Giant right ventricular myxoma presenting as right heart failure with systemic congestion: a rare case report

Chen, Lü; Yang, Peng; Hu, Jia

doi:10.1186/s12893-020-00977-4

Cited by 6 publications

(4 citation statements)

References 15 publications

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“…[11][12][13][14] Larger cardiac myxomas may cause similar hemodynamic abnormalities resulting in chylothorax. 15 In our case, the left atrial myxoma can float through the mitral valve into the left ventricle during diastole, causing mitral orifice obstruction like rheumatic mitral stenosis, which can gradually or suddenly result in congestion of systemic circulation and obstruction of lymphatic return, and eventually cause chylothorax. Furthermore, the chylothorax improved after oral diuretics were used to reduce pulmonary congestion and improve cardiac function, and the chylothorax was subsequently cured by complete removal of the cardiac myxoma without recurrence during a 6-month follow-up period, which further demonstrated that the left atrium myxomas caused the chylothorax.…”

Section: Discussionmentioning

confidence: 74%

“…The increased pressure of the superior vena cava can cause lymphatic reflux disorders, leading to the development of chylothorax, which is the main mechanism of the heart disease‐related chylothorax mentioned above 11–14 . Larger cardiac myxomas may cause similar hemodynamic abnormalities resulting in chylothorax 15 . In our case, the left atrial myxoma can float through the mitral valve into the left ventricle during diastole, causing mitral orifice obstruction like rheumatic mitral stenosis, which can gradually or suddenly result in congestion of systemic circulation and obstruction of lymphatic return, and eventually cause chylothorax.…”

Section: Discussionmentioning

confidence: 99%

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Chylothorax caused by left atrial myxoma: A rare case report

Liao

Huang

et al. 2021

Journal of Cardiac Surgery

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Background: Myxoma is the most common tumor of the heart that can cause embolism, obstruction, and cardiac failure, but rarely causes chylothorax. We herein report a case of chylothorax caused by left atrial myxoma, which responded to diuretic therapy and was subsequently cured by resecting cardiac myxoma.Case presentation: This is a case of a 63-year-old male with symptoms of cardiac insufficiency who was diagnosed with a left atrial myxoma. The patient also had a massive pleural effusion on the right side, which was diagnosed as chylothorax by Sudan III staining and the content of triglyceride. The pleural effusion disappeared and the symptoms of heart failure were relieved after draining the effusion with a fine thoracic drainage tube, but pleural effusion and cardiac insufficiency symptoms relapsed soon. Although diuretic treatment can improve the symptoms and reduced the amount of chylous fluid preoperatively, the chylous pleural effusion was eventually cured by surgical removal of the tumor, and no recurrence of the tumor and chylothorax was found in the 6-month follow-up.Conclusions: Chylothorax is rare comorbidity of cardiac myxoma. Large myxoma can cause congestive heart failure and lead to disfunction of chylous reflux, resulting in chylothorax, which can be cured by resection of the primary tumor.

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Section: Discussionmentioning

confidence: 74%

Section: Discussionmentioning

confidence: 99%

Chylothorax caused by left atrial myxoma: A rare case report

Liao

Huang

et al. 2021

Journal of Cardiac Surgery

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“…Right-sided myxomas are uncommon (15%–20%), and RV (3%–4%) or pulmonary artery myxomas are exceedingly uncommon ( 6 ). Syncope, pulmonary embolism, chest congestion, and sudden death are complications that can result from obstruction of the outflow of blood from the RV ( 2 , 7 ).…”

Section: Discussionmentioning

confidence: 99%

Successful management of a rare case of juvenile giant right ventricular myxoma

Gong

Yang²,

Shen³

et al. 2023

Front. Surg.

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Primary cardiac tumors are extremely uncommon in young children and infants. Cardiac myxoma are typically found in the atria, predominately in the left atrium, with relatively few found on the right side, such as in the right ventricle or pulmonary artery. Numerous significant complications, including sudden death, can result from obstruction of the main pulmonary artery trunk and right ventricular outflow tract. Here, we describe the case of a 14-year-old Chinese girl diagnosed with a right ventricular myxoma located in the right ventricle and extended into the main pulmonary trunk. Complete resection of the myxoma and histological confirmation were performed.

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“…Another case study reported resection of a right ventricular myxoma of 9.5 × 5.0 cm. However, resection of a ventricular tumor combined with clearance of a pulmonary embolism has not often been reported [ 6 ].…”

Section: Discussionmentioning

confidence: 99%

Choledochoscope-guided treatment of pulmonary embolism caused by ventricular myxoma

Mao

Wang

Wei

et al. 2023

J Cardiothorac Surg

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A 33-year male patient presented with a 6-month history of cough and shortness of breath upon physical activity. Echocardiography demonstrated right ventricular space-occupying lesions. Contrast-enhanced computed tomography of the chest showed multiple emboli in the pulmonary artery and its branches. Right ventricle tumor (myxoma) resection, tricuspid valve replacement, and clearance of the pulmonary artery thrombus were performed under cardiopulmonary bypass. Minimally invasive forceps and balloon urinary catheters were used to clear the thrombus. Clearance was confirmed by direct visualization using a choledochoscope. The patient recovered well and was discharged. The patient was prescribed oral warfarin 3 mg/day, and the international normalized ratio for prothrombin time was maintained between 2.0 and 3.0. Pre-discharge echocardiogram showed no lesion in the right ventricle or pulmonary arteries. The 6-month follow-up echocardiography indicated that the tricuspid valve was functioning well and showed no thrombus in the pulmonary artery.

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Giant right ventricular myxoma presenting as right heart failure with systemic congestion: a rare case report

Cited by 6 publications

References 15 publications

Chylothorax caused by left atrial myxoma: A rare case report

Chylothorax caused by left atrial myxoma: A rare case report

Successful management of a rare case of juvenile giant right ventricular myxoma

Choledochoscope-guided treatment of pulmonary embolism caused by ventricular myxoma

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