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  1. Article ; Online: The effect of diabetes mellitus on perioperative outcomes after colorectal resection: a national cohort study.

    Gysling, Savannah / Lewis-Lloyd, Christopher A / Lobo, Dileep N / Crooks, Colin J / Humes, David J

    British journal of anaesthesia

    2024  

    Abstract: Background: Diabetes mellitus is a significant modulator of postoperative outcomes and is an important risk factor in the patient selection process. We aimed to investigate the effect of diabetes mellitus and use of insulin on outcomes after colorectal ... ...

    Abstract Background: Diabetes mellitus is a significant modulator of postoperative outcomes and is an important risk factor in the patient selection process. We aimed to investigate the effect of diabetes mellitus and use of insulin on outcomes after colorectal resection using a national cohort.
    Methods: Adults with a recorded colorectal resection in England between 2010 and 2020 were identified from Hospital Episode Statistics data linked to the Clinical Practice Research Database. The primary outcome was 90-day mortality. Secondary outcomes included hospital length of stay (LOS) and readmission within 90 days.
    Results: Of the 106 139 (52 875, 49.8% male) patients included, diabetes mellitus was prevalent in 10 931 (10.3%), 2145 (19.6%) of whom had a record of use of insulin. Unadjusted 90-day mortality risk was 5.7%, with an increased adjusted hazard ratio (aHR) for people with diabetes mellitus (aHR 1.28, 95% confidence interval [CI] 1.19-1.37, P<0.001). This risk was higher in both people with diabetes using insulin (aHR 1.51, 95% CI 1.31-1.74, P<0.001) and not using insulin (aHR 1.22, 95% CI 1.13-1.33, P<0.001), compared with those without diabetes. Ninety-day readmission occurred in 20 542 (19.4%) patients and this was more likely in those with diabetes mellitus (aHR 1.23, 95% CI 1.18-1.29, P<0.001). Median (inter-quartile range) LOS was 8 (5-15) days and was higher in people with diabetes mellitus (adjusted time ratio 1.10, 95% CI 1.08-1.11, P<0.001).
    Conclusions: People with diabetes mellitus undergoing colorectal resection are at a higher risk of 90-day mortality, prolonged LOS, and 90-day readmission, with use of insulin associated with additional risk.
    Language English
    Publishing date 2024-05-16
    Publishing country England
    Document type Journal Article
    ZDB-ID 80074-0
    ISSN 1471-6771 ; 0007-0912
    ISSN (online) 1471-6771
    ISSN 0007-0912
    DOI 10.1016/j.bja.2024.04.010
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  2. Article ; Online: Risk of Postoperative Venous Thromboembolism After Benign Colorectal Surgery: Systematic Review and Meta-analysis.

    Leow, Tjun Wei / Rashid, Adil / Lewis-Lloyd, Christopher A / Crooks, Colin J / Humes, David J

    Diseases of the colon and rectum

    2023  Volume 66, Issue 7, Page(s) 877–885

    Abstract: Background: Venous thromboembolism is a well-established preventable complication after colectomy. Specific guidance on venous thromboembolism prevention after colectomy for benign disease is limited.: Objective: This meta-analysis aimed to quantify ... ...

