Survival of dialysis patients after cardiac arrest in the United States: The impact of implantable cardioverter defibrillators

Survival of dialysis patients after cardiac arrest in the United States: The impact of implantable cardioverter defibrillators

JACC ABSTRACTS March 19,2003 - Cardiac Arrhythmias 8:45 a.m. 4:45 p.m. JoseDh J. DeRose, Swistel, Jonathan Jr, Robert C. Ashton. Sackner-Bernst...

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JACC

ABSTRACTS

March 19,2003

- Cardiac Arrhythmias

8:45 a.m.

4:45 p.m.

JoseDh J. DeRose, Swistel, Jonathan

Jr, Robert C. Ashton. Sackner-Bernstein.

Jr., Scott Belsley,

Jonathan

Hospital Center, New York, NY, Columbia Surgeons, New York, NY Background:

Approximately

Universrty

10% of patients

tion have a failure of coronary

Methods:

Seven patients

sinus (CS) cannulation.

with congestive

College

undergoing

pacing could be performed in these patients tricular (LV) epicardial approach.

Roxana

S. Steinberg,

Shaw. Daniel G.

St. Luke’s_ Roosevelt

JoshuaM. Cooter, Elizabeth

of Physicians

Laurence

M. Epstein,

Hospital,

Boston,

biventricular

and

pacemaker

We hypothesized

using a robotically

heart failure (NYHA

inser-

that biventricular

assisted,

direct left ven-

class 3.4 * 0.5) and a wid-

ened QRS (175 * 21 msec) underwent robotic LV lead placement following failed coronary sinus cannulation. Mean patient age was 69 * 11 years, LV ejection fraction (EF) was 13 * 7% and left ventricular prior cardiac surgery Results: Thirteen

end diastolic volume

and 5 patients

epicardial

of the LV in the 7 patients.

was 6.3 * 0.5 cm. Two patients had

had a prior device implanted.

leads were successfully lntraoperative

suriace

was 1.1 * 0.6 V at 0.5 ms. R-

prevention

of sudden

death.

fracture,

(5 of 7 patients),

ejection frac-

a srgnificant

drop in impedance

(310 + 54 ohms, p=O.O05) has been measured.

Conclusions: Robotic LV lead placement is an effective technique which can be used for ventricular resynchronization therapy in patients with no other minimally invasive options for biventricular

pacing.

ICD leads, over time, become

requires

disruption

of the adherent

demographics,

structural

heart disease tetralogy

or sensing

A. Herzoq,

Jennie Z. Ma, Allan J. Collins,

MN, Minneapolis

Medical

Research

Nephrology Foundation,

of dialysis

1,285,177 database

pts with

cardiac

pts in the 100% and identified

The survival

arrest.

We searched

(end-stage

15,531 dialysis

of pts discharged

compared to pts drscharged adjusted Cax model. Results

ESRD

Analytical

Services,

Minneapolis,

MN

is a newly-reported

finding.

in the 5 patients

the

records

(claims

sample

of the Medicare

alive without

for cardiac

survival strongly

shows suwival

and predictors

of dialysis pts with cardiac arrest is markedly suggest under-utilization of ICD in ESRD pts.

Survival

(%)

Predictors

of All-Cause

2Yr

ICD (n=167)

61.8

49.4

No ICD

40.4

26.2

3yr

Varrable

RR

data)

of

arrest was

and a comorbidity-

Conclusion:

with atnal switch

repair of transposition Young

data

Death

Philadelphia,

Age

1.6

6

75+

7

17.

Male

1.1

Methods:

9

(1.40,1.99)

<.OOO

0.8

dysfunction.

2 DM

1.2

0.5 3

implantable

cardioverter

defrbnllator

Results:

ICD events in 3 populations:

dilated cardiomyopathy ventricular tachycardia,

c.000

(1.10,1.32)

<.OOO

(0.43,0.66)

c.000

1

1

a.m.

(ICD)

(^p
Group

1 sustained

(DCM) and syncope, and Group 3 coronary disease and left ventncular

to group 1)

with DCM and syncope

were as likely to have VAs detected,

despite

shorter

follow-up;

(b) asymptomatic pts with coronary disease appeared less likely to have VAs detected, but this may be due to the much shorter median follow-up. (3) The time to the 1st susued ICD implantation

different

for both primary

in all 3 groups.

and secondary

These data support

prevention.

Group 1

Group

N=

53

46

51

Age, mean

63 +/- 13

60 +/- 15

70 +I- 9

LVEF, %

30 +/- 10%

25 +/- 9%*

29 +I- 9%

61%

379’Q’

92%”

838

436

393”

32%

33%

24%.

1110

59

27.

