Harvard Catalyst Profiles

Contact, publication, and social network information about Harvard faculty and fellows.

George Velmahos, M.D.

Co-Author

This page shows the publications co-authored by George Velmahos and Peter Fagenholz.
Connection Strength

8.316
  1. Abscess due to perforated appendicitis: factors associated with successful percutaneous drainage. Am J Surg. 2016 Oct; 212(4):794-798.
    View in: PubMed
    Score: 0.656
  2. The Role of Transaminases in Predicting Choledocholithiasis. A Novel Predictive Composite Score Development in a Cohort of 1089 Patients Undergoing Laparoscopic Cholecystectomy. Am Surg. 2021 Mar 12; 3134821998664.
    View in: PubMed
    Score: 0.238
  3. Gastrointestinal Complications in Critically Ill Patients With COVID-19. Ann Surg. 2020 08; 272(2):e61-e62.
    View in: PubMed
    Score: 0.228
  4. Gastrointestinal Complications in Critically Ill Patients With COVID-19. Ann Surg. 2020 May 01.
    View in: PubMed
    Score: 0.224
  5. Mild traumatic brain injuries with minor intracranial hemorrhage: Can they Be safely managed in the community? - A cohort study. Int J Surg. 2020 Apr; 76:88-92.
    View in: PubMed
    Score: 0.221
  6. Spontaneous Retroperitoneal and Rectus Sheath Hemorrhage-Management, Risk Factors and Outcomes. World J Surg. 2019 08; 43(8):1890-1897.
    View in: PubMed
    Score: 0.213
  7. Preoperative endoscopic retrograde cholangio-pancreatography (ERCP) is a risk factor for surgical site infections after laparoscopic cholecystectomy. Am J Surg. 2019 07; 218(1):140-144.
    View in: PubMed
    Score: 0.201
  8. Derivation and validation of a practical Bedside Score for the diagnosis of cholecystitis. Am J Emerg Med. 2019 01; 37(1):61-66.
    View in: PubMed
    Score: 0.195
  9. Serum Levels of Albumin and Prealbumin Do Not Correlate With Nutrient Delivery in Surgical Intensive Care Unit Patients. Nutr Clin Pract. 2018 Jun; 33(3):419-425.
    View in: PubMed
    Score: 0.195
  10. Bile Spillage as a Risk Factor for Surgical Site Infection after Laparoscopic Cholecystectomy: A Prospective Study of 1,001 Patients. J Am Coll Surg. 2018 06; 226(6):1030-1035.
    View in: PubMed
    Score: 0.193
  11. Early nutritional inadequacy is associated with psoas muscle deterioration and worse clinical outcomes in critically ill surgical patients. J Crit Care. 2018 06; 45:7-13.
    View in: PubMed
    Score: 0.191
  12. The Role of Computed Tomography in the Diagnosis of Necrotizing Soft Tissue Infections. World J Surg. 2018 01; 42(1):82-87.
    View in: PubMed
    Score: 0.191
  13. Early Protein Inadequacy Is Associated With Longer Intensive Care Unit Stay and Fewer Ventilator-Free Days: A Retrospective Analysis of Patients With Prolonged Surgical Intensive Care Unit Stay. JPEN J Parenter Enteral Nutr. 2018 Jan; 42(1):212-218.
    View in: PubMed
    Score: 0.189
  14. Effects of a New Hospital-Wide Surgical Consultation Protocol in Patients with Clostridium difficile Colitis. Surg Infect (Larchmt). 2017 Jul; 18(5):563-569.
    View in: PubMed
    Score: 0.183
  15. Hypophosphatemia in Enterally Fed Patients in the Surgical Intensive Care Unit: Common but Unrelated to Timing of Initiation or Aggressiveness of Nutrition Delivery. Nutr Clin Pract. 2017 Apr; 32(2):252-257.
    View in: PubMed
    Score: 0.181
  16. Long-Term Outcomes Following Percutaneous Cholecystostomy Tube Placement for Treatment of Acute Calculous Cholecystitis. J Gastrointest Surg. 2017 05; 21(5):761-769.
    View in: PubMed
    Score: 0.180
  17. Hypophosphatemia in Enterally Fed Patients in the Surgical Intensive Care Unit. Nutr Clin Pract. 2017 Apr; 32(2):252-257.
    View in: PubMed
    Score: 0.175
  18. Gangrenous cholecystitis: Deceiving ultrasounds, significant delay in surgical consult, and increased postoperative morbidity! J Trauma Acute Care Surg. 2015 Nov; 79(5):812-6.
    View in: PubMed
    Score: 0.164
  19. Additional Imaging in Alert Trauma Patients with Cervical Spine Tenderness and a Negative Computed Tomographic Scan: Is it Needed? World J Surg. 2015 Nov; 39(11):2685-90.
