Research Topics
| E H LivingstonSummaryAffiliation: University of California Country: USA Publications
| Collaborators
|
Detail Information
Publications
Body surface area prediction in normal-weight and obese patientsE H Livingston
Veterans Affairs Medical Center, Greater Los Angeles Health Care System, 11301 Wilshire Blvd, Los Angeles, CA 90073, USA
Am J Physiol Endocrinol Metab 281:E586-91. 2001..6724). Covariance of height and weight for patients weighing <80 kg reduced the Du Bois BSA-predicting equation to a power function, explaining why it provides good BSA predictions for normal-size patients but fails with obesity...- Use of the health and activities limitation index as a measure of quality of life in obesityEdward H Livingston
Department of Surgery, Veterans Administration Greater Los Angeles Health Care System, Los Angeles, California, USA
Obes Res 10:824-32. 2002..The purpose of this investigation is to assess the sensitivity of the Health and Activities Limitation Index (HALex) utility index to obesity... - Obesity and its surgical managementEdward H Livingston
VAMC Greater Los Angeles Health Care System, UCLA Bariatric Surgery Program, BOX 95 6904, UCLA School of Medicine, 90095 6904, USA
Am J Surg 184:103-13. 2002..Following weight loss there is a high cure rate for diabetes and sleep apnea, with significant improvement in other complications of obesity such as hypertension and osteoarthritis... - Assessing the relative contribution of individual risk factors on surgical outcome for gastric bypass surgery: a baseline probability analysisEdward H Livingston
VAMC Greater Los Angeles Health Care System, California, USA
J Surg Res 105:48-52. 2002..We used these techniques to determine which of the potential risk factors had the greatest impact on adverse outcomes following gastric bypass surgery... 
Male gender is a predictor of morbidity and age a predictor of mortality for patients undergoing gastric bypass surgeryEdward H Livingston
VAMC Greater Los Angeles Health Care System, the UCLA Bariatric Surgery Program, and the UCLA Center for Human Nutrition, Los Angeles, California 90095 6904, USA
Ann Surg 236:576-82. 2002..To determine preoperative risk factors predictive of adverse outcomes after gastric bypass surgery...- Biexponential model for predicting weight loss after gastric surgery for obesityE H Livingston
Department of Surgery, VA Greater Los Angeles Health Care System, Los Angeles, California 90073, USA
J Surg Res 101:216-24. 2001..The purpose of this study was to develop a mathematical model that accurately estimates the rate and extent of weight loss following gastric bypass surgery... - Peer reviewE H Livingston
Department of Surgery, VA Greater Los Angeles Health Care System, and the UCLA School of Medicine, BOX 95 6904, Los Angeles, California 90095 6904, USA
Am J Surg 182:103-9. 2001..The peer review process and the laws that govern it should be reformed to regain its ability to improve and assure quality without being a threat to physicians... - Reduced length of stay by implementation of a clinical pathway for bariatric surgery in an academic health care centerS Huerta
Department of Surgery, VA Greater Los Angeles Health Care System and the UCLA Center for Human Nutrition, California 90073, USA
Am Surg 67:1128-35. 2001..Our results indicate that implementation of a clinical pathway for bariatric surgery reduces cost and improves quality of care in an academic institution... - Simplified resting metabolic rate-predicting formulas for normal-sized and obese individualsEdward H Livingston
Gastrointestinal and Endocrine Surgery, UT Southwestern Medical Center, 5323 Harry Hines Blvd, Room E7 126, Dallas, TX, 75390 9156, USA
Obes Res 13:1255-62. 2005..Resting metabolic rate (RMR) is known to be proportional to body weight and to follow allometric scaling principles. We hypothesized that RMR can be predicted from an allometric formula with weight alone as an independent variable... - Meta-analysis: surgical treatment of obesityMelinda A Maggard
Southern California Evidence Based Practice Center, RAND Health Division, Santa Monica, California, USA
Ann Intern Med 142:547-59. 2005..Controversy exists regarding the effectiveness of surgery for weight loss and the resulting improvement in health-related outcomes... - Procedure incidence and in-hospital complication rates of bariatric surgery in the United StatesEdward H Livingston
Division of Gastrointestinal and Endocrine Surgery, University of Texas Southwestern Medical Center and VA North Texas Health Care System, 5323 Harry Hines Blvd, Room E7 126, Dallas, TX 75390 9156, USA
Am J Surg 188:105-10. 2004..Complication rates for bariatric surgery have been reported primarily from academic centers with specialized programs. The rates may not reflect those occurring in the community... - Complications of bariatric surgeryEdward H Livingston
