Phospholipid Screening Postcardiac Arrest Detects Decreased Plasma Lysophosphatidylcholine: Supplementation as a New Therapeutic Approach.

OBJECTIVES: Cardiac arrest and subsequent resuscitation have been shown to deplete plasma phospholipids. This depletion of phospholipids in circulating plasma may contribute to organ damage postresuscitation. Our aim was to identify the diminishment of essential phospholipids in postresuscitation plasma and develop a novel therapeutic approach of supplementing these depleted phospholipids that are required to prevent organ dysfunction postcardiac arrest, which may lead to improved survival. DESIGN: Clinical case control study followed by translational laboratory study. SETTING: Research institution. PATIENTS/SUBJECTS: Adult cardiac arrest patients and male Sprague-Dawley rats. INTERVENTIONS: Resuscitated rats after 10-minute asphyxial cardiac arrest were randomized to be treated with lysophosphatidylcholine specie or vehicle. MEASUREMENTS AND MAIN RESULTS: We first performed a phospholipid survey on human cardiac arrest and control plasma. Using mass spectrometry analysis followed by multivariable regression analyses, we found that plasma lysophosphatidylcholine levels were an independent discriminator of cardiac arrest. We also found that decreased plasma lysophosphatidylcholine was associated with poor patient outcomes. A similar association was observed in our rat model, with significantly greater depletion of plasma lysophosphatidylcholine with increased cardiac arrest time, suggesting an association of lysophosphatidylcholine levels with injury severity. Using a 10-minute cardiac arrest rat model, we tested supplementation of depleted lysophosphatidylcholine species, lysophosphatidylcholine(18:1), and lysophosphatidylcholine(22:6), which resulted in significantly increased survival compared with control. Furthermore, the survived rats treated with these lysophosphatidylcholine species exhibited significantly improved brain function. However, supplementing lysophosphatidylcholine(18:0), which did not decrease in the plasma after 10-minute cardiac arrest, had no beneficial effect. CONCLUSIONS: Our data suggest that decreased plasma lysophosphatidylcholine is a major contributor to mortality and brain damage postcardiac arrest, and its supplementation may be a novel therapeutic approach.

Passive transfer of SARS-CoV-2 antibodies with platelet transfusions.

BACKGROUND: Although over 5000 platelet transfusions occur daily in the United States, the presence of SARS-CoV-2 antibodies in platelet units is not commonly evaluated for. The effects of platelet transfusions with SARS-CoV-2 antibodies remain largely unknown. We evaluated single-donor (apheresis) platelet units for SARS-CoV-2 antibodies and determined if platelet transfusions passively transferred antibodies to seronegative recipients. STUDY DESIGN AND METHODS: We conducted a retrospective analysis as part of a quality assurance initiative during February to March 2021 at a tertiary referral academic center in suburban New York. Platelet units and platelet recipients were evaluated for the presence of SARS-CoV-2 antibodies using the DiaSorin LIASON SARS-CoV-2 S1/S2 IgG assay. There were 47 platelet recipients eligible for study inclusion. The primary outcome was the presence of SARS-CoV-2 spike protein IgG antibodies in the recipient's blood after platelet transfusion. RESULTS: Twenty-three patients received platelets with SARS-CoV-2 spike protein IgG antibodies; 13 recipients had detection of SARS-COV-2 antibodies (56.5%), and 10 recipients did not. The median antibody titer in the platelet units given to the group with passive antibodies detected was significantly higher compared to the median antibody titer in the platelet units given to the group without antibodies detected (median [interquartile range]: 306 AU/ml [132, 400] vs. 96.1 AU/ml [30.6, 186], p = .027). CONCLUSIONS: Our study demonstrated a significant rate of passive transfer of SARS-CoV-2 spike protein IgG antibodies through platelet transfusions. Considering the volume of daily platelet transfusions, this is something all clinicians should be aware of.

Predictors of Emergency Department Opioid Use Among Adolescents and Young Adults.

