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Turrentine FE, Sohn MW, Wilson SL, Stanley C, Novicoff W, Sawyer RG, Williams MD. Fewer thromboembolic events after implementation of a venous thromboembolism risk stratification tool. J Surg Res 2018; 225:148-156. [DOI: 10.1016/j.jss.2018.01.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Revised: 12/13/2017] [Accepted: 01/04/2018] [Indexed: 10/18/2022]
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Charles EJ, Mehaffey JH, Tache-Leon CA, Hallowell PT, Sawyer RG, Yang Z. Inguinal hernia repair: is there a benefit to using the robot? Surg Endosc 2018; 32:2131-2136. [PMID: 29067575 PMCID: PMC10740385 DOI: 10.1007/s00464-017-5911-4] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2017] [Accepted: 10/03/2017] [Indexed: 01/04/2023]
Abstract
BACKGROUND The number of robotic surgical procedures performed yearly is constantly rising, due to improved dexterity and visualization capabilities compared with conventional methods. We hypothesized that outcomes after robotic-assisted inguinal hernia repair would not be significantly different from outcomes after laparoscopic or open repair. METHODS All patients undergoing inguinal hernia repair between 2012 and 2016 were identified using institutional American College of Surgeons National Surgical Quality Improvement Program data. Demographics; preoperative, intraoperative, and postoperative characteristics; and outcomes were evaluated based on method of repair (Robot, Lap, or Open). Categorical variables were analyzed by Chi-square test and continuous variables using Mann-Whitney U. RESULTS A total of 510 patients were identified who underwent unilateral inguinal hernia repair (Robot: 13.8% [n = 69], Lap: 48.1% [n = 241], Open: 38.1% [n = 191]). There were no demographic differences between groups other than age (Robot: 52 [39-62], Lap: 57 [45-67], and Open: 56 [48-67] years, p = 0.03). Operative duration was also different (Robot: 105 [76-146] vs. Lap: 81 [61-103] vs. Open: 71 [56-88] min, p < 0.001). There were no operative mortalities and all patients except one were discharged home the same day. Postoperative occurrences (adverse events, readmissions, and death) were similar between groups (Robot: 2.9% [2], Lap: 3.3% [8], Open: 5.2% [10], p = 0.53). Although rare, there was a significant difference in rate of postoperative skin and soft tissue infection (Robot: 2.9% [2] vs. Lap: 0% [0] vs. Open: 0.5% [1], p = 0.02). Cost was significantly different between groups (Robot: $7162 [$5942-8375] vs. Lap: $4527 [$2310-6003] vs. Open: $4264 [$3277-5143], p < 0.001). CONCLUSIONS Outcomes after robotic-assisted inguinal hernia repair were similar to outcomes after laparoscopic or open repair. Longer operative duration during robotic repair may contribute to higher rates of skin and soft tissue infection. Higher cost should be considered, along with surgeon comfort level and patient preference when deciding whether inguinal hernia repair is approached robotically.
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Sartelli M, Kluger Y, Ansaloni L, Carlet J, Brink A, Hardcastle TC, Khanna A, Chicom-Mefire A, Rodríguez-Baño J, Nathwani D, Mendelson M, Watkins RR, Pulcini C, Beović B, May AK, Itani KMF, Mazuski JE, Fry DE, Coccolini F, Raşa K, Montravers P, Eckmann C, Abbo LM, Abubakar S, Abu-Zidan FM, Adesunkanmi AK, Al-Hasan MN, Althani AA, Ticas JEA, Ansari S, Ansumana R, da Silva ARA, Augustin G, Bala M, Balogh ZJ, Baraket O, Bassett,i M, Bellanova G, Beltran MA, Ben-Ishay O, Biffl WL, Boermeester MA, Brecher SM, Bueno J, Cainzos MA, Cairns K, Camacho-Ortiz A, Ceresoli M, Chandy SJ, Cherry-Bukowiec JR, Cirocchi R, Colak E, Corcione A, Cornely OA, Cortese F, Cui Y, Curcio D, Damaskos D, Daş K, Delibegovic S, Demetrashvili Z, De Simone B, de Souza HP, De Waele J, Dhingra S, Diaz JJ, Di Carlo I, Di Marzo F, Di Saverio S, Dogjani A, Dorj G, Dortet L, Duane TM, Dupont H, Egiev VN, Eid HO, Elmangory M, Marei HES, Enani MA, Escandón-Vargas K, Faro Junior MP, Ferrada P, Foghetti D, Foianini E, Fraga GP, Frattima S, Gandhi C, Gattuso G, Giamarellou E, Ghnnam W, Gkiokas G, Girardis M, Goff DA, Gomes CA, Gomi H, Gronerth RIG, Guirao X, Guzman-Blanco M, Haque M, Hecker A, Hell M, Herzog T, Hicks L, Kafka-Ritsch R, Kao LS, Kanj SS, Kaplan LJ, Kapoor G, Karamarkovic A, Kashuk J, Kenig J, Khamis F, Khokha V, Kiguba R, Kirkpatrick AW, Kørner H, Koike K, Kok KYY, Kon K, Kong V, Inaba K, Ioannidis O, Isik A, Iskandar K, Labbate M, Labricciosa FM, Lagrou K, Lagunes L, Latifi R, Lasithiotakis K, Laxminarayan R, Lee JG, Leone M, Leppäniemi A, Li Y, Liang SY, Liau KH, Litvin A, Loho T, Lowman W, Machain GM, Maier RV, Manzano-Nunez R, Marinis A, Marmorale C, Martin-Loeches I, Marwah S, Maseda E, McFarlane M, de Melo RB, Melotti MR, Memish Z, Mertz D, Mesina C, Menichetti F, Mishra SK, Montori G, Moore EE, Moore FA, Naidoo N, Napolitano L, Negoi I, Nicolau DP, Nikolopoulos I, Nord CE, Ofori-Asenso R, Olaoye I, Omari AH, Ordoñez CA, Ouadii M, Ouedraogo AS, Pagani L, Paiva JA, Parreira JG, Pata F, Pereira J, Pereira NR, Petrosillo N, Picetti E, Pintar T, Ponce-de-Leon A, Popovski Z, Poulakou G, Preller J, Guerrero AP, Pupelis G, Quiodettis M, Rawson TM, Reichert M, Reinhart K, Rems M, Rello J, Rizoli S, Roberts J, Rubio-Perez I, Ruppé E, Sakakushev B, Sall I, Kafil HS, Sanders J, Sato N, Sawyer RG, Scalea T, Scibé R, Scudeller L, Lohse HS, Sganga G, Shafiq N, Shah JN, Spigaglia P, Suroowan S, Tsioutis C, Sifri CD, Siribumrungwong B, Sugrue M, Talving P, Tan BK, Tarasconi A, Tascini C, Tilsed J, Timsit JF, Tumbarello M, Trung NT, Ulrych J, Uranues S, Velmahos G, Vereczkei AG, Viale P, Estape JV, Viscoli C, Wagenlehner F, Wright BJ, Xiao Y, Yuan KC, Zachariah SK, Zahar JR, Mergulhão P, Catena F. A Global Declaration on Appropriate Use of Antimicrobial Agents across the Surgical Pathway. Surg Infect (Larchmt) 2017; 18:846-853. [PMID: 29173054 DOI: 10.1089/sur.2017.219] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
