Kamran Samakar

Title(s)Clinical Associate Professor of Surgery (Clinician Educator
SchoolKeck School of Medicine of Usc
Address1510 San Pablo St.
Health Sciences Campus
Los Angeles CA 90033
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    Other Positions
    Title(s)Program Director, Keck Hospital Bariatric Surgery

    Title(s)Director, Bariatric Surgery Program at CHLA


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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. ASMBS literature review & clinical guidelines on prevention, diagnosis, and treatment of Wernicke's encephalopathy and Wernicke-Korsakoff syndrome. Surg Obes Relat Dis. 2025 Apr 10. Patterson E, Kurian M, Sann N, Dan A, Lovato C, Hinojosa M, Sockalingam S, Craggs-Dino L, Samakar K, Duncan K, ASMBS Wernicke's Task Force. PMID: 40345894.
      View in: PubMed   Mentions:    Fields:    
    2. Semaglutide and laparoscopic sleeve gastrectomy in an adolescent with congenital adrenal hyperplasia due to 21-hydroxylase: a case report. J Med Case Rep. 2025 Jan 25; 19(1):37. Vidmar AP, Kaiser L, Martin MJ, Abel S, Kim AG, Weitzner M, Muñoz CE, Fisher LK, Kim MS, Samakar K. PMID: 39863876; PMCID: PMC11765928.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    3. Early Reinitiation of Obesity Pharmacotherapy Post Laparoscopic Sleeve Gastrectomy in Youth: A Retrospective Cohort Study. Obes Surg. 2025 Feb; 35(2):406-418. Vidmar AP, Vu MH, Martin MJ, Kim AG, Abel S, Weitzner M, Muñoz CE, Kim A, Samakar K. PMID: 39798049; PMCID: PMC11835899.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    4. Trends and predictors of laparoscopic compared with open emergent inguinal hernia repair. Surgery. 2024 12; 176(6):1661-1667. Tran A, Shiraga S, Abel S, Samakar K, Putnam LR. PMID: 39256097.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    5. Safety of redo sleeve gastrectomy as a primary revisional procedure. Surg Obes Relat Dis. 2024 Nov; 20(11):1084-1089. Wisniowski P, Samakar K, Cheng V, Hawley L, Abel S, Nguyen J, Dobrowolsky A, Martin M. PMID: 38871494.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    6. Trends in the mortality of intra-abdominal infections in adults over 25 years in the USA, 1999-2021. Emerg Med J. 2024 Apr 22; 41(5):324-326. Liu Y, Samaan JS, Essanaa YM, Lv F, Ji F, Samakar K, Yeo YH. PMID: 38316537.
      View in: PubMed   Mentions:    Fields:    
    7. ChatGPT as a Source of Information for Bariatric Surgery Patients: a Comparative Analysis of Accuracy and Comprehensiveness Between GPT-4 and GPT-3.5. Obes Surg. 2024 May; 34(5):1987-1989. Samaan JS, Rajeev N, Ng WH, Srinivasan N, Busam JA, Yeo YH, Samakar K. PMID: 38564173; PMCID: PMC11031485.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    8. Large language models and bariatric surgery patient education: a comparative readability analysis of GPT-3.5, GPT-4, Bard, and online institutional resources. Surg Endosc. 2024 May; 38(5):2522-2532. Srinivasan N, Samaan JS, Rajeev ND, Kanu MU, Yeo YH, Samakar K. PMID: 38472531; PMCID: PMC11078810.