Race, Insurance, and Socioeconomic Influences on Outcomes Following Roux-En-Y Gastric Bypass.

The effectiveness of Roux-en-Y gastric bypass (RYGB) might be shadowed by disparities in outcomes related to patient race and insurance type. We determine the influence of patient race/ethnicity and insurance types on complications following RYGB. We performed a retrospective analysis using data sourced from the National Inpatient Sample Database (2010 to 2019). A multivariate analysis was employed to determine the relationship between patient race/ethnicity and insurance type on RYGB complications. The analysis determined the interaction between race/ethnicity and insurance type on RYGB outcomes. We analyzed 277714 patients who underwent RYGB. Most of these patients were White (64.5%) and female (77.3%), with a median age of 46 years (IQR 36-55). Medicaid beneficiaries displayed less favorable outcomes than those under private insurance: Extended hospital stay (OR = 1.68; 95% CI 1.58-1.78), GIT Leak (OR = 1.83; 95% CI 1.35-2.47), postoperative wound infection (OR = 1.88; 95% CI 1.38-2.55), and in-hospital mortality (OR = 2.74; 95% CI 1.90-3.95).

Utilization and Outcomes of Roux-en-Y Gastric Bypass Surgery Following the Affordable Care Act in the United States.

BACKGROUND: The passage of the Affordable Care Act (ACA) in 2010 marked a pivotal moment in American health care policy, significantly expanding access to health care services. This study aims to explore the relationship between the ACA and the utilization and outcomes of Roux-en-Y Gastric Bypass (RYGB) surgery. METHODS: Using data from the National Inpatient Sample (NIS) Database, this retrospective study compares the pre-ACA period (2007-2009) with the post-ACA period (2017-2019), encompassing patients who had RYGB. Multivariable logistic analysis was done accounting for patient's characteristics, comorbidities, and hospital type. RESULTS: In the combined periods, there were 158 186 RYGB procedures performed, with 30.0% transpiring in pre-ACA and 70.0% in the post-ACA. Post-ACA, the proportion of uninsured patients decreased from 4.8% to 3.6% (P < .05), while Black patients increased from 12.5% to 18.5% (P < .05). Medicaid-insured patients increased from 6.8% to 18.1% (P < .05), and patients in the poorest income quartile increased from 20% to 26% (P < .05). Patients in the post-ACA period were less likely to have longer hospital stays (OR = .16: 95% CI .16-.17, P < .01), in-hospital mortality (OR = .29: 95% CI .18-.46, P < .01), surgical site infection (OR = .25: 95% CI .21-.29, P < .01), postop hemorrhage (OR = .24: 95% CI .21-.28, P < .01), and anastomotic leak (OR = .14: 95% CI .10-.18, P < .01) than those in the pre-ACA period. DISCUSSION: Following the implementation of the ACA, utilization of bariatric surgery significantly increased, especially among Black patients, Medicaid beneficiaries, and low-income patients. Moreover, despite the inclusion of more high-risk surgical patients in the post-ACA period, there were better outcomes after surgery.

Early Cholecystectomy in Patients with Sickle Cell Disease with Uncomplicated Cholelithiasis Is Associated with Better Outcomes.