This declaration, signed by an interdisciplinary task force of 234 experts from 83 different countries with different backgrounds, highlights the threat posed by antimicrobial resistance and the need for appropriate use of antibiotic agents and antifungal agents in hospitals worldwide especially focusing on surgical infections. As such, it is our intent to raise awareness among healthcare workers and improve antimicrobial prescribing. To facilitate its dissemination, the declaration was translated in different languages.
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Guidry CA, Sawyer RG. Prevalence of Recent Antimicrobial Exposure among Elective Surgical Patients. Surg Infect (Larchmt) 2017; 18:799-802. [PMID: 28880724 DOI: 10.1089/sur.2017.113] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND The annual prevalence of antimicrobial exposure is high in the outpatient setting and should be a common exposure for surgical patients. Antimicrobials have negative side effects and may be associated with poor outcomes. Logically, one would expect surgical patients to be particularly susceptible to any negative effects of recent antimicrobial exposure. Despite these observations, however, the prevalence of recent antimicrobial exposure among surgical patients remains undefined. The purpose of this study is to define the prevalence of antimicrobial exposure in patients undergoing elective surgical procedures. METHODS Patients presenting for elective operations between August 4, 2015 and August 3, 2016 at our institution were asked prospectively about any antimicrobial exposure in the previous three months. Answers were recorded as either Yes, No, or Unsure. Patients were grouped according to age, American Society of Anesthesiologists (ASA) score, primary operative service, and post-operative destination. Descriptive statistics were employed using simple percentages and chi-square analysis when appropriate. Cochrane-Armitage test was used to evaluate temporal trends. RESULTS There were 21,473 elective surgical procedures performed during the study period across 13 operative services. Answers were recorded for 91.2% cases. The overall prevalence of exposure during this period was 28.6%. Exposure varied with age, ASA score, and surgical specialty. Vascular and transplant operations had the highest prevalence of exposure while ophthalmology and pediatric orthopedic procedures had the lowest. Patients with recent antimicrobial exposure were less likely to be discharged home on the same day and more likely to be admitted to an intensive care or intermediate care unit than those who denied recent exposure. CONCLUSION In this descriptive analysis, the prevalence of recent antimicrobial exposure is overall approximately 28.6% and is higher than anticipated. Further work is needed to determine to what extent, if any, recent antimicrobial exposure impacts post-operative outcomes.
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Bonatti HJR, Sadik KW, Krebs ED, Sifri CD, Pruett TL, Sawyer RG. Clostridium difficile-Associated Colitis Post-Transplant Is Not Associated with Elevation of Tacrolimus Concentrations. Surg Infect (Larchmt) 2017. [PMID: 28650734 DOI: 10.1089/sur.2016.180] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Diarrhea is a common condition after solid organ transplant (SOT); Clostridium difficile-associated colitis (CDAC) is one of the most common infections after SOT. We documented previously that some types of enteritis are associated with an elevation of tacrolimus (TAC) trough concentrations by interfering with the drug's complex metabolism. PATIENTS AND METHODS Tacrolimus concentrations of 25 SOT recipients including 12 renal and 13 liver recipients before, during, and after CDAC were analyzed retrospectively. RESULTS Median age of the 25 patients was 54 y (range, 36-71), there were 15 males and 10 females. Clostridium difficile-associated colitis developed at a median of 55 d (range 2-4551) post-SOT. Median TAC concentrations prior to the outbreak of CDAC were 6.9 ng/mL (range, <1.5-17.2), 5.6 ng/mL (range, <1.5-13.2) during diarrhea, and 7.4 ng/mL (range, <1.5-24.3) after resolution of diarrhea (p > 0.05, NS). Treatment of CDAC consisted of metronidazole for 14 d in all cases. All patients recovered from CDAC but seven patients had CDAC relapse. CONCLUSIONS In contrast to other types of infectious diarrhea such as rotavirus enteritis and cryptosporidiosis, CDAC is not associated with an increase in TAC concentrations. This is because C. difficile causes primarily colitis as opposed to other organisms, which are associated with enteritis.
