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​​​​​​​Cover Art Gallery


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May-June2019

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Cannula tip design with integrated conductance catheter. Solid Works drawing of the outer shell with 4 platinum iridium electrodes (left panel) and the finished assembly (right panel). See Cysyk J et al, 

DOI: 10.1097/MAT.0000000000000818



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March-April 2019

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Diagram of the Hemopump™ system, comprised of a disposable catheter mounted pump assembly. See the Moment in History article by Wampler and Frazier.

DOI: 10.1097/MAT.0000000000000802



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February 2019

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A region of interest (ROI) positioned within the LVAD inflow cannula. Beginning in diastole, ROI velocity increases during filling, and attenuates during systole. The velocity decreases from the standard cannula (left panel) to the angled orientation (right panel) for both LVAD. See May-Newman et al,   DOI: 10.1097/MAT.0000000000000790


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January 2019

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Real-time simulation of cardiovascular physiology is a promising clinical decision support tool in mechanical circulatory support and complex interventional cardiology. Figure illustrates effects of VA-ECMO 4 L/min in severe left heart failure with preserved right heart function in model Aplysia CardioVascular Lab. Severe dilatation of the left ventricle raises questions about optimal adjunct unloading interventions. See Donker DW et al, 10.1097/MAT.0000000000000755


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November/December 2018

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Gated CT image of LVAD (Heart Mate II) demonstrating normal cannula position and angle in the left ventricle as well as demonstrating a cross section of the motor (left panel). Thrombus present (indicated by the arrow) in the outflow graft confirmed at surgical explant (right panel). See Chrysant GS et al, 10.1097/MAT.0000000000000770


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September/October 2018

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Isolation of adult rat cardiomyocytes (CMs). From left to right, the figure demonstrates a rat heart that was mounted above the aortic valves, the cross-section of a successfully digested heart, the representative image of indirect plating with cultured CMs, and the representative image of direct plating with fresh CMs. See Tao Z et al, 10.1097/MAT.0000000000000765​


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July/August 2018

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Assembled patient specific implant form connected to the pneumatic tubes (left panel); circumferential expansion, while the implant was ascending around the beating heart, was controlled via fluoroscopy (right two panels). See Jagschies L et al, 10.1097/MAT.0000000000000686​

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May/June 2018

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Chest X-ray with Right Atrial-HVAD and Left Ventricular-HVAD (left panel); and computated tomography with Right Atrial-HVAD and outflow (blue) graft, Left Ventricular-HVAD and outflow (red) graft (right panel). See Tran HA et al,  10.1097/MAT.0000000000000645​


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March/April 2018

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Partial cavopulmonary connection was created by using Expanded Polytetrafluoroethylene conduit between the Superior Vena Cava and Main pulmonary artery, and application of snares on both vessels. See Sinha P et al, doi: 10.1097/MAT.0000000000000613



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January/February 2018

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Confirmation of severe stenosis of the outflow graft (right) and stenosis close to the anastomosis with the subclavian-artery (left). See Wiedemann D et al, doi: doi: 10.1097/MAT.0000000000000547

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November/December 2017

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Esperanza (middle) at the 1996 ELSO meeting with Ted Kolobow (right) and Bob Bartlett (left). Esperanza was the first successful neonatal ECMO patient in 1975. See Bartlett R, doi: 10.1097/MAT.0000000000000697 ​​


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September/October 2017

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Illustration of the heart with all implanted cannulas and sensors (left panel). 3D-printed LVAD inlet cannula with integrated sensors (right panel). 

See Ochsner G et al, doi: 10.1097/MAT.0000000000000533​​



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July/August 2017

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The LVAD pump is exposed through a subxiphoid incision (left panel). Intraoperative views during the less-invasive LVAD exchange are shown (right panels). See Tchantchaleishvili et al, 10.1097/MAT.0000000000000502​


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May/June 2017

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SLA-BRECS (left panel) consisting of top and bottom housing pieces, and a silicone gasket to make a liquid tight seal when the two pieces are assembled with an external clamp force exerted by a clamp ring (not shown). Porous disk columns from a SLA BRECS (right panels) consisting of 5, 2.5mm thick disks (20 disks); 6, 2mm thick disks (24 disks); and 8, 2mm thick disks (32 disks). Alternative disk arrangements are not shown at the same scale. See Pino et al10.1097/MAT.0000000000000485​


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March/April 2017

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Schematic representation of the MiMa working principle. The balloon is inserted in the connecting line and advanced until the P2 segment (upper panels). The balloon is then inflated causing permanent deformation of the ring in the P2 area (lower panel). After the procedure, the balloon is retrieved. See Tozzi P et al, doi: 10.1097/MAT.0000000000000480​

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January/February 2017

Computed tomography angiogram (CTA) of 

a thrombus in the LVAD outflow graft (left 

panel) and the control CTA 4 days later with 

the graft outflow graft showing a sufficient 

lumen (right panel). See Hubbert et al, DOI: ​10.1097/MAT.0000000000000371​.

