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Last Name
Institution

Rita Marie Ryan

Title
InstitutionMedical University of South Carolina
DepartmentPediatrics
AddressP.O. Box MSC 917
EH 691
Children's Hospital - 165 Ashley Ave.
Phone843-876-1684
Fax843-792-1844
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    Collapse Bibliographic 
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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    1. Htun ZT, Schulz EV, Desai RK, Marasch JL, McPherson CC, Mastrandrea LD, Jobe AH, Ryan RM. Postnatal steroid management in preterm infants with evolving bronchopulmonary dysplasia. J Perinatol. 2021 May 19. PMID: 34012057.
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    2. Raju T, Cheng Y, Mimouni FB, Pearlman SA, Ryan RM, Swanson JR, Gallagher PG. Journal of Perinatology Editorial Updates 2021. J Perinatol. 2021 May; 41(5):917-922. PMID: 33850288.
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    3. Yildiz Atar H, Baatz JE, Ryan RM. Molecular Mechanisms of Maternal Diabetes Effects on Fetal and Neonatal Surfactant. Children (Basel). 2021 Apr 06; 8(4). PMID: 33917547.
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    4. Olicker AL, Raffay TM, Ryan RM. Neonatal Respiratory Distress Secondary to Meconium Aspiration Syndrome. Children (Basel). 2021 Mar 23; 8(3). PMID: 33806734.
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    5. Nogee LM, Ryan RM. Genetic Testing for Neonatal Respiratory Disease. Children (Basel). 2021 Mar 11; 8(3). PMID: 33799761.
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    6. Bhattacharya S, Mereness JA, Baran AM, Misra RS, Peterson DR, Ryan RM, Reynolds AM, Pryhuber GS, Mariani TJ. Lymphocyte-Specific Biomarkers Associated With Preterm Birth and Bronchopulmonary Dysplasia. Front Immunol. 2020; 11:563473. PMID: 33552042.
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    7. Cummings JJ, Gerday E, Minton S, Katheria A, Albert G, Flores-Torres J, Famuyide M, Lampland A, Guthrie S, Kuehn D, Weitkamp JH, Fort P, Abu Jawdeh EG, Ryan RM, Martin GC, Swanson JR, Mulrooney N, Eyal F, Gerstmann D, Kumar P, Wilding GE, Egan EA. Aerosolized Calfactant for Newborns With Respiratory Distress: A Randomized Trial. Pediatrics. 2020 11; 146(5). PMID: 33060258.
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    8. Kiskurno S, Ryan RM, Paturi B, Wang H, Kumar VH. Antioxidant MnTBAP does not protect adult mice from neonatal hyperoxic lung injury. Respir Physiol Neurobiol. 2020 11; 282:103545. PMID: 32927098.
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    9. Alhassen Z, Vali P, Guglani L, Lakshminrusimha S, Ryan RM. Recent Advances in Pathophysiology and Management of Transient Tachypnea of Newborn. J Perinatol. 2021 01; 41(1):6-16. PMID: 32753712.
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    10. Chapman A, George K, Selassie A, Lesher AP, Ryan RM. NICU infants who require a feeding gastrostomy for discharge. J Pediatr Surg. 2021 Mar; 56(3):449-453. PMID: 32828544.
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    11. Patel EU, Wilson DA, Brennan EA, Lesher AP, Ryan RM. Earlier re-initiation of enteral feeding after necrotizing enterocolitis decreases recurrence or stricture: a systematic review and meta-analysis. J Perinatol. 2020 11; 40(11):1679-1687. PMID: 32683411.
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    12. Voynow JA, Fisher K, Sunday ME, Cotten CM, Hamvas A, Hendricks-Muñoz KD, Poindexter BB, Pryhuber GS, Ren CL, Ryan RM, Sharp JK, Young SP, Zhang H, Greenberg RG, Herring AH, Davis SD. Urine gastrin-releasing peptide in the first week correlates with bronchopulmonary dysplasia and post-prematurity respiratory disease. Pediatr Pulmonol. 2020 04; 55(4):899-908. PMID: 31995668.
