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  • 1
    In: European Journal of Trauma and Emergency Surgery, Springer Science and Business Media LLC, Vol. 49, No. 1 ( 2023-02), p. 57-67
    Abstract: The COVID-19 (SARS-CoV-2) pandemic drove acute care surgeons to pivot from long established practice patterns. Early safety concerns regarding increased postoperative complication risk in those with active COVID infection promoted antibiotic-driven non-operative therapy for select conditions ahead of an evidence-base. Our study assesses whether active or recent SARS-CoV-2 positivity increases hospital length of stay (LOS) or postoperative complications following appendectomy. Methods Data were derived from the prospective multi-institutional observational SnapAppy cohort study. This preplanned data analysis assessed consecutive patients aged ≥ 15 years who underwent appendectomy for appendicitis (November 2020–May 2021). Patients were categorized based on SARS-CoV-2 seropositivity: no infection, active infection, and prior infection. Appendectomy method, LOS, and complications were abstracted. The association between SARS-CoV-2 seropositivity and complications was determined using Poisson regression, while the association with LOS was calculated using a quantile regression model. Results Appendectomy for acute appendicitis was performed in 4047 patients during the second and third European COVID waves. The majority were SARS-CoV-2 uninfected (3861, 95.4%), while 70 (1.7%) were acutely SARS-CoV-2 positive, and 116 (2.8%) reported prior SARS-CoV-2 infection. After confounder adjustment, there was no statistically significant association between SARS-CoV-2 seropositivity and LOS, any complication, or severe complications. Conclusion During sequential SARS-CoV-2 infection waves, neither active nor prior SARS-CoV-2 infection was associated with prolonged hospital LOS or postoperative complication. Despite early concerns regarding postoperative safety and outcome during active SARS-CoV-2 infection, no such association was noted for those with appendicitis who underwent operative management.
    Type of Medium: Online Resource
    ISSN: 1863-9933 , 1863-9941
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2023
    detail.hit.zdb_id: 2276432-X
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  • 2
    Online Resource
    Online Resource
    Ovid Technologies (Wolters Kluwer Health) ; 2022
    In:  Diseases of the Colon & Rectum Vol. 65, No. 4 ( 2022-04), p. 559-565
    In: Diseases of the Colon & Rectum, Ovid Technologies (Wolters Kluwer Health), Vol. 65, No. 4 ( 2022-04), p. 559-565
    Abstract: There have been conflicting reports regarding a protective effect of statin therapy after colon cancer surgery. OBJECTIVE: This study aimed to evaluate the association between statin therapy and the postoperative mortality following elective colon cancer surgery. DESIGN: This population-based cohort study is a retrospective analysis of prospectively collected data from the Swedish Colorectal Cancer Register. SETTINGS: Patient inclusion was achieved through a nationwide register. PATIENTS: All adult patients undergoing elective surgery for colon cancer between January 2007 and September 2016 were included in the study. Patients who had received and collected a prescription for statins pre- and postoperatively were allocated to the statin-positive cohort. MAIN OUTCOME MEASURES: The primary and secondary outcomes of interest were 90-day all-cause mortality and 90-day cause-specific mortality. RESULTS: A total of 22,337 patients underwent elective surgery for colon cancer during the study period, of whom 6,494 (29%) were classified as statin users. Statin users displayed a significant survival benefit despite being older, having a higher comorbidity burden, and being less fit for surgery. Multivariate analysis illustrated significant reductions in the incidence risk for 90-day all-cause mortality (Incidence Rate Ratio = 0.12, p 〈 0.001) as well as 90-day cause-specific deaths due to sepsis, due to multiorgan failure, or resulting from a cardiovascular and respiratory origin. LIMITATIONS: The limitations of this study include its observational retrospective design, restricting the ability to perform standardized follow-up of statin therapy. Confounding from other uncontrolled variables cannot be excluded. CONCLUSIONS: Statin users had a significant postoperative benefit regarding short-term mortality following elective colon cancer surgery in the current study; however, further