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Updated: Jul 2, 2026

Chronic Ovine Model of Right Ventricular Failure and Functional Tricuspid Regurgitation
Published on: March 17, 2023
[Rupture of the internal thoracic artery 6 weeks after MIDCAB operation].
M G Dehne1, J Meckum, M Dumitriu
1Abteilung für Anästhesie, Intensivmedizin, Notfallmedizin und Schmerztherapie, RTH-Standort Christoph 10, Verbundkrankenhaus Bernkastel/Wittlich, Koblenzer Str. 91, 54516 Wittlich, Deutschland. mg.dehne@verbund-krankenhaus.de
A rare complication of minimally invasive coronary bypass surgery occurred when a bypass vessel ruptured 27 days post-operation. This case study highlights a successful surgical intervention for this critical cardiac event.
Area of Science:
- Cardiac Surgery
- Minimally Invasive Procedures
- Vascular Complications
Background:
- Minimally invasive coronary bypass surgery is an established cardiac procedure.
- Complications, though rare, can occur following these operations.
- Internal mammary artery grafts are commonly used in bypass surgery.
Observation:
- A 51-year-old male experienced collapse 27 days after a left-sided internal mammary artery bypass to the anterior interventricular artery.
- The patient presented with a ruptured bypass vessel, a serious complication.
- Emergency medical interventions including pericardial puncture and cardiopulmonary resuscitation were initiated.
Findings:
- The ruptured bypass vessel was identified as the cause of the patient's collapse.
- Prompt medical response and transfer to a specialized center were crucial.
- The patient underwent successful surgical repair of the ruptured vessel.
Implications:
- This case underscores the importance of recognizing and managing rare but severe complications of minimally invasive bypass surgery.
- Early diagnosis and intervention are critical for patient survival and recovery.
- Further research into the long-term safety and potential complications of these procedures is warranted.
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