Renal sympathetic denervation in patients with vasospastic angina
Background Sympathetic overactivity has been linked to vasospastic angina (VSA), although the exact pathophysiology of VSA is poorly understood. The purpose of this study is to assess if renal sympathetic denervation (RDN) reduces cardiac sympathetic nerve activity with a subsequent beneficial effect on angina relief in patients with refractory VSA. Methods and results Cardiac sympathetic nerve activity was assessed prior to procedure and at 6 months post-procedure using iodine-123 labeled meta-iodobenzylguanidine (123I-MIBG) imaging. The Seattle Angina questionnaire (SAQ) was used to assess the degree to which the disease impacts quality of life. No significant change was observed in early HMR (pre-RDN: 2.74 [2.10 to 3.21] vs 6 months post-RDN: 2.57 [2.20 to 3.00]; P = 0.76), and late HMR (pre-RDN: 2.56 [2.18 to 3.20] vs 6 months post-RDN: 2.36 [2.13 to 3.22]; P = 0.22). Additionally, no change was seen in WR (P = 0.22). SAQ results revealed significant improvements in perceived physical limitation, angina frequency, and quality of life at 6 months (P < 0.05 for all). Conclusion RDN resulted in improvements in angina class and quality of life at 6 months in patients with refractory VSA. RDN, however, did not result in significant changes in cardiac sympathetic nerve activity as measured using 123I-MIBG. The latter observation should be considered with caution given the small sample size of this study. Larger studies are needed to assess this further..
| Medienart: |
Artikel |
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| Erscheinungsjahr: |
2019 |
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| Erschienen: |
2019 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:27 |
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| Enthalten in: |
Journal of nuclear cardiology - 27(2019), 6 vom: 13. Feb., Seite 2202-2209 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Feyz, Lida [VerfasserIn] |
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| Links: |
Volltext [lizenzpflichtig] |
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| Themen: |
MIBG |
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| Anmerkungen: |
© The Author(s) 2019 |
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| doi: |
10.1007/s12350-019-01598-y |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
OLC2122114096 |
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| 245 | 1 | 0 | |a Renal sympathetic denervation in patients with vasospastic angina |
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| 500 | |a © The Author(s) 2019 | ||
| 520 | |a Background Sympathetic overactivity has been linked to vasospastic angina (VSA), although the exact pathophysiology of VSA is poorly understood. The purpose of this study is to assess if renal sympathetic denervation (RDN) reduces cardiac sympathetic nerve activity with a subsequent beneficial effect on angina relief in patients with refractory VSA. Methods and results Cardiac sympathetic nerve activity was assessed prior to procedure and at 6 months post-procedure using iodine-123 labeled meta-iodobenzylguanidine (123I-MIBG) imaging. The Seattle Angina questionnaire (SAQ) was used to assess the degree to which the disease impacts quality of life. No significant change was observed in early HMR (pre-RDN: 2.74 [2.10 to 3.21] vs 6 months post-RDN: 2.57 [2.20 to 3.00]; P = 0.76), and late HMR (pre-RDN: 2.56 [2.18 to 3.20] vs 6 months post-RDN: 2.36 [2.13 to 3.22]; P = 0.22). Additionally, no change was seen in WR (P = 0.22). SAQ results revealed significant improvements in perceived physical limitation, angina frequency, and quality of life at 6 months (P < 0.05 for all). Conclusion RDN resulted in improvements in angina class and quality of life at 6 months in patients with refractory VSA. RDN, however, did not result in significant changes in cardiac sympathetic nerve activity as measured using 123I-MIBG. The latter observation should be considered with caution given the small sample size of this study. Larger studies are needed to assess this further. | ||
| 650 | 4 | |a Renal sympathetic denervation | |
| 650 | 4 | |a vasospastic angina | |
| 650 | 4 | |a MIBG | |
| 650 | 4 | |a meta-iodobenzylguanidine | |
| 650 | 4 | |a quality of life | |
| 700 | 1 | |a Henneman, Maureen |4 aut | |
| 700 | 1 | |a Verzijlbergen, Fred |4 aut | |
| 700 | 1 | |a Kardys, Isabella |4 aut | |
| 700 | 1 | |a Van Mieghem, Nicolas M. |4 aut | |
| 700 | 1 | |a Daemen, Joost |4 aut | |
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