Emergency General Surgery Diagnoses Research Articles

Frequency and Natural History of Emergency General Surgery Conditions in Cancer Patients: A SEER-Medicare Population Analysis.

To determine if cancer patients experience variability in incidence or management of emergency general surgery (EGS) conditions compared to non-cancer patients. The true frequency, and natural history of EGS conditions among cancer patients has not been characterized. We utilized SEER-Medicare data from January 2006-December 2015 to compare patients with breast, prostate, and lung cancer to a non-cancer cohort. Patients were followed from date of cancer diagnosis, or an index date for non-cancer patients, to the development of an EGS condition, death or last follow up. We assessed the cumulative incidence of EGS conditions over time, and fit multivariable Cox proportional hazards models to evaluate the impact of time-dependent surgical intervention on mortality. We identified 322,756 patients with breast (N=82,147), lung (N=128,618), and prostate cancer (N=111,991) and 210,429 non-cancer patients.. Cancer patients had a higher incidence of an EGS condition within the first year after diagnosis (4.8% vs. 3.2%), with lung (6.8%) and breast cancer (4.0%) showing consistent rends. Cancer patients were less likely to undergo surgery for (13% vs. 14%, P=0.005), though this varied by cancer type and EGS conditions. Patients with breast (HR 1.27, 95%CI 1.17-1.39) and lung cancer (HR 3.27, 95%CI 3.07-3.48) were more likely to die within 30-days of an EGS diagnosis. Cancer patients experience a higher incidence of EGS conditions within the first year following diagnosis, but are less likely to undergo surgery. Future research is needed to explore the interplay between EGS conditions, their management, and receipt of intended oncologic therapy, and resulting outcomes.

Outcomes of emergency general surgery admissions in patients experiencing homelessness: A matched cohort study

BackgroundHousing status impacts outcomes after elective and emergent operations but has not been well studied in the emergency general surgery population. This study investigates the impact of housing status on complications and 30-day follow-up, emergency department visits, and readmissions after emergency general surgery admission. MethodsWe conducted a retrospective matched cohort study of adult patients admitted with an emergency general surgery diagnosis at an urban, safety net hospital from 2014 to 2021. Patients were matched 1 to 2 on the basis of age, sex, Charlson Comorbidity Index, diagnosis, and operative status. The primary exposure was unhoused status. The primary outcome was in-hospital complications. Secondary outcomes included intensive care unit admission, extended length of stay, follow-up attendance, and emergency department visit or unplanned readmission within 30 days. Multivariable conditional logistic regression was used to determine the association between housing status and the outcomes of interest. ResultsThe study included 531 patients (177 unhoused, 354 housed). There were no significant differences in complications, intensive care unit admissions, or extended length of stay. Unhoused patients had lower odds of outpatient follow-up (odds ratio, 0.54; 95% confidence interval, 0.35–0.85, P = .008) and higher odds of emergency department utilization (odds ratio, 2.72; 95% confidence interval, 1.78–4.14, P < .001) and readmission (odds ratio, 1.87; 95% confidence interval, 1.09–3.19, P = .02). ConclusionCompared with housed patients, unhoused patients with emergency general surgery conditions have lower rates of outpatient follow-up and greater odds of using the emergency department and being readmitted within 30 days of discharge. This points to a need for dedicated posthospitalization care and creative methods of engaging with this population.

Emergency general surgery in older adult patients: Factors associated with fragmented care

BackgroundCare fragmentation has been shown to lead to increased morbidity and mortality. We aimed to explore the factors related to care fragmentation after hospital discharge in geriatric emergency general surgery patients, as well as examine the association between care fragmentation and mortality. MethodsWe designed a retrospective study of the Nationwide Readmissions Database 2019. We included patients ≥65 years old admitted with an emergency general surgery diagnosis who were discharged alive from the index admission. The primary outcome was 90-day care fragmentation, defined as an unplanned readmission to a non-index hospital. Multivariable logistic regression was performed, adjusting for patient and hospital characteristics. ResultsA total of 447,027 older adult emergency general surgery patients were included; the main diagnostic category was colorectal (22.6%), and 78.2% of patients underwent non-operative management during the index hospitalization. By 90 days post-discharge, 189,622 (24.3%) patients had an unplanned readmission. Of those readmitted, 20.8% had care fragmentation. The median age of patients with care fragmentation was 76 years, and 53.2% were of female sex. Predictors of care fragmentation were living in rural counties (odds ratio 1.76, 95% confidence interval: 1.57–1.97), living in a low-income ZIP Code, discharge to intermediate care facility (odds ratio 1.28, 95% confidence interval: 1.22–1.33), initial non-operative management (odds ratio 1.17, 95% confidence interval: 1.12–1.23), leaving against medical advice (odds ratio 2.60, 95% confidence interval: 2.29–2.96), and discharge from private investor-owned hospitals (odds ratio 1.18, 95% confidence interval: 1.10–1.27). Care fragmentation was significantly associated with higher mortality. ConclusionThe burden of unplanned readmissions in older adult patients who survive an emergency general surgery admission is underestimated, and these patients frequently experience care fragmentation. Future directions should prioritize evaluating the impact of initiatives aimed at alleviating the incidence and complications of care fragmentation in geriatric emergency general surgery patients.