    Abstract Background: Venous thromboembolism is a well-established preventable complication after colectomy. Specific guidance on venous thromboembolism prevention after colectomy for benign disease is limited.
    Objective: This meta-analysis aimed to quantify the venous thromboembolism risk after benign colorectal resection and determine its variability.
    Data sources: Following Preferred Reporting Items for Systematic Review and Meta-Analysis and Meta-analysis of Observational Studies in Epidemiology Guidelines (PROSPERO: CRD42021265438), Embase, MEDLINE, and 4 other registered medical literature databases were searched from the database inception to June 21, 2021.
    Study selection: Inclusion criteria: randomized controlled trials and large population-based database cohort studies reporting 30-day and 90-day venous thromboembolism rates after benign colorectal resection in patients aged ≥18 years. Exclusion criteria: patients undergoing colorectal cancer or completely endoscopic surgery.
    Main outcome measures: Thirty- and 90-day venous thromboembolism incidence rates per 1000 person-years after benign colorectal surgery.
    Results: Seventeen studies were eligible for meta-analysis reporting on 250,170 patients. Pooled 30-day and 90-day venous thromboembolism incidence rates after benign colorectal resection were 284 (95% CI, 224-360) and 84 (95% CI, 33-218) per 1000 person-years. Stratified by admission type, 30-day venous thromboembolism incidence rates per 1000 person-years were 532 (95% CI, 447-664) for emergency resections and 213 (95% CI, 100-453) for elective colorectal resections. Thirty-day venous thromboembolism incidence rates per 1000 person-years after colectomy were 485 (95% CI, 411-573) for patients with ulcerative colitis, 228 (95% CI, 181-288) for patients with Crohn's disease, and 208 (95% CI, 152-288) for patients with diverticulitis.
    Limitations: High degree of heterogeneity was observed within most meta-analyses attributable to large cohorts minimizing within-study variance.
    Conclusions: Venous thromboembolism rates remain high up to 90 days after colectomy and vary by indication for surgery. Emergency resections compared to elective benign resections have higher rates of postoperative venous thromboembolism. Further studies reporting venous thromboembolism rates by type of benign disease need to stratify rates by admission type to more accurately define venous thromboembolism risk after colectomy.
    Registration no: CRD42021265438.
    MeSH term(s) Humans ; Adolescent ; Adult ; Venous Thromboembolism/epidemiology ; Venous Thromboembolism/etiology ; Venous Thromboembolism/prevention & control ; Retrospective Studies ; Colorectal Surgery ; Risk Factors ; Colectomy/adverse effects ; Colorectal Neoplasms/surgery ; Colorectal Neoplasms/complications ; Postoperative Complications/etiology
    Language English
    Publishing date 2023-04-24
    Publishing country United States
    Document type Meta-Analysis ; Systematic Review ; Journal Article
    ZDB-ID 212581-x
    ISSN 1530-0358 ; 0012-3706
    ISSN (online) 1530-0358
    ISSN 0012-3706
    DOI 10.1097/DCR.0000000000002915
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  3. Article ; Online: Venous thromboembolism following colectomy for diverticular disease: an English population-based cohort study.

    Yapa, Anjali K D S / Humes, David J / Crooks, Colin J / Lewis-Lloyd, Christopher A

    Langenbeck's archives of surgery

    2023  Volume 408, Issue 1, Page(s) 203

    Abstract: Aim: This study reports venous thromboembolism (VTE) rates following colectomy for diverticular disease to explore the magnitude of postoperative VTE risk in this population and identify high risk subgroups of interest.: Method: English national ... ...

    Abstract Aim: This study reports venous thromboembolism (VTE) rates following colectomy for diverticular disease to explore the magnitude of postoperative VTE risk in this population and identify high risk subgroups of interest.
    Method: English national cohort study of colectomy patients between 2000 and 2019 using linked primary (Clinical Practice Research Datalink) and secondary (Hospital Episode Statistics) care data. Stratified by admission type, absolute incidence rates (IR) per 1000 person-years and adjusted incidence rate ratios (aIRR) were calculated for 30- and 90-day post-colectomy VTE.
    Results: Of 24,394 patients who underwent colectomy for diverticular disease, over half (57.39%) were emergency procedures with the highest VTE rate seen in patients ≥70-years-old (IR 142.27 per 1000 person-years, 95%CI 118.32-171.08) at 30 days post colectomy. Emergency resections (IR 135.18 per 1000 person-years, 95%CI 115.72-157.91) had double the risk (aIRR 2.07, 95%CI 1.47-2.90) of developing a VTE at 30 days following colectomy compared to elective resections (IR 51.14 per 1000 person-years, 95%CI 38.30-68.27). Minimally invasive surgery (MIS) was shown to be associated with a 64% reduction in VTE risk (aIRR 0.36 95%CI 0.20-0.65) compared to open colectomies at 30 days post-op. At 90 days following emergency resections, VTE risks remained raised compared to elective colectomies.
    Conclusion: Following emergency colectomy for diverticular disease, the VTE risk is approximately double compared to elective resections at 30 days while MIS was found to be associated with a reduced risk of VTE. This suggests advancements in postoperative VTE prevention in diverticular disease patients should focus on those undergoing emergency colectomies.
    MeSH term(s) Humans ; Aged ; Venous Thromboembolism/epidemiology ; Venous Thromboembolism/etiology ; Venous Thromboembolism/prevention & control ; Cohort Studies ; Risk Factors ; Postoperative Complications/epidemiology ; Postoperative Complications/etiology ; Colectomy/adverse effects ; Colectomy/methods ; Diverticular Diseases/epidemiology ; Diverticular Diseases/surgery ; Diverticular Diseases/complications
    Language English
    Publishing date 2023-05-22
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1423681-3
    ISSN 1435-2451 ; 1435-2443
    ISSN (online) 1435-2451
    ISSN 1435-2443
    DOI 10.1007/s00423-023-02920-6
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  4. Article ; Online: The Duration and Magnitude of Postdischarge Venous Thromboembolism Following Colectomy.

