Jacob Langer

Summary

Affiliation: The Hospital for Sick Children
Country: Canada

Publications

  1. ncbi request reprint IPEG colorectal panel
    Jacob Langer
    Hospital for Sick Children, Toronto, ON, Canada
    J Laparoendosc Adv Surg Tech A 17:77-100. 2007
  2. ncbi request reprint Evaluation and management of persistent problems after surgery for Hirschsprung disease in a child
    Roshni Dasgupta
    Division of Pediatric and Thoracic Surgery, Cincinnati Childrens Hospital Medical Center, Cincinnati, Ohio, USA
    J Pediatr Gastroenterol Nutr 46:13-9. 2008
  3. doi request reprint Hirschsprung disease
    Jacob C Langer
    Division of General and Thoracic Surgery Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
    Curr Opin Pediatr 25:368-74. 2013
  4. doi request reprint Laparoscopic and transanal pull-through for Hirschsprung disease
    Jacob C Langer
    Department of Surgery, University of Toronto, Toronto, Ontario, Canada
    Semin Pediatr Surg 21:283-90. 2012
  5. pmc Does access to care affect outcomes of appendicitis in children?--A population-based cohort study
    Teresa To
    Child Health Evaluative Sciences, Research Institute, The Hospital for Sick Children, Toronto, Ontario, Canada
    BMC Health Serv Res 10:250. 2010
  6. ncbi request reprint Abdominal wall defects
    Jacob C Langer
    Department of Pediatric General Surgery, Hospital for Sick Children, 555 University Avenue, Room 1526, Toronto, Ontario M5G 1X8, Canada
    World J Surg 27:117-24. 2003
  7. ncbi request reprint Pediatric surgery of the digestive tract: Working Group report of the second World Congress of Pediatric Gastroenterology, Hepatology, and Nutrition
    Jacob C Langer
    J Pediatr Gastroenterol Nutr 39:S695-702. 2004
  8. pmc One-stage transanal Soave pullthrough for Hirschsprung disease: a multicenter experience with 141 children
    Jacob C Langer
    Department of Surgery, University of Toronto, Toronto, Ontario, Canada
    Ann Surg 238:569-83; discussion 583-5. 2003
  9. ncbi request reprint Does pediatric surgical specialty training affect outcome after Ramstedt pyloromyotomy? A population-based study
    Jacob C Langer
    Population Health Sciences, Research Institute, Hospital for Sick Children, Toronto, Ontario, Canada
    Pediatrics 113:1342-7. 2004
  10. ncbi request reprint Cost-effectiveness analysis of weekday and weeknight or weekend shifts for assessment of appendicitis
    Andrea S Doria
    Department of Diagnostic Imaging, Hospital for Sick Children, 555 University Avenue, Toronto, ON, Canada, M5G 1X8
    Pediatr Radiol 35:1186-95. 2005

Collaborators

Detail Information

Publications55

  1. ncbi request reprint IPEG colorectal panel
    Jacob Langer
    Hospital for Sick Children, Toronto, ON, Canada
    J Laparoendosc Adv Surg Tech A 17:77-100. 2007
  2. ncbi request reprint Evaluation and management of persistent problems after surgery for Hirschsprung disease in a child
    Roshni Dasgupta
    Division of Pediatric and Thoracic Surgery, Cincinnati Childrens Hospital Medical Center, Cincinnati, Ohio, USA
    J Pediatr Gastroenterol Nutr 46:13-9. 2008
    ..These children require complex interdisciplinary care to ensure an adequate quality of life...
  3. doi request reprint Hirschsprung disease
    Jacob C Langer
    Division of General and Thoracic Surgery Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
    Curr Opin Pediatr 25:368-74. 2013
    ..Despite many advances, these children may still be difficult to diagnose, and may have ongoing functional problems after surgical correction...
  4. doi request reprint Laparoscopic and transanal pull-through for Hirschsprung disease
    Jacob C Langer
    Department of Surgery, University of Toronto, Toronto, Ontario, Canada
    Semin Pediatr Surg 21:283-90. 2012
    ..This chapter presents the history of these procedures, and then discusses the various approaches and details of these techniques...
