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Andrea Bischoff

TitleAssociate Professor
InstitutionUniversity of Colorado Denver - Anschutz Medical Campus
DepartmentSOM-SRG

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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. Pena A, Bischoff A, de la Torre L. Reply to letter to the editor. J Pediatr Surg. 2021 Jun; 56(6):1254. PMID: 33608107.
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    2. Hall J, Schletker J, Judd-Glossy L, Edmonds T, Krause A, Simmons H, Ketzer J, Peña A, De la Torre L, Bischoff A. A review of adopted colorectal patients: a parent's perspective. Pediatr Surg Int. 2021 Apr; 37(4):431-435. PMID: 33475771.
      View in: PubMed
    3. Bischoff A, Torre L, Peña A. Letter to the Editor. J Pediatr Surg. 2021 Jun; 56(6):1255. PMID: 33509655.
      View in: PubMed
    4. Alaniz VI, Wilcox DT, Arnold M, Bodmer JL, de la Torre L, Peña A, Bischoff A. Neovagina stricture complicated by high-grade dysplasia in a patient with history of cloaca and ulcerative colitis: a case report and review of the literature. Pediatr Surg Int. 2021 Apr; 37(4):491-494. PMID: 33433664.
      View in: PubMed
    5. Judd-Glossy L, Ariefdjohan M, Ketzer J, Curry S, Schletker J, Edmonds T, Krause A, Simmons H, Pena A, De La Torre L, Bischoff A. Analysis of patients' and caregivers' psychosocial functioning in colorectal conditions: comparison of diagnosis, gender, and developmental functioning. Pediatr Surg Int. 2021 Apr; 37(4):437-444. PMID: 33423102.
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    6. Schletker J, Wiersch J, Ketzer J, Edmonds T, Krause A, Simmons H, Peña A, De La Torre L, Bischoff A. An overview of opioid usage and regional anesthesia for patients undergoing repair of anorectal malformation. Pediatr Surg Int. 2021 Apr; 37(4):457-460. PMID: 33415489.
      View in: PubMed
    7. Bischoff A, Guimaraes CVA, Mirsky DM, Santos-Jasso KA, Zaretsky MV, Ketzer J, Hall J, Mueller C, de La Torre L, Peña A, Meyers ML. Visualization of the fetal anus by prenatal ultrasound for the diagnosis of anorectal malformations: is it feasible? Pediatr Surg Int. 2021 Apr; 37(4):425-430. PMID: 33399927.
      View in: PubMed
    8. Woods C, Kapur RP, Bischoff A, Lovell M, Arnold M, Peña A, Flockton A, Sharkey KA, Belkind-Gerson J. Neurons populating the rectal extrinsic nerves in humans express neuronal and Schwann cell markers. Neurogastroenterol Motil. 2020 Dec 31; e14074. PMID: 33382200.
      View in: PubMed
    9. Morrison ZD, Reyes-Ferral C, Mansfield SA, Alemayehu H, Bowen-Jallow K, Tran S, Santos MC, Bischoff A, Perez N, Lopez ME, Langham MR, Newman EA. Diversity, Equity, and Inclusion: A strategic priority for the American Pediatric Surgical Association. J Pediatr Surg. 2021 Apr; 56(4):641-647. PMID: 33309300.
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    10. Peña A, De La Torre L, Belkind-Gerson J, Lovell M, Ketzer J, Bealer J, Bischoff A. Enema-Induced spastic left colon syndrome: An unintended consequence of chronic enema use. J Pediatr Surg. 2021 Feb; 56(2):424-428. PMID: 33199058.
      View in: PubMed
    11. De La Torre L, Zornoza M, Peña A, Bischoff A, Ketzer J, Ruiz A. Transanal rectal mucosectomy and muscular plication: A new technique for rectal prolapse in patients with an anorectal malformation. J Pediatr Surg. 2020 Nov; 55(11):2531-2535. PMID: 32586611.
      View in: PubMed
    12. Vuille-Dit-Bille RN, de La Torre L, Hall J, Ketzer J, Peña A, Bischoff A. Hirschsprung disease and anorectal malformations - An uncommon association. J Pediatr Surg. 2021 Mar; 56(3):487-489. PMID: 32507634.
      View in: PubMed
    13. Bischoff A, de La Torre L, Peña A. Comparative effectiveness of imaging modalities for preoperative assessment of anorectal malformation in the pediatric population. J Pediatr Surg. 2020 02; 55(2):354. PMID: 31718867.
