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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT04897204
Other study ID # XH-21-004
Secondary ID
Status Not yet recruiting
Phase N/A
First received
Last updated
Start date June 1, 2021
Est. completion date December 31, 2022

Study information

Verified date April 2021
Source Xinhua Hospital, Shanghai Jiao Tong University School of Medicine
Contact Qun Shan Wang, Doctor
Phone 008613621878542
Email wangqunshan@xinhuamed.com.cn
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This project intends to enroll patients with persistent atrial fibrillation who are planning to undergo catheter ablation of atrial fibrillation. The two groups of patients were routinely performed atrial fibrillation pulmonary vein isolation and linear ablation with left atrial appendage occlusion. The experimental group received additional left atrial appendage electrical isolation before the left atrial appendage occlusion, and the control group did not perform left atrial appendage electrical isolation. We are intend to evaluate the safety and effectiveness of one-stop operation of left atrial appendage electrical isolation combined with left atrial appendage occlusion in the treatment of persistent atrial fibrillation.


Description:

This project intends to enroll patients with persistent atrial fibrillation who are planned to undergo atrial fibrillation catheter ablation and left atrial appendage closure surgery, and randomly allocate them to the experimental group and the control group at a ratio of 1:1. The two groups of patients were routinely performed atrial fibrillation pulmonary vein isolation and linear ablation with left atrial appendage occlusion. The experimental group received additional left atrial appendage electrical isolation before the left atrial appendage occlusion, and the control group did not perform left atrial appendage electrical isolation. Follow-up for 1 year, compare the differences in the recurrence rate of atrial fibrillation between the two groups of patients, and further compare the differences in clinical events such as stroke, systemic embolism, hospitalization due to heart failure, and cardiovascular death.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 120
Est. completion date December 31, 2022
Est. primary completion date December 31, 2022
Accepts healthy volunteers No
Gender All
Age group 18 Years to 85 Years
Eligibility Inclusion Criteria: 1. Age 18-85 years old; 2. Symptomatic, non-valvular persistent atrial fibrillation (atrial fibrillation duration = 1 week), and is ineffective to one or more anti-arrhythmic drugs; 3. CHA2DS2-VASc score = 2 points; 4. The patient is ready to undergo atrial fibrillation catheter ablation and left atrial appendage closure surgery; 5. Provide an informed consent form that is willing to participate in the research, follow-up trials and evaluation procedures. Exclusion Criteria: 1. Past left atrial appendage occlusion, atrial fibrillation catheter ablation or surgical ablation history; 2. There are plans for cardiac surgery within 90 days; 3. Stroke/transient ischemic attack occurred within 30 days; 4. Have had atrial septal defect repair or have an ASD/PFO occluder in the body; 5. Heart failure NYHA heart function grade IV; 6. LVEF<30%; 7. Combined with other serious diseases, the life expectancy is less than 2 years; 8. Within 6 months after cardiac revascularization or other cardiac surgery; 9. Women who are pregnant, breastfeeding, planning to become pregnant, or women of childbearing age who have not adopted reliable contraceptive methods; 10. Obviously abnormal liver and kidney function and coagulation function;

Study Design


Intervention

Procedure:
Catheter ablation and left atrial appendage occlusion
The patients underwent routine pulmonary vein isolation and linear ablation and left atrial appendage occlusion.
Additional left atrial appendage electrical isolation combined with catheter ablation and left atrial appendage occlusion
These patients underwent routine pulmonary vein isolation and linear ablation and left atrial appendage occlusion, combined with additional left atrial appendage occlusion.

Locations

Country Name City State
n/a

Sponsors (2)

Lead Sponsor Collaborator
Xinhua Hospital, Shanghai Jiao Tong University School of Medicine ZHONGNANSHAN MEDICAL FOUNDATION OF GUANGDONG PROVINCE

References & Publications (12)

Belgaid DR, Khan Z, Zaidi M, Hobbs A. Prospective randomized evaluation of the watchman left atrial appendage closure device in patients with atrial fibrillation versus long-term warfarin therapy: The PREVAIL trial. Int J Cardiol. 2016 Sep 15;219:177-9. d — View Citation

Di Biase L, Burkhardt JD, Mohanty P, Mohanty S, Sanchez JE, Trivedi C, Günes M, Gökoglan Y, Gianni C, Horton RP, Themistoclakis S, Gallinghouse GJ, Bailey S, Zagrodzky JD, Hongo RH, Beheiry S, Santangeli P, Casella M, Dello Russo A, Al-Ahmad A, Hranitzky — View Citation