    View in: PubMed
    Score: 0.164
  20. Computed Tomography Is More Sensitive than Ultrasound for the Diagnosis of Acute Cholecystitis. Surg Infect (Larchmt). 2015 Oct; 16(5):509-12.
    View in: PubMed
    Score: 0.163
  21. Peer-to-peer physician feedback improves adherence to blood transfusion guidelines in the surgical intensive care unit. J Trauma Acute Care Surg. 2015 Jul; 79(1):65-70.
    View in: PubMed
    Score: 0.160
  22. Adequate Nutrition May Get You Home: Effect of Caloric/Protein Deficits on the Discharge Destination of Critically Ill Surgical Patients. JPEN J Parenter Enteral Nutr. 2016 Jan; 40(1):37-44.
    View in: PubMed
    Score: 0.159
  23. Delayed laparotomy after selective non-operative management of penetrating abdominal injuries. World J Surg. 2015 Feb; 39(2):380-6.
    View in: PubMed
    Score: 0.156
  24. Goal-directed diuresis: A case - control study of continuous furosemide infusion in critically ill trauma patients. J Emerg Trauma Shock. 2015 Jan-Mar; 8(1):34-8.
    View in: PubMed
    Score: 0.155
  25. Patterns of injury, outcomes, and predictors of in-hospital and 1-year mortality in nonagenarian and centenarian trauma patients. JAMA Surg. 2014 Oct; 149(10):1054-9.
    View in: PubMed
    Score: 0.152
  26. Single-stage cholecystectomy at the time of pancreatic necrosectomy is safe and prevents future biliary complications: a 20-year single institutional experience with 217 consecutive patients. J Gastrointest Surg. 2015 Jan; 19(1):32-7; discussion 37-8.
    View in: PubMed
    Score: 0.152
  27. Derivation and validation of a novel severity classification for intraoperative adverse events. J Am Coll Surg. 2014 Jun; 218(6):1120-8.
    View in: PubMed
    Score: 0.146
  28. Fulminant Clostridium difficile colitis: prospective development of a risk scoring system. J Trauma Acute Care Surg. 2014 Feb; 76(2):424-30.
    View in: PubMed
    Score: 0.146
  29. Trauma Whipple: do or don’t after severe pancreaticoduodenal injuries? An analysis of the National Trauma Data Bank (NTDB). World J Surg. 2014 Feb; 38(2):335-40.
    View in: PubMed
    Score: 0.146
  30. Free air on plain film: Do we need a computed tomography too? J Emerg Trauma Shock. 2014 Jan; 7(1):3-8.
    View in: PubMed
    Score: 0.145
  31. Necrotizing Soft Tissue Infection in the Elderly: Effect of Pre-Operative Factors on Mortality and Discharge Disposition. Surg Infect (Larchmt). 2021 Oct 07.
    View in: PubMed
    Score: 0.062
  32. Association Between NEDD4L Variation and the Genetic Risk of Acute Appendicitis: A Multi-institutional Genome-Wide Association Study. JAMA Surg. 2021 Oct 01; 156(10):917-923.
    View in: PubMed
    Score: 0.062
  33. Abdominal Wall Thickness Predicts Surgical Site Infection in Emergency Colon Operations. J Surg Res. 2021 Jun 12; 267:37-47.
    View in: PubMed
    Score: 0.061
  34. Development of a field artificial intelligence triage tool: Confidence in the prediction of shock, transfusion, and definitive surgical therapy in patients with truncal gunshot wounds. J Trauma Acute Care Surg. 2021 06 01; 90(6):1054-1060.
    View in: PubMed
    Score: 0.060
  35. Multisystem outcomes and predictors of mortality in critically ill patients with COVID-19: Demographics and disease acuity matter more than comorbidities or treatment modalities. J Trauma Acute Care Surg. 2021 05 01; 90(5):880-890.
    View in: PubMed
    Score: 0.060
  36. Modified Frailty Index-5 Score and Post-Operative Infectious Complications in Patients Undergoing Surgery for Intestinal-Cutaneous Fistula: A Nationwide Retrospective Cohort Analysis. Surg Infect (Larchmt). 2021 Nov; 22(9):903-909.
    View in: PubMed
    Score: 0.060
  37. Peri-operative blood transfusion and risk of infectious complications following intestinal-cutaneous fistula surgical repair: A retrospective nationwide analysis. Am J Surg. 2021 Mar 11.
    View in: PubMed
    Score: 0.060
  38. Preoperative frailty predicts postoperative outcomes in intestinal-cutaneous fistula repair. Surgery. 2021 05; 169(5):1199-1205.
    View in: PubMed
    Score: 0.059
  39. Isolated rib cage fractures in the elderly: Do all patients belong to the intensive care unit? A retrospective nationwide analysis. J Trauma Acute Care Surg. 2020 12; 89(6):1039-1045.
