In accord with randomization , uterine wall defects were closed with either extracorporeal ( poliglecaprone @ ; Monocryl-@ ; Ethicon Inc. , Somerville , NJ ) or intracorporeal ( polyglactin @ ; Vicryl-@ ; Ethicon Inc. ) knots or a bidirectional knotless barbed suture ( Quill-@ ; Angiotech Pharmaceuticals , Inc. , Vancouver , BC , Canada ) .