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    13. Greenberg JM, Poindexter BB, Shaw PA, Bellamy SL, Keller RL, Moore PE, McPherson C, Ryan RM. Respiratory medication use in extremely premature (<29 weeks) infants during initial NICU hospitalization: Results from the prematurity and respiratory outcomes program. Pediatr Pulmonol. 2020 02; 55(2):360-368. PMID: 31794157.
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    14. Nath S, Reynolds AM, Lakshminrusimha S, Ma C, Hudak ML, Ryan RM. Retrospective Analysis of Short-Term Respiratory Outcomes of Three Different Steroids Used in Clinical Practice in Intubated Preterm Infants. Am J Perinatol. 2020 12; 37(14):1425-1431. PMID: 31382299.
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    15. Ryan RM, Keller RL, Poindexter BB, D'Angio CT, Shaw PA, Bellamy SL, Moore PE, McPherson C, Greenberg JM. Respiratory Medications in Infants <29 Weeks during the First Year Postdischarge: The Prematurity and Respiratory Outcomes Program (PROP) Consortium. J Pediatr. 2019 05; 208:148-155.e3. PMID: 30857774.
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    16. Ryan RM, Feng R, Bazacliu C, Ferkol TW, Ren CL, Mariani TJ, Poindexter BB, Wang F, Moore PE. Black Race Is Associated with a Lower Risk of Bronchopulmonary Dysplasia. J Pediatr. 2019 04; 207:130-135.e2. PMID: 30612812.
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    17. Li Q, Kinsman SL, Jenkins DD, Hovell MF, Ryan RM. Decreasing prevalence of cerebral palsy in birth cohorts in South Carolina using Medicaid, disability service, and hospital discharge data, 1996 to 2009. Dev Med Child Neurol. 2019 05; 61(5):593-600. PMID: 30417338.
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    18. Higgins RD, Jobe AH, Koso-Thomas M, Bancalari E, Viscardi RM, Hartert TV, Ryan RM, Kallapur SG, Steinhorn RH, Konduri GG, Davis SD, Thebaud B, Clyman RI, Collaco JM, Martin CR, Woods JC, Finer NN, Raju TNK. Bronchopulmonary Dysplasia: Executive Summary of a Workshop. J Pediatr. 2018 06; 197:300-308. PMID: 29551318.
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    19. Arbra CA, Oprisan A, Wilson DA, Ryan RM, Lesher AP. Time to reintroduction of feeding in infants with nonsurgical necrotizing enterocolitis. J Pediatr Surg. 2018 Jun; 53(6):1187-1191. PMID: 29622398.
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    20. Scheible KM, Emo J, Laniewski N, Baran AM, Peterson DR, Holden-Wiltse J, Bandyopadhyay S, Straw AG, Huyck H, Ashton JM, Tripi KS, Arul K, Werner E, Scalise T, Maffett D, Caserta M, Ryan RM, Reynolds AM, Ren CL, Topham DJ, Mariani TJ, Pryhuber GS. T cell developmental arrest in former premature infants increases risk of respiratory morbidity later in infancy. JCI Insight. 2018 02 22; 3(4). PMID: 29467329.
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    21. Kumar VHS, Wang H, Kishkurno S, Paturi BS, Nielsen L, Ryan RM. Long-Term Effects of Neonatal Hyperoxia in Adult Mice. Anat Rec (Hoboken). 2018 04; 301(4):717-726. PMID: 29281864.
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    22. Grier A, Qiu X, Bandyopadhyay S, Holden-Wiltse J, Kessler HA, Gill AL, Hamilton B, Huyck H, Misra S, Mariani TJ, Ryan RM, Scholer L, Scheible KM, Lee YH, Caserta MT, Pryhuber GS, Gill SR. Impact of prematurity and nutrition on the developing gut microbiome and preterm infant growth. Microbiome. 2017 Dec 11; 5(1):158. PMID: 29228972.
