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Regan Giesinger

TitleStaff Neonatologist
InstitutionThe Hospital for Sick Children
DepartmentNeonatology
Address555 University Avenue
Toronto ON M5G 1X8
Phone416-813-1500
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    Collapse Bibliographic 
    Collapse selected publications
    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. Stanford AH, Reyes M, Rios DR, Giesinger RE, Jetton JG, Bischoff AR, McNamara PJ. Safety, Feasibility, and Impact of Enalapril on Cardiorespiratory Physiology and Health in Preterm Infants with Systemic Hypertension and Left Ventricular Diastolic Dysfunction. J Clin Med. 2021 Sep 29; 10(19). PMID: 34640535.
      View in: PubMed
    2. Castaldo MP, Neary E, Bischoff AR, Weisz DE, Jain A, Giesinger RE, McNamara PJ. Rectal Acetaminophen Improves Shunt Volume and Reduces Patent Ductus Arteriosus Ligation in Extremely Preterm Infants. Am J Perinatol. 2021 Sep 28. PMID: 34583409.
      View in: PubMed
    3. Rios DR, Lapointe A, Schmolzer GM, Mohammad K, VanMeurs KP, Keller RL, Sehgal A, Lakshminrusimha S, Giesinger RE. Hemodynamic optimization for neonates with neonatal encephalopathy caused by a hypoxic ischemic event: Physiological and therapeutic considerations. Semin Fetal Neonatal Med. 2021 Aug; 26(4):101277. PMID: 34481738.
      View in: PubMed
    4. Bischoff AR, Giesinger RE, Stanford AH, Ashwath R, McNamara PJ. Assessment of superior vena cava flow and cardiac output in different patterns of patent ductus arteriosus shunt. Echocardiography. 2021 Jul 26. PMID: 34309068.
      View in: PubMed
    5. Bhattacharya S, McNamara PJ, Giesinger RE. Precision in Cardiovascular Care Using Targeted Neonatal Echocardiography in Lethal Neonatal Disseminated Herpes Infection: A Case Series. Pediatr Infect Dis J. 2021 06 01; 40(6):566-570. PMID: 33470772.
      View in: PubMed
    6. Giesinger RE, El Shahed AI, Castaldo MP, Bischoff AR, Chau V, Whyte HEA, El-Khuffash AF, Mertens L, McNamara PJ. Neurodevelopmental outcome following hypoxic ischaemic encephalopathy and therapeutic hypothermia is related to right ventricular performance at 24-hour postnatal age. Arch Dis Child Fetal Neonatal Ed. 2021 May 27. PMID: 34045280.
      View in: PubMed
    7. Bischoff AR, Habib S, McNamara PJ, Giesinger RE. Hemodynamic response to milrinone for refractory hypoxemia during therapeutic hypothermia for neonatal hypoxic ischemic encephalopathy. J Perinatol. 2021 09; 41(9):2345-2354. PMID: 33850285.
      View in: PubMed
    8. Thomas L, Baczynski M, Deshpande P, Kharrat A, Joye S, Zhu F, Ibarra-Rios D, Shah PS, Mertens L, Jankov RP, Ye XY, Neary E, Ting J, Castaldo M, Levy P, Smith A, El-Khuffash AF, Giesinger RE, McNamara PJ, Weisz DE, Jain A. Multicentre prospective observational study exploring the predictive value of functional echocardiographic indices for early identification of preterm neonates at risk of developing chronic pulmonary hypertension secondary to chronic neonatal lung disease. BMJ Open. 2021 03 31; 11(3):e044924. PMID: 33789855.
      View in: PubMed
    9. Jasani B, Martins FF, Weisz DE, Jain A, Giesinger RE, Joye S, McNamara PJ. Patent ductus arteriosus shunt volume in preterm neonates using pulmonary vein diastolic velocity. Pediatr Res. 2021 Mar 17. PMID: 33731811.
      View in: PubMed
    10. Rysavy MA, Mehler K, Oberthür A, Ågren J, Kusuda S, McNamara PJ, Giesinger RE, Kribs A, Normann E, Carlson SJ, Klein JM, Backes CH, Bell EF. An Immature Science: Intensive Care for Infants Born at =23 Weeks of Gestation. J Pediatr. 2021 06; 233:16-25.e1. PMID: 33691163.
      View in: PubMed
    11. Jain A, El-Khuffash AF, van Herpen CH, Resende MHF, Giesinger RE, Weisz D, Mertens L, Jankov RP, McNamara PJ. Cardiac Function and Ventricular Interactions in Persistent Pulmonary Hypertension of the Newborn. Pediatr Crit Care Med. 2021 02 01; 22(2):e145-e157. PMID: 33044416.
      View in: PubMed
    12. Giesinger RE, Boyd SM, Rios DR, McNamara PJ. Towards optimization of cardiovascular stability in neonates with hypertrophic cardiomyopathy: uniqueness of the neonatal cardiovascular system. J Perinatol. 2021 04; 41(4):907-908. PMID: 33510414.