OBJECTIVE: It is well established that adolescents and young adults are increasingly vulnerable to the effects of early opioid exposures, with the emergency department (ED) playing a critical role in such introduction. Our objective was to identify predictors of ED opioid administration (ED-RX) and prescribing at discharge (DC-RX) among adolescent and young adults using a machine learning approach. METHODS: We conducted a secondary analysis of ED visit data from the National Hospital Ambulatory Medical Care Survey from 2014 to 2018. Visits where patients were aged 10 to 24 years were included. Predictors of ED-RX and DC-RX were identified via machine learning methods. Separate weighted logistic regressions were performed to determine the association between each predictor, and ED-RX and DC-RX, respectively. RESULTS: There were 12,693 ED visits identified within the study time frame, with the majority being female (58.6%) and White (70.7%). Approximately 12.3% of all visits were administered an opioid during the ED visit, and 11.5% were prescribed one at discharge. For ED-RX, the strongest predictors were fracture injury (odds ratio [OR], 5.24; 95% confidence interval [CI], 3.73-7.35) and Southern geographic region (OR, 3.01; 95% CI, 2.14-4.22). The use of nonopioid analgesics significantly reduced the odds of ED-RX (OR, 0.46; 95% CI, 0.37-0.57). Fracture injury was also a strong predictor of DC-RX (OR, 5.91; 95% CI, 4.24-8.25), in addition to tooth pain (OR, 5.47; 95% CI, 3.84-7.69). CONCLUSIONS: Machine learning methodologies were able to identify predictors of ED-RX and DC-RX, which can be used to inform ED prescribing guidelines and risk mitigation efforts among adolescents and young adults.

Patterns of negative seroconversion in ongoing surveys of SARS-CoV-2 antibodies among workers in New York's largest healthcare system.

OBJECTIVES: Given the importance of continued COVID-19 surveillance, our objective was to present findings from a short follow-up survey of workforce SARS-CoV-2 antibody testing in previously seropositive participants and describe associations between work locations and negative seroconversion. METHODS: We conducted a follow-up cross-sectional survey on previously seropositive healthcare workers, using questionnaires and serology testing. Eligible employees previously consented to be contacted were invited by email to participate in a survey and laboratory blood draws. SAS V.9.4 was used to describe employee characteristics and seroconversion status. Binomial regression models were used to calculate unadjusted and adjusted prevalence ratios (PRs) of seronegativity. The multivariable analyses included age, gender, race/ethnicity, region of residence, work location, prior diagnosis/PCR results and days between antibody tests. Unadjusted and adjusted PRs 95% CIs and p values were reported. RESULTS: Of the 3990 employees emailed in the follow-up, 1631 completed an exposure survey and generated a blood-draw requisition form. Average time between serology testing was 4 months. Of the 955 employees with complete serology results, 79.1% were female, 53.4% were white and 46.4% resided in Long Island; 176 participants seroconverted to negative. In multivariable regression analyses adjusted for gender, race/ethnicity and region of residence, younger employees (<20-30 years), intensive care unit workers and those with no/negative prior PCR results were more likely to have negative seroconversion. CONCLUSIONS AND RELEVANCE: Patterns of negative seroconversion showed significant differences by sociodemographic and workplace characteristics. These results contribute information to workplace serosurveillance.

Predictors of emergency department opioid administration and prescribing: A machine learning approach.

INTRODUCTION: The opioid epidemic has altered normative clinical perceptions on addressing both acute and chronic pain, particularly within the Emergency Department (ED) setting, where providers are now confronted with balancing pain management and potential abuse. This study aims to examine patient sociodemographic and ED clinical characteristics to comprehensively determine predictors of opioid administration during an ED visit (ED-RX) and prescribing upon discharge (DC-RX). METHODS: ED visit data of patients ≥18 years old from the National Hospital Ambulatory Medical Care Survey (NHAMCS) from 2014 to 2017 were used. Opioid prescriptions were determined utilizing Lexicon narcotic drug classifications. Visit characteristics studied included sociodemographic variables, and ED clinical variables, such as chief complaint, and discharge diagnosis. Machine learning methods were used to determine predictors of ED-RX and DC-RX and weighted logistic regressions were performed using selected predictors. RESULTS: Of the 44,227 ED visits identified, patients tended to be female (57.4%), and White (74.2%) with an average age of 46.4 years (SE = 0.3). Weighted proportions of ED-RX and DC-RX were 23.2% and 18.9%, respectively. The strongest predictors of ED-RX were CT scan ordered (OR = 2.18, 95% CI = 1.84-2.58), abdominal pain (OR = 1.93, 95% CI:1.59-2.34) and back pain (OR = 1.81, 95% CI:1.45-2.27). Tooth pain (OR = 6.94, 95% CI = 4.40-10.94) and fracture injury diagnoses (OR = 3.76, 95% CI = 2.72-5.19) were the strongest predictors of DC-RX. CONCLUSIONS: These findings demonstrate the utility of machine learning for understanding clinical predictors of opioid administration and prescribing in the ED, and its potential in informing standardized prescribing recommendations and guidelines.

Identifying patterns of failure and secondary primary malignancies in HPV-related oropharyngeal squamous cell carcinomas.

