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Kamran Samakar

Professor of Clinical Surgery

Program Director, Keck Hospital Bariatric Surgery

Director, Bariatric Surgery Program at CHLA

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Publications

  • Should we continue to follow the swallow? Limited value of routine preoperative upper gastrointestinal (UGI) series in pediatric and adolescent metabolic and bariatric surgery patients. J Pediatr Surg. 2026 May 04; 61(8):163177.. View in PubMed
  • Short-Term Safety and Healthcare Utilization Following Intragastric Balloon Placement in Patients With and Without Diabetes Mellitus: A Propensity-Matched Analysis. Obes Surg. 2026 Apr; 36(4):1849-1861.. View in PubMed
  • Safety Profile of Primary Intragastric Balloon Placement in Class III Obesity: An MBSAQIP Analysis of 4,555 Patients. Obes Surg. 2026 Apr; 36(4):1757-1765.. View in PubMed
  • Invited Commentary: Bariatric Surgery as Preventive Health: A New Pathway for Men’s Health. J Am Coll Surg. 2026 Mar 01; 242(3):692-694.. View in PubMed
  • Family Perceptions of Pediatric Metabolic and Bariatric Surgery in a Safety-Net Obesity Clinic. Child Obes. 2026 Mar; 22(2):80-90.. View in PubMed
  • Beyond surgery: a multimodal framework for a pediatric metabolic and bariatric surgery program in a safety-net children’s hospital. Surg Obes Relat Dis. 2026 03; 22(3):336-343.. View in PubMed
  • Impact of preoperative and postoperative anti-obesity medications on early postoperative body mass index reduction after sleeve gastrectomy in pediatrics. Surg Obes Relat Dis. 2026 02; 22(2):280-289.. View in PubMed
  • Use of obesity medications in a young pediatric patient with optic nerve hypoplasia and severe early-onset obesity: A case report. Obes Pillars. 2025 Dec; 16:100192.. View in PubMed
  • Perspectives of Patients Seeking Bariatric Surgery: The Impact of Early Patient-Provider Communication on Bariatric Surgery Utilization. Obes Surg. 2025 Nov; 35(11):4639-4651.. View in PubMed
  • Bariatric surgery and semaglutide in a youth with juvenile Huntington disease and severe obesity: a case report. J Med Case Rep. 2025 Oct 21; 19(1):523.. View in PubMed
  • A Comparative Analysis of the Accuracy and Readability of Popular Artificial Intelligence-Chat Bots for Inguinal Hernia Management. Am Surg. 2025 Oct; 91(10):1729-1734.. View in PubMed
  • Type 2 Diabetes in a 4-Year-Old With Obesity: Considerations for Use of Semaglutide and Bariatric Surgery in Children. JCEM Case Rep. 2025 Sep; 3(9):luaf142.. View in PubMed
  • ASMBS literature review & clinical guidelines on prevention, diagnosis, and treatment of Wernicke’s encephalopathy and Wernicke-Korsakoff syndrome. Surg Obes Relat Dis. 2025 07; 21(7):707-718.. View in PubMed
  • Early Reinitiation of Obesity Pharmacotherapy Post Laparoscopic Sleeve Gastrectomy in Youth: A Retrospective Cohort Study. Obes Surg. 2025 Feb; 35(2):406-418.. View in PubMed
  • 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.. View in PubMed
  • Trends and predictors of laparoscopic compared with open emergent inguinal hernia repair. Surgery. 2024 12; 176(6):1661-1667.. View in PubMed
  • Safety of redo sleeve gastrectomy as a primary revisional procedure. Surg Obes Relat Dis. 2024 11; 20(11):1084-1089.. View in PubMed
  • 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.. View in PubMed
  • 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 05; 38(5):2522-2532.. View in PubMed
  • 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 05; 34(5):1987-1989.. View in PubMed
  • 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.. View in PubMed
  • Large language models in bariatric surgery patient support: A transformative approach to patient education and engagement. Clin Obes. 2024 Apr; 14(2):e12635.. View in PubMed
  • Trends and outcomes of intraoperative esophagogastroduodenoscopy during laparoscopic Heller myotomy: a National Surgical Quality Improvement Program analysis. J Gastrointest Surg. 2024 03; 28(3):282-284.. View in PubMed
  • Inclusive AI in Healthcare: Enhancing Bariatric Surgery Education for Diverse Patient Populations. Obes Surg. 2024 01; 34(1):270-271.. View in PubMed
  • Letter re: Elective Hernia Repair in Obese Patients Letter to the Editor: Response. Am Surg. 2023 12; 89(12):6443.. View in PubMed
  • 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.. View in PubMed
  • Towards Responsible AI in Patient Education: Ethical, Linguistic, and Regulatory Considerations. Obes Surg. 2023 12; 33(12):4160-4161.. View in PubMed
  • Providers’ Knowledge and Perceptions of Bariatric Surgery: a Systematic Review. Obes Surg. 2023 11; 33(11):3571-3601.. View in PubMed
  • Predictors of Complications Following Bariatric Surgery for Adolescent Patients. Am Surg. 2023 Oct; 89(10):4031-4037.. View in PubMed
  • Ensuring Ethical and Responsible Integration of AI Tools in Healthcare. Obes Surg. 2023 08; 33(8):2597.. View in PubMed
