Trial Outcomes & Findings for RF Power, LSI and Oesophageal Temperature Alerts During AF Ablation (PiLOT-AF Study) (NCT NCT02619396)

NCT ID: NCT02619396

Last Updated: 2020-07-08

Results Overview

Number of patients with luminal oesophageal temperature rises \> 39◦C during radiofrequency (RF) ablation on the left atrial (LA) posterior wall

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

80 participants

Primary outcome timeframe

1 day

Results posted on

2020-07-08

Participant Flow

Participant milestones

Participant milestones
Measure
Group "20 W / LSI 4"
Patients elected to AF ablation and randomized to Combination 1 of RF power and LSI on LA posterior wall Combination 1 of RF power and LSI on LA posterior wall: 20 W RF power and target LSI = 4 on LA posterior wall
Group "40 W / LSI 4"
Patients elected to AF ablation and randomized to Combination 2 of RF power and LSI on LA posterior wall Combination 2 of RF power and LSI on LA posterior wall: 40 W RF power and target LSI = 4 on LA posterior wall
Group "20 W / LSI 5"
Patients elected to AF ablation and randomized to Combination 3 of RF power and LSI on LA posterior wall Combination 3 of RF power and LSI on LA posterior wall: 20 W RF power and target LSI = 5 on LA posterior wall
Group "40 W / LSI 5"
Patients elected to AF ablation and randomized to Combination 4 of RF power and LSI on LA posterior wall Combination 4 of RF power and LSI on LA posterior wall: 40 W RF power and target LSI = 5 on LA posterior wall
Overall Study
STARTED
20
20
20
20
Overall Study
COMPLETED
20
20
20
20
Overall Study
NOT COMPLETED
0
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Race and Ethnicity were not collected from any participant.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Group "20 W / LSI 4"
n=20 Participants
Patients elected to AF ablation and randomized to Combination 1 of RF power and Lesion Size Index (LSI) on LA posterior wall: 20 W RF power and target LSI = 4 on LA posterior wall
Group "40 W / LSI 4"
n=20 Participants
Patients elected to AF ablation and randomized to Combination 2 of RF power and Lesion Size Index (LSI) on LA posterior wall: 40 W RF power and target LSI = 4 on LA posterior wall
Group "20 W / LSI 5"
n=20 Participants
Patients elected to AF ablation and randomized to Combination 3 of RF power and Lesion Size Index (LSI) on LA posterior wall: 20 W RF power and target LSI = 5 on LA posterior wall
Group "40 W / LSI 5"
n=20 Participants
Patients elected to AF ablation and randomized to Combination 4 of RF power and Lesion Size Index (LSI) on LA posterior wall: 40 W RF power and target LSI = 5 on LA posterior wall
Total
n=80 Participants
Total of all reporting groups
Age, Continuous
58.9 years
STANDARD_DEVIATION 9.2 • n=20 Participants
60.1 years
STANDARD_DEVIATION 9.4 • n=20 Participants
55.7 years
STANDARD_DEVIATION 10 • n=20 Participants
61.3 years
STANDARD_DEVIATION 9.6 • n=20 Participants
59.0 years
STANDARD_DEVIATION 9.6 • n=80 Participants
Sex: Female, Male
Female
1 Participants
n=20 Participants
8 Participants
n=20 Participants
6 Participants
n=20 Participants
6 Participants
n=20 Participants
21 Participants
n=80 Participants
Sex: Female, Male
Male
19 Participants
n=20 Participants
12 Participants
n=20 Participants
14 Participants
n=20 Participants
14 Participants
n=20 Participants
59 Participants
n=80 Participants
Race and Ethnicity Not Collected
0 Participants
Race and Ethnicity were not collected from any participant.
Region of Enrollment
United Kingdom
20 Participants
n=20 Participants
20 Participants
n=20 Participants
20 Participants
n=20 Participants
20 Participants
n=20 Participants
80 Participants
n=80 Participants
Paroxysmal atrial fibrillation (AF)
9 Participants
n=20 Participants
8 Participants
n=20 Participants
6 Participants
n=20 Participants
8 Participants
n=20 Participants
31 Participants
n=80 Participants
Atrial fibrillation (AF) history duration (months)
24 months
n=20 Participants
27 months
n=20 Participants
20 months
n=20 Participants
24 months
n=20 Participants
24 months
n=80 Participants
Body Mass Index (BMI)
30.8 BMI unit = kg/m^2
STANDARD_DEVIATION 4.6 • n=20 Participants
27.3 BMI unit = kg/m^2
STANDARD_DEVIATION 5 • n=20 Participants
28.2 BMI unit = kg/m^2
STANDARD_DEVIATION 4.85 • n=20 Participants
28.8 BMI unit = kg/m^2
STANDARD_DEVIATION 4.9 • n=20 Participants
29.2 BMI unit = kg/m^2
STANDARD_DEVIATION 6.3 • n=80 Participants
Left atrial (LA) size
43 diameter (mm)
STANDARD_DEVIATION 6 • n=20 Participants
41.4 diameter (mm)
STANDARD_DEVIATION 6.5 • n=20 Participants
42.4 diameter (mm)
STANDARD_DEVIATION 7.7 • n=20 Participants
43.7 diameter (mm)
STANDARD_DEVIATION 9.3 • n=20 Participants
42.8 diameter (mm)
STANDARD_DEVIATION 7.4 • n=80 Participants
Left ventricular (LV) function
60 LVEF (%)
STANDARD_DEVIATION 11.5 • n=20 Participants
60 LVEF (%)
STANDARD_DEVIATION 9.2 • n=20 Participants
60 LVEF (%)
STANDARD_DEVIATION 10.2 • n=20 Participants
57.9 LVEF (%)
STANDARD_DEVIATION 6.4 • n=20 Participants
59.4 LVEF (%)
STANDARD_DEVIATION 9.2 • n=80 Participants

