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PURPOSE: Rib fractures are common after blunt thoracic trauma and can be associated with significant morbidity and mortality. We investigated trends of rib fracture injuries among adults presenting to United States (US) emergency departments, factors related to increased likelihood of hospitalization, and hospitalization practice patterns. METHODS: We queried the National Electronic Injury Surveillance System database between 2012 and 2021 for all patients 18 years of age and older with rib fractures. These data were extrapolated to provide national estimates. Regression analysis was performed to identify trends for injury and risk factors for hospitalization. RESULTS: We identified 32,233 adult patients with rib fractures; this extrapolated to a national estimate of 1,430,270 patients with rib fractures during the 10-year period. Between 2012 and 2021, there was a 52% increase in the incidence rate per 100,000 persons (R2 = 0.94, p < 0.001). Males accounted for 58% of patients with rib fractures, and 50% of patients were 65 years or older. Hospitalization was required in 38% of patients, and the hospitalization rate increased by 96% during the study period (R2 = 0.96, p < 0.001). When comparing hospitals of different sizes, a 20% greater increase in the odds of hospitalization over time was identified among patients presenting to "larger" hospitals compared to "smaller" hospitals. CONCLUSION: The incidence of rib fractures and the associated hospitalization rates are both increasing nationally, with half of cases occurring in patients aged 65 years or older. Our findings emphasize the urgent need to implement evidence-based preventive measures and current management guidelines when managing the increasing caseload of rib fracture injuries.
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We report the diagnosis, treatment, and outcomes of a 52-year-old woman who originally presented to her primary care provider with adenopathy. Core needle biopsy (CNB) was inconclusive as it could not distinguish between follicular and diffuse large B-cell lymphomas (DLBCLs). A left axillary surgical lymph node biopsy was performed and demonstrated that the patient had a DLBCL arising from grade 3 follicular lymphoma. We discuss the limitations of CNB and the value of surgical lymph node biopsy in the diagnosis of lymphoma. The patient recovered from the biopsy without complications, and chemotherapy was initiated after the procedure. The patient has now remained in complete remission at 22 months.
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Gastrointestinal angiodysplasia is an uncommon condition often associated with significant gastrointestinal bleeding that is resistant to medical therapy. We report the clinical outcomes of two patients who successfully underwent simultaneous intraoperative endoscopic and surgical interventions for the treatment of angiodysplasia. Intraoperative endoscopic guidance was found to be useful in managing hemorrhage caused by angiodysplasia in both patients. Additionally, we performed an analysis of cases reported in the literature. Our review focused on the anatomic location of the resected bowel and the clinical outcomes of patients ( n = 21) with angiodysplasia managed with intraoperative endoscopy reported in the literature.
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INTRODUCTION AND IMPORTANCE: Isolated splenic peliosis is an extremely rare condition. The associations of splenic peliosis with various infections, medications, and conditions have unclear significance. We present three patients from the past twenty years with spontaneous splenic rupture due to peliosis, two of whom had hematologic malignancy, to draw attention to a possible correlation. CASE PRESENTATION: A 31-year-old male with essential thrombocytopenia and antiphospholipid-antibody syndrome presented with worsening abdominal pain and hypotension. The patient denied any trauma. Computed-tomography demonstrated hemoperitoneum and splenic rupture with innumerable blood-filled splenic cysts. An uncomplicated emergency open splenectomy was performed with shed-blood reinfusion. The patient was discharged on postoperative day five. The patient developed acute myelogenous leukemia and died six years later. A 44-year-old otherwise healthy male presented with left upper-quadrant and shoulder pain without reported trauma. Computed-tomography (CT) imaging revealed splenomegaly, multiple splenic cystic lesions, and free intraperitoneal blood. A laparoscopic splenectomy, complicated by a pancreatic leak that was managed with a drain, was performed. The patient was discharged on postoperative day three and was well at 37 months follow-up. A 78-year-old male with splenomegaly and chronic anemia on warfarin for atrial fibrillation presented in shock with a distended abdomen after falling from a standing height. The patient was resuscitated with two units of packed red blood cells and underwent emergent abdominal exploration. The spleen was ruptured. An open splenectomy was performed and four liters of intraperitoneal blood were evacuated. Pathology confirmed splenic peliosis and historic diffuse large B-cell lymphoma. The patient had an excellent response to chemotherapy but died 12 years later. CLINICAL DISCUSSION: Splenic peliosis is a rare vascular phenomenon of unclear etiology. Several toxic and pharmaceutical agents have been associated with spontaneous splenic rupture in patients with peliosis. There are also a number of reported patients who were noted to have hematologic disorders, suggestive of a potential association to the pathophysiology of peliosis. CONCLUSION: Based on our clinical experience and focused literature review, it appears likely that there is a relationship between splenic peliosis and hematologic malignancy.
