Stent Implantation for Coarctation of the Aorta in Children <30 kg
Uthara R. Mohan, MD ,
Saar Danon, MD*,,
Daniel Levi, MD*,
Dana Connolly, PhD,
John W. Moore, MD, MPH*,,*
* Mattel Children's Hospital at UCLA, Los Angeles, California
Rady Children's Hospital and UCSD, San Diego, California
View larger version (131K):
[in this window]
[in a new window]
[Download PPT slide]
|
Figure 1 Bench Testing of ev3 and PG2910B Stents
(A) PG2910B stent crimped over balloon catheter; (B) stent balloon system being introduced through 6-F sheath; (C) ev3 stent crimped over balloon catheter; and (D) stent balloon system being introduced through the 8-F sheath.
|
|
View larger version (88K):
[in this window]
[in a new window]
[Download PPT slide]
|
Figure 2 ev3 and PG2910B Stents at Maximal Expansion
The open cell structure of the ev3 stent helps maintain its length (23 mm) and allows it to achieve larger diameter (22 mm), as compared with the shortening (12.5 mm) of the PG2910B stent with lesser diameter (19 mm) seen on maximal expansion.
|
|
View larger version (137K):
[in this window]
[in a new window]
[Download PPT slide]
|
Figure 3 Angiograms Before and After Stent Placement in Patient #9
(A and B) Anteroposterior and lateral aortic angiography demonstrating native coarctation in a 5-year-old, 17.5-kg patient. (C and D) Post-intervention angiography after stent angioplasty with ev3 Mega LD stent, deployed with 12-mm Cordis Opta Pro balloon angioplasty catheter using 8-F femoral arterial access.
|
|
View larger version (34K):
[in this window]
[in a new window]
[Download PPT slide]
|
Figure 4 Type of Stents Used in Group I Patients
X axis denotes the stents used: ev3, PG1910B, and PG2910B stents. Y axis shows the total number of patients who had each type of stent placed.
|
|
|
