eISSN: 1897-4252
ISSN: 1731-5530
Kardiochirurgia i Torakochirurgia Polska/Polish Journal of Thoracic and Cardiovascular Surgery
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4/2022
vol. 19
 
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abstract:
Original paper

Angioplasty balloon occlusion of LIMA graft in reoperations of patients with prosthetic valve endocarditis and patent LIMA-LAD graft

Ivilin Plamenov Todorov
1
,
Zdravka Petrova Todorova
2
,
Dimitar Petrov Nikolov
1

  1. Department of Cardiac Surgery, Acibadem City Clinic Tokuda Hospital, Sofia, Bulgaria
  2. Department of Endocrinology, Specialized Hospital for Active Treatment of Pediatric Diseases, Faculty of Medicine, Medical University – Sofia, Sofia, Bulgaria
Kardiochirurgia i Torakochirurgia Polska 2022; 19 (4): 199-204
Online publish date: 2022/12/24
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Introduction
Myocardial protection in reoperative cardiac surgery is extremely difficult in patients with previous coronary surgery and a working LAD-LIMA graft. We use the method of percutaneous angiographic balloon left internal mammary artery (LIMA) occlusion and cardioplegic arrest.

Aim
To compare the data of patients with angiographic balloon LIMA-occlusion and those without occlusion in operations related to prosthetic valve endocarditis (PVE), and determine the degree of safety and benefits of the method.

Material and methods
A total of 20 patients undergoing surgery for PVE with a patent LIMA-LAD graft were analyzed retrospectively. We divided the patients into 2 groups: group A – patients with LIMA occlusion; and group B – patients without LIMA occlusion. The pre-, intra- and postoperative results were compared and the degree of safety and benefits of the application of the method were studied.

Results
80% of patients in group A needed only dopamine infusion and 20% needed the addition of a second catecholamine at the end of CPB. In group B, the need for double catecholamine maintenance was noted in 50% of patients. The need for implantation of an intra-aortic balloon pump due to refractory heart failure was registered in 10% of patients in group A and in 20% of patients in group B. In terms of survival, mortality in the group with LIMA occlusion was 0%, while in the group without LIMA occlusion it was 20%.

Conclusions
Our observations suggest that angiographic balloon LIMA occlusion is a reliable, easily applicable and relatively safe technique that improves the surgical results.

keywords:

prosthetic valve endocarditis, left internal mammary artery occlusion, reoperations, myocardial protection, valve surgery

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