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Sökning: WFRF:(Bass Gary Alan 1979 ) > (2022)

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1.
  • Bass, Gary Alan, 1979-, et al. (författare)
  • Techniques for Mesoappendix Transection and Appendix Resection When Performing Acute Appendectomy : Insights from the SnapAppy Group Audit
  • 2022
  • Ingår i: Journal of the American College of Surgeons. - : Elsevier. - 1072-7515 .- 1879-1190. ; 235:5 Suppl. 2, s. S24-S24
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • Introduction: Surgically managed appendicitis exhibits great heterogeneity regarding mesoappendix transection, and appendix amputation from its base. It is unclear whether a particular surgical technique provides an outcome benefit or reduces complication.Methods: We undertook a pre-specified subgroup analysis of all patients who underwent laparoscopic appendectomy at index admission during the SnapAppy time-bound prospective multi-institutional non-randomized observational cohort study between November 1st 2020 - August 31st 2021 at 71 centers in 14 countries. Poisson regression models were employed for investigating the association between different surgical techniques for mesoappendix as well as stump management and postoperative complication while adjusting for potential confounding.Results: A total of 2,252 patients were included in the analyses of the technique used for dividing the mesoappendix, 69% by electrocautery and 31% by energy device. 3,729 patients were included for analyses of the management of the stump. The appendix was amputated using looped ligatures in 37%, staples in 38%, and clips in 25% of cases. After adjusting for confounders, the risk of postoperative complication was reduced by 42% when an energy device was used for handling the mesoappendix [adjusted incidence rate ratio (95% CI): 0.58 (0.41-0.82), p = 0.002]; however, no difference was detected between the techniques used for dividing the appendix at its base.Conclusion: Safe mesoappendix transection and appendix resection are accomplished using heterogeneous techniques. Energy devices are associated with a lower rate of overall complication while no differences were observed when comparing the techniques used for dividing the appendix base.
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2.
  • Ekestubbe, Lovisa, et al. (författare)
  • Pharmacological differences between beta-blockers and postoperative mortality following colon cancer surgery
  • 2022
  • Ingår i: Scientific Reports. - : Nature Publishing Group. - 2045-2322. ; 12:1
  • Tidskriftsartikel (refereegranskat)abstract
    • β-blocker therapy has been positively associated with improved survival in patients undergoing oncologic colorectal resection. This study investigates if the type of β-blocker used affects 90-day postoperative mortality following colon cancer surgery. The study was designed as a nationwide retrospective cohort study including all adult (≥ 18 years old) patients with ongoing β-blocker therapy who underwent elective and emergency colon cancer surgery in Sweden between January 1, 2007 and December 31, 2017. Patients were divided into four cohorts: metoprolol, atenolol, bisoprolol, and other beta-blockers. The primary outcome of interest was 90-day postoperative mortality. A Poisson regression model with robust standard errors was used, while adjusting for all clinically relevant variables, to determine the association between different β-blockers and 90-day postoperative mortality. A total of 9254 patients were included in the study. There was no clinically significant difference in crude 90-day postoperative mortality rate [n (%)] when comparing the four beta-blocker cohorts metoprolol, atenolol, bisoprolol and other beta-blockers. [97 (1.8%) vs. 28 (2.0%) vs. 29 (1.7%) vs. 11 (1.2%), p = 0.670]. This remained unchanged when adjusting for relevant covariates in the Poisson regression model. Compared to metoprolol, there was no statistically significant decrease in the risk of 90-day postoperative mortality with atenolol [adj. IRR (95% CI): 1.45 (0.89-2.37), p = 0.132], bisoprolol [adj. IRR (95% CI): 1.45 (0.89-2.37), p = 0.132], or other beta-blockers [adj. IRR (95% CI): 0.92 (0.46-1.85), p = 0.825]. In patients undergoing colon cancer surgery, the risk of 90-day postoperative mortality does not differ between the investigated types of β-adrenergic blocking agents.
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3.