      View in: PubMed
    14. Hecht S, Hall J, Ketzer J, Walker J, Trecartin A, Wilcox D, Peña A, Bischoff A. Ectopic ureters in anorectal malformations. Pediatr Surg Int. 2019 Sep; 35(9):1005-1008. PMID: 31278478.
      View in: PubMed
    15. Judd-Glossy L, Ariefdjohan M, Curry S, Ketzer J, Pena A, Bischoff A. A survey of adults with anorectal malformations: perspectives on educational, vocational, and psychosocial experiences. Pediatr Surg Int. 2019 Sep; 35(9):953-961. PMID: 31270673.
      View in: PubMed
    16. Trecartin AC, Peña A, Lovell M, Bruny J, Mueller C, Urquidi M, Bischoff A. Anal duplication: is surgery indicated? A report of three cases and review of the literature. Pediatr Surg Int. 2019 Sep; 35(9):971-978. PMID: 31256296.
      View in: PubMed
    17. Bischoff A, Alaniz VI, Trecartin A, Peña A. Vaginal reconstruction for distal vaginal atresia without anorectal malformation: is the approach different? Pediatr Surg Int. 2019 Sep; 35(9):963-966. PMID: 31256298.
      View in: PubMed
    18. Dewberry L, Trecartin A, Peña A, Pierre MS, Bischoff A. Systematic review: sacral nerve stimulation in the treatment of constipation and fecal incontinence in children with emphasis in anorectal malformation. Pediatr Surg Int. 2019 Sep; 35(9):1009-1012. PMID: 31256299.
      View in: PubMed
    19. Bischoff A, Trecartin A, Alaniz V, Hecht S, Wilcox DT, Peña A. A cloacal anomaly is not a disorder of sex development. Pediatr Surg Int. 2019 Sep; 35(9):985-987. PMID: 31256297.
      View in: PubMed
    20. Dewberry L, Peña A, Meyers ML, Mirsky DM, Bischoff A. Differentiating presacral masses in anorectal malformations and isolated sacrococcygeal teratomas. Pediatr Surg Int. 2019 Sep; 35(9):979-983. PMID: 31256295.
      View in: PubMed
    21. Bischoff A, Bealer J, Wilcox DT, Peña A. Error traps and culture of safety in anorectal malformations. Semin Pediatr Surg. 2019 Jun; 28(3):131-134. PMID: 31171146.
      View in: PubMed
    22. Goddard GR, Rymeski B, Jenkins T, Mullapudi B, Dickie BH, Bischoff A, Peña A, Levitt MA, Frischer JS. A comparison of surgical complications after appendicostomy and neoappendicostomy in pediatric patients. J Pediatr Surg. 2019 Aug; 54(8):1660-1663. PMID: 31036369.
      View in: PubMed
    23. Peña A, Bealer J, Bischoff A. Re: "Assessing the long term manometric outcomes in patients with previous laparoscopic anorectoplasty (LARP) and posterior sagittal anorectoplasty (PSARP)" by Chung, et al. JPS. Vol. 53, no. 10 October 2018?pp1933-1936. J Pediatr Surg. 2019 06; 54(6):1262. PMID: 30851957.
      View in: PubMed
    24. Peña A, Bischoff A. Commentary to "Fact or myth? The long shared common wall between the fistula and the urethra in male anorectal malformations with urethral bulbar fistula". Pediatr Surg Int. 2019 02; 35(2):253-254. PMID: 30430283.
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    25. Schletker J, Edmonds T, Jacobson R, Ketzer J, Hall J, Trecartin A, Peña A, Bischoff A. Bowel management program in patients with spina bifida. Pediatr Surg Int. 2019 Feb; 35(2):243-245. PMID: 30402681.
      View in: PubMed
    26. Bischoff A, Peña A, Ketzer J, Campbell K, O' Neill B, Stence N, Mirsky D. The conus medullaris ratio: A new way to identify tethered cord on MRI. J Pediatr Surg. 2019 Feb; 54(2):280-284. PMID: 30518494.
      View in: PubMed
    27. Acker S, Peña A, Wilcox D, Alaniz V, Bischoff A. Transition of care: a growing concern in adult patients born with colorectal anomalies. Pediatr Surg Int. 2019 Feb; 35(2):233-237. PMID: 30392127.