Mortality burden from variation in provision of surgical care in emergency general surgery: a cohort study using the National Inpatient Sample

BackgroundThe decision to undertake a surgical intervention for an emergency general surgery (EGS) condition (appendicitis, diverticulitis, cholecystitis, hernia, peptic ulcer, bowel obstruction, ischemic bowel) involves a complex consideration of factors,...

Association of social determinants of health International Classification of Disease, Tenth Edition clinical modification codes with outcomes for emergency general surgery and trauma admissions

BackgroundPatients with Acute Care Surgery needs (ie, emergency general surgery diagnosis or trauma admission) are at particularly high risk for nonmedical patient-related factors that can be important drivers of healthcare outcomes. These social determinants of health are typically ascertained at the geographic area level (ie, county or neighborhood) rather than at the individual patient level. Recently, the International Classification of Diseases Tenth Revision, Tenth Edition created codes to capture health hazards related to patient socioeconomic and psychosocial circumstances. We sought to characterize the impact of these social determinants of health–related codes on perioperative outcomes among patients with acute care surgery needs. MethodsPatients diagnosed between 2017 and 2020 with acute care surgery needs (ie, emergency general surgery diagnosis or a trauma admission) were identified in the California Department of Healthcare Access and information Patient Discharge database. Data on concomitant social determinants of health–related codes (International Classification of Diseases Tenth Revision, Tenth Edition Z55-Z65), which designated health hazards related to socioeconomic and psychosocial (socioeconomic and psychosocial, respectively) circumstances, were obtained. After controlling for patient factors, including age, sex, race, payer type, and admitting hospital, the association of socioeconomic and psychosocial codes with perioperative outcomes and hospital disposition was analyzed. ResultsAmong 483,280 with an acute care surgery admission (emergency general surgery: n = 289,530, 59.9%; trauma: n = 193,705, 40.1%) mean age was 56.5 years (standard deviation: 21.5) and 271,911 (56.3%) individuals were male. Overall, 16,263 (3.4%) patients had a concomitant socioeconomic and psychosocial diagnosis code. The percentage of patients with a concurrent social determinants of health International Classification of Diseases Tenth Revision, Tenth Edition diagnosis increased throughout the study period from 2.6% in 2017 to 4.4% in 2020. Patients that were male (odds ratio 1.89; 95% confidence interval 1.82, 1.96), insured by Medicaid (odds ratio 5.43; 95% confidence interval 5.15, 5.72) or self-pay (odds ratio 3.04; 95% confidence interval 2.75, 3.36) all had higher odds of having an social determinants of health International Classification of Diseases Tenth Revision, Tenth Edition diagnosis. Black race did not have a significant association with an social determinants of health International Classification of Diseases Tenth Revision, Tenth Edition diagnosis (odds ratio 0.99; 95% confidence interval 0.94, 1.04); however, Hispanic (odds ratio 0.44; 95% confidence interval 0.43, 0.46) and Asian (odds ratio 0.40; 95% confidence interval 0.36, 0.44) race/ethnicity was associated with a lower odds of having an social determinants of health International Classification of Diseases Tenth Revision, Tenth Edition diagnosis. After controlling for competing risk factors on multivariable analyses, the risk-adjusted probability of hospital postoperative death was 3.1% (95% confidence interval 2.8, 3.4) among patients with a social determinants of health diagnosis versus 5.9% (95% confidence interval 5.9, 6.0) (odds ratio 0.48; 95% confidence interval 0.44, 0.54) among patients without a social determinants of health diagnosis. Risk-adjusted complications were 26.7% (95% confidence interval 26.1, 37.3) among patients with a social determinants of health diagnosis compared with 31.9% (95% confidence interval 31.7, 32.0) (odds ratio 0.74; 95% confidence interval 0.71, 0.77) among patients without a social determinants of health diagnosis. ConclusionInternational Classification of Diseases Tenth Revision, Tenth Edition social determinants of health code use was low, with only 3.4% of patients having documentation of a socioeconomic and psychosocial circumstance. The presence of an International Classification of Diseases Tenth Revision, Tenth Edition social determinants of health code was not associated with greater odds of complications or death; however, it was associated with longer length of stay and higher odds of being discharged to a skilled nursing facility.