  • Pourlotfi, Arvid, 1995-, et al. (författare)
  • Statin therapy and its association with long-term survival after colon cancer surgery
  • 2022
  • Ingår i: Surgery. - : Elsevier. - 0039-6060 .- 1532-7361. ; 171:4, s. 890-896
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: The current study aims to address the clinical equipoise regarding the association of ongoing statin therapy at time of surgery with long-term postoperative mortality rates after elective, curative, surgical resections of colon cancer by analyzing data from a large validated national register.METHODS: All adults with stage I to III colon cancer who underwent elective surgery with curative intent between January 2007 and October 2016 were retrieved from the Swedish Colorectal Cancer Register, a prospectively collected national register. Patients were identified as having ongoing statin therapy if they filled a prescription within 12 months pre- and postoperatively. Study outcomes included 5-year all-cause and cancer-specific postoperative mortality. To reduce the impact of confounding from covariates owing to nonrandomization, the inverse probability of treatment weighting method was used. Subsequently, Cox proportional hazards models were fitted to the weighted cohorts.RESULTS: In total, 19,118 patients underwent elective surgery for colon cancer in the specified period, of whom 31% (5,896) had ongoing statin therapy. Despite being older, having a higher preoperative risk, and having more comorbidities, patients with statin therapy had a higher postoperative survival. After inverse probability of treatment weighting, patients with statin therapy displayed a significantly lower mortality risk up to 5 years after surgery for both all-cause (hazard ratio 0.68, 95% confidence interval 0.63-0.74, P < .001) and cancer-specific mortality (hazard ratio 0.76, 95% confidence interval 0.66-0.89, P < .001).CONCLUSION: The results of this study indicate that statin therapy is associated with a sustained reduction in all-cause and cancer-specific mortality up to 5 years after elective colon cancer surgery. The findings warrant validation in future prospective clinical trials.
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4.
  • Pourlotfi, Arvid, 1995-, et al. (författare)
  • Statin Therapy is Associated with Decreased 90-day Postoperative Mortality After Colon Cancer Surgery
  • 2022
  • Ingår i: Diseases of the Colon & Rectum. - : Springer. - 0012-3706 .- 1530-0358. ; 65:4, s. 559-565
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: 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 by inclusion through a nationwide register.PATIENTS: All adult patients undergoing elective surgery for colon cancer between the period of 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 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, multiorgan failure, or of 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 if this relationship is causal. See Video Abstract at http://links.lww.com/DCR/B738.
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5.
  • Bass, Gary Alan, 1979-, et al. (författare)
  • Admission Triage With Pain, Inspiratory Effort, Cough Score can Predict Critical Care Utilization and Length of Stay in Isolated Chest Wall Injury
  • 2022
  • Ingår i: Journal of Surgical Research. - : Academic Press. - 0022-4804 .- 1095-8673. ; 277, s. 310-318
  • Tidskriftsartikel (refereegranskat)abstract
    • INTRODUCTION: Damage to the thoracic cage is common in the injured patient, both when the injuries are confined to this single cavity and as part of the overall injury burden of a polytraumatized patient. In a subset of these patients, the severity of injury to the intrathoracic viscera is either underappreciated at admission or blossom over the following 48-72 h. The ability to promptly identify these patients and abrogate complications therefore requires triage of such at-risk patients to close monitoring in a critical care environment. At our institution, this triage hinges on the Pain, Inspiratory effort, Cough (PIC) score, which generates a composite unitless score from a nomogram which aggregates several variables-patient-reported Pain visual analog scale, Incentive spirometry effort, and the perceived adequacy of Cough. We thus sought to audit PIC's discriminant power in predicting intensive care unit (ICU) need.METHODS: This retrospective cohort study was performed at an urban, academic, level 1 trauma center. All isolated chest wall injuries (excluded any