Research Topics
| Alberto PenaSummaryAffiliation: Cincinnati Children's Hospital Medical Center Country: USA Publications
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Detail Information
Publications
Surgical management of cloacal malformationsAlberto Pena
Department of Pediatric Surgery, Schneider Children s Hospital, 269 01, 76th Avenue, New Hyde Park, NY 11040, USA
Semin Neonatol 8:249-57. 2003..All patients must be followed on a long-term basis in order to evaluate sexual function and care for obstetric issues...- Outcomes from the correction of anorectal malformationsMarc A Levitt
Division of Pediatric Surgery, Cincinnati Children s Hospital Medical Center, Ohio 45229, USA
Curr Opin Pediatr 17:394-401. 2005..This review describes recent advances in the management of anorectal malformations, including prenatal diagnosis, newborn treatment, surgical correction, and postoperative care... 
The transpubic approach for the correction of complex anorectal and urogenital malformationsAlberto Pena
Cincinnati Children s Hospital Medical Center, Cincinnati, OH 45229, USA
J Pediatr Surg 46:2316-20. 2011..The transpubic approach has been used mainly to treat urethral injuries and prostate cancer. There are no reports describing this approach in anorectal malformations...- Posterior cloaca--further experience and guidelines for the treatment of an unusual anorectal malformationAlberto Pena
The Colorectal Center for Children, Division of Pediatric Surgery, Cincinnati Children s Hospital Medical Center, Cincinnati, OH 45229 3039, USA
J Pediatr Surg 45:1234-40. 2010..The term posterior cloaca refers to a malformation in which the urethra and vagina are fused, forming a urogenital sinus that deviates posteriorly to open in the anterior rectal wall or immediately anterior to the anus... - Reoperations in Hirschsprung diseaseAlberto Pena
Department of Pediatric Surgery, Colorectal Center for Children, Cincinnati Children s Hospital, Cincinnati, OH 45229, USA
J Pediatr Surg 42:1008-13; discussion 1013-4. 2007..We sought to identify causes of preventable complications related to operations for Hirschsprung disease... - Reoperations in anorectal malformationsAlberto Pena
Department of Pediatric Surgery, Colorectal Center for Children, Cincinnati Children s Hospital, Cincinnati, OH 45229, USA
J Pediatr Surg 42:318-25. 2007.... - Colostomy in anorectal malformations: a procedure with serious but preventable complicationsAlberto Pena
Colorectal Center for Children Cincinatti Children s Hospital Medical Center, Surgery and Pediatrics University of Cincinnati, Cincinnati, OH 45229, USA
J Pediatr Surg 41:748-56; discussion 748-56. 2006..The procedure is associated with several significant complications... - The appendix as a conduit for antegrade continence enemas in patients with anorectal malformations: lessons learned from 163 cases treated over 18 yearsShawn J Rangel
Department of Pediatric Surgery, Children s Hospital Boston, Harvard School of Medicine, Boston, MA 02115, USA
J Pediatr Surg 46:1236-42. 2011..The purpose of this study was to examine our experience with the ACE procedure using the appendix as a catheterizable conduit in children with anorectal malformations (ARMs)... - Rectal atresia and stenosis: unique anorectal malformationsMiller Hamrick
Division of Pediatric Surgery, Colorectal Center for Children, Cincinnati Children s Hospital Medical Center, Cincinnati, OH 45229, USA
J Pediatr Surg 47:1280-4. 2012..We present a surgical technique for the management of these patients, as well as their unique clinical concerns and outcomes... - Management of H-type rectovestibular and rectovaginal fistulasTaiwo A Lawal
Colorectal Center for Children, Cincinnati Children s Hospital Medical Center, Cincinnati, OH 45229, USA