  5. pmc Does access to care affect outcomes of appendicitis in children?--A population-based cohort study
    Teresa To
    Child Health Evaluative Sciences, Research Institute, The Hospital for Sick Children, Toronto, Ontario, Canada
    BMC Health Serv Res 10:250. 2010
    ..The objective of this study is to use population-based data to measure the associations and to explain the variations of appendectomy rates with population socio-demographic indicators...
  6. ncbi request reprint Abdominal wall defects
    Jacob C Langer
    Department of Pediatric General Surgery, Hospital for Sick Children, 555 University Avenue, Room 1526, Toronto, Ontario M5G 1X8, Canada
    World J Surg 27:117-24. 2003
    ..Delivery at a high-risk perinatal center should be encouraged. Currently, there is no convincing evidence to support routine cesarean section for most abdominal wall defects...
  7. ncbi request reprint Pediatric surgery of the digestive tract: Working Group report of the second World Congress of Pediatric Gastroenterology, Hepatology, and Nutrition
    Jacob C Langer
    J Pediatr Gastroenterol Nutr 39:S695-702. 2004
  8. pmc One-stage transanal Soave pullthrough for Hirschsprung disease: a multicenter experience with 141 children
    Jacob C Langer
    Department of Surgery, University of Toronto, Toronto, Ontario, Canada
    Ann Surg 238:569-83; discussion 583-5. 2003
    ..We reviewed the early results of the transanal Soave pullthrough from 6 of the original centers to use it...
  9. ncbi request reprint Does pediatric surgical specialty training affect outcome after Ramstedt pyloromyotomy? A population-based study
    Jacob C Langer
    Population Health Sciences, Research Institute, Hospital for Sick Children, Toronto, Ontario, Canada
    Pediatrics 113:1342-7. 2004
    ..We wished to determine whether there are any differences in outcome when this procedure is done by subspecialist pediatric general surgeons as compared with general surgeons...
  10. ncbi request reprint Cost-effectiveness analysis of weekday and weeknight or weekend shifts for assessment of appendicitis
    Andrea S Doria
    Department of Diagnostic Imaging, Hospital for Sick Children, 555 University Avenue, Toronto, ON, Canada, M5G 1X8
    Pediatr Radiol 35:1186-95. 2005
    ....
  11. ncbi request reprint Intermediate outcomes after serial transverse enteroplasty in children with short bowel syndrome
    Paul W Wales
    Division of General Surgery, The Hospital for Sick Children, Toronto, Canada M5G 1X8
    J Pediatr Surg 42:1804-10. 2007
    ..The aim of this study was to report intermediate outcomes in patients who have received the STEP at our institution using clinical and biochemical assessment of intestinal function...
  12. ncbi request reprint Gastroschisis: what is the average gestational age of spontaneous delivery?
    Andrea Y Lausman
    Department of Obstetrics and Gynaecology, University of Toronto, Toronto, Ontario, Canada
    J Pediatr Surg 42:1816-21. 2007
    ..To consolidate what is known about pregnancies complicated by fetal gastroschisis through analysis of one of the largest series yet reported and to define the average gestational age of spontaneous delivery...
  13. ncbi request reprint Analgesia administration for acute abdominal pain in the pediatric emergency department
    Ran D Goldman
    Division of Pediatric Emergency Medicine, Department of Pediatrics, Population Health Sciences, The Research Institute, The Hospital for Sick Children, Toronto, Ontario, Canada
    Pediatr Emerg Care 22:18-21. 2006
    ..To document the use of analgesia for children with acute abdominal pain in the Pediatric Emergency Department (PED) and to compare between children with suspected appendicitis in a high versus low probability...
  14. ncbi request reprint Effect of subspecialty training on outcome after pediatric appendectomy
    Stig Somme
    Department of Surgery, The Hospital for Sick Children, Toronto, Ontario, Canada M5G 1X8
    J Pediatr Surg 42:221-6. 2007
    ..Some studies have suggested a better outcome in patients managed by pediatric surgeons as compared with general surgeons...
  15. pmc Risk of incarceration of inguinal hernia among infants and young children awaiting elective surgery
    Mohammed Zamakhshary
    Division of General Surgery, The Hospital for Sick Children, Toronto, ON
    CMAJ 179:1001-5. 2008
    ..We also explored the relation between wait times and the use of emergency department services before surgery...