      View in: PubMed
    28. Dewberry L, Peña A, Mirsky D, Ketzer J, Bischoff A. Sacral agenesis and fecal incontinence: how to increase the index of suspicion. Pediatr Surg Int. 2019 Feb; 35(2):239-242. PMID: 30392128.
      View in: PubMed
    29. Peña A, Bischoff A, Wilcox D. Letter to the editor. J Pediatr Surg. 2018 08; 53(8):1639. PMID: 29793753.
      View in: PubMed
    30. Bischoff A, Brisighelli G, Dickie B, Frischer J, Levitt MA, Peña A. Idiopathic constipation: A challenging but manageable problem. J Pediatr Surg. 2018 Sep; 53(9):1742-1747. PMID: 29079312.
      View in: PubMed
    31. Bischoff A, Bealer J, Peña A. Controversies in anorectal malformations. Lancet Child Adolesc Health. 2017 Dec; 1(4):323-330. PMID: 30169187.
      View in: PubMed
    32. Cushing CC, Martinez-Leo B, Bischoff A, Hall J, Helmrath M, Dickie BH, Levitt MA, Peña A, Zeller MH, Frischer JS. Health-Related Quality of Life and Parental Stress in Children With Fecal Incontinence: A Normative Comparison. J Pediatr Gastroenterol Nutr. 2016 12; 63(6):633-636. PMID: 27027905.
      View in: PubMed
    33. Bischoff A, Frischer J, Knod JL, Dickie B, Levitt MA, Holder M, Jackson L, Peña A. Damaged anal canal as a cause of fecal incontinence after surgical repair for Hirschsprung disease - a preventable and under-reported complication. J Pediatr Surg. 2017 Apr; 52(4):549-553. PMID: 27624566.
      View in: PubMed
    34. Bischoff A, Bealer J, Peña A. Critical analysis of fecal incontinence scores. Pediatr Surg Int. 2016 Aug; 32(8):737-41. PMID: 27357400.
      View in: PubMed
    35. Samuk I, Bischoff A, Hall J, Levitt M, Peña A. Anorectal malformation with rectobladder neck fistula: A distinct and challenging malformation. J Pediatr Surg. 2016 Oct; 51(10):1592-6. PMID: 27345453.
      View in: PubMed
    36. Colares JH, Purcaru M, da Silva GP, Frota MA, da Silva CA, Melo-Filho AA, Bischoff A, Peña A. Impact of the Bowel Management Program on the quality of life in children with fecal incontinence. Pediatr Surg Int. 2016 May; 32(5):471-6. PMID: 26875175.
      View in: PubMed
    37. Bischoff A. The surgical treatment of cloaca. Semin Pediatr Surg. 2016 Apr; 25(2):102-7. PMID: 26969234.
      View in: PubMed
    38. Gupta A, Bischoff A. Pathology of cloaca anomalies with case correlation. Semin Pediatr Surg. 2016 Apr; 25(2):66-70. PMID: 26969228.
      View in: PubMed
    39. Bischoff A, DeFoor W, VanderBrink B, Goebel J, Hall J, Alonso M, Reddy P, Peña A. End stage renal disease and kidney transplant in patients with anorectal malformation: is there an alternative route? Pediatr Surg Int. 2015 Aug; 31(8):725-8. PMID: 26143408.
      View in: PubMed
    40. Bischoff A, Martinez-Leo B, Peña A. Laparoscopic approach in the management of anorectal malformations. Pediatr Surg Int. 2015 May; 31(5):431-7. PMID: 25725614.
      View in: PubMed
    41. DeFoor WR, Bischoff A, Reddy P, VanderBrink B, Minevich E, Schulte M, Sheldon C, Peña A. Chronic Kidney Disease Stage Progression in Patients Undergoing Repair of Persistent Cloaca. J Urol. 2015 Jul; 194(1):190-4. PMID: 25623743.
      View in: PubMed
    42. Gupta A, Bischoff A, Peña A, Runck LA, Guasch G. The great divide: septation and malformation of the cloaca, and its implications for surgeons. Pediatr Surg Int. 2014 Nov; 30(11):1089-95. PMID: 25217828.
      View in: PubMed
    43. Fernandez E, Bischoff A, Dickie BH, Frischer J, Hall J, Peña A. Esophageal atresia in patients with anorectal malformations. Pediatr Surg Int. 2014 Aug; 30(8):767-71. PMID: 24993283.