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    23. Kumar VHS, Chaker El Khoury J, Gronostajski R, Wang H, Nielsen L, Ryan RM. Nfib hemizygous mice are protected from hyperoxic lung injury and death. Physiol Rep. 2017 Aug; 5(16). PMID: 28830981.
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    24. Mathew B, D'Angelis CA, Lakshminrusimha S, Nickerson PA, Sokolowski JJ, Kumar VHS, Wang H, Wynn KA, Holm BA, Ryan RM. Natriuretic peptide C receptor in the developing sheep lung: role in perinatal transition. Pediatr Res. 2017 08; 82(2):349-355. PMID: 28288148.
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    25. Dennery P, Ryan RM. Pursuing Research Careers in Pediatrics: Hope Springs Eternal. J Pediatr. 2017 07; 186:4-5. PMID: 28483065.
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    26. Keller RL, Eichenwald EC, Hibbs AM, Rogers EE, Wai KC, Black DM, Ballard PL, Asselin JM, Truog WE, Merrill JD, Mammel MC, Steinhorn RH, Ryan RM, Durand DJ, Bendel CM, Bendel-Stenzel EM, Courtney SE, Dhanireddy R, Hudak ML, Koch FR, Mayock DE, McKay VJ, Helderman J, Porta NF, Wadhawan R, Palermo L, Ballard RA. The Randomized, Controlled Trial of Late Surfactant: Effects on Respiratory Outcomes at 1-Year Corrected Age. J Pediatr. 2017 04; 183:19-25.e2. PMID: 28100402.
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    27. Day CL, Ryan RM. Bronchopulmonary dysplasia: new becomes old again! Pediatr Res. 2017 01; 81(1-2):210-213. PMID: 27682969.
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    28. Misra RS, Bhattacharya S, Huyck HL, Wang JC, Slaunwhite CG, Slaunwhite SL, Wightman TR, Secor-Socha S, Misra SK, Bushnell TP, Reynolds AM, Ryan RM, Quataert SA, Pryhuber GS, Mariani TJ. Flow-based sorting of neonatal lymphocyte populations for transcriptomics analysis. J Immunol Methods. 2016 10; 437:13-20. PMID: 27438473.
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    29. Kumar VH, Lakshminrusimha S, Kishkurno S, Paturi BS, Gugino SF, Nielsen L, Wang H, Ryan RM. Neonatal hyperoxia increases airway reactivity and inflammation in adult mice. Pediatr Pulmonol. 2016 11; 51(11):1131-1141. PMID: 27116319.
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    30. Ballard RA, Keller RL, Black DM, Ballard PL, Merrill JD, Eichenwald EC, Truog WE, Mammel MC, Steinhorn RH, Rogers EE, Ryan RM, Durand DJ, Asselin JM, Bendel CM, Bendel-Stenzel EM, Courtney SE, Dhanireddy R, Hudak ML, Koch FR, Mayock DE, McKay VJ, O'Shea TM, Porta NF, Wadhawan R, Palermo L. Randomized Trial of Late Surfactant Treatment in Ventilated Preterm Infants Receiving Inhaled Nitric Oxide. J Pediatr. 2016 Jan; 168:23-29.e4. PMID: 26500107.
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    31. Scheible KM, Emo J, Yang H, Holden-Wiltse J, Straw A, Huyck H, Misra S, Topham DJ, Ryan RM, Reynolds AM, Mariani TJ, Pryhuber GS. Developmentally determined reduction in CD31 during gestation is associated with CD8+ T cell effector differentiation in preterm infants. Clin Immunol. 2015 Dec; 161(2):65-74. PMID: 26232733.