  16. ncbi request reprint Primary versus staged pull-through for the treatment of Hirschsprung disease
    Stig Somme
    Department of Surgery, Hospital for Sick Children, 555 University Avenue, Toronto, Ontario M5G 1X8, Canada
    Semin Pediatr Surg 13:249-55. 2004
  17. ncbi request reprint Population demographic indicators associated with incidence of pyloric stenosis
    Teresa To
    Population Health Sciences, Research Institute and Departments of Surgery and Pediatrics, Hospital for Sick Children, Toronto, Ontario
    Arch Pediatr Adolesc Med 159:520-5. 2005
    ..To calculate incidence rates of pyloric stenosis (estimated by the rate of pyloromyotomy) among infants in Ontario and determine their association with population sociodemographic indicators...
  18. ncbi request reprint Lung torsion after tracheoesophageal fistula repair: a case report and review of literature
    Carol Oliveira
    Division of General Surgery, The Hospital for Sick Children, Toronto, Ontario, Canada
    J Pediatr Surg 42:E5-9. 2007
    ..Patients with complete interlobar fissures may benefit from pulmonary lobe fixation as a prophylaxis against occurrence or recurrence of this complication...
  19. ncbi request reprint Effect of subspecialty training and volume on outcome after pediatric inguinal hernia repair
    Steven H Borenstein
    Department of Surgery, Hospital for Sick Children, Toronto, Ontario, M5G 1X8, Canada
    J Pediatr Surg 40:75-80. 2005
    ..The aim of this study was to determine if there are any differences in outcome when this procedure is performed by subspecialist pediatric surgeons when compared with general surgeons...
  20. doi request reprint Routine use of a SILASTIC spring-loaded silo for infants with gastroschisis: a multicenter randomized controlled trial
    Aimee C Pastor
    Pediatric General Surgery, Hospital for Sick Children, Toronto, ON, Canada
    J Pediatr Surg 43:1807-12. 2008
    ..Retrospective studies have suggested that routine use of a preformed silo for infants with gastroschisis may be associated with improved outcomes. We performed a prospective multicenter randomized controlled trial to test this hypothesis...
  21. ncbi request reprint Minimal access surgical approaches in infants and children
    Sanjeev Dutta
    Fellow in Pediatric General Surgery, Hospital for Sick Children, Toronto, Ontario, Canada
    Adv Surg 38:337-61. 2004
  22. ncbi request reprint Persistent obstructive symptoms after surgery for Hirschsprung's disease: development of a diagnostic and therapeutic algorithm
    Jacob C Langer
    University of Toronto and Hospital for Sick Children, Toronto, Ontario, Canada
    J Pediatr Surg 39:1458-62. 2004
    ..The author's goal was to develop an organized algorithm for the workup and ultimate management of these symptoms...
  23. ncbi request reprint Reliability of intraoperative frozen sections in the management of Hirschsprung's disease
    Katayoon Shayan
    Department of Paediatric Laboratory Medicine, Hospital for Sick Children, Toronto, Ontario, Canada
    J Pediatr Surg 39:1345-8. 2004
    ..The authors wished to determine the incidence and sources of error during this process...
  24. ncbi request reprint Acute appendicitis with fulminant necrotizing fasciitis in a neonate
    Abhay Lodha
    Division of Neonatology, Hospital for Sick Children and University of Toronto, Toronto, Ontario, Canada
    J Pediatr Surg 38:E5-6. 2003
    ..Although recognized in adults, this rare combination of conditions has not been reported previously in the neonate and requires rapid recognition with aggressive medical and surgical intervention...
  25. doi request reprint Preserving bowel length with a transluminal stent in neonates with multiple intestinal anastomoses: a case series and review of the literature
    Rodrigo L P Romão
    Division of General and Thoracic Surgery, The Hospital for Sick Children, Toronto, Ontario, Canada
    J Pediatr Surg 46:1368-72. 2011
    ..In neonatal surgery, preserving small bowel length is important to avoid short bowel syndrome. Our aim was to assess the outcomes of intraluminal stenting of neonatal multiple intestinal anastomoses...