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Hassinger TE, Guidry CA, Rotstein OD, Duane TM, Evans HL, Cook CH, O'Neill PJ, Mazuski JE, Askari R, Napolitano LM, Namias N, Miller PR, Dellinger EP, Coimbra R, Cocanour CS, Banton KL, Cuschieri J, Popovsky K, Sawyer RG. Longer-Duration Antimicrobial Therapy Does Not Prevent Treatment Failure in High-Risk Patients with Complicated Intra-Abdominal Infections. Surg Infect (Larchmt) 2017. [PMID: 28650745 DOI: 10.1089/sur.2017.084] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Recent studies have suggested the length of treatment of intra-abdominal infections (IAIs) can be shortened without detrimental effects on patient outcomes. However, data from high-risk patient populations are lacking. We hypothesized that patients at high risk for treatment failure will benefit from a longer course of antimicrobial therapy. METHODS Patients enrolled in the Study to Optimize Peritoneal Infection Therapy (STOP-IT) trial were evaluated retrospectively to identify risk factors associated with treatment failure, which was defined as the composite outcome of recurrent IAI, surgical site infection, or death. Variables were considered risk factors if there was a positive statistical association with treatment failure. Patients were then stratified according to the presence and number of these risk factors. Univariable analyses were performed using the Kruskal-Wallis, χ2, and Fisher exact tests. Logistic regression controlling for risk factors and original randomization group, either a fixed four-day antimicrobial regimen (experimental) or a longer course based on clinical response (control), also was performed. RESULTS We identified corticosteroid use, Acute Physiology and Chronic Health Evaluation II score ≥5, hospital-acquired infection, or a colonic source of IAI as risk factors associated with treatment failure. Of the 517 patients enrolled, 263 (50.9%) had one or two risk factors and 16 (3.1%) had three or four risk factors. The rate of treatment failure rose as the number of risk factors increased. When controlling for randomization group, the presence and number of risk factors were independently associated with treatment failure, but the duration of antimicrobial therapy was not. CONCLUSIONS We were able to identify patients at high risk for treatment failure in the STOP-IT trial. Such patients did not benefit from a longer course of antibiotic administration. Further study is needed to determine the optimum duration of antimicrobial therapy in high-risk patients.
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Guidry CA, Hranjec T, Shah PM, Dietch ZC, Hassinger TE, Elwood NR, Sawyer RG. Aggressive Antimicrobial Initiation for Suspected Intensive Care Unit-Acquired Infection Is Associated with Decreased Long-Term Survival after Critical Illness. Surg Infect (Larchmt) 2017; 18:664-669. [PMID: 28557559 DOI: 10.1089/sur.2016.269] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND The long-term significance of early and prolonged antibiotic use in critically ill patients is yet to be described. Several studies suggest that antimicrobial exposure may have as yet unrecognized long-term effects on clinically meaningful outcomes. Our group previously conducted a quasi-experimental, before and after observational cohort study of hemodynamically stable surgical patients suspected of having an intensive care unit-acquired infection. This study demonstrated that aggressive initiation of antimicrobial therapy was associated with increased 30-day deaths. In a follow-up survival analysis, we hypothesized that aggressive antimicrobial treatment would not be a significant predictor of long-term death. METHODS Survival data for the 201 patients included in the initial study were obtained from our clinical data repository. Univariable analysis, Kaplan-Meier, and Cox proportional hazards models were used. Survival was evaluated at one and four years. Age, gender, Acute Physiology and Chronic Health Evaluation (APACHE) II score, and co-morbidities were chosen a priori for potential inclusion in the model. Variables that met the model assumptions after testing were included in the final model. RESULTS Follow-up data were available for 190 patients (95 in each group) representing 94.5% of the initial cohort. Twenty-four (25.3%) patients in the aggressive group had initial APACHE II scores of less than 15 compared with 13 (13.7%) patients in the conservative group (p = 0.04). There was a trend toward higher deaths in the aggressive group at four years (41.1% vs. 30.5%; p = 0.13). Kaplan-Meier analysis demonstrated a difference in survival at one year but not at four years. The Cox proportional hazards model showed a higher long-term death for patients in the aggressive antimicrobial group at both one and four years (hazard rate: 2.26 and 1.70, respectively). CONCLUSION Aggressive initiation of antimicrobial therapy is independently associated with decreased long-term survival after critical illness. While further work is needed to confirm these findings, waiting for evidence of infection before initiation of antibiotic agents may be beneficial.
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Mazuski JE, Tessier JM, May AK, Sawyer RG, Nadler EP, Rosengart MR, Chang PK, O'Neill PJ, Mollen KP, Huston JM, Diaz JJ, Prince JM. The Surgical Infection Society Revised Guidelines on the Management of Intra-Abdominal Infection. Surg Infect (Larchmt) 2017; 18:1-76. [PMID: 28085573 DOI: 10.1089/sur.2016.261] [Citation(s) in RCA: 306] [Impact Index Per Article: 43.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Previous evidence-based guidelines on the management of intra-abdominal infection (IAI) were published by the Surgical Infection Society (SIS) in 1992, 2002, and 2010. At the time the most recent guideline was released, the plan was to update the guideline every five years to ensure the timeliness and appropriateness of the recommendations. METHODS Based on the previous guidelines, the task force outlined a number of topics related to the treatment of patients with IAI and then developed key questions on these various topics. All questions were approached using general and specific literature searches, focusing on articles and other information published since 2008. These publications and additional materials published before 2008 were reviewed by the task force as a whole or by individual subgroups as to relevance to individual questions. Recommendations were developed by a process of iterative consensus, with all task force members voting to accept or reject each recommendation. Grading was based on the GRADE (Grades of Recommendation Assessment, Development, and Evaluation) system; the quality of the evidence was graded as high, moderate, or weak, and the strength of the recommendation was graded as strong or weak. Review of the document was performed by members of the SIS who were not on the task force. After responses were made to all critiques, the document was approved as an official guideline of the SIS by the Executive Council. RESULTS This guideline summarizes the current recommendations developed by the task force on the treatment of patients who have IAI. Evidence-based recommendations have been made regarding risk assessment in individual patients; source control; the timing, selection, and duration of antimicrobial therapy; and suggested approaches to patients who fail initial therapy. Additional recommendations related to the treatment of pediatric patients with IAI have been included. SUMMARY The current recommendations of the SIS regarding the treatment of patients with IAI are provided in this guideline.
