07 June 2023 : Case report
A Patient with Class III Obesity and a Body Mass Index of 70.1 kg/m² Requiring Pulmonary Artery Catheterization to Confirm the Diagnosis of Pulmonary Hypertension
Management of emergency careHiroya Hagiwara1ABE, Masayuki Akatsuka 1ABDEF*, Kanako Takahashi1B, Asami Yoshinaka1B, Shuji Yamamoto1DE
Am J Case Rep 2023; 24:e939383
BACKGROUND: Intensive care management of patients with morbid obesity has been linked to a higher mortality rate than that of the normal population and can be challenging. Obesity is a recognized risk factor for pulmonary hypertension, but it can prevent cardiac imaging. This report presents the case of a 28-year-old man with class III (morbid) obesity, a body mass index (BMI) of 70.1 kg/m², and heart failure, requiring pulmonary artery catheterization (PAC) to confirm the diagnosis of pulmonary hypertension.
CASE REPORT: A 28-year-old male patient with a a body mass index (BMI) of 70.1 kg/m² was admitted to the Intensive Care Unit (ICU) for the management of respiratory and cardiac failure. The patient had class III obesity (BMI >50 kg/m²) and heart failure. Due to the difficulties in evaluating hemodynamic status via echocardiography, a pulmonary artery catheter (PAC) was placed, revealing a mean pulmonary artery pressure of 49 mmHg, and a diagnosis of pulmonary hypertension was made. The alveolar partial pressures of oxygen and carbon dioxide were optimized by ventilatory management to reduce pulmonary vascular resistance. The patient was extubated on day 23 and was discharged from the ICU on day 28.
CONCLUSIONS: Pulmonary hypertension should be considered in the evaluation of obese patients. Using a PAC during the intensive care management of a patient with obesity could aid in the diagnosis of pulmonary hypertension as well as cardiac dysfunction, determine treatment strategies, and evaluate hemodynamic responses to various therapies.
Keywords: Catheterization, Swan-Ganz, Heart Failure, Obesity, pulmonary hypertension, Respiratory Insufficiency
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