Aim: To compare patterns and rates of recurrence in patients with oropharyngeal squamous cell carcinoma by human papilloma virus (HPV) status. Patients & methods: Retrospective chart review of 155 patients diagnosed with oropharyngeal squamous cell carcinoma between 2012 and 2014 at a single center. Results: Two-year recurrence-free survival was higher in patients with HPV-positive tumors compared with negative (85.2% [standard error = 0.03] versus 59.3% [standard error = 0.09]; p < .001) with the former proportionally less likely to have locoregional recurrence. HPV-positive patients had proportionally higher incidence of second primary malignancies outside of head, neck and lung compared with HPV-negative (74.2 vs 37.5%; p = 0.09). Conclusion: The differences in failure by HPV status indicates a need for modified surveillance guidelines. The differences in second primary malignancies patterns are interesting, warranting further evaluation in larger studies.

Differential effect of Hurricane Sandy exposure on PTSD symptom severity: comparison of community members and responders.

OBJECTIVES: To evaluate whether the association between Hurricane Sandy exposures and post-traumatic stress disorder (PTSD) symptom severity was greater for exposed community members compared with responders. METHODS: Data were analysed from three existing studies with similar methodologies (N=1648): two community studies, Leaders in Gathering Hope Together (n=531) and Project Restoration (n=763); and the Sandy/World Trade Center Responders Study (n=354). Sandy-related PTSD symptoms were measured using the PTSD checklist-specific traumatic event and dichotomised as elevated (>30) versus low/no (<30) PTSD symptoms. Sandy exposures were measured with a summed checklist. Multivariable logistic regression was performed to evaluate the differential effect of exposures on PTSD by responder status, adjusting for demographics and time elapsed since Sandy. RESULTS: Responders were somewhat older (50.5 years (SD=8.3) vs 45.8 years (SD=20.0)), more likely to identify as white (92.4% vs 48.1%) and were male (90.7% vs 38.4%). Responders were less likely to have elevated PTSD symptoms than community members (8.6% vs 31.1%; adjusted OR=0.28, 95% CI 0.17 to 0.46). While exposure was significantly related to elevated PTSD status, the effects were similar for responders and community members. CONCLUSIONS: Responders appear to be more resilient to PTSD symptoms post-Sandy than community members. Understanding the mechanisms that foster such resilience can inform interventions aimed at populations that are more vulnerable to experiencing PTSD after natural disasters.

Examining Associations Between Hurricane Sandy Exposure and Posttraumatic Stress Disorder by Community of Residence.

Exposure to 2012's Hurricane Sandy differed by community across New York City and nearby Long Island, and the differential impact of exposure on mental health concerns must be studied to enhance resilience in vulnerable communities. We assessed the association between self-reported Hurricane Sandy exposure and subsequent posttraumatic stress disorder (PTSD) symptoms, obtained through validated questionnaires completed by residents of lower Manhattan (n = 1,134), Queens/Long Island (LI)/Staten Island (SI; n = 622), and the Rockaways (n = 1,011); mean assessment times were 7, 14, and 32 months post-Sandy, respectively. The median number of hurricane exposures was similar for all communities; however, Rockaways residents had a higher proportion of likely PTSD symptoms (18.8%) compared to lower Manhattan (8.0%) and Queens/LI/SI residents (5.8%). Regarding likely PTSD, there was significant interaction between total hurricane exposure and community, p = .002, and flooding and community, p = .040. Number of hurricane exposures was associated with higher odds of likely PTSD in Queens/LI/SI, AOR = 1.61, 95% CI [1.34, 1.94]; lower Manhattan, AOR = 1.43, 95% CI [1.28, 1.59]; and the Rockaways, AOR = 1.25, 95% CI [1.16, 1.35]. Flooding was associated with increased odds of likely PTSD in the Rockaways, AOR = 1.65, 95% CI [1.01, 2.69]; and Queens/LI/SI, AOR = 3.29, 95% CI [1.08, 10.00]. This study emphasizes the differential impact of hurricane exposure on subsequent PTSD symptoms in three communities affected by Hurricane Sandy. Future preparedness and recovery efforts must understand community correlates of mental health concerns to promote resilience in vulnerable communities.