  • 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.. View in PubMed
  • Lower Rates of Unplanned Conversion to Open in Robotic Approach to Esophagectomy for Cancer. Am Surg. 2023 Jun; 89(6):2583-2594.. View in PubMed
  • Assessing the Accuracy of Responses by the Language Model ChatGPT to Questions Regarding Bariatric Surgery. Obes Surg. 2023 06; 33(6):1790-1796.. View in PubMed
  • 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.. View in PubMed
  • Patient and the Public’s Perceptions of Bariatric Surgery: A Systematic Review. J Surg Res. 2023 Mar; 283:385-406.. View in PubMed
  • Special Delivery-Metabolic Bariatric Surgery as a Key Component of Maternal-Fetal Health Care. JAMA Surg. 2023 01 01; 158(1):44-45.. View in PubMed
  • Hernia-to-neck ratio is associated with emergent ventral hernia repair. Surg Endosc. 2022 12; 36(12):9374-9378.. View in PubMed
  • Surgeon Assessment of a Novel Multi-Resolution Foveated Laparoscope. Surg Innov. 2022 Dec; 29(6):769-780.. View in PubMed
  • 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.. View in PubMed
  • Gastric electric stimulator versus gastrectomy for the treatment of medically refractory gastroparesis. Surg Endosc. 2022 Oct; 36(10):7561-7568.. View in PubMed
  • Association of Postoperative Dieting, Exercise, Dietitian, and Surgeon Follow up With Bariatric Surgery Outcomes. Am Surg. 2022 Oct; 88(10):2445-2450.. View in PubMed
  • Factors Associated With Bariatric Surgery Referral Patterns: A Systematic Review. J Surg Res. 2022 08; 276:54-75.. View in PubMed
  • History of abuse and bariatric surgery outcomes: a systematic review. Surg Endosc. 2022 07; 36(7):4650-4673.. View in PubMed
  • Racial disparities in bariatric surgery postoperative weight loss and patient satisfaction. Am J Surg. 2022 05; 223(5):969-974.. View in PubMed
  • Racial disparities in complications and mortality after bariatric surgery: A systematic review. Am J Surg. 2022 05; 223(5):863-878.. View in PubMed
  • Preoperative Weight Loss as a Predictor of Bariatric Surgery Postoperative Weight Loss and Complications. J Gastrointest Surg. 2022 01; 26(1):86-93.. View in PubMed
  • Impact of smoking on weight loss outcomes after bariatric surgery: a literature review. Surg Endosc. 2021 11; 35(11):5936-5952.. View in PubMed
  • 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.. View in PubMed
  • Safety and efficacy of robotic-assisted groin hernia repair. J Robot Surg. 2021 Aug; 15(4):547-552.. View in PubMed
  • Sleeve Gastrectomy as a Novel Procedure for Gastroparesis. Am Surg. 2021 Aug; 87(8):1287-1291.. View in PubMed
  • Effects of smoking on bariatric surgery postoperative weight loss and patient satisfaction. Surg Endosc. 2021 07; 35(7):3584-3591.. View in PubMed
  • The use of nonsteroidal anti-inflammatory drugs after sleeve gastrectomy. Surg Obes Relat Dis. 2021 Mar; 17(3):484-488.. View in PubMed
  • 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.. View in PubMed
  • Management of lateral abdominal hernias. Hernia. 2020 04; 24(2):353-358.. View in PubMed
  • Efficacy of Laparoscopy in Diagnosis and Treatment of Chronic Abdominal Pain of Unknown Origin. Am Surg. 2019 Oct 01; 85(10):1104-1107.. View in PubMed
  • Removing the magnetic sphincter augmentation device: operative management and outcomes. Surg Endosc. 2019 08; 33(8):2663-2669.. View in PubMed
  • Routine esophageal manometry is not useful in patients with normal videoesophagram. Surg Endosc. 2019 05; 33(5):1650-1653.. View in PubMed
  • Minimal versus obligatory dissection of the diaphragmatic hiatus during magnetic sphincter augmentation surgery. Surg Endosc. 2019 03; 33(3):782-788.. View in PubMed
  • Regression of intestinal metaplasia following magnetic sphincter augmentation device placement. Surg Endosc. 2019 02; 33(2):576-579.. View in PubMed
  • 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.. View in PubMed
  • Hiatal hernia recurrence following magnetic sphincter augmentation and posterior cruroplasty: intermediate-term outcomes. Surg Endosc. 2018 07; 32(7):3374-3379.. View in PubMed
  • Videoesophagography versus Endoscopy for Prediction of Intraoperative Hiatal Hernia Size. Am Surg. 2018 Mar 01; 84(3):387-391.. View in PubMed
  • Efficacy of magnetic sphincter augmentation in patients with large hiatal hernias. Surg Endosc. 2017 05; 31(5):2096-2102.. View in PubMed
  • Gastric cancer in the young: An advanced disease with poor prognostic features. J Surg Oncol. 2017 Mar; 115(4):371-375.. View in PubMed
  • 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.. View in PubMed
  • 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.. View in PubMed
  • 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.. View in PubMed
  • Asymptomatic ruptured giant popliteal aneurysm. J Vasc Surg. 2013 Oct; 58(4):1090.. View in PubMed

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