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Abstract This is written so as to report the case of a 71-year-old male with a diagnosis of sigmoid adenocarcinoma accompanied by severe coronary artery disease and unstable angina, which was subject to simultaneous surgical treatment. The patient initially underwent an off-pump coronary artery revascularization in order to avoid the complications of cardiopulmonary bypass, providing the opportunity of a colectomy at the same time with the use of safe surgical means. Our case suggests that performing an off-pump bypass procedure prior to cancer surgery can be an appropriate course of action in carefully selected cases.

Abstract Background Although mediastinal tumors compressing or invading the superior vena cava represent the major causes of the superior vena cava syndrome, benign processes may also be involved in the pathogenesis of this medical emergency. One of the rarest benign causes is a pseudoaneurysm developing in patients previously having heart surgery. Case report We present the case of a large pseudoaneurysm of the ascending aorta, five years after primary surgery, with a significant compression of the right mediastinal venous system causing superior vena cava syndrome, detected at chest CT angiography. Perioperative findings showed two rush out points both coming from the distal aortic suture line which was performed five years ago. The patient underwent reoperation under circulatory arrest facilitating safe exploration and repair of the distal anastomotic leaks Conclusion Enhanced chest CT should be always undertaken in all patients with superior vena cava syndrome, especially in those previously having cardiac or aortic surgery to correctly evaluate the presence of a pseudoaneurysm. Mass effect to the superior vena cava makes necessary an open surgical treatment of the pseudoaneurysm so as to concurrently resolve the right mediastinal venous system's compression. Surgery should be performed in terms of safe approach to avoid exsanguination and cerebral malperfusion.

Abstract Background Left atrial thrombi are mostly related to mitral valve disease. The differential diagnosis of clots and myxomas in the left atrium is mostly based on echocardiography. Infection of intracardiac thrombi is extremely rare and mostly reported in ventricular clots or aneurysms following myocardial infarction. Case presentation We present the case of a 65 year old female with a history of mitral valve disease and chronic atrial fibrillation who suffered repeated embolic strokes and a giant infected clot in the left atrium. Although the patient underwent prompt surgery with removal of the clot and valve replacement the complication of septic emboli to the CNS led her to death. To the best of our knowledge this is the second report of an infected left atrial thrombus. Conclusion The case is a representative example of a neglected and undertreated patient with catastrophic consequences. Anticoagulant therapy in patients with mitral valve disease and atrial fibrillation should be applied according the currently available guidelines and standards in order to avoid analogous paradigms in the future. Mitral valve substitution should be considered in patients with mitral valve disease presenting thromboembolic complications. Surgery should be considered as the treatment of choice in cases of organized left atrial thrombus and suspected tumor or infected mass.