Romeo Ignacio

Title(s)Clinical Professor, Surgery
SchoolVc-health Sciences-schools
Address9500 Gilman Drive #
La Jolla CA 92093
ORCID ORCID Icon0000-0001-7259-8679 Additional info
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    Collapse Biography 
    Collapse Awards and Honors
    University of California San Diego School of Medicine2019  - 2021HCOE Faculty Scholar Award
    American Academy of Pediatrics2019116th Congress New Representative Scholarship
    American College of Surgeons2018American College of Surgeons Master Surgeon Educators
    Naval Medical Center San Diego2018Outstanding Graduate Medical Education Program Director
    Naval Medical Center San Diego2018Allshouse-Jones Teaching Award
    Naval Medical Center San Diego2017Allshouse-Jones Teaching Award
    Naval Medical Center San Diego2016Admiral State Teaching Award
    Naval Medical Center San Diego2015Allshouse-Jones Teaching Award
    Naval Medical Center San Diego2013Allshouse-Jones Teaching Award
    Naval Medical Center San Diego2013Intern Mentor of the Year Award
    Naval Medical Center San Diego2012Admiral Stitt Teaching Award
    Naval Medical Center San Diego2012Intern Mentor of the Year Award
    Naval Medical Center San Diego2011Admiral Sturtz Excellence in Teaching Award
    Naval Medical Center San Diego2010Allshouse-Jones Teaching Award
    Naval Medical Center San Diego2010Intern Mentor of the Year Award
    University of Louisville School of Medicine2009Arnold P. Gold Foundation's Humanism and Excellence in Teaching Award
    Naval Medical Center Portsmouth2001Recognition of Outstanding Teachers

    Collapse Overview 
    Collapse Overview
    Dr. Ignacio joined the Department of Surgery at UCSD School of Medicine in 2019 as a staff pediatric surgeon. He serves as the Trauma Medical Director/Surgical Director of Pediatric Intensive Care Unit at Rady Children's Hospital San Diego. He retired from the U.S. Navy with over 20 years of experience and has extensive accomplishments in graduate medical education, global surgery, military medicine, and pediatric surgery.

    During his leadership in the military, CAPT(Ret.) Ignacio served as the Program Director for General Surgery at Naval Medical Center San Diego (NMCSD). Prior to this he served as the Associate Program Director, Division Chair of Pediatric Surgery, and the Uniformed Services University of Health Sciences medical student clerkship director at NMCSD. He is currently appointed as an Associate Clinical Professor in the Division of Trauma, Surgical Critical Care, Burns, and Acute Care Surgery.

    Board Certified in both General Surgery and Pediatric Surgery by the American Board of Surgery, Dr. Ignacio is a member of American College of Surgeons, American Pediatric Surgical Association, American Academy of Pediatrics, Pacific Association of Pediatric Surgeons, International Pediatric Endosurgery Group, Society of American Gastrointestinal and Endoscopic Surgeons, Association of Military Surgeons of the United States, Pediatric Trauma Society, and Pacific Coast Surgical Association. He also serves as a consultant for the American Board of Surgery.

    Dr. Ignacio has a strong interest in humanitarian missions and was selected as Director of Surgical Services (MERCEX 2010), Advance Team Lead surgeon, Designated Institutional Officer, and solo military pediatric surgeon in the Pacific Partnership 2012 humanitarian mission, which provided medical care to >100,000 patients in host nations and surgical care to over 800 patients in Indonesia, Vietnam, Cambodia, and the Philippines. He has also participated in civilian humanitarian missions in Central and South America. He currently volunteers as a surgical provider for annual humanitarian missions in Guatemala.

    Dr. Ignacio has been an outstanding leader and mentor to residents, interns, and medical students. His impressive role as a surgical educator has been demonstrated by his numerous teaching awards: Arnold P. Gold Foundation's Humanism and Excellence in Teaching Award (2009), General Surgery Mentor of the Year Award (2010, 2012, and 2013), Allshouse-Jones Teaching Award (2010, 2013, 2015, 2017, 2018), Admiral Stitt Teaching Award (2012, 2016), and the Donald L. Sturtz Excellence in Teaching Award (2011) and the Naval Medical Center San Diego Master Clinician Award (2012). At the end of his program directorship, he was awarded the Outstanding Graduate Medical Education Program Director in 2018. In that same year, he became an inaugural associate member for the prestigious American College of Surgeons Master Surgeon Educators society.