Abbreviated Injury Score >2 in head or abdomen) from January 2020 to June 2021 were identified in the local trauma registry. The electronic medical record was queried for standard demographics, admission PIC score, postadmission destination, ICU and hospital length of stay (LOS), and any unplanned admissions to the ICU. Chi-squared tests were used to determine differences between PIC score outcomes and the recursive partitioning method correlated admission PIC score to ICU LOS.RESULTS: Two hundred and thirty six isolated chest wall injury patients were identified, of whom 194 were included in the final analysis. The median age was 60 (interquartile range [IQR] 50-74) years, 63.1% were male, and the median (IQR) number of rib fractures was 3.0 (2.0-5.0). A cutoff PIC score of 7 or lower was associated with ICU admission (odds ratio [OR] 95% CI: 8.19 [3.39-22.55], P < 0.001 with a PPV = 41.4%, NPV = 91%), and with ICU admission for greater than 48 h [OR (95% CI): 26.86 (5.5-43.96), P < 0.001, with a PPV = 25.9%, NPV = 98.7%] but not anatomic injury severity score, hospital LOS or ICU, or the requirement for mechanical ventilation. The association between PIC score 7 or below and the presence of bilateral fractures, flail chest, or sternal fracture did not meet statistical significance. The accurate cut point of the PIC score to predict ICU admission over 48 h in our retrospective cohort was calculated as PIC ≤ 7 for P = 0.013 and PIC ≤ 6 for P = 0.001.CONCLUSIONS: Patients with isolated chest wall injuries require effective reproducible triage for ICU-level care. The PIC score appears to be a moderate discriminator of critical care need, per se, as judged by our recorded complication rate requiring critical care intervention. This vigilance may pay dividends in early detection and abrogation of respiratory failure emergencies. Furthermore, PIC score delineation for ICU need appears to be appropriate at 7 or less; this threshold can be used during admission triage to guide care.
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6.
  • Bass, Gary Alan, 1979-, et al. (författare)
  • Patterns of prevalence and contemporary clinical management strategies in complicated acute biliary calculous disease : an ESTES 'snapshot audit' of practice
  • 2022
  • Ingår i: European Journal of Trauma and Emergency Surgery. - : Springer. - 1863-9933 .- 1863-9941. ; 48, s. 23-25
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Acute complications of biliary calculi are common, morbid, and complex to manage. Variability exists in the techniques utilized to treat these conditions at an individual surgeon and unit level.Aim: To identify, through an international prospective nonrandomized cohort study, the epidemiology and areas of practice variability in management of acute complicated calculous biliary disease (ACCBD) and to correlate them against reported outcomes.Methods: A preplanned analysis of the European Society of Trauma and Emergency Surgery (ESTES) 2018 Complicated Biliary Calculous Disease audit was performed. Patients undergoing emergency hospital admission with ACCBD between 1 October 2018 and 31 October 2018 were included. All eligible patients with acute complicated biliary calculous disease were recorded contemporaneously using a standardized predetermined protocol and a secure online database and followed-up through to 60 days from their admission.Endpoints: A two-stage data collection strategy collecting patient demographics, details of operative, endoscopic and radiologic intervention, and outcome metrics. Outcome measures included mortality, surgical morbidity, ICU stay, timing of operative intervention, and length of hospital stay.Results: Three hundred thirty-eight patients were included, with a mean age of 65 years and 54% were female. Diagnosis at admission were: cholecystitis (45.6%), biliary pancreatitis (21%), choledocholithiasis with and without cholangitis (13.9% and 18%). Index admission cholecystectomy was performed in just 50% of cases, and 28% had an ERCP performed. Morbidity and mortality were low.Conclusion: This first ESTES snapshot audit, a purely descriptive collaborative study, gives rich 'real world' insights into local variability in surgical practice as compared to international guidelines, and how this may impact upon outcomes. These granular data will serve to improve overall patient care as well as being hypothesis generating and inform areas needing future prospective study.
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7.
