To the Editor.— The recent article by Bilgutay et al (236:465, 1976) describes the technique of using a Teflon tube or patch as part of the repair of the so-called type IV or retrograde aortic dissection occurring with femoral perfusion during cardiopulmonary bypass. Since most of us are now routinely using aortic perfusion, fortunately this complication is becoming very rare.Of particular note is the method described by the authors to construct a coronary artery-saphenous vein bypass graft in this unusual situation by employing the subclavian to coronary artery route. We would like to call attention to a simpler approach described by Cooley et al,1 in which the proximal anastomosis is constructed directly from the Teflon or Dacron tube. This technique can also be employed in any aortic root reconstructive procedure where it is necessary either to reimplant the coronary ostia or to revascularize the heart.2
Country-Specific Mortality and Growth Failure in Infancy and Yound Children and Association With Material Stature
Use interactive graphics and maps to view and sort country-specific infant and early dhildhood mortality and growth failure data and their association with maternal
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