Identifying malnutrition in emergency general surgery: systematic review.

Emergency general surgery practice is high risk. Surgery is a key part of treatment, with resultant catabolic stress and frequent need for nutritional support. The aim of this study was to examine the current methods of defining and determining malnutrition in emergency general surgery. This included examining the use of nutrition screening and assessment tools and other measures of malnutrition. MEDLINE, Embase, Cumulative Index to Nursing and Allied Health Literature, trial registries, and relevant journals published between January 2000 and January 2022 were searched for studies of adult patients with any emergency general surgery diagnosis, managed conservatively or operatively, with an assessment of nutritional status. Mixed populations were included if more than 50 per cent of patients were emergency general surgery patients or emergency general surgery results could be separately extracted. Studies in which patients had received nutritional support were excluded. The protocol was registered with PROSPERO, the international prospective register of systematic reviews (CRD42021285897). From 6700 studies screened, 324 full texts were retrieved and 31 were included in the analysis. A definition of malnutrition was provided in 23 studies (75 per cent), with nutritional status being determined by a variety of methods. A total of seven nutrition screening tools and a total of nine 'assessment' tools were reported. To define malnutrition, the most commonly used primary or secondary marker of nutritional status was BMI, followed by albumin level. Wide variation exists in approaches to identify malnutrition risk in emergency general surgery patients, using a range of tools and nutrition markers. Future studies should seek to standardize nutrition screening and assessment in the emergency general surgery setting as two discrete processes. This will permit better understanding of malnutrition risk in surgical patients.

350 Identifying Malnutrition in Emergency General Surgery (EGS): A Systematic Review

Abstract Aim Emergency general surgery (EGS) practice is high risk. Surgery is a key part of treatment, with resultant catabolic stress and frequent need for nutritional support. Aims of this study were to examine the current methods of defining and determining malnutrition in EGS. This included examining the use of nutrition screening and assessment tools, and other measures of malnutrition. Method Medline, Embase, CINAHL, trial registries and relevant journals published between January 2000 and January 2022 were searched for studies of adult patients with any EGS diagnosis, managed operatively or conservatively with an assessment of nutritional status. Mixed populations were included if more than 50% of patients were EGS or EGS results could be separately extracted. Studies whereby patients had received nutritional support were excluded. Results From 6,700 studies screened, 324 full texts were retrieved, and 31 were included in the analysis. A definition of malnutrition was provided in 75% (n = 23) of studies, with nutritional status being determined by a variety of methods. Seven nutrition screening tools and nine ‘assessment’ tools were reported. To define malnutrition, the most commonly used primary or secondary marker of nutritional status was body mass index followed by albumin level. Conclusions Wide variation exists in approaches to identify malnutrition risk in EGS patients, using a range of tools and nutrition markers. Future studies should seek to standardise nutrition screening and assessment in the EGS setting as two discrete processes. This will permit better understanding of malnutrition risk in surgical patients.

SP9.10 Identifying Malnutrition in Emergency General Surgery (EGS): A Systematic Review

Abstract Aims Emergency general surgery (EGS) practice is high risk. Surgery is a key part of treatment, with resultant catabolic stress and frequent need for nutritional support. Aims of this study were to examine the current methods of defining and determining malnutrition in EGS. This included examining the use of nutrition screening and assessment tools, and other measures of malnutrition. Methods Medline, Embase, CINAHL, trial registries and relevant journals published between January 2000 and January 2022 were searched for studies of adult patients with any EGS diagnosis, managed operatively or conservatively with an assessment of nutritional status. Mixed populations were included if more than 50% of patients were EGS or EGS results could be separately extracted. Studies whereby patients had received nutritional support were excluded. Results From 6,700 studies screened, 324 full texts were retrieved, and 31 were included in the analysis. A definition of malnutrition was provided in 75% (n = 23) of studies, with nutritional status being determined by a variety of methods. Seven nutrition screening tools and nine ‘assessment’ tools were reported. To define malnutrition, the most commonly used primary or secondary marker of nutritional status was body mass index followed by albumin level. Conclusions Wide variation exists in approaches to identify malnutrition risk in EGS patients, using a range of tools and nutrition markers. Future studies should seek to standardise nutrition screening and assessment in the EGS setting as two discrete processes. This will permit better understanding of malnutrition risk in surgical patients.