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    32. Misra R, Shah S, Fowell D, Wang H, Scheible K, Misra S, Huyck H, Wyman C, Ryan RM, Reynolds AM, Mariani T, Katzman PJ, Pryhuber GS. Preterm cord blood CD4? T cells exhibit increased IL-6 production in chorioamnionitis and decreased CD4? T cells in bronchopulmonary dysplasia. Hum Immunol. 2015 May; 76(5):329-338. PMID: 25797206.
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    33. D'Angio CT, Ryan RM. Animal models of bronchopulmonary dysplasia. The preterm and term rabbit models. . 2014 Dec 15; 307(12):L959-69. PMID: 25326582.
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    34. Ballard PL, Keller RL, Black DM, Durand DJ, Merrill JD, Eichenwald EC, Truog WE, Mammel MC, Steinhorn R, Ryan RM, Courtney SE, Horneman H, Ballard RA. Inhaled nitric oxide increases urinary nitric oxide metabolites and cyclic guanosine monophosphate in premature infants: relationship to pulmonary outcome. Am J Perinatol. 2015 Feb; 32(3):225-32. PMID: 24968129.
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    35. Sengupta S, Carrion V, Shelton J, Wynn RJ, Ryan RM, Singhal K, Lakshminrusimha S. Adverse neonatal outcomes associated with early-term birth. JAMA Pediatr. 2013 Nov; 167(11):1053-9. PMID: 24080985.
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    36. Keller RL, Merrill JD, Black DM, Steinhorn RH, Eichenwald EC, Durand DJ, Ryan RM, Truog WE, Courtney SE, Ballard PL, Ballard RA. Late administration of surfactant replacement therapy increases surfactant protein-B content: a randomized pilot study. Pediatr Res. 2012 Dec; 72(6):613-9. PMID: 23037875.
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    37. D'Angio CT, Heyne RJ, Duara S, Holmes LC, O'Shea TM, Wang H, Wang D, Sánchez PJ, Welliver RC, Ryan RM, Schnabel KC, Hall CB. Immunogenicity of trivalent influenza vaccine in extremely low-birth-weight, premature versus term infants. Pediatr Infect Dis J. 2011 Jul; 30(7):570-4. PMID: 21273938.
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    38. Kumar VH, Swartz DD, Rashid N, Lakshminrusimha S, Ma C, Ryan RM, Morin FC. Prostacyclin and milrinone by aerosolization improve pulmonary hemodynamics in newborn lambs with experimental pulmonary hypertension. J Appl Physiol (1985). 2010 Sep; 109(3):677-84. PMID: 20616229.
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    39. Kumar VH, Patel A, Swartz DD, Wang H, Wynn KA, Nielsen LC, Ryan RM. Exposure to supplemental oxygen and its effects on oxidative stress and antioxidant enzyme activity in term newborn lambs. Pediatr Res. 2010 Jan; 67(1):66-71. PMID: 19745783.
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    40. Lakshminrusimha S, Swartz DD, Gugino SF, Ma CX, Wynn KA, Ryan RM, Russell JA, Steinhorn RH. Oxygen concentration and pulmonary hemodynamics in newborn lambs with pulmonary hypertension. Pediatr Res. 2009 Nov; 66(5):539-44. PMID: 19680165.
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    41. Brion LP, Neu J, Adamkin D, Bancalari E, Cummings J, Guttentag S, Juul S, Norwood VF, Ryan RM. Resident duty hour restrictions: is less really more? J Pediatr. 2009 May; 154(5):631-632.e1. PMID: 19364553.
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    42. Patel A, Lakshminrusimha S, Ryan RM, Swartz DD, Wang H, Wynn KA, Kumar VH. Exposure to supplemental oxygen downregulates antioxidant enzymes and increases pulmonary arterial contractility in premature lambs. Neonatology. 2009; 96(3):182-92. PMID: 19365144.
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    43. Guglani L, Lakshminrusimha S, Ryan RM. Transient tachypnea of the newborn. Pediatr Rev. 2008 Nov; 29(11):e59-65. PMID: 18977854.