research is needed to ascertain whether this relationship is causal. See Video Abstract at http://links.lww.com/DCR/B738. LA TERAPIA CON ESTATINAS SE ASOCIA CON UNA DISMINUCIÓN DE LA MORTALIDAD POSOPERATORIA A LOS 90 DÍAS DESPUÉS DE LA CIRUGÍA DE CÁNCER DE COLON ANTECEDENTES: Ha habido informes contradictorios con respecto al efecto protector de la terapia con estatinas después de la cirugía de cáncer de colon. OBJETIVO: Este estudio tuvo como objetivo evaluar la asociación entre la terapia con estatinas y la mortalidad postoperatoria después de la cirugía electiva por cáncer de colon. DISEÑO: Este estudio de cohorte poblacional es un análisis retrospectivo de datos recopilados prospectivamente del Registro Sueco de Cáncer Colorrectal. AJUSTES: La inclusión de pacientes se logró mediante la inclusión a través de un registro a nivel nacional. PACIENTES: Se incluyeron en el estudio todos los pacientes adultos sometidos a cirugía electiva por cáncer de colon en el período de enero de 2007 y septiembre de 2016. Los pacientes que habían recibido y recogido una receta de estatinas antes y después de la operación fueron asignados a la cohorte positiva de estatinas. PRINCIPALES MEDIDAS DE DESENLACES: Los desenlaces primarios y secundarios de interés fueron la mortalidad por cualquier causa a los 90 días y la mortalidad por causas específicas a los 90 días. RESULTADOS: Un total de 22.337 pacientes se sometieron a cirugía electiva por cáncer de colon durante el período de estudio, de los cuales 6.494 (29%) se clasificaron como usuarios de estatinas. Los usuarios de estatinas mostraron un beneficio significativo en la supervivencia a pesar de ser mayores, de tener una mayor carga de comorbilidad y de estar menos acondicionado para la cirugía. El análisis multivariado ilustró reducciones significativas en el riesgo de incidencia de mortalidad por cualquier causa a 90 días (índice de tasa de incidencia = 0,12, p 〈 0,001), así como muertes específicas ena 90 días debidas a sepsis, falla multiorgánica o dea enfermedades de origen cardiovascular y respiratorio. LIMITACIONES: Las limitaciones de este estudio incluyen su diseño observacional retrospectivo, que restringe la capacidad de realizar un seguimiento estandarizado de la terapia con estatinas. No se puede excluir confusión a partir de otras variables no controladas. CONCLUSIONES: Los usuarios de estatinas tuvieron un beneficio posoperatorio significativo con respecto a la mortalidad a corto plazo después de cirugía electiva por cáncer de colon en el estudio actual, sin embargo, se necesita más investigación para confirmar si eexiste una relación es causal. Consulte Video Resumen en http://links.lww.com/DCR/B738
    Type of Medium: Online Resource
    ISSN: 0012-3706
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2022
    detail.hit.zdb_id: 2046914-7
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  • 3
    In: Cancers, MDPI AG, Vol. 13, No. 17 ( 2021-08-25), p. 4288-
    Abstract: Background: The current study aimed to assess the association between regular statin therapy and postoperative long-term all-cause and cancer-specific mortality following curative surgery for rectal cancer. The hypothesis was that statin exposure would be associated with better survival. Methods: Patients with stage I–III rectal cancer undergoing surgical resection with curative intent were extracted from the nationwide, prospectively collected, Swedish Colorectal Cancer Register (SCRCR) for the period from January 2007 and October 2016. Patients were defined as having ongoing statin therapy if they had filled a statin prescription within 12 months before and after surgery. Cox proportional hazards models were employed to investigate the association between statin use and postoperative five-year all-cause and cancer-specific mortality. Results: The cohort consisted of 10,743 patients who underwent a surgical resection with curative intent for rectal cancer. Twenty-six percent (n = 2797) were classified as having ongoing statin therapy. Statin users had a considerably decreased risk of all-cause (adjusted hazard ratio (HR) 0.66, 95% confidence interval (CI): 0.60–0.73, p 〈 0.001) and cancer-specific (adjusted HR 0.60, 95% CI: 0.47–0.75, p 〈 0.001) mortality up to five years following surgery. Conclusions: Statin use was associated with a lower risk of both all-cause and rectal cancer-specific mortality following curative surgical resections for rectal cancer. The findings should be confirmed in future prospective clinical trials.
