Publications

Books and Chapters

• Mathur M., Ejike JC, Abdominal Compartment Syndrome, Rogers’Handbook of Pediatric Intensive Care 5th Ed. LWW, 2017. 527-531 Print ISBN-13 9781496347534  Mathur M., Ejike JC, Abdominal Compartment Syndrome, Roger’s Textbook of Pediatric Intensive Care 5th Ed. LWW, 2015. 1652-1659 Print ISBN978-1451176629 Ejike JC, Moores DC, Mathur M. Intra-abdominal hypertension (Core Critical Care) Section 3, Children.  2013 Edition Cambridge ISBN 9780521149396 Mathur M, Ejike JC, Abdominal Compartment Syndrome in Children. Current Concepts in Pediatric Critical Care 2012 Edition: pp.61-69 (Present)

Scholarly Journals--Published

•   Lopez M, Vaks Y, Wilson M, Mitchell K, Lee C, Ejike J, Oei G, Kaufman D, Hambly J, Tinsley C, Bahk T, Samayoa C, Pappas J, Abd-Allah S. Impacting Satistaction, Learning, and Efficiency Through Structured Interdisciplinary Rounding in a Pediatric Intensive Care Unit: A Quality Improvement Project. Pediatr Qual Saf2019:e176 Thabet FC, Ejike JC. Intra-abdominal hypertension and abdominal compartment syndrome in pediatrics. A review. J Crit Care 2017;41:275-82. (PMID: 28614762) Kirkpatrick AW, Sugrue M, McKee JL, et al. Update from the Abdominal Compartment Society (WSACS) on intra-abdominal hypertension and abdominal compartment syndrome: past, present, and future beyond Banff 2017. Anaesthesiol Intensive Ther 2017;49:83-7 (PMID: 28502071) Thomas S, Kriplani D, Crane C, Dehom SO, Oei G, Baerg J, Wright C, Xu Y, Ejike JC. Outcomes in pediatric patients with abdominal compartment syndrome following urgent exploratory laparotomy. J Pediatr Surg 2016;Oct 14 [Epub ahead of print] PMID: 27810147 Kirkpatrick AW, Roberts DJ, De Waele J, Reintam Blaser A, Malbrain ML, Bjorck M, Balogh ZJ; Executive Committee of the WSACS - Abdominal Compartment Society. Permissive intraabdominal hypertension following complex abdominal wall reconstruction. Plast Reconstr Surg. 2016 Apr;137(4):762e-764e. PMID: 26741889 Kirkpatrick AW, McBeth PB, Ball CG, Ejike JC, De Laet IE, Nickerson D. Mesenteric ischemia, intra-abdominal hypertension, and the abdominal compartment syndrome. Plast Surg (Oakv) 2016;24(1):9-10. PMID 27054131 Kirkpatrick AW, Roberts DJ, Jaeschke R, De Waele JJ, De Keulenaer BL, Duchesne J, Bjorck M, Leppaniemi A, Ejike JC et al. Methodological background and strategy for the 2012-2013 updated consensus definitions and clinical practice guidelines from the abdominal compartment society. Anaesthesiol Intensive Ther 2015. Kirkpatric AW, De Waele JJ, DeLaet I, De Keulenaer BL, D’Amours S, Bjorck M, Balogh ZJ, Leppaniemi A, Kaplan M, Chiaka Ejike J, Reintam Blaser A, Sugrue M, Ivatury RR, Malbrain ML. WSACS- The Abdominal Compartment Society. A Society dedicated to the study of physiology and pathophysiology of the abdominal compartment and its interaction with all organ systems. Anaesthesiol Intensive Ther 2015;47(3):191-4. De Waele JJ, Ejike JC, Leppaniemi A, et al. Intra-abdominal hypertension and abdominal compartment syndrome in pancreatitis, paediatrics, and trauma. Anaesthesiol Intensive Ther 2015;47:219-27. Kirkpatrick AW, Roberts DJ, De Waele J, Jaeschke R, Malbrain ML, De Keulenaer B, Duchesne J, Bjorck M, Leppaniemi A, Ejike JC, Sugrue M, Cheatham M, Ivatury R, Ball CG, Reintam Blaser A, Regli A, Balogh ZJ, D'Amours S, Debergh D, Kaplan M, Kimball E, Olvera C; Pediatric Guidelines Sub-Committee for the World Society of Abdominal Compartment Syndrome. Intra-abdominal hypertension and the abdominal compartment syndrome: updated consensus definitions and clinical practice guidelines from the World Society of the Abdominal Compartment Syndrome. Intensive Care Med (2013) 39:1190–1206 Carstairs SD, Griffith EA, Alayin T, Ejike