Virtual triage from freestanding emergency departments: a propensity score-weighted analysis of short-term outcomes in emergency general surgery.

Freestanding emergency departments (FSEDs) have generated improved hospital metrics, including decreased ED wait times and increased patient selection. Patient outcomes and process safety have not been evaluated. This study investigates the safety of FSED virtual triage in the emergency general surgery (EGS) patient population. A retrospective review evaluated all adult EGS patients admitted to a community hospital between January 2016 and December 2021 who either presented at a FSED and received virtual evaluation from a surgical team (fEGS) or presented at the community hospital emergency department and received in-person evaluation from the same surgical group (cEGS). Patients' demographics, acute care utilization history, and clinical characteristics at the onset of the index visit were used to build a propensity score model and stabilized Inverse Probability of Treatment Weights (IPTW) were used to create a weighted sample. Multivariable regression models were then employed to the weighted sample to evaluate the treatment effect of virtual triage compared to in-person evaluation on short-term outcomes, including length of stay (LOS) and 30-day readmission and mortality. Variables which occurred during the index visit (such as surgery duration and type of surgery) were adjusted for in the multivariable analyses. Of 1962 patients, 631 (32.2%) were initially evaluated virtually (fEGS) and 1331 (67.8%) underwent an in-person evaluation (cEGS). Baseline characteristics demonstrated significant differences between the cohorts in gender, race, payer status, BMI, and CCI score. Baseline risks were well balanced in the IPTW-weighted sample (SD range 0.002-0.18). Multivariable analysis found no significant differences between the balanced cohorts in 30-day readmission, 30-day mortality, and LOS (p > 0.05 for all). Patients who undergo virtual triage have similar outcomes to those who undergo in-person triage for EGS diagnoses. Virtual triage at FSED for these EGS patients may be an efficient and safe means for initial evaluation.

Defining the emergency general surgery patient population in the era of ICD-10 : Evaluating an established crosswalk from ICD-9 to ICD-10 diagnosis codes.

In 2015, the United States moved from the International Classification of Diseases, Ninth Revision ( ICD-9 ), to the International Classification of Diseases, Tenth Revision ( ICD-10 ), coding system. The American Association for the Surgery of Trauma Committee on Severity Assessment and Patient Outcomes previously established a list of ICD-9 diagnoses to define the field of emergency general surgery (EGS). This study evaluates the general equivalence mapping (GEM) crosswalk to generate an equivalent list of ICD-10 -coded EGS diagnoses. The GEM was used to generate a list of ICD-10 codes corresponding to the American Association for the Surgery of Trauma ICD-9 EGS diagnosis codes. These individual ICD-9 and ICD-10 codes were aggregated by surgical area and diagnosis groups. The volume of patients admitted with these diagnoses in the National Inpatient Sample in the ICD-9 era (2013-2014) was compared with the ICD-10 volumes to generate observed to expected ratios. The crosswalk was manually reviewed to identify the causes of discrepancies between the ICD-9 and ICD-10 lists. There were 485 ICD-9 codes, across 89 diagnosis categories and 11 surgical areas, which mapped to 1,206 unique ICD-10 codes. A total of 196 (40%) ICD-9 codes have an exact one-to-one match with an ICD-10 code. The median observed to expected ratio among the diagnosis groups for a primary diagnosis was 0.98 (interquartile range, 0.82-1.12). There were five key issues identified with the ability of the GEM to crosswalk ICD-9 EGS diagnoses to ICD-10 : (1) changes in admission volumes, (2) loss of necessary modifiers, (3) lack of specific ICD-10 code, (4) mapping to a different condition, and (5) change in coding nomenclature. The GEM provides a reasonable crosswalk for researchers and others to use when attempting to identify EGS patients in with ICD-10 diagnosis codes. However, we identify key issues and deficiencies, which must be accounted for to create an accurate patient cohort. This is essential for ensuring the validity of policy, quality improvement, and clinical research work anchored in ICD-10 coded data. Diagnostic Test/Criteria; Level III.

