Table 1.

Unilateral pulmonary edema: summary of recent literature review

Reference	Publication year	Demographics	Chest X-ray	Echocardiography	Underlying comorbidities
Kashiura et al. [9]	2017	Case 1: 72-year-old woman. Case 2: 40-year-old woman	Case 1: right-side limited alveolar-interstitial infiltrates with cardiomegaly. Case 2: left-side limited alveolar-interstitial infiltrates without cardiomegaly	Case 1: only sinus tachycardia. Case 2: mitral valve prolapse with severe regurgitation without left atrial dilation, and the regurgitant jet tended to blow toward the left side of the left atrium	Case 1: hypertension. Case 2: previously healthy
Mehta and Macduff [10]	2016	75-year-old woman	Right-sided pulmonary edema with sparing of the left lung	Flail anterior leaflet of the mitral valve with preserved left ventricular function	Out of hospital cardiac arrest following sudden breathlessness
Doshi and El Accaoui [11]	2016	75-year-old man	Asymmetric pulmonary edema with prominent vascular markings on the right lung	A flail anterior mitral leaflet secondary to ruptured posteromedial papillary muscle causing severe mitral regurgitation	Previously healthy
Venugopal et al. [12]	2015	18-year-old man	Unilateral pulmonary edema restricted to right side	Mild mitral regurgitation with no systolic or diastolic dysfunction	Previously healthy
Omran et al. [13]	2014	45-year-old woman	Mild cardiomegaly and left perihilar air space opacities	Not done	Chronic kidney disease, hypertension, and diabetes
Shin et al. [1]	2012	79-year-old man	Alveolar-interstitial infiltrates limited to the right lung	Ejection fraction of approximately 40% with global hypokinesia and mild mitral regurgitation	Current tobacco smoker and hypertension
Pandya et al. [3]	2012	74-year-old man	Right upper lobe infiltrates	Moderate pulmonary hypertension dilated left heart chambers, moderately severe mitral regurgitation, and ejection fraction of 20%.	Chronic obstructive airway disease (COPD), asbestosis-related pleural plaques, left lower limb deep vein thrombosis (DVT), and heavy alcohol consumption
Warraich et al. [14]	2011	52-year-old man	Right-sided infiltrates	Moderate aortic stenosis and 4 + mitral regurgitation, raising the possibility of a mitral valve perforation	Hypertensive, with a 40-pack-a-year smoking history
Gowrinath et al. [15]	2009	24-year-old man	Confluent alveolar opacities in the right mid and lower zones	Left ventricular hypertrophy and mild mitral regurgitation	Chronic kidney disease and hypertension
Peña et al. [16]	2005	76-year-old man	Acute pulmonary edema, predominantly right-sided	Ejection fraction of 50% with anteroapical akinesia and mild mitral regurgitation	Diabetes mellitus and hypertension
Mokta et al. [17]	2002	21-year-old man	Soft fluffy shadows in the left lung	Dilatation and systolic dysfunction of the right ventricle with normal left ventricular systolic function	Previously healthy
Lesieur et al. [18]	2000	Case1: 72-year-old man. Case 2: 75-year-old woman. Case 3: 90-year-old man	Case 1: interstitial infiltrate located only in the right lung without cardiomegaly. Case 2: right-sided pulmonary infiltrate. Case 3: interstitial infiltrate in the right upper lobe	Case 1: flail posterior leaflet of the mitral valve with grade 3/4 regurgitation and dilatation of the left atrium. Case 2: myxomatous mitral valve with a flail posterior leaflet and grade 4/4 regurgitation. Case 3: posterior buckling of the mitral valve with mitral regurgitation	Case 1: mitral valve prolapsed with grade 1 mitral regurgitation. Case 2: grade 2 mitral regurgitation. Case 3: mitral regurgitation, coronary artery disease, and atrial fibrillation