Fink T, Ouyang F, Heeger CH, Sciacca V, Reissmann B, Keelani A, Schütte C, Wohlmuth P, Maurer T, Rottner L, Eitel C, Eitel I, Rillig A, Metzner A, Kuck KH, Tilz RR, Vogler J. Management of thrombus formation after electrical isolation of the left atrial a — View Citation

Hylek EM, Go AS, Chang Y, Jensvold NG, Henault LE, Selby JV, Singer DE. Effect of intensity of oral anticoagulation on stroke severity and mortality in atrial fibrillation. N Engl J Med. 2003 Sep 11;349(11):1019-26. — View Citation

Kim YG, Shim J, Oh SK, Lee KN, Choi JI, Kim YH. Electrical isolation of the left atrial appendage increases the risk of ischemic stroke and transient ischemic attack regardless of postisolation flow velocity. Heart Rhythm. 2018 Dec;15(12):1746-1753. doi: — View Citation

Mo BF, Sun J, Zhang PP, Li W, Chen M, Yuan JL, Yu Y, Wang QS, Li YG. Combined Therapy of Catheter Ablation and Left Atrial Appendage Closure for Patients with Atrial Fibrillation: A Case-Control Study. J Interv Cardiol. 2020 Jun 25;2020:8615410. doi: 10.1 — View Citation

Nyong J, Amit G, Adler AJ, Owolabi OO, Perel P, Prieto-Merino D, Lambiase P, Casas JP, Morillo CA. Efficacy and safety of ablation for people with non-paroxysmal atrial fibrillation. Cochrane Database Syst Rev. 2016 Nov 22;11:CD012088. Review. — View Citation

Panikker S, Jarman JW, Virmani R, Kutys R, Haldar S, Lim E, Butcher C, Khan H, Mantziari L, Nicol E, Foran JP, Markides V, Wong T. Left Atrial Appendage Electrical Isolation and Concomitant Device Occlusion to Treat Persistent Atrial Fibrillation: A First — View Citation

Reddy VY, Sievert H, Halperin J, Doshi SK, Buchbinder M, Neuzil P, Huber K, Whisenant B, Kar S, Swarup V, Gordon N, Holmes D; PROTECT AF Steering Committee and Investigators. Percutaneous left atrial appendage closure vs warfarin for atrial fibrillation: — View Citation

Romero J, Michaud GF, Avendano R, Briceño DF, Kumar S, Carlos Diaz J, Mohanty S, Trivedi C, Gianni C, Della Rocca D, Proietti R, Perrotta L, Bordignon S, Chun JKR, Schmidt B, Garcia M, Natale A, Di Biase L. Benefit of left atrial appendage electrical isol — View Citation

Verma A, Jiang CY, Betts TR, Chen J, Deisenhofer I, Mantovan R, Macle L, Morillo CA, Haverkamp W, Weerasooriya R, Albenque JP, Nardi S, Menardi E, Novak P, Sanders P; STAR AF II Investigators. Approaches to catheter ablation for persistent atrial fibrilla — View Citation

Yorgun H, Canpolat U, Kocyigit D, Çöteli C, Evranos B, Aytemir K. Left atrial appendage isolation in addition to pulmonary vein isolation in persistent atrial fibrillation: one-year clinical outcome after cryoballoon-based ablation. Europace. 2017 May 1;1 — View Citation

* Note: There are 12 references in allClick here to view all references

Outcome

Type Measure Description Time frame Safety issue
Primary Atrial fibrillation recurrence outside the 3-month blank period after surgery, ECG and Holter recorded rapid atrial arrhythmia greater than 30S. one year after operation
Primary Stroke/TIA Patients may have cerebral ischemia, such as sudden limb movement and sensory disturbance, aphasia, transient blindness in one eye, etc., disturbance of consciousness, or symptoms of vertebral artery ischemia, such as vertigo, tinnitus, hearing impairment, diplopia, Unsteady gait and difficulty swallowing, etc., patients may have obvious infarcts in the brain, which can be confirmed clinically by CT or MRI. one year after operation
Primary Systemic embolism The clinical manifestations or evidence of embolism in the blood vessels of the system, including renal artery, splenic artery, mesenteric artery, etc. during the follow-up of the patient, and relevant examinations can be used to confirm the diagnosis. one year after operation
Primary Hospitalization rate due to heart failure During the follow-up period, patients need hospitalization for heart failure, including acute heart failure, acute exacerbation of chronic heart failure, etc., which can be combined with clinical symptoms, signs, biochemical examinations (such as NT-proBNP) and cardiac ultrasound Wait for a clear diagnosis. one year after operation
Primary Cardiovascular death The death of a patient due to cardiac structure, function, coronary artery disease, and arrhythmia can be diagnosed in combination with clinical practice. one year after operation
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