J Pediatr Surg 46:1226-30. 2011..We describe our approach and outcome in the management of these patients... - Acquired posterior urethral diverticulum following surgery for anorectal malformationsShumyle Alam
Division of Pediatric Urology, Cincinnati Children s Hospital Medical Center, Cincinnati, OH 45229 3039, USA
J Pediatr Surg 46:1231-5. 2011..One complication, the posterior urethral diverticulum, may have untoward consequences if not recognized and treated... - Cloacal exstrophy--pull-through or permanent stoma? A review of 53 patientsMarc A Levitt
Colorectal Center for Children, Cincinnati Children s Hospital Medical Center, Cincinnati, OH 45229, USA
J Pediatr Surg 43:164-8; discussion 168-70. 2008.... - Pitfalls and challenges of cloaca repair: how to reduce the need for reoperationsMarc A Levitt
Division of Pediatric Surgery, Colorectal Center for Children, Cincinnati Children s Hospital Medical Center, Cincinnati, OH 45229, USA
J Pediatr Surg 46:1250-5. 2011..We have encountered a unique group of complications in referred patients after failed attempted repairs elsewhere and chose to review this experience with the hope of identifying pitfalls to avoid during the primary repair... - Neoappendicostomy in the management of pediatric fecal incontinenceKaveer Chatoorgoon
Colorectal Center for Children, Cincinnati Children s Hospital Medical Center, Cincinnati, OH 45229, USA
J Pediatr Surg 46:1243-9. 2011..In patients whose appendix has been removed, a neo-appendix can be created. We describe our approach and experience with this procedure as an option for surgeons managing children with fecal incontinence... - Cloacal malformations: lessons learned from 490 casesMarc A Levitt
Division of Pediatric Surgery, Colorectal Center for Children, Cincinnati Children s Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio 45229, USA
Semin Pediatr Surg 19:128-38. 2010..Surgeons who repair Group B malformations require special training in urology; the operations are prolonged and technically demanding, and the functional results are not as good as in group A... - Evaluation and treatment of the patient with Hirschsprung disease who is not doing well after a pull-through procedureMarc A Levitt
Division of Pediatric Surgery, Colorectal Center for Children, Cincinnati Children s Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio 45229, USA
Semin Pediatr Surg 19:146-53. 2010..Both of these patient types can be systematically treated with a combination of bowel management, dietary changes, and laxatives, and, potentially, a redo operation, with the goal of having a clean, and happy child... - Surgery and constipation: when, how, yes, or no?Marc A Levitt
Division of Pediatric Surgery, Cincinnati Children s Hospital Medical Center, Cincinnati, Ohio, USA
J Pediatr Gastroenterol Nutr 41:S58-60. 2005 - The Hirschsprungs patient who is soiling after what was considered a "successful" pull-throughMarc A Levitt
Colorectal Center for Children, Cincinnati Children s Hospital Medical Center, Division of Pediatric Surgery, Department of Surgery, University of Cincinnati, Cincinnati, OH 45229, USA
Semin Pediatr Surg 21:344-53. 2012..These patients can be systematically evaluated and successfully treated with a combination of bowel management, dietary changes, and laxatives, and, in certain circumstances, a reoperation... - Redo pull-through in Hirschsprung's [corrected] disease for obstructive symptoms due to residual aganglionosis and transition zone bowelTaiwo A Lawal
Colorectal Center for Children, Cincinnati Children s Hospital Medical Center, Cincinnati, OH 45229, USA
J Pediatr Surg 46:342-7. 2011..We aimed to review the management of patients who had this complication and offer suggestions on how to avoid it... 