JC, Cantrell FL. Recurrent seizure activity in a child after acute vilazodone ingestion. Ann Emerg Med. 2012 Dec;60(6):819-20. Newcombe J, Mathur M, Bahjri, K, Ejike JC, Pediatric critical care nurses’ experience with abdominal compartment syndrome. Annals of Intensive Care 2012, 2(Suppl 1):S6 (Invited manuscript) Ejike JC, Mathur M, Abdominal decompression in children. Critical Care Research and Practice Volume 2012: Article ID180797, 11 pages. Doi: 10.1155/2012/180797 (Invited manuscript) Ejike JC, Mathur M, Moores DC. Abdominal compartment syndrome: Focus on the children. The Am Surg. July Suppl. 2011;77(7):S72 (Invited manuscript) Newcombe J, Mathur M, Ejike JC Abdominal compartment syndrome in children. Critical Care Nurse. 2012;32[6]:51-61 Ejike JC, Newcombe J, Baerg J, Bahjri K, Mathur M. Understanding of Abdominal Compartment Syndrome among Pediatric Health Care Providers. Critical Care Research and Practice 2010;Article ID 876013, 6 pages Ejike JC, Kadry J, Bahjri K, Mathur M. Semi-recumbent position and body mass index percentiles: effects on intra-abdominal pressure measurements in critically ill children. Intensive Care Med. 2010;36:329-335 Mathur M, Petersen L, Stadtler M, Rose C, Ejike JC, Petersen F, Tinsley C, Ashwal S. Variability in Pediatric Brain Death Determination and Documentation in Southern California. Pediatr 2008;121(3):988-993 Ejike JC, Bahjri K, Mathur M. What is the normal intra-abdominal pressure in critically ill children and how should we measure it? Crit Care Med. Jul 2008;36(7):2157-2162. Ejike JC, Humbert S, Bahjri K, Mathur M. Outcomes of children with abdominal compartment syndrome. Acta Clin Belg Suppl.2007(1):141-148. (Invited manuscript) Ejike JC, Schenkman, K. A., Seidel, K., Ramamoorthy C., Roberts, J. Cerebral Oxygenation in Pediatric Patients During Veno-arterial Extracorporeal Life Support Oxygenation. Pediatr Crit Care Med 2006;7(2):154-8 Ejike JC, Arakaki LSL, Beard DA, Ciesielski WA, Feigl EO Schenkman, K.A. Myocardial oxygenation in isolated guinea pig hearts during changes in contractility. Am J Physiol Heart Circ Physiol 288: H2062-H2067, 2005 Okpechi JC, Schenkman KA Broncho-esophageal fistula following G-tube removal by the ‘cut and push’ method. Gastrointestinal Endoscopy 2003; 58(1):134-7 Okpechi JC, Saseyi O.A. The effect of immunization on the prevalence of measles in children: A retrospective study done at Massey Street Children’s Hospital, Lagos, Nigeria, 1994 (in partial fulfillment of the award of M.B.,B.S. degree)   Abstracts   Chandnani H, Maxson I, Mittal D, Moretti A, Dinh V, Lopez M, Ejike J. Endotracheal Tube Placement Confirmation with Bedside Ultrasonography in the Pediatric Intensive Care Unit: A Validation Study. 9th World Congress on Pediatric Intensive and Critical Care 2018, Singapore. PICC8-0463. Poster Presentation. Ejike, JC, Blood A, Abd-Allah S. A light-guided technique of gastric intubation. Crit Care Med 2018;46:247 (oral presentation at SCCM, San Antonia, TX February 25, 2018) Curtis Bashkiharatee, Disha Kriplani, Rita Sheth, Danilyn Angeles, Farrukh Mirza, Donald Moores, Douglas Deming, Arlin Blood, J. Chiaka Ejike. Effects of Extracorporeal Life Support on Intra-Abdominal Pressure and Acute Kidney Injury. Oral presentation at the World Society of the Abdominal Compartment, Banff, Canada, June 15 – 17, 2017 Disha Kriplani, Salem Dehom, Jonathan Specht, Rita Sheth, Farrukh Mirza, Donald Moores, Douglas Deming, Curtis Bashkiharatee, Arlin Blood, J. Chiaka Ejike.  