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Shah PM, Evans HL, Harrigan A, Sawyer RG, Friel CM, Hedrick TL. Wound Concerns and Healthcare Consumption of Resources after Colorectal Surgery: An Opportunity for Innovation? Surg Infect (Larchmt) 2017; 18:634-640. [PMID: 28486022 DOI: 10.1089/sur.2017.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Significant portions of patients undergoing colorectal surgical procedures have minor incision disturbances, yet very few meet definitions for surgical site infection (SSI). We sought to investigate the natural history of incision disturbances with a focus on the patient experience and resource utilization. We hypothesize that patients who have an incision disturbance consume frequent healthcare resources in the post-operative period despite the fact that most never receive a diagnosis of SSI. METHODS A 24-month prospective observational study was undertaken at an academic institution. Patients undergoing elective colorectal operation by two board-certified colorectal surgeons were followed prospectively for 90 days. Incisions were photographed serially and clinically characterized beginning as early as post-operative day two and at follow-up visits. The primary outcome was patient concern for an incision disturbance. Three surgeons reviewed clinical data and photographs to determine the presence of an incisional surgical infection, and diagnosis required agreement from two of three surgeons. RESULTS There were 171 patients included; 31 (15%) sought evaluation from a healthcare provider for concerns related to their incision including 46 telephone calls, six emergency department visits, seven primary care visits, 10 home health and 40 surgical clinic visits. Incision erythema and drainage were the most common sources of patient concern. Mean body mass index was higher in patients with concern for incision disturbances (34 vs. 28 kg/m2, p < 0.0001). Ultimately, 8% (14/171) received a diagnosis of SSI by study criteria while only 2% (4/171) were captured as having an SSI by the institutional National Surgical Quality Improvement Program database (p < 0.0001). CONCLUSIONS Patients undergoing colorectal surgical procedures commonly are concerned with post-operative incision disturbance, yet few are associated with a diagnosis of SSI, and in-person evaluation yields frequent utilization of healthcare resources. This presents an opportunity for secure electronic communication with the surgical team and the patient to potentially reduce consumption of healthcare resources.
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Willis RN, Charles EJ, Guidry CA, Chordia MD, Davies SW, Yang Z, Sawyer RG. Effect of hypothermia on splenic leukocyte modulation and survival duration in severely septic rats. J Surg Res 2017; 215:196-203. [PMID: 28688647 DOI: 10.1016/j.jss.2017.03.060] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2016] [Revised: 03/06/2017] [Accepted: 03/30/2017] [Indexed: 12/20/2022]
Abstract
BACKGROUND Therapeutic hypothermia (HT) in severe septic shock is associated with prolonged survival. We hypothesized that moderate HT would prolong survival and modulate the inflammatory response in rats with septic shock by exerting its therapeutic effect on splenic leukocytes. MATERIALS AND METHODS Severe septic shock was created in rats by cecal ligation and incision (CLI). One hour after CLI or laparotomy, rats were randomized to sham, normothermia (NT), or 4 h of HT followed by 2 h of rewarming. HT (31 ± 1°C) was induced using a cooling blanket and monitored via a rectal temperature probe. RESULTS Survival duration was 2.78 ± 1.0 h in NT rats and 8.33 ± 0.32 h in HT rats (n = 8/group, P < 0.0001). In separate groups, 3 h after CLI, the spleen weight was significantly smaller in NT rats (769 ± 100 mg) than in HT rats (947 ± 157 mg, P = 0.04). Fluorescent immunostaining of formyl peptide receptors on leukocytes in spleen tissue showed considerably higher formyl peptide receptor expression in HT rats than in NT rats. Significantly elevated proinflammatory cytokines and myeloperoxidase enzyme in plasma were found in NT rats compared with HT rats. Anti-inflammatory cytokine, interleukin-10, was significantly higher in HT rats. Both proinflammatory cytokines and plasma myeloperoxidase were significantly reduced in splenectomized NT rats. CONCLUSIONS Moderate hypothermic therapy significantly prolongs the survival duration of rats with severe septic shock. HT dampens the inflammatory response during septic shock by modulating the spleen to an anti-inflammatory mode and preventing the spleen from releasing activated splenic leukocytes into the blood.
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Mazuski JE, Tessier JM, May AK, Sawyer RG. Response to “Re-Thinking the Definition of Complicated Intra-Abdominal Infection”. Surg Infect (Larchmt) 2017; 18:375-376. [DOI: 10.1089/sur.2017.057] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022] Open
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Shah PM, Edwards BL, Dietch ZC, Sawyer RG, Schroen AT. Relationship of a Second Professional Degree to Research Productivity of General Surgery Residents. JOURNAL OF SURGICAL EDUCATION 2017; 74:124-130. [PMID: 27651050 DOI: 10.1016/j.jsurg.2016.08.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Revised: 07/19/2016] [Accepted: 08/01/2016] [Indexed: 06/06/2023]
Abstract
OBJECTIVE Many general surgery residents interrupt clinical training for research pursuits or advanced degrees during dedicated research time (DRT). We hypothesize that time required to obtain a second degree during DRT decreases resident publication productivity. DESIGN, SETTING, AND PARTICIPANTS All consecutive categorical general surgery residents at the University of Virginia in Charlottesville, VA, graduating in 2007 to 2016 were evaluated. PubMed queries identified journal publications for residents during and after DRT, limited to 1 year postgraduation. DRT varied between 1 and 3 years and was standardized by dividing publication number by DRT plus remaining clinical years and 1 postgraduation year. Median publications were compared between residents by receipt of a second degree. RESULTS Thirty-six residents were eligible for analysis. Of these, 8 obtained a Master's in Clinical Research, 3 received Master of Public Health, and 1 completed a Doctorate of Philosophy. Publications ranged from 2 to 76 for degree residents and 1 to 36 for nondegree residents. For the 12 degree residents, median publication number per year was 3.8 (interquartile range: 2.3, 5.2) compared to 2.6 (interquartile range: 1.6, 3.5) in residents not pursuing a postdoctoral degree (p = 0.04). There was no significant difference in median number of first and second author publications by degree status. CONCLUSION More publications per year were seen among residents earning a second degree, with a statistically significant difference between residents obtaining postdoctoral degrees during DRT compared with their counterparts. Our study demonstrates that residents pursuing a second degree are not hindered in their publication productivity despite the time investment required by the degree program. Additional research is needed to determine whether formal research training through a second degree corresponds to sustained scholarly productivity beyond residency.