Prenatal counseling for cloaca and cloacal exstrophy-challenges faced by pediatric surgeonsAndrea Bischoff
Colorectal Center for Children, Division of Pediatric Surgery, Cincinnati Children s Hospital Medical Center, 3333 Burnet Avenue, ML 2023, Cincinnati, OH 45229, USA
Pediatr Surg Int 28:781-8. 2012..The purpose of this review is to analyze our experience in prenatally diagnosed cloaca or cloacal exstrophy and to provide some guidelines for prenatal counseling of these complex congenital anomalies...- MRI of acquired posterior urethral diverticulum following surgery for anorectal malformationsDaniel J Podberesky
Department of Radiology, Cincinnati Children s Hospital Medical Center, 3333 Burnet Ave, Cincinnati, OH 45229, USA
Pediatr Radiol 41:1139-45. 2011..Posterior urethral diverticulum (PUD) is one of the most common postoperative complications associated with anorectal malformation (ARM) correction... - Hydrocolpos in cloacal malformationsAndrea Bischoff
Colorectal Center for Children, Division of Pediatric Surgery, Cincinnati Children s Hospital Medical Center, ML 2023, Cincinnati, OH, USA
J Pediatr Surg 45:1241-5. 2010..The purpose of this report is to increase the index of suspicion for hydrocolpos in patients with cloaca and to describe our approach for its treatment with the hope that errors in the management of hydrocolpos can be avoided... - Laparoscopic-assisted Malone appendicostomy in the management of fecal incontinence in childrenTaiwo A Lawal
Division of Pediatric Surgery, Department of Surgery, Colorectal Center for Children, Cincinnati Children s Hospital Medical Center, University of Cincinnati, Cincinnati, Ohio 45229, USA
J Laparoendosc Adv Surg Tech A 21:455-9. 2011..We present our experience using this approach for fecal incontinence patients and technical modifications to reduce complications... - Colonic inertia disorders in pediatricsAlberto Pena
Division of Pediatric Surgery, Schneider Children s Hospital, North Shore Long Island Jewish Health System and Albert Einstein College of Medicine, New Hyde Park, New York, USA
Curr Probl Surg 39:666-730. 2002 - Complex cloacal malformations: use of rotational fluoroscopy and 3-D reconstruction in diagnosis and surgical planningManish N Patel
Division of Interventional Radiology, Department of Radiology, Cincinnati Children s Hospital Medical Center, 3333 Burnet Ave, Cincinnati, OH 45229, USA
Pediatr Radiol 42:355-63. 2012.... - Laparoscopy and its use in the repair of anorectal malformationsAndrea Bischoff
Colorectal Center for Children, Division of Pediatric Surgery, Cincinnati Children s Hospital Medical Center, Cincinnati, Ohio 45229, USA
J Pediatr Surg 46:1609-17. 2011..There remains a significant debate about whether these expectations have been fulfilled... - Total colonic aganglionosis: a surgical challenge. How to avoid complications?Andrea Bischoff
Division of Pediatric Surgery, Colorectal Center for Children, Cincinnati Children s Hospital Medical Center, 3333 Burnet Avenue, ML 2023, Cincinnati, OH 45229, USA
Pediatr Surg Int 27:1047-52. 2011..Long-term results are suboptimal and complications are very common. We analyzed our experience to formulate recommendations to achieve better results and avoid complications and sequelae... - Transanal rectosigmoid resection for severe intractable idiopathic constipationMarc A Levitt
Division of Pediatric General and Thoracic Surgery, Cincinnati Children s Hospital Medical Center, Cincinnati, OH 45229, USA
J Pediatr Surg 44:1285-90; discussion 1290-1. 2009..Idiopathic constipation is a source of significant morbidity in children. A subset of patients is refractory to medical therapy and requires surgical intervention. We present a novel surgical technique for the management of these patients... - Rectovestibular fistula--rarely recognized associated gynecologic anomaliesMarc A Levitt
Department of Pediatric Surgery, Colorectal Center for Children, Cincinnati Children s Hospital Medical Center, Cincinnati, OH 45229, USA
J Pediatr Surg 44:1261-7; discussion 1267. 2009..Associated gynecologic defects are rarely mentioned in the literature but may have serious clinical implications if undetected. The definitive repair of the ARM offers an opportunity for diagnosis and treatment of these conditions... - Hirschsprung disease and fecal incontinence: diagnostic and management strategiesMarc A Levitt
Department of Surgery, Colorectal Center for Children, Cincinnati Children s Hospital Medical Center, University of Cincinnati College of Medicine, OH 45229, USA
J Pediatr Surg 44:271-7; discussion 277. 2009..If it does, it presents a formidable challenge. The purpose of this study was to describe the causes of fecal incontinence and present our algorithm for its treatment... - Vaginal switch--a useful technical alternative to vaginal replacement for select cases of cloaca and urogenital sinusAndrea Bischoff