Relationship between Splanchnic and Renal Oxygenation in Pediatric patients on Extracorporeal Membrane Oxygenation (ECMO) who develop Acute Kidney Injury (AKI). Oral presentation at the World Society of the Abdominal Compartment, Banff, Canada, June 15 – 17, 2017 Kriplani D, Sheth R, Angeles D, Farrukh M, Moores D, Deming D, Blood A, Ejike JC. Effects of extracorporeal membrane oxygenation on intra-abdominal pressure and acute kidney injury. Oral presentation at Society of Critical Care Medicine 46th Annual Congress, Hawaii, January, 2017) Swayampakula AK, Eguchi J, Juma D, Wilson M, Ejike J. Use of external nasal dilator as an adjuvant to high flow nasal cannula oxygen therapy in children with acute bronchiolitis; A prospective randomized trial. (Oral presentation at Society of Critical Care Medicine 46th Annual Congress, Hawaii, January, 2017) Swayampakula AK, Newcombe J, Ejike J, Tinsley C, Qureshi S, Larsen C, Abd-Allah S. Retention of knowledge and skills following Pediatric Fundamental Critical Care Support training: A preliminary analysis. (Poster Presentation at Pediatric Critical Care Colloquium, New York, November, 2016) Merrick Lopez, Mudit Mathur, Douglas Deming, Cynthia Tinsley, Michelle Wilson, Melinda Pascual, Janeth C. Ejike and Shamel Abd-Allah. Impact of a Structured Interdisciplinary Bedside Rounding Process in a Pediatric Intensive Care Unit on Rounding Quality, Efficiency, Family Satisfaction and Resident Education. (Oral poster at American Academy of Pediatrics (AAP) National Conference & Exhibition, Washington DC, October, 2015) Oei G, Thomas S, Hoehn C, Kriplani D, Dehom SO, Baerg J, Xu Y, Wright C, Ejike JC. Mortality in Children with Abdominal Compartment Syndrome: Does Time in Hospital Before Laparotomy Influence Outcomes? (Oral presentation,  World  Society of the Abdominal Compartment, Ghent, Belgium, May 2015) Kriplani D, Oei G, Thomas S, Dehom SO, Xu Y, Wright C, Baerg J, Ejike JC. Effect of Early Enteral Nutrition on outcomes in children undergoing Emergent Exploratory Laparotomy. (Oral presentation,  World  Society of the Abdominal Compartment, Ghent, Belgium, May 2015 Thomas S, Kriplani D, Clarkson C, Dehom SO, Oei G, Baerg J, Wright C, Xu Y, Ejike, JC. Outcomes in Pediatric Patients with Abdominal Compartment Syndrome Following Exploratory Laparotomy. (Oral presentation,  World  Society of the Abdominal Compartment, Ghent, Belgium, May 2015 Ejike JC, Kriplani D, Yoon J, Thomas ST, Dehom SO, Oei G, Wright C, Xu Y, Baerg J. Outcomes in Children Undergoing Emergent Exploratory Laparotomies (Oral presentation,  World  Society of the Abdominal Compartment, Ghent, Belgium, May 2015 Mathur M, Bahjri K, Qureshi S, Ejike JC. The relationship between abdominal perfusion pressure and regional tissue oxygenation in children. The Am Surg. July Suppl. 2011;77(7):S109 (Oral presentation at 5th World Congress on Abdominal Compartment Syndrome, Orlando Florida, August 2011.) Ejike JC, Mathur M, Bahjri K, Huard LL, Tiras K, Taha A, Lopez MR, Moores DC. Outcomes in children managed with an open abdomen. The Am Surg. July Suppl. 2011;77(7):S111 (Oral presentation at 5th World Congress on abdominal compartment syndrome, Orlando Florida, August 2011.) Ejike JC , Newcombe JB, Heinonen S, Fuller C, Bailey LL, Razzouk A J. Modifications in surgical technique and protocol improve Norwood outcomes in a low volume institution. (Poster presentation at 5th World congress of pediatric cardiology and cardiac surgery, Australia, June 2009.) Razzouk AJ, Newcombe JB, Hasaniya NW, Bailey LL, El Tayeb OM, Ejike JC. Modifications in institutional protocols and surgical technique improve outcome of Norwood operation in a low volume institution. (Poster presentation at The Pediatric Cardiac Intensive Care Society, Miami, Florida, December, 2008) Yanni G, Shores D, Yorgin P, Sahney S, Cutler D, Shah M, Ojogho O Baron P, Franco E, Ejike J, Abd-Allah S, Mathur M, Mirza F, Tinsley C, Treiman