Population-level trends in emergency general surgery presentations and mortality over time.

Emergency general surgery (EGS) refers to the treatment of a subset of general surgical disease necessitating emergency evaluation and management (operative or non-operative)1. The majority of these disorders relate to the abdomen and gastrointestinal tract, with a range of severity. Operations for EGS conditions have higher rates of perioperative complications and death than comparable elective procedures, and many of these deaths are thought to be preventable2,3. There are limited population-level data regarding the impact of EGS. Existing studies4–6 suggest a trend towards decreased mortality with time. Many of these studies relied on incomplete population data that were weighted to estimate more comprehensive regional or national information5,6. Additionally, previous evaluations were largely limited to admitted patients. Emergency department (ED) overcrowding is a worsening public health problem, with potential effects on timely access to care and clinical outcomes7. Patients may be diverted to outpatient surgery, develop complications that change their admitting diagnosis, or even die. Therefore, evaluating EGS-related ED presentations and management even without admission is important. The contribution of individual EGS diagnoses to overall trends in ED presentations, admissions, and mortality is also largely unexplored, yet this information will be essential in anticipating the future needs of the EGS workforce and associated distribution of resources. The objective of this study was to determine the population-level trends in ED presentations, hospital admissions, and mortality from EGS conditions over 17 years in Ontario, Canada.

Emergency General Surgery Transfer and Effect on Inpatient Mortality and Post-Discharge Emergency Department Visits: A Propensity Score Matched Analysis.

Patients undergoing emergency general surgery (EGS) and interhospital transfer (IHT) have increased mortality. Prior analyses of IHT have been limited by the inability to track post-discharge outcomes or have not included nonoperative EGS. We evaluated outcomes for IHT to our tertiary care facility compared with direct admission through the emergency department. Patients admitted directly (2015 to 2017) with a common EGS diagnosis (appendicitis, cholecystitis, choledocholithiasis, small bowel obstruction, and diverticulitis) were propensity score matched to patients transferred from another acute care hospital. Propensity score matching (PSM) was performed using patient characteristics, EGS diagnosis, comorbidities, and surgical critical care consultation. The primary outcome was inpatient mortality, and secondary outcomes were length of stay (LOS) 30-day hospital readmission. We identified 3,153 directly admitted patients and 1,272 IHT patients. IHT patients were older (mean 59.4 vs 51.5 years), had a higher Charlson comorbidity index (median 3 vs 1), White race (72% vs 49%), and BMI greater than 40 kg/m2 (11.6% vs 9.8%). After PSM, each group included 1,033 patients. IHT patients had a higher median LOS (5.5 days vs 3.8, p < 0.001), higher inpatient mortality (odds ratio [OR] 1.69, p = 0.03), and more complications (OR 1.57, p < 0.001). The rate of post-discharge 30-day hospital encounters was similar (OR 1.08, p = 0.460). However, IHT patients had more emergency department encounters (OR 1.35, p = 0.04) and fewer observation-status readmissions (OR 0.53, p = 0.01). After PSM to reduce confounding variables, patients with common EGS diagnoses transferred to a tertiary care facility have increased inpatient morbidity and mortality. The increased morbidity and resource utilization for these patients extends beyond the index hospital stay.

The physiology of failure: Identifying risk factors for mortality in emergency general surgery patients using a regional health system integrated electronic medical record.

Emergency general surgery (EGS) patients have increased mortality risk compared with elective counterparts. Recent studies on risk factors have largely used national data sets limited to administrative data. Our aim was to examine risk factors in an integrated regional health system EGS database, including clinical and administrative data, hypothesizing that this novel process would identify clinical variables as important risk factors for mortality. Our nine-hospital health system's billing data were queried for EGS International Classification of Disease codes between 2013 and 2018. Codes were grouped by diagnosis, and urgent or emergent encounters were included and merged with electronic medical record clinical data. Outcomes assessed were inpatient and 1-year mortality. Standard and multivariable statistics evaluated factors associated with mortality. There were 253,331 EGS admissions with 3.6% inpatient mortality rate. Patients who suffered inpatient and 1-year mortality were older, more likely to be underweight, and have neutropenia or elevated lactate. On multivariable analysis for inpatient mortality: age (odds ratio [OR], 1.7-6.7), underweight body mass index (OR, 1.6), transfer admission (OR, 1.8), leukopenia (OR, 2.0), elevated lactate (OR, 1.8), and ventilator requirement (OR, 7.1) remained associated with increased risk. Adjusted analysis for 1-year mortality demonstrated similar findings, with highest risk associated with older age (OR, 2.8-14.6), underweight body mass index (OR, 2.3), neutropenia (OR, 2.0), and tachycardia (OR, 1.7). After controlling for patient and disease characteristics available in administrative databases, clinical variables remained significantly associated with mortality. This novel yet simple process allows for easy identification of clinical data points imperative to the study of EGS diagnoses that are critical in understanding factors that impact mortality. Prognostic and Epidemiologic; Level III.

