Gregory D Kennedy

Summary

Affiliation: University of Wisconsin
Country: USA

Publications

  1. doi request reprint Laparoscopy decreases postoperative complication rates after abdominal colectomy: results from the national surgical quality improvement program
    Gregory D Kennedy
    Colon and Rectal Surgery, Department of Surgery, University of Wisconsin SMPH, Madison, WI 53792, USA
    Ann Surg 249:596-601. 2009
  2. pmc Optimizing surgical care of colon cancer in the older adult population
    Gregory D Kennedy
    Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
    Ann Surg 253:508-14. 2011
  3. pmc Short-term outcomes after laparoscopic-assisted proctectomy for rectal cancer: results from the ACS NSQIP
    David Yu Greenblatt
    Section of Colorectal Surgery, Department of Surgery, University of Wisconsin, Madison, WI, USA
    J Am Coll Surg 212:844-54. 2011
  4. doi request reprint Predictors of mortality after emergent surgery for acute colonic diverticulitis: analysis of National Surgical Quality Improvement Project data
    Nikiforos Ballian
    Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792 7375, USA
    J Trauma Acute Care Surg 74:611-6. 2013
  5. doi request reprint Visceral obesity is associated with outcomes of total mesorectal excision for rectal adenocarcinoma
    Nikiforos Ballian
    Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
    J Surg Oncol 105:365-70. 2012
  6. pmc Postoperative complications in patients with rectal cancer are associated with delays in chemotherapy that lead to worse disease-free and overall survival
    Sarah E Tevis
    1Department of Surgery, University of Wisconsin, Madison, Wisconsin 2School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin
    Dis Colon Rectum 56:1339-48. 2013
  7. doi request reprint Comparable postoperative morbidity and mortality after laparoscopic and open emergent restorative colectomy: outcomes from the ACS NSQIP
    Nikiforos Ballian
    Department of Surgery, G4 701 Clinical Science Center, University of Wisconsin, 600 Highland Avenue, Madison, WI 53792 7375, USA
    World J Surg 36:2488-96. 2012
  8. doi request reprint Body mass index does not affect postoperative morbidity and oncologic outcomes of total mesorectal excision for rectal adenocarcinoma
    Nikiforos Ballian
    Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
    Ann Surg Oncol 17:1606-13. 2010
  9. pmc Laparoscopy improves short-term outcomes after surgery for diverticular disease
    Andrew J Russ
    Department of Surgery, Section of Colon and Rectal Surgery, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53972, USA
    Gastroenterology 138:2267-74, 2274.e1. 2010
  10. pmc The Aryl Hydrocarbon Receptor is a Repressor of Inflammation-associated Colorectal Tumorigenesis in Mouse
    Carol J Díaz-Díaz
    Department of Surgery, University of Wisconsin, School of Medicine and Public Health, Madison, WI Masonic Cancer Center, University of Minnesota, Minneapolis, MN McArdle Laboratory for Cancer Research, University of Wisconsin Madison, School of Medicine and Public Health, Madison, WI
    Ann Surg 264:429-36. 2016

Collaborators

  • Charles P Heise
  • Sharon M Weber
  • Mark W Craven
  • Sarah C Oltmann
  • Jennifer M Weiss
  • Perry J Pickhardt
  • David H Kim
  • Meghan G Lubner
  • Andrew J Pugely
  • David Yu Greenblatt
  • Marie K Stelzer
  • Erin S O'connor
  • Sarah E Tevis
  • Eugene F Foley
  • Nikiforos Ballian
  • Christina M Papageorge
  • Bruce A Harms
  • Bryant W Megna
  • Evie H Carchman
  • Sean M Ronnekleiv-Kelly
  • Patrick R Carney
  • Brittney M Kohlnhofer
  • Manabu Nukaya
  • Carol J Díaz-Díaz
  • Peter G Geiger
  • Victoria Rajamanickam
  • Bruce Harms
  • Matthew S VandeHei
  • Christina W Lee
  • Alexander G Cobian
  • Courtney J Pokrzywa
  • Matt M Murphy
  • Shara I Feld
  • Thomas P Hanzlik
  • Colin C Ehlenbach
  • Alexander M Riordan
  • Alejandro Munoz
  • Andrew J Russ
  • Matthew M Murphy
  • Glen E Leverson
  • Qianqian Zhao
  • Huy P Truong
  • Christopher A Bradfield
  • Adam C Sheka
  • Romel Dator
  • Katheryn H Wilkinson
  • Pete Geiger
  • Silvia Balbo
  • Pasithorn A Suwanabol
  • K Craig Kent
  • Caprice C Greenberg
  • Sarah Stringfield
  • Natalie Weisensel
  • Thomas Warner
  • Marie K Thomas
  • Sean Ronnekleiv-Kelly
  • Glen Leverson
  • Yin Wan
  • Brett Yamane
  • Kari L Obma
  • Barbara Zarebczan