    Type of Medium: Online Resource
    ISSN: 2072-6694
    Language: English
    Publisher: MDPI AG
    Publication Date: 2021
    detail.hit.zdb_id: 2527080-1
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  • 4
    In: European Journal of Trauma and Emergency Surgery, Springer Science and Business Media LLC, Vol. 49, No. 1 ( 2023-02), p. 33-44
    Type of Medium: Online Resource
    ISSN: 1863-9933 , 1863-9941
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2023
    detail.hit.zdb_id: 2276432-X
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  • 5
    In: European Journal of Trauma and Emergency Surgery, Springer Science and Business Media LLC, Vol. 49, No. 1 ( 2023-02), p. 45-56
    Abstract: Acute appendicitis is a common surgical emergency, and the standard approach to diagnosis and management has been codified in several practice guidelines. Adherence to these guidelines provides insight into independent surgical practice patterns and institutional resource constraints as impediments to best practice. We explored data from the recent ESTES SnapAppy observational cohort study to determine guideline compliance in contemporary practice to identify opportunities to close evidence-to-practice gaps. Methods We undertook a preplanned analysis of the ESTES SnapAppy observational cohort study, identifying, at a patient level, congruence with, or deviation from WSES Jerusalem guidelines for the diagnosis and management of acute appendicitis and the Surviving Sepsis Campaign in our cohort. Compliance was then correlated with the incidence of postoperative complications. Results Four thousand six hundred and thirteen (4613) consecutive adult and adolescent patients with acute appendicitis were followed from date of admission (November 1, 2020, and May 28, 2021) for 90 days. Patient-level compliance with guideline elements allowed patients to be grouped into those with full compliance (all 5 elements: 13%), partial compliance (1–4 elements: 87%) or noncompliance (0 elements: 0.2%). We identified an excess postoperative complication rate in patients who received noncompliant and partially compliant care, compared with those who received fully guideline-compliant care (36% and 16%, versus 7.3%, p   〈  0.001). Conclusions The observed diagnostic and treatment practices of the participating institutions displayed variability in compliance with key recommendations from existing guidelines. In general, practice was congruent with recommendations for preoperative antibiotic surgical site infection prophylaxis administration, time to surgery, and operative approach. However, there remains opportunities for improvement in the choice of diagnostic imaging modality, postoperative antibiotic stewardship to timely discontinue prophylactic antibiotics, and the implementation of ambulatory treatment pathways for uncomplicated appendicitis in the healthy young adult.
    Type of Medium: Online Resource
    ISSN: 1863-9933 , 1863-9941
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2023
    detail.hit.zdb_id: 2276432-X
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  • 6
    In: Journal of the American College of Surgeons, Ovid Technologies (Wolters Kluwer Health), Vol. 235, No. 5 ( 2022-11), p. S24-S24
    Type of Medium: Online Resource
    ISSN: 1072-7515
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2022
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  • 7
    In: Scandinavian Journal of Surgery, SAGE Publications, Vol. 111, No. 1 ( 2022-03), p. 145749692110375-
    Abstract: Despite improvements in the perioperative care during the last decades for oncologic colon resection, there is still a substantial risk for postoperative complications and mortality. Opportunities exist for improvement in preoperative risk stratification in this patient population. We hypothesize that the Revised Cardiac Risk Index, a user-friendly tool, could better identify patients with high postoperative mortality risks. Methods: A retrospective analysis of operated patients between the years 2007 and 2017 was undertaken, using the prospectively recorded Swedish Colorectal Cancer Registry, which has a 99.5% national coverage for all cases of colon cancer. Patients were cross-referenced with the Swedish National Board of Health and Welfare dataset, a government registry of mortality and comorbidity data. Revised Cardiac Risk Index (RCRI) scores were calculated for each patient and stratified into four groups (RCRI 1, 2, 3, ⩾ 4). A Poisson regression model with robust standard errors of variance was employed to correlate the 90-day postoperative survival with each level of the Revised Cardiac Risk Index. Results: A total of 24,198 patients met the study inclusion criteria. 90-day postoperative mortality increased from 2.4% in patients with RCRI 1 to 10.1% in patients with RCRI ⩾ 4 ( p 〈 0.001). Adjusted 90-day postoperative mortality increased linearly with an increasing RCRI, where an RCRI of 2, 3, and ≥ 4 respectively led to a 46%, 80%, and 167% increased risk of mortality compared to RCRI 1 ( p 〈 0.001). Conclusions: A strong association between an increasing Revised Cardiac Risk Index score and increased 90-day postoperative mortality risk was detected. The Revised Cardiac Risk Index may facilitate risk stratification of patients undergoing elective colon cancer surgery.