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The administration of 4-factor prothrombin complex concentrate (4F-PCC) has expanded beyond its Food and Drug Administration (FDA)-approved indication for the emergent reversal of vitamin K antagonists (VKAs). Therefore, this study aimed to evaluate the risks and benefits associated with the expanded use of 4F-PCC. We conducted a single-center retrospective review of 4F-PCC administrations at our university hospital. Of the 159 patients who received 4F-PCC, 76% (n = 121) and 24% (n = 38) received it for the FDA-approved indication in the vitamin K-related coagulopathy (VKA) group and for expanded use in the nonvitamin K-related coagulopathy (nVKA) group, respectively. The expanded use of 4F-PCC was associated with a less robust reduction in the international normalized ratio (INR) (INR of -0.7 ± 1.3 vs INR of -1.6 ± 1.8, P = .002), and fewer patients in the nVKA group achieved a postadministration INR of less than1.5 (11% vs 79%, P = .001) than those in the VKA group. Furthermore, the 30-day mortality rate was significantly higher in the nVKA cohort than in the VKA cohort (42% vs 20%, P = .04). Notably, based on our data, underlying differences in the patient's comorbidities, particularly advanced liver disease, may have contributed to the observed outcome variations, including mortality rate. Therefore, factors, including comorbidities and the underlying etiology of coagulopathy, should be considered when deciding on the expanded use of 4F-PCC. Further research is needed to better understand the potential risks and benefits of 4F-PCC in expanded use scenarios, and the clinical decision to use 4F-PCC outside its FDA-approved indication should be made carefully, considering this information.
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Trastornos de la Coagulación Sanguínea , Hepatopatías , Humanos , Estudios Retrospectivos , Factores de Coagulación Sanguínea/farmacología , Factores de Coagulación Sanguínea/uso terapéutico , Trastornos de la Coagulación Sanguínea/inducido químicamente , Trastornos de la Coagulación Sanguínea/tratamiento farmacológico , Factor IX , Hepatopatías/tratamiento farmacológico , Vitamina K , Anticoagulantes/efectos adversos , Relación Normalizada InternacionalRESUMEN
INTRODUCTION: There is a demand for surgical simulation training to be made accessible in low-resource countries. We conducted a pilot workshop at a new state-of-the-art simulation center and evaluated two novel low-cost surgical simulation models in a lower middle-income country (LMIC). METHODS: A hands-on workshop to train local educators about simulation training was held at a new simulation center. Participant surveys were analyzed following the "training-the-trainer" workshop. Low-cost, hybrid-fidelity pericardiocentesis and thoracic cavity simulation training models were created using locally available materials. These models recreated the pertinent anatomy at a cost under 20 US dollars each. The models were used to train 109 postgraduate anesthesiology trainees during two hands-on medical education workshops. Participant surveys were collected and analyzed. RESULTS: Of the local educators who participated in the "training-the-trainer" workshop, 65% "agreed" and 35% "strongly agreed" with the claim that the simulations better prepared the trainees to teach the clinical scenarios. Additionally, 65% of local educators "agreed" and 35% "strongly agreed" that the simulations prepared them to navigate interprofessional care in those scenarios. The low-cost pericardiocentesis simulation was ranked as "good" or "outstanding" by 100% of survey respondents. The low-cost thoracostomy simulation was ranked as "good" or "outstanding" by 64% of survey respondents. Both the pericardiocentesis and thoracostomy simulators were valued for their low-cost design, the recreation of essential anatomy, and immersive design elements. CONCLUSION: Our team successfully implemented novel simulators for skill training in an LMIC by working in close collaboration with local experts, with the advancement of local simulation instruction practices. Collaboration is key to increasing access to surgical simulations, particularly in low- to middle-income countries.