Detail Information

Publications38

  1. doi request reprint Laparoscopy decreases postoperative complication rates after abdominal colectomy: results from the national surgical quality improvement program
    Gregory D Kennedy
    Colon and Rectal Surgery, Department of Surgery, University of Wisconsin SMPH, Madison, WI 53792, USA
    Ann Surg 249:596-601. 2009
    ..Compare outcomes of non-emergent laparoscopic to open colon surgery...
  2. pmc Optimizing surgical care of colon cancer in the older adult population
    Gregory D Kennedy
    Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
    Ann Surg 253:508-14. 2011
    ..We have undertaken the current study to evaluate factors that correlate with postoperative complications in older patients undergoing surgery for colon cancer...
  3. pmc Short-term outcomes after laparoscopic-assisted proctectomy for rectal cancer: results from the ACS NSQIP
    David Yu Greenblatt
    Section of Colorectal Surgery, Department of Surgery, University of Wisconsin, Madison, WI, USA
    J Am Coll Surg 212:844-54. 2011
    ..The current report addresses the need for a large multi-institutional study on early outcomes after proctectomy for cancer...
  4. doi request reprint Predictors of mortality after emergent surgery for acute colonic diverticulitis: analysis of National Surgical Quality Improvement Project data
    Nikiforos Ballian
    Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792 7375, USA
    J Trauma Acute Care Surg 74:611-6. 2013
    ..The purpose of this study was to identify perioperative variables predictive of postoperative mortality after emergent surgery for acute diverticulitis...
  5. doi request reprint Visceral obesity is associated with outcomes of total mesorectal excision for rectal adenocarcinoma
    Nikiforos Ballian
    Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
    J Surg Oncol 105:365-70. 2012
    ..The purpose of this study is to compare visceral and general obesity as predictors of outcomes of TME for rectal adenocarcinoma...
  6. pmc Postoperative complications in patients with rectal cancer are associated with delays in chemotherapy that lead to worse disease-free and overall survival
    Sarah E Tevis
    1Department of Surgery, University of Wisconsin, Madison, Wisconsin 2School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin
    Dis Colon Rectum 56:1339-48. 2013
    ..We also sought to clarify what time frame should be used to define delayed adjuvant chemotherapy...
  7. doi request reprint Comparable postoperative morbidity and mortality after laparoscopic and open emergent restorative colectomy: outcomes from the ACS NSQIP
    Nikiforos Ballian
    Department of Surgery, G4 701 Clinical Science Center, University of Wisconsin, 600 Highland Avenue, Madison, WI 53792 7375, USA
    World J Surg 36:2488-96. 2012
    ..However, there is currently a lack of data about its use for emergency colorectal surgery. We hypothesized that laparoscopy can improve the postoperative outcomes of emergency restorative colon resection...
  8. doi request reprint Body mass index does not affect postoperative morbidity and oncologic outcomes of total mesorectal excision for rectal adenocarcinoma
    Nikiforos Ballian
    Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
    Ann Surg Oncol 17:1606-13. 2010
    ..We hypothesized that obese patients have increased morbidity and poor oncologic outcomes after proctectomy for rectal adenocarcinoma...
  9. pmc Laparoscopy improves short-term outcomes after surgery for diverticular disease
    Andrew J Russ
    Department of Surgery, Section of Colon and Rectal Surgery, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53972, USA
    Gastroenterology 138:2267-74, 2274.e1. 2010
    ....
  10. pmc The Aryl Hydrocarbon Receptor is a Repressor of Inflammation-associated Colorectal Tumorigenesis in Mouse
    Carol J Díaz-Díaz
    Department of Surgery, University of Wisconsin, School of Medicine and Public Health, Madison, WI Masonic Cancer Center, University of Minnesota, Minneapolis, MN McArdle Laboratory for Cancer Research, University of Wisconsin Madison, School of Medicine and Public Health, Madison, WI