  26. ncbi request reprint Transanal pull-through for Hirschsprung disease
    Roshni Dasgupta
    Hosptial for Sick Children, University of Toronto, Ontario, Canada
    Semin Pediatr Surg 14:64-71. 2005
    ..Recent literature and clinically controversies of this minimally invasive one-stage procedure are reviewed. Although follow up is still relatively short the preliminary results appear very favorable and cost effective...
  27. ncbi request reprint The contrast enema for Hirschsprung disease: predictors of a false-positive result
    Ivan R Diamond
    Division of General Surgery, The Hospital for Sick Children, Toronto, Ontario, Canada M5G 1X8
    J Pediatr Surg 42:792-5. 2007
    ..To examine predictors of a false-positive (FP) result on contrast enema (CE) for the diagnosis of Hirschsprung disease (HD)...
  28. ncbi request reprint Thoracoscopic versus open resection of congenital lung lesions: a case-matched study
    Ivan R Diamond
    Division of General Surgery, The Hospital for Sick Children, Toronto, Ontario, Canada M5G 1X8
    J Pediatr Surg 42:1057-61. 2007
    ..The purpose of the study was to compare the outcomes in children undergoing thoracoscopic versus open resection of congenital lung lesions...
  29. doi request reprint Is routine preoperative 2-dimensional echocardiography necessary for infants with esophageal atresia, omphalocele, or anorectal malformations?
    Ahmed Nasr
    Department of Surgery, Hospital for Sick Children, Toronto, Ontario, Canada M5G1X8
    J Pediatr Surg 45:876-9. 2010
    ..We wished to determine if routine echocardiography is necessary for neonates with these diagnoses, or if appropriate patients could be selected...
  30. doi request reprint Management of blunt splenic injury in children: evolution of the nonoperative approach
    Dafydd A Davies
    Division of Pediatric General Surgery, The Hospital for Sick Children, Toronto, ON, Canada
    J Pediatr Surg 44:1005-8. 2009
    ..Since that time, treatment of patients with BSI has evolved from routine splenectomy to an aggressive spleen-preserving philosophy. This report summarizes our institutional experience for the last 50 years...
  31. doi request reprint Is there a role for routine abdominal imaging in predicting postoperative intraabdominal abscess formation after appendectomy for pediatric ruptured appendix?
    Sigmund H Ein
    The Division of General Surgery, Rm 1526, Hospital for Sick Children, 555 University Avenue, Toronto, ON, Canada M5G 1X8
    Pediatr Surg Int 24:307-9. 2008
    ..All required further treatment, and recovered well. The use of routine abdominal imaging on postoperative day 5, (compared with clinical evaluation), did not improve the ability to predict the development of an intraabdominal abscess...
  32. doi request reprint Outcomes after muscle flap vs prosthetic patch repair for large congenital diaphragmatic hernias
    Ahmed Nasr
    The Division of Pediatric General and Thoracic Surgery, The Hospital for Sick Children, Toronto, Ontario M5G 1X8, Canada
    J Pediatr Surg 45:151-4. 2010
    ..Two techniques have been widely used: autologous anterior abdominal wall muscle flap and prosthetic patch. The latter has been used more often. Our goal was to compare the short-term and long-term outcomes of these 2 approaches...
  33. ncbi request reprint Hirschsprung disease
    Roshini Dasgupta
    Hospital for Sick Children, Toronto, Ontario, Canada
    Curr Probl Surg 41:942-88. 2004
  34. ncbi request reprint The versatility of the umbilical incision in the management of Hirschsprung's disease
    Carolien J E Sauer
    Division of General Surgery, Hospital for Sick Children, Toronto, Ontario, M5G 1X8, Canada
    J Pediatr Surg 40:385-9. 2005
    ..The aim of this report is to describe how the umbilical incision provides a quick and safe alternative to laparoscopy or other abdominal incisions in the management of Hirschsprung's disease (HD)...
  35. ncbi request reprint The failed fundoplication
    Jacob C Langer
    University of Toronto, Department of Pediatric General Surgery, Hospital for Sick Children, 555 University Avenue, Toronto, Ontario M5G 1X8, Canada
    Semin Pediatr Surg 12:110-7. 2003
    ..The primary goal in the treatment of GER is to improve quality of life for the patient and the family...