Division of Gastrointestinal and Endocrine Surgery, University of Texas Southwestern School of Medicine, Dallas, TX 75390 9156, USA
Surg Clin North Am 85:853-68, vii. 2005..The purpose of this article is to review the major complications that occur following anti-obesity procedures and to provide recommendations regarding their management... - Technical complications are rising as common duct exploration is becoming rareEdward H Livingston
Division of Gastrointestinal and Endocrine Surgery, University of Texas Southwestern School of Medicine, Dallas, TX, USA
J Am Coll Surg 201:426-33. 2005.... - Lower body subcutaneous fat accumulation and diabetes mellitus riskEdward H Livingston
Division of Gastrointestinal and Endocrine Surgery, University of Texas Southwestern School of Medicine, 5323 Harry Hines Boulevard, Dallas, TX 75390, USA
Surg Obes Relat Dis 2:362-8. 2006..This is independent of the body mass index (BMI) or waist circumference... - National Surgical Quality Improvement Program analysis of bariatric operations: modifiable risk factors contribute to bariatric surgical adverse outcomesEdward H Livingston
Veterans Administration North Texas Health Care System and the Division of Gastrointestinal and Endocrine Surgery, University of Texas Southwestern School of Medicine, Dallas, TX 75390 9156, USA
J Am Coll Surg 203:625-33. 2006..We sought to identify risk factors for surgical complications in a large, nationally representative population of US veterans... - The impact of age and Medicare status on bariatric surgical outcomesEdward H Livingston
Veterans Affairs North Texas Health Care System, Southwestern Medical School, Dallas, TX 75390 9156, USA
Arch Surg 141:1115-20; discussion 1121. 2006..Medicare status and increasing age are associated with poor outcomes from bariatric surgical procedures... - Do current body mass index criteria for obesity surgery reflect cardiovascular risk?Edward H Livingston
Division of Gastrointestinal and Endocrine Surgery, Department of Surgery, University of Texas Southwestern School of Medicine, Dallas, Texas 75390, USA
Surg Obes Relat Dis 3:577-85. 2007..We hypothesized that the inconsistencies among the studies of the obesity-cardiovascular relationship were attributable to an irregular relationship between obesity and the presence of risk factors for CVD... 
Preoperative weight loss decreases the operative time of gastric bypass at a Veterans Administration hospitalSergio Huerta
Department of Surgery, Dallas VA Medical Center, 4500 Lancaster Road, Dallas, TX 75216, USA
Obes Surg 18:508-12. 2008..This study assessed whether preoperative weight loss resulted in favorable outcomes after open Roux-en Y gastric bypass (RYGB)...- Variations of weight loss following gastric bypass and gastric bandNancy Puzziferri
Department of Surgery, The University of Texas Southwestern Medical Center, Dallas, Texas 75390, USA
Ann Surg 248:233-42. 2008.... - Interval jejunoileal bypass reduces the morbidity and mortality of Roux-en-Y gastric bypass in the super-obeseJames R Arteaga
VA Greater LA Healthcare System, Los Angeles, California, USA
Am Surg 69:873-8. 2003..The initial JIB was associated with low morbidity and no mortality, and the follow-up RYGB procedure was a technically simple operation that could be performed with few complications... - Fibrin glue as a sealant for high-risk anastomosis in surgery for morbid obesityCarson D Liu
University of California, Los Angeles School of Medicine and Greater Los Angeles VA Medical Center, Department of Surgery, Los Angeles, CA 10833, USA
Obes Surg 13:45-8. 2003..Fibrin sealant, Tisseel, was used by one surgeon on 120 consecutive patients at the gastrojejunal anastomosis in Roux-en-Y gastric bypass (RYGBP). We hypothesized that the application of fibrin sealant would decrease anastomotic leaks... - Characteristics of bariatric surgery in an integrated VA Health Care System: follow-up and outcomesEdward H Livingston
Surgical and Research Services, Greater Los Angeles VA Health Care System, UCLA School of Medicine, Bariatric Surgery Program, 90073, USA
J Surg Res 109:138-43. 2003..This contrasts with the results of most volume-outcome studies and occurred in a low-volume hospital by a high-volume surgical and medical team. (4) Distinct patterns of weight loss were observed... - Quality of life: cost and future of bariatric surgeryEdward H Livingston
Department of Surgery, Veterans Affairs Greater Los Angeles Health Care System, Los Angeles, CA, USA
Arch Surg 138:383-8. 2003 - Management of gastrojejunal anastomotic leaks after Roux-en-Y gastric bypassJames R Arteaga
