ISSN : 1301-5680
e-ISSN : 2149-8156
Turkish Journal of Thoracic and Cardiovascular Surgery     
A simultaneous coronary artery bypass grafting on beating heart and right upper lobectomy in a patient with a lung adenocarcinoma
Kıvanç Atılgan1, Ertan Demirdaş1, Bayram Metin2, Zafer Cengiz Er1, Ferit Çiçekçioğlu1
1Department of Cardiovascular Surgery, Bozok University Research and Application Hospital, Yozgat, Turkey
2Department of Thoracic Surgery, Bozok University Research and Application Hospital, Yozgat, Turkey
DOI : 10.5606/tgkdc.dergisi.2018.15458


A coexisting coronary heart disease may increase the operative mortality and morbidity rates of lung resection. A simultaneous or a two-stage procedure using myocardial revascularization prior to the pulmonary resection may reduce the postoperative morbidity and mortality. Herein, we present a 65-year-old male case of a lung adenocarcinoma in whom a simultaneous coronary artery bypass grafting on a beating heart and right upper lobectomy was performed.


A concomitant coronary heart disease (CHD) may remarkably increase the mortality or morbidity rates of the primary pulmonary operation in patients with lung cancer. Nearly 5% of the patients awaiting a major lung resection is in need of an invasive or non-invasive cardiac intervention,[1,2] and also, among the given reports, 0.5% of the patients with CHD are reported as having accompanying lung cancer.[3-5]

Given these facts, it turns out to be a controversial decision for the surgical process and steps as how to do: One or two-stage, and for single-stage surgery, there comes some other questions: which one is to do first? Coronary artery bypass grafting (CABG) or pulmonary resection? Shall we use cardiopulmonary bypass (CPB) or not?.

In this article, we present a simultaneous coronary artery bypass grafting on a beating heart and right upper lobectomy in a 65-year-old male patient with a lung adenocarcinoma.

Case Presentation

A 65-year-old man was admitted with coughing and stable angina pectoris for three months. Physical examination was unremarkable. Chest X-ray showed a right upper lung mass. A contrast computed tomography of the thorax demonstrated a 5.2×5.3 cm lesion in the right upper lobe (Figure 1). Bronchoscopic examination revealed a hyperemic endobronchial tumor at the right upper lobe, suggesting an adenocarcinoma. According to the positron emission tomography, the maximum standardized uptake value (SUVmax) of the lesion was observed to be 13, and there was no mediastinal lymph node uptake. Electrocardiography showed T-wave changes in the V3-6. On transthoracic echocardiography, left ventricular wall dysfunction was observed with an ejection fraction of 50%. Cardiac catheterization demonstrated 95% stenosis of the left anterior descending (LAD) coronary artery, while other coronary arteries did not have any occlusion higher than 30% (Figure 2).

Figure 1: A contrast computed tomography image showing the lesion in the right upper lobe of the thorax (arrow).

Figure 2: Coronary artery angiography showing the stenosis of the left anterior descending artery (arrow).

A written informed consent was obtained from the patient. Following general anesthesia, doublelumen endotracheal intubation was performed. The patient underwent only median sternotomy. Although the left internal mammary artery (LIMA) is often harvested under systemic heparinization to avoid early graft failure,[9] we preferred to harvest the LIMA before lung surgery without heparinization, due to the fact that heparinization would cause bleeding and a worse exposure eventually. Then, lobectomy of right upper lobe and mediastinal and a wide hilar lymph node excision were performed through median sternotomy. The frozen-section pathology result was reported as an adenocarcinoma for the excisional lung tissue and as the normal lymphatic tissue for the mediastinal lymph nodes. When the pulmonary resection and lymph node dissection were completed, hemostasis was secured prior to heparinization. After the lobectomy procedure, the patient underwent CABG on a beating heart without CPB. Anticoagulation was achieved using intravenous heparin (200 U/kg). The activated clotting time was maintained above 300 sec. The heart was stabilized using the Octopus suction stabilizer (Medtronic, Inc. Minneapolis, Minnesota, USA). The LIMA graft was anastomosed to the LAD with continuous 7-0 polypropylene on the beating heart. Two chest tubes for right, one for left, and one mediastinal tube were put in place, and the incision was closed in continuous layers. Postoperatively, the remaining right lung expanded without evidence of air leaks and the patient had an uneventful postoperative recovery. Final pathology revealed a 4-cm, moderately differentiated adenocarcinoma, and a negative hilar lymph node with a free bronchial margin, pathological stage IB (T2aN0M0). No oncologic treatment regimen was required. No complaints or clinical signs of recurrence were observed during the six-month followup period.


Five-year survival rate of patients undergoing pulmonary resection of Stage I non-small cell lung cancer has been estimated as 65 to 92%.[6,7] If a patient has a coexisting CHD, the operative mortality and morbidity following lung resection significantly increase.[8,9] A t wo-stage procedure, performing myocardial revascularization with CABG or percutaneous transluminal coronary angioplasty interventions prior to the pulmonary resection may reduce the postoperative morbidity and mortality.[10,11] However, a two-staged procedure leads to an increase in the cost and morbidity of two separate procedures, and any complication related to the initial operation, mediastinal fixation, and adhesive tissue growth following the LIMA harvesting process, and pleural effusion in the left thoracic cavity may reduce the success of pulmonary resection. In addition, delaying the lung resection for two months for CABG and conventional stents and three months for drug-eluting stents due to a mandatory antiaggregant therapy may cause tumor growth and dissemination, which becomes a quite undesired situation for such an aggressive tumor type.[12,13]

In single-stage procedures performing CABG before pulmonary resection may result in a remarkable difficulty in hilar exposure due to heparinization, which would be more difficult during CPB due to the need of higher doses of heparin.[3,14] The additional disadvantages of CPB include perioperative coagulopathy, immunosuppression, and the entrance of tumoral cells into the systemic blood circulation. Therefore, the avoidance of CPB may be beneficial by reducing the associated morbidity in patients undergoing myocardial revascularization with suitable coronary anatomy.

We recommend in such cases applying surgery in a single-stage procedure. Due to hilar exposure difficulties related to heparinization, harvesting LIMA and saphenous grafts should be the first step of surgery. In eligible cases, the second step should be pulmonary resection. In case of critical CHD and hemodynamic instabilities, pulmonary resection may follow CABG procedure, which would result in an additional difficulty in hilar and pulmonary exposure not to damage the bypassing grafts. Therefore, hilar dissection prior to heparinization may be beneficial for the surgeon in performing pulmonary dissection after CABG.

In conclusion, applying a single-stage procedure in patients with lung cancer who are amenable to surgery and coexisting coronary heart disease is an effective and safe method.

Declaration of conflicting interests
The authors declared no conflicts of interest with respect to the authorship and/or publication of this article.

The authors received no financial support for the research and/or authorship of this article.


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Keywords : Adenocarcinoma; coronary artery bypass grafting; lung resection; mortality; morbidity

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