  36. doi request reprint Development of a standardized definition for Hirschsprung's-associated enterocolitis: a Delphi analysis
    Aimee C Pastor
    Hospital for Sick Children, Toronto, Ontario, Canada
    J Pediatr Surg 44:251-6. 2009
    ..A standardized definition would permit comparison of different studies and provide an interpretable outcome measure for future prospective studies in patients with Hirschsprung's disease...
  37. doi request reprint Lysine requirement in parenterally fed postsurgical human neonates
    Karen P Chapman
    Research Institute, The Hospital for Sick Children, Toronto, Canada
    Am J Clin Nutr 91:958-65. 2010
    ..The lysine requirement of human neonates receiving parenteral nutrition (PN) has not been determined experimentally...
  38. ncbi request reprint Evolution of the technique in the transanal pull-through for Hirschsprung's disease: effect on outcome
    Ahmed Nasr
    Division of General Surgery, The Hospital for Sick Children, Toronto, Ontario, Canada
    J Pediatr Surg 42:36-9; discussion 39-40. 2007
    ..The aim of this study was to determine if these modifications have changed the outcome for children undergoing this operation...
  39. pmc Red hemiscrotum in a child with abdominal pain
    Jacob C Langer
    Hospital for Sick Children, Toronto, Ont
    CMAJ 166:1695. 2002
  40. ncbi request reprint Chronic constipation due to Hirschsprung's disease and desmosis coli in a family
    Donald G Marshall
    Department of Surgery, University of Western Ontario, London, Ontario, Canada
    Pediatr Surg Int 18:110-4. 2002
    ....
  41. ncbi request reprint Fundoplication and gastrostomy versus image-guided gastrojejunal tube for enteral feeding in neurologically impaired children with gastroesophageal reflux
    Paul W Wales
    Division of Pediatric General Surgery and the Department Diagnostic Imaging, The Hospital for Sick Children, Toronto, Ontario, Canada
    J Pediatr Surg 37:407-12. 2002
    ..The authors evaluated the image-guided gastrojejunal tube (GJ) as an alternative approach for this group of patients...
  42. ncbi request reprint Long-term pulmonary morbidity in survivors of congenital diaphragmatic hernia
    Daniel Trachsel
    Division of Respiratory Medicine, Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
    Pediatr Pulmonol 39:433-9. 2005
    ..This should guide follow-up scheduling and should be taken into account for perioperative and critical care management...
  43. ncbi request reprint Incidence of medical error and adverse outcomes on a pediatric general surgery service
    Monja L Proctor
    Hospital for Sick Children, Toronto, Ontario, Canada
    J Pediatr Surg 38:1361-5. 2003
    ..The authors examined the incidence and sources of medical error in relation to adverse events on a pediatric general surgery service...
  44. ncbi request reprint Heterotaxia syndromes and their abdominal manifestations
    Steven H Borenstein
    Department of Surgery, McMaster Children s Hospital, Hamilton, Ontario, Canada
    Curr Opin Pediatr 18:294-7. 2006
    ..This review summarizes the literature and proposes an individualized approach to the patient based on symptoms and findings on gastrointestinal imaging...
  45. ncbi request reprint Current management of hypertrophic pyloric stenosis
    Gudrun Aspelund
    Division of General Surgery, University of Toronto, Hospital for Sick Children, Toronto, Ontario, Canada
    Semin Pediatr Surg 16:27-33. 2007
    ..Postoperative care and the variety of postoperative feeding regimens applied after pyloromyotomy are reviewed, as well as intra- and postoperative complications. Finally, medical management, in lieu of surgery, is discussed...
  46. ncbi request reprint Factors determining the need for operative reduction in children with intussusception: a population-based study
    Stig Somme
    Department of Surgery, The Hospital for Sick Children, Toronto, Ontario, Canada M5G 1X8
    J Pediatr Surg 41:1014-9. 2006
    ..The objective of this study is to determine if children presenting to a nonteaching hospital were at greater risk for operative reduction of intussusception than those presenting to a teaching hospital...
