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Published on: July 3, 2013
A Complicated Case of Resistant Hypertension
Mauro Chiarito1, Andrea Scotti1, Carlo A Pivato1
1Department of Cardio Thoracic Vascular, San Raffaele Scientific Institute, Milan, Italy.
This case study highlights a patient with difficult-to-treat hypertension. Despite extensive testing and two renal denervation procedures, a definitive cause for the resistant arterial hypertension remained elusive.
Area of Science:
- Nephrology
- Cardiology
- Hypertension Research
Background:
- Investigates a complex case of resistant arterial hypertension in a 47-year-old woman.
- Explores the diagnostic challenges in identifying secondary causes of hypertension, including pheochromocytoma and Cushing syndrome.
Observation:
- The patient underwent extensive testing to rule out common causes of secondary hypertension and factitious drug use.
- Two separate transcatheter renal denervation (RDN) procedures were performed due to poor blood pressure (BP) control.
- While RDN initially lowered BP excessively, the effect was not sustained long-term.
Findings:
- Despite thorough investigation, a definitive diagnosis for the patient's refractory hypertension was not established.
- Repeated renal denervation (RDN) showed limited long-term efficacy in managing resistant arterial hypertension.
- The patient experienced a transient, excessive blood pressure lowering effect after RDN procedures.
Implications:
- Highlights the diagnostic complexities and treatment limitations in certain cases of refractory hypertension.
- Suggests the need for further research into the mechanisms and management of unexplained resistant hypertension.
- Underscores the challenges in achieving sustained blood pressure control despite advanced interventional procedures like renal denervation (RDN).
Related Concept Videos
Hypertension and Regulation of Blood Pressure
Hypertension I: Introduction
Hypertension II: Pathophysiology
Hypertension III: Clinical Manifestations and Diagnostic Studies
Hypertension IV: Drug Therapy and Lifestyle Modifications
Hypertension V: Nursing Management