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Upper extremity (UE) fractures are prevalent age-related fractures, and stair-associated falls are a common mechanism for these injuries. Our study has identified an increasing incidence of stair-related UE fractures and associated hospitalization rates among the older United States population between 2012-2021. Targeted prevention efforts should be implemented by health systems. INTRODUCTION: To analyze United States (US) emergency department trends in upper extremity stair-related fractures among older adults and investigate risk factors associated with hospitalization. METHODS: We queried the National Electronic Injury Surveillance System (NEISS) for all stair-related fracture injuries between 2012 and 2021 among adults 65 years or older. The US Census Bureau International Database (IDB) was analyzed to calculate incidence rates. Descriptive analysis, linear regression analysis, and multivariate regression analysis were used to interpret the collected data. RESULTS: Our analysis estimated 251,041 (95% CI: 211,678-290,404) upper extremity stair-related fractures among older adults occurred between 2012 and 2021. The primary anatomical locations were the humeral shaft (27%), wrist (26%), and proximal humerus (18%). We found a 56% increase in injuries (R2 = 0.77, p < 0.001), 7% increase in incidence per 100,000 persons (R2 = 0.42, p < 0.05), and an 38% increase in hospitalization rate (R2 = 0.61, p < 0.01) during the 10-year study period. Women sustained the majority of fractures (76%) and most injuries occurred in homes (89%). Advanced age (p < 0.0001), males (p < 0.0001), proximal humerus fractures (p < 0.0001), humeral shaft fractures (p < 0.0001), and elbow fractures (p < 0.0001) were associated with increased odds of hospitalization after injury. CONCLUSION: Stair-related UE fracture injuries, incidence, and hospitalization rates among older adults are increasing significantly, particularly among older females. Improving bone health, optimizing functional muscle mass, and "fall-proofing" homes of older age groups may help mitigate the rising incidence of these injuries.
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Traumatismos del Brazo , Fracturas Óseas , Fracturas del Hombro , Masculino , Humanos , Femenino , Estados Unidos/epidemiología , Anciano , Incidencia , Fracturas Óseas/epidemiología , Fracturas Óseas/etiología , Traumatismos del Brazo/complicaciones , Traumatismos del Brazo/epidemiología , Extremidad Superior , HospitalizaciónRESUMEN
INTRODUCTION: Children under the age of 5 years suffer from the highest rates of fall-related injuries. Caretakers often leave young children on sofas and beds, however, falling and rolling off these fixtures can lead to serious injury. We investigated the epidemiologic characteristics and trends of bed and sofa-related injuries among children aged <5 years treated in US emergency departments (EDs). METHODS: We conducted a retrospective analysis of data from the National Electronic Injury Surveillance System from 2007 through 2021 using sample weights to estimate national numbers and rates of bed and sofa-related injuries. Descriptive statistics and regression analyses were employed. RESULTS: An estimated 3,414,007 children aged <5 years were treated for bed and sofa-related injuries in emergency departments (EDs) in the United States from 2007 through 2021, averaging 115.2 injuries per 10,000 persons annually. Closed head injuries (30%) and lacerations (24%) comprised the majority of injuries. The primary location of injury was the head (71%) and upper extremity (17%). Children <1 year of age accounted for most injuries, with a 67% increase in incidence within the age group between 2007 and 2021 (p < 0.001). Falling, jumping, and rolling off beds and sofas were the primary mechanisms of injury. The proportion of jumping injuries increased with age. Approximately 4% of all injuries required hospitalization. Children <1 year of age were 1.58 times more likely to be hospitalized after injury than all other age groups (p < 0.001). CONCLUSION: Beds and sofas can be associated with injury among young children, especially infants. The annual rate of bed and sofa-related injuries among infants <1 year old is increasing, which underscores the need for increased prevention efforts, including parental education and improved safety design, to decrease these injuries.
