All Publications

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  1. Anya L. Edwards, Patricia S. O’Sullivan, Joseph H. Rapp, Adnan Alseidi, Hueylan Chern, Justin L. Sewell, Christy Boscardin, Shareef M. Syed. Development of the Cognitive Load Inventory for Surgical Skills: preliminary validity evidence. Global Surgical Education - Journal of the Association for Surgical Education. 2023 Oct 28; 2(1):102. View in PubMed
  2. Connie J. Zhou, Anya L. Edwards, Riley Brian, Patricia S. O’Sullivan, Amy M. Shui, Aly Cortella, Adnan Alseidi, Joseph H. Rapp, Hueylan Chern, Shareef M. Syed. Is participation enough? Impact of simulation curriculum structure on performance of basic surgical skills. Global Surgical Education - Journal of the Association for Surgical Education. 2023 Oct 21; 2(1):98. View in PubMed
  3. Romero-Hernandez F, Wang JJ, Nakamura Y, Chern H, Sarin A. Transanal excision of rectal lesions using the single port robotic platform: A video vignette. Colorectal Dis. 2023 11; 25(11):2275-2279. View in PubMed
  4. Charondo LB, Brian R, Syed S, Chern H, Lager J, Alseidi A, O'Sullivan P, Bayne D. Confronting new challenges: Faculty perceptions of gaps in current laparoscopic curricula in a changing training landscape. Surg Open Sci. 2023 Dec; 16:1-7. View in PubMed
  5. Wile RK, Brian R, Rodriguez N, Chern H, Cruff J, O'Sullivan PS. Home practice for robotic surgery: a randomized controlled trial of a low-cost simulation model. J Robot Surg. 2023 Oct; 17(5):2527-2536. View in PubMed
  6. Hamilton BC, Dairywala MI, Highet A, Nguyen TC, O'Sullivan P, Chern H, Soriano IS. Artificial intelligence based real-time video ergonomic assessment and training improves resident ergonomics. Am J Surg. 2023 11; 226(5):741-746. View in PubMed
  7. Brian R, Oh D, Ifuku KA, Sarin A, O'Sullivan P, Chern H. Experience matters for robotic assistance: an analysis of case data. J Robot Surg. 2023 Oct; 17(5):2421-2426. View in PubMed
  8. Anya L. Greenberg, Katherine E. Barnes, Mohammad M. Karimzada, Chiung-Yu Huang, Adnan Alseidi, Joseph H. Rapp, Patricia S. O’Sullivan, Hueylan Chern, Shareef M. Syed. Difficult or high risk? Objective task assessment vs. faculty perceptions of surgical skills. Global Surgical Education - Journal of the Association for Surgical Education. 2023 Apr 19; 2(1):50. View in PubMed
  9. Anya L. Greenberg, Katherine E. Barnes, Shareef M. Syed, Joseph H. Rapp, Adnan Alseidi, Patricia S. O’Sullivan, Hueylan Chern. Faculty entrustment of residents in the operating room: the role for surgical simulation. Global Surgical Education - Journal of the Association for Surgical Education. 2023 Apr 6; 2(1):48. View in PubMed
  10. Barnes KE, Brian R, Greenberg AL, Watanaskul S, Kim EK, O'Sullivan PS, Chern H. Beyond watching: Harnessing laparoscopy to increase medical students' engagement with robotic procedures. Am J Surg. 2023 07; 226(1):143-144. View in PubMed
  11. Greenberg AL, Syed SM, Alseidi A, O'Sullivan PS, Chern H. Robotic training for medical students: feasibility of a pilot simulation curriculum. J Robot Surg. 2023 Jun; 17(3):1029-1038. View in PubMed
  12. Anya L. Greenberg, Shareef M. Syed, Adnan A. Alseidi, Patricia S. O’Sullivan, Hueylan Chern. Communicating from a distance: medical student perspectives from a robotic bedside assist simulation. Global Surgical Education - Journal of the Association for Surgical Education. 2022 Oct 20; 1(1):53. View in PubMed
