Left ventricular myxoma with dynamic left ventricular outflow tract obstruction

KARTIK, SAADHVI; Gopalakrishnan, Arun; Deepti, Ayswaria; Nair, Krishna Kumar Mohanan; Pillai, Vivek; Valaparambil, Ajitkumar

doi:10.1136/postgradmedj-2018-135877

Cited by 2 publications

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“…Most of the myxomas are in the left atrium, but rarely seen in the left ventricle. [ 1 , 2 , 3 ] Left atrial (LA) myxoma usually originates in atrial septum. However, Left ventricular (LV) myxoma could be located in any part of the left ventricle.…”

Section: Introductionmentioning

confidence: 99%

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Left atrial myxoma with left ventricular myxoma diagnosed by ultrasound examination

Ji¹,

Zhang

2021

Medicine

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Rationale: Left ventricular (LV) myxoma is a rare type of benign cardiac tumor, which may result in unfavorable consequences due to embolism, arrhythmia, obstruction to the outflow tract, and other constitutional symptoms. LV myxoma can be easily misdiagnosed as LV thrombosis. Although some literatures have reported LV myxoma, the echocardiographic features of Left atrial (LA) myxoma with LV myxoma have rarely been reported till date. Here, we report case of LA myxoma with LV myxoma diagnosed by echocardiographic examination. Patient concerns: A 56-year-old male patient suffering from chest tightness and asthma for 6 months and progressive aggravation for 1 month was admitted to our hospital. Diagnosis: Echocardiographic imaging gave the suspicion of LA myxoma with LV myxoma, which was confirmed by pathology. Interventions: This patient was treated surgically. Outcomes: The patient had no postoperative complications and is currently under regular follow-up. Lessons: Echocardiography can be an effective imaging method for the evaluation of LV myxoma. The combination of echocardiography and clinical symptoms may help to make an accurate diagnosis.

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Section: Introductionmentioning

confidence: 99%

“…Cardiac myxoma is the most common primary cardiac tumor. Most of the myxomas are in the left atrium, but rarely seen in the left ventricle [1,2,3] . Left atrial (LA) myxoma usually originates in atrial septum.…”

Section: Introductionmentioning

confidence: 99%

Left atrial myxoma with left ventricular myxoma diagnosed by ultrasound examination

Ji¹,

Zhang

2021

Medicine

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Analysis of Echocardiographic and Mri Anatomical Characteristics and Hemodynamic Characteristics of Left Ventricular Outflow Tract Stenosis

Wang

Song

et al. 2021

J. Mech. Med. Biol.

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Objective: To analyze the anatomical morphological and hemodynamic characteristics of left ventricular outflow tract stenosis (LVOTS) by echocardiography and MRI. Methods: The Echocardiography data of 112 patients with LVOTS were retrospectively analyzed by measuring the basal interventricular septal thickness (IVST-b), the left ventricle posterior wall thickness (LVPWT), and the peak pressure gradient of LVOTS, as well as by observing the characteristics of spectral pattern and the presence of systolic anterior motion of mitral valve leaflets. A Siemens 3.0T MRI scanner was used to scan the contrast-enhanced left ventricular (LV) volume of all cases. The obtained end-diastolic volume (EDV), end-systolic volume (ESV), stroke volume (SV) and ejection fraction (EF) of LV were compared with the Echocardiography results. Results: The 112 patients were divided into four groups: hypertrophic obstructive cardiomyopathy (Group I, 42 cases), hypertensive left ventricular hypertrophy (Group II, 40 cases), basal septal hypertrophy in the elderly (Group III, 21 cases), and the subaortic membrane (Group IV, 9 cases). The continuous wave (CW) Doppler characteristic of Groups I, II, and III was broadsword-shaped jet, and that of Group IV was equilateral triangle-like spectrum. The IVST-b, IVST-b/LVPWT ratio and peak pressure gradient of LVOTS of Group I was significantly higher than those in Groups II and III ([Formula: see text]). The LVPWT of the first three groups was slightly correlated with the LVOTS peak pressure gradient ([Formula: see text], respectively, [Formula: see text]). There were no statistically significant differences between Echocardiography and MRI results regarding the LV EDV, ESV, SV, and EF ([Formula: see text]), and no statistically significant differences were found between Echocardiography and MRI results regarding the myocardial thicknesses of septal, anterior, lateral, and inferior walls ([Formula: see text]). The Pearson’s correlation analysis demonstrated correlations between MRI and Echocardiography results for LV EDV, ESV, SV, and EF ([Formula: see text], 0.002, 0.009, and [Formula: see text], respectively). The MRI enhancement was shown as delayed enhancement in 52 cases, localized enhancement in 8 cases, diffuse enhancement in 6 cases, and transmural enhancement in 3 cases, with abnormal enhancement lesions distributed in the area of ventricular septum free wall junctions and ventricular septum. Conclusion: Using MRI to evaluate LV function of hypertrophic cardiomyopathy is reliable and accurate. MRI enhancement can be used for the quantitative measurement of myocardial fibrosis. Echocardiography can distinguish the stenosis types of LVOTS. The IVST-b and existence of SAM may be important anatomical characteristics determining the degree of dynamic stenosis, and MRI combined with Echocardiography can provide important detailed information.

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Left ventricular myxoma with dynamic left ventricular outflow tract obstruction

Cited by 2 publications

References 0 publications

Left atrial myxoma with left ventricular myxoma diagnosed by ultrasound examination

Left atrial myxoma with left ventricular myxoma diagnosed by ultrasound examination

Analysis of Echocardiographic and Mri Anatomical Characteristics and Hemodynamic Characteristics of Left Ventricular Outflow Tract Stenosis

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