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Sartelli M, Labricciosa FM, Barbadoro P, Pagani L, Ansaloni L, Brink AJ, Carlet J, Khanna A, Chichom-Mefire A, Coccolini F, Di Saverio S, May AK, Viale P, Watkins RR, Scudeller L, Abbo LM, Abu-Zidan FM, Adesunkanmi AK, Al-Dahir S, Al-Hasan MN, Alis H, Alves C, Araujo da Silva AR, Augustin G, Bala M, Barie PS, Beltrán MA, Bhangu A, Bouchra B, Brecher SM, Caínzos MA, Camacho-Ortiz A, Catani M, Chandy SJ, Jusoh AC, Cherry-Bukowiec JR, Chiara O, Colak E, Cornely OA, Cui Y, Demetrashvili Z, De Simone B, De Waele JJ, Dhingra S, Di Marzo F, Dogjani A, Dorj G, Dortet L, Duane TM, Elmangory MM, Enani MA, Ferrada P, Esteban Foianini J, Gachabayov M, Gandhi C, Ghnnam WM, Giamarellou H, Gkiokas G, Gomi H, Goranovic T, Griffiths EA, Guerra Gronerth RI, Haidamus Monteiro JC, Hardcastle TC, Hecker A, Hodonou AM, Ioannidis O, Isik A, Iskandar KA, Kafil HS, Kanj SS, Kaplan LJ, Kapoor G, Karamarkovic AR, Kenig J, Kerschaever I, Khamis F, Khokha V, Kiguba R, Kim HB, Ko WC, Koike K, Kozlovska I, Kumar A, Lagunes L, Latifi R, Lee JG, Lee YR, Leppäniemi A, Li Y, Liang SY, Lowman W, Machain GM, Maegele M, Major P, Malama S, Manzano-Nunez R, Marinis A, Martinez Casas I, Marwah S, Maseda E, McFarlane ME, Memish Z, Mertz D, Mesina C, Mishra SK, Moore EE, Munyika A, Mylonakis E, Napolitano L, Negoi I, Nestorovic MD, Nicolau DP, Omari AH, Ordonez CA, Paiva JA, Pant ND, Parreira JG, Pędziwiatr M, Pereira BM, Ponce-de-Leon A, Poulakou G, Preller J, Pulcini C, Pupelis G, Quiodettis M, Rawson TM, Reis T, Rems M, Rizoli S, Roberts J, Pereira NR, Rodríguez-Baño J, Sakakushev B, Sanders J, Santos N, Sato N, Sawyer RG, Scarpelini S, Scoccia L, Shafiq N, Shelat V, Sifri CD, Siribumrungwong B, Søreide K, Soto R, de Souza HP, Talving P, Trung NT, Tessier JM, Tumbarello M, Ulrych J, Uranues S, Van Goor H, Vereczkei A, Wagenlehner F, Xiao Y, Yuan KC, Wechsler-Fördös A, Zahar JR, Zakrison TL, Zuckerbraun B, Zuidema WP, Catena F. The Global Alliance for Infections in Surgery: defining a model for antimicrobial stewardship-results from an international cross-sectional survey. World J Emerg Surg 2017; 12:34. [PMID: 28775763 PMCID: PMC5540347 DOI: 10.1186/s13017-017-0145-2] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Accepted: 07/24/2017] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Antimicrobial Stewardship Programs (ASPs) have been promoted to optimize antimicrobial usage and patient outcomes, and to reduce the emergence of antimicrobial-resistant organisms. However, the best strategies for an ASP are not definitively established and are likely to vary based on local culture, policy, and routine clinical practice, and probably limited resources in middle-income countries. The aim of this study is to evaluate structures and resources of antimicrobial stewardship teams (ASTs) in surgical departments from different regions of the world. METHODS A cross-sectional web-based survey was conducted in 2016 on 173 physicians who participated in the AGORA (Antimicrobials: A Global Alliance for Optimizing their Rational Use in Intra-Abdominal Infections) project and on 658 international experts in the fields of ASPs, infection control, and infections in surgery. RESULTS The response rate was 19.4%. One hundred fifty-six (98.7%) participants stated their hospital had a multidisciplinary AST. The median number of physicians working inside the team was five [interquartile range 4-6]. An infectious disease specialist, a microbiologist and an infection control specialist were, respectively, present in 80.1, 76.3, and 67.9% of the ASTs. A surgeon was a component in 59.0% of cases and was significantly more likely to be present in university hospitals (89.5%, p < 0.05) compared to community teaching (83.3%) and community hospitals (66.7%). Protocols for pre-operative prophylaxis and for antimicrobial treatment of surgical infections were respectively implemented in 96.2 and 82.3% of the hospitals. The majority of the surgical departments implemented both persuasive and restrictive interventions (72.8%). The most common types of interventions in surgical departments were dissemination of educational materials (62.5%), expert approval (61.0%), audit and feedback (55.1%), educational outreach (53.7%), and compulsory order forms (51.5%). CONCLUSION The survey showed a heterogeneous organization of ASPs worldwide, demonstrating the necessity of a multidisciplinary and collaborative approach in the battle against antimicrobial resistance in surgical infections, and the importance of educational efforts towards this goal.