A National Evaluation of Ambulatory Surgery Utilization Among Emergency General Surgery and Trauma Patients

Introduction: Ambulatory Surgery Centers (ASCs) are increasingly prevalent in the United States. Acute Care Surgery (ACS) patients — defined as emergency general surgery (EGS) and trauma patients — comprise 20% of the inpatient population and 25% of total inpatient costs, but the volume of outpatient ACS procedures has not been characterized. We quantified the national burden and costs of ACS procedures occurring in ASCs. Methods: We queried the 2017 Nationwide Ambulatory Surgery Sample (NASS), a newly-released national all-payer ambulatory surgery database. We included patients ≥18 years with EGS or trauma as defined by the International Classification of Diseases, 10th Revision, Clinical Modification (ICD-10-CM) codes. The primary outcome was total charges;the secondary outcome was discharge disposition. Results: Among 9 million ambulatory surgery patients, 772,484 (8.2%) had an EGS diagnosis and 1,073,734 (11.4%) had a trauma diagnosis. Total costs for ACS patients were $38.3 billion, or 18.0% of outpatient surgical costs. EGS patients had higher rates of routine discharge home than trauma patients (99.4% vs. 98.0%, p<0.001);remaining patients required transfer to inpatient hospitals. Patients most likely to be discharged home included those with cholecystitis (aOR 3.7), hernia surgery (aOR 4.4), self-pay patients (aOR 2.1), and those treated at urban hospitals (aOR 1.6) (p<0.001). Conclusion: ACS patients comprise 20% of the outpatient surgical population and 18% of ASC costs. The growing importance of ASCs is highlighted by the COVID-19 pandemic, suggesting an opportunity to conserve inpatient resources and relocate additional ACS procedures to the outpatient setting.

General surgeon involvement in the care of patients designated with an American Association for the Surgery of Trauma-endorsed ICD-10-CM emergency general surgery diagnosis code in Wisconsin.

The current national burden of emergency general surgery (EGS) illnesses and the extent of surgeon involvement in the care of these patients remain largely unknown. To inform needs assessments, research, and education, we sought to: (1) translate previously developed International Classification of Diseases (ICD), 9th Revision, Clinical Modification (ICD-9-CM) diagnosis codes representing EGS conditions to ICD 10th Revision, CM (ICD-10-CM) codes and (2) determine the national burden of and assess surgeon involvement across EGS conditions. We converted ICD-9-CM codes to candidate ICD-10-CM codes using General Equivalence Mappings then iteratively refined the code list. We used National Inpatient Sample 2016 to 2017 data to develop a national estimate of the burden of EGS disease. To evaluate surgeon involvement, using Wisconsin Hospital Association discharge data (January 1, 2016 to June 30, 2018), we selected adult urgent/emergent encounters with an EGS condition as the principal diagnosis. Surgeon involvement was defined as a surgeon being either the attending provider or procedural physician. Four hundred and eighty-five ICD-9-CM codes mapped to 1,696 ICD-10-CM codes. The final list contained 985 ICD-10-CM codes. Nationally, there were 2,977,843 adult patient encounters with an ICD-10-CM EGS diagnosis. Of 94,903 EGS patients in the Wisconsin Hospital Association data set, most encounters were inpatient as compared with observation (75,878 [80.0%] vs. 19,025 [20.0%]). There were 57,780 patients (60.9%) that underwent any procedure. Among all Wisconsin EGS patients, most had no surgeon involvement (64.9% [n = 61,616]). Of the seven most common EGS diagnoses, surgeon involvement was highest for appendicitis (96.0%) and biliary tract disease (77.1%). For the other five most common conditions (skin/soft tissue infections, gastrointestinal hemorrhage, intestinal obstruction/ileus, pancreatitis, diverticular disease), surgeons were involved in roughly 20% of patient care episodes. Surgeon involvement for EGS conditions ranges from highly likely (appendicitis) to relatively unlikely (skin/soft tissue infections). The wide range in surgeon involvement underscores the importance of multidisciplinary collaboration in the care of EGS patients. Prognostic/epidemiological, Level III.