    View in: PubMed
    Score: 0.058
  40. Acute Kidney Injury in Critically-ill Patients With COVID-19: A Single-center Experience of 206 Consecutive Patients. Ann Surg. 2020 10; 272(4):e280-e281.
    View in: PubMed
    Score: 0.058
  41. Thirty-day outcomes in the operative management of intestinal-cutaneous fistulas: A NSQIP analysis. Am J Surg. 2021 05; 221(5):1050-1055.
    View in: PubMed
    Score: 0.057
  42. The Geriatric Nutritional Risk Index is a powerful predictor of adverse outcome in the elderly emergency surgery patient. J Trauma Acute Care Surg. 2020 08; 89(2):397-404.
    View in: PubMed
    Score: 0.057
  43. Comparison of outcomes in non-head injured trauma patients using pre-injury warfarin or direct oral anticoagulant therapy. Injury. 2020 Nov; 51(11):2546-2552.
    View in: PubMed
    Score: 0.057
  44. No news is good news? Three-year postdischarge mortality of octogenarian and nonagenarian patients following emergency general surgery. J Trauma Acute Care Surg. 2020 07; 89(1):230-237.
    View in: PubMed
    Score: 0.057
  45. The dose-dependent relationship between blood transfusions and infections after trauma: A population-based study. J Trauma Acute Care Surg. 2020 07; 89(1):51-57.
    View in: PubMed
    Score: 0.057
  46. One-way-street revisited: Streamlined admission of critically-ill trauma patients. Am J Emerg Med. 2020 10; 38(10):2028-2033.
    View in: PubMed
    Score: 0.057
  47. Necrotizing Soft Tissue Infection: Time is Crucial, and the Admitting Service Matters. Surg Infect (Larchmt). 2020 Dec; 21(10):828-833.
    View in: PubMed
    Score: 0.056
  48. No News is Good News? Three-year Post-Discharge Mortality of Octogenarian and Nonagenarian Patients Following Emergency General Surgery. J Trauma Acute Care Surg. 2020 Mar 30.
    View in: PubMed
    Score: 0.056
  49. Gallbladder wall thickness as a predictor of intraoperative events during laparoscopic cholecystectomy: A prospective study of 1089 patients. Am J Surg. 2020 10; 220(4):1031-1037.
    View in: PubMed
    Score: 0.056
  50. Fresh Frozen Plasma-to-Packed Red Blood Cell Ratio and Mortality in Traumatic Hemorrhage: Nationwide Analysis of 4,427 Patients. J Am Coll Surg. 2020 06; 230(6):893-901.
    View in: PubMed
    Score: 0.054
  51. Every minute counts: The impact of pre-hospital response time and scene time on mortality of penetrating trauma patients. Am J Surg. 2020 07; 220(1):240-244.
    View in: PubMed
    Score: 0.054
  52. Most of the variation in length of stay in emergency general surgery is not related to clinical factors of patient care. J Trauma Acute Care Surg. 2019 Aug; 87(2):408-412.
    View in: PubMed
    Score: 0.053
  53. Hartmann's Procedure vs Primary Anastomosis with Diverting Loop Ileostomy for Acute Diverticulitis: Nationwide Analysis of 2,729 Emergency Surgery Patients. J Am Coll Surg. 2019 07; 229(1):48-55.
    View in: PubMed
    Score: 0.052
  54. Gallstone Pancreatitis and Choledocholithiasis: Using Imaging and Laboratory Trends to Predict the Likelihood of Persistent Stones at Cholangiography. World J Surg. 2018 10; 42(10):3143-3149.
    View in: PubMed
    Score: 0.050
  55. Emergency Surgery Score Accurately Predicts the Risk of Post-Operative Infection in Emergency General Surgery. Surg Infect (Larchmt). 2019 Jan; 20(1):4-9.
    View in: PubMed
    Score: 0.050
  56. Early Enteral Nutrition Adequacy Mitigates the Neutrophil-Lymphocyte Ratio Improving Clinical Outcomes in Critically Ill Surgical Patients. Nutr Clin Pract. 2019 Feb; 34(1):148-155.
    View in: PubMed
    Score: 0.050
  57. Do Not Blame the Resident: the Impact of Surgeon and Surgical Trainee Experience on the Occurrence of Intraoperative Adverse Events (iAEs) in Abdominal Surgery. J Surg Educ. 2018 Nov; 75(6):e156-e167.
    View in: PubMed
    Score: 0.050
  58. Interrupted versus continuous fascial closure in patients undergoing emergent laparotomy: A randomized controlled trial. J Trauma Acute Care Surg. 2018 09; 85(3):459-465.
