Abstract

TOPIC: Critical Care TYPE: Medical Student/Resident Case Reports INTRODUCTION: Electronic cigarette or vaping product use-associated lung injury (EVALI) is potentially life-threatening disease that has become increasingly recognized over the last years. However, the extra-pulmonary manifestations of this disease are not as well described. We present a patient who simultaneously developed acute EVALI and stress induced cardiomyopathy. CASE PRESENTATION: A 35-year-old female with a recent heavy vaping history presented to hospital via EMS due to disorganized behavior. Her past medical history was notable for polysubstance abuse and an extensive neuropsychiatric history. Her vital signs were notable for sinus tachycardia, hypotension and hypoxia with an oxyhemoglobin saturation 65%. Her physical exam was notable for cyanosis, rales to pulmonary auscultation and use of accessory muscles. She was intubated and started on empiric antibiotics for community acquired pneumonia, and vasopressors. A computer tomography pulmonary angiography (CTPE) was negative for acute pulmonary embolism but showed scattered bilateral airspace opacities with dependent consolidations (fig 1.). Relevant laboratory on admission included procalcitonin 28.17, WBC count 12.9 and troponin 1.58. SARs-COV-2, serum blood cultures, legionella antigen, streptococci pneumoniae antigen and HIV were negative. Urine toxicology was positive for cannabinoids. Bronchoalveolar lavage later demonstrated 50,000 TNC with neutrophil predominance. EKG showed sinus tachycardia and nonspecific ST depression. Echocardiogram revealed severe diffuse hypokinesis with left ventricular ejection fraction (LVEF) of 13%. During her ICU course she continued on mechanical ventilation with lung protective strategy, systemic glucocorticoids and antibiotics. Vasopressors were subsequently weaned off. Repeated echocardiogram on ICU day five demonstrated a recovered LVEF at 55%. Patient's hypoxemia improved, and she was successfully extubated on ICU day eight. DISCUSSION: Pulmonary injury is the most well described clinical manifestation of EVALI, however a large majority of these patients also present with gastrointestinal symptoms and malaise, suggesting a systemic disease process. Our patient had newly reduced LVEF suggestive of stress induced cardiomyopathy which consequently improved with standard and supportive care. CONCLUSIONS: It is important to maintain a high index of suspicion of secondary organ damage, as prompt diagnosis and treatment of EVALI associated cardiac dysfunction can have an impact in short- and long-term prognosis. REFERENCE #1: Kligerman S, Raptis C, Larsen B, Henry TS, Caporale A, Tazelaar H, Schiebler ML, Wehrli FW, Klein JS, Kanne J. Radiologic, Pathologic, Clinical, and Physiologic Findings of Electronic Cigarette or Vaping Product Use-associated Lung Injury (EVALI): Evolving Knowledge and Remaining Questions. Radiology. 2020 Mar;294(3):491-505. doi: 10.1148/radiol.2020192585. Epub 2020 Jan 28. PMID: 31990264. DISCLOSURES: No relevant relationships by David barounis, source=Web Response No relevant relationships by Xavier Fonseca, source=Web Response No relevant relationships by Dana Mueller, source=Web Response

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