    Lewis-Lloyd, Christopher A / Humes, David J / West, Joe / Peacock, Oliver / Crooks, Colin J

    Annals of surgery

    2022  Volume 276, Issue 3, Page(s) e177–e184

    Abstract: Objective: To assess the impact of current guidelines by reporting weekly postoperative postdischarge venous thromboembolism (VTE) rates.: Summary background data: Disparity exists between the postoperative thromboprophylaxis duration colectomy ... ...

    Abstract Objective: To assess the impact of current guidelines by reporting weekly postoperative postdischarge venous thromboembolism (VTE) rates.
    Summary background data: Disparity exists between the postoperative thromboprophylaxis duration colectomy patients receive based on surgical indication, where malignant resections routinely receive 28 days extended thromboprophylaxis into the postdischarge period and benign resections do not.
    Methods: English national cohort study of colectomy patients between 2010 and 2019 using linked primary (Clinical Practice Research Datalink) and secondary (Hospital Episode Statistics) care data. Stratified by admission type and surgical indication, absolute incidence rates (IRs) per 1000 person-years and adjusted incidence rate ratios (aIRRs) for postdischarge VTE were calculated for the first 4 weeks following resection and postdischarge VTE IRs for each postoperative week to 12 weeks postoperative.
    Results: Of 104,744 patients, 663 (0.63%) developed postdischarge VTE within 12 weeks after colectomy. Postdischarge VTE IRs per 1000 person-years for the first 4 weeks postoperative were low following elective resections [benign: 20.66, 95% confidence interval (CI): 13.73-31.08; malignant: 28.95, 95% CI: 23.09-36.31] and higher following emergency resections (benign: 47.31, 95% CI: 34.43-65.02; malignant: 107.18, 95% CI: 78.62-146.12). Compared with elective malignant resections, there was no difference in postdischarge VTE risk within 4 weeks following elective benign colectomy (aIRR=0.92, 95% CI: 0.56-1.50). However, postdischarge VTE risks within 4 weeks following emergency resections were significantly greater for benign (aIRR=1.89, 95% CI: 1.22-2.94) and malignant (aIRR=3.13, 95% CI: 2.06-4.76) indications compared with elective malignant colectomy.
    Conclusions: Postdischarge VTE risk within 4 weeks of colectomy is ∼2-fold greater following emergency benign compared with elective malignant resections, suggesting emergency benign colectomy patients may benefit from extended VTE prophylaxis.
    MeSH term(s) Aftercare ; Anticoagulants/therapeutic use ; Cohort Studies ; Colectomy/adverse effects ; Humans ; Patient Discharge ; Postoperative Complications/epidemiology ; Postoperative Complications/etiology ; Risk Factors ; Venous Thromboembolism/epidemiology ; Venous Thromboembolism/etiology ; Venous Thromboembolism/prevention & control
    Chemical Substances Anticoagulants
    Language English
    Publishing date 2022-07-19
    Publishing country United States
    Document type Journal Article
    ZDB-ID 340-2
    ISSN 1528-1140 ; 0003-4932
    ISSN (online) 1528-1140
    ISSN 0003-4932
    DOI 10.1097/SLA.0000000000005563
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  5. Article ; Online: Time trends in the incidence rates of venous thromboembolism following colorectal resection by indication and operative technique.