    Collapse Research 
    Collapse Research Activities and Funding
    Assessing Outcomes and Health Care Disparities among Hispanic Trauma Patients along the California and Mexico Border. A Phase II study
    Rady Children's Hospital San Diego May 1, 2021 - May 1, 2022
    Role: Principal Investigator
    Role Description: Multi-institutional study to evaluate the associated mechanisms of injury in Hispanic Patients in high deprivation areas in San Diego and determining trauma outcomes. Award amount: $50K
    Evaluating the Clinical Outcomes of Discrepant Radiology Reviews in Pediatric Trauma Patients: A Quality Improvement Project
    University of California School of Medicine NoneJul 1, 2019 - Sep 15, 2019
    Role: Principal investigator/Preceptor
    Role Description: University of California School of Medicine Summer Fellowship Program. Funding for Medical student (John Perry) research in evaluating discrepant radiology results to pediatric trauma outcomes. Role: Principal investigator and preceptor Amount: $5K
    Augmented Reality to Enable Remote Integrated Surgery (ARTEMIS)
    DOD DP_67.2_17_L_17_J9_1650May 1, 2018 - May 1, 2020
    Role: Co-investigator
    Role Description: DP_67.2_17_L_17_J9_1650. JPC 6.7 research task area. Dr. Konrad Davis (Primary Investigator) designed proposal, wrote this intramural submission. Evaluating the role of augmented reality platforms for training and assisting medical personnel for surgical procedures in the combat and deployed setting 2018 – 2020. Role: Co-investigator Award amount: $768K

    Collapse ORNG Applications 
    Collapse Featured Publications
    Collapse Faculty Mentoring

