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Severe noncardiogenic pulmonary edema after cardiopulmonary bypass: Case report.

ABSTRACT: Lung injury is a common complication after cardiopulmonary bypass (CPB). However, cases of noncardiogenic pulmonary edema in which the patient ultimately requires extracorporeal membrane oxygenation (ECMO) support are uncommon. A 54-year-old man was admitted to the hospital with shortness of breath after activity and paroxysmal dyspnoea at night for 3 months. Infective endocarditis and acute heart failure were diagnosed. The patient underwent emergency surgery including aortic valve replacement, mitral valve replacement, tricuspid valve repair, and ventricular septal defect correction. It's noteworthy that the patient experienced significant pulmonary edema during the surgery and within 8 hours postoperatively, with over 3000 mL of yellow-clear fluid aspirated from the trachea and bronchi. The patient eventually recovered through ECMO V-V mode treatment. Inflammatory markers were markedly elevated during the perioperative period, and blood smear revealed Gram-positive bacterial infection. Blood NGS testing detected Streptococcus pneumoniae infection. Despite various factors contributing to the patient's pulmonary edema, it is hypothesized that the edema is related to uncontrolled inflammatory response and cytokine storm. Therefore, when significant pulmonary edema occurs during surgery, swift and decisive actions are necessary to avoid missing the optimal rescue window. If required, the use of ECMO is an effective final treatment option.

SUBMITTER: Zeng J

PROVIDER: S-EPMC10589860 | biostudies-literature | 2023 Oct

REPOSITORIES: biostudies-literature

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Severe noncardiogenic pulmonary edema after cardiopulmonary bypass: Case report.

Zeng Jianfeng J Li Yongxing Y Liu Jing J Li Li L

Heliyon 20231010 10

Lung injury is a common complication after cardiopulmonary bypass (CPB). However, cases of noncardiogenic pulmonary edema in which the patient ultimately requires extracorporeal membrane oxygenation (ECMO) support are uncommon. A 54-year-old man was admitted to the hospital with shortness of breath after activity and paroxysmal dyspnoea at night for 3 months. Infective endocarditis and acute heart failure were diagnosed. The patient underwent emergency surgery including aortic valve replacement, ...[more]

PMID: 37867906

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Project description:IntroductionDiuretics are a commonly used for the treatment of acute pulmonary edema. However, inappropriate administration of diuretic drugs can result in clinical treatment failure and cause acute pulmonary edema. This is due to rapid decreases in intravascular volume as a result of diuretic treatment. To date, the clinical phenomenon of inappropriate use of diuretics leading to acute pulmonary edema remains unexplored and unrecognized. Here, we report the first case of this problem-pulmonary edema following diuretic therapy.Patient concernsA 71-year-old male patient who was intubated and transferred to the intensive care unit (ICU) due to respiratory failure was initially diagnosed with pneumonia as a complication of acute respiratory distress syndrome (ARDS). After treatments including antibiotics, lung protective ventilation strategies, and restrictive fluid management, his respiratory symptoms improved. However, the patient's dyspnea became more severe after experimental diuretic therapy.DiagnosisA point-of-care ultrasound (POCUS) examination showed increased extravascular lung water retention during a hypovolemic state. After full examinations and analysis, the diagnosis of acute pulmonary edema was determined.InterventionsThe most likely cause of acute pulmonary edema was left ventricular (LV) hyperdynamic status due to a hypovolemic status caused by excessive diuretic therapy. Consequently, we administrated intravenous fluids and a β-receptor blocker to the patient.OutcomesFollowing these treatment, the patient's respiratory distress improved remarkably.ConclusionWe report the first case of pulmonary edema following diuretic therapy to stress the need of physicians to follow guidelines of clinical practice. Maintaining an appropriate volume status and treatment of β-receptor blockers is the key to reversing the progress of this adverse effect. In this process, POCUS is a reliable diagnostic tool to identify the cause of acute pulmonary edema and can increase the accuracy of clinical evaluations. It is likely that a wider use of POCUS will help physicians to obtain a faster, and more accurate, diagnosis of the etiology of acute pulmonary edema, thus allowing a more appropriate therapy.

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Severe noncardiogenic pulmonary edema after cardiopulmonary bypass: Case report.

Publications

Severe noncardiogenic pulmonary edema after cardiopulmonary bypass: Case report.

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