Emergency General Surgery Regionalization: Retrospective Cohort Study of Emergency General Surgery Patients at a Tertiary Care Center.

Emergency general surgery (EGS) patients presenting at tertiary care hospitals may bypass local hospitals with adequate resources. However, many tertiary care hospitals frequently operate at capacity. We hypothesized that understanding patient geographic origin could identify opportunities for enhanced system triage and optimization and be an important first step for EGS regionalization and care coordination that could potentially lead to improved utilization of resources. We analyzed patient zip code and categorized EGS patients who were cared for at our tertiary care hospital as potentially divertible if the southern region hospital was geographically closer to their home, regional hospital admission (RHA) patients, or local admission (LA) patients if the tertiary care facility was closer. Baseline characteristics and outcomes were compared for RHA and LA patients. Of 14714 EGS patients presenting to the tertiary care hospital, 30.2% were categorized as RHA patients. Overall, 1526 (10.4%) patients required an operation including 527 (34.5%) patients who were potentially divertible. Appendectomy and cholecystectomy comprised 66% of the operations for potentially divertible patients. Length of stay was not significantly different (P = .06) for RHA patients, but they did have lower measured short-term and long-term mortality when compared to their LA counterparts (P < .05). EGS diagnoses and patient geocode analysis can identify opportunities to optimize regional operating room and bed utilization. Understanding where EGS patients are cared for and factors that influenced care facility will be critical for next steps in developing EGS regionalization within our system.

Long-term survival in high-risk older adults following emergency general surgery admission.

Emergency general surgery (EGS) conditions are increasingly common among nursing home residents. While such patients have a high risk of in-hospital mortality, long-term outcomes in this group are not well described, which may have implications for goals of care discussions. In this study, we evaluate long-term survival among nursing home residents admitted for EGS conditions. We performed a population-based, retrospective cohort study of nursing home residents (65 years or older) admitted for one of eight EGS diagnoses (appendicitis, cholecystitis, strangulated hernia, bowel obstruction, diverticulitis, peptic ulcer disease, intestinal ischemia, or perforated viscus) from 2006 to 2018 in a large regional health system. The primary outcome was 1-year survival. To ascertain the effect of EGS admission independent of baseline characteristics, patients were matched to nursing home residents without an EGS admission based on demographics and baseline health. Kaplan-Meier analysis was used to evaluate survival across groups. A total of 7,942 nursing home residents (mean age, 85 years) were admitted with an EGS diagnosis and matched to controls. One quarter of patients underwent surgery, and 18% died in hospital. At 1 year, 55% of cases were alive, compared with 72% of controls (p < 0.001). Among those undergoing surgery, 61% were alive at 1 year, compared with 72% of controls (p < 0.001). The 1-year survival probability was 57% in patients who did not require mechanical ventilation, 43% in those who required 1 to 2 days of ventilation, and 30% in those who required ≥3 days of ventilation. Although their risk of in-hospital mortality is high, most nursing home residents admitted for an EGS diagnosis survive at least 1 year. While nursing home residents presenting with an EGS diagnosis should be cited realistic odds for the risk of death, long-term survival is achievable in the majority of these patients. Epidemiological, level III.

The hidden burden of unplanned readmission after emergency general surgery.

