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Abstract
Metabolic syndrome is characterized by insulin resistance/hyperinsulinemia, atherogenic dyslipidemia (elevated triglycerides, low HDL), and hyperglycemia. The high prevalence of metabolic syndrome in pulmonary hypertension leads to the hypothesis that metabolic syndrome may play a contributing role in pulmonary hypertension and heart failure with preserved ejection fraction pathogenesis. We present a 62-year-old woman with morbid obesity, mild pre-capillary pulmonary hypertension, and metabolic syndrome. Her metabolic syndrome was treated with a medically-supervised ketogenic diet delivered by a telehealth healthcare team via a continuous remote care platform. Following one year of treatment, metabolic syndrome was reversed, leading to successful weight loss concurrent with hemodynamic improvement. This case highlights the feasibility of using a nutritional strategy to treat pulmonary hypertension associated with obesity and metabolic syndrome, common contributors to group 2 and 3 pulmonary hypertension. We bring this case and technique to the pulmonary hypertension community to share a tool in our therapeutic toolkit and highlight the importance of nutritional advice extending beyond telling a patient they should lose weight to invoking a rational strategy. We argue that strategic nutritional intervention through reversal of her metabolic syndrome using a medically-supervised ketogenic diet is a safe and effective treatment strategy in metabolic syndrome-associated pulmonary hypertension.