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Laceraciones , Heridas y Lesiones , Lactante , Niño , Humanos , Estados Unidos/epidemiología , Preescolar , Estudios Retrospectivos , Laceraciones/epidemiología , Hospitalización , Servicio de Urgencia en Hospital , Heridas y Lesiones/epidemiología , Heridas y Lesiones/etiología , Heridas y Lesiones/terapiaRESUMEN
INTRODUCTION: Urgent abdominal colectomy is indicated for patients with fulminant Clostridioides difficile infection (CDI) when other medical therapies fail, yet mortality remains high. Fecal microbiota transplant is a less invasive alternative approach for patients with fulminant CDI. We report the 30-day complications of patients with fulminant CDI who underwent either abdominal colectomy, fecal microbiota transplantation (FMT), or FMT followed by abdominal colectomy (FMT-CO). Methods: We performed a single-center, retrospective case review of combined medical and surgical patients with CDI at a large academic medical center between 2008 and 2016. Cohorts were identified as patients with fulminant CDI who underwent total abdominal colectomy alone (CO), FMT alone (FMT), or FMT-CO. We analyzed patient demographics, history, comorbidities, clinical and laboratory variables, CDI severity scores, and mortality outcomes at 30 days. Results: We identified 5,150 patients with CDI at our center during the review period; 16 patients met the criteria for fulminant CDI and were included in this study, with four patients in the CO cohort, eight patients in the FMT cohort, and four patients in the FMT-CO cohort. Demographics and CDI severity scores were similar for all three groups, although the selected comorbidity profiles differed significantly among the three cohorts. The 30-day mortality rates for patients in the CO, FMT, and FMT-CO groups were 25%, 12.5%, and 25%, respectively. Conclusions: FMT is an alternative or adjunctive therapy to colectomy for patients with fulminant CDI that is not associated with increased mortality. Implementation of FMT protocols in clinical practice would be dependent on the availability of qualified transplant material and successful early identification of patients likely to benefit from FMT.
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We report long-term follow-up of a patient who underwent a tailored laparoscopic procedure for symptomatic cholelithiasis, massive splenomegaly, and a planned pregnancy. There were no complications, and the patient remained symptom-free at the 5-year follow-up. We supplemented our case report with national surgical data demonstrating the safety of laparoscopic splenectomy.
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BACKGROUND: We investigated key risk factors for hospital admission related to powered scooters, which are modes of transportation with increasing accessibility across the United States (US). METHODS: We queried the National Electronic Injury Surveillance System (NEISS) for injuries related to powered scooters, obtaining US population projections of injuries and hospital admissions. We determined mechanism of injury, characterized injury types, and performed multivariate regression analyses to determine factors associated with hospital admission. RESULTS: One thousand one hundred ninety-one patients sustained electric-motorized scooter (e-scooter) injuries and 10.9% (131) required hospitalization from 2013 to 2018. This extrapolated to a US annual total of 862 (95% CI:745-979) scooter injuries requiring hospitalization, with estimated annual mortality of 6.7 patients per year (95% CI:4.8-8.5). The incidence of hospital admissions increased by an average of 13.1% each year of the study period. Fall (79 [60%]) and motor vehicle collision (33 [25%]) were the most common mechanism. Injury locations included head (44 [34%]), lower extremity (22 [17%]), and lower trunk (16 [12%]). On multivariable analysis, significant factors associated with admission included increased age (OR 1.02, 95% CI:1.01-1.02), torso injuries (OR 6.19, 2.93-13.10), concussion (25.45, 5.88-110.18), fractures (21.98, 7.13-67.66), musculoskeletal injury (6.65, 1.20-36.99), and collision with vehicle (3.343, 2.009-5.562). Scooter speed, seasonality, and gender were not associated with risk of hospitalization. CONCLUSION: Our findings show increased hospital admissions and mortality from powered scooter trauma, with fall and motor vehicle collisions as the most common mechanisms resulting in hospitalization. This calls for improved rider safety measures and regulation surrounding vehicular collision scenarios.