360

282

510

85%

93%

80%

28%

24%

10%

sustained

VAs, % pts days

% pts with sustacned VAs detected

by ICD

Total # VA detections

2

Group

mean

.0003

1

0 ICD

and altered

Conclusions: (1) The overall frequency of VAs is greatest in pts with clinically documented VA prior to ICD implantation. (2) Compared to pts with sustained VAs. (a) pts

Survival, (0.76.0.90)

drd

single rather than dual coil ICD leads in

1 (1.07.1.25)

6 Race(Black)

of the great arteries

CHD patrents with an ICD are at risk for

despite the issues of coil adherence

of appropriate

We examined

VAs. Group 2 nonischemic asymptomatic nonsustained

# days to 1 st detection, (n=3,380)

Twenty

PA

The frequency

Median follow-up,

(95% Cl)

(15

or failure. over time,

and fracture. The use of a laser sheath is safe and effective

in CHD patients,

The

by ICD. These

P 31.

was 17.9 + 5.7 years

was 42.0 * 18.9 months

events in patients (pts) presenting with sustained ventricular arrhythmias (VAs) is well established. However, the frequency and timing of ICD events in other populations is not

Inducible ‘Yr

had surgically-corrected

Andrea M. Russq Sanjay Dixit. Ralph J. Verdino, Hemal Nayak. Joseph Poku, Jamre Springman, Laurent Lewkowiez, Francis E. Marchlinski, University of Pennsylvanra

Background:

alive and received no

of death.

improved

patrents

of lead implantation

ICD. Of the 3547 pts, 48% were male, 56% 65+ yrs old, 61% white, 53% diabetic ESRD, and 77% prior CHF. Predictors of death included older age, race (white), diabetes (DM), CHF. and no ICD. The Table

Seven

extracted. There were three instances of blood loss no major complications or deaths. Use of a laser

tained VA event was not significantly

ICD was used rn 167 pts, and 3,380 pts were discharged

indica-

Frequency and Timing of Defibrillator Events in Patients Without Documented Arrhythmias: Who Is at Highest Risk?

Health System,

arrest in 1996.2000.

ICD withrn 30 days of cardiac

ICD, using lrfe table method

of Implantation.

A laser sheath was used for 20 of 21 lead extractions.

lead distortion

well described.

renal disease)

pts hospitalized

alive receiving

duration

of Fallot). The mean patient age at extraction

of 21 leads (95%) were completely requiring transfusion. There were

873-3

Sudden cardiac death is the single largest cause of mortality rn dtalysis pts. There are no published data on the impact of implantable cardioverter-defibrillators (ICD) on the survival

We retrospectively

9:oo

Survival of Dialysis Patients After Cardiac Arrest in the United States: The Impact of Implantable Cardioverter Defibrillators

Minneapolrs.

Methods:

of the great arteries with atrial switch repair, and

cardiac anatomy. It may be advisable to implant patients with the potential for future growth.

8:30 a.m.

Charles

to venc~us endothe-

to 75 months). Fourteen of 15 procedures were performed for lead fracture Binding of the proximal high voltage electrode, with coil stretching and fracture

growth-related

Wednesday, April 02, 2003, 8:30 a.m.-i 0:OO a.m. McCormick Place, Room S402

873-l

leads).

(5 transposition

(9 to 32 years), and the mean duration

for ICD lead extraction

New Perspectives in Implantable Cardioverter-Defibrillator Therapy

873

fibrous tiswe.

cardiac anatomy,

not result in baffle injury.Conclusions:

CONTRIBUTIONS

adherent

tions for removal, and extraction procedure details. Results: From April 1999 through January 2002, 14 patients underwent 15 lead extraction procedures to remove 21 leads

sheath

ORAL

P. Walsh,

MA, Boston Children’s

reviewed our experience with ICD lead complications and extraction in children and young adults with CHD. Multiple implantation and extraction parameters were analyzed

2 corrected

tolerance

I. Berul, Edward Boston,

lium and endocardium through the growth of scar tissue. This lead bindrng has unique implications in a growing patient. Lead removal, when necessary for lead infection or

patrent with an AICD.

in exercise

Charles Hospital,

MA

(17 ICD leads and 4 pacing

Improvements

&Women’s

Background: Implantable cardioverter-defibrillators (ICDs) are being implanted in children and young adults with congenital heart disease (CHD) for primary and secondary

wave was 15.8 f 6.5 mV, and impedance was 1074 * 301 ohms at 0.5V. Complications mcluded one post-operatwe pneumonia and one episode of ventricular tachycardia in a tion (19 f 10%) and QRS duration (152 i 16 msec) have been noted at 16.5 t 5.0 weeks follow-up. Lead thresholds have remained unchanged (1.8 * 1.1 Vat 0.5 ms, p=NS), and

A. Stephenson,

Brigham

in this cohort, including

placed on the posterolateral

lead threshold

Implantable Cardioverter Defibrillator Lead Complications and Laser Extraction in Children and Young Adults With Congenital Heart Disease

873-2

Robotically-Assisted Ventricular Resynchronization Therapy Following Failed Coronary Sinus Cannulation

862-4

137A

% pts

% pts wrth inappropriate

ICD detections

3

contin-