Luke Putnam

Title(s)Assistant Professor of Clinical Surgery
SchoolKeck School of Medicine of Usc
Address1520 San Pablo St.
Health Sciences Campus
Los Angeles CA 90033
ORCID ORCID Icon0000-0001-7455-0919 Additional info
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    Collapse Biography 
    Collapse Education and Training
    Universidad Autonoma de Guadalajara, Guadalajara, MexicoMDMedicine
    University of Texas, San Antonio, San Antonio, TXGeneral Surgery Residency
    University of Texas, Houston, Houston, TXMSClinical Research
    University of California, Irvine, Orange, CAGeneral Surgery Residency
    University of Southern California, Los Angeles, CAFellowship in Upper Gastrointestinal and Minimally Invasive Surgery

    Collapse Overview 

    Collapse Bibliographic 
    Collapse Publications
    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. Trends and predictors of laparoscopic compared with open emergent inguinal hernia repair. Surgery. 2024 Sep 09. Tran A, Shiraga S, Abel S, Samakar K, Putnam LR. PMID: 39256097.
      View in: PubMed   Mentions:    Fields:    
    2. Reconstruction Techniques and Associated Morbidity in Minimally Invasive Gastrectomy for Cancer - Insights from the GastroBenchmark and GASTRODATA databases. Ann Surg. 2024 Aug 05. Schneider MA, Kim J, Berlth F, Sugita Y, Grimminger PP, Wijnhoven BPL, Overtoom H, Gockel I, Thieme R, Griffiths EA, Butterworth W, Nienhüser H, Müller B, Crnovrsanin N, Gero D, Nickel F, Gisbertz S, van Berge Henegouwen MI, Pucher PH, Khan K, Chaudry A, Patel PH, Pera M, Dal Cero M, Garcia C, Martinez Salinas G, Kassab P, Prado Castro OA, Norero E, Wisniowski P, Putnam LR, Lombardi PM, Ferrari G, Gudaityte R, Maleckas A, Prodehl L, Castaldi A, Prudhomme M, Lee HJ, Sano T, Baiocchi GL, De Manzoni G, Giacopuzzi S, Bencivenga M, Rosati R, Puccetti F, D'Ugo D, Nunobe S, Yang HK, Gutschow CA, GASTRODATA consortium. PMID: 39101212; PMCID: PMC11446507.
      View in: PubMed   Mentions:    Fields:    
    3. Utility of the mFI-5 as a predictor of post-operative outcomes following gastrectomy for gastric cancer: an ACS-NSQIP analysis. Surg Endosc. 2024 Oct; 38(10):5922-5928. Tran A, Putnam LR, Lipham JC, Shiraga S. PMID: 39046494.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    4. Cruroplasty as a standalone treatment for recurrent hiatal hernia repair. Hernia. 2024 10; 28(5):1817-1822. Tran A, Putnam LR, Harvey L, Lipham JC. PMID: 38896190; PMCID: PMC11449985.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    5. Short term safety of magnetic sphincter augmentation vs minimally invasive fundoplication: an ACS-NSQIP analysis. Surg Endosc. 2024 Apr; 38(4):1944-1949. Wisniowski P, Putnam LR, Gallagher S, Rawal R, Houghton C, Lipham JC. PMID: 38334778; PMCID: PMC10978616.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    6. 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
    7. Use of magnetic sphincter augmentation as an adjunct procedure in paraesophageal hernia repair. Dis Esophagus. 2023 Jun 15; 36(Supplement_1). Wisniowski P, Putnam LR, Lipham J. PMID: 37317931.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    8. Impact of Robotic Approach on Post-Anastomotic Leaks After Esophagectomy for Esophageal Cancer. Am Surg. 2022 Oct; 88(10):2499-2507. Wu J, Putnam LR, Silva JP, Houghton C, Bildzukewicz N, Lipham JC. PMID: 35652374.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    9. 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
    10. 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