    Lewis-Lloyd, Christopher A / Crooks, Colin J / West, Joe / Peacock, Oliver / Humes, David J

    Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland

    2022  Volume 24, Issue 11, Page(s) 1405–1415

    Abstract: Aim: It is important for patient safety to assess if international changes in perioperative care, such as the focus on venous thromboembolism (VTE) prevention and minimally invasive surgery, have reduced the high post colectomy VTE risks previously ... ...

    Abstract Aim: It is important for patient safety to assess if international changes in perioperative care, such as the focus on venous thromboembolism (VTE) prevention and minimally invasive surgery, have reduced the high post colectomy VTE risks previously reported. This study assesses the impact of changes in perioperative care on VTE risk following colorectal resection.
    Method: This was a population-based cohort study of colectomy patients in England between 2000 and 2019 using a national database of linked primary (Clinical Practice Research Datalink) and secondary (Hospital Episode Statistics) care data. Within 30 days following colectomy, absolute VTE rates per 1000 person-years and adjusted incidence rate ratios (aIRRs) using Poisson regression for the per year change in VTE risk were calculated.
    Results: Of 183 791 patients, 1337 (0.73%) developed 30-day postoperative VTE. Overall, VTE rates reduced over the 20-year study period following elective (relative risk reduction 31.25%, 95% CI 5.69%-49.88%) but not emergency surgery. Similarly, yearly changes in VTE risk reduced following minimally invasive resections (elective benign, aIRR 0.93, 95% CI 0.90-0.97; elective malignant, aIRR 0.94, 95% CI 0.91-0.98; and emergency benign, aIRR 0.96, 95% CI 0.92-1.00) but not following open resections. There was a per year VTE risk increase following open emergency malignant resections (aIRR 1.02, 95% CI 1.00-1.04).
    Conclusion: Yearly VTE risks reduced following minimally invasive surgeries in the elective setting yet in contrast were static following open elective colectomies, and following emergency malignant resections increased by almost 2% per year. To reduce VTE risk, further efforts are required to implement advances in surgical care for those having emergency and/or open surgery.
    MeSH term(s) Humans ; Venous Thromboembolism/epidemiology ; Venous Thromboembolism/etiology ; Venous Thromboembolism/prevention & control ; Incidence ; Cohort Studies ; Risk Factors ; Postoperative Complications/epidemiology ; Postoperative Complications/etiology ; Colorectal Neoplasms/surgery ; Colorectal Neoplasms/complications
    Language English
    Publishing date 2022-07-19
    Publishing country England
    Document type Journal Article
    ZDB-ID 1440017-0
    ISSN 1463-1318 ; 1462-8910
    ISSN (online) 1463-1318
    ISSN 1462-8910
    DOI 10.1111/codi.16233
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  6. Article ; Online: Risk of Postoperative Venous Thromboembolism After Surgery for Colorectal Malignancy: A Systematic Review and Meta-analysis.

    Lewis-Lloyd, Christopher A / Pettitt, Eleanor M / Adiamah, Alfred / Crooks, Colin J / Humes, David J

    Diseases of the colon and rectum

    2021  Volume 64, Issue 4, Page(s) 484–496

    Abstract: Background: Colorectal cancer has the second highest mortality of any malignancy, and venous thromboembolism is a major postoperative complication.: Objective: This study aimed to determine the variation in incidence of venous thromboembolism after ... ...