    Type of Medium: Online Resource
    ISSN: 1457-4969 , 1799-7267
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2022
    detail.hit.zdb_id: 2486211-3
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  • 8
    Online Resource
    Online Resource
    Springer Science and Business Media LLC ; 2020
    In:  BMC Medical Informatics and Decision Making Vol. 20, No. 1 ( 2020-12)
    In: BMC Medical Informatics and Decision Making, Springer Science and Business Media LLC, Vol. 20, No. 1 ( 2020-12)
    Abstract: Geriatric patients frequently undergo emergency general surgery and accrue a greater risk of postoperative complications and fatal outcomes than the general population. It is highly relevant to develop the most appropriate care measures and to guide patient-centered decision-making around end-of-life care. Portsmouth - Physiological and Operative Severity Score for the enumeration of Mortality and morbidity (P-POSSUM) has been used to predict mortality in patients undergoing different types of surgery. In the present study, we aimed to evaluate the relative importance of the P-POSSUM score for predicting 90-day mortality in the elderly subjected to emergency laparotomy from statistical aspects. Methods One hundred and fifty-seven geriatric patients aged ≥65 years undergoing emergency laparotomy between January 1st, 2015 and December 31st, 2016 were included in the study. Mortality and 27 other patient characteristics were retrieved from the computerized records of Örebro University Hospital in Örebro, Sweden. Two supervised classification machine methods (logistic regression and random forest) were used to predict the 90-day mortality risk. Three scalers (Standard scaler, Robust scaler and Min-Max scaler) were used for variable engineering. The performance of the models was evaluated using accuracy, sensitivity, specificity and area under the receiver operating characteristic curve (AUC). Importance of the predictors were evaluated using permutation variable importance and Gini importance. Results The mean age of the included patients was 75.4 years (standard deviation =7.3 years) and the 90-day mortality rate was 29.3%. The most common indication for surgery was bowel obstruction occurring in 92 (58.6%) patients. Types of post-operative complications ranged between 7.0–36.9% with infection being the most common type. Both the logistic regression and random forest models showed satisfactory performance for predicting 90-day mortality risk in geriatric patients after emergency laparotomy, with AUCs of 0.88 and 0.93, respectively. Both models had an accuracy 〉  0.8 and a specificity ≥0.9. P-POSSUM had the greatest relative importance for predicting 90-day mortality in the logistic regression model and was the fifth important predictor in the random forest model. No notable change was found in sensitivity analysis using different variable engineering methods with P-POSSUM being among the five most accurate variables for mortality prediction. Conclusion P-POSSUM is important for predicting 90-day mortality after emergency laparotomy in geriatric patients. The logistic regression model and random forest model may have an accuracy of 〉  0.8 and an AUC around 0.9 for predicting 90-day mortality. Further validation of the variables’ importance and the models’ robustness is needed by use of larger dataset.