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    9. Perceptions and Expectations Regarding the Step 1 Score Change Among Surgical and Non-Surgical Program Directors: A Systematic Review and Meta-Analysis. Am Surg. 2024 Jun; 90(6):1666-1681. Srinivasan N, Samaan JS, Premkumar A, Rajeev ND, Yeo YH, Samakar K. PMID: 38305212.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    10. Trends and outcomes of intraoperative esophagogastroduodenoscopy during laparoscopic Heller myotomy: a National Surgical Quality Improvement Program analysis. J Gastrointest Surg. 2024 Mar; 28(3):282-284. Wisniowski P, Putnam LR, Samakar K, Martin M, Sundraman S, Houghton C, Lipham J. PMID: 38446115.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    11. Large language models in bariatric surgery patient support: A transformative approach to patient education and engagement. Clin Obes. 2024 Apr; 14(2):e12635. Samaan JS, Rajeev N, Srinivasan N, Yeo YH, Samakar K. PMID: 38140797.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    12. Inclusive AI in Healthcare: Enhancing Bariatric Surgery Education for Diverse Patient Populations. Obes Surg. 2024 Jan; 34(1):270-271. Samaan JS, Yeo YH, Rajeev N, Ng WH, Srinivasan N, Samakar K. PMID: 38032462.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    13. Towards Responsible AI in Patient Education: Ethical, Linguistic, and Regulatory Considerations. Obes Surg. 2023 Dec; 33(12):4160-4161. Samaan JS, Yeo YH, Rajeev N, Ng WH, Srinivasan N, Samakar K. PMID: 37851286.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    14. Providers' Knowledge and Perceptions of Bariatric Surgery: a Systematic Review. Obes Surg. 2023 11; 33(11):3571-3601. Rajeev ND, Samaan JS, Premkumar A, Yu E, Srinivasan N, Samakar K. PMID: 37740831; PMCID: PMC10603000.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    15. Common postbariatric surgery emergencies for the acute care surgeon: What you need to know. J Trauma Acute Care Surg. 2023 12 01; 95(6):817-831. Cheng V, Samakar K, Dobrowolsky AB, Nguyen JD, Abel SA, Pakula A, Bernard A, Martin MJ. PMID: 37982794.
      View in: PubMed   Mentions:    Fields:    Translation:HumansPHPublic Health
    16. Ensuring Ethical and Responsible Integration of AI Tools in Healthcare. Obes Surg. 2023 08; 33(8):2597. Samaan JS, Yeo YH, Rajeev N, Ng WH, Srinivasan N, Samakar K. PMID: 37353693.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    17. Reply to "Assessing the Accuracy of Responses by the Language Model ChatGPT to Questions Regarding Bariatric Surgery: a Critical Appraisal". Obes Surg. 2023 08; 33(8):2590-2591. Samaan JS, Yeo YH, Rajeev N, Ng WH, Srinivasan N, Samakar K. PMID: 37312008.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    18. Predictors of Complications Following Bariatric Surgery for Adolescent Patients. Am Surg. 2023 Oct; 89(10):4031-4037. Cheng V, Grinberg GG, Ashbrook M, Silva J, Samakar K, Yenumula PR. PMID: 37171881.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    19. Assessing the Accuracy of Responses by the Language Model ChatGPT to Questions Regarding Bariatric Surgery. Obes Surg. 2023 06; 33(6):1790-1796. Samaan JS, Yeo YH, Rajeev N, Hawley L, Abel S, Ng WH, Srinivasan N, Park J, Burch M, Watson R, Liran O, Samakar K. PMID: 37106269; PMCID: PMC10234918.