  13. Watanaskul S, Schwab ME, Chern H, Varma M, Sarin A. Robotic transanal excision of rectal lesions: expert perspective and literature review. J Robot Surg. 2023 Apr; 17(2):619-627. View in PubMed
  14. Kim EK, Conroy PC, Johnson CL, Kelly Y, O'Sullivan PS, Chern H, Piper ML. Surgical Skills Coaches: Preparing for a peer-assisted learning model to train medical students in surgical skills. Am J Surg. 2022 Sep 06. View in PubMed
  15. Greenberg AL, Karimzada MM, Brian R, Yap A, Luu HY, Ahmed S, Huang CY, Waits SA, Hirose R, Alseidi A, Rapp JH, O'Sullivan PS, Chern H, Syed SM. Assessment of Surgeon Performance of Advanced Open Surgical Skills Using a Microskills-Based Novel Curriculum. JAMA Netw Open. 2022 09 01; 5(9):e2229787. View in PubMed
  16. Watanaskul S, Schwab ME, Colley A, Chern H, Varma MG, Hoffman WY, Sarin A. Robotic repair of perineal hernias: a video vignette and review of the literature. Surg Endosc. 2023 03; 37(3):2290-2294. View in PubMed
  17. Schwab ME, Hernandez S, Watanaskul S, Chern H, Varma M, Sarin A. Comparison of advanced techniques for local excision of rectal lesions: a case series. BMC Surg. 2022 Mar 27; 22(1):117. View in PubMed
  18. Riley Brian, Jon Freise, Saira Ahmed, Joseph Lin, Hueylan Chern, Shareef M. Syed. Advanced Open Surgical Skill Simulation: Practice, Performance Benchmarking, and Perceptions. Journal of the American College of Surgeons. 2021 Nov 1; 233(5):s220-s221. View in PubMed
  19. Courtney A. Green, Hueylan Chern, Stanley J. Rogers, Linda M. Reilly, Patricia O’Sullivan. Transforming Surgical Education through a Resident Robotic Curriculum. . 2021 Jul 6; 2(3):e076. View in PubMed
  20. Green CA, Chern H, Rogers SJ, Reilly LM, O'Sullivan P. Transforming Surgical Education through a Resident Robotic Curriculum. Ann Surg Open. 2021 Sep; 2(3):e076. View in PubMed
  21. Green CA, Chu SN, Huang E, Chern H, O'Sullivan P. Teaching in the robotic environment: Use of alternative approaches to guide operative instruction. Am J Surg. 2020 01; 219(1):191-196. View in PubMed
  22. Green CA, O'Sullivan PS, Chern H. A robotic teaching session: separating tool from technique to emphasize a cognitive focused teaching environment. J Robot Surg. 2019 Dec; 13(6):735-739. View in PubMed
  23. Green CA, Abrahamson D, Chern H, O'Sullivan PS. Is Robotic Surgery Highlighting Critical Gaps in Resident Training? J Grad Med Educ. 2018 Oct; 10(5):491-493. View in PubMed
  24. Green CA, O'Sullivan PS, Sarin A, Chern H. Microanalysis of video from a robotic surgical procedure: implications for observational learning in the robotic environment. J Robot Surg. 2019 Jun; 13(3):449-454. View in PubMed
  25. Savoie MB, Paciorek A, Zhang L, Van Blarigan EL, Sommovilla N, Abrams D, Atreya CE, Bergsland EK, Chern H, Kelley RK, Ko A, Laffan A, Sarin A, Varma MG, Venook AP, Van Loon K. Vitamin D Levels in Patients with Colorectal Cancer Before and After Treatment Initiation. J Gastrointest Cancer. 2019 Dec; 50(4):769-779. View in PubMed
  26. Green CA, Kim EH, O'Sullivan PS, Chern H. Using Technological Advances to Improve Surgery Curriculum: Experience With a Mobile Application. J Surg Educ. 2018 Jul - Aug; 75(4):1087-1095. View in PubMed
  27. Green CA, Chern H, O'Sullivan PS. Current robotic curricula for surgery residents: A need for additional cognitive and psychomotor focus. Am J Surg. 2018 Feb; 215(2):277-281. View in PubMed
  28. Green CA, Huang E, Zhao NW, O'Sullivan PS, Kim E, Chern H. Technical skill improvement with surgical preparatory courses: What advantages are reflected in residency? Am J Surg. 2018 07; 216(1):155-159. View in PubMed
  29. Emily S. Huang, Hueylan Chern, Patricia O'Sullivan. Evidence Supporting Use of a Novel Descriptive Tool for Intraoperative Feedback. . 2017 Oct 1; 225(4):e43. View in PubMed
  30. Courtney A. Green, Patricia O’Sullivan, Edward Kim, Hueylan Chern. Role of Video Documentation and Video Portfolios for Surgical Trainees. . 2017 Oct 1; 225(4):s180-s181. View in PubMed
  31. Courtney A. Green, Hueylan Chern, Ankit Sarin, Patricia O'Sullivan. A Microanalysis of Intracorporeal Video from a Robotic Surgery: Investigation into a Surgeon's Professional Vision. Journal of the American College of Surgeons. 2017 Oct 1; 225(4):e149-e150. View in PubMed
  32. Emily S. Huang, Hueylan Chern, Patricia O'Sullivan. Evidence Supporting Use of a Novel Descriptive Tool for Intraoperative Feedback. Journal of the American College of Surgeons. 2017 Oct 1; 225(4):e43. View in PubMed
  33. Courtney A. Green, Patricia O’Sullivan, Edward Kim, Hueylan Chern. Role of Video Documentation and Video Portfolios for Surgical Trainees. Journal of the American College of Surgeons. 2017 Oct 1; 225(4):s180-s181. View in PubMed
  34. Marissa Barbara Savoie, Alan T Paciorek, Li Zhang, Nili Sommovilla, Chloe Evelyn Atreya, Hueylan Chern, Robin Kate Kelley, Andrew H. Ko, Ankit Sarin, Madhulika G. Varma, Donald I. Abrams, Alan P. Venook, Katherine Van Loon. Vitamin D levels among patients with colorectal cancer (CRC) from the San Francisco Bay area. Journal of Clinical Oncology. 2017 Feb 1; 35(4_suppl):793-793. View in PubMed
  35. Green CA, Vaughn CJ, Wyles SM, O'Sullivan PS, Kim EH, Chern H. Evaluation of a Surgery-Based Adjunct Course for Senior Medical Students Entering Surgical Residencies. J Surg Educ. 2016 Jul-Aug; 73(4):631-8. View in PubMed
  36. Vaughn CJ, Kim E, O'Sullivan P, Huang E, Lin MY, Wyles S, Palmer BJ, Pierce JL, Chern H. Peer video review and feedback improve performance in basic surgical skills. Am J Surg. 2016 Feb; 211(2):355-60. View in PubMed
  37. Huang E, Wyles SM, Chern H, Kim E, O'Sullivan P. From novice to master surgeon: improving feedback with a descriptive approach to intraoperative assessment. Am J Surg. 2016 Jul; 212(1):180-7. View in PubMed
  38. Sbitany H, Kwon E, Chern H, Finlayson E, Varma MG, Hansen SL. Outcomes Analysis of Biologic Mesh Use for Abdominal Wall Reconstruction in Clean-Contaminated and Contaminated Ventral Hernia Repair. Ann Plast Surg. 2015 Aug; 75(2):201-4. View in PubMed
  39. P O'Connell, Robert Madoff, Michael Solomon, Hueylan Chern, Madhulika Varma. Martius flap. . 2015 May 28; 683-687. View in PubMed
  40. P O'Connell, Robert Madoff, Michael Solomon, Hueylan Chern, Madhulika Varma. Martius flap. Operative Surgery of the Colon, Rectum and Anus, Sixth Edition. 2015 May 28; 683-687. View in PubMed
  41. Hueylan Chern, Madhulika Varma. Martius flap. Operative Surgery of the Colon, Rectum and Anus, Sixth Edition. 2015 May 28; 683-687. View in PubMed
  42. Huang E, Vaughn CJ, Chern H, O'Sullivan P, Kim E. An objective assessment tool for basic surgical knot-tying skills. J Surg Educ. 2015 Jul-Aug; 72(4):572-6. View in PubMed
  43. Wang ED, Conkling N, Xu X, Chern H, Finlayson E, Varma MG, Hansen SL, Foster RD, Hoffman WY, Sbitany H. Perineal flap reconstruction following oncologic anorectal extirpation: an outcomes assessment. Plast Reconstr Surg. 2015 Jan; 135(1):176e-184e. View in PubMed
  44. Eric D. Wang, Nicole Conkling, Xiaoti Xu, Hueylan Chern, Emily Finlayson, Madhulika G. Varma, Scott L. Hansen, Robert D. Foster, William Y. Hoffman, Hani Sbitany. Perineal Reconstruction Following Anorectal Tumor Resection. Plastic & Reconstructive Surgery. 2014 Oct 1; 134(4S-1):136-137. View in PubMed
  45. Huang E, Chern H, O'Sullivan P, Cook B, McDonald E, Palmer B, Liu T, Kim E. A better way to teach knot tying: a randomized controlled trial comparing the kinesthetic and traditional methods. Am J Surg. 2014 Oct; 208(4):690-4. View in PubMed
  46. Hueylan Chern, Edward Kim, Patricia O'Sullivan. PIGS (Porcine Integrated General Surgery Simulation) Curriculum. . 2014 Jan 1. View in PubMed
  47. Hueylan Chern, Leslie Sheu, Patricia O'Sullivan, Edward Kim. Home Video Curriculum for Basic Surgical Skills. MedEdPORTAL. 2014 Jan 1. View in PubMed
  48. Hueylan Chern, Edward Kim, Patricia O'Sullivan. PIGS (Porcine Integrated General Surgery Simulation) Curriculum. MedEdPORTAL. 2014 Jan 1. View in PubMed
  49. Edward Kim, Hueylan Chern, Emily Huang, Barnard Palmer. How To Teach Knot Tying: A Kinesthetic Approach. MedEdPORTAL. 2013 Jan 1. View in PubMed
  50. Edward Kim, Hueylan Chern, Emily Huang, Barnard Palmer. How To Teach Knot Tying: A Kinesthetic Approach. . 2013 Jan 1. View in PubMed
  51. Ng T, Ryder BA, Chern H, Sellke FW, Machan JT, Harrington DT, Cioffi WG. Leukocyte-depleted blood transfusion is associated with decreased survival in resected early-stage lung cancer. J Thorac Cardiovasc Surg. 2012 Apr; 143(4):815-9. View in PubMed
  52. Hueylan Chern,Madhulika G. Varma. Rectovaginal and Rectourethral Fistulas. . 2011 Mar 1; 22(1):39-44. View in PubMed
  53. Hueylan Chern, Madhulika G. Varma. Rectovaginal and Rectourethral Fistulas. Seminars in Colon and Rectal Surgery. 2011 Mar 1; 22(1):39-44. View in PubMed
  54. Hueylan Chern, Joanne Chou, C. Donkor, Jinru Shia, José G. Guillem, Garrett M. Nash, Philip B. Paty, Larissa K. Temple, W. Douglas Wong, Martin R. Weiser. Reply. Journal of the American College of Surgeons. 2011 Jan 1; 212(1):130-131. View in PubMed
  55. Hueylan Chern, Joanne Chou, C. Donkor, Jinru Shia, José G. Guillem, Garrett M. Nash, Philip B. Paty, Larissa K. Temple, W. Douglas Wong, Martin R. Weiser. Reply. . 2011 Jan 1; 212(1):130-131. View in PubMed
  56. Hueylan Chern,W. Douglas Wong. Clinical Staging: Endoscopic Techniques. . 2010 Jan 1; 1-19. View in PubMed
  57. Hueylan Chern, W. Douglas Wong. Clinical Staging: Endoscopic Techniques. Rectal Cancer. 2010 Jan 1; 1-19. View in PubMed
  58. Yu YB, Gau JP, You JY, Chern HH, Chau WK, Tzeng CH, Ho CH, Hsu HC. Cost-effectiveness of postremission intensive therapy in patients with acute leukemia. Ann Oncol. 2007 Mar; 18(3):529-34. View in PubMed
  59. Hsieh FI, Pu YS, Chern HD, Hsu LI, Chiou HY, Chen CJ. Genetic polymorphisms of N-acetyltransferase 1 and 2 and risk of cigarette smoking-related bladder cancer. Br J Cancer. 1999 Oct; 81(3):537-41. View in PubMed
  60. Yu MW, Chiu YH, Chiang YC, Chen CH, Lee TH, Santella RM, Chern HD, Liaw YF, Chen CJ. Plasma carotenoids, glutathione S-transferase M1 and T1 genetic polymorphisms, and risk of hepatocellular carcinoma: independent and interactive effects. Am J Epidemiol. 1999 Apr 01; 149(7):621-9. View in PubMed
  61. Leu FJ, Chen CF, Chiang WE, Chern HT, Shian LR, Chung TM, Wang J, Sun AM. Microencapsulated pancreatic islets: a pathologic study. J Formos Med Assoc. 1992 Sep; 91(9):849-58. View in PubMed