BACKGROUND: Up to 85% of patients with sickle cell disease (SCD) will develop gallstones by their third decade. Cholecystectomy is the most commonly performed procedure in these patients. Cholecystectomy is recommended for patients with SCD with symptomatic cholelithiasis and leads to lower morbidity. No contemporary large studies have evaluated this recommendation or associated clinical outcomes. This study evaluates clinical outcomes after cholecystectomy in patients with SCD and cholelithiasis with specific advanced clinical presentations. STUDY DESIGN: The Nationwide Inpatient Sample was queried for patients with SCD and gallbladder disease between 2006 and 2015. Patients were divided into groups based on their disease presentation, including uncomplicated cholelithiasis, acute and chronic cholecystitis, and gallstone pancreatitis. Clinical outcomes associated with disease presentation were analyzed. Statistical analysis was performed using the Student's t -test, chi-square test, ANOVA, and logistic regression. RESULTS: There were 6,662 patients with SCD who presented with cholelithiasis. Median age was 20 (interquartile range 16 to 34) years and 54% were female patients. Cholecystectomy was performed in 1,779 patients with SCD with the most common indication being chronic cholecystitis (44%), followed by uncomplicated cholelithiasis (27%), acute cholecystitis (21%), and choledocholithiasis or gallstone pancreatitis (8%). On multivariable regression, advanced clinical presentation was the strongest predictor of perioperative vaso-occlusive crisis, which was the most common complication. Patients undergoing cholecystectomy for uncomplicated cholelithiasis were at lower risk than those with acute cholecystitis (odds ratio [OR] 2.37; 95% CI 1.64 to 3.41), chronic cholecystitis (OR 1.74; 95% CI 1.26 to 2.4), and choledocholithiasis or gallstone pancreatitis (OR 2.24; 95% CI 1.41 to 3.57). CONCLUSIONS: Seventy-three percent of patients with SCD have advanced clinical presentation at the time of their cholecystectomy. After cholecystectomy, perioperative vaso-occlusive events were significantly increased in patients with advanced clinical presentation. These data support screening abdominal ultrasounds and early cholecystectomy for cholelithiasis in patients with SCD.

The impact of the affordable care act on access to bariatric surgery in Maryland.

INTRODUCTION: This study aims to investigate the influence of the Affordable Care Act (ACA) on the utilization of Roux-en-Y gastric bypass (RYGB) procedures in Maryland. METHODS: Using the Maryland State Inpatient Database, this retrospective study compared all patients undergoing RYGB during the pre-ACA (2007-2009) and post-ACA (2018-2020) periods, including patient demographic factors, pre-existing conditions, and socioeconomic factors. RESULTS: A total of 16,494 RYGB procedures were performed during the study period, of which 12,089 (73.3 â€‹%) were post-ACA. This was a 179.2 â€‹% increase in patients undergoing RYGB post-ACA; nearly triple that of the pre-ACA period. There was a significant decrease in uninsured patients (5.6 â€‹%-1.5 â€‹%, p â€‹< â€‹0.01) an increase in Black patients (32.1 â€‹%-46.8 â€‹%, p â€‹< â€‹0.01) and Medicaid beneficiaries (6.0 â€‹% pre-ACA to 17.8 â€‹% post-ACA, p â€‹< â€‹0.01). There were significant reductions in adverse outcomes (long hospital stays, hemorrhage, GIT leaks, and mortality) across all insurance types (all p â€‹< â€‹0.01). CONCLUSION: The ACA increased access to RYGB procedures, especially in Black and Medicaid recipients in Maryland, enhancing healthcare across all insurance types.

Characteristics and resolution of hypertension in obese African American bariatric cohort.

Weight reduction continues to be first-line therapy in the treatment of hypertension (HTN). However, the long-term effect of bariatric malabsorptive surgical techniques such as Roux-en-Y Gastric Bypass (RYGB) surgery in the management of hypertension (HTN) is less clear. African Americans (AA) are disproportionately affected by obesity and hypertension and have inconsistent outcomes after bariatric surgery (BS). Despite a plethora of bariatric literature, data about characteristics of a predominantly AA bariatric hypertensive cohort including hypertension in obese (HIO) are scarce and underreported. The aims of this study were, (1) to describe the preoperative clinical characteristics of HIO with respect to HTN status and age, and (2) to identify predictors of HTN resolution one year after RYGB surgery in an AA bariatric cohort enrolled at the Howard University Center for Wellness and Weight Loss Surgery (HUCWWS). In the review of 169 AA bariatric patients, the average BMI was 48.50 kg/m2 and the average age was 43.86 years. Obese hypertensive patients were older (46 years vs. 37.89 years; p < .0001); had higher prevalence of diabetes mellitus (DM, 43.09% vs. 10.87%; p < .0001) and dyslipidemia (38.2% vs. 13.04%; p 0.002). Hypertensive AA who were taking ≥ 2 antihypertensive medications prior to RYGB were 18 times less likely to experience HTN resolution compared to hypertensive AA taking 0-1 medications, who showed full or partial response. Also, HIO was less likely to resolve after RYGB surgery in patients who needed ≥ 2 antihypertensive medications prior to surgical intervention.