      View in: PubMed   Mentions: 62     Fields:    Translation:Humans
    20. Special Delivery-Metabolic Bariatric Surgery as a Key Component of Maternal-Fetal Health Care. JAMA Surg. 2023 01 01; 158(1):44-45. James T, Samakar K, Martin MJ. PMID: 36350632.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    21. Patient and the Public's Perceptions of Bariatric Surgery: A Systematic Review. J Surg Res. 2023 Mar; 283:385-406. Rajeev ND, Samaan JS, Premkumar A, Srinivasan N, Yu E, Samakar K. PMID: 36434835.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    22. Evaluating the Bariatric Safety Net: Analysis of Socioeconomic Factors and Outcomes at a Bariatric Safety Net Program Compared to an Affiliated Private Center. Obes Surg. 2022 12; 32(12):3973-3983. Wu J, Silva JP, Toriola T, Palmer RC, Hernandez F, Compton E, Abel S, Nguyen JD, Dobrowolsky A, Martin MJ, Samakar K. PMID: 36198928.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    23. Lower Rates of Unplanned Conversion to Open in Robotic Approach to Esophagectomy for Cancer. Am Surg. 2023 Jun; 89(6):2583-2594. Silva JP, Putnam LR, Wu J, Ding L, Samakar K, Abel S, Nguyen JD, Dobrowolsky AB, Bildzukewicz NA, Lipham JC. PMID: 35611934.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    24. Association of Postoperative Dieting, Exercise, Dietitian, and Surgeon Follow up With Bariatric Surgery Outcomes. Am Surg. 2022 Oct; 88(10):2445-2450. Samaan JS, Srinivasan N, Mirocha J, Premkumar A, Toubat O, Qian E, Subramanyam C, Malik Y, Lee N, Sandhu K, Dobrowolsky A, Samakar K. PMID: 35575161.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    25. Hernia-to-neck ratio is associated with emergent ventral hernia repair. Surg Endosc. 2022 12; 36(12):9374-9378. James TJ, Wu J, Won P, Hawley L, Putnam LR, Nguyen JD, Dobrowolsky A, Samakar K. PMID: 35411455.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    26. Gastric electric stimulator versus gastrectomy for the treatment of medically refractory gastroparesis. Surg Endosc. 2022 Oct; 36(10):7561-7568. Samaan JS, Toubat O, Alicuben ET, Dewberry S, Dobrowolski A, Sandhu K, Zehetner J, Lipham JC, Samakar K. PMID: 35338403.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    27. Surgeon Assessment of a Novel Multi-Resolution Foveated Laparoscope. Surg Innov. 2022 Dec; 29(6):769-780. Nguyen M, Nabhani J, Hamilton A, Lee S, Katz J, Samakar K, Ghlandian A, Hua H. PMID: 35331068.
      View in: PubMed   Mentions: 2     Fields:    Translation:HumansAnimals
    28. Factors Associated With Bariatric Surgery Referral Patterns: A Systematic Review. J Surg Res. 2022 08; 276:54-75. Premkumar A, Samaan JS, Samakar K. PMID: 35334384.
      View in: PubMed   Mentions: 10     Fields:    Translation:Humans
    29. History of abuse and bariatric surgery outcomes: a systematic review. Surg Endosc. 2022 07; 36(7):4650-4673. Mohan S, Samaan JS, Premkumar A, Samakar K. PMID: 35277764.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    30. Letter re: Elective Hernia Repair in Obese Patients Letter to the Editor: Response. Am Surg. 2023 Dec; 89(12):6443. James TJ, Samakar K. PMID: 34969309.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    31. Impact of a Body Mass Index Threshold on Abdominal Wall Hernia Repair at a Safety-Net Hospital. Am Surg. 2023 Apr; 89(4):789-793. James TJ, Hawley L, Ding L, Alicuben ET, Samakar K. PMID: 34551627.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    32. Racial disparities in bariatric surgery postoperative weight loss and patient satisfaction. Am J Surg. 2022 05; 223(5):969-974. Samaan JS, Abboud Y, Yuan L, Toubat O, Mirocha J, Qian E, Lee N, Subramanyam C, Samakar K. PMID: 34583849.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    33. Impact of smoking on weight loss outcomes after bariatric surgery: a literature review. Surg Endosc. 2021 11; 35(11):5936-5952. Mohan S, Samaan JS, Samakar K. PMID: 34319440.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    34. Racial disparities in complications and mortality after bariatric surgery: A systematic review. Am J Surg. 2022 05; 223(5):863-878. Stone G, Samaan JS, Samakar K. PMID: 34389157.