Spanish Abstracts by Asociación Chilena de Estrés Traumático (ACET) Examinando las asociaciones entre la exposición al huracán Sandy y el TEPT por comunidad de residencia. EXPOSICIÓN AL HURACÁN SANDY Y TEPT POR COMUNIDAD La exposición al huracán Sandy, de 2012, difirió según la comunidad en la ciudad de Nueva York y la cercana Long Island, y el impacto diferencial de la exposición sobre las preocupaciones de salud mental debe estudiarse para mejorar la resiliencia en las comunidades vulnerables. Evaluamos la asociación entre la exposición al huracán Sandy auto reportada y los síntomas posteriores del trastorno de estrés postraumático (TEPT), obtenidos a través de cuestionarios validados completados por residentes del bajo Manhattan (n = 1,134), Queens / Long Island (LI) / Staten Island (SI; n = 622), y los Rockaways (n = 1,011); los tiempos medios de evaluación fueron 7, 14 y 32 meses respectivamente, después de Sandy. La mediana del número de exposiciones a huracanes fue similar para todas las comunidades; sin embargo, los residentes de Rockaways tuvieron una mayor proporción de síntomas probables de TEPT (18.8%) en comparación con los residentes del bajo Manhattan (8.0%) y Queens / LI / SI (5.8%). Con respecto al TEPT probable, hubo una interacción significativa entre exposición total a huracanes y comunidad, p = .002, e inundaciones y comunidad, p = .040. El número de exposiciones a huracanes se asoció con mayores probabilidades de TEPT probable en Queens / LI / SI, AOR = 1.61, IC 95% [1.34, 1.94]; Bajo Manhattan, AOR = 1.43, IC 95% [1.28, 1.59]; y los Rockaways, AOR = 1.25, IC 95% [1.16, 1.35]. Las inundaciones se asociaron con mayores probabilidades de TEPT probable en los Rockaways, AOR = 1.65, IC 95% [1.01, 2.69]; y Queens / LI / SI, AOR = 3.29, IC 95% [1.08, 10.00]. Este estudio enfatiza el impacto diferencial de la exposición al huracán en los síntomas posteriores de TEPT en tres comunidades afectadas por el huracán Sandy. Los futuros esfuerzos de preparación y recuperación deben comprender los correlatos comunitarios de las preocupaciones de salud mental para promover la resiliencia en las comunidades vulnerables.

Engagement in linkage to mental health care program in the Rockaways after Hurricane Sandy.

The Rockaways area of New York City was especially devastated by Hurricane Sandy. This study examined participant characteristics associated with acceptance of a linkage to and attendance at appointments for mental health difficulties (MHD). Participants (N = 1,011) completed questionnaires to assess mental health symptoms. Participants who met screening criteria (n = 442) were offered linkage to care. Individuals who had a higher mental health symptom burden (MHSB; i.e., those who screened in on more than one criteria vs. only one criterion) had 2.68 greater odds of accepting services (95% confidence interval [1.68, 4.26]). MHSB was not associated with attending a first appointment (p = 0.80). Female gender and Hispanic ethnicity were also associated with acceptance of linkage to care, though not attendance. Reducing stigma around MHD associated with natural disasters and increasing knowledge about the mental health care system could promote help-seeking behavior among survivors.

Evidence for the Validity of the Psychopharmacotherapy-Structured Clinical Observation Tool: Results of a Factor and Time Series Analysis.

OBJECTIVE: The Psychopharmacotherapy-Structured Clinical Observation (P-SCO) is a direct observation tool designed to assess resident performance of a medication visit. This study examines two dimensions of validity for the P-SCO: internal structure and how scores correlate with another variable associated with competence (experience). METHODS: The faculty completed 601 P-SCOs over 4 years. Multilevel exploratory factor analysis was performed with minimum thresholds for eigenvalue (≥ 1.0) and proportion of variance explained (≥ 5.0%). Internal reliability was assessed with Cronbach alpha. To examine how scores changed with experience, mean ratings (1-4 scale) were calculated for each factor by quarter of the academic year. Separate linear mixed models were also performed. RESULTS: The analysis yielded three factors that explained 50% of the variance and demonstrated high internal reliability: affective tasks (alpha = 0.90), cognitive tasks (alpha = 0.84), and hard tasks (alpha = 0.74). Items within "hard tasks" were assessment of substance use, violence risk, and adherence, and inquiry about interactions with other providers. Monitoring adverse effects did not load on the hard task factor but also had overall low mean ratings. Compared to the first quarter, fourth quarter scores for affective tasks (b = 0.54, p < 0.01) and hard tasks (b = 0.46, p = 0.02) were significantly improved while cognitive tasks had a non-significant increase. For the hard tasks, the proportion of residents with a low mean rating improved but was still over 30% during the fourth quarter. CONCLUSIONS: The results provide evidence for the validity of the P-SCO with respect to its internal structure and how scores correlate with experience. Curricular implications are explored, especially for the tasks that were hard to learn.

Anesthetic Care for Orthopedic Patients: Is There a Potential for Differences in Care?

BACKGROUