title: Pulmonary artery banding for neonates and early infants with low body weight.
abstract: Open heart surgery for infants with low body weight (BW) remains still a challenge.  Pulmonary artery banding (PAB) is a useful surgical palliation for small neonates and early infants with excessive pulmonary blood flow who are unable to withstand a heart surgery.  This study retrospectively reviewed neonates and infants who underwent PAB to assess the surgical results and the validity of our PAB.  We selected 38 acyanotic infants and neonates and divided them into 2 groups: low BW (< 2.5 kg, n = 15, group L) and normal or high BW (≥ 2.5 kg, n = 23, group NH).  The average BW at the time of PAB was 2.8 ± 1.1 kg (range, 1.2-5.8 kg), and the average age at the time of PAB was 41.8 ± 44.8 days (range, 2-151 days).  Using a 3-mm-wide polyester tape, we tightened the main pulmonary artery to obtain the circumference of (19 mm + 1 mm for each kg of BW).  There was no early death but one late death in each group.  Postoperative BW continuously increased 1 month after PAB in both groups, although BW was significantly lower in group L than in group NH.  Intracardiac repair (ICR) was accomplished in 31 patients (13 in group L and 18 in group NH) at average ages of 1.5 years, while the remaining 5 patients are awaiting ICR.  In conclusion, PAB using our formula for the infants even weighing < 2.5 kg has low mortality and is effective as a bridge to ICR.
authors.affiliation: Department of Surgery, Division of Pediatric Cardiovascular Surgery, Ehime University School of Medicine, Ehime, Japan. mitsugi@aqua.plala.or.jp
authors.forename: Mitsugi
authors.initials: M
authors.lastname: Nagashima
authors.forename: Toru
authors.initials: T
authors.lastname: Okamura
authors.forename: Fumiaki
authors.initials: F
authors.lastname: Shikata
authors.forename: Toshiyuki
authors.initials: T
authors.lastname: Chisaka
authors.forename: Hidemi
authors.initials: H
authors.lastname: Takata
authors.forename: Masaaki
authors.initials: M
authors.lastname: Ohta
authors.forename: Eiichi
authors.initials: E
authors.lastname: Yamamoto
authors.forename: Takashi
authors.initials: T
authors.lastname: Higaki
mesh_terms: D001783:Blood Flow Velocity / Q000502:physiology; D006328:Cardiac Catheterization; D006348:Cardiac Surgical Procedures / Q000379:methods*; D006801:Humans; D007223:Infant; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D011651:Pulmonary Artery / Q000473:pathology / Q000503:physiopathology / Q000601:surgery*; D013997:Time Factors; D016896:Treatment Outcome; D014945:Wound Healing