    11. Loosening the belt on magnetic sphincter augmentation indications: does body mass index matter? Surg Endosc. 2022 07; 36(7):4878-4884. James TJ, Burke JF, Putnam LR, Pan J, Bildzukewicz NA, Bell R, Lipham JC. PMID: 34750701.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    12. Understanding the GERD Barrier. J Clin Gastroenterol. 2021 07 01; 55(6):459-468. Dunn CP, Wu J, Gallagher SP, Putnam LR, Bildzukewicz NA, Lipham JC. PMID: 33883513.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    13. Magnetic sphincter augmentation with hiatal hernia repair: long term outcomes. Surg Endosc. 2021 10; 35(10):5607-5612. Dunn CP, Zhao J, Wang JC, Patel TA, Putnam LR, Eka A, Houghton CC, Bildzukewicz NA, Lipham JC. PMID: 33029733.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    14. Less is more: cruroplasty alone is sufficient for revisional hiatal hernia surgery. Surg Endosc. 2021 08; 35(8):4661-4666. Nguyen R, Dunn CP, Putnam L, Won P, Patel T, Brito S, Bildzukewicz NA, Lipham JC. PMID: 32839876.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    15. Povidone-iodine Irrigation for Pediatric Perforated Appendicitis May Be Protective: A Bayesian Pilot Randomized Controlled Trial. Ann Surg. 2020 05; 271(5):827-833. Anderson KT, Putnam LR, Bartz-Kurycki MA, Hamilton EC, Yafi M, Pedroza C, Austin MT, Kawaguchi AL, Kao LS, Lally KP, Tsao K. PMID: 31567357.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    16. Novel Utility of Amplatzer Septal Occlusion Device to Treat Persistent Aortocaval Fistula following Ruptured Endovascular Aortic Aneurysm Repair (rEVAR). Ann Vasc Surg. 2020 May; 65:283.e7-283.e11. Lee P, Sheehan BM, Gordon I, Maithel S, Putnam L, Khalsa B, Fujitani RF, Borghei P, Kabutey NK. PMID: 31678543.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    17. Using a Second Stakeholder-Driven Variance Reporting System Improves Pediatric Perioperative Safety. Pediatr Qual Saf. 2019 Sep-Oct; 4(5):e220. Kawaguchi AL, Jain R, Hebballi NB, Pham DH, Putnam LR, Kao LS, Lally KP, Tsao K. PMID: 31745523; PMCID: PMC6831050.
      View in: PubMed   Mentions:
    18. Evolving changes of minimally invasive esophagectomy: a single-institution experience. Surg Endosc. 2020 06; 34(6):2503-2511. Gambhir S, Daly S, Maithel S, Putnam LR, Nguyen J, Smith BR, Nguyen NT. PMID: 31385074.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    19. Aggressive Surgical Management of Congenital Diaphragmatic Hernia: Worth the Effort?: A Multicenter, Prospective, Cohort Study. Ann Surg. 2018 05; 267(5):977-982. Harting MT, Hollinger L, Tsao K, Putnam LR, Wilson JM, Hirschl RB, Skarsgard ED, Tibboel D, Brindle ME, Lally PA, Miller CC, Lally KP, Congenital Diaphragmatic Hernia Study Group. PMID: 28134682.
      View in: PubMed   Mentions: 11     Fields:    Translation:Humans
    20. Measuring the Value of a Clinical Practice Guideline for Children With Perforated Appendicitis. Ann Surg. 2017 07; 266(1):195-200. Robinson JR, Avritscher EBC, Gay JC, Willis ZI, Putnam LR, Anglemyer A, Pedroza C, Tyson JE, Blakely ML. PMID: 27501175; PMCID: PMC10210014.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    21. Does compliance with antibiotic prophylaxis in pediatric simple appendicitis matter? J Surg Res. 2017 08; 216:1-8. Mueck KM, Putnam LR, Anderson KT, Lally KP, Tsao K, Kao LS. PMID: 28807192.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    22. Factors associated with early recurrence after congenital diaphragmatic hernia repair. J Pediatr Surg. 2017 Jun; 52(6):928-932. Putnam LR, Gupta V, Tsao K, Davis CF, Lally PA, Lally KP, Harting MT, Congenital Diaphragmatic Hernia Study Group. PMID: 28359590.