Colorectal Center for Children, Division of Pediatric Surgery, Cincinnati Children s Hospital Medical Center, Cincinnati, OH 45229, USA
J Pediatr Surg 48:363-6. 2013..The aim of this study was to describe the indications, technical details, and complications of a surgical maneuver designed to repair the vagina in select cases of cloaca and urogenital sinus... - Bowel management for the treatment of pediatric fecal incontinenceAndrea Bischoff
Colorectal Center for Children, Cincinnati Children s Hospital Medical Center, 3333 Burnet Avenue, ML 2023, Cincinnati, OH 45229, USA
Pediatr Surg Int 25:1027-42. 2009..The main characteristics of the program include the identification of the characteristics of the colon of each patient; finding the specific type of enema that will clean that colon and the radiological monitoring of the process... - Anorectal malformationsMarc A Levitt
Department of Pediatric Surgery, Cincinnati Children s Hospital, University of Cincinnati, Cincinnati, Ohio 45229, USA
Orphanet J Rare Dis 2:33. 2007..For these patients, an effective bowel management program, including enema and dietary restrictions has been devised to improve their quality of life... - Prenatal diagnosis of cloacal malformationsAndrea Bischoff
Colorectal Center for Children, Division of Pediatric Surgery, Cincinnati Children s Hospital Medical Center, 3333 Burnet Avenue, ML 2023, Cincinnati, OH 45229, USA
Pediatr Surg Int 26:1071-5. 2010..9% of screened cases. In cloacas, these numbers are unknown. We speculate that some images from prenatal ultrasound studies may suggest the diagnosis of cloaca, but are not recognized because of a lack of suspicion for this diagnosis... - Increased heritability of certain types of anorectal malformationsRichard A Falcone
Division of Pediatric and Thoracic Surgery, Cincinnati Children s Hospital Medical Center, Cincinnati, OH 45229 3039, USA
J Pediatr Surg 42:124-7; discussion 127-8. 2007..Various lines of evidence point to genetic causes for the diverse spectrum of anorectal malformations (ARMs); we therefore studied patterns of heritability in a large case series... - Fetal MRI clues to diagnose cloacal malformationsMaria A Calvo-Garcia
Department of Radiology, MLC 5031, Cincinnati Children s Hospital Medical Center, 3333 Burnet Ave, Cincinnati, OH 45229, USA
Pediatr Radiol 41:1117-28. 2011..Prenatal US detection of cloacal malformations is challenging and rarely confirms this diagnosis... - Treatment of fecal incontinence with a comprehensive bowel management programAndrea Bischoff
Department of Pediatric Surgery, Colorectal Center for Children, Cincinnati Children s Hospital Medical Center, Cincinnati, OH 45229, USA
J Pediatr Surg 44:1278-83; discussion 1283-4. 2009..A successful ACE may not help a patient without such management. Valuable lessons were learned by implementation of bowel management in 495 fecally incontinent patients... - The morbidity of constipation in patients with anorectal malformationsMarc A Levitt
Colorectal Center for Children, Cincinnati Children s Hospital, Division of Pediatric Surgery, University of Cincinnati, Cincinnati, Ohio 45229, USA
J Pediatr Surg 45:1228-33. 2010..Constipation in anorectal malformations (ARM) is extremely common, particularly in the lower types. Failure to adequately treat it can lead to significant morbidity... - Colostomy closure: how to avoid complicationsAndrea Bischoff
Division of Pediatric Surgery, Colorectal Center for Children, Cincinnati Children s Hospital Medical Center, 3333 Burnet Avenue, ML 2023, Cincinnati, OH 45229, USA
Pediatr Surg Int 26:1087-92. 2010..We now have focused in the morbidity related to the colostomy closure. The technical details that might have contributed to the minimal morbidity we experienced are described... - Laparoscopic-assisted PSARP - the advantages of combining both techniques for the treatment of anorectal malformations with recto-bladderneck or high prostatic fistulasAndrea Bischoff
Division of Pediatric Surgery, Colorectal Center for Children, Cincinnati Children s Hospital Medical Center, Cincinnati, OH 45229, USA
J Pediatr Surg 48:367-71. 2013..The aim of this study was to present an alternative way to use both the posterior sagittal approach combined with laparoscopy for the repair of select cases of anorectal malformation (ARM)... - The posterior sagittal approach for recurrent genitourinary pathologyShumyle Alam
Department of Pediatric Surgery, Cincinnati Children s Medical Center, Cincinnati, Ohio, USA
J Urol 178:1668-71; discussion 1671. 2007..In the setting of revisional surgery abdominal or perineal approaches may not provide the same level of exposure to the lower urinary tract...