  • Forssten, Maximilian Peter, 1996-, et al. (författare)
  • Dementia is a surrogate for frailty in hip fracture mortality prediction
  • 2022
  • Ingår i: European Journal of Trauma and Emergency Surgery. - : Springer. - 1863-9933 .- 1863-9941. ; 48:5, s. 4157-4167
  • Tidskriftsartikel (refereegranskat)abstract
    • PURPOSE: Among hip fracture patients both dementia and frailty are particularly prevalent. The aim of the current study was to determine if dementia functions as a surrogate for frailty, or if it confers additional information as a comorbidity when predicting postoperative mortality after a hip fracture.METHODS: All adult patients who suffered a traumatic hip fracture in Sweden between January 1, 2008 and December 31, 2017 were considered for inclusion. Pathological fractures, non-operatively treated fractures, reoperations, and patients missing data were excluded. Logistic regression (LR) models were fitted, one including and one excluding measurements of frailty, with postoperative mortality as the response variable. The primary outcome of interest was 30-day postoperative mortality. The relative importance for all variables was determined using the permutation importance. New LR models were constructed using the top ten most important variables. The area under the receiver-operating characteristic curve (AUC) was used to compare the predictive ability of these models.RESULTS: 121,305 patients were included in the study. Initially, dementia was among the top ten most important variables for predicting 30-day mortality. When measurements of frailty were included, dementia was replaced in relative importance by the ability to walk alone outdoors and institutionalization. There was no significant difference in the predictive ability of the models fitted using the top ten most important variables when comparing those that included [AUC for 30-day mortality (95% CI): 0.82 (0.81-0.82)] and excluded [AUC for 30-day mortality (95% CI): 0.81 (0.80-0.81)] measurements of frailty.CONCLUSION: Dementia functions as a surrogate for frailty when predicting mortality up to one year after hip fracture surgery. The presence of dementia in a patient without frailty does not appreciably contribute to the prediction of postoperative mortality.
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8.
  • Forssten, Maximilian Peter, 1996-, et al. (författare)
  • Developing and validating a scoring system for measuring frailty in patients with hip fracture : a novel model for predicting short-term postoperative mortality
  • 2022
  • Ingår i: Trauma surgery & acute care open. - : BMJ Publishing Group Ltd. - 2397-5776. ; 7:1
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives: Frailty is common among patients with hip fracture and may, in part, contribute to the increased risk of mortality and morbidity after hip fracture surgery. This study aimed to develop a novel frailty score for patients with traumatic hip fracture that could be used to predict postoperative mortality as well as facilitate further research into the role of frailty in patients with hip fracture.Methods: The Orthopedic Hip Frailty Score (OFS) was developed using a national dataset, retrieved from the Swedish National Quality Registry for Hip Fractures, that contained all adult patients who underwent surgery for a traumatic hip fracture in Sweden between January 1, 2008 and December 31, 2017. Candidate variables were selected from the Nottingham Hip Fracture Score, Sernbo Score, Charlson Comorbidity Index, 5-factor modified Frailty Index, as well as the Revised Cardiac Risk Index and ranked based on their permutation importance, with the top 5 variables being selected for the score. The OFS was then validated on a local dataset that only included patients from Orebro County, Sweden.Results: The national dataset consisted of 126,065 patients. 2365 patients were present in the local dataset. The most important variables for predicting 30-day mortality were congestive heart failure, institutionalization, non-independent functional status, an age ≥85, and a history of malignancy. In the local dataset, the OFS achieved an area under the receiver-operating characteristic curve (95% CI) of 0.77 (0.74 to 0.80) and 0.76 (0.74 to 0.78) when predicting 30-day and 90-day postoperative mortality, respectively.Conclusions: The OFS is a significant predictor of short-term postoperative mortality in patients with hip fracture that outperforms, or performs on par with, all other investigated indices.Level of evidence: Level III, Prognostic and Epidemiological.
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9.