    View in: PubMed
    Score: 0.050
  59. Variation of Opioid Prescribing Patterns among Patients undergoing Similar Surgery on the Same Acute Care Surgery Service of the Same Institution: Time for Standardization? Surgery. 2018 Nov; 164(5):926-930.
    View in: PubMed
    Score: 0.050
  60. Are surgeons reluctant to accurately report intraoperative adverse events? A prospective study of 1,989 patients. Surgery. 2018 09; 164(3):525-529.
    View in: PubMed
    Score: 0.049
  61. Cervical spinal cord injury after blunt assault: Just a pain in the neck? Am J Surg. 2019 04; 217(4):648-652.
    View in: PubMed
    Score: 0.049
  62. Operating at night does not increase the risk of intraoperative adverse events. Am J Surg. 2018 07; 216(1):19-24.
    View in: PubMed
    Score: 0.047
  63. Elevated admission N-terminal pro-brain natriuretic peptide level predicts the development of atrial fibrillation in general surgical intensive care unit patients. J Trauma Acute Care Surg. 2017 09; 83(3):485-490.
    View in: PubMed
    Score: 0.047
  64. Intraoperative Adverse Events in Abdominal Surgery: What Happens in the Operating Room Does Not Stay in the Operating Room. Ann Surg. 2017 06; 265(6):1119-1125.
    View in: PubMed
    Score: 0.046
  65. Treatment of Enterocutaneous Fistulas, Then and Now. Nutr Clin Pract. 2017 Aug; 32(4):508-515.
    View in: PubMed
    Score: 0.045
  66. Low baseline (pre-injury) blood pressure predicts inpatient mortality in elderly trauma patients: A bi-institutional study. J Trauma Acute Care Surg. 2016 12; 81(6):1142-1149.
    View in: PubMed
    Score: 0.044
  67. Creation of the first Hartford Consensus compliant elementary school in the USA. Trauma Surg Acute Care Open. 2016; 1(1):e000031.
    View in: PubMed
    Score: 0.044
  68. Derivation and validation of a novel Emergency Surgery Acuity Score (ESAS). J Trauma Acute Care Surg. 2016 08; 81(2):213-20.
    View in: PubMed
    Score: 0.043
  69. Nutrition in the Surgical Intensive Care Unit: The Cost of Starting Low and Ramping Up Rates. Nutr Clin Pract. 2016 Feb; 31(1):86-90.
    View in: PubMed
    Score: 0.041
  70. Needs assessment for a focused radiology curriculum in surgical residency: a multicenter study. Am J Surg. 2016 Jan; 211(1):279-87.
    View in: PubMed
    Score: 0.040
  71. The financial impact of intraoperative adverse events in abdominal surgery. Surgery. 2015 Nov; 158(5):1382-8.
    View in: PubMed
    Score: 0.040
  72. Intraoperative Adverse Events: Risk Adjustment for Procedure Complexity and Presence of Adhesions Is Crucial. J Am Coll Surg. 2015 Aug; 221(2):345-53.
    View in: PubMed
    Score: 0.039
  73. Sample entropy predicts lifesaving interventions in trauma patients with normal vital signs. J Crit Care. 2015 Aug; 30(4):705-10.
    View in: PubMed
    Score: 0.039
  74. Self-expanding foam for prehospital treatment of intra-abdominal hemorrhage: 28-day survival and safety. J Trauma Acute Care Surg. 2014 Sep; 77(3 Suppl 2):S127-33.
    View in: PubMed
    Score: 0.038
  75. Opening Pandora's box: understanding the nature, patterns, and 30-day outcomes of intraoperative adverse events. Am J Surg. 2014 Oct; 208(4):626-31.
    View in: PubMed
    Score: 0.037
  76. Vitamin D status and severity of Clostridium difficile infections: a prospective cohort study in hospitalized adults. JPEN J Parenter Enteral Nutr. 2015 May; 39(4):465-70.
    View in: PubMed
    Score: 0.036
  77. Real-time sample entropy predicts life-saving interventions after the Boston Marathon bombing. J Crit Care. 2013 Dec; 28(6):1109.e1-4.
    View in: PubMed
    Score: 0.036
  78. Real-time heart rate entropy predicts the need for lifesaving interventions in trauma activation patients. J Trauma Acute Care Surg. 2013 Oct; 75(4):607-12.
    View in: PubMed
    Score: 0.036
  79. Using micropower impulse radar technology to screen for pneumothorax: an international bi-institutional study. J Trauma Acute Care Surg. 2012 Dec; 73(6):1418-20.
    View in: PubMed
    Score: 0.034
Connection Strength
The connection strength for co-authors is the sum of the scores for each of their shared publications.

Publication scores are based on many factors, including how long ago they were written and whether the person is a first or senior author.
Funded by the NIH National Center for Advancing Translational Sciences through its Clinical and Translational Science Awards Program, grant number UL1TR002541.