ArticleCureus2024
A Case Report and Literature Review of Pheochromocytoma Without Tachycardia.
Article in Cureus, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
4 authors.
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Abstract
This case report highlights a 47-year-old woman with an adrenal incidentaloma and a history of polysubstance abuse, finally diagnosed with pheochromocytoma. Characterized by episodic hypertension, headaches, and palpitations, pheochromocytoma is a rare condition with potential complications like uncontrolled hypertension and heart failure. Remarkably, during her 28-day hospitalization, continuous monitoring revealed no instances of tachycardia or arrhythmias despite multiple symptomatic episodes. This finding aligns with reports that while 50-70% of symptomatic pheochromocytoma patients experience palpitations, only about 20% exhibit detectable tachycardia or arrhythmias. This discrepancy suggests varied individual cardiovascular responses to catecholamine surges, possibly due to differences in catecholamine inactivation rates and receptor sensitivity. This case underscores the complexity of pheochromocytoma symptoms and highlights the need for personalized diagnostic and management strategies. Furthermore, it points to a significant gap in understanding the correlation between palpitations and arrhythmia in pheochromocytoma, indicating a critical area for future research.
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