  • Forssten, Maximilian Peter, 1996-, et al. (författare)
  • Mortality risk stratification in isolated severe traumatic brain injury using the revised cardiac risk index
  • 2022
  • Ingår i: European Journal of Trauma and Emergency Surgery. - : Springer. - 1863-9933 .- 1863-9941. ; 48:6, s. 4481-4488
  • Tidskriftsartikel (refereegranskat)abstract
    • PURPOSE: Traumatic brain injury (TBI) continues to be a significant cause of mortality and morbidity worldwide. As cardiovascular events are among the most common extracranial causes of death after a severe TBI, the Revised Cardiac Risk Index (RCRI) could potentially aid in the risk stratification of this patient population. This investigation aimed to determine the association between the RCRI and in-hospital deaths among isolated severe TBI patients.METHODS: All adult patients registered in the TQIP database between 2013 and 2017 who suffered an isolated severe TBI, defined as a head AIS ≥ 3 with an AIS ≤ 1 in all other body regions, were included. Patients were excluded if they had a head AIS of 6. The association between different RCRI scores (0, 1, 2, 3, ≥ 4) and in-hospital mortality was analyzed using a Poisson regression model with robust standard errors while adjusting for potential confounders, with RCRI 0 as the reference.RESULTS: 259,399 patients met the study's inclusion criteria. RCRI 2 was associated with a 6% increase in mortality risk [adjusted IRR (95% CI) 1.06 (1.01-1.12), p = 0.027], RCRI 3 was associated with a 17% increased risk of mortality [adjusted IRR (95% CI) 1.17 (1.05-1.31), p = 0.004], and RCRI ≥ 4 was associated with a 46% increased risk of in-hospital mortality [adjusted IRR(95% CI) 1.46 (1.11-1.90), p = 0.006], compared to RCRI 0.CONCLUSION: An elevated RCRI ≥ 2 is significantly associated with an increased risk of in-hospital mortality among patients with an isolated severe traumatic brain injury. The simplicity and bedside applicability of the index makes it an attractive choice for risk stratification in this patient population.
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10.
  • Forssten, Maximilian Peter, 1996-, et al. (författare)
  • The consequences of out-of-hours hip fracture surgery : insights from a retrospective nationwide study
  • 2022
  • Ingår i: European Journal of Trauma and Emergency Surgery. - : Springer. - 1863-9933 .- 1863-9941. ; 48:2, s. 709-719
  • Tidskriftsartikel (refereegranskat)abstract
    • PURPOSE: The study aimed to investigate the association between out-of-hours surgery and postoperative mortality in hip fracture patients. Furthermore, internal fixation and arthroplasty were compared to determine if a difference could be observed in patients operated with these techniques at different times during the day.METHODS: All patients above 18 of age years in Sweden who underwent hip fracture surgery between 2008 and 2017 were eligible for inclusion. Pathological fractures, non-operatively managed fractures, or cases whose time of surgery was missing were excluded. The cohort was subdivided into on-hour (08:00-17:00) and out-of-hours surgery (17:00-08:00). Poisson regression with adjustments for confounders was used to evaluate the association between out-of-hours surgery and both 30-day and 90-day postoperative mortality.RESULTS: Out-of-hours surgery was associated with a 5% increase in the risk of both 30-day [adj. IRR (95% CI) 1.05 (1.00-1.10), p = 0.040] and 90-day [adj. IRR (95% CI) 1.05 (1.01-1.09), p = 0.005] mortality after hip fracture surgery compared to on-hour surgery. There was no statistically significant association between out-of-hours surgery and postoperative mortality among patients who received an internal fixation. Arthroplasties performed out-of-hours were associated with a 13% increase in 30-day postoperative mortality [adj. IRR (95% CI) 1.13 (1.04-1.23), p = 0.005] and an 8% increase in 90-day postoperative mortality [adj. IRR (95% CI) 1.08 (1.01-1.15), p = 0.022] compared to on-hour surgery.CONCLUSION: Out-of-hours surgical intervention is associated with an increase in both 30- and 90-day postoperative mortality among hip fracture patients who received an arthroplasty, but not among patients who underwent internal fixation.
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