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    44. Bischoff A, Frischer J, Dickie BH, Peña A. Anorectal malformation without fistula: a defect with unique characteristics. Pediatr Surg Int. 2014 Aug; 30(8):763-6. PMID: 24969816.
      View in: PubMed
    45. Bischoff A, Brisighelli G, Levitt MA, Peña A. The "rescue operation" for patients with cloacal exstrophy and its variants. Pediatr Surg Int. 2014 Jul; 30(7):723-7. PMID: 24817509.
      View in: PubMed
    46. Runck LA, Method A, Bischoff A, Levitt M, Peña A, Collins MH, Gupta A, Shanmukhappa S, Wells JM, Guasch G. Defining the molecular pathologies in cloaca malformation: similarities between mouse and human. Dis Model Mech. 2014 Apr; 7(4):483-93. PMID: 24524909.
      View in: PubMed
    47. Bischoff A, Levitt MA, Breech L, Peña A. Covered cloacal exstrophy--a poorly recognized condition: hints for a correct diagnosis. J Pediatr Surg. 2013 Dec; 48(12):2389-92. PMID: 24314176.
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    48. Eradi B, Hamrick M, Bischoff A, Frischer JS, Helmrath M, Hall J, Peña A, Levitt MA. The role of a colon resection in combination with a Malone appendicostomy as part of a bowel management program for the treatment of fecal incontinence. J Pediatr Surg. 2013 Nov; 48(11):2296-300. PMID: 24210202.
      View in: PubMed
    49. Levitt MA, Hamrick MC, Eradi B, Bischoff A, Hall J, Peña A. Transanal, full-thickness, Swenson-like approach for Hirschsprung disease. J Pediatr Surg. 2013 Nov; 48(11):2289-95. PMID: 24210201.
      View in: PubMed
    50. Bischoff A, Levitt MA, Peña A. Update on the management of anorectal malformations. Pediatr Surg Int. 2013 Sep; 29(9):899-904. PMID: 23913263.
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    51. Brisighelli G, Bischoff A, Levitt M, Hall J, Monti E, Peña A. Coloboma and anorectal malformations: a rare association with important clinical implications. Pediatr Surg Int. 2013 Sep; 29(9):905-12. PMID: 23907175.
      View in: PubMed
    52. de Blaauw I, Midrio P, Breech L, Bischoff A, Dickie B, Versteegh HP, Peña A, Levitt MA. Treatment of adults with unrecognized or inadequately repaired anorectal malformations: 17 cases of rectovestibular and rectoperineal fistulas. J Pediatr Adolesc Gynecol. 2013 Jun; 26(3):156-60. PMID: 23507006.
      View in: PubMed
    53. Bischoff A, Levitt MA, Breech L, Hall J, Peña A. Vaginal switch--a useful technical alternative to vaginal replacement for select cases of cloaca and urogenital sinus. J Pediatr Surg. 2013 Feb; 48(2):363-6. PMID: 23414866.
      View in: PubMed
    54. Bischoff A, Peña A, Levitt MA. Laparoscopic-assisted PSARP - the advantages of combining both techniques for the treatment of anorectal malformations with recto-bladderneck or high prostatic fistulas. J Pediatr Surg. 2013 Feb; 48(2):367-71. PMID: 23414867.
      View in: PubMed
    55. Bischoff A, Calvo-Garcia MA, Baregamian N, Levitt MA, Lim FY, Hall J, Peña A. Prenatal counseling for cloaca and cloacal exstrophy-challenges faced by pediatric surgeons. Pediatr Surg Int. 2012 Aug; 28(8):781-8. PMID: 22878705.
      View in: PubMed
    56. Hamrick M, Eradi B, Bischoff A, Louden E, Peña A, Levitt M. Rectal atresia and stenosis: unique anorectal malformations. J Pediatr Surg. 2012 Jun; 47(6):1280-4. PMID: 22703806.
      View in: PubMed
    57. Peña A, Bischoff A, Levitt MA. The transpubic approach for the correction of complex anorectal and urogenital malformations. J Pediatr Surg. 2011 Dec; 46(12):2316-20. PMID: 22152873.
      View in: PubMed
    58. Patel MN, Racadio JM, Levitt MA, Bischoff A, Racadio JM, Peña A. Complex cloacal malformations: use of rotational fluoroscopy and 3-D reconstruction in diagnosis and surgical planning. Pediatr Radiol. 2012 Mar; 42(3):355-63. PMID: 22072072.
