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Liu S, Yu X, Luo D, Qin Z, Wang X, He W, Ma R, Hu H, Xie J, He B, Lu Z, Jiang H. Ablation of the Ligament of Marshall and Left Stellate Ganglion Similarly Reduces Ventricular Arrhythmias During Acute Myocardial Infarction. Circ Arrhythm Electrophysiol 2018; 11:e005945. [PMID: 29700056 DOI: 10.1161/circep.117.005945] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Accepted: 03/12/2018] [Indexed: 01/09/2023]
Abstract
Background:
Sympathetic denervation exerts protective effects against ventricular arrhythmias (VAs) induced by acute myocardial infarction. The results of a previous study indicated that the distal part of the ligament of Marshall (LOM
LSPV
) might be a sympathetic conduit between the left stellate ganglion (LSG) and the ventricles. The present study was designed to compare the effects between LSG and LOM
LSPV
ablation on ischemia-induced VAs.
Methods:
Twenty-nine dogs were randomly divided into sham ablation group (group 1, n=9), LOM
LSPV
ablation group (group 2, n=10), and LSG ablation group (group 3, n=10). Ablation was performed before occlusion of the left anterior coronary artery. Changes in the heart rate variability, serum norepinephrine, ventricular effective refractory period, and blood pressure induced by LSG stimulation were observed, and the occurrence of VAs was recorded. Immunostaining examinations of LOM
LSPV
were performed in dogs without ablation.
RESULTS:
In group 2, LOM
LSPV
ablation evidently attenuated blood pressure elevation induced by LSG stimulation. Both LOM
LSPV
ablation and LSG ablation similarly prolonged ventricular effective refractory period and reduced the concentration of serum norepinephrine, the sympathetic index of heart rate variability, and the incidence of VAs compared with sham ablation. Abundant sympathetic nerve fibers were observed in LOM
LSPV
.
Conclusions:
LOM
LSPV
ablation prevented acute myocardial infarction–induced VAs with the same efficiency as LSG ablation, potentially by blocking the sympathetic pathway from the LSG to the heart.
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Affiliation(s)
- Shan Liu
- Department of Cardiology, Renmin Hospital of Wuhan University, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
- Cardiovascular Research Institute, Wuhan University, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
- Hubei Key Laboratory of Cardiology, Wuhan, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
| | - Xiaomei Yu
- Department of Cardiology, Renmin Hospital of Wuhan University, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
- Cardiovascular Research Institute, Wuhan University, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
- Hubei Key Laboratory of Cardiology, Wuhan, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
| | - Da Luo
- Department of Cardiology, Renmin Hospital of Wuhan University, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
- Cardiovascular Research Institute, Wuhan University, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
- Hubei Key Laboratory of Cardiology, Wuhan, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
| | - Zhiliang Qin
- Department of Cardiology, Renmin Hospital of Wuhan University, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
- Cardiovascular Research Institute, Wuhan University, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
- Hubei Key Laboratory of Cardiology, Wuhan, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
| | - Xiaoying Wang
- Department of Cardiology, Renmin Hospital of Wuhan University, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
- Cardiovascular Research Institute, Wuhan University, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
- Hubei Key Laboratory of Cardiology, Wuhan, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
| | - Wenbo He
- Department of Cardiology, Renmin Hospital of Wuhan University, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
- Cardiovascular Research Institute, Wuhan University, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
- Hubei Key Laboratory of Cardiology, Wuhan, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
| | - Ruisong Ma
- Department of Cardiology, Renmin Hospital of Wuhan University, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
- Cardiovascular Research Institute, Wuhan University, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
- Hubei Key Laboratory of Cardiology, Wuhan, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
| | - Huihui Hu
- Department of Cardiology, Renmin Hospital of Wuhan University, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
- Cardiovascular Research Institute, Wuhan University, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
- Hubei Key Laboratory of Cardiology, Wuhan, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
| | - Jing Xie
- Department of Cardiology, Renmin Hospital of Wuhan University, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
- Cardiovascular Research Institute, Wuhan University, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
- Hubei Key Laboratory of Cardiology, Wuhan, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
| | - Bo He
- Department of Cardiology, Renmin Hospital of Wuhan University, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
- Cardiovascular Research Institute, Wuhan University, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
- Hubei Key Laboratory of Cardiology, Wuhan, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
| | - Zhibing Lu
- Department of Cardiology, Renmin Hospital of Wuhan University, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
- Cardiovascular Research Institute, Wuhan University, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
- Hubei Key Laboratory of Cardiology, Wuhan, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
- Department of Cardiology, Huangshi Central Hospital, Hubei Polytechnic University, China (Z.L.)
| | - Hong Jiang
- Department of Cardiology, Renmin Hospital of Wuhan University, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
- Cardiovascular Research Institute, Wuhan University, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
- Hubei Key Laboratory of Cardiology, Wuhan, China (S.L., X.Y., D.L., Z.Q., X.W., W.H., R.M., H.H., J.X., B.H., Z.L., H.J.)
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