    Collapse Bibliographic 
    Collapse Publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
    Newest   |   Oldest   |   Most Cited   |   Most Discussed   |   Timeline   |   Field Summary   |   Plain Text
    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Attitudes Affecting Decision-making for Use of Radiologic Enteral Contrast in the Management of Pediatric Adhesive Small Bowel Obstruction: A Survey Study of Pediatric Surgeons. J Surg Res. 2021 Jul 10; 267:536-543. Acker SN, Diaz-Miron J, Ignacio RC, Russell KW, Lofberg K, Shew SB, Peterson PN, Kelley-Quon LI, Jensen AR, Lee J, Padilla B, Smith CA, Kastenberg ZJ, Azarow KS, Ostlie DJ, Wang KS, Inge TH, Western Pediatric Surgery Research Consortium . PMID: 34256196.
      View in: PubMed   Mentions:    Fields:    
    2. Expanding the genotypic spectrum of ACTG2-related visceral myopathy. Cold Spring Harb Mol Case Stud. 2021 06; 7(3). James KN, Lau M, Shayan K, Lenberg J, Mardach R, Ignacio R, Halbach J, Choi L, Kumar S, Ellsworth KA. PMID: 33883208.
      View in: PubMed   Mentions:    Fields:    
    3. Extremes of age are associated with differences in the expression of selected pattern recognition receptor genes and ACE2, the receptor for SARS-CoV-2: implications for the epidemiology of COVID-19 disease. BMC Med Genomics. 2021 05 24; 14(1):138. Bickler SW, Cauvi DM, Fisch KM, Prieto JM, Sykes AG, Thangarajah H, Lazar DA, Ignacio RC, Gerstmann DR, Ryan AF, Bickler PE, De Maio A. PMID: 34030677.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansCells
    4. J Pediatr Surg Case Rep. Laparoscopic duodenojejunostomy for superior mesenteric artery syndrome in a 13 year-old boy. 2021. Prieto JM, Halbach JL, Ignacio RC, Lazar DA.
    5. Identifying risk factors for enteral access procedures in neonates with congenital diaphragmatic hernia: A novel risk-assessment score. J Pediatr Surg. 2021 Jun; 56(6):1130-1134. Prieto JM, Harting MT, Calvo RY, Carroll JM, Sykes AG, Ignacio RC, Ebanks AH, Lazar DA, Congenital Diaphragmatic Hernia Study Group . PMID: 33745741.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    6. An Analysis of Essential Pediatric Surgical Cases Encountered During a Decade of Large-Scale Military Humanitarian Aid Missions. Mil Med. 2020 12 30; 185(11-12):e2143-e2149. Gaidry AD, Lizardo RE, Prieto JM, Brill JB, Hernandez AA, Moore HN, Henry MC, Ricca RL, Thangarajah H, Bickler SW, Ignacio RC. PMID: 32856051.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    7. Challenges in Oncologic Preparedness: A Retrospective Review of Incident Surgical Cancers During Pacific Partnership Missions, 2008-2016. Mil Med. 2020 Dec 29. Reichl A, Schutt R, Walsh J, Prieto J, Sykes AG, Bickler S, Ignacio R. PMID: 33372673.
      View in: PubMed   Mentions:    Fields:    
    8. Ovarian volume ratio is a reliable predictor of ovarian torsion in girls without an adnexal mass. J Pediatr Surg. 2021 Jan; 56(1):180-182. Hartman SJ, Prieto JM, Naheedy JH, Ignacio RC, Bickler SW, Kling KM, Saenz NC, Fairbanks TJ, Lazar DA. PMID: 33121739.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    9. Nationwide analysis of resuscitative thoracotomy in pediatric trauma: Time to differentiate from adult guidelines? J Trauma Acute Care Surg. 2020 10; 89(4):686-690. Prieto JM, Van Gent JM, Calvo RY, Rooney AS, Martin MJ, Sise MJ, Sise CB, Lazar DA, Bansal V, Ignacio RC. PMID: 33017132.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    10. Patience is a virtue: Multiple preoperative visits are associated with decreased recurrence in pediatric pilonidal disease. J Pediatr Surg. 2021 May; 56(5):888-891. Prieto JM, Thangarajah H, Ignacio RC, Bickler SW, Kling KM, Saenz NC, Garcia SV, Lazar DA. PMID: 33046223.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    11. Safe cholecystectomy multi-society practice guideline and state-of-the-art consensus conference on prevention of bile duct injury during cholecystectomy. Surg Endosc. 2020 07; 34(7):2827-2855. Michael Brunt L, Deziel DJ, Telem DA, Strasberg SM, Aggarwal R, Asbun H, Bonjer J, McDonald M, Alseidi A, Ujiki M, Riall TS, Hammill C, Moulton CA, Pucher PH, Parks RW, Ansari MT, Connor S, Dirks RC, Anderson B, Altieri MS, Tsamalaidze L, Stefanidis D, Prevention of Bile Duct Injury Consensus Work Group . PMID: 32399938.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    12. Pediatric extremity vascular trauma: It matters where it is treated. J Trauma Acute Care Surg. 2020 04; 88(4):469-476. Prieto JM, Van Gent JM, Calvo RY, Checchi KD, Wessels LE, Sise MJ, Sise CB, Bansal V, Martin MJ, Ignacio RC. PMID: 31977991.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    13. Towards defining the surgical workforce for children: a geospatial analysis in Brazil. BMJ Open. 2020 03 24; 10(3):e034253. Rocha TAH, Vissoci J, Rocha N, Poenaru D, Shrime M, Smith ER, Rice HE, Global Initiative for Children’s Surgery . PMID: 32209626.