PRIMARY outcome

Timeframe: 1 day

Number of patients with luminal oesophageal temperature rises \> 39◦C during radiofrequency (RF) ablation on the left atrial (LA) posterior wall

Outcome measures

Outcome measures
Measure
Group "20 W / LSI 4"
n=20 Participants
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 1 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 1 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 20 W RF power and target LSI = 4 on LA posterior wall
Group "40 W / LSI 4"
n=20 Participants
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 2 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 2 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 40 W RF power and target LSI = 4 on LA posterior wall
Group "20 W / LSI 5"
n=20 Participants
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 3 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 3 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 20 W RF power and target LSI = 5 on LA posterior wall
Group "40 W / LSI 5"
n=20 Participants
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 4 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 4 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 40 W RF power and target LSI = 5 on LA posterior wall
Rate of Oesophageal Temperature Alerts During Radiofrequency Energy (RF) Ablation on the Left Atrial (LA) Posterior Wall
18 Participants
18 Participants
19 Participants
19 Participants

PRIMARY outcome

Timeframe: 1 day

Number of oesophageal temperature alerts per patient

Outcome measures

Outcome measures
Measure
Group "20 W / LSI 4"
n=20 Participants
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 1 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 1 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 20 W RF power and target LSI = 4 on LA posterior wall
Group "40 W / LSI 4"
n=20 Participants
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 2 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 2 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 40 W RF power and target LSI = 4 on LA posterior wall
Group "20 W / LSI 5"
n=20 Participants
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 3 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 3 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 20 W RF power and target LSI = 5 on LA posterior wall
Group "40 W / LSI 5"
n=20 Participants
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 4 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 4 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 40 W RF power and target LSI = 5 on LA posterior wall
Oesophageal Temperature Alerts Per Patient
4 oesophageal temperature alerts
Interval 2.0 to 8.0
4 oesophageal temperature alerts
Interval 2.0 to 6.0
7 oesophageal temperature alerts
Interval 5.0 to 10.0
4 oesophageal temperature alerts
Interval 2.0 to 6.0

SECONDARY outcome

Timeframe: 1 day

Population: 80 pulmonary veins in each group (4 veins per patient, 20 patients)

Rate of Pulmonary Veins (PVs) isolated after completion of first Pulmonary Vein Encirclement

Outcome measures

Outcome measures
Measure
Group "20 W / LSI 4"
n=80 number of pulmonary veins in each group
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 1 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 1 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 20 W RF power and target LSI = 4 on LA posterior wall
Group "40 W / LSI 4"
n=80 number of pulmonary veins in each group
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 2 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 2 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 40 W RF power and target LSI = 4 on LA posterior wall
Group "20 W / LSI 5"
n=80 number of pulmonary veins in each group
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 3 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 3 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 20 W RF power and target LSI = 5 on LA posterior wall
Group "40 W / LSI 5"
n=80 number of pulmonary veins in each group
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 4 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 4 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 40 W RF power and target LSI = 5 on LA posterior wall
Rate of First-pass Pulmonary Vein Isolation (PVI)
59 pulmonary veins
59 pulmonary veins
38 pulmonary veins
59 pulmonary veins