      View in: PubMed
    13. Bischoff AR, Giesinger RE, Neary E, Weisz DE, Belik J, McNamara PJ. Clinical and echocardiography predictors of response to inhaled nitric oxide in hypoxemic term and near-term neonates. Pediatr Pulmonol. 2021 05; 56(5):982-991. PMID: 33434418.
      View in: PubMed
    14. Joye S, McNamara PJ, Giesinger RE, Tolsa JF, Sekarski N. Association of hemoglobin and spontaneous closure of the ductus arteriosus during the transitional period in very low birth weight infants. J Neonatal Perinatal Med. 2021; 14(4):493-502. PMID: 33523022.
      View in: PubMed
    15. Rios DR, Martins FF, El-Khuffash A, Weisz DE, Giesinger RE, McNamara PJ. Early Role of the Atrial-Level Communication in Premature Infants with Patent Ductus Arteriosus. J Am Soc Echocardiogr. 2021 04; 34(4):423-432.e1. PMID: 33227390.
      View in: PubMed
    16. Bischoff AR, Giesinger RE, Rios DR, Mertens L, Ashwath R, McNamara PJ. Anatomic Concordance of Neonatologist-Performed Echocardiography as Part of Hemodynamics Consultation and Pediatric Cardiology. J Am Soc Echocardiogr. 2021 03; 34(3):301-307. PMID: 33220434.
      View in: PubMed
    17. Bischoff AR, McNamara PJ, Giesinger RE. Targeted neonatal echocardiography-guided therapy pre-embolisation for congenital hepatic vascular malformation: inhaled nitric oxide to prevent paradoxical embolisation to the systemic circulation. Cardiol Young. 2021 Feb; 31(2):308-311. PMID: 33191891.
      View in: PubMed
    18. Giesinger RE, Levy PT, Ruoss JL, El Dib M, Mohammad K, Wintermark P, McNamara PJ. Cardiovascular management following hypoxic-ischemic encephalopathy in North America: need for physiologic consideration. Pediatr Res. 2021 Sep; 90(3):600-607. PMID: 33070162.
      View in: PubMed
    19. Boyd SM, Riley KL, Giesinger RE, McNamara PJ. Use of vasopressin in neonatal hypertrophic obstructive cardiomyopathy: case series. J Perinatol. 2021 01; 41(1):126-133. PMID: 32951013.
      View in: PubMed
    20. Hébert A, Drolet C, Altit G, Villeneuve A, Lapointe A, Bensouda B, Giesinger RE, McNamara PJ. Management of chronic pulmonary hypertension in neonates with bronchopulmonary dysplasia: perspectives of neonatologists with hemodynamic expertise and pediatric cardiologists. J Perinatol. 2020 11; 40(11):1726-1728. PMID: 32801352.
      View in: PubMed
    21. Bischoff AR, Giesinger RE, Bell EF, McNamara PJ. Precision medicine in neonatal hemodynamics: need for prioritization of mechanism of illness and defining population of interest. J Perinatol. 2020 09; 40(9):1446-1449. PMID: 32719495.
      View in: PubMed
    22. Ruoss JL, Bazacliu C, Giesinger RE, McNamara PJ. Patent ductus arteriosus and cerebral, cardiac, and gut hemodynamics in premature neonates. Semin Fetal Neonatal Med. 2020 10; 25(5):101120. PMID: 32513596.
      View in: PubMed
    23. Giesinger RE, El Shahed AI, Castaldo MP, Breatnach CR, Chau V, Whyte HE, El-Khuffash AF, Mertens L, McNamara PJ. Impaired Right Ventricular Performance Is Associated with Adverse Outcome after Hypoxic Ischemic Encephalopathy. Am J Respir Crit Care Med. 2019 11 15; 200(10):1294-1305. PMID: 31251076.
      View in: PubMed
    24. Backes CH, Giesinger RE, Rivera BK, Berman DP, Smith CV, Cua CL, Kelleher KJ, McNamara PJ, Slaughter JL. Percutaneous Closure of the Patent Ductus Arteriosus in Very Low Weight Infants: Considerations Following US Food and Drug Administration Approval of a Novel Device. J Pediatr. 2019 10; 213:218-221. PMID: 31255391.
      View in: PubMed
    25. Smith A, Purna JR, Castaldo MP, Ibarra-Rios D, Giesinger RE, Rios DR, Weisz DE, Jain A, El-Khuffash AF, McNamara PJ. Accuracy and reliability of qualitative echocardiography assessment of right ventricular size and function in neonates. Echocardiography. 2019 07; 36(7):1346-1352. PMID: 31246348.
      View in: PubMed
    26. Giesinger RE, Elsayed YN, Castaldo MP, McNamara PJ. Targeted Neonatal Echocardiography-Guided Therapy in Vein of Galen Aneurysmal Malformation: A Report of Two Cases with a Review of Physiology and Approach to Management. AJP Rep. 2019 Apr; 9(2):e172-e176. PMID: 31149387.
      View in: PubMed
    27. McNamara PJ, Giesinger RE, Backes CH. Cardiac catheterisation for closure of patent ductus arteriosus. Lancet Child Adolesc Health. 2019 05; 3(5):290-292. PMID: 30928352.