    Ann Surg 264:429-36. 2016
    ..To determine the role of the aryl hydrocarbon receptor (AHR) in colitis-associated colorectal tumorigenesis...
  11. doi request reprint Does Anastomotic Leak Contribute to High Failure-to-rescue Rates?
    Sarah E Tevis
    Department of Surgery, University of Wisconsin, Madison, WI
    Ann Surg 263:1148-51. 2016
    ..Our aim was to evaluate failure-to-rescue (FTR) after anastomotic leak (AL) in colectomy patients...
  12. doi request reprint Short-term outcomes of minimally invasive versus open colectomy for colon cancer
    Christina M Papageorge
    Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin
    J Surg Res 204:83-93. 2016
    ..We hypothesized that minimally invasive colectomy is associated with superior short-term outcomes compared to traditional open colectomy in the setting of colon cancer...
  13. doi request reprint Postoperative Ileus--More than Just Prolonged Length of Stay?
    Sarah E Tevis
    University of Wisconsin Department of Surgery, 650 Highland Avenue, Madison, WI, 53792, USA
    J Gastrointest Surg 19:1684-90. 2015
    ..Given that postoperative ileus is common in colectomy patients, we sought to examine the association of ileus with adverse events in this patient population...
  14. pmc Multiple complications and short length of stay are associated with postoperative readmissions
    Brittney M Kohlnhofer
    Department of Surgery, University of Wisconsin, Madison, WI, USA
    Am J Surg 207:449-56. 2014
    ..The aim of this study was to characterize patients readmitted following inpatient general surgery procedures. We hypothesized that a decreased length of stay would increase risk for readmission...
  15. pmc Characterizing readmission in ulcerative colitis patients undergoing restorative proctocolectomy
    Thomas P Hanzlik
    Section of Colorectal Surgery, Department of Surgery, University of Wisconsin School of Medicine and Public Health, 600 Highland Avenue, K4 736 CSC, Madison, WI, 53792 3236, USA
    J Gastrointest Surg 19:564-9. 2015
    ..Postoperative readmissions increase costs and affect patient quality of life. Ulcerative colitis (UC) patients are at a high risk for hospital readmission following restorative proctocolectomy (RP)...
  16. pmc Rapamycin inhibits anal carcinogenesis in two preclinical animal models
    Marie K Stelzer
    McArdle Laboratory for Cancer Research, Madison, WI 53705, USA
    Cancer Prev Res (Phila) 3:1542-51. 2010
    ..As has been seen in other cancers, rapamycin treatment led to an activation of the MAPK pathway. These results provide us cause to pursue further the evaluation of rapamycin as a therapeutic agent in the control of anal cancer...
  17. pmc Aryl hydrocarbon receptor-dependent apoptotic cell death induced by the flavonoid chrysin in human colorectal cancer cells
    Sean M Ronnekleiv-Kelly
    Department of Surgery, School of Medicine and Public Health, University of Wisconsin, 600 Highland Avenue, G4 701A CSC, Madison, WI 53792, USA
    Cancer Lett 370:91-9. 2016
    ..Therefore, we concluded that AHR is required for the chrysin-induced apoptosis and the up-regulation of Tnfα and β gene expression in human colorectal cancer cells. ..
  18. pmc Indole-3-carbinol induces tumor cell death: function follows form
    Bryant W Megna
    Department of Surgery, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin
    J Surg Res 204:47-54. 2016
    ..I3C has been identified as a ligand of the aryl hydrocarbon receptor (AHR), and we aimed to characterize this AHR activation in relation to its cytotoxic properties...
  19. doi request reprint Implications of Multiple Complications on the Postoperative Recovery of General Surgery Patients
    Sarah E Tevis
    Department of Surgery, University of Wisconsin, Madison, WI Departments of Computer Sciences and Biostatistics and Medical Informatics, University of Wisconsin, Madison, WI Department of Surgery, University of California, Berkeley, CA
    Ann Surg 263:1213-8. 2016
