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Medical condition From Wikipedia, the free encyclopedia
Ortner's syndrome is a rare cardiovocal syndrome and refers to recurrent laryngeal nerve palsy from cardiovascular disease.[1] It was first described by Norbert Ortner (1865–1935), an Austrian physician, in 1897.
Dysphagia caused by a similar mechanism is referred to as dysphagia aortica (also called Dysphagia megalatriensis), or, in the case of subclavian artery aberrancy, as dysphagia lusoria. Due to compression of the recurrent laryngeal nerve, it can cause the hoarseness of the voice, which can also be a sign of mitral stenosis. A second Ortner's syndrome, Ortner's syndrome II, refers to abdominal angina.
Due to its low frequency of occurrence, more common causes of hoarseness should be considered when suspecting left recurrent laryngeal nerve palsy (LRLN).
When considering cardiovocal syndrome, the most common historical cause is a dilated left atrium due to mitral stenosis, but other causes, including pulmonary hypertension,[2] thoracic aortic aneurysms, an enlarged pulmonary artery[3] and aberrant subclavian artery syndrome have been reported compressing the nerve.[4]
Some examples of reported cardiovascular causes include:
It is important to consider a potential cardiovascular cause of hoarseness particularly in patients with progressive disease. Once suspected, performing a laryngoscopy is the first step in identifying damage to the left recurrent laryngeal nerve.[18] Examination includes:
This correlation between hoarseness of voice and cardiac anatomic pathology was first described by Dr. Norbert Ortner in 1897 after he observed left recurrent laryngeal nerve palsy (LRLN) in three patients with left atrial enlargement secondary to mitral valve stenosis.[20] The definition of Ortner's syndrome has since then expanded to encompass all possible causes of left recurrent laryngeal nerve palsy with cardiac etiologies.[citation needed]
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