  47. ncbi request reprint The use of Surgisis for abdominal wall reconstruction in the separation of omphalopagus conjoined twins
    Roshni Dasgupta
    Division of Pediatric General Surgery, Hospital for Sick Children, Toronto, ON, Canada
    Pediatr Surg Int 23:923-6. 2007
    ..Surgisis can be successfully used for the reconstruction of complex abdominal wall defects in the pediatric patient, including reconstruction after separation of conjoined twins...
  48. ncbi request reprint Nonoperative management of pediatric ruptured appendix with inflammatory mass or abscess: presence of an appendicolith predicts recurrent appendicitis
    Sigmund H Ein
    Division of General Surgery, Hospital for Sick Children, Toronto, Ontario, M5G 1X8, Canada
    J Pediatr Surg 40:1612-5. 2005
    ..The aim of this study was to determine if the presence of an appendicolith is associated with an increased risk for recurrent appendicitis after nonoperative treatment of pediatric ruptured appendix with inflammatory mass or abscess...
  49. ncbi request reprint The prevention and treatment of bacterial infections in children with asplenia or hyposplenia: practice considerations at the Hospital for Sick Children, Toronto
    Victoria E Price
    Department of Pediatrics, Division of Hematology Oncology, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
    Pediatr Blood Cancer 46:597-603. 2006
    ..Many experts continue prophylaxis indefinitely although prophylaxis of the penicillin allergic child remains suboptimal...
  50. ncbi request reprint Laparoscopic antireflux procedures in the management of gastroesophageal reflux following esophageal atresia repair
    Ciro Esposito
    Paediatric Surgery, Magna Graecia University, Catanzaro, Italy
    J Pediatr Gastroenterol Nutr 40:349-51. 2005
    ..The authors have retrospectively evaluated the results achieved in their centers using laparoscopic antireflux procedures (LARP) in children operated for EA at birth...
  51. ncbi request reprint [Medico-surgical consensus for management of children with gastroesophageal reflux Acapulco, Mexico 2002]
    Jaime Alfonso Ramírez Mayans
    Curso de Gastroenterología y Nutrición Pediátrica, Facultad Nacional de Medicina, Universidad Nacional Autonoma de Mexico, Mexico, D F
    Rev Gastroenterol Mex 68:223-34. 2003
    ..It is present around 10% of unselected infant population. 40-50% have abnormal 24 h pH monitoring. An early diagnosis and treatment should be done in order to avoid complications...
  52. ncbi request reprint Mechanisms of pediatric trauma deaths in Canada and the United States: the role of firearms
    David J Hackam
    Department of Surgery, Children s Hospital of Pittsburgh, Pittsburgh, Pennsylvania, USA
    J Trauma 56:1286-90. 2004
    ..This study aimed to determine whether firearms are a more prevalent cause of pediatric death in the United States than in Canada...
  53. doi request reprint Prospective validation of the pediatric appendicitis score
    Ran D Goldman
    Department of Pediatrics, Division of Pediatric Emergency Medicine, Pediatric Research in Emergency Therapeutics Program, BC Children s Hospital, University of British Columbia, Vancouver, British Columbia, Canada
    J Pediatr 153:278-82. 2008
    ..To prospectively validate the Pediatric Appendicitis Score (PAS), developed on a cohort of children with abdominal pain suggestive of appendicitis, in unselected children with abdominal pain who present to the emergency department...
  54. ncbi request reprint Thoracoscopic ligation versus coil occlusion for patent ductus arteriosus: a matched cohort study of outcomes and cost
    Sanjeev Dutta
    Division of Pediatric Surgery, Lucile Packard Children s Hospital at Stanford University, Stanford 94305 5733, USA
    Surg Endosc 22:1643-8. 2008
    ..Coil occlusion (CO) and video-assisted thoracoscopic surgery (VATS) have both emerged as minimal access therapies for patent ductus arteriosus (PDA). These techniques have not previously been statistically compared...
  55. ncbi request reprint Management of late-stage parapneumonic empyema
    Li Ern Chen
    Washington University School of Medicine and St Louis Children s Hospital, St Louis, MO, USA
    J Pediatr Surg 37:371-4. 2002
    ..The authors wished to determine the optimal management strategy for this group of children...