Anas Bitar

Interests

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Courses

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Scholarly Contributions

Journals/Publications

• Mullin, S., Rabah, R., Malas, S., & Bitar, A. (2016). Autoimmune Hepatitis Type 2 Associated With Positive Antimitochondrial Antibodies: An Overlap Syndrome?. Clinical pediatrics, 55(5), 479-82.
• Bitar, A., Grunow, J., Steele, M., & Sferra, T. J. (2014). Early presentation of low phospholipid-associated cholelithiasis syndrome. Clinical pediatrics, 53(2), 194-7.
• Pant, C., Deshpande, A., Olyaee, M., Anderson, M. P., Bitar, A., Steele, M. I., Bass, P. F., & Sferra, T. J. (2014). Epidemiology of acute pancreatitis in hospitalized children in the United States from 2000-2009. PloS one, 9(5), e95552.
  More info

  Single-center studies suggest an increasing incidence of acute pancreatitis (AP) in children. Our specific aims were to (i) estimate the recent secular trends, (ii) assess the disease burden, and (iii) define the demographics and comorbid conditions of AP in hospitalized children within the United States.
• Bitar, A., Altaf, M., & Sferra, T. J. (2012). Acute pancreatitis: Manifestation of acute HIV infection in an adolescent. The American journal of case reports, 13, 17-8.
  More info

  Pancreatitis in the pediatric age group is not as common as in adults. Etiologies are various and differ from those in adults. Although infectious etiology accounts for a significant number of cases of pancreatitis, acute infection with Human Immunodeficiency Virus (HIV) was rarely reported as a possible etiology for acute pancreatitis in adults. Acute pancreatitis has never been reported as a presenting manifestation of acute HIV infection in children.
• Bitar, A., Dorotan-Guevara, M. M., Lucas, V., & Snyder, C. S. (2010). Implantation of cardioverter defibrillator after percutaneous closure of atrial septal defect. Ochsner journal, 10(1), 27-31.

Presentations

• Bitar, A. (2025, April).

  Chronic Abdominal Pain of Childhood and Adolescence

  . PEDIATRICS IN THE DESERT 2025, APRIL 26TH 2025. University of Arizona – ENR2, 1064 E Lowell St, Room #S107, Tucson, AZ.
• Bitar, A. (2025, March).

  Chronic Pancreatitis & Exocrine Pancreatic Insufficiency

  . UA PEDS GI FELLOWSHIP TEACHING DAY, MARCH 11th, 2025. University of Arizona, Tucson, AZ.
• Bitar, A. (2025, March).

  Pediatric Polyps and Polyposis Syndromes

  . UA PEDS TEACHING DAY, MARCH 26TH, 2025. University of Arizona, Tucson, AZ.

Poster Presentations

• Bitar, A., Black, J., Haddadin, T., & Kelley, C. P. (2025, Nov).

  FLUSHING OUT THE PROBLEM A Standardized, Visual-Based Protocol to Improve Pediatric Bowel Preparation

  . NASPGHAN Annual Meeting & Postgraduate Course, Nov 5 - 8, 2025. Chicago, IL.
• Bitar, A., Haddadin, T., & Sun, B. (2025, Fall).

  UNRAVELING CHRONIC DIARRHEA IN MOWAT-WILSON SYNDROME:​ IS IT AUTOIMMUNE ENTEROPATHY OR DRUG-INDUCED ENTERITIS?

  . NASPGHAN Annual Meeting & Postgraduate Course, Nov 5 - 8, 2025. Chicago, IL.