    Type of Medium: Online Resource
    ISSN: 1472-6947
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2020
    detail.hit.zdb_id: 2046490-3
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  • 9
    In: Journal of Trauma and Acute Care Surgery, Ovid Technologies (Wolters Kluwer Health), Vol. 90, No. 2 ( 2021-2), p. 240-248
    Abstract: Clinical equipoise exists regarding optimal sequencing in the definitive management of choledocholithiasis. Our current study compares sequential biliary ductal clearance and cholecystectomy at an interval to simultaneous laparoendoscopic management on index admission in a pragmatic retrospective manner. METHODS Records were reviewed for all patients admitted between January 2015 and December 2018 to a Swedish and an Irish university hospital. Both hospitals differ in their practice patterns for definitive management of choledocholithiasis. At the Swedish hospital, patients with choledocholithiasis underwent laparoscopic cholecystectomy with intraoperative rendezvous endoscopic retrograde cholangiopancreatography (ERCP) at index admission (one stage). In contrast, interval day-case laparoscopic cholecystectomy followed index admission ERCP (two stages) at the Irish hospital. Clinical characteristics, postprocedural complications, and inpatient duration were compared between cohorts. RESULTS Three hundred fifty-seven patients underwent treatment for choledocholithiasis during the study period, of whom 222 (62.2%) underwent a one-stage procedure in Sweden, while 135 (37.8%) underwent treatment in two stages in Ireland. Patients in both cohorts were closely matched in terms of age, sex, and preoperative serum total bilirubin. Patients in the one-stage group exhibited a greater inflammatory reaction on index admission (peak C-reactive protein, 136 ± 137 vs. 95 ± 102 mg/L; p = 0.024), had higher incidence of comorbidities (age-adjusted Charlson Comorbidity Index, ≥3; 37.8% vs. 20.0%; p = 0.003), and overall were less fit for surgery (American Society of Anesthesiologists, ≥3; 11.7% vs. 3.7%; p 〈 0.001). Despite this, a significantly shorter mean time to definitive treatment, that is, cholecystectomy (3.1 ± 2.5 vs. 40.3 ± 127 days, p = 0.017), without excess morbidity, was seen in the one-stage compared with the two-stage cohort. Patients in the one-stage cohort experienced shorter mean postprocedure length of stay (3.0 ± 4.7 vs. 5.0 ± 4.6 days, p 〈 0.001) and total length of hospital stay (6.5 ± 4.6 vs. 9.0 ± 7.3 days, p = 0.002). The only significant difference in postoperative complications between the cohorts was urinary retention, with a higher incidence in the one-stage cohort (19% vs. 1%, p = 0.004). CONCLUSION Where appropriate expertise and logistics exist within developing models of acute care surgery worldwide, consideration should be given to index-admission laparoscopic cholecystectomy with intraoperative ERCP for the treatment of choledocholithiasis. Our data suggest that this strategy significantly shortens the time to definitive treatment and decreases total hospital stay without any excess in adverse outcomes. LEVEL OF EVIDENCE Therapeutic/Care Management Level IV.
    Type of Medium: Online Resource
    ISSN: 2163-0763 , 2163-0755
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2021
    detail.hit.zdb_id: 2651313-4
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  • 10
    In: Trauma Surgery & Acute Care Open, BMJ, Vol. 5, No. 1 ( 2020-07), p. e000533-
    Abstract: There is a significant postoperative mortality risk in patients subjected to surgery for hip fractures. Adrenergic hyperactivity induced by trauma and subsequent surgery is thought to be an important contributor. By downregulating the effect of circulating catecholamines the increased risk of postoperative mortality may be reduced. The aim of the current study is to assess the association between regular β-blocker therapy and postoperative mortality. Methods This cohort study used the prospectively collected Swedish National Quality Registry for hip fractures to identify all patients over 40 years of age subjected to surgery for hip fractures between 2013 and 2017 in Örebro County, Sweden. Patients with ongoing β-blocker therapy at the time of surgery were allocated to the β-blocker-positive cohort. The primary outcome of interest was 90-day postoperative mortality. Risk factors for 90-day mortality were evaluated using Poisson regression analysis. Results A total of 2443 patients were included in this cohort of whom 900 (36.8%) had ongoing β-blocker therapy before surgery. The β-blocker positive group was significantly older, less fit for surgery based on their American Society of Anesthesiologists classification and had a higher prevalence of comorbidities. A significant risk reduction in 90-day mortality was detected in patients receiving β-blockers (adjusted incidence rate ratio=0.82, 95% CI 0.68 to 0.98, p=0.03). Conclusions β-blocker therapy is associated with a significant reduction in 90-day postoperative mortality after hip fracture surgery. Further investigation into this finding is warranted. Level of evidence Therapeutic study, level III; prognostic study, level II.
    Type of Medium: Online Resource
    ISSN: 2397-5776
    Language: English
    Publisher: BMJ
    Publication Date: 2020
    detail.hit.zdb_id: 2856913-1
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