Carcinoid heart disease (CHD) is an insidious complication of carcinoid syndrome (CS)
where myoproliferative plaques accumulate on the tricuspid and pulmonic valves as
well as on the right ventricular endocardium and pulmonary artery intima.
1
The pathophysiology has historically been obscure, but neuroendocrine tumor experts
have recently concluded, supported by both human clinical data and animal studies,
that the plaques are likely induced by elevated levels of 5-hydroxytrytophan (serotonin)
or other substances secreted by the tumor such as prostaglandins, bradykinin, and
substance P.
1
,2
In more severe cases CHD may progress to right heart failure within several months.
3
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References
- Carcinoid heart disease: from pathophysiology to treatment- ‘something in the way it moves.Neuroendocrinology. 2015; 101: 263-273
- Diagnosing and managing carcinoid heart disease in patients with neuroendocrine tumors.J Am Coll Cardiol. 2017; 69: 1288-1304
- Serial surveillance of carcinoid heart disease: factors associated with echocardiographic progression and mortality.Br J Cancer. 2014; 111: 1703-1709
- The incidence, operations, and outcomes of carcinoid heart disease.Am J Surg. 2022; 224: 665-669
- Antiproliferative systemic therapies for metastatic small bowel neuroendocrine tumours.Curr Treat Options Oncol. 2021; 22 (published online): 73
- Antiproliferative effect of above-label doses of somatostatin analogs for the management of gastroenteropancreatic neuroendocrine tumors.Neuroendocrinology. 2021; 111: 650-659
Article info
Publication history
Published online: February 12, 2022
Accepted:
February 5,
2022
Received:
February 4,
2022
Identification
Copyright
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