Should I be Concerned? Surgical Training in the Time of COVID19.

As the US healthcare system restructured to deal with the COVID-19 pandemic, medical training was significantly disrupted. During the peak of the crisis, three surgical trainees in different stages of their residency shared their experiences and concerns on how this pandemic affected their training. The article is intended to generate discussion on the concerns of derailment and stagnation of surgical training and difficulties faced at all levels of surgical training to perform clinical duties and fulfill academic responsibilities during the early months of the COVID pandemic.

Are we doing too many non-therapeutic laparotomies in trauma? An analysis of the National Trauma Data Bank.

BACKGROUND: Exploratory laparotomy (EL) has been the definitive diagnostic and therapeutic modality for operative abdominal trauma in the US. Recently, many trauma centers have started using diagnostic laparoscopy (DL) in stable trauma patients in an effort to reduce the incidence of non-therapeutic laparotomy (NL). We aim to evaluate the incidence of NL in the trauma population in the US and compare the outcomes between DL and NL. METHODS: Using ICD-9 codes, the National Trauma Data Bank (2010-2015) was queried for patients undergoing any abdominal surgical intervention. Patients were divided into two groups: diagnostic laparoscopy (DL) and exploratory laparotomy (EL). Hemodynamically unstable patients on arrival and patients with abbreviated injury score (AIS) > 3 were excluded. Patients in EL group without any codes for gastrointestinal, diaphragmatic, hepatic, splenic, vascular, or urological procedures were considered to have undergone NL. After excluding patients who were converted to open from the DL group, multivariate regression models were used to analyze the outcomes of DL vs NL group with respect to mortality, length of stay, and complications. RESULTS: A total of 3197 patients underwent NL vs 1323 patients who underwent DL. Compared to DL group, the NL group were older (mean age: 35 vs. 31, P < 0.01). Rate of penetrating injury was 77% vs 86% for patients in NL vs DL. On multivariate analysis, NL was associated with increased mortality (OR 4.5, 95% CI 2.1-9.7), higher rate of complications (OR 2.2, 95% CI 1.4-3.3), and a longer hospital stay (OR 2.7, 95% CI 2.1-3.5). NL was also associated with higher rates of pneumonia, VTE, ARDS, and cardiac arrest. CONCLUSION: With increasing experience in minimally invasive surgery, DL should be a part of the armamentarium of trauma surgeons. This study supports that in well-selected trauma patients DL has favorable outcomes compared to NL. These findings warrant further investigation.

The heavy price of conversion from laparoscopic to open procedures for emergent cholecystectomies.

BACKGROUND: Laparoscopic cholecystectomy (LC) is the standard operative intervention for gallbladder disease. Complications may necessitate conversion to an open cholecystectomy (OC). This study aims to determine the cost-consequences of laparoscopic-to-open conversion using a nationally-representative sample. METHODS: Using the National Inpatient Sample (2007-2011), adult patients undergoing emergent LC were identified. Patients undergoing secondary-conversion to OC were subsequently identified. Multivariable regression analyses, accounting for differences in propensity-quintile, mortality, length of stay, and hospital-level factors were then performed to assess for differences in the odds of conversion and total predicted mean costs per index-hospitalization. RESULTS: Of 225,805 observations, conversion to open occurred in 1.86% (n = 4203) of cases. Increased age, African-American ethnicity, public-insurance and teaching-hospital status were associated with a higher likelihood of conversion (p < 0.05) after risk-adjustment. Risk-adjusted odds of conversion increased by 34% (95%CI:1.33-1.36) for each day surgery was delayed. Risk-adjusted costs, were 259% higher (absolute-difference $23,358,p < 0.05) with conversion. Mortality was higher amongst patients undergoing conversion to open (4.98% vs 0.34%,p < 0.001). CONCLUSION: Patients undergoing conversion from laparoscopic to open cholecystectomy are at an increased risk of receiving disparate care and increased mortality.

