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Kardiochirurgia i Torakochirurgia Polska/Polish Journal of Thoracic and Cardiovascular Surgery
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2/2016
vol. 13
 
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Combined mitral valve replacement associated with the Bentall procedure, diaphragmatic hernia repair and reconstruction of the pectus excavatum in a 26-year-old patient with Marfan syndrome

Piotr Stępiński
,
Tomasz Stankowski
,
Sleiman Sebastian Aboul-Hassan
,
Anna Szymańska
,
Jakub Marczak
,
Romuald Cichoń

Kardiochirurgia i Torakochirurgia Polska 2016; 13 (2): 135-139
Online publish date: 2016/07/03
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Case report

A 26-year-old male patient with Marfan syndrome was admitted to the department of cardiology due to cardiac decompensation. Sudden cardiac arrest occurred due to electromechanical dissociation. The patient was successfully reanimated and was transferred to the intensive care unit (ICU). For 24 hours, therapeutic hypothermia (33°C) was induced. On the third day, the patient was weaned from sedation and recovered his consciousness. Medical imaging procedures revealed enlarged aortic bulb 92 mm × 80 mm, severe aortic and mitral regurgitation, and huge diaphragmatic hernia, where the hernial sac containing the stomach, duodenum and the colon was located in the right pleural cavity. The patient also had severe chest wall deformation – pectus excavatum (Fig. 1). On the 10th day, the intubated patient was transferred to the department of cardiac surgery. The patient underwent a combined surgical procedure where the mitral valve, aortic valve and ascending aorta had to be replaced simultaneously with the surgical repair of the huge diaphragmatic hernia and pectus excavatum. Through sternal incision, the myocutaneous flaps were dissected and the severely deformed sternum with the ribs were exposed. The body of the sternum was then resected into two parts for the further reconstruction procedure. The rib cartilage of the deformed ribs was resected and a periosteal flap was formed, preserving the two internal mammary arteries. The extracorporeal circulation was established. The aorta was then clamped and Calafiore cardioplegia was given through the aortic root. Then, the right atrium was opened, and through the interatrial septum the left atrium was exposed. Then the mitral valve was replaced using a mechanical prosthesis (33 mm). The Bentall procedure was performed using a mechanical prosthesis (29 mm). The distal part of the conduit was anastomosed with the ascending aorta using a continuous 3/0-prolene suture reinforced with Teflon felt strips and tissue glue. During the reperfusion the right atrium was closed and the patient was weaned from cardiopulmonary bypass using catecholamines. Laparotomy through the bilateral subcostal (Chevron) incision was performed. The left lobe of the liver was freed from the inferior vena cava, and the hernial sac containing the stomach, duodenum and the colon was exposed. The stomach, duodenum and the transverse colon were pushed back to their proper anatomic position in the abdominal cavity (Fig. 2). The hernia was then repaired and the gastric fundus was fixed to the diaphragm. Reconstruction of the sternum was performed where the position of the manubrium was not changed, whereas the sternal corpus was inverted. The physiological shape of the chest wall was achieved using Ethibond Excel sutures and sternal wires (Fig. 3). The sternum was stabilized using an external chest frame. The surgery took 8 h 45 min, cardiopulmonary bypass time 3 h 47 min, aortic cross-clamp time 2 h 21 min. Two days after the surgery, the patient was weaned from sedation and recovered his consciousness; however, extubation was possible on post-operative day six. After beginning oral nutrition the patient started coughing and vomiting. Upper gastrointestinal tract radiography revealed a bronchoesophageal fistula between the right main stem bronchus and the lower esophagus. The patient was transferred to the department of thoracic surgery. Bronchoscopy revealed pressure ulceration of the posterior tracheal wall with bronchoesophageal fistula, probably caused by endotracheal intubation (Fig. 4). During the next days, another bronchoscopy was performed and revealed a spontaneous closure of the bronchoesophageal fistula. Post-operative echocardiography revealed proper valvular prosthesis function. Cardiac computed tomography revealed a good result of the reconstruction of the pectus excavatum (Figs. 5, 6).

Discussion

The most serious pathologies in patients with Marfan syndrome are pathologies that affect the structure of the aorta and the function of the heart valves. Reports of combined operations in patients with Marfan syndrome are rare. Many studies have shown that these patients are often enrolled into staged procedures in order to manage their conditions [6-8]. In our case, it was decided to perform simultaneous surgery. In order to perform such complicated surgery, detailed preoperative diagnostic tests had to be done. In our case, detailed preoperative radiological and ultrasonographic diagnostics were performed in order to evaluate possible defects among the thoracic and abdominal cavities. Combined simultaneous procedures provide many positive effects, especially in these patients. This complex procedure decreases the number of applications of general anesthesia to one. The development of diagnostic tests, especially in the field of radiology and ultrasonography, provides faster and wider access to rapid diagnostic tests and high-quality care. Consequently, better health screening in asymptomatic patients with a positive family history is provided, and this can lead to an increase in health and life expectancy of patients with Marfan syndrome by over 30 years [5]. Such combined procedures that are performed to manage all conditions in these high-risk patients provide a lower amount of postoperative pain and injuries compared to patients undergoing staged procedures. On the other hand, a simultaneous operation shortens the duration and reduces the cost of hospitalization.

Conclusions

Combined surgery which included mitral valve replacement, the Bentall procedure, diaphragmatic hernia repair and reconstruction of the pectus excavatum is not a standard procedure, but it is very efficient and safe for such patients. Due to the fact that Marfan syndrome is associated with many disorders that affect different systems of the body, these patients always require an individual approach.

Disclosure

Authors report no conflict of interest.

References

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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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