    ..To evaluate the association between multiple complications and postoperative outcomes and to assess which complications occur together in patients with multiple complications...
  20. pmc Postdischarge complications are an important predictor of postoperative readmissions
    Sarah E Tevis
    Department of Surgery, University of Wisconsin, Madison, WI, USA Electronic address
    Am J Surg 208:505-10. 2014
    ..Thirty-day readmissions are common in general surgery patients and affect long-term outcomes including mortality. We sought to determine the effect of complication timing on postoperative readmissions...
  21. pmc The Log Odds of Positive Lymph Nodes Stratifies and Predicts Survival of High-Risk Individuals Among Stage III Rectal Cancer Patients
    Christina W Lee
    Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA Section of Colon and Rectal Surgery, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
    Oncologist 21:425-32. 2016
    ..We sought to determine the value of the log odds ratio as a prognostic indicator compared with established lymph node indices in advanced-stage rectal cancer patients who have undergone curative resection...
  22. pmc Intestinal inflammation and the diet: Is food friend or foe?
    Bryant W Megna
    Bryant W Megna, Patrick R Carney, Gregory D Kennedy, Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI 53792, United States
    World J Gastrointest Surg 8:115-23. 2016
    ..Greater clarity surrounding these dynamics could lead to a novel diet-derived agonist of the AHR which is not only non-toxic, but also efficacious in the amelioration of clinical IBD. ..
  23. pmc National Trends in Short-term Outcomes Following Non-emergent Surgery for Diverticular Disease
    Christina M Papageorge
    Department of Surgery, Division of Colon and Rectal Surgery, University of Wisconsin School of Medicine and Public Health, 600 Highland Ave, K4 730, Madison, WI, 53792 7375, USA
    J Gastrointest Surg 20:1376-87. 2016
    ..We aimed to evaluate the impact of changing practice patterns on postoperative outcomes. We hypothesized that the increased use of laparoscopy, and other management changes, would correlate with a decrease in postoperative complications...
  24. pmc Nomogram to Predict Postoperative Readmission in Patients Who Undergo General Surgery
    Sarah E Tevis
    Department of Surgery, University of Wisconsin, Madison
    JAMA Surg 150:505-10. 2015
    ..These changes will likely be extended to affect postoperative readmissions in the future...
  25. pmc Postoperative complications and implications on patient-centered outcomes
    Sarah E Tevis
    Department of Surgery, University of Wisconsin, Madison, Wisconsin
    J Surg Res 181:106-13. 2013
    ..The goal of this study was to review the world's literature on postoperative complications in general surgery patients and try to examine the effect of these complications on patient-centered outcomes...
  26. pmc Routine evaluation of the distal colon remnant before Hartmann's reversal is not necessary in asymptomatic patients
    Nikiforos Ballian
    Department of Surgery, University of Wisconsin, G4 701 Clinical Science Center, 600 Highland Avenue, Madison, WI 53792 7375, USA
    J Gastrointest Surg 13:2260-7. 2009
    ..We hypothesize that asymptomatic patients can safely undergo Hartmann's reversal without preoperative DCRR evaluation...
  27. pmc Management of stage IV rectal cancer: palliative options
    Sean M Ronnekleiv-Kelly
    Section of Colon and Rectal Surgery, Department of Surgery, University of Wisconsin School of Medicine and Public Health, 600 Highland Avenue, G4 701A CSC, Madison, WI 53792, USA
    World J Gastroenterol 17:835-47. 2011
    ..In this review, we describe various options for palliation of symptoms in patients with metastatic rectal cancer. Additionally, we briefly discuss treatment for asymptomatic patients with metastatic disease...
  28. doi request reprint The effect of perioperative fluid management on postoperative ileus in rectal cancer patients
    Matthew S VandeHei
    University of Wisconsin School of Medicine and Public Health, Madison, WI
    Surgery . 2017