      View in: PubMed   Mentions: 22     Fields:    Translation:Humans
    23. Minimally Invasive vs Open Congenital Diaphragmatic Hernia Repair: Is There a Superior Approach? J Am Coll Surg. 2017 Apr; 224(4):416-422. Putnam LR, Tsao K, Lally KP, Blakely ML, Jancelewicz T, Lally PA, Harting MT, Congenital Diaphragmatic Hernia Study Group and the Pediatric Surgery Research Collaborative. PMID: 28147253.
      View in: PubMed   Mentions: 16     Fields:    Translation:Humans
    24. Imaging gently? Higher rates of computed tomography imaging for pediatric appendicitis in non-children's hospitals. Surgery. 2017 05; 161(5):1326-1333. Anderson KT, Putnam LR, Caldwell KM, B Diffley M, A Hildebrandt A, Covey SE, Austin MT, Kawaguchi AL, Lally KP, Tsao K. PMID: 27919452.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    25. Evaluation of Variability in Inhaled Nitric Oxide Use and Pulmonary Hypertension in Patients With Congenital Diaphragmatic Hernia. JAMA Pediatr. 2016 12 01; 170(12):1188-1194. Putnam LR, Tsao K, Morini F, Lally PA, Miller CC, Lally KP, Harting MT, Congenital Diaphragmatic Hernia Study Group. PMID: 27723858.
      View in: PubMed   Mentions: 34     Fields:    Translation:Humans
    26. Congenital Diaphragmatic Hernia Defect Size and Infant Morbidity at Discharge. Pediatrics. 2016 11; 138(5). Putnam LR, Harting MT, Tsao K, Morini F, Yoder BA, Luco M, Lally PA, Lally KP, Congenital Diaphragmatic Hernia Study Group. PMID: 27940787.
      View in: PubMed   Mentions: 26     Fields:    Translation:Humans
    27. Surgical site infection reporting: more than meets the agar. J Pediatr Surg. 2017 Jan; 52(1):156-160. Putnam LR, Ostovar-Kermani TG, Le Blanc A, Anderson KT, Holzmann-Pazgal G, Lally KP, Tsao K. PMID: 27863822.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    28. The impact of cardiac risk factors on short-term outcomes for children undergoing a Ladd procedure. J Pediatr Surg. 2017 Mar; 52(3):390-394. Putnam LR, Anderson KT, Tsao K, Kao LS, Lugo JA, Lally KP, Kawaguchi AL. PMID: 27894758.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    29. Don't forget the dose: Improving computed tomography dosing for pediatric appendicitis. J Pediatr Surg. 2016 Dec; 51(12):1944-1948. Anderson KT, Greenfield S, Putnam LR, Hamilton E, Kawaguchi A, Austin MT, Kao LS, John SD, Lally KP, Tsao K. PMID: 27692347.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    30. Meaningful use and good catches: More appropriate metrics for checklist effectiveness. Surgery. 2016 12; 160(6):1675-1681. Putnam LR, Anderson KT, Diffley MB, Hildebrandt AA, Caldwell KM, Minzenmayer AN, Covey SE, Kawaguchi AL, Lally KP, Tsao K. PMID: 27473370.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansPHPublic Health
    31. Prophylactic versus symptomatic Ladd procedures for pediatric malrotation. J Surg Res. 2016 10; 205(2):327-330. Covey SE, Putnam LR, Anderson KT, Tsao K. PMID: 27664880.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    32. How Should Surgical Residents Be Educated About Patient Safety: A Pilot Randomized Controlled Trial. J Surg Educ. 2016 Jul-Aug; 73(4):660-7. Putnam LR, Pham DH, Ostovar-Kermani TG, Alawadi ZM, Etchegaray JM, Ottosen MJ, Thomas EJ, Lesslie DP, Kao LS, Lally KP, Tsao K. PMID: 27137661.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    33. Improving the Quality of Quality Improvement Reporting: Standards for Quality Improvement Reporting Excellence (SQUIRE) 2.0 Guidelines. JAMA Surg. 2016 Apr; 151(4):311-2. Mueck KM, Putnam LR, Kao LS. PMID: 26791439.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    34. Laboratory evaluation for pediatric patients with suspected necrotizing soft tissue infections: A case-control study. J Pediatr Surg. 2016 Jun; 51(6):1022-5. Putnam LR, Richards MK, Sandvall BK, Hopper RA, Waldhausen JH, Harting MT. PMID: 27233372.
