Journal of endocrinological investigation · 2025
Screening of primary aldosteronism and pheochromocytoma among patients with hypertension: an Italian nationwide survey.
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Monticone Silvia, Goi Jessica, Burrello Jacopo, Di Dalmazi Guido, Cicero Arrigo F G, Mancusi Costantino, Moia Elena Coletti, Iaccarino Guido, Veglio Franco, Borghi Claudio, Muiesan Maria L, Ferri Claudio, Mulatero Paolo, Italian Society of Arterial Hypertension (SIIA)
Аннотация
PURPOSE: The delayed or missed diagnosis of secondary hypertension contributes to the poor blood pressure control worldwide. This study aimed to assess the diagnostic approach to primary aldosteronism (PA) and pheochromocytoma (PHEO) among Italian centers associated to European and Italian Societies of Hypertension.
METHODS: Between July and December 2023, a 10-items questionnaire was administered to experts from 82 centers of 14 Italian regions and to cardiologists from the ARCA (Associazioni Regionali Cardiologi Ambulatoriali) Piemonte. Results were stratified for geographical area, specialty, and center category (excellence vs. non-excellence centers).
RESULTS: Each center diagnosed an average of 2 cases of PA and 0.2 cases of PHEO annually, with higher figures in excellence centers. PA screening is performed mainly in patients with resistant hypertension (73.2%) or hypertension and spontaneous hypokalemia (84.1%), while only 17.1% and 35.4% of centers screen patients with grade 2-3 hypertension. Screening rate is lower for cardiologists compared to other specialists. The main barriers to wider testing were challenges in interpreting the aldosterone/renin ratio under interfering medications and switching to non-interfering drugs. Clinical scores to predict the likelihood of PA and the definition of Standard Operating Procedures were identified as potential tools to boost screening rates. Testing for PHEO was mostly conducted in patients with typical symptoms (75.6%) and/or hypertensive crisis (74.4%). Only 37.8% of centers screened all patients with adrenal incidentaloma.
CONCLUSION: This study highlights significant gaps in the screening and diagnosis of PA and PHEO across Italian centers and underscores the need for widespread and standardized diagnostic protocols.
METHODS: Between July and December 2023, a 10-items questionnaire was administered to experts from 82 centers of 14 Italian regions and to cardiologists from the ARCA (Associazioni Regionali Cardiologi Ambulatoriali) Piemonte. Results were stratified for geographical area, specialty, and center category (excellence vs. non-excellence centers).
RESULTS: Each center diagnosed an average of 2 cases of PA and 0.2 cases of PHEO annually, with higher figures in excellence centers. PA screening is performed mainly in patients with resistant hypertension (73.2%) or hypertension and spontaneous hypokalemia (84.1%), while only 17.1% and 35.4% of centers screen patients with grade 2-3 hypertension. Screening rate is lower for cardiologists compared to other specialists. The main barriers to wider testing were challenges in interpreting the aldosterone/renin ratio under interfering medications and switching to non-interfering drugs. Clinical scores to predict the likelihood of PA and the definition of Standard Operating Procedures were identified as potential tools to boost screening rates. Testing for PHEO was mostly conducted in patients with typical symptoms (75.6%) and/or hypertensive crisis (74.4%). Only 37.8% of centers screened all patients with adrenal incidentaloma.
CONCLUSION: This study highlights significant gaps in the screening and diagnosis of PA and PHEO across Italian centers and underscores the need for widespread and standardized diagnostic protocols.