Socioeconomic disparities in the complexity of hernias evaluated at Emergency Departments across the United States.

BACKGROUND: Hernias represent one of the most common surgical conditions with a high-burden on health expenditures. We examined the impact of socioeconomic-status and complexity of presentation among patients in the Emergency Department (ED). METHODS: Retrospective analysis of 2006-2014 data from the Nationwide Emergency Department Sample, identified adult discharges with a diagnosis of inguinal, femoral, and umbilical hernia. Cases were dichotomized: complicated and uncomplicated. Unadjusted and adjusted analyses were used to determine factors that influence ED presentation. RESULTS: Among 264,484 patients included, 73% presented as uncomplicated hernias and were evaluated at urban hospitals (86%). Uncomplicated presentation was more likely in Medicaid (OR 1.56 95%CI1.50-1.61) and uninsured (OR 1.73 95%CI 1.67-1.78), but less likely for patients within the third and fourth MHI quartile (OR 0.82 95%CI 0.80-0.84 and OR 0.77 95%CI 0.75-0.79), respectively. CONCLUSION: Uninsured, publicly-insured, and low-MHI patients were more likely to present to ED with uncomplicated hernias. This finding might reflect a lack of access to primary surgical care for non-urgent surgical diseases.

Non-operative management of adhesive small bowel obstruction: Should there be a time limit after which surgery is performed?

The management of adhesive small bowel obstruction (ASBO) has evolved from "the sun should not rise and set on a small bowel obstruction", implying mandatory immediate surgical exploration to selective non-operative management. Not every patient with adhesive small bowel obstruction meets criteria for non-operative management and treating all comers the same way can lead to catastrophic outcomes. Water Soluble Contrast Medium (WSCM) has important diagnostic and therapeutic utility in the management of ASBO and should be employed ab initio. Laparoscopy has emerged as a reasonable and safe alternative to laparotomy for surgical management of ASBO in carefully selected patients and has distinct advantages.

Laparoscopic Splenectomy for Trauma.

BACKGROUND AND OBJECTIVES: The use of laparoscopy in the trauma setting is gaining momentum, with more therapeutic procedures being performed. We evaluated the use of laparoscopic splenectomy among trauma patients with data from the National Trauma Database. We compared outcomes for trauma patients undergoing laparoscopic (LS) versus open splenectomy (OS). METHODS: From the National Trauma Database (2007 to 2015), we identified all patients who underwent a total splenectomy. Patients who had other abdominal operations were excluded. All patients were categorized into 1 of 2 groups: LS or OS. Outcomes of in-hospital mortality, postoperative length of stay, and incidence of major complications between the 2 groups were compared. Bivariate parametric and nonparametric analyses were performed. Patients were then matched on baseline demographic and injury characteristics by using propensity score matching techniques, and we compared differences by using regression analysis. RESULTS: A total of 25,408 patients underwent OS and 113 patients underwent LS (0.44%). Patients were significantly different at baseline, with the LS group being less severely injured. Bivariate analysis revealed no difference in length of stay (9 vs 8 days, P = .62), incidence of major complications (10% vs 15%, P = .24), or mortality (6% vs 11%, P = .23). LS was performed in 29.2% of patients beyond 24 hours from presentation compared with 9.5% in the OS (P < .001). Adjusted multivariate analysis showed no overall difference in outcomes. CONCLUSION: LS for trauma is increasingly being used at many centers throughout the United States. The procedure is safe, with outcomes similar to those of OS in selected trauma patients.

Percutaneous Gastrostomy Device for the Treatment of Class II and Class III Obesity: Results of a Randomized Controlled Trial.