      View in: PubMed
    59. Bischoff A, Levitt MA, Peña A. Total colonic aganglionosis: a surgical challenge. How to avoid complications? Pediatr Surg Int. 2011 Oct; 27(10):1047-52. PMID: 21809028.
      View in: PubMed
    60. Bischoff A, Levitt MA, Peña A. Laparoscopy and its use in the repair of anorectal malformations. J Pediatr Surg. 2011 Aug; 46(8):1609-17. PMID: 21843731.
      View in: PubMed
    61. Levitt MA, Bischoff A, Peña A. Pitfalls and challenges of cloaca repair: how to reduce the need for reoperations. J Pediatr Surg. 2011 Jun; 46(6):1250-5. PMID: 21683231.
      View in: PubMed
    62. Lawal TA, Chatoorgoon K, Bischoff A, Peña A, Levitt MA. Management of H-type rectovestibular and rectovaginal fistulas. J Pediatr Surg. 2011 Jun; 46(6):1226-30. PMID: 21683227.
      View in: PubMed
    63. Rangel SJ, Lawal TA, Bischoff A, Chatoorgoon K, Louden E, Peña A, Levitt MA. The appendix as a conduit for antegrade continence enemas in patients with anorectal malformations: lessons learned from 163 cases treated over 18 years. J Pediatr Surg. 2011 Jun; 46(6):1236-42. PMID: 21683229.
      View in: PubMed
    64. Hamrick M, Helmrath M, Bischoff A, Eradi B, Levitt M, Peña A. Letter to the Editor regarding comparison of anorectal angle and continence after Georgeson and Peña procedures for high/intermediate imperforate anus. J Pediatr Surg. 2011 May; 46(5):1019-20; author reply 1018-9. PMID: 21616275.
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    65. Lawal TA, Rangel SJ, Bischoff A, Peña A, Levitt MA. Laparoscopic-assisted Malone appendicostomy in the management of fecal incontinence in children. J Laparoendosc Adv Surg Tech A. 2011 Jun; 21(5):455-9. PMID: 21366440.
      View in: PubMed
    66. Bischoff A, Levitt MA, Lim FY, Guimarães C, Peña A. Prenatal diagnosis of cloacal malformations. Pediatr Surg Int. 2010 Nov; 26(11):1071-5. PMID: 20725837.
      View in: PubMed
    67. Bischoff A, Levitt MA, Lawal TA, Peña A. Colostomy closure: how to avoid complications. Pediatr Surg Int. 2010 Nov; 26(11):1087-92. PMID: 20714731.
      View in: PubMed
    68. Bischoff A, Gupta A, D'Mello S, Mezoff A, Podberesky D, Barnett S, Keswani S, Frischer JS. Crohn's disease limited to the appendix: a case report in a pediatric patient. Pediatr Surg Int. 2010 Nov; 26(11):1125-8. PMID: 20714732.
      View in: PubMed
    69. Peña A, Bischoff A, Breech L, Louden E, Levitt MA. Posterior cloaca--further experience and guidelines for the treatment of an unusual anorectal malformation. J Pediatr Surg. 2010 Jun; 45(6):1234-40. PMID: 20620326.
      View in: PubMed
    70. Bischoff A, Levitt MA, Breech L, Louden E, Peña A. Hydrocolpos in cloacal malformations. J Pediatr Surg. 2010 Jun; 45(6):1241-5. PMID: 20620327.
      View in: PubMed
    71. Bischoff A, Tovilla M. A practical approach to the management of pediatric fecal incontinence. Semin Pediatr Surg. 2010 May; 19(2):154-9. PMID: 20307852.
      View in: PubMed
    72. Bischoff A, Levitt MA, Peña A. Bowel management for the treatment of pediatric fecal incontinence. Pediatr Surg Int. 2009 Dec; 25(12):1027-42. PMID: 19830436.
      View in: PubMed
    73. Bischoff A, Levitt MA, Bauer C, Jackson L, Holder M, Peña A. Treatment of fecal incontinence with a comprehensive bowel management program. J Pediatr Surg. 2009 Jun; 44(6):1278-83; discussion 1283-4. PMID: 19524754.
      View in: PubMed
    74. Levitt MA, Bischoff A, Breech L, Peña A. Rectovestibular fistula--rarely recognized associated gynecologic anomalies. J Pediatr Surg. 2009 Jun; 44(6):1261-7; discussion 1267. PMID: 19524751.
      View in: PubMed
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