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    14. Practical Bioethics for the Humanitarian Surgeon: The Development, Implementation and Assessment of an Ethics Curriculum for Residents Participating in Humanitarian Missions. J Surg Educ. 2020 Mar - Apr; 77(2):390-403. McDonald VS, Ignacio RC, Kuettel MA, Schlitzkus LL, Sullivan ME, Tadlock MD. PMID: 31889690.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    15. Patient-oriented online resources in pediatric surgery: Are we failing the readability test? J Pediatr Surg. 2020 Oct; 55(10):2048-2051. Prieto JM, West-Santos C, Montgomery AS, Patwardhan U, Lazar DA, Thangarajah H, Bickler SW, Huang EY, Fairbanks TJ, Ignacio RC. PMID: 31952681.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    16. Evaluating surgical outcomes in pediatric extremity vascular trauma. J Pediatr Surg. 2020 Feb; 55(2):319-323. Prieto JM, Van Gent JM, Calvo RY, Checchi KD, Wessels LE, Sise CB, Sise MJ, Bansal V, Ignacio RC. PMID: 31761459.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    17. Attrition Rate in Military General Surgery GME and Effect on Quality of Military Programs. J Surg Educ. 2019 Nov - Dec; 76(6):e49-e55. Rolland G, Ahnfeldt EP, Chestnut CH, Cromer RM, Faler BJ, Galusha AD, Ignacio RC, Kellicut DC, Lammers DT, Platz TA, Propper BW, Rawlins ML, Sweeney WB, Ritter EM. PMID: 31492639.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    18. Premenarchal patients present differently: A twist on the typical patient presenting with ovarian torsion. J Pediatr Surg. 2019 Dec; 54(12):2614-2616. Prieto JM, Kling KM, Ignacio RC, Bickler SW, Fairbanks TJ, Saenz NC, Nicholson SI, Lazar DA. PMID: 31500875.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    19. Laparoscopic ventricular-cholecystic shunt. Journal of Pediatric Surgery Case Reports. 2019; 47:1-5. Romeo C.IgnacioJr., Sophia M.V. Schermerhorn, Alexander J. Marrotte, James M.Prieto. View Publication.
    20. Trephination versus wide excision for the treatment of pediatric pilonidal disease. J Pediatr Surg. 2020 Apr; 55(4):747-751. Prieto JM, Checchi KD, Kling KM, Ignacio RC, Bickler SW, Saenz NC, Fairbanks TJ, Nicholson SI, Lazar DA. PMID: 31301885.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    21. The History of Surgical Staplers: A Combination of Hungarian, Russian, and American Innovation. Am Surg. 2019 Jun 01; 85(6):563-566. Gaidry AD, Tremblay L, Nakayama D, Ignacio RC. PMID: 31267894.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    22. Global Initiative for Children's Surgery: A Model of Global Collaboration to Advance the Surgical Care of Children. World J Surg. 2019 06; 43(6):1416-1425. Global Initiative for Children’s Surgery . PMID: 30623232.
      View in: PubMed   Mentions: 14     Fields:    Translation:Humans
    23. Optimal Resources for Children's Surgical Care: Executive Summary. World J Surg. 2019 Apr; 43(4):978-980. Global Initiative for Children’s Surgery . PMID: 30725368.
      View in: PubMed   Mentions: 10     Fields:    Translation:Humans
    24. Evaluating a Health Care Disparity Among Marine Recruits Treated for Acute Appendicitis. Mil Med. 2019 01 01; 184(1-2):e186-e189. Prieto JM, Thompson KA, Wessels L, Moore HN, Hannon MP, Ignacio RC. PMID: 29982574.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    25. Operative treatment for intussusception: Should an incidental appendectomy be performed? J Pediatr Surg. 2019 Mar; 54(3):495-499. Wang A, Prieto JM, Ward E, Bickler S, Henry M, Kling K, Thangarajah H, Ignacio R. PMID: 30583859.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    26. A multimodal approach improves American Board of Surgery In-Training Examination scores. Am J Surg. 2018 Feb; 215(2):315-321. Decoteau MA, Rivera L, Umali K, Chan AD, Soballe P, Ignacio RC. PMID: 29275907.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    27. Abdominoscrotal hydrocele: A systematic review. J Pediatr Surg. 2016 Sep; 51(9):1561-4. Doudt AD, Kehoe JE, Ignacio RC, Christman MS. PMID: 27421822.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    28. Protocol Standards for Reporting Video Data in Academic Journals. Acad Med. 2016 Apr; 91(4):485-90. Rowland PA, Ignacio RC, de Moya MA. PMID: 26675190.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    29. Trichobezoars Detected and Treated Based on Plain Radiography. Mil Med. 2015 Oct; 180(10):e1136-8. Barrows A, Vachon T, Campin RC, Ignacio RC. PMID: 26444484.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    30. An unusual presentation of pediatric osteoblastoma in a patient with Klippel-Trenaunay-Weber syndrome: case report. J Neurosurg Pediatr. 