      View in: PubMed
    28. Hébert A, Lavoie PM, Giesinger RE, Ting JY, Finan E, Singh Y, de Boode W, Kluckow M, Mertens L, McNamara PJ. Evolution of Training Guidelines for Echocardiography Performed by the Neonatologist: Toward Hemodynamic Consultation. J Am Soc Echocardiogr. 2019 06; 32(6):785-790. PMID: 30926403.
      View in: PubMed
    29. Elgin TG, McNamara PJ, Giesinger RE. Dichotomizing the spectrum of ductal shunt places long-term outcomes research at risk. J Pediatr. 2019 06; 209:257. PMID: 30853193.
      View in: PubMed
    30. Giesinger RE, Bischoff AR, McNamara PJ. Anticipatory perioperative management for patent ductus arteriosus surgery: Understanding postligation cardiac syndrome. Congenit Heart Dis. 2019 Mar; 14(2):311-316. PMID: 30945807.
      View in: PubMed
    31. Giesinger RE, Stanford AH, Rios DR, Bhombal S, Fraga MV, Levy VY, McNamara PJ. Targeted neonatal echocardiography in the United States of America: the contemporary perspective and challenges to implementation. Pediatr Res. 2019 06; 85(7):919-921. PMID: 30776791.
      View in: PubMed
    32. Kharrat A, Rios DI, Weisz DE, Giesinger RE, Groves A, Yang J, McNamara PJ, Shah PS, Jain A. The Relationship between blood pressure parameters and left ventricular output in neonates. J Perinatol. 2019 05; 39(5):619-625. PMID: 30770881.
      View in: PubMed
    33. Martins FF, Giesinger RE, McNamara PJ. Reply. J Pediatr. 2019 03; 206:303-304. PMID: 30573212.
      View in: PubMed
    34. Ahmed MS, Giesinger RE, Ibrahim M, Baczynski M, Louis D, McNamara KP, Jain A, Weisz DE, McNamara PJ. Clinical and echocardiography predictors of response to inhaled nitric oxide in hypoxic preterm neonates. J Paediatr Child Health. 2019 Jul; 55(7):753-761. PMID: 30537276.
      View in: PubMed
    35. Katira BH, Engelberts D, Otulakowski G, Giesinger RE, Yoshida T, Post M, Kuebler WM, Connelly KA, Kavanagh BP. Abrupt Deflation after Sustained Inflation Causes Lung Injury. Am J Respir Crit Care Med. 2018 11 01; 198(9):1165-1176. PMID: 29902384.
      View in: PubMed
    36. Giesinger RE, McNamara PJ. The Impact of Therapeutic Hypothermia on Pulmonary Hemodynamics of Meconium Aspiration Syndrome. Am J Respir Crit Care Med. 2018 07 15; 198(2):286-287. PMID: 29590531.
      View in: PubMed
    37. Weisz DE, Giesinger RE. Surgical management of a patent ductus arteriosus: Is this still an option? Semin Fetal Neonatal Med. 2018 08; 23(4):255-266. PMID: 29636280.
      View in: PubMed
    38. More KS, Sakhuja P, Giesinger RE, Ting JY, Keyzers M, Sheth JN, Lapointe A, Jain A, Moore AM, Miller SP, McNamara PJ. Cardiovascular Associations with Abnormal Brain Magnetic Resonance Imaging in Neonates with Hypoxic Ischemic Encephalopathy Undergoing Therapeutic Hypothermia and Rewarming. Am J Perinatol. 2018 08; 35(10):979-989. PMID: 29475200.
      View in: PubMed
    39. Katira BH, Giesinger RE, Engelberts D, Zabini D, Kornecki A, Otulakowski G, Yoshida T, Kuebler WM, McNamara PJ, Connelly KA, Kavanagh BP. Adverse Heart-Lung Interactions in Ventilator-induced Lung Injury. Am J Respir Crit Care Med. 2017 12 01; 196(11):1411-1421. PMID: 28795839.
      View in: PubMed
    40. Giesinger RE, More K, Odame J, Jain A, Jankov RP, McNamara PJ. Controversies in the identification and management of acute pulmonary hypertension in preterm neonates. Pediatr Res. 2017 Dec; 82(6):901-914. PMID: 28820870.
      View in: PubMed
    41. Giesinger RE, Bailey LJ, Deshpande P, McNamara PJ. Hypoxic-Ischemic Encephalopathy and Therapeutic Hypothermia: The Hemodynamic Perspective. J Pediatr. 2017 01; 180:22-30.e2. PMID: 27742125.
      View in: PubMed
    42. Giesinger RE, McNamara PJ. Hemodynamic instability in the critically ill neonate: An approach to cardiovascular support based on disease pathophysiology. Semin Perinatol. 2016 Apr; 40(3):174-88. PMID: 26778235.
      View in: PubMed
    43. Keir A, Giesinger R, Dunn M. How long should umbilical venous catheters remain in place in neonates who require long-term (=5-7 days) central venous access? J Paediatr Child Health. 2014 Aug; 50(8):649-52. PMID: 25080979.
      View in: PubMed
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