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Farmer D, Tessier JM, Sanders JM, Sawyer RG, Rotstein OD, Dellinger EP, Lipsett PA, Cuschieri J, Miller P, Cook CH, Guidry CA, Askari R, Moore BJ, Duane TM. Age and Its Impact on Outcomes with Intra-Abdominal Infection. Surg Infect (Larchmt) 2016; 18:77-82. [PMID: 28005468 DOI: 10.1089/sur.2016.184] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Age has been shown to play a significant role in the etiology of complicated intra-abdominal infections (cIAIs), but the correlation between age and outcomes after therapy was not investigated in the Study to Optimize Peritoneal Infection Therapy (STOP-IT) trial. PATIENTS AND METHODS Data were obtained by post hoc analysis of the STOP-IT trial database. Patients were stratified by age <65 or ≥65 years. Primary outcomes were surgical site infection (SSI), recurrent IAI (recIAI), and death. Multivariable analysis was performed to identify independent predictors of outcomes. RESULTS There were 398 subjects <65 and 120 ≥ 65 years. Overall baseline characteristics of the two groups were similar. The site of infection was similar between groups except: Colon or rectum (48.3% vs. 29.9%, p = 0.0002) and biliary tree (16.7% vs. 9.1%, p = 0.02), which were more common in the older group, whereas small intestine (6.7% vs. 16.3%, p = 0.008) and appendix (4.2% vs.17.1%, p = 0.0004) were more common in the younger group. Among the primary outcomes, only death was significantly different between the age groups and was more prevalent in the ≥65 years group (4 [3.3%] vs. 1 [0.3%], p = 0.01). Surgical site infection (9.2% vs. 7.3%, p = 0.50), recIAI (15.8% vs. 14.4%, p = 0.69), and a composite outcome (26.7% vs. 20.4%, p = 0.14) were statistically similar between the age groups, and this remained true when controlling for other co-variables. Multivariable analyses did not reveal age as an independent predictor of the composite or individual outcomes. CONCLUSION Patients with a more advanced age demonstrated variable sources of infection relative to the younger cohort, yet received similar treatments. Patient age was not an independent predictor of the undesired cIAI outcomes. These findings suggest that advanced age itself does not play a significant role in predicting these adverse outcomes for cIAIs and does not necessitate an altered treatment tactic.
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Gleason TG, Pruett TL, Sawyer RG. Intra-Abdominal Abscesses: Emphasis on Image-Guided Diagnosis and Therapy. J Intensive Care Med 2016. [DOI: 10.1177/088506669801300606] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Infection of the peritoneal cavity can be divided into acute peritonitis and chronic abscess formation. While acute peritonitis is easier to diagnose and treatment is often straightforward, the diagnosis of an intra-abdominal abscess can be subtle and treatment can involve multiple diagnostic and therapeutic modalities. The advent of high-quality computed tomography and ultrasonography has revolutionized the care of these patients, and has allowed for the definitive management of these infections without open operation. We review the current techniques for the diagnosis, localization, and treatment of these serious infections, discuss important factors influencing the decision between percutaneous and operative approaches, and examine several other controversies In this challenging area.
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Rattan R, Allen CJ, Sawyer RG, Mazuski J, Duane TM, Askari R, Banton KL, Claridge JA, Coimbra R, Cuschieri J, Dellinger EP, Evans HL, Guidry CA, Miller PR, O'Neill PJ, Rotstein OD, West MA, Popovsky K, Namias N. Patients with Risk Factors for Complications Do Not Require Longer Antimicrobial Therapy for Complicated Intra-Abdominal Infection. Am Surg 2016; 82:860-866. [PMID: 27670577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
A prospective, multicenter, randomized controlled trial found that four days of antibiotics for source-controlled complicated intra-abdominal infection resulted in similar outcomes when compared with a longer duration. We hypothesized that patients with specific risk factors for complications also had similar outcomes. Short-course patients with obesity, diabetes, or Acute Physiology and Chronic Health Evaluation II ≥15 from the STOP-IT trial were compared with longer duration patients. Outcomes included incidence of and days to infectious complications, mortality, and length of stay. Obese and diabetic patients had similar incidences of and days to surgical site infection, recurrent intra-abdominal infection, extra-abdominal infection, and Clostridium difficile infection. Short- and long-course patients had similar incidences of complications among patients with Acute Physiology and Chronic Health Evaluation II ≥15. However, there were fewer days to the diagnosis of surgical site infection (9.5 ± 3.4 vs 21.6 ± 6.2, P = 0.010) and extra-abdominal infection (12.4 ± 6.9 vs 21.8 ± 6.1, P = 0.029) in the short-course group. Mortality and length of stay was similar for all groups. A short course of antibiotics in complicated intra-abdominal infection with source control seems to have similar outcomes to a longer course in patients with diabetes, obesity, or increased severity of illness.
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Rattan R, Allen CJ, Sawyer RG, Mazuski J, Duane TM, Askari R, Banton KL, Claridge JA, Coimbra R, Cuschieri J, Dellinger EP, Evans HL, Guidry CA, Miller PR, O'Neill PJ, Rotstein OD, West MA, Popovsky K, Namias N. Patients with Risk Factors for Complications Do Not Require Longer Antimicrobial Therapy for Complicated Intra-Abdominal Infection. Am Surg 2016. [DOI: 10.1177/000313481608200951] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
A prospective, multicenter, randomized controlled trial found that four days of antibiotics for source-controlled complicated intra-abdominal infection resulted in similar outcomes when compared with a longer duration. We hypothesized that patients with specific risk factors for complications also had similar outcomes. Short-course patients with obesity, diabetes, or Acute Physiology and Chronic Health Evaluation II ≥15 from the STOP-IT trial were compared with longer duration patients. Outcomes included incidence of and days to infectious complications, mortality, and length of stay. Obese and diabetic patients had similar incidences of and days to surgical site infection, recurrent intra-abdominal infection, extra-abdominal infection, and Clostridium difficile infection. Short- and long-course patients had similar incidences of complications among patients with Acute Physiology and Chronic Health Evaluation II ≥15. However, there were fewer days to the diagnosis of surgical site infection (9.5 ± 3.4 vs 21.6 ± 6.2, P = 0.010) and extra-abdominal infection (12.4 ± 6.9 vs 21.8 ± 6.1, P = 0.029) in the short-course group. Mortality and length of stay was similar for all groups. A short course of antibiotics in complicated intraabdominal infection with source control seems to have similar outcomes to a longer course in patients with diabetes, obesity, or increased severity of illness.