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    44. Ryan RM, Ahmed Q, Lakshminrusimha S. Inflammatory mediators in the immunobiology of bronchopulmonary dysplasia. Clin Rev Allergy Immunol. 2008 Apr; 34(2):174-90. PMID: 18330726.
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    45. D'Angelis CA, Holm BA, Lakshminrusimha S, Nickerson PA, Swartz DD, Sokolowski J, Nielsen LC, Ryan RM. Ontogeny of atrial natriuretic peptide and its receptor in the lung: effects on perinatal surfactant release. Pediatr Res. 2008 Mar; 63(3):239-44. PMID: 18287960.
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    46. Bliss JM, Basavegowda KP, Watson WJ, Sheikh AU, Ryan RM. Vertical and horizontal transmission of Candida albicans in very low birth weight infants using DNA fingerprinting techniques. Pediatr Infect Dis J. 2008 Mar; 27(3):231-5. PMID: 18277930.
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    47. Pabalan MJ, Wynn RJ, Reynolds AM, Ryan RM, Youssfi M, Manja V, Lakshminrusimha S. Pleural effusion with parenteral nutrition solution: an unusual complication of an "appropriately" placed umbilical venous catheter. Am J Perinatol. 2007 Nov; 24(10):581-5. PMID: 17972230.
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    48. Digeronimo RJ, Mustafa SB, Ryan RM, Sternberg ZZ, Ashton DJ, Seidner SR. Mechanical ventilation down-regulates surfactant protein A and keratinocyte growth factor expression in premature rabbits. Pediatr Res. 2007 Sep; 62(3):277-82. PMID: 17622950.
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    49. Lakshminrusimha S, Russell JA, Steinhorn RH, Swartz DD, Ryan RM, Gugino SF, Wynn KA, Kumar VH, Mathew B, Kirmani K, Morin FC. Pulmonary hemodynamics in neonatal lambs resuscitated with 21%, 50%, and 100% oxygen. Pediatr Res. 2007 Sep; 62(3):313-8. PMID: 17622960.
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    50. El Hassan N, Ryan R, Nirupama L. Premature infants: analysis of serum phosphate during the first 4 weeks of life. Am J Perinatol. 2007 May; 24(5):327-30. PMID: 17516309.
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    51. Bland RD, Xu L, Ertsey R, Rabinovitch M, Albertine KH, Wynn KA, Kumar VH, Ryan RM, Swartz DD, Csiszar K, Fong KS. Dysregulation of pulmonary elastin synthesis and assembly in preterm lambs with chronic lung disease. . 2007 Jun; 292(6):L1370-84. PMID: 17293375.
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    52. Rashid N, Morin FC, Swartz DD, Ryan RM, Wynn KA, Wang H, Lakshminrusimha S, Kumar VH. Effects of prostacyclin and milrinone on pulmonary hemodynamics in newborn lambs with persistent pulmonary hypertension induced by ductal ligation. Pediatr Res. 2006 Nov; 60(5):624-9. PMID: 16988189.
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    53. Ryan RM. A new look at bronchopulmonary dysplasia classification. J Perinatol. 2006 Apr; 26(4):207-9. PMID: 16570079.
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    54. Lakshminrusimha S, Russell JA, Gugino SF, Ryan RM, Mathew B, Nielsen LC, Morin FC. Adjacent bronchus attenuates pulmonary arterial contractility. . 2006 Sep; 291(3):L473-8. PMID: 16581826.
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    55. Lakshminrusimha S, Morin FC, Steinhorn RH, Gugino SF, Ryan RM, Kumar VH, Russell JA. Ovine bronchial-derived relaxing factor: changes with development and hyperoxic ventilation. J Appl Physiol (1985). 2006 Jul; 101(1):135-9. PMID: 16575021.
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    56. D'Angelis CA, Nickerson PA, Ryan RM, Swartz DD, Holm BA. C-type natriuretic peptide and its receptor are downregulated in pulmonary epithelium following birth. Histochem Cell Biol. 2006 Sep; 126(3):317-24. PMID: 16477455.