      View in: PubMed   Mentions: 10     Fields:    Translation:Humans
    35. Preoperative Weight Loss as a Predictor of Bariatric Surgery Postoperative Weight Loss and Complications. J Gastrointest Surg. 2022 01; 26(1):86-93. Samaan JS, Zhao J, Qian E, Hernandez A, Toubat O, Alicuben ET, Malik Y, Sandhu K, Dobrowolsky A, Samakar K. PMID: 34145492.
      View in: PubMed   Mentions: 9     Fields:    Translation:Humans
    36. Racial disparities in bariatric surgery postoperative weight loss and co-morbidity resolution: a systematic review. Surg Obes Relat Dis. 2021 10; 17(10):1799-1823. Zhao J, Samaan JS, Abboud Y, Samakar K. PMID: 34257030.
      View in: PubMed   Mentions: 12     Fields:    Translation:Humans
    37. Sleeve Gastrectomy as a Novel Procedure for Gastroparesis. Am Surg. 2021 Aug; 87(8):1287-1291. Alicuben ET, Samaan JS, Houghton CC, Soffer E, Lipham JC, Samakar K. PMID: 33342255.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    38. The use of nonsteroidal anti-inflammatory drugs after sleeve gastrectomy. Surg Obes Relat Dis. 2021 Mar; 17(3):484-488. Begian A, Samaan JS, Hawley L, Alicuben ET, Hernandez A, Samakar K. PMID: 33353863.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    39. Safety and efficacy of robotic-assisted groin hernia repair. J Robot Surg. 2021 Aug; 15(4):547-552. Maas MC, Alicuben ET, Houghton CC, Samakar K, Sandhu KK, Dobrowolsky A, Lipham JC, Katkhouda N, Bildzukewicz NA. PMID: 32779131.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    40. Effects of smoking on bariatric surgery postoperative weight loss and patient satisfaction. Surg Endosc. 2021 07; 35(7):3584-3591. Samaan JS, Mohan S, Toubat O, Qian E, Lee N, Subramanyam C, Alicuben ET, Dobrowolsky A, Sandhu K, Samakar K. PMID: 32700150.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    41. Laparoscopy as a Diagnostic and Therapeutic Modality for Chronic Abdominal Pain of Unknown Etiology: A Literature Review. J Surg Res. 2020 08; 252:222-230. Zhao J, Samaan JS, Toubat O, Samakar K. PMID: 32289579.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    42. Management of lateral abdominal hernias. Hernia. 2020 04; 24(2):353-358. Katkhouda N, Alicuben ET, Pham V, Sandhu K, Samakar K, Bildzukewicz N, Houghton C, Dunn CP, Hawley L, Lipham J. PMID: 32052297.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    43. Efficacy of Laparoscopy in Diagnosis and Treatment of Chronic Abdominal Pain of Unknown Origin. Am Surg. 2019 Oct 01; 85(10):1104-1107. Samaan JS, Chang E, Hart NJ, Alicuben ET, Samaan F, Ghlandian A, Samakar K. PMID: 31657303.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    44. Removing the magnetic sphincter augmentation device: operative management and outcomes. Surg Endosc. 2019 08; 33(8):2663-2669. Tatum JM, Alicuben E, Bildzukewicz N, Samakar K, Houghton CC, Lipham JC. PMID: 30386987.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    45. Anatomical Basis of the Gastroepiploic Vascularized Lymph Node Transfer: A Radiographic Evaluation Using Computed Tomographic Angiography. Plast Reconstr Surg. 2018 10; 142(4):1046-1052. Howell AC, Gould DJ, Mayfield C, Samakar K, Hassani C, Patel KM. PMID: 30020230.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    46. Routine esophageal manometry is not useful in patients with normal videoesophagram. Surg Endosc. 