VA Greater Los Angeles Health Care System, Department of Surgery, Los Angeles, California, USA
Am Surg 68:1061-5. 2002..A high index of suspicion for leaks in postoperative RYGB patients with tachycardia is required if patients are to have good outcomes when complications develop... - Bacterial lipopolysaccharide shifts fasted plasma ghrelin to postprandial levels in ratsNicole R Basa
CURE Digestive Diseases Research Center, Digestive Diseases Division, David Geffen School of Medicine and Brain Research Institute, University of California at Los Angeles, Building 115, Room 203, 11301 Wilshire Boulevard, 90073, USA
Neurosci Lett 343:25-8. 2003..Re-feeding decreased plasma ghrelin levels by 58+/-3% compared with pre-feeding fasting values in i.p. vehicle group. These data provide the first evidence that LPS shifts fasting ghrelin levels to those observed postprandially... - Evaluating health utility in patients with melanoma, breast cancer, colon cancer, and lung cancer: a nationwide, population-based assessmentClifford Y Ko
UCLA Department of Surgery, Los Angeles, California 90095, USA
J Surg Res 114:1-5. 2003..Using a validated instrument for health utility (HALex), we calculated and report the scores of four different surgical cancers at multiple periods of follow-up, ranging from <1 year to >5 years after diagnosis... - Assessment of routine elimination of postoperative nasogastric decompression after Roux-en-Y gastric bypassSergio Huerta
VAMC Greater Los Angeles Health Care System, the UCLA Bariatric Surgery Program, and the UCLA Center for Human Nutrition, Los Angeles, CA 90095, USA
Surgery 132:844-8. 2002..RESULTS:We found no difference in the complication rates between the 2 groups (Fisher exact test; P =.21). CONCLUSIONS: Our findings suggest that routine placement of an NGT after RYGB is unnecessary... - Characterizing the performance and outcomes of obesity surgery in CaliforniaJerome H Liu
Department of Surgery, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
Am Surg 69:823-8. 2003..Furthermore, this study identifies three independent predictors of complications: gender, comorbidity, and hospital volume. These findings are important initial steps toward improving quality in obesity surgery... - Acinar cell carcinoma of the pancreas in a morbidly obese patientSergio Huerta
Pancreas 25:414-5. 2002 - Bariatric surgery in the new millenniumEdward H Livingston
Department of Gastrointestinal and Endocrine Surgery, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Room E7-126, Dallas, TX 75390-9156
Arch Surg 142:919-22. 2007 - Rates of colon and rectal cancers are increasing in young adultsMelinda A Maggard
Department of Surgery, David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, California 90095, USA
Am Surg 69:866-72. 2003..Although the overall prevalence is low in this population, the increasing incidence suggests health-care providers should have heightened awareness when caring for this population... - When policy meets statistics: the very real effect that questionable statistical analysis has on limiting health care access for bariatric surgeryEdward H Livingston
Division of Gastrointestinal and Endocrine Surgery, UT Southwestern Medical Center, 5323 Harry Hines Blvd, Room E7 126, Dallas, TX 75390 9156, USA
Arch Surg 142:979-87. 2007..Bariatric surgery for Medicare patients must be performed in an accredited hospital that performs at least 125 cases per year. We assessed the validity of this volume threshold and its policy implications... - Vitamin A deficiency in a newborn resulting from maternal hypovitaminosis A after biliopancreatic diversion for the treatment of morbid obesitySergio Huerta
UCLA Center for Human Nutrition, Los Angeles 90095 1742, USA
Am J Clin Nutr 76:426-9. 2002..This procedure has the theoretical advantage that patients retain normal eating capacity and lose weight irrespective of their eating habits. However, vitamin deficiencies may develop because BPD causes malabsorption... - Executive summary of the recommendations of the American Association of Clinical Endocrinologists, the Obesity Society, and American Society for Metabolic & Bariatric Surgery medical guidelines for clinical practice for the perioperative nutritional, Jeffrey I Mechanick
Endocr Pract 14:318-36. 2008 - Safety and efficacy of postoperative continuous positive airway pressure to prevent pulmonary complications after Roux-en-Y gastric bypassSergio Huerta
Center for Human Nutrition, UCLA, Los Angeles, CA 90095 1742, USA
J Gastrointest Surg 6:354-8. 2002..CPAP is a useful modality for treating hypoventilation after RYGB without increasing the risk of developing postoperative anastomotic leaks... - American Association of Clinical Endocrinologists, The Obesity Society, and American Society for Metabolic & Bariatric Surgery Medical guidelines for clinical practice for the perioperative nutritional, metabolic, and nonsurgical support of the bariatJeffrey I Mechanick
