1.
Koch, J, Hensley, G, Roy, L, Brown, S, Ramaciotti, C, Rosenfeld, CR. Prevalence of spontaneous closure of the ductus arteriosus in neonates at a birth weight of 1000 grams or less. Pediatrics
2006; 117: 1113–1121.
2.
Fanaroff, AA, Stoll, BJ, Wright, LL, et al. Trends in neonatal morbidity and mortality for very low birthweight infants. Am J Obstet Gynecol
2007; 196: 147 e141–147 e148.
3.
Cassady, G, Crouse, DT, Kirklin, JW, et al. A randomized, controlled trial of very early prophylactic ligation of the ductus arteriosus in babies who weighed 1000 g or less at birth. N Engl J Med
1989; 320: 1511–1516.
4.
Costeloe, K, Hennessy, E, Gibson, AT, Marlow, N, Wilkinson, AR. The EPICure study: outcomes to discharge from hospital for infants born at the threshold of viability. Pediatrics
2000; 106: 659–671.
5.
Hintz, SR, Kendrick, DE, Wilson-Costello, DE, et al. Early-childhood neurodevelopmental outcomes are not improving for infants born at <25 weeks’ gestational age. Pediatrics
2011; 127: 62–70.
6.
Shah, PS, Sankaran, K, Aziz, K, et al. Outcomes of preterm infants <29 weeks gestation over 10-year period in Canada: a cause for concern?
J Perinatol
2012; 32: 132–138.
7.
Moore, P, Brook, MM. Patent ductus arteriosus and aortopulmonary window. In: Allen HD, Driscoll DJ, Shaddy RE, Feltes TF (eds). Moss and Adams’ Heart Disease in Infants, Children and Adolescents, Including the Fetus and Young Adult, 8th edn. Lippincott Williams & Wilkins, a Wolters Kluwer Business, Philadelphia, PA, 2013: 722–745.
8.
Little, DC, Pratt, TC, Blalock, SE, Krauss, DR, Cooney, DR, Custer, MD. Patent ductus arteriosus in micropreemies and full-term infants: the relative merits of surgical ligation versus indomethacin treatment. J Pediatr Surg
2003; 38: 492–496.
9.
Vida, VL, Lago, P, Salvatori, S, et al. Is there an optimal timing for surgical ligation of patent ductus arteriosus in preterm infants?
Ann Thorac Surg
2009; 87: 1509–1515; discussion 1515–1506.
10.
Dollberg, S, Lusky, A, Reichman, B. Patent ductus arteriosus, indomethacin and necrotizing enterocolitis in very low birth weight infants: a population-based study. J Pediatr Gastroenterol Nutr
2005; 40: 184–188.
11.
Evans, N, Kluckow, M. Early ductal shunting and intraventricular haemorrhage in ventilated preterm infants. Arch Dis Child Fetal Neonatal Ed
1996; 75: F183–F186.
12.
Finlay, ER, Subhedar, NV. Pulmonary haemorrhage in preterm infants. Eur J Pediatr
2000; 159: 870–871.
13.
Brooks, JM, Travadi, JN, Patole, SK, Doherty, DA, Simmer, K. Is surgical ligation of patent ductus arteriosus necessary? The Western Australian experience of conservative management. Arch Dis Child Fetal Neonatal Ed
2005; 90: F235–F239.
14.
Noori, S, McCoy, M, Friedlich, P, et al. Failure of ductus arteriosus closure is associated with increased mortality in preterm infants. Pediatrics
2009; 123: e138–e144.
15.
Benitz, WE. Patent ductus arteriosus: to treat or not to treat?
Arch Dis Child Fetal Neonatal Ed
2012; 97: F80–F82.
16.
Noori, S. Patent ductus arteriosus in the preterm infant: to treat or not to treat?
J Perinatol
2010; 30 (Suppl): S31–S37.
17.
Clyman, RI, Couto, J, Murphy, GM. Patent ductus arteriosus: are current neonatal treatment options better or worse than no treatment at all?
Semin Perinatol
2012; 36: 123–129.
18.
Sehgal, A, McNamara, PJ. The ductus arteriosus: a refined approach!. Semin Perinatol
2012; 36: 105–113.
19.
El-Khuffash, AF, Jain, A, Weisz, D, Mertens, L, McNamara, PJ. Assessment and treatment of post patent ductus arteriosus ligation syndrome. J Pediatr
2014; 165: 46–52.
20.