S, Bahk T. Successful Use of Plasmapheresis Combined with Continuous Renal Replacement Therapy (CRRT) in Treating Children with Acute Hepatic Failure (AHF) and Acute-on Chronic Hepatic Failure. (Oral presentation at the XXII International Congress of the Transplant Society, Sydney, Australia 2008) Newcombe J., Mathur M., Ejike J.C. Awareness of abdominal compartment syndrome among pediatric critical care nurses. Ped. Crit. Care Med 2007: 8(3) (suppl.) A229 (Poster presentation at the 5th World Congress on Pediatric Critical Care, Switzerland) Ejike J. C., Mathur, M. Bladder volumes for accurate intra-abdominal pressure measurements in children. Acta Clinica Belgica 2007: 62(suppl 1) 062 (Oral presentation at the 3rd Bi-annual World Congress on Abdominal Compartment Syndrome in Belgium) M. Mathur, L. Petersen, M. Stadtler, C. Rose, J.C. Ejike, F Petersen and C. Tinsley. Variations in Pediatric Brain Death Declaration Practices in Southern California. Crit Care Med. 2006; 33(12): A4 Wayment M, Ejike J.C., Abd-Allah S, Disseminated community acquired methicillin resistant staphylococcus aureus in a previously healthy pediatric patient.  CHEST 2006; Suppl Vol 130 No 4:321S-322S Mathur M. Ejike J.C., Kunghar P, Wendtland C, Mirza F. Management of severe diabetic ketoacidosis in children prior to PICU admission. Crit Care Med 2006; 34(12) (suppl) A69 Ejike, J.C., Mathur, M. Patient Positioning: Does it affect Intra-abdominal Pressure Measurements in Children? Intensive Care Med 2006; 32 (supp 1) 1155 (Poster Presentation at19th Annual Congress European Society of Intensive Care Medicine, Spain, September 27, 2006) Ejike, J.C., Mathur, M. A standard volume provides accurate intra-abdominal pressure measurements in children.Intensive Care Med 2006; 32 (supp 1) 1156 (Poster Presentation at19th Annual Congress European Society of Intensive Care Medicine, Spain, September 27, 2006) Ejike, J. C., Mathur, M. Occurrence and outcome of abdominal compartment syndrome in critically ill children. Crit Care Med 2005; 33(12) (suppl), A95. (Poster presentation at 35th Critical Care Congress Meeting) Ejike, J. C., Mathur, M. Optimal bladder volumes for intra-abdominal pressure measurements in small children. Crit Care Med 2005; 33(12) (suppl) Research Citation G, A92. (Poster presentation at 35th Critical Care Congress Meeting) Ejike, J.C., Gross M. Regulated peritoneal drainage in abdominal compartment syndrome. ANZ J of Surg April 2005; 75(4) A1-A23 (Oral presentation at the 2004 World Congress on Abdominal Compartment Syndrome Meeting, Australia, December 6, 2004) Ejike, J.C., Arakaki, L.S.L., Beard, D. A., Ciesielski, W.A., Feigl, E.O. Schenkman, K.A. Myocardial hypoxia during catecholamine stimulation in the isolated perfused guinea pig heart. Pediatr Res 55(4) part 2 of 2:61A; 2004. (Poster presentation at Society of Pediatric Research, 2004) Okpechi J.C., Schenkman K.A., Seidel K., Ramamoorthy C., Roberts J. Cerebral oxygenation in pediatric patients during veno-arterial extracorporeal membrane oxygenation. Crit Care Med 2003;31(2) (suppl) Research Citation I, A79. (Poster presentation at the 32nd Critical Care Congress Meeting, 2003)             Book Reviews   1.         Okpechi J.C. Review of ‘Critical Care Study Guide Text and Review’ by Gerard J. Criner, MD and Gilbert E. D’Alonzo, DO. Crit Care Med 31(2):666-7; Feb 2003 2.         Okpechi J.C., Martin L.D. Review of ‘Airway Management of the Critically Ill, by Rade B. Vukmir, MD. Crit Care Med 31(4):1294; Apr 2003 3.         Okpechi J.C., Kim S.S., Pittaway A. J. Review of ‘Surgical Critical Care’ by Robert U. Ashford, MBBS, MRCS (glasg) and T. Neal Evans, MBBS, FRCA Crit Care Med 31(4):1294-1295; Apr 2003   (Present)