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Accidentes de Tránsito , Fracturas Óseas , Servicio de Urgencia en Hospital , Fracturas Óseas/epidemiología , Dispositivos de Protección de la Cabeza , Hospitalización , Hospitales , Humanos , Estudios Retrospectivos , Estados Unidos/epidemiologíaRESUMEN
BACKGROUND: Massive blood transfusion (MBT) following older adult trauma poses unique challenges. Despite extensive evidence on optimal resuscitative strategies in the younger adult patients, there is limited research in the older adult population. METHODS: We used the Trauma Quality Improvement Program (TQIP) database from 2013 to 2017 to identify all patients over 65 years old who received a MBT. We stratified our population into six fresh-frozen plasma:packed red blood cell (FFP:pRBC) ratio cohorts (1:1, 1:2, 1:3, 1:4, 1:5, 1:6+). Our primary outcomes were 24-h and 30-day mortality. We constructed multivariable regression models with 1:1 group as the baseline and adjusted for confounders to estimate the independent effect of blood ratios on mortality. RESULTS: A total of 3134 patients met our inclusion criteria (median age 73 ± 7.6 years, 65% male). On risk-adjusted multivariable analysis, 1:1 FFP:pRBC ratio was independently associated with lowest 24-h mortality (1:2 odds ratio [OR] 1.60, 95% confidence interval [CI] 1.25-2.06, p < 0.001) and 30-day mortality (1:2 OR 1.44, 95% CI 1.15-1.80, p = 0.002). CONCLUSIONS: Compared to all other ratios, the 1:1 FFP:pRBC ratio had the lowest 24-h and 30-day mortality following older adult trauma consistent with findings in the younger adult population.
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Transfusión de Componentes Sanguíneos , Heridas y Lesiones , Humanos , Masculino , Anciano , Anciano de 80 o más Años , Femenino , Transfusión de Eritrocitos , Estudios Retrospectivos , Transfusión Sanguínea , Plasma , Heridas y Lesiones/terapiaRESUMEN
Gallbladder cancer is a rare but potentially fatal disease. It is often asymptomatic in early stages and is frequently found incidentally or during the workup for benign biliary disease. We present two patients who each had suspicious gallbladder imaging findings and highlight their differences on radiologic and pathologic examination.
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INTRODUCTION: Non-operative antibiotic therapy is now considered as an alternative to surgery for acute appendicitis (AA). This is in part due to the reported surgical complication rates. We report a patient who developed wound infection and port site hernia following a laparoscopic appendectomy, analyze our post-operative wound infection rates, and discuss the treatment options for AA globally. PRESENTATION OF CASE: We report a 40-year-old woman who developed a wound infection and subsequent port site hernia following laparoscopic appendectomy (LA) and analyze surgical site infection (SSI) and readmission rates for patients who underwent LA at our medical center. Analysis of our surveillance data demonstrated that 15/865 (1.7%) patients developed SSIs and 7/15 (47%) of these patients had positive wound cultures. Patients who developed SSIs were more likely to be male (80% vs 20%; P = 0.03), be older (43.0 vs 34.0; P = 0.04), have higher surgical wound classification scores (66.7% vs 38.2%; P = 0.009), and have longer operative times (82 vs 62 min; P = 0.003). The overall readmission rate was 2.8%. DISCUSSION: We report a lower SSI rate after LA than usually reported. Surgical site infection following LA is rare and may be challenging to diagnose early. Additional complications such as port-site hernia may also be encountered in this setting. CONCLUSION: This data should inform both physicians and surgeons who must consider the expected complication rates associated with surgery for AA globally.
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Purpose: Hospital pharmacists contribute to patient safety and quality initiatives by overseeing the prescribing of antidiabetic medications. A pharmacist-driven glycemic control protocol was developed to reduce the rate of severe hypoglycemia events (SHE) in high-risk hospitalized patients. Methods: We retrospectively analyzed the rates of SHE (defined as blood glucose ≤40 mg/dL), before and after instituting a pharmacist-driven glycemic control protocol over a 4-year period. A hospital glucose management team that included a lead Certified Diabetes Educator Pharmacist (CDEP), 5 pharmacists trained in diabetes, a lead hospitalist, critical care and hospital providers established a process to first identify patients at risk for severe hypoglycemia and then implement our protocol. Criteria from the American Diabetes Association and the American Association of Clinical Endocrinologists was utilized to identify and treat patients at risk for SHE. We analyzed and compared the rate of SHE and physician acceptance rates before and after protocol initiation. Results: From January 2015 to March 2019, 18 297 patients met criteria for this study; 139 patients experienced a SHE and approximately 80% were considered high risk diabetes patients. Physician acceptance rates for the new protocol ranged from 77% to 81% from the year of initiation (2016) through 2018. The absolute risk reduction of SHE was 9 events per 1000 hospitalized diabetic patients and the relative risk reduction was 74% SHE from the start to the end of the protocol implementation. Linear regression analysis demonstrated that SHE decreased by 1.5 events per 1000 hospitalized diabetic patients (95% confidence interval, -1.54 to -1.48, P < .001) during the 2 years following the introduction of the protocol. This represents a 15% relative reduction of SHE per year. Conclusion: The pharmacist-driven glycemic control protocol was well accepted by our hospitalists and led to a significant reduction in SHE in high-risk diabetes patient groups at our hospital. It was cost effective and strengthened our physician-pharmacist relationship while improving diabetes care.
