Mini-invasive transmitral myectomy and mitral valve replacement in obstructive hypertrophic cardiomyopathy case

Zemlyannikov ID1, Tsaregorodtsev AV1, Nguyen HN2, Ferzalieva ZR1, Drozhdina AA1
About authors

1 Pirogov Russian National Research Medical University, Moscow, Russia

2 Bakulev National Medical Research Center of Cardiovascular Surgery, Moscow, Russia

Correspondence should be addressed: Ivan D. Zemlyannikov
Ostrovityanova, 1, Moscow, 117997, Russia; moc.liamg@navivokinnaylmez

About paper

Acknowledgments: the authors thank O.Yu Pidanov for the clinical case.

Author contribution: Zemlyannikov ID, Nguyen HN — literature analysis, text authoring; Tsaregorodtsev AV — clinical case analysis, literature collection and analysis, text authoring; Ferzalieva ZR, Drozhdina AA — text editing.

Compliance with the ethical standards: the patient signed the form of voluntary informed consent for surgical treatment.

Received: 2023-03-05 Accepted: 2023-04-29 Published online: 2023-05-22
Fig. 1. Left atticotomy behind the interatrial sulcus
Fig. 2. Intraoperative view of the MV from the LA side. * — excessive mobility of the posterior leaflet in the P3 and P2 regions due to detachment of the chords
Fig. 3. MV excision, exposure of the LVOT obturation
Fig. 4. Muscle bundle obtruding the LVOT. Navigation lines indicate the extent of the excision
Fig. 5. The process of excision of the swelling muscle
Fig. 6. Final stage of the process of excision of the MV and some of the subvalvular structures
Fig. 7. LV after MV excision and myectomy (final view)
Fig. 8. MV prosthesis