title: Successful percutaneous coronary intervention using a 4-in-3 "Slender Mother and Child" PCI technique.
abstract: We report two cases of successful percutaneous coronary intervention (PCI) using a 4-in-3 "Slender Mother and Child" PCI technique. In both cases, coronary angiography revealed severe stenosis of the right coronary artery (RCA). In both cases, 5-Fr sheathless guiding catheters were inserted into the RCA (virtual 3-Fr PCI) but stents could not pass through because of stents previously implanted at the proximal site of the target lesions. After 4-Fr straight "child" guiding catheters were inserted into the 5-Fr sheathless "slender mother" guiding catheters, they were deployed successfully at the target lesions. This system might be useful to improve stent delivery in virtual 3-Fr PCI.
authors.affiliation: Department of Cardiology, Cardiovascular Center, National Hospital Organization Kumamoto Medical Center, Japan.
authors.forename: Tsuyoshi
authors.initials: T
authors.lastname: Honda
authors.affiliation: Department of Cardiology, Cardiovascular Center, National Hospital Organization Kumamoto Medical Center, Japan.
authors.forename: Kazuteru
authors.initials: K
authors.lastname: Fujimoto
authors.affiliation: Department of Cardiology, Cardiovascular Center, National Hospital Organization Kumamoto Medical Center, Japan.
authors.forename: Yuji
authors.initials: Y
authors.lastname: Miyao
keywords: 4-in-3; Slender Mother and Child; percutaneous coronary intervention