      View in: PubMed   Mentions: 10     Fields:    Translation:Humans
    35. The Impact of Socioeconomic Status on Appendiceal Perforation in Pediatric Appendicitis. J Pediatr. 2016 Mar; 170:156-60.e1. Putnam LR, Tsao K, Nguyen HT, Kellagher CM, Lally KP, Austin MT. PMID: 26922766.
      View in: PubMed   Mentions: 13     Fields:    Translation:Humans
    36. A multicenter, pediatric quality improvement initiative improves surgical wound class assignment, but is it enough? J Pediatr Surg. 2016 Apr; 51(4):639-44. Putnam LR, Levy SM, Blakely ML, Lally KP, Wyrick DL, Dassinger MS, Russell RT, Huang EY, Vogel AM, Streck CJ, Kawaguchi AL, Calkins CM, St Peter SD, Abbas PI, Lopez ME, Tsao K, Pediatric Surgical Research Collaborative. PMID: 26590473.
      View in: PubMed   Mentions: 2     Fields:    Translation:HumansCTClinical Trials
    37. A statewide analysis of specialized care for pediatric appendicitis. Surgery. 2015 Sep; 158(3):787-92. Putnam LR, Nguyen LK, Lally KP, Franzini L, Tsao K, Austin MT. PMID: 26116051.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    38. Surgical resident education in patient safety: where can we improve? J Surg Res. 2015 Dec; 199(2):308-13. Putnam LR, Levy SM, Kellagher CM, Etchegaray JM, Thomas EJ, Kao LS, Lally KP, Tsao K. PMID: 26165614.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    39. Adherence to surgical antibiotic prophylaxis remains a challenge despite multifaceted interventions. Surgery. 2015 Aug; 158(2):413-9. Putnam LR, Chang CM, Rogers NB, Podolnick JM, Sakhuja S, Matusczcak M, Austin MT, Kao LS, Lally KP, Tsao K. PMID: 26054317.
      View in: PubMed   Mentions: 13     Fields:    Translation:Humans
    40. The utility of the contrast enema in neonates with suspected Hirschsprung disease. J Pediatr Surg. 2015 Jun; 50(6):963-6. Putnam LR, John SD, Greenfield SA, Kellagher CM, Austin MT, Lally KP, Tsao K. PMID: 25888274.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    41. Surgical wound classification for pediatric appendicitis remains poorly documented despite targeted interventions. J Pediatr Surg. 2015 Jun; 50(6):915-8. Putnam LR, Levy SM, Holzmann-Pazgal G, Lally KP, Lillian S K, Tsao K. PMID: 25890481.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    42. Impact of a 24-hour discharge pathway on outcomes of pediatric appendectomy. Surgery. 2014 Aug; 156(2):455-61. Putnam LR, Levy SM, Johnson E, Williams K, Taylor K, Kao LS, Lally KP, Tsao K. PMID: 24962193.
      View in: PubMed   Mentions: 10     Fields:    Translation:Humans
    43. Multifaceted interventions improve adherence to the surgical checklist. Surgery. 2014 Aug; 156(2):336-44. Putnam LR, Levy SM, Sajid M, Dubuisson DA, Rogers NB, Kao LS, Lally KP, Tsao K. PMID: 24947646.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    44. Anesthesia in the morbidly obese patient. South Med J. 1974 Dec; 67(12):1411-7. Putnam L, Jenicek JA, Allen CR, Wilson RD. PMID: 4432081.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
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