    Abstract Background: Colorectal cancer has the second highest mortality of any malignancy, and venous thromboembolism is a major postoperative complication.
    Objective: This study aimed to determine the variation in incidence of venous thromboembolism after colorectal cancer resection.
    Data sources: Following PRISMA and MOOSE guidelines (PROSPERO, ID: CRD42019148828), Medline and Embase databases were searched from database inception to August 2019 including 3 other registered medical databases.
    Study selection: Two blinded reviewers screened studies with a third reviewer adjudicating any discordance. Eligibility criteria: Patients post colorectal cancer resection aged ≥18 years. Exclusion criteria: Patients undergoing completely endoscopic surgery and those without cancer resection. Selected studies were randomized controlled trials and population-based database/registry cohorts.
    Main outcome measures: Thirty- and 90-day incidence rates of venous thromboembolism per 1000 person-years following colorectal cancer surgery.
    Results: Of 6441 studies retrieved, 28 met inclusion criteria. Eighteen were available for meta-analysis reporting on 539,390 patients. Pooled 30- and 90-day incidence rates of venous thromboembolism following resection were 195 (95% CI, 148-256, I2 99.1%) and 91 (95% CI, 56-146, I2 99.2%) per 1000 person-years. When separated by United Nations Geoscheme Areas, differences in the incidence of postoperative venous thromboembolism were observed with 30- and 90-day pooled rates per 1000 person-years of 284 (95% CI, 238-339) and 121 (95% CI, 82-179) in the Americas and 71 (95% CI, 60-84) and 57 (95% CI, 47-69) in Europe.
    Limitations: A high degree of heterogeneity was observed within meta-analyses attributable to large cohorts minimizing within-study variance.
    Conclusion: The incidence of venous thromboembolism following colorectal cancer resection is high and remains so more than 1 month after surgery. There is clear disparity between the incidence of venous thromboembolism after colorectal cancer surgery by global region. More robust population studies are required to further investigate these geographical differences to determine valid regional incidence rates of venous thromboembolism following colorectal cancer resection.
    MeSH term(s) Adult ; Colorectal Neoplasms/mortality ; Colorectal Neoplasms/surgery ; Databases, Factual ; Geography/trends ; Humans ; Incidence ; Observational Studies as Topic ; Postoperative Complications/epidemiology ; Postoperative Complications/etiology ; Postoperative Complications/prevention & control ; Pulmonary Embolism/diagnosis ; Pulmonary Embolism/epidemiology ; Pulmonary Embolism/etiology ; Pulmonary Embolism/prevention & control ; Randomized Controlled Trials as Topic ; Risk Assessment ; Venous Thromboembolism/diagnosis ; Venous Thromboembolism/epidemiology ; Venous Thromboembolism/etiology ; Venous Thromboembolism/prevention & control ; Venous Thrombosis/diagnosis ; Venous Thrombosis/epidemiology ; Venous Thrombosis/etiology ; Venous Thrombosis/prevention & control
    Language English
    Publishing date 2021-01-11
    Publishing country United States
    Document type Journal Article ; Meta-Analysis ; Systematic Review
    ZDB-ID 212581-x
    ISSN 1530-0358 ; 0012-3706
    ISSN (online) 1530-0358
    ISSN 0012-3706
    DOI 10.1097/DCR.0000000000001946
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  7. Article ; Online: Discovery of a polymer resistant to bacterial biofilm, swarming, and encrustation.

    Dubern, Jean-Frédéric / Hook, Andrew L / Carabelli, Alessandro M / Chang, Chien-Yi / Lewis-Lloyd, Christopher A / Luckett, Jeni C / Burroughs, Laurence / Dundas, Adam A / Humes, David J / Irvine, Derek J / Alexander, Morgan R / Williams, Paul

    Science advances

    2023  Volume 9, Issue 4, Page(s) eadd7474

    Abstract: Innovative approaches to prevent catheter-associated urinary tract infections (CAUTIs) are urgently required. Here, we describe the discovery of an acrylate copolymer capable of resisting single- and multispecies bacterial biofilm formation, swarming, ... ...

    Abstract Innovative approaches to prevent catheter-associated urinary tract infections (CAUTIs) are urgently required. Here, we describe the discovery of an acrylate copolymer capable of resisting single- and multispecies bacterial biofilm formation, swarming, encrustation, and host protein deposition, which are major challenges associated with preventing CAUTIs. After screening ~400 acrylate polymers, poly(
    MeSH term(s) Humans ; Polymers ; Urinary Catheterization ; Biofilms ; Urinary Catheters/microbiology ; Urinary Tract Infections/prevention & control ; Urinary Tract Infections/microbiology ; Bacteria ; Escherichia coli
    Chemical Substances Polymers
    Language English
    Publishing date 2023-01-25
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2810933-8
    ISSN 2375-2548 ; 2375-2548
    ISSN (online) 2375-2548
    ISSN 2375-2548
    DOI 10.1126/sciadv.add7474
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