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November/December 2016

Preoperative chest CT-scan (left panel) with quantification of the emphysematous zones (right panel) of case 3. The blue zones 

represent the areas with maximal emphysematous destruction. 

See Redwan B et al, DOI: ​10.1097/MAT.0000000000000421​.

September/October 2016

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Membrane oxygenator, Group H+, showing dashed lines denoting areas where the MO was Cut (left panel). SEM image of clot structure within the MO in Group H- showing that thrombus formed at the blood inlet surface, magnification x2,500 (right panel). See Beely et al.​

July/August 2016

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Confluent Cell Coating on Sintered Ti. After ex vivo static culture (12 hr), rapid-seeded hCB-ECs formed a confluent cell monolayer on sintered Ti. (LEFT) Control sintered Ti surfaces without hCB-ECs (SEM); (CENTER) Rapid-seeded sintered Ti (SEM); (RIGHT) Rapid-seeded sintered Ti (Confocal Microscopy). (Rapid-seeding density: 0.9 x105 cells/cm2; blue, red and green color: nuclei, cytoplasm and cell junctions, respectively; scale bars: 100 μm.) See Noviani et al.

May/June 2016

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Aortic arch geometry of five Norwood patients. Top row shows volumes from imaging data (with connecting tube extensions added), and bottom row shows the corresponding test phantoms. See Hang et al.

March/April 2016

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Chest radiography showing left HVAD, occluded right HVAD, and second right HVAD connecting the right atrium to right main pulmonary artery. See Maltais et al.

January/February 2016

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(Top) Geometry representation of the computational model of dialysis catheter in the superior vena cava (SVC). Red arrows indicate direction of flow. (Bottom) Close-up view of intravascular region of catheter demonstrating some of the computational mesh and zoomed-in views of specific regions of interest. See Richardson et al.

November/December 2015

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Structure of 2-methacryloyloxyethyl phosphorylcholine surfaces. See Tchouta and Bonde.

September/October 2015

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Three-dimensional computed tomography image. Fracture sites and regions of sternal nonunion are indicated by arrows preoperatively (left panel), and healed fractures are indicated by arrows at 3 months (middle panel) and 6 months postoperatively (right panel). See Khalpey et al.

July/August 2015

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ECG QRS complex patterns on day 2. Left: on LV anterior wall surfaces of recellularized hearts (QS or Rs); Right: on LV anterior wall surfaces of normal hearts (all are qR). See Tao et al

May/June 2015

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Surgical implantation of pressure and flow sensors. The implant and battery are secured with sutures for short-term stability and wrapped in medical mesh that provides long term positional stability. See Fujii et al.

 

March/April 2015

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CT Scan showing the location of the cannula tips (left panel) and early thrombosis of RVAD cannulas remnants (right panel).

January/February 2015

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Representative tri-stained native and acellular ventricle tissues to define collagen type I (yellow), α-actinin sarcomeres (green)and nuclei (blue) components at 40x objective.

November/December 2014

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Ascending aorta (left panel) and aortic valve (right panel) with C-Pulse explanted during heart transplantation.

September/October 2014

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Map of the Reynolds’ shear stress downstream of a transcatheter aortic valve placed at different positions below the aortic annulus in a heart flow simulator. Magnitude of the shear stress is indicated in a color scale with blue being low values, green, yellow, orange and red indicating increasing values, respectively.

 

July/August 2014

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Diagram of the pediatric superior vena cava, right atrium, and central venous catheter in the 3D model volume.

May/June 2014

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Axial CT view of the focal kink in the LVAD efferent cannula, proximal to the anastomosis into the ascending aorta, which causing 50% diameter stenosis. The anastomosis itself with the ascending aorta is patent measuring 12.2 mm in diameter (left), and reconstruction image, kink is marked with the large arrow (right).

March/April 2014

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Optical image of the cross section of the sintered scaffold (left), and the external and internal structure of the optimized hydroxyapatite scaffold after the polymer binder and graphite were removed (right).
From DW Jang et al, Fabrication of Porous Hydroxyapatite Scaffolds as Artificial Bone Preform and its Bio-compatibility Evaluation
 

 

January/February 2014

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Thrombus formation on the impeller part of the HeartMate II device identified postmortem from a patient with severe hemolysis.

From Hasin et al, The Role of Medical Management for Acute Intravascular Hemolysis in Patients Supported on Axial Flow LVAD.