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Parastomal hernias (PH) are a well-known complication following ileal conduit urinary diversion. We present a case report of a woman in her mid-nineties with a symptomatic parastomal hernia at the site of her ileal conduit which was repaired laparoscopically by an inverted top-hat technique. The "top hat" is constructed by assembling a transected ring of synthetic mesh with a secondary mesh cylinder and laparoscopically securing this mesh construct in an underlay fashion. At eighteen months follow-up, the patient remains pain free and without evidence of hernia recurrence.
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PURPOSE: Senior medical students are variably prepared to begin surgical training; and a national curriculum was established through the American College of Surgeons to better prepare senior medical students for surgical training. The purpose of our course is to prepare senior medical students to more effectively enter surgical training programs. We recently enhanced our independently developed surgical training preparation course by increasing exposure to surgical anatomy, medical physiology, surgical skills, and point-of-care ultrasound. We evaluated the impact of our interprofessional training course to increase confidence and readiness among senior medical students entering surgical training. METHODS: The course focused on pre- and post-operative patient care, surgical anatomy, human physiology, and bedside ultrasound. Didactic lectures in anatomy, human physiology, and bedside ultrasound were provided prior to all hands-on simulated patient care sessions and mock surgical procedures. To evaluate our interprofessional curriculum, we administered pre- and post-course surveys, pre- and post-course knowledge tests, and a final surgical anatomy laboratory practical examination to 22 senior medical students who were enrolled in the course. All students created a final surgical anatomy presentation. RESULTS: The students demonstrated a 100% pass rate in surgical anatomy. The knowledge test, which included assessment of knowledge on perioperative surgical decision making, human physiology, and bedside ultrasound, demonstrated an average improvement of 10%. Statistically significant improvements in median confidence values were identified in 10 of 32 surveyed categories, including surgical skills (p < 0.05); 84% of student goals for the course were achieved. The medical students' surveys confirmed increased confidence related to the use of point-of-care ultrasound, teamwork experience, and basic surgical skills through small group interactive seminars and surgical simulation exercises. CONCLUSION: Our preparation for surgical training course resulted in high student satisfaction and demonstrated an increased sense of confidence to begin surgical training. The 10% improvement in medical student knowledge, as evaluated by a written examination, and the significant improvement in confidence level self-assessment scores confirms this surgery preparation course for senior medical students successfully achieved the desired goals of the course.
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INTRODUCTION AND IMPORTANCE: Primary angiosarcoma of the spleen is a rare condition with a nonspecific clinical presentation and is associated with a poor prognosis. We describe two patients with primary splenic angiosarcoma successfully treated with splenectomy and adjuvant chemotherapy. CASE PRESENTATIONS: Case 1: A 50-year-old female presented with fatigue and left-sided rib, shoulder, and abdominal pain. A CT scan demonstrated a large splenic mass, and biopsy was diagnostic of angiosarcoma. An open en bloc resection of the spleen was performed, and pathologic examination confirmed high-grade angiosarcoma; the surgical margins were negative. The patient received pegylated liposomal doxorubicin (PLD) and ifosfamide; she demonstrated no evidence of recurrence with four years of follow-up. Case 2: A 70-year-old male presented with acute back pain. A CT scan demonstrated a splenic mass; biopsy was diagnostic of angiosarcoma. The patient underwent open splenectomy, and pathology revealed high-grade angiosarcoma; the surgical margins were positive. The patient received PLD and ifosfamide but presented three years later with metastatic tumor to the spine. The patient had a favorable tumor response to pembrolizumab. The patient's tumor burden remains stable at 5 years following splenectomy. CLINICAL DISCUSSION: Angiosarcoma of the spleen is a rare clinical entity and is often challenging to diagnose early. Moratality is high, especially in the case of metastasis or spontaneous rupture. CONCLUSION: Due to the rare nature of this tumor, optimal treatment is not known. Here, we show excellent response in two patients to surgery combined with adjuvant therapy.
