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Lung exposure during simultaneous myocardial revascularization and lung surgery through median sternotomy
Dariusz Jagielak, Radoslaw Kozaryn, Rafal Pawlaczyk, Piotr Siondalski, Witold Rzyman, Jan Rogowski
Kardiochirurgia i Torakochirurgia Polska 2016; 13 (4): 316-318
- Lung exposure during.pdf [0.19 MB]
IntroductionThe data concerning combined cardiac and pulmonary surgery through median sternotomy are scarce and remain controversial. Despite symptoms of coronary artery disease (CAD) in 10% of lung cancer patients undergoing surgery, combined operations are still uncommon [1–3]. In selected patients with concomitant severe CAD and malignant neoplasia, simultaneous off-pump myocardial revascularization and lung resection could be the optimal choice . Such a technique can avoid the hemodynamic instability caused by heart disease during the pulmonary stage of the procedure, decreasing operative complications and hospital stay. Moreover, in this approach we eliminate the potential complications of extracorporeal circulation (ECC): “postperfusion syndrome”, edema in the residual lung tissue and risk of dissemination of neoplastic cells .
Median sternotomy provides optimal exposure for the majority of cardiac procedures.Theoretically, any anatomic pulmonary resection can be performed through this incision; however, many such resections pose significant technical challenges . The main limitations of a median sternotomy for pulmonary resection are difficult visualization, dissection of lower lobe arterial and venous branches and difficulty resecting lymph node stations 7, 8 and 9. Furthermore, single lung ventilation increases the challenge of pulmonary resection via median sternotomy . These technical problems require stringent balancing of the risks and benefits of combined treatment and consequently have swayed many surgeons in the direction of performing staged operations instead. We suggest a solution to the aforementioned difficulties related to this particular procedure through the creation of a bilateral pleuro-pericardial window and displacement of the heart.
TechniqueClassical off-pump coronary revascularization is performed first, followed by the lung resection. Median sternotomy is performed in the standard fashion. The pericardium is opened with a reversed T-shaped incision extending from the aorta to the diaphragm and drawn down the entire length of the pericardium bilaterally. When the cardiac part of the operation is completed and protamine is injected, the pulmonary portion can commence with the creation of a bilateral pleuro-pericardial window. We open both pleural cavities by an incision in the contralateral pericardium posterior to the phrenic nerve. The left and right pleurae are widely opened parallel to the longitudinal incision of the pericardium. The incision of the left pleura reaches the apex of the heart, while the incision of the right pleura is extended to the diaphragm and driven down the pericardium to the inferior vena cava. In this manner, a space is created that allows for easy displacement of the heart to the pleural cavity opposite to the operated lung. Two or three traction stitches are placed on the pleuro-pericardial margin of the operated side to simplify dislocation (Fig. 1). Intrapleural placement prevents any heart compression during lung resection and therefore almost eliminates the risk of hemodynamic instability. In addition, this simple maneuver increases retraction in the pleural space in which the pulmonary pathology resides.
DiscussionWe have been using this maneuver successfully during all concomitant procedures since 2001. The most common indication for combined surgery was coexisting pulmonary malignancy and coronary artery disease. The number of supporters of concomitant heart and lung operations is steadily increasing. Arguments favoring such type of treatment are based on several medical and economic benefits. Of critical significance is the fact that simultaneous operations eliminate the necessity of a second operation and do not defer necessary postoperative oncological therapy. Avoiding additional anesthesia, stress and postoperative pain connected with the second operation, and earlier lung resection can result in lower postoperative morbidity and mortality. Additionally, one intervention through the median sternotomy reduces pain and accelerates recovery of respiratory function in the early postoperative period. A single hospital stay is associated with reduced treatment costs. In selected patients, concomitant heart surgery and pulmonary tissue resection can be performed safely and is a feasible alternative to the two-stage approach. The bilateral pleuro-pericardial window creation and heart displacement technique gives improved surgical exposure of the heart and lung hilum and plays an important, promising role in such interventions.
DisclosureAuthors report no conflict of interest.
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Copyright: © 2016 Polish Society of Cardiothoracic Surgeons (Polskie Towarzystwo KardioTorakochirurgów) and the editors of the Polish Journal of Cardio-Thoracic Surgery (Kardiochirurgia i Torakochirurgia Polska). This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) License (http://creativecommons.org/licenses/by-nc-sa/4.0/), allowing third parties to copy and redistribute the material in any medium or format and to remix, transform, and build upon the material, provided the original work is properly cited and states its license.
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pod redakcją Jacka Rysza i Macieja Banacha
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pod redakcją Tomasza Banasiewicza i Macieja Zielińskiego
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Intensywna terapia vademecum (redaktorzy: Tero Ala-Kokko, Juha Perttilä, Ville Pettilä, Esko Ruokonen)
Leki w intensywnej terapii (redaktorzy: Esko Ruokonen, Irma Koivula, Ilkka Parviainen, Juha Perttilä
Redaktorzy wydania polskiego: Andrzej Kański, Jan Adamski
Format: 132×210 mm
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