    ..Postoperative ileus is a common cause of increased morbidity and cost after operative intervention. The aim of this study was to assess how fluid type, volume, and timing may affect incidence of postoperative ileus...
  29. pmc Postoperative Complications: Looking Forward to a Safer Future
    Sarah E Tevis
    Department of Surgery, University of Wisconsin, Madison, Wisconsin
    Clin Colon Rectal Surg 29:246-52. 2016
    ..Future work will continue to identify best practices and standardized ways to measure quality of care. ..
  30. doi request reprint Preoperative urinary tract infection increases postoperative morbidity
    Courtney J Pokrzywa
    Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin
    J Surg Res 205:213-20. 2016
    ..The association between preoperative UTI and postoperative complications has not been evaluated in general surgery populations...
  31. doi request reprint Multiple postoperative complications: Making sense of the trajectories
    Shara I Feld
    Department of Surgery, University of Wisconsin Madison, Madison, WI
    Surgery 160:1666-1674. 2016
    ..The goal of this study was to assess complication timing in cascades of multiple complications and the risk of future complications given a patient's first complication...
  32. doi request reprint Preoperative blood transfusion is a predictor of worse short-term postoperative outcomes after colectomy
    Christina M Papageorge
    Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI Electronic address
    Surgery . 2016
    ..Both anemia and blood transfusion are associated with poor outcomes. The aim of this study was to evaluate the effect of preoperative blood transfusion on postoperative outcomes after colectomy, stratified by severity of anemia...
  33. doi request reprint Independent risk factors for prolonged postoperative ileus development
    Matt M Murphy
    University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin
    J Surg Res 201:279-85. 2016
    ..3 billion per year. Although some causative mechanisms have been identified, little is known about what places patients at risk for ileus. We aimed to identify factors that independently influence the development of POI...
  34. doi request reprint Patient satisfaction: does surgical volume matter?
    Sarah E Tevis
    Department of Surgery, University of Wisconsin, Madison, Wisconsin
    J Surg Res 196:124-9. 2015
    ..Although scores are adjusted for patient factors, little is known about the relationship between hospital structure, postoperative outcomes, and patient satisfaction with the hospital experience...
  35. pmc Preoperative impairment is associated with a higher postdischarge level of care
    Colin C Ehlenbach
    University of Wisconsin School of Medicine and Public Health, Madison, WI
    J Surg Res 193:1-6. 2015
    ....
  36. pmc Carpet lesions detected at CT colonography: clinical, imaging, and pathologic features
    Perry J Pickhardt
    From the Department of Radiology, University of Wisconsin School of Medicine and Public Health, E3 311 Clinical Science Center, 600 Highland Ave, Madison, WI 53792 3252
    Radiology 270:435-43. 2014
    ..To describe carpet lesions (laterally spreading tumors ≥ 3 cm) detected at computed tomographic (CT) colonography, including their clinical, imaging, and pathologic features...
  37. pmc Utility of micro-ribonucleic acid profile for predicting recurrence of rectal cancer
    Alexander M Riordan
    Department of Surgery, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin, USA
    J Surg Res 177:87-92. 2012
    ..We hypothesized that high miRNA levels in malignant tissue from early-stage rectal cancer patients could predict recurrence after local excision...
  38. pmc Radiation colitis and proctitis
    Gregory D Kennedy
    Department of Surgery, University of Wisconsin Hospital and Clinics, Madison, Wisconsin
    Clin Colon Rectal Surg 20:64-72. 2007
    ..This article presents a summary of the current knowledge regarding radiation injury to the lower gastrointestinal tract with special emphasis on treatment options for radiation proctitis...