Cord blood interleukin-6 and neonatal morbidities among preterm infants with PCR-positive ureaplasma urealyticum

References

• Fikry MM. Identification of causes of neonatal mortality using the ICD-10 classification: a study in neonatal intensive care units in Alexandria Governorate (MOHP). J Egypt Public Health Assoc 2003;78:127–152.
   PubMedGoogle Scholar
• Tosson AM, Speer CP. Microbial pathogens causative of neonatal sepsis in Arabic countries. J Matern Fetal Neonatal Med 2011; 24:990–994.
   PubMed Web of Science ®Google Scholar
• Manimtim WM, Hasday JD, Hester L, Fairchild KD, Lovchik JC, Viscardi RM. Ureaplasma urealyticum modulates endotoxin-induced cytokine release by human monocytes derived from preterm and term newborns and adults. Infect Immun 2001;69:3906–3915.
   PubMed Web of Science ®Google Scholar
• Goldenberg RL, Andrews WW, Faye-Petersen OM, Cliver SP, Goepfert AR, Hauth JC. The Alabama preterm birth study: corticosteroids and neonatal outcomes in 23- to 32-week newborns with various markers of intrauterine infection. Am J Obstet Gynecol 2006;195:1020–1024.
   PubMed Web of Science ®Google Scholar
• Viscardi RM, Hashmi N, Gross GW, Sun CC, Rodriguez A, Fairchild KD. Incidence of invasive ureaplasma in VLBW infants: relationship to severe intraventricular hemorrhage. J Perinatol 2008;28:759–765.
   PubMed Web of Science ®Google Scholar
• Yoshida T, Maeda S, Deguchi T, Miyazawa T, Ishiko H. Rapid detection of Mycoplasma genitalium, Mycoplasma hominis, Ureaplasma parvum, and Ureaplasma urealyticum organisms in genitourinary samples by PCR-microtiter plate hybridization assay. J Clin Microbiol 2003;41:1850–1855.
   PubMedGoogle Scholar
• Teng K, Li M, Yu W, Li H, Shen D, Liu D. Comparison of PCR with culture for detection of Ureaplasma urealyticum in clinical samples from patients with urogenital infections. J Clin Microbiol 1994;32:2232–2234.
   PubMedGoogle Scholar
• Peltier MR, Brown MB. Experimental genital mycoplasmosis causes increased levels of mRNA for IL-6 and TNF-α in the placenta. Am J Reprod Immunol 2005;53:189–198.
   PubMedGoogle Scholar
• Li YH, Brauner A, Jonsson B, van der Ploeg I, Söder O, Holst M, Jensen JS, et al. Ureaplasma urealyticum-induced production of proinflammatory cytokines by macrophages. Pediatr Res 2000;48:114–119.
   PubMed Web of Science ®Google Scholar
• Dammann O, Allred EN, Genest DR, Kundsin RB, Leviton A. Antenatal mycoplasma infection, the fetal inflammatory response and cerebral white matter damage in very-low-birthweight infants. Paediatr Perinat Epidemiol 2003;17:49–57.
   PubMed Web of Science ®Google Scholar
• Ida N, Sakurai S, Hosaka T, Hosoi K, Kunitomo T, Matsuura Y, Kohase M. An enzyme-linked immunosorbent assay for the measurement of human interleukin-6. J Immunol Methods 1990;133:279–284.
   PubMedGoogle Scholar
• Egawa T, Morioka I, Morisawa T, Yokoyama N, Nakao H, Ohashi M, Matsuo M. Ureaplasma urealyticum and Mycoplasma hominis presence in umbilical cord is associated with pathogenesis of funisitis. Kobe J Med Sci 2007;53:241–249.
   PubMedGoogle Scholar
• Tanswell AK, Sherwin E, Smith BT. Single-step gastric aspirate shake test: bedside predictor of neonatal pulmonary morbidity. Arch Dis Child 1977;52:541–544.
   PubMed Web of Science ®Google Scholar
• Bell MJ, Ternberg JL, Feigin RD, Keating JP, Marshall R, Barton L, Brotherton T. Neonatal necrotizing enterocolitis. Therapeutic decisions based upon clinical staging. Ann Surg 1978;187:1–7.
   PubMed Web of Science ®Google Scholar
• Yoon BH, Romero R, Lim JH, Shim SS, Hong JS, Shim JY, Jun JK. The clinical significance of detecting Ureaplasma urealyticum by the polymerase chain reaction in the amniotic fluid of patients with preterm labor. Am J Obstet Gynecol 2003;189:919–924.