Endocr Pract 14:1-83. 2008 - Modification of gene products involved in resistance to apoptosis in metastatic colon cancer cells: roles of Fas, Apaf-1, NFkappaB, IAPs, Smac/DIABLO, and AIFSergio Huerta
Department of Gastrointestinal and Endocrine Surgery, University of Texas Southwestern Medical Center, Dallas, Texas 75216, USA
J Surg Res 142:184-94. 2007..In the present report, we investigated the apoptotic gene products that might account for colon cancer evasion of immune attack and chemoradioresistance-induced apoptosis... - Assessment of comorbid conditions in veteran patients after Roux-en-Y gastric bypassSergio Huerta
University of Texas Southwestern Medical Center Veterans Administration North Texas Health Care System, 4500 Lancaster Rd, Dallas, TX 75216, United States
Am J Surg 194:48-52. 2007..The present study assessed the degree to which comorbid conditions improved after bariatric surgery in veteran patients... - Development of bariatric surgery-specific risk assessment toolEdward H Livingston
Veterans Affairs North Texas Health Care System, Dallas, Texas, USA
Surg Obes Relat Dis 3:14-20; discussion 20. 2007..To date, the risk adjustment tools used for database analysis of bariatric surgical outcomes have been those designed for other purposes, and their sensitivity for bariatric outcomes has not been established... - Gene expression profile of metastatic colon cancer cells resistant to cisplatin-induced apoptosisSergio Huerta
UCLA Center for Human Nutrition, and the David Geffen School of Medicine, UCLA, Los Angeles, CA 90095 1742, USA
Int J Oncol 22:663-70. 2003..Targeting these genes may increase chemotherapy effectiveness in advanced colon cancer and reduce toxicity in normal tissue... - Colon cancer and apoptosisSergio Huerta
Department of Gastrointestinal and Endocrine Surgery, University of Texas Southwestern Medical Center Veterans Administration North Texas Health Care System, Dallas, TX 75216, USA
Am J Surg 191:517-26. 2006.... - Hospital costs associated with bariatric procedures in the United StatesEdward H Livingston
Department of Surgery, VAMC, Dallas and the Division of Gastrointestinal and Endocrine Surgery, University of Texas Southwestern School of Medicine, 5323 Harry Hines Blvd, Room E7-126, Dallas, TX 75390-9156, USA
Am J Surg 190:816-20. 2005..Although laparoscopic gastric bypass is the lease costly approach to bariatric surgery, the fact that costs are lower because of decreased length of stay can be disadvantageous for hospitals reimbursed on a per diem basis... - Health care access and poverty do not explain the higher esophageal cancer mortality in African AmericansJordan A G Miller
Division of Gastrointestinal and Endocrine Surgery, University of Texas Southwestern School of Medicine, 5323 Harry Hines Blvd, Room E7-126, Dallas, TX 75390-9156, USA
Am J Surg 188:22-6. 2004..The higher mortality may be related to lifestyle differences, environmental exposure, or difference in disease biology, but it is not related exclusively to socioeconomic factors... - Effect of diabetes and hypertension on obesity-related mortalityEdward H Livingston
Gastrointestinal and Endocrine Surgery, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390-9156, USA
Surgery 137:16-25. 2005..In terms of mortality, the benefits of weight reduction resulting from weight-loss surgery are less clear if there is no coexistent diabetes or hypertension... - Do young colon cancer patients have worse outcomes?Jessica B O'Connell
Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California 90095, USA
World J Surg 28:558-62. 2004..However, they have equivalent or better 5-year cancer-specific survival compared to older patients. This population-based finding contradicts prior single-institution reports... - Socioeconomic characteristics of the population eligible for obesity surgeryEdward H Livingston
Division of Gastrointestinal and Endocrine Surgery, University of Texas Southwestern School of Medicine, the VA North Texas Health Care System, Dallas, USA
Surgery 135:288-96. 2004..Public assistance programs need to account for these patients. Centers performing bariatric operations need to accommodate the educational and financial constraints these patients have when planning long-term postoperative care... - Bariatric surgery: is it right for your patient?Eve S Guth
Division of General Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
Postgrad Med 120:E01-14. 2008..Careful patient selection is essential for the success of these procedures as is a structured follow-up process once the operations are performed...