International journal of cardiology · 2011
Takotsubo-like cardiomyopathy in pheochromocytoma.
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Agarwal Vikram, Kant Gunjan, Hans Nidhi, Messerli Franz H
Аннотация
BACKGROUND: Takotsubo Cardiomyopathy (TTC) is commonly triggered by acute illness, physical or emotional stress and has been associated with elevated catecholamine levels. TTC has also been associated with pheochromocytoma (TTC-pheo).
METHODS: We performed a computer assisted search of the electronic databases Medline, Scopus and Google Scholar from 1965 to January 2011. All case reports with reported TTC-pheo were selected and compared to a recent review by Gianni et al. which examined primary TTC (TTC-primary).
STATISTICS: Data analysis was performed using SPSS version 18. Chi-square test of Fisher's exact test was used as appropriate to compare categorical data.
RESULTS: 38 cases of TTC-pheo were retrieved from literature and compared to 254 cases of TTC-p. Chest pain was the most common presentation in both groups. The TTC-pheo patients were on average 18 years younger than patients with TTC-p (p<0.01). Only a minority of TTC-pheo patients presented with classical features of pheochromocytoma including hypertension (52.6%), headache (28.9%), palpitations (31.6 %), and diaphoresis (26.3%). In TTC-pheo complications rates were higher compared to TTC-p, including cardiogenic shock (34.2% vs. 4.2%, p<0.01) and heart failure (46.7% vs. 17.7%, p<0.01). Antecedent stressors were less common in TTC-pheo. About one-third of TTC-pheo patients presented with the inverted pattern, which compared to the apical pattern, was associated with higher complication rates, including, cardiogenic shock, heart failure, acute renal failure and arrhythmias.
CONCLUSIONS: Although rare, pheochromocytoma should be considered in the differential diagnosis of TTC especially in younger patients presenting without antecedent stressors and a high complication rate. The similarities in the clinical features and outcomes in patients with TTC-p and TTC-pheo point to a similar underlying cardiac pathophysiologic process at the time of the acute presentation.
METHODS: We performed a computer assisted search of the electronic databases Medline, Scopus and Google Scholar from 1965 to January 2011. All case reports with reported TTC-pheo were selected and compared to a recent review by Gianni et al. which examined primary TTC (TTC-primary).
STATISTICS: Data analysis was performed using SPSS version 18. Chi-square test of Fisher's exact test was used as appropriate to compare categorical data.
RESULTS: 38 cases of TTC-pheo were retrieved from literature and compared to 254 cases of TTC-p. Chest pain was the most common presentation in both groups. The TTC-pheo patients were on average 18 years younger than patients with TTC-p (p<0.01). Only a minority of TTC-pheo patients presented with classical features of pheochromocytoma including hypertension (52.6%), headache (28.9%), palpitations (31.6 %), and diaphoresis (26.3%). In TTC-pheo complications rates were higher compared to TTC-p, including cardiogenic shock (34.2% vs. 4.2%, p<0.01) and heart failure (46.7% vs. 17.7%, p<0.01). Antecedent stressors were less common in TTC-pheo. About one-third of TTC-pheo patients presented with the inverted pattern, which compared to the apical pattern, was associated with higher complication rates, including, cardiogenic shock, heart failure, acute renal failure and arrhythmias.
CONCLUSIONS: Although rare, pheochromocytoma should be considered in the differential diagnosis of TTC especially in younger patients presenting without antecedent stressors and a high complication rate. The similarities in the clinical features and outcomes in patients with TTC-p and TTC-pheo point to a similar underlying cardiac pathophysiologic process at the time of the acute presentation.