   PubMed Web of Science ®Google Scholar
• Barton PT, Gerber S, Skupski DW, Witkin SS. Interleukin-1 receptor antagonist gene polymorphism, vaginal interleukin-1 receptor antagonist concentrations, and vaginal Ureaplasma urealyticum colonization in pregnant women. Infect Immun 2003;71:271–274.
   PubMed Web of Science ®Google Scholar
• Waites KB, Katz B, Schelonka RL. Mycoplasmas and ureaplasmas as neonatal pathogens. Clin Microbiol Rev 2005;18:757–789.
   PubMed Web of Science ®Google Scholar
• Cassell GH, Crouse DT, Waites KB, Rudd PT, Davis JK. Does Ureaplasma urealyticum cause respiratory disease in newborns? Pediatr Infect Dis J 1988;7:535–541.
   PubMedGoogle Scholar
• Witt A, Berger A, Gruber CJ, Petricevic L, Apfalter P, Worda C, Husslein P. Increased intrauterine frequency of Ureaplasma urealyticum in women with preterm labor and preterm premature rupture of the membranes and subsequent cesarean delivery. Am J Obstet Gynecol 2005;193:1663–1669.
   PubMed Web of Science ®Google Scholar
• Carey JC, Blackwelder WC, Nugent RP, Matteson MA, Rao AV, Eschenbach DA, Lee ML, et al. Antepartum cultures for Ureaplasma urealyticum are not useful in predicting pregnancy outcome. The Vaginal Infections and Prematurity Study Group. Am J Obstet Gynecol 1991;164:728–733.
   PubMed Web of Science ®Google Scholar
• Goldenberg RL, Andrews WW, Goepfert AR, Faye-Petersen O, Cliver SP, Carlo WA, Hauth JC. The Alabama Preterm Birth Study: umbilical cord blood Ureaplasma urealyticum and Mycoplasma hominis cultures in very preterm newborn infants. Am J Obstet Gynecol 2008;198:43.e1–43.e5.
   PubMed Web of Science ®Google Scholar
• Gerber S, Vial Y, Hohlfeld P, Witkin SS. Detection of Ureaplasma urealyticum in second-trimester amniotic fluid by polymerase chain reaction correlates with subsequent preterm labor and delivery. J Infect Dis 2003;187:518–521.
   PubMed Web of Science ®Google Scholar
• Kundsin RB, Leviton A, Allred EN, Poulin SA. Ureaplasma urealyticum infection of the placenta in pregnancies that ended prematurely. Obstet Gynecol 1996;87:122–127.
   PubMed Web of Science ®Google Scholar
• Kuypers E, Collins JJ, Kramer BW, Ofman G, Nitsos I, Pillow JJ, Polglase GR, et al. Intra-amniotic LPS and antenatal βmethasone: inflammation and maturation in preterm lamb lungs. Am J Physiol Lung Cell Mol Physiol 2012;302:L380–L389.
   PubMed Web of Science ®Google Scholar
• Kramer BW, Kallapur S, Newnham J, Jobe AH. Prenatal inflammation and lung development. Semin Fetal Neonatal Med 2009;14:2–7.
   PubMed Web of Science ®Google Scholar
• Agarwal P, Rajadurai VS, Pradeepkumar VK, Tan KW. Ureaplasma urealyticum and its association with chronic lung disease in Asian neonates. J Paediatr Child Health 2000;36:487–490.
   PubMedGoogle Scholar
• Mathers NJ, Pohlandt F. Diagnostic audit of C-reactive protein in neonatal infection. Eur J Pediatr 1987;146:147–151.
   PubMed Web of Science ®Google Scholar
• De Silva NS, Quinn PA. Localization of endogenous activity of phospholipases A and C in Ureaplasma urealyticum. J Clin Microbiol 1991;29:1498–1503.
   PubMed Web of Science ®Google Scholar
• Holladay CS, Wright RM, Spangelo BL. Arachidonic acid stimulates interleukin-6 release from rat peritoneal macrophages in vitro: evidence for a prostacyclin-dependent mechanism. Prostaglandins Leukot Essent Fatty Acids 1993;49:915–922.
   PubMedGoogle Scholar
• Nelson KB, Grether JK, Dambrosia JM, Walsh E, Kohler S, Satyanarayana G, Nelson PG, et al. Neonatal cytokines and cerebral palsy in very preterm infants. Pediatr Res 2003;53:600–607.
   PubMed Web of Science ®Google Scholar