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Sanders JM, Tessier JM, Sawyer RG, Lipsett PA, Miller PR, Namias N, O'Neill PJ, Dellinger EP, Coimbra R, Guidry CA, Cuschieri J, Banton KL, Cook CH, Moore BJ, Duane TM. Inclusion of Vancomycin as Part of Broad-Spectrum Coverage Does Not Improve Outcomes in Patients with Intra-Abdominal Infections: A Post Hoc Analysis. Surg Infect (Larchmt) 2016; 17:694-699. [PMID: 27483362 DOI: 10.1089/sur.2016.095] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Management of complicated intra-abdominal infections (cIAIs) includes broad-spectrum antimicrobial coverage and commonly includes vancomycin for the empiric coverage of methicillin-resistant Staphylococcus aureus (MRSA). Ideally, culture-guided de-escalation follows to promote robust antimicrobial stewardship. This study assessed the impact and necessity of vancomycin in cIAI treatment regimens. PATIENTS AND METHODS A post hoc analysis of the Study to Optimize Peritoneal Infection Therapy (STOP-IT) trial was performed. Patients receiving piperacillin-tazobactam (P/T) and/or a carbapenem were included with categorization based on use of vancomycin. Univariate and multivariable analyses evaluated effects of including vancomycin on individual and the composite of undesirable outcomes (recurrent IAI, surgical site infection [SSI], or death). RESULTS The study cohort included 344 patients with 110 (32%) patients receiving vancomycin. Isolation of MRSA occurred in only eight (2.3%) patients. Vancomycin use was associated with a similar composite outcome, 29.1%, vs. no vancomycin, 22.2% (p = 0.17). Patients receiving vancomycin had (mean [standard deviation]) higher Acute Physiology and Chronic Health Evaluation II scores (13.1 [6.6] vs. 9.4 [5.7], p < 0.0001), extended length of stay (12.6 [10.2] vs. 8.6 [8.0] d, p < 0.001), and prolonged antibiotic courses (9.1 [8.0] vs. 7.1 [4.9] d, p = 0.02). After risk adjustment in a multivariate model, no significant difference existed for the measured outcomes. CONCLUSIONS This post hoc analysis reveals that addition of vancomycin occurred in nearly one third of patients and more often in sicker patients. Despite this selection bias, no appreciable differences in undesired outcomes were demonstrated, suggesting limited utility for adding vancomycin to cIAI treatment regimens.
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Rattan R, Namias N, Sawyer RG. Patients with Complicated Intra-Abdominal Infection Presenting with Sepsis Do Not Require Longer Duration of Antimicrobial Therapy. J Am Coll Surg 2016; 223:206-7. [DOI: 10.1016/j.jamcollsurg.2016.04.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2016] [Accepted: 04/12/2016] [Indexed: 10/21/2022]
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Guidry CA, Davies SW, Willis RN, Dietch ZC, Shah PM, Sawyer RG. Operative Start Time Does Not Affect Post-Operative Infection Risk. Surg Infect (Larchmt) 2016; 17:547-51. [PMID: 27227370 DOI: 10.1089/sur.2015.150] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Surgical care is delivered 24 h a day at most institutions. Alarmingly, some authors have found that certain operative start times are associated with greater morbidity and mortality rates. This effect has been noted in both the public and private sector. Although some of these differences may be related to process, they may also be caused by the human circadian rhythm and corresponding changes in host defenses. We hypothesized that the time of day of an operation would impact the frequency of certain post-operative outcomes significantly. METHODS Cases at a single tertiary-care center reported to the American College of Surgeons National Surgical Quality Improvement Program over a 10-year period were identified. Operative start times were divided into six-hour blocks, with 6 am to noon serving as the reference. Standard univariable techniques were applied. Multivariable logistic regression with mixed effects modeling then was used to determine the relation between operative start times and infectious outcomes, controlling for surgeon clustering. Statistical significance was set at p < 0.01. RESULTS A total of 21,985 cases were identified, of which 2,764 (12.6%) were emergency procedures. Overall, 9.7% (n = 2,142) of patients experienced some post-operative infectious complication. Seventy percent of these infections (n = 1,506) were surgical site infections. On univariable analysis considering all cases, nighttime and evening operations had higher rates of post-operative infections than those in performed during the day (9.1% from 6 am to noon; 9.7% from noon to 6 pm; 14.8% from 6 pm to midnight; and 14.4% from midnight to 6 am; p < 0.001). On multivariable analysis, operative start time was not associated with the risk of post-operative infection, even when emergency cases were considered independently. CONCLUSION Our data suggest that operative start times have no correlation with post-operative infectious complications. Further work is required to identify the source of the time-dependent outcome variability observed in previous studies.