El-Khuffash, AF, Jain, A, McNamara, PJ. Ligation of the patent ductus arteriosus in preterm infants: understanding the physiology. J Pediatr
2013; 162: 1100–1106.
21.
Madan, JC, Kendrick, D, Hagadorn, JI, Frantz, ID 3rd. Patent ductus arteriosus therapy: impact on neonatal and 18-month outcome. Pediatrics
2009; 123: 674–681.
22.
Jaillard, S, Larrue, B, Rakza, T, Magnenant, E, Warembourg, H, Storme, L. Consequences of delayed surgical closure of patent ductus arteriosus in very premature infants. Ann Thorac Surg
2006; 81: 231–234.
23.
Yon, TF, Amka, P, Pildes, RS, Tatooles, CJ. Diaphragmatic paralysis after surgical ligation of patent ductus arteriosus. Lancet
1977; 2: 461.
24.
Gould, DS, Montenegro, LM, Gaynor, JW, et al. A comparison of on-site and off-site patent ductus arteriosus ligation in premature infants. Pediatrics
2003; 112 (6 Pt 1): 1298–1301.
25.
Kabra, NS, Schmidt, B, Roberts, RS, Doyle, LW, Papile, L, Fanaroff, A. Neurosensory impairment after surgical closure of patent ductus arteriosus in extremely low birth weight infants: results from the Trial of Indomethacin Prophylaxis in Preterms. J Pediatr
2007; 150: 229–234.
26.
Clyman, R, Cassady, G, Kirklin, JK, Collins, M, Philips, JB 3rd. The role of patent ductus arteriosus ligation in bronchopulmonary dysplasia: reexamining a randomized controlled trial. J Pediatr
2009; 154: 873–876.
27.
Weisz, DE, McNamara, PJ. Patent ductus arteriosus ligation and adverse outcomes: causality or bias?
J Clin Neonatol
2014; 3: 67–75.
28.
Nemerofsky, SL, Parravicini, E, Bateman, D, Kleinman, C, Polin, RA, Lorenz, JM. The ductus arteriosus rarely requires treatment in infants >1000 grams. Am J Perinatol
2008; 25: 661–666.
29.
Herrman, K, Bose, C, Lewis, K, Laughon, M. Spontaneous closure of the patent ductus arteriosus in very low birth weight infants following discharge from the neonatal unit. Arch Dis Child Fetal Neonatal Ed
2009; 94: F48–F50.
30.
Gersony, WM, Peckham, GJ, Ellison, RC, Miettinen, OS, Nadas, AS. Effects of indomethacin in premature infants with patent ductus arteriosus: results of a National Collaborative Study. J Pediatr
1983; 102: 895–906.
31.
Cotton, RB, Stahlman, MT, Bender, HW, Graham, TP, Catterton, WZ, Kovar, I. Randomized trial of early closure of symptomatic patent ductus arteriosus in small preterm infants. J Pediatr
1978; 93: 647–651.
32.
HCUP Kids’ Inpatient Database (KID). Healthcare Cost and Utilization Project (HCUP). 2003, 2006, 2009. Agency for Healthcare Research and Quality, Rockville, MD. Retrieved January 24, 2013, from www.hcup-us.ahrq.gov/kidoverview.jsp
35.
American Medical Association. International Classification of Diseases, 9th Revision, Clinical Modification: Physician ICD-9-CM. AMA Press, Chicago, IL, 1996.
36.
Bialkowski, J. Patent ductus arteriosus at low and high altitudes: anatomical and haemodynamic features and their implications for transcatheter closure. Kardiologica Polska
2011; 69: 431–436.
38.
Archer, KJ, Lemeshow, S, Hosmer, DW. Goodness-of-fit tests for logistic regression models when data are collected using a complex sampling design. Comput Stat Data Anal
2007; 51: 4450–4464.
39.
Odetola, FO, Tilford, JM, Davis, MM. Variation in the use of intracranial-pressure monitoring and mortality in critically ill children with meningitis in the United States. Pediatrics
2006; 117: 1893–1900.
40.
Lewis, CW, Carron, JD, Perkins, JA, Sie, KC, Feudtner, C. Tracheotomy in pediatric patients: a national perspective. Arch Otolaryngol Head Neck Surg
2003; 129: 523–529.
41.
Patrick, SW, Schumacher, RE, Davis, MM. Variation in lumbar punctures for early onset neonatal sepsis: a nationally representative serial cross-sectional analysis, 2003-2009. BMC Pediatr
2012; 12: 134.