2019 05; 33(5):1650-1653. Alicuben ET, Bildzukewicz N, Samakar K, Katkhouda N, Dobrowolsky A, Sandhu K, Lipham JC. PMID: 30251140.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    47. Regression of intestinal metaplasia following magnetic sphincter augmentation device placement. Surg Endosc. 2019 02; 33(2):576-579. Alicuben ET, Tatum JM, Bildzukewicz N, Samakar K, Samaan JS, Silverstein EN, Sandhu K, Houghton CC, Lipham JC. PMID: 30046950.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    48. Minimal versus obligatory dissection of the diaphragmatic hiatus during magnetic sphincter augmentation surgery. Surg Endosc. 2019 03; 33(3):782-788. Tatum JM, Alicuben E, Bildzukewicz N, Samakar K, Houghton CC, Lipham JC. PMID: 30006845.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    49. Videoesophagography versus Endoscopy for Prediction of Intraoperative Hiatal Hernia Size. Am Surg. 2018 Mar 01; 84(3):387-391. Tatum JM, Samakar K, Bowdish ME, Mack WJ, Bildzukewicz N, Lipham JC. PMID: 29559053.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    50. Hiatal hernia recurrence following magnetic sphincter augmentation and posterior cruroplasty: intermediate-term outcomes. Surg Endosc. 2018 07; 32(7):3374-3379. Rona KA, Tatum JM, Zehetner J, Schwameis K, Chow C, Samakar K, Dobrowolsky A, Houghton CC, Bildzukewicz N, Lipham JC. PMID: 29340828.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    51. Gastric cancer in the young: An advanced disease with poor prognostic features. J Surg Oncol. 2017 Mar; 115(4):371-375. Rona KA, Schwameis K, Zehetner J, Samakar K, Green K, Samaan J, Sandhu K, Bildzukewicz N, Katkhouda N, Lipham JC. PMID: 28008624.
      View in: PubMed   Mentions: 47     Fields:    Translation:Humans
    52. Efficacy of magnetic sphincter augmentation in patients with large hiatal hernias. Surg Endosc. 2017 05; 31(5):2096-2102. Rona KA, Reynolds J, Schwameis K, Zehetner J, Samakar K, Oh P, Vong D, Sandhu K, Katkhouda N, Bildzukewicz N, Lipham JC. PMID: 27553803.
      View in: PubMed   Mentions: 28     Fields:    Translation:Humans
    53. Safety and efficacy of single-stage conversion of failed adjustable gastric band to laparoscopic Roux-en-Y gastric bypass: a case-control study. Surg Endosc. 2016 12; 30(12):5453-5458. Samakar K, McKenzie TJ, Kaberna J, Tavakkoli A, Vernon AH, Madenci AL, Shikora SA, Robinson MK. PMID: 27129555.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    54. The Effect of Laparoscopic Sleeve Gastrectomy with Concomitant Hiatal Hernia Repair on Gastroesophageal Reflux Disease in the Morbidly Obese. Obes Surg. 2016 Jan; 26(1):61-6. Samakar K, McKenzie TJ, Tavakkoli A, Vernon AH, Robinson MK, Shikora SA. PMID: 25990380.
      View in: PubMed   Mentions: 31     Fields:    Translation:Humans
    55. Erratum to: The Effect of Laparoscopic Sleeve Gastrectomy with Concomitant Hiatal Hernia Repair on Gastroesophageal Reflux Disease in the Morbidly Obese. Obes Surg. 2016 Jan; 26(1):67. Samakar K, McKenzie TJ, Tavakkoli A, Vernon AH, Robinson MK, Shikora SA. PMID: 26391279.
      View in: PubMed   Mentions:    Fields:    
    56. Asymptomatic ruptured giant popliteal aneurysm. J Vasc Surg. 2013 Oct; 58(4):1090. Tschen JA, Samakar K, Patel ST, Abou-Zamzam AM. PMID: 24075108.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
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