A prosthetic heart valve, comprising: a stent with an annulus section and an aortic section, and having a collapsed condition and an expanded condition, the stent having a proximal end, a distal end, a plurality of commissure features, each of the annulus section and aortic section having a plurality of cells connected to one another around the circumference of the stent and in at least two annular rows, each cell being formed by a plurality of struts, two adjacent struts merging at an ancon, the annulus section including a first group of three struts (314a, 314b, 314c) connected to one another in substantially end-to-end fashion extending diagonally along three cells from one of the commissure features toward the proximal end of the stent, and a second group of three struts (314f, 314e 314d) connected to one another in substantially end-to-end fashion extending diagonally along three cells from another of the commissure features toward the proximal end of the stent and toward the first group of struts, ending with the connection between an end of the third strut of the first group of struts and an end of the third strut of the second group of struts; and a valve assembly secured to the stent and including a cuff disposed on the annulus section of the stent and a plurality of leaflets disposed between the plurality of commissure features and the proximal end of the stent, each of the plurality of leaflets being coupled only to the cuff between respective pairs of the commissure features with a repeating pattern of sutures, the pattern of sutures following an attachment line that includes a descending seam spaced proximally of the two most distal struts (314a, 314b) in the first group of struts while substantially maintaining the distance y from said two most distal struts, an ascending seam spaced proximally of the two most distal struts (314e, 314f) in the second group of struts while substantially maintaining the distance y from said two most distal struts, and a lower portion between the descending seam and the ascending seam, the pattern of sutures being disposed solely between the commissure features and the proximal end of the stent, characterized in that the ancons in two longitudinally adjacent rows of cells are joined by runners (r), the lower portion of the attachment line crossing the runners of two pairs of adjacent ancons and changing direction therebetween forming a vertex. a stent with an annulus section and an aortic section, and having a collapsed condition and an expanded condition, the stent having a proximal end, a distal end, a plurality of commissure features, each of the annulus section and aortic section having a plurality of cells connected to one another around the circumference of the stent and in at least two annular rows, each cell being formed by a plurality of struts, two adjacent struts merging at an ancon, the annulus section including a first group of three struts (314a, 314b, 314c) connected to one another in substantially end-to-end fashion extending diagonally along three cells from one of the commissure features toward the proximal end of the stent, and a second group of three struts (314f, 314e 314d) connected to one another in substantially end-to-end fashion extending diagonally along three cells from another of the commissure features toward the proximal end of the stent and toward the first group of struts, ending with the connection between an end of the third strut of the first group of struts and an end of the third strut of the second group of struts; and a valve assembly secured to the stent and including a cuff disposed on the annulus section of the stent and a plurality of leaflets disposed between the plurality of commissure features and the proximal end of the stent, each of the plurality of leaflets being coupled only to the cuff between respective pairs of the commissure features with a repeating pattern of sutures, the pattern of sutures following an attachment line that includes a descending seam spaced proximally of the two most distal struts (314a, 314b) in the first group of struts while substantially maintaining the distance y from said two most distal struts, an ascending seam spaced proximally of the two most distal struts (314e, 314f) in the second group of struts while substantially maintaining the distance y from said two most distal struts, and a lower portion between the descending seam and the ascending seam, the pattern of sutures being disposed solely between the commissure features and the proximal end of the stent, characterized in that the ancons in two longitudinally adjacent rows of cells are joined by runners (r), the lower portion of the attachment line crossing the runners of two pairs of adjacent ancons and changing direction therebetween forming a vertex.