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1.
Can J Surg ; 66(1): E48-E51, 2023.
Article in English | MEDLINE | ID: mdl-36731913

ABSTRACT

The comparative performance of synthetic and biologic meshes in complex and contaminated abdominal wall repairs remains controversial. Though biologic meshes are generally favoured in contaminated fields, this practice is based on limited data. Standard dictum regarding infected mesh is to either explant it early or pursue aggressive conservation measures depending on mesh position and composition. Explantation is typically morbid, leaving the patient with recurrent hernias and few reconstructive options. We report a case in which a hernia repaired with synthetic mesh recurred and was reconstructed with underlay biologic mesh. Delayed wound hematoma occurred after initiating anticoagulation for late postoperative pulmonary embolism, which became chronically infected. After multiple failed attempts at medical and interventional salvage of the mesh infection, the patient underwent selective explantation of synthetic mesh with conservation of the underlying biological mesh. She recovered completely without recurrent abdominal wall failure at long-term follow-up. We suggest the "salvageable" characteristics of biologic meshes may allow conservation, rather than explantation, in select cases of infection.


Subject(s)
Abdominal Wall , Hernia, Ventral , Herniorrhaphy , Surgical Mesh , Female , Humans , Abdominal Wall/surgery , Biological Products , Hernia, Ventral/surgery , Herniorrhaphy/adverse effects , Recurrence , Surgical Mesh/adverse effects , Surgical Wound Infection/etiology , Surgical Wound Infection/surgery , Treatment Outcome
2.
Can J Surg ; 65(4): E541-E549, 2022.
Article in English | MEDLINE | ID: mdl-35961662

ABSTRACT

BACKGROUND: Complex abdominal wall reconstruction technique remains controversial. The use of biologic mesh products is also debated in active infection, sepsis prophylaxis and high-risk patients. Differences in biologic mesh technology and cost remain significant. We aimed to compare the efficacy of 2 commonly used biologic meshes in regards to hernia recurrence at 1 year. METHODS: This study was a parallel, dual-arm, double-blind randomized controlled trial involving adult patients undergoing complex abdominal wall reconstruction with a biologic mesh at a quaternary care institution (2017-2020). Patients were randomly assigned to receive Permacol (cross-linked) compared with Strattice (not crosslinked). The main outcome measure was hernia recurrence at 1 or more years following the index repair. RESULTS: We included 94 patients randomized to undergo reconstruction with 1 of 2 commonly used biologic mesh products (mean age 59.4 yr, standard deviation [SD] 9.9; 51% female; body mass index 32.9, SD 6.8). We found no significant differences between the groups (patient comorbidities, hernia recurrence risk factors, hernia size or infection profiles). Hernia recurrence rates (15%) were similar between groups (median 783 days of follow up, interquartile range 119). We found there was significantly less of a need for a component separation technique in the Strattice group (69% v. 87%). All other secondary outcome measures were equivalent between study arms. Multivariate analysis identified hepatic transplantation (odds ratio [OR] 1.94, 95% confidence intervals [CI] 0.33-4.41), active abdominal wall infection (OR 2.01, 95% CI 0.50-7.01), and more than 1 previous hernia repair (OR 2.68, 95% CI 0.41-5.99) as risk factors for subsequent hernia recurrence; however, there was no difference in recurrence factors between patient study groups. CONCLUSION: Given similar clinical performance between the 2 most commonly used biologic mesh products, the most cost effective mesh should be used in cost-conscious health care systems.


Subject(s)
Abdominal Wall , Biological Products , Hernia, Ventral , Abdominal Wall/surgery , Adult , Female , Hernia, Ventral/prevention & control , Hernia, Ventral/surgery , Herniorrhaphy/adverse effects , Herniorrhaphy/methods , Humans , Male , Middle Aged , Recurrence , Retrospective Studies , Surgical Mesh , Treatment Outcome
3.
Can J Surg ; 63(3): E302-E305, 2020 05 25.
Article in English | MEDLINE | ID: mdl-32449850

ABSTRACT

Summary: Surgical programs are facing major and fluctuating changes to the resident workforce because of decreased elective volumes and high exposure risk during the coronavirus disease 2019 pandemic. Rapid restructuring of a residency program to protect its workforce while maintaining educational value is imperative. We describe the experience of the Division of General Surgery at the University of Ottawa in Ontario, Canada. The residency program was restructured to feature alternating "on" and "off" weeks, maintaining a healthy resident cohort in case of exposure. Teams were restructured and subdivided to maximize physical distancing and minimize resident exposure to pathogens. Educational initiatives doubled, with virtual sessions targeting every resident year and incorporating intraoperative teaching. The divisional research day and oral exams proceeded uninterrupted, virtually. A small leadership team enabled fast and flexible restructuring of a system for patient care while prioritizing resident safety and maintaining a commitment to resident education in a pandemic.


Subject(s)
Betacoronavirus/pathogenicity , Coronavirus Infections/prevention & control , General Surgery/education , Infection Control/organization & administration , Internship and Residency/organization & administration , Pandemics/prevention & control , Pneumonia, Viral/prevention & control , COVID-19 , Coronavirus Infections/transmission , Coronavirus Infections/virology , Educational Measurement , General Surgery/organization & administration , General Surgery/statistics & numerical data , Health Workforce/organization & administration , Health Workforce/statistics & numerical data , Humans , Infection Control/statistics & numerical data , Internship and Residency/statistics & numerical data , Medical Oncology/education , Medical Oncology/organization & administration , Medical Oncology/statistics & numerical data , Ontario/epidemiology , Patient Safety , Personnel Staffing and Scheduling/organization & administration , Personnel Staffing and Scheduling/statistics & numerical data , Pneumonia, Viral/transmission , Pneumonia, Viral/virology , SARS-CoV-2 , Universities/organization & administration , Universities/statistics & numerical data
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