OBJECTIVES: The AspireAssist System (AspireAssist) is an endoscopic weight loss device that is comprised of an endoscopically placed percutaneous gastrostomy tube and an external device to facilitate drainage of about 30% of the calories consumed in a meal, in conjunction with lifestyle (diet and exercise) counseling. METHODS: In this 52-week clinical trial, 207 participants with a body-mass index (BMI) of 35.0-55.0 kg/m2 were randomly assigned in a 2:1 ratio to treatment with AspireAssist plus Lifestyle Counseling (n=137; mean BMI was 42.2±5.1 kg/m2) or Lifestyle Counseling alone (n=70; mean BMI was 40.9±3.9 kg/m2). The co-primary end points were mean percent excess weight loss and the proportion of participants who achieved at least a 25% excess weight loss. RESULTS: At 52 weeks, participants in the AspireAssist group, on a modified intent-to-treat basis, had lost a mean (±s.d.) of 31.5±26.7% of their excess body weight (12.1±9.6% total body weight), whereas those in the Lifestyle Counseling group had lost a mean of 9.8±15.5% of their excess body weight (3.5±6.0% total body weight) (P<0.001). A total of 58.6% of participants in the AspireAssist group and 15.3% of participants in the Lifestyle Counseling group lost at least 25% of their excess body weight (P<0.001). The most frequently reported adverse events were abdominal pain and discomfort in the perioperative period and peristomal granulation tissue and peristomal irritation in the postoperative period. Serious adverse events were reported in 3.6% of participants in the AspireAssist group. CONCLUSIONS: The AspireAssist System was associated with greater weight loss than Lifestyle Counseling alone.

Bariatric surgery outcomes in black patients with super morbid obesity: a 1-year postoperative review.

BACKGROUND: Super morbid obesity (body mass index [BMI] > 50 kg/m2) is associated with significant comorbidities and is disparagingly prevalent among the black population. There is paucity of data regarding bariatric surgery outcomes among super morbid obese (SMO) blacks. Our aim is to evaluate the reduction in weight and resolution of comorbidities after bariatric surgery among SMO black patients at an urban academic institution. METHODS: A retrospective review of SMO black patients who underwent bariatric surgery from August 2008 to June 2013 at Howard University Hospital. Outcomes of interest include weight loss, improvement or resolution of hypertension, type 2 diabetes, and hyperlipidemia at 12 months. RESULTS: Eighty-seven patients met our inclusion criteria. Mean preoperative weight and BMI were 347.2 lbs and 56.8 kg/m2, respectively. At 12 months, mean weight and BMI were 245.3 lbs and 40.1 kg/m2, respectively. There was also significant improvement or resolution of hypertension, type 2 diabetes, and hyperlipidemia. CONCLUSIONS: Bariatric surgery may result in significant weight loss and improvement or resolution of comorbidities in SMO black patients.

Revision of Roux-En-Y Gastric Bypass for Weight Regain: a Systematic Review of Techniques and Outcomes.

BACKGROUND: Weight regain has led to an increase in revision of Roux-en-Y gastric bypass (RYGB) surgeries. There is no standardized approach to revisional surgery after failed RYGB. We performed an exhaustive literature search to elucidate surgical revision options. Our objective was to evaluate outcomes and complications of various methods of revision after RYGB to identify the option with the best outcomes for failed primary RYGB. METHOD: A systematic literature search was conducted using the following search tools and databases: PubMed, Google Scholar, Cochrane Clinical Trials Database, Cochrane Review Database, EMBASE, and Allied and Complementary Medicine to identify all relevant studies describing revision after failed RYGB. Inclusion criteria comprised of revisional surgery for weight gain after RYGB. RESULTS: Of the 1200 articles found, only 799 were selected for our study. Of the 799, 24 studies, with a total of 866 patients, were included for a systematic review. Of the 24 studies, 5 were conversion to Distal Roux-en-y gastric bypass (DRYGB), 5 were revision of gastric pouch and anastomosis, 6 were revision with gastric band, 2 were revision to biliopancreatic diversion/duodenal switch (BPD/DS), and 6 were revision to endoluminal procedures (i.e., stomaphyx). Mean percent excess body mass index loss (%EBMIL) after revision up to 1 and 3-year follow-up for BPD/DS was 63.7 and 76 %, DRYGB was 54 and 52.2 %, gastric banding revision 47.6 and 47.3 %, gastric pouch/anastomosis revision 43.3 and 14 %, and endoluminal procedures at 32.1 %, respectively. Gastric pouch/anastomosis revision resulted in the lowest major complication rate at 3.5 % and DRYGB with the highest at 11.9 % when compared to the other revisional procedures. The mortality rate was 0.6 % which only occurred in the DRYGB group. CONCLUSION: All 866 patients in the 24 studies reported significant early initial weight loss after revision for failed RYGB. However, of the five surgical revision options considered, BPD/DS, DRYGB, and gastric banding resulted in sustained weight loss, with acceptable complication rate.

