemodynamic alterations and have an echocardiographically-detectable, optimally-shaped MV are also candidates for PTMC.
The PTMC was first created in the 1980s, and since then, it has progressed from a double-balloon approach to the more common features a variety single balloon, the Inoue-Balloon Catheter, which achieves similar results to operative mitral commissurotomy.
The procedure is done under fluoroscopic guidance through a transseptal incision and a femoral vein. Transseptal access or assessment of this MV during the procedure is aided by transesophageal echocardiography (TEE) or general anesthesia support, but the frequency of cases in the Western world has decreased, necessitating these measures.
Patients with the mitral stenosis who seem to be good candidates for commissurotomy typically benefit most from (PTMC). Patients who aren’t appropriate surgical candidates can also access palliative care at PTMC.