There are no national studies of nonelective readmissions after emergency general surgery (EGS) diagnoses that track nonindex hospital readmission. We sought to determine the rate of overall and nonindex hospital readmissions at 30 and 90 days after discharge for EGS diagnoses, hypothesizing a significant portion would be to nonindex hospitals. The 2013 to 2014 Nationwide Readmissions Database was queried for all patients 16 years or older admitted with an EGS primary diagnosis and survived index hospitalization. Multivariable logistic regression identified risk factors for nonelective 30- and 90-day readmission to index and nonindex hospitals. Of 4,171,983 patients, 13% experienced unplanned readmission at 30 days. Of these, 21% were admitted to a nonindex hospital. By 90 days, 22% experienced an unplanned readmission, of which 23% were to a nonindex hospital. The most common reason for readmission was infection. Publicly insured or uninsured patients accounted for 67% of admissions and 77% of readmissions. Readmission predictors at 30 days included leaving against medical advice (odds ratio [OR], 2.51 [2.47-2.56]), increased length of stay (4-7 days: OR, 1.42 [1.41-1.43]; >7 days: OR, 2.04 [2.02-2.06]), Charlson Comorbidity Index ≥2 (OR, 1.72 [1.71-1.73]), public insurance (Medicare: OR, 1.45 [1.44-1.46]; Medicaid: OR, 1.38 [1.37-1.40]), EGS patients who fell into the "Other" surgical category (OR, 1.42 [1.38-1.48]), and nonroutine discharge. Risk factors for readmission remained consistent at 90 days. Given that nonindex hospital EGS readmission accounts for nearly a quarter of readmissions and often related to important benchmarks such as infection, current EGS quality metrics are inaccurate. This has implications for policy, benchmarking, and readmission reduction programs. Epidemiological study, level III.

Surgical Diseases are Common and Complicated for Criminal Justice Involved Populations

At any given time, almost 2 million individuals are in prisons or jails in the United States. Incarceration status has been associated with disproportionate rates of cancer and infectious diseases. However, little is known about the burden emergency general surgery (EGS) in criminal justice involved (CJI) populations. The California Office of Statewide Health Planning and Development (OSHPD) database was used to evaluate all hospital admissions with common EGS diagnoses in CJI persons from 2012-2014. The population of CJI individuals in Californiawas determined using United States Bureau of Justice Statistics data. Primary outcomes were rates of admission and procedures for five common EGS diagnoses, while the secondary outcome was probability of complex presentation. A total of 4,345 admissions for CJI patients with EGS diagnoses were identified. The largest percentage of EGS admissions were with peptic ulcer disease (41.0%), followed by gallbladder disease (27.5%), small bowel obstruction (14.0%), appendicitis (13.8%), and diverticulitis (10.5%). CJI patients had variable probabilities of receipt of surgery depending on condition, ranging from 6.2% to 90.7%. 5.6% to 21.0% of admissions presented with complicated disease, the highest being with peptic ulcer disease and appendicitis. Admissions with EGS diagnoses were common and comparable to previously published rates of disease in general population. CJI individuals had high rates of complicated presentation, but low rates of surgical intervention. More granular evaluation of the burden and management of these common, morbid, and costly surgical diagnoses is essential for ensuring timely and quality care delivery for this vulnerable population.

Do surgical emergencies stay at home? Observations from the first United States Coronavirus epicenter.

During the coronavirus disease 2019 pandemic, New York instituted a statewide stay-at-home mandate to lower viral transmission. While public health guidelines advised continued provision of timely care for patients, disruption of safety-net health care and public fear have been proposed to be related to indirect deaths because of delays in presentation. We hypothesized that admissions for emergency general surgery (EGS) diagnoses would decrease during the pandemic and that mortality for these patients would increase. A multicenter observational study comparing EGS admissions from January to May 2020 to 2018 and 2019 across 11 NYC hospitals in the largest public health care system in the United States was performed. Emergency general surgery diagnoses were defined using International Classification Diseases, Tenth Revision, codes and grouped into seven common diagnosis categories: appendicitis, cholecystitis, small/large bowel, peptic ulcer disease, groin hernia, ventral hernia, and necrotizing soft tissue infection. Baseline demographics were compared including age, race/ethnicity, and payor status. Outcomes included coronavirus disease (COVID) status and mortality. A total of 1,376 patients were admitted for EGS diagnoses from January to May 2020, a decrease compared with both 2018 (1,789) and 2019 (1,668) (p < 0.0001). This drop was most notable after the stay-at-home mandate (March 22, 2020; week 12). From March to May 2020, 3.3%, 19.2%, and 6.0% of EGS admissions were incidentally COVID positive, respectively. Mortality increased in March to May 2020 compared with 2019 (2.2% vs. 0.7%); this difference was statistically significant between April 2020 and April 2019 (4.1% vs. 0.9%, p = 0.045). Supporting our hypothesis, the coronavirus disease 2019 pandemic and subsequent stay-at-home mandate resulted in decreased EGS admissions between March and May 2020 compared with prior years. During this time, there was also a statistically significant increase in mortality, which peaked at the height of COVID infection rates in our population. Epidemiological, level IV.