SECONDARY outcome

Timeframe: 1 day

Population: 80 pulmonary veins in each group (4 veins per patient, 20 patients)

Number of pulmonary veins acutely reconnected after catheter ablation and isolation

Outcome measures

Outcome measures
Measure
Group "20 W / LSI 4"
n=80 number of pulmonary veins in each group
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 1 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 1 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 20 W RF power and target LSI = 4 on LA posterior wall
Group "40 W / LSI 4"
n=80 number of pulmonary veins in each group
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 2 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 2 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 40 W RF power and target LSI = 4 on LA posterior wall
Group "20 W / LSI 5"
n=80 number of pulmonary veins in each group
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 3 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 3 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 20 W RF power and target LSI = 5 on LA posterior wall
Group "40 W / LSI 5"
n=80 number of pulmonary veins in each group
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 4 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 4 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 40 W RF power and target LSI = 5 on LA posterior wall
Rate of Acute Pulmonary Vein Reconnection (PVR)
5 pulmonary veins
10 pulmonary veins
17 pulmonary veins
5 pulmonary veins

SECONDARY outcome

Timeframe: 1 day

Total duration of the procedure

Outcome measures

Outcome measures
Measure
Group "20 W / LSI 4"
n=20 Participants
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 1 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 1 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 20 W RF power and target LSI = 4 on LA posterior wall
Group "40 W / LSI 4"
n=20 Participants
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 2 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 2 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 40 W RF power and target LSI = 4 on LA posterior wall
Group "20 W / LSI 5"
n=20 Participants
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 3 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 3 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 20 W RF power and target LSI = 5 on LA posterior wall
Group "40 W / LSI 5"
n=20 Participants
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 4 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 4 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 40 W RF power and target LSI = 5 on LA posterior wall
Total Procedure Time
180 minutes
Interval 131.3 to 218.0
165 minutes
Interval 145.0 to 180.0
180 minutes
Interval 156.3 to 210.0
165 minutes
Interval 146.3 to 191.3

SECONDARY outcome

Timeframe: 1 day

Population: Patients/ablation procedures per group

Total duration of radiofrequency energy required to achieve electrical isolation of the pulmonary veins

Outcome measures

Outcome measures
Measure
Group "20 W / LSI 4"
n=20 Participants
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 1 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 1 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 20 W RF power and target LSI = 4 on LA posterior wall
Group "40 W / LSI 4"
n=20 Participants
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 2 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 2 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 40 W RF power and target LSI = 4 on LA posterior wall
Group "20 W / LSI 5"
n=20 Participants
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 3 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 3 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 20 W RF power and target LSI = 5 on LA posterior wall
Group "40 W / LSI 5"
n=20 Participants
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 4 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 4 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 40 W RF power and target LSI = 5 on LA posterior wall
Total Radiofrequency Energy (RF) Time for Pulmonary Vein Isolation (PVI)
28.4 minutes
Interval 25.2 to 40.1
23.8 minutes
Interval 16.9 to 34.7
38 minutes
Interval 28.4 to 46.3
22 minutes
Interval 18.7 to 33.8

SECONDARY outcome

Timeframe: 6 months after the procedure

Population: Patients per group

Absence of symptoms suggestive of atrial fibrillation and no documentation of atrial fibrillation during the follow-up period

Outcome measures

Outcome measures
Measure
Group "20 W / LSI 4"
n=20 Participants
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 1 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 1 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 20 W RF power and target LSI = 4 on LA posterior wall
Group "40 W / LSI 4"
n=20 Participants
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 2 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 2 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 40 W RF power and target LSI = 4 on LA posterior wall
Group "20 W / LSI 5"
n=20 Participants
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 3 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 3 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 20 W RF power and target LSI = 5 on LA posterior wall
Group "40 W / LSI 5"
n=20 Participants
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 4 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 4 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 40 W RF power and target LSI = 5 on LA posterior wall
Freedom From Atrial Fibrillation
8 Participants
3 Participants
7 Participants
2 Participants

SECONDARY outcome

Timeframe: 6 months after the procedure

Population: Patients per group

Difficult or painful swallowing, heartburn, acid reflux, sore throat, hoarseness, cough, nausea, vomiting, non-cardiac chest pain