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OBJECTIVE: Surgical site infection (SSI) following spine surgery is associated with increased morbidity and healthcare costs. In an effort to reduce SSI rates, the application of intrawound vancomycin powder has gained popularity. However, there is limited high-quality evidence to support the safety and efficacy of this practice. The authors sought to determine if intrawound application of vancomycin powder improves 90-day overall SSI rates. METHODS: The authors performed a retrospective, vancomycin exposure-matched cohort study at a single tertiary care hospital over 21 months. They included all patients undergoing elective spinal surgery and stratified the patients into two groups: those who received intrawound vancomycin powder application and those who received no application of vancomycin powder. The primary outcome of interest was the 90-day overall SSI rate. Secondary outcomes included rates of superficial SSI, deep SSI, wound disruption, and a post hoc analysis of the microbiology and minimum inhibitory concentrations. Baseline patient demographics, clinical presentation, comorbidities, perioperative factors, and 90-day postoperative outcomes were manually abstracted from patient charts. To mitigate bias, we performed 1:1 matching after calculating propensity scores and identified 1 patient from the no-vancomycin cohort for each patient in the vancomycin cohort. RESULTS: A total of 997 patients met our inclusion criteria (473 patients receiving vancomycin and 524 patients not receiving vancomycin). Propensity score matching produced 221 matched pairs. Risk-adjusted analysis demonstrated similar overall SSI rates between the groups (OR 1.9, p = 0.329). On unadjusted analysis, the overall 90-day SSI rate was greater in the vancomycin group (n = 10 [4.5%]) than in the no-vancomycin group (n = 5 [2.3%]) (p < 0.001), as were the superficial SSI rate (7 [3.2%] vs 4 [1.8%], p < 0.001), deep SSI rate (3 [1.4%] vs 1 [0.5%], p < 0.001), and wound disruption rate (5 [2.3%] vs 1 [0.5%], p < 0.001). No cultured isolate demonstrated vancomycin resistance. CONCLUSIONS: The authors observed no difference in SSI rates after the intrawound application of vancomycin powder during spine surgery. Vancomycin use did not contribute to antimicrobial resistance; however, it may select out gram-negative bacteria and increase rates of wound disruption.
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BACKGROUND: Total pancreatectomy with islet autotransplantation is a therapeutic surgical option for patients with chronic pancreatitis leading to significant reduction in pain, improvement in quality of life, and potential for preservation of partial to full endocrine function. Data on the factors associated with short-term morbidities are limited. METHODS: We queried the American College of Surgeons National Surgery Quality Improvement Project for patients undergoing total pancreatectomy with islet autotransplantation from 2005 to 2015. We determined 30-day morbidity and mortality and performed univariate and multivariate analysis to determine the preoperative and intraoperative factors associated with development of postoperative infectious complications. RESULTS: The rate of 30-day postoperative morbidity in 384 patients undergoing total pancreatectomy with islet autotransplantation was 36% with an overall mortality of 1%. Postoperative infectious complications developed in 29% of patients and were associated with increased operative time (P = .016),and higher postoperative wound class (P = .045). After risk adjustment, only increased operative time was independently associated with increased rates of infectious complications (OR=1.1, 95% CI = 1.01-1.13, P = .02). CONCLUSIONS: Total operative time is independently associated with increased postoperative infectious complications in total pancreatectomy with islet autotransplantation. Future interventions aimed at optimizing islet isolation, surgical approach, and refinement of patient selection criteria present opportunities for reducing operative time and potentially reducing the morbidity of this surgical procedure.