Morbid obesity is an independent risk factor for postoperative renal dysfunction in young adults: a review of the American College of Surgeons National Surgical Quality Improvement Program database.

BACKGROUND: Little information exists on the acute effects of elective surgery on renal function. Our aim was to determine if obesity was an independent risk factor for postoperative renal complications (RCs). METHODS: A total of 119,142 patients aged 18 to 35 years with body mass index (BMI) ≥18 kg/m(2) obtained from American College of Surgeons National Surgical Quality Improvement Project (2005 to 2010) were classified into standard BMI categories. Association between BMI and preoperative estimated glomerular filtration rate (eGFR; calculated using modification of diet in renal disease formula) was analyzed. Postoperative changes in eGFR and RCs were measured. Multivariate regression analysis was performed adjusting for all variables. RESULTS: Postoperatively, there was a reduction in eGFR among the overweight (-3.4 mL/min/1.73 m(2), P < .001), obese class I (-3.9 mL/min/1.73 m(2), P = .001), and obese class II (-5.3 mL/min/1.73 m(2), P < .001). The odds of any postoperative RC was significantly higher in obese class III patients (odds ratio = 2.01 95% confidence interval 1.07 to 3.76, P = .029). CONCLUSIONS: Results seen in patients with BMI greater than 40 indicate that BMI can serve as an independent predictor of RCs.

Race and socioeconomic disparities in national stoma reversal rates.

BACKGROUND: Many temporary stomas are never reversed leading to significantly worse quality of life. Recent evidence suggests a lower rate of reversal among minority patients. Our study aimed to elucidate disparities in national stoma closure rates by race, medical insurance status, and household income. METHODS: Five years of data from the Nationwide Inpatient Sample (2008 to 2012) was used to identify the annual rates of stoma formation and annual rates of stoma closure. Stomas labeled as "permanent" or those created secondary to colorectal cancers were excluded. Temporary stoma closure rates were calculated, and differences were tested with the chi-square test. Separate analyses were performed by race/ethnicity, insurance status, and household income. Nationally representative estimates were calculated using discharge-level weights. RESULTS: The 5-year average annual rate of temporary stoma creation was 76,551 per year (46% colostomies and 54% ileostomies). The annual rate of stoma reversal was 50,155 per year that equated to an annual reversal rate of 65.5%. Reversal rates were higher among white patients compared with black patients (67% vs 56%, P < .001) and among privately insured patients compared with uninsured patients (88% vs 63%, P < .001). Reversal rates increased as the household income increased from 61% in the lowest income quartile to 72% in the highest quartile (P < .001). CONCLUSIONS: Stark disparities exist in national rates of stoma closure. Stoma closure is associated with race, insurance, and income status. This study highlights the lack of access to surgical health care among patients of minority race and low-income status.

Assessing the value of routine upper gastrointestinal contrast studies following bariatric surgery: a systematic review and meta-analysis.

BACKGROUND: Understanding both the efficacy of upper gastrointestinal (UGI) contrast studies and the factors that impact their accuracy is necessary to optimize postoperative imaging protocols. However, a consensus as to the value of UGI performed after bariatric surgery remains elusive. The objective was to determine the sensitivity and specificity of UGI conducted routinely within 2 days after bariatric surgery for detecting anastomotic leaks. METHODS: We conducted an electronic search of MEDLINE for all English language articles published between 2003 and 2013 concerning diagnostic imaging after bariatric surgery. Nineteen studies evaluating a total of 10,139 patients met the inclusion criteria. The methodological quality of each included study was evaluated using the Quality Assessment of Diagnostic Accuracy Studies-2 procedure. RESULTS: UGI has an overall sensitivity of .54 and a specificity of 1.00. The standard deviation of the reported sensitivities was .36. Positive and negative predictive values were .67 and .98, respectively. Sensitivity and specificity were negatively correlated. CONCLUSIONS: The sensitivity of UGI for detecting the presence of anastomotic leaks within 2 days of bariatric surgery is moderate overall but fluctuates substantially. The negative correlation between sensitivity and specificity could indicate that the threshold used to distinguish between positive and negative test results varies between institutions. Accordingly, clinicians may consider shifting the threshold for declaring a UGI positive; treating marginal radiological evidence of leakage as presumptively positive may be a simple way to lower specificity, increase sensitivity, and in turn maximize UGI's clinical value.