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    57. Lakshminrusimha S, Russell JA, Steinhorn RH, Ryan RM, Gugino SF, Morin FC, Swartz DD, Kumar VH. Pulmonary arterial contractility in neonatal lambs increases with 100% oxygen resuscitation. Pediatr Res. 2006 Jan; 59(1):137-41. PMID: 16326983.
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    58. Reininger A, Khalak R, Kendig JW, Ryan RM, Stevens TP, Reubens L, D'Angio CT. Surfactant administration by transient intubation in infants 29 to 35 weeks' gestation with respiratory distress syndrome decreases the likelihood of later mechanical ventilation: a randomized controlled trial. J Perinatol. 2005 Nov; 25(11):703-8. PMID: 16163369.
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    59. D'Angio CT, Chess PR, Kovacs SJ, Sinkin RA, Phelps DL, Kendig JW, Myers GJ, Reubens L, Ryan RM. Pressure-regulated volume control ventilation vs synchronized intermittent mandatory ventilation for very low-birth-weight infants: a randomized controlled trial. Arch Pediatr Adolesc Med. 2005 Sep; 159(9):868-75. PMID: 16143747.
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    60. Faden H, Wynn RJ, Campagna L, Ryan RM. Outbreak of adenovirus type 30 in a neonatal intensive care unit. J Pediatr. 2005 Apr; 146(4):523-7. PMID: 15812457.
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    61. Kumar VH, Lakshminrusimha S, El Abiad MT, Chess PR, Ryan RM. Growth factors in lung development. Adv Clin Chem. 2005; 40:261-316. PMID: 16355925.
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    62. Kumar VH, Ryan RM. Growth factors in the fetal and neonatal lung. Front Biosci. 2004 Jan 01; 9:464-80. PMID: 14766383.
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    63. Metaj M, Laroia N, Lawrence RA, Ryan RM. Comparison of breast- and formula-fed normal newborns in time to first stool and urine. J Perinatol. 2003 Dec; 23(8):624-8. PMID: 14647157.
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    64. D'Angio CT, Sinkin RA, Stevens TP, Landfish NK, Merzbach JL, Ryan RM, Phelps DL, Palumbo DR, Myers GJ. Longitudinal, 15-year follow-up of children born at less than 29 weeks' gestation after introduction of surfactant therapy into a region: neurologic, cognitive, and educational outcomes. Pediatrics. 2002 Dec; 110(6):1094-102. PMID: 12456905.
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    65. Waheed S, D'Angio CT, Wagner CL, Madtes DK, Finkelstein JN, Paxhia A, Ryan RM. Transforming growth factor alpha (TGF(alpha)) is increased during hyperoxia and fibrosis. Exp Lung Res. 2002 Jul-Aug; 28(5):361-72. PMID: 12097230.
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    66. Hastings RH, Ryan RM, D'Angio CT, Holm BA, Patel A, Quintana R, Biederman E, Burton DW, Deftos LJ. Parathyroid hormone-related protein response to hyperoxic lung injury. . 2002 Jun; 282(6):L1198-208. PMID: 12003775.
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    67. Wagner CL, Katikaneni LD, Cox TH, Ryan RM. The impact of prenatal drug exposure on the neonate. Obstet Gynecol Clin North Am. 1998 Mar; 25(1):169-94. PMID: 9547766.
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    68. Wagner CL, Ryan RM, Forsythe DE, Keenan A, Finkelstein JN. Secretion of transforming growth factor-alpha (TGF alpha) by postnatal rabbit alveolar macrophages. Pediatr Res. 1995 Jul; 38(1):49-54. PMID: 7478796.
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    69. Donahue ML, Ryan RM. Interstitial deletion of 8q21-->22 associated with minor anomalies, congenital heart defect, and Dandy-Walker variant. Am J Med Genet. 1995 Mar 13; 56(1):97-100. PMID: 7747796.
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