Orthostatic hypotension due to arterial baroreflex failure: Difference between revisions

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''H.J.L.M. Timmers*, W. Wieling §, J.M. Karemaker +, J.W.M. Lenders *.
''H.J.L.M. Timmers*, W. Wieling §, J.M. Karemaker +, J.W.M. Lenders *.
* Department of Medicine, Radboud University Nijmegen Medical Centre, Nijmegen and  § Department of Medicine and +Physiology Academic Medical Centre University of Amsterdam, Amsterdam (The Netherlands)''
Department of Medicine, Radboud University Nijmegen Medical Centre, Nijmegen and  Department of Medicine § and Physiology + Academic Medical Centre University of Amsterdam, Amsterdam (The Netherlands)''


==Case Report==
==Case Report==
[[File:OH_ABF_Fig1.jpg | thumb | 500px | right | Figure 1. BP and heart rate responses to standing up 1 month (left_ and 1 year (right) after the second (contralateral) carotid body tumor resection. (Revised after 6 with permission)
[[File:OH_ABF_Fig1.jpg | thumb | 500px | right | Figure 1. BP and heart rate responses to standing up 1 month (left_ and 1 year (right) after the second (contralateral) carotid body tumor resection. (Revised after 6 with permission)]]


A 63-year-old female, had undergone radical excision of a right sided carotid body tumor at the age of 23. Forty years later, a contralateral carotid body tumor was resected. Surgery was radical and no malignancy was found. The second operation was followed by severe, disabling postural lightheadedness and near-syncope. In addition she suffered from attacks of seve¬re heada¬che, evoked by mental stress and physical exercise like cycling. She had also developed dysphagia and voice changes. Impairment of rima glottis closure at laryngoscopy indicated damage to the superior laryn¬geal nerve.
A 63-year-old female, had undergone radical excision of a right sided carotid body tumor at the age of 23. Forty years later, a contralateral carotid body tumor was resected. Surgery was radical and no malignancy was found. The second operation was followed by severe, disabling postural lightheadedness and near-syncope. In addition she suffered from attacks of seve¬re heada¬che, evoked by mental stress and physical exercise like cycling. She had also developed dysphagia and voice changes. Impairment of rima glottis closure at laryngoscopy indicated damage to the superior laryn¬geal nerve.
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#10 pmid=12640254
#10 pmid=12640254
#11 pmid=12810758
#11 pmid=12810758
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