Body mass index in blunt trauma patients with hemorrhagic shock: opposite ends of the body mass index spectrum portend poor outcome.

BACKGROUND: There are controversial data on the relationship between trauma and body mass index. We investigated this relationship in traumatic hemorrhagic shock. METHODS: The "Glue Grant" database was analyzed, stratifying patients into underweight, normal weight (NW), overweight, Class I obesity, Class II obesity, and Class III obesity. Predictors of mortality and surgical interventions were statistically determined. RESULTS: One thousand nine hundred seventy-six patients were included with no difference in injury severity between groups. Marshall's score was elevated in overweight (5.3 ± 2.7, P = .016), Class I obesity (5.8 ± 2.7, P < .001), Class II obesity (5.9 ± 2.8, P < .001), and Class III obesity (6.3 ± 3.0, P < .001) compared with NW (4.8 ± 2.6). Underweight had higher lactate (4.8 ± 4.2 vs 3.3 ± 2.5, P = .04), were 4 times more likely to die (odds ratio 3.87, confidence interval 2.22 to 6.72), and were more likely to undergo a laparotomy (odds ratio 2.06, confidence interval 1.31 to 3.26) than NW. CONCLUSION: Early assessment of body mass index, with active management of complications in each class, may reduce mortality in traumatic hemorrhagic shock.

Open abdominal surgery: a risk factor for future laparoscopic surgery?

BACKGROUND: This study seeks to investigate the outcomes of laparoscopic procedures in patients with previous open abdominal surgery. METHODS: Using data from the National Surgical Quality Improvement Program (2005 to 2009), we identified patients who had undergone laparoscopic cholecystectomy, Nissen fundoplication, Heller myotomy, splenectomy, Roux-en-Y, sleeve gastrectomy, gastric band, appendectomy, or colectomy. Patients were then classified as to whether adhesiolysis (AD) was also carried out. Bivariate and multivariate analysis was used to compare groups. RESULTS: A total of 162,415 patients met our inclusion criteria, comprising 4,501 (3%) in the AD group and 157,913 (97%) in the nonadhesiolysis (NAD) group. Patient who had received lysis of adhesion were older, had 41% higher odds of overall complications, 17% higher adjusted mean lysis of adhesion (P < .001), and 26% higher adjusted mean operation duration (P < .001). CONCLUSIONS: A history of previous open abdominal surgery increases the potential complication rate and hospital length of stay during subsequent laparoscopic surgery. The extent of this relationship deserves further investigation.

Lower extremity arterial reconstruction in obese patients.

BACKGROUND: Previous reports have noted that obese patients undergoing lower extremity arterial reconstruction have higher complication rates compared with nonobese patients. We evaluated the effect of obesity on outcomes following open infrainguinal arterial reconstruction on a national level. METHODS: A query of the American College of Surgeons' National Surgical Quality Improvement Program Database was conducted to identify all adult patients who underwent open infrainguinal lower extremity arterial reconstruction from 2005 to 2009. Postoperative outcomes were analyzed in different body mass index groups. RESULTS: Obese and morbidly obese patients had a higher risk of wound infection when compared with normal weight patients (odds ratios 2.1 and 2.7, P < .05). Obese patients had a lower mortality when compared with normal weight patients (odds ratio .83, P < .05). CONCLUSIONS: Obesity was associated with an increase in wound infection after open lower extremity arterial reconstruction. Obesity, but not morbid obesity, was associated with decreased mortality.