Outcome measures

Outcome measures
Measure
Group "20 W / LSI 4"
n=20 Participants
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 1 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 1 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 20 W RF power and target LSI = 4 on LA posterior wall
Group "40 W / LSI 4"
n=20 Participants
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 2 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 2 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 40 W RF power and target LSI = 4 on LA posterior wall
Group "20 W / LSI 5"
n=20 Participants
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 3 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 3 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 20 W RF power and target LSI = 5 on LA posterior wall
Group "40 W / LSI 5"
n=20 Participants
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 4 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 4 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 40 W RF power and target LSI = 5 on LA posterior wall
Esophageal Symptoms After the Atrial Fibrillation (AF) Ablation
0 Participants
0 Participants
0 Participants
0 Participants

OTHER_PRE_SPECIFIED outcome

Timeframe: 1 day

Pericardial effusion, transient ischemic attack/stroke, phrenic nerve injury, pulmonary vein stenosis, open-heart surgery, death

Outcome measures

Outcome measures
Measure
Group "20 W / LSI 4"
n=20 Participants
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 1 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 1 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 20 W RF power and target LSI = 4 on LA posterior wall
Group "40 W / LSI 4"
n=20 Participants
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 2 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 2 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 40 W RF power and target LSI = 4 on LA posterior wall
Group "20 W / LSI 5"
n=20 Participants
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 3 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 3 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 20 W RF power and target LSI = 5 on LA posterior wall
Group "40 W / LSI 5"
n=20 Participants
Patients elected to atrial fibrillation (AF) ablation and randomized to Combination 4 of radiofrequency energy (RF) power and Lesion Size Index (LSI) on left atrial (LA) posterior wall Combination 4 of radiofrequency energy (RF) power and lesion Size Index (LSI) on LA posterior wall: 40 W RF power and target LSI = 5 on LA posterior wall
Procedural Complications
0 Participants
1 Participants
0 Participants
1 Participants

Adverse Events

Group "20 W / LSI 4"

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Group "40 W / LSI 4"

Serious events: 1 serious events
Other events: 0 other events
Deaths: 0 deaths

Group "20 W / LSI 5"

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Group "40 W / LSI 5"

Serious events: 1 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Group "20 W / LSI 4"
n=20 participants at risk
Patients elected to AF ablation and randomized to Combination 1 of RF power and LSI on LA posterior wall Combination 1 of RF power and LSI on LA posterior wall: 20 W RF power and target LSI = 4 on LA posterior wall
Group "40 W / LSI 4"
n=20 participants at risk
Patients elected to AF ablation and randomized to Combination 2 of RF power and LSI on LA posterior wall Combination 2 of RF power and LSI on LA posterior wall: 40 W RF power and target LSI = 4 on LA posterior wall
Group "20 W / LSI 5"
n=20 participants at risk
Patients elected to AF ablation and randomized to Combination 3 of RF power and LSI on LA posterior wall Combination 3 of RF power and LSI on LA posterior wall: 20 W RF power and target LSI = 5 on LA posterior wall
Group "40 W / LSI 5"
n=20 participants at risk
Patients elected to AF ablation and randomized to Combination 4 of RF power and LSI on LA posterior wall Combination 4 of RF power and LSI on LA posterior wall: 40 W RF power and target LSI = 5 on LA posterior wall
Nervous system disorders
Stroke
0.00%
0/20 • 6 months
Regular investigator assessment before discharge after catheter ablation and at subsequent telephone follow-ups
5.0%
1/20 • Number of events 1 • 6 months
Regular investigator assessment before discharge after catheter ablation and at subsequent telephone follow-ups
0.00%
0/20 • 6 months
Regular investigator assessment before discharge after catheter ablation and at subsequent telephone follow-ups
0.00%
0/20 • 6 months
Regular investigator assessment before discharge after catheter ablation and at subsequent telephone follow-ups
Cardiac disorders
Pericardial effusion
0.00%
0/20 • 6 months
Regular investigator assessment before discharge after catheter ablation and at subsequent telephone follow-ups
0.00%
0/20 • 6 months
Regular investigator assessment before discharge after catheter ablation and at subsequent telephone follow-ups
0.00%
0/20 • 6 months
Regular investigator assessment before discharge after catheter ablation and at subsequent telephone follow-ups
5.0%
1/20 • Number of events 1 • 6 months
Regular investigator assessment before discharge after catheter ablation and at subsequent telephone follow-ups

Other adverse events

Adverse event data not reported

Additional Information

Dr Milena Leo

John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust

Phone: 0186522055

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place