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Rattan R, Allen CJ, Sawyer RG, Askari R, Banton KL, Claridge JA, Cocanour CS, Coimbra R, Cook CH, Cuschieri J, Dellinger EP, Duane TM, Evans HL, Lipsett PA, Mazuski JE, Miller PR, O’Neill PJ, Rotstein OD, Namias N. Patients with Complicated Intra-Abdominal Infection Presenting with Sepsis Do Not Require Longer Duration of Antimicrobial Therapy. J Am Coll Surg 2016; 222:440-6. [DOI: 10.1016/j.jamcollsurg.2015.12.050] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Accepted: 12/28/2015] [Indexed: 10/22/2022]
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Dietch ZC, Duane TM, Cook CH, O'Neill PJ, Askari R, Napolitano LM, Namias N, Watson CM, Dent DL, Edwards BL, Shah PM, Guidry CA, Davies SW, Willis RN, Sawyer RG. Obesity Is Not Associated with Antimicrobial Treatment Failure for Intra-Abdominal Infection. Surg Infect (Larchmt) 2016; 17:412-21. [PMID: 27027416 DOI: 10.1089/sur.2015.213] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Obesity and commonly associated comorbidities are known risk factors for the development of infections. However, the intensity and duration of antimicrobial treatment are rarely conditioned on body mass index (BMI). In particular, the influence of obesity on failure of antimicrobial treatment for intra-abdominal infection (IAI) remains unknown. We hypothesized that obesity is associated with recurrent infectious complications in patients treated for IAI. METHODS Five hundred eighteen patients randomized to treatment in the Surgical Infection Society Study to Optimize Peritoneal Infection Therapy (STOP-IT) trial were evaluated. Patients were stratified by obese (BMI ≥30) versus non-obese (BMI≥30) status. Descriptive comparisons were performed using Chi-square test, Fisher exact test, or Wilcoxon rank-sum tests as appropriate. Multivariable logistic regression using a priori selected variables was performed to assess the independent association between obesity and treatment failure in patients with IAI. RESULTS Overall, 198 (38.3%) of patients were obese (BMI ≥30) versus 319 (61.7%) who were non-obese. Mean antibiotic d and total hospital d were similar between both groups. Unadjusted outcomes of surgical site infection (9.1% vs. 6.9%, p = 0.36), recurrent intra-abdominal infection (16.2% vs. 13.8, p = 0.46), death (1.0% vs. 0.9%, p = 1.0), and a composite of all complications (25.3% vs. 19.8%, p = 0.14) were also similar between both groups. After controlling for appropriate demographics, comorbidities, severity of illness, treatment group, and duration of antimicrobial therapy, obesity was not independently associated with treatment failure (c-statistic: 0.64). CONCLUSIONS Obesity is not associated with antimicrobial treatment failure among patients with IAI. These results suggest that obesity may not independently influence the need for longer duration of antimicrobial therapy in treatment of IAI versus non-obese patients.
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Hu Y, Guidry CA, Kane BJ, McGahren ED, Rodgers BM, Sawyer RG, Rasmussen SK. Comparative effectiveness of catheter salvage strategies for pediatric catheter-related bloodstream infections. J Pediatr Surg 2016; 51:296-301. [PMID: 26644072 PMCID: PMC4769905 DOI: 10.1016/j.jpedsurg.2015.10.079] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2015] [Accepted: 10/30/2015] [Indexed: 11/18/2022]
Abstract
BACKGROUND Intravascular catheter salvage may be attempted in clinically suitable cases in pediatric patients with catheter-related bloodstream infections. The purpose of this study was to assess the effectiveness of ethanol and hydrochloric acid (HCl) locks in achieving catheter salvage through decision-analysis modeling. METHODS A Markov decision model was created to simulate catheter salvage using three management strategies: systemic antibiotics alone, antibiotics plus HCl lock, and antibiotics plus ethanol lock. One-way and two-way sensitivity analyses were performed for all model variables. Infection control rates and recurrence rates for each strategy were derived from prospective institutional data and existing pediatric literature. Costs were derived from institutional charges. RESULTS With antibiotics alone, 73% of patients would require line replacement within 100days, compared to only 31% and 19% of patients treated with HCl and ethanol lock, respectively. Incremental cost per additional catheter salvaged is $89 for HCl lock and $456 for ethanol lock. Superior efficacy of adjunct lock therapy is insensitive to changes in the anticipated duration of central access requirement and to clinically relevant variations in all model input variables. CONCLUSION HCl or ethanol locks are cost-effective adjuncts to systemic antibiotics for attempted catheter salvage in the setting of catheter-related bloodstream infections.
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Shah PM, Edwards BL, Dietch ZC, Guidry CA, Davies SW, Hennessy SA, Duane TM, O'Neill PJ, Coimbra R, Cook CH, Askari R, Popovsky K, Sawyer RG. Do Polymicrobial Intra-Abdominal Infections Have Worse Outcomes than Monomicrobial Intra-Abdominal Infections? Surg Infect (Larchmt) 2016; 17:27-31. [PMID: 26397376 PMCID: PMC4742966 DOI: 10.1089/sur.2015.127] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Numerous studies have demonstrated microorganism interaction through signaling molecules, some of which are recognized by other bacterial species. This interspecies synergy can prove detrimental to the human host in polymicrobial infections. We hypothesized that polymicrobial intra-abdominal infections (IAI) have worse outcomes than monomicrobial infections. METHODS Data from the Study to Optimize Peritoneal Infection Therapy (STOP-IT), a prospective, multicenter, randomized controlled trial, were reviewed for all occurrences of IAI having culture results available. Patients in STOP-IT had been randomized to receive four days of antibiotics vs. antibiotics until two days after clinical symptom resolution. Patients with polymicrobial and monomicrobial infections were compared by univariable analysis using the Wilcoxon rank sum, χ(2), and Fisher exact tests. RESULTS Culture results were available for 336 of 518 patients (65%). The durations of antibiotic therapy in polymicrobial (n = 225) and monomicrobial IAI (n = 111) were equal (p = 0.78). Univariable analysis demonstrated similar demographics in the two populations. The 37 patients (11%) with inflammatory bowel disease were more likely to have polymicrobial IAI (p = 0.05). Polymicrobial infections were not associated with a higher risk of surgical site infection, recurrent IAI, or death. CONCLUSION Contrary to our hypothesis, polymicrobial IAI do not have worse outcomes than monomicrobial infections. These results suggest polymicrobial IAI can be treated the same as monomicrobial IAI.
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Turza KC, Politano AD, Rosenberger LH, Riccio LM, McLeod M, Sawyer RG. De-Escalation of Antibiotics Does Not Increase Mortality in Critically Ill Surgical Patients. Surg Infect (Larchmt) 2016; 17:48-52. [DOI: 10.1089/sur.2014.202] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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