‘Atypical Pneumonia’: Acute Mitral Regurgitation Presenting with Unilateral Infiltrate

Ogunbayo, Gbolahan; Thambiaiyah, Sumangaly; Ojo, Amole; Obaji, Adel

doi:10.1016/j.amjmed.2014.12.016

Cited by 11 publications

(14 citation statements)

References 4 publications

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“…Right-sided pulmonary edema is known to occur with AMR. 11 The etiology is related to the reverse flow of MR towards the right pulmonary veins. 10 Unilateral pulmonary edema tends to be misdiagnosed as pneumonia, 11 and a misdiagnosis of unilateral alveolar hemorrhage with AMR could also occur.…”

Section: Discussionmentioning

confidence: 99%

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Acute mitral valve regurgitation causing severe alveolar hemorrhage

Sakamoto

Enomoto

Watabe

et al. 2020

Acute Medicine & Surgery

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Background: Acute mitral regurgitation could occur without common symptoms like hemodynamic instability, but with dyspnea, hemoptysis, and right-sided infiltration on radiography. We report a case of severe alveolar hemorrhage caused by acute mitral regurgitation, which occurred in the absence of shock. Case Presentation: A 40-year-old man presented with dyspnea with bloody phlegm and hypoxia, despite being hemodynamically stable. Chest radiography revealed right-sided infiltration, and bronchoscopy showed fresh bloody phlegm in his tracheae. No specific findings were detected with any tests. After treatment with several medications and support with extracorporeal membrane oxygenation, his condition improved, although the etiology of the disease remained unknown. Transthoracic and transesophageal echocardiogram revealed severe mitral valve regurgitation with ruptured mitral chordae tendineae. These suggested that the sudden onset of mitral valve regurgitation had caused severe alveolar hemorrhage. Conclusion: Severe alveolar hemorrhage, especially with right-sided infiltration on chest radiography, should be considered a symptom of acute mitral regurgitation.

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Section: Discussionmentioning

confidence: 99%

“…Right‐sided pulmonary edema is known to occur with AMR 11 . The etiology is related to the reverse flow of MR towards the right pulmonary veins 10 .…”

Section: Discussionmentioning

confidence: 99%

Acute mitral valve regurgitation causing severe alveolar hemorrhage

Sakamoto

Enomoto

Watabe

et al. 2020

Acute Medicine & Surgery

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“…Unilateral cardiogenic pulmonary edema is a rare clinical phenomenon occurring in 2% of all cases of cardiogenic pulmonary edema. 1 Conditions associated with lobar pulmonary edema include left-to-right intracardiac shunting, reexpansion pulmonary edema, prolonged lateral decubitus position, or more commonly, mitral valve regurgitation. 2 Mitral regurgitation as a mechanical complication of acute myocardial infarction can occur in 0.25% of cases, 3 often leading to cardiogenic shock.…”

Section: To the Editormentioning

confidence: 99%

Cardiac Pneumonia: Acute Mitral Regurgitation Causing Lobar Infiltrate

Hovnanians

Alsara

Mahmoud

et al. 2017

The American Journal of Medicine

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“…The feared complication of MDMV is the rupture of the chordae tendineae, which leads to acute mitral regurgitation or the enhancement of pre-existing insufficiency 6. Symptoms of acute mitral regurgitation are of acute pulmonary edema, hypotension, and features consistent with cardiogenic shock 12. The treatment of symptomatic acute severe non-ischemic mitral rupture is immediate mitral valve surgery, which consists of implanting a prosthetic mitral or mitral valve repair 12.…”

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confidence: 99%

“…Symptoms of acute mitral regurgitation are of acute pulmonary edema, hypotension, and features consistent with cardiogenic shock 12. The treatment of symptomatic acute severe non-ischemic mitral rupture is immediate mitral valve surgery, which consists of implanting a prosthetic mitral or mitral valve repair 12. The surgical technique depends on the degree of valve degeneration, the dilation of cardiac chambers, and the experience of the surgical team 13 , 14.…”

mentioning

confidence: 99%