1. Sahni M, Jain S. Hypotension in neonates. NeoReviews. 2016; 17:e579–89.
2. Ahn HS, Shin HY. Pediatrics. 11th ed. Seoul: MiraeN;2016. p. 726–8.
3. Ibrahim CP. Hypotension in preterm infants. Indian Pediatr. 2008; 45:285–94.
4. Al-Aweel I, Pursley DM, Rubin LP, Shah B, Weisberger S, Richardson DK. Variations in prevalence of hypotension, hypertension, and vasopressor use in NICUs. J Perinatol. 2001; 21:272–8.
5. Ng PC, Lam CW, Fok TF, Lee CH, Ma KC, Chan IH, et al. Refractory hypotension in preterm infants with adrenocortical insufficiency. Arch Dis Child Fetal Neonatal Ed. 2001; 84:F122–4.
6. Noori S, Friedlich P, Wong P, Ebrahimi M, Siassi B, Seri I. Hemodynamic changes after low-dosage hydrocortisone administration in vasopressor-treated preterm and term neonates. Pediatrics. 2006; 118:1456–66.
7. Helbock HJ, Insoft RM, Conte FA. Glucocorticoid-responsive hypotension in extremely low birth weight newborns. Pediatrics. 1993; 92:715–7.
8. Fauser A, Pohlandt F, Bartmann P, Gortner L. Rapid increase of blood pressure in extremely low birth weight infants after a single dose of dexamethasone. Eur J Pediatr. 1993; 152:354–6.
9. Sasidharan P. Role of corticosteroids in neonatal blood pressure homeostasis. Clin Perinatol. 1998; 25:723–40.
10. Fernandez E, Schrader R, Watterberg K. Prevalence of low cortisol values in term and near-term infants with vasopressorresistant hypotension. J Perinatol. 2005; 25:114–8.
11. Oshiro M, Yamamoto H, Hosono H. Factors of late-onset circulatory collapse in the early nutrient and electrolyte management of extremely premature infant. J Jpn Soc Perinat Neonatal Med. 2006; 42:640–7.
12. Shimokaze T, Akaba K, Saito E. Late-onset glucocorticoidresponsive circulatory collapse in preterm infants: clinical characteristics of 14 patients. Tohoku J Exp Med. 2015; 235:241–8.
13. Seri I, Tan R, Evans J. Cardiovascular effects of hydrocortisone in preterm infants with pressor-resistant hypotension. Pediatrics. 2001; 107:1070–4.
14. Koyama N, Ohki S, Shirai K, Taihei T, Iwase K, Terasawa S, et al. Epidemiological examination by fact finding-multicenter study of the imperfect circulation (Chronic stage circulatory dysfunction: CSCD) transient for 12 acute phases after secession. J Jpn Soc Prematur Newborn Med. 2005; 17:412.
15. Kawai M. Late-onset circulatory collapse of prematurity. Pediatr Int. 2017; 59:391–6.
16. Miwa M, Kusuda S, Ikeda K. Late-onset circulatory collapse in very low-birthweight infants: a Japanese perspective. Neoreviews. 2009; 10:e381. –6.
17. Kobayashi S, Fujimoto S, Koyama N, Fukuda S, Iwaki T, Tanaka T, et al. Late-onset circulatory dysfunction of premature infants and late-onset periventricular leukomalacia. Pediatr Int. 2008; 50:225–31.
18. Masumoto K, Kusuda S, Aoyagi H, Tamura Y, Obonai T, Yamasaki C, et al. Comparison of serum cortisol concentrations in preterm infants with or without late-onset circulatory collapse due to adrenal insufficiency of prematurity. Pediatr Res. 2008; 63:686–90.
19. Choi EJ, Sohn JA, Lee EH, Lee JY, Lee HJ, Chung HR, et al. Clinical Picture of Adrenal Insufficiency-associated Hypotension in Preterm Infants. J Korean Soc Neonatol. 2011; 18:82–8.
20. Lee WJ, Kim MY, Cho HJ, Lee JS, Son DW. Clinical features of late-onset circulatory collapse in preterm infants. Korean J perinatol. 2013; 24:148–57.
21. Jobe AH, Bancalari E. Bronchopulmonary dysplasia. Am J Respir Crit Care Med. 2001; 163:1723–9.
22. Papile LA, Burstein J, Burstein R, Koffler H. Incidence and evolution of subependymal and intraventricular hemorrhage: a study of infants with birth weights less than 1,500 gm. J Pediatr. 1978; 92:529–34.
23. Rhee CJ, Kaiser JR, Rios DR, Kibler KK, Easley RB, Andropoulos DB, et al. Elevated diastolic closing margin is associated with intraventricular hemorrhage in premature infants. J Pediatr. 2016; 174:52–6.
24. Askenazi DJ, Ambalavanan N, Goldstein SL. Acute kidney injury in critically ill newborns: what do we know? What do we need to learn? Pediatr Nephrol. 2009; 24:265–74.
25. de Vries LS, Eken P, Dubowitz LM. The spectrum of leukomalacia using cranial ultrasound. Behav Brain Res. 1992; 49:1–6.
26. Chung HR. Adrenal and thyroid function in the fetus and preterm infant. Korean J Pediatr. 2014; 57:425–33.
27. Watterberg KL, Shaffer ML, Garland JS, Thilo EH, Mammel MC, Couser RJ, et al. Effect of dose on response to adrenocorticotropin in extremely low birth weight infants. J Clin Endocrinol Metab. 2005; 90:6380–5.
28. Cooper MS, Stewart PM. Adrenal insufficiency in critical illness. J Intensive Care Med. 2007; 22:348–62.
29. Volpe JJ. Confusions in nomenclature: "periventricular leukomalacia" and "white matter injury": identical, distinct, or overlapping? Pediatr Neurol. 2017; 73:3–6.
30. Vargo L, Seri I. New NANN practice guideline: the management of hypotension in the very-low-birth-weight infant. Adv Neonatal Care. 2011; 11:272–8.
31. Fanaroff JM, Fanaroff AA. Blood pressure disorders in the neonate: hypotension and hypertension. Semin Fetal Neonatal Med. 2006; 11:174–81.
32. Subhedar NV. Treatment of hypotension in newborns. Semin Neonatol. 2003; 8:413–23.
33. Kawai M, Kusuda S, Cho K, Horikawa R, Takizawa F, Ono M, et al. Nationwide surveillance of circulatory collapse associated with levothyroxine administration in very-low-birthweight infants in Japan. Pediatr Int. 2012; 54:177–81.
34. Masumoto K, Tagawa N, Kobayashi Y, Kusuda S. Cortisol production in preterm infants with or without late-onset adrenal insufficiency of prematurity: a prospective observational study. Pediatr Neonatol. 2018; Dec. 21. [Epub].
https://doi.org/10.1016/j.pedneo.2018.12.001.
35. Ng PC, Lee CH, Bnur FL, Chan IH, Lee AW, Wong E, et al. A double-blind, randomized, controlled study of a "stress dose" of hydrocortisone for rescue treatment of refractory hypotension in preterm infants. Pediatrics. 2006; 117:367–75.
36. Nakanishi H, Yamanaka S, Koriyama T, Shishida N, Miyagi N, Kim TJ, et al. Clinical characterization and long-term prognosis of neurological development in preterm infants with late-onset circulatory collapse. J Perinatol. 2010; 30:751–6.
37. Korte C, Styne D, Merritt TA, Mayes D, Wertz A, Helbock HJ. Adrenocortical function in the very low birth weight infant: improved testing sensitivity and association with neonatal outcome. J Pediatr. 1996; 128:257–63.