2015 Jun; 15(6):638-40. Wallace SA, Ignacio RC, Klugh A, Gates G, Henry MC. PMID: 26030331.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    31. Integration of Surgical Residency Training With US Military Humanitarian Missions. J Surg Educ. 2015 Sep-Oct; 72(5):898-903. Jensen S, Tadlock MD, Douglas T, Provencher M, Ignacio RC. PMID: 25623551.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    32. Improvement of tracheal compression after pectus excavatum repair. Pediatr Surg Int. 2013 Sep; 29(9):957-9. Miyano G, Ignacio RC, Wood RE, Inge TH. PMID: 23708973.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    33. Incidental persistent omphalomesenteric (vitelline) artery during laparoscopic appendectomy in an adult. Am Surg. 2013 Jan; 79(1):E10-1. Syres KM, Potochny EM, Ignacio RC. PMID: 23317587.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    34. Diverticulitis in a child with Williams syndrome: a case report and review of the literature. J Pediatr Surg. 2012 Sep; 47(9):E33-5. Ignacio RC, Klapheke WP, Stephen T, Bond S. PMID: 22974633.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    35. Atypical location of giant dermoid cyst of the neck. Am Surg. 2010 Aug; 76(8):E120-1. Maki A, Wiesenauer CA, Ignacio RC. PMID: 21513630.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    36. Laparoscopic repair of bilateral congenital diaphragmatic hernia of Morgagni in a newborn. Am Surg. 2010 Feb; 76(2):215-6. Ignacio RC, Nagaraj HS, Downard CD. PMID: 20336904.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    37. Breast disorders in children and adolescents. J Pediatr Adolesc Gynecol. 2008 Dec; 21(6):311-6. Fallat ME, Ignacio RC. PMID: 19064223.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    38. Splenic syndrome: a rare indication for splenectomy. Mil Med. 2008 Dec; 173(12):1233-7. Pothula V, Saegusa E, Takekoshi D, Edson T, Ignacio R. PMID: 19149345.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    39. Primary hepatic carcinoid tumor in children. J Pediatr Surg. 2008 Nov; 43(11):e25-8. Foley DS, Sunil I, Debski R, Ignacio RC, Nagaraj HS. PMID: 18970916.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    40. A case report of severe tracheal obstruction requiring extracorporeal membrane oxygenation. J Pediatr Surg. 2006 Oct; 41(10):E1-4. Ignacio RC, Falcone RA, Brown RL. PMID: 17011250.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    41. The effect of a right-sided aortic arch on outcome in children with esophageal atresia and tracheoesophageal fistula. J Pediatr Surg. 2006 Mar; 41(3):479-83. Allen SR, Ignacio R, Falcone RA, Alonso MH, Brown RL, Garcia VF, Inge TH, Ryckman FC, Warner BW, Azizkhan RG, Tiao GM. PMID: 16516619.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    42. Necrotizing fasciitis: a rare complication of neonatal necrotizing enterocolitis. J Pediatr Surg. 2005 Nov; 40(11):1805-7. Ignacio RC, Falcone RA, Warner BW. PMID: 16291176.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    43. Evidence-based care guideline for medical management of Very low birth weight infants at risk for NEC. 2005. Necrotizing Enterocolitis (NEC) Guideline Team, Cincinnati Children’s Hospital Medical Center. View Publication.
    44. Laparoscopic versus open appendectomy: what is the real difference? Results of a prospective randomized double-blinded trial. Surg Endosc. 2004 Feb; 18(2):334-7. Ignacio RC, Burke R, Spencer D, Bissell C, Dorsainvil C, Lucha PA. PMID: 14691696.
      View in: PubMed   Mentions: 42     Fields:    Translation:HumansCTClinical Trials
    45. The incidence of positive peritoneal cytology in colon cancer: a prospective randomized blinded trial. Am Surg. 2002 Nov; 68(11):1018-21. Lucha PA, Ignacio R, Rowley D, Francis M. PMID: 12455799.
      View in: PubMed   Mentions:    Fields:    Translation:HumansCTClinical Trials
    46. Apparent lack of correlation between tyramine and phenylethylamine content and the occurrence of food-precipitated migraine. Reexamination of a variety of food products frequently consumed in the United States and commonly restricted in tyramine-free diets. Headache Quarterly, Current Treatment and Research. 1996; 3(7):239-249. Mosnaim, A.D., Freitag, F., Ignacio, R., Salas, M.A., Karoum, F., Wolf, M.E. and Diamond, S.
    47. Plasma methionine-enkephalin in PTSD. Biol Psychiatry. 1991 Feb 01; 29(3):305-7. Wolf ME, Mosnaim AD, Puente J, Ignacio R. PMID: 2015338.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    48. Methionine-enkephalin in post-traumatic stress disorder. Plasma levels and degradation. Res. Comm. Psychology, Psychiatry and Behavior. 1990; 1-2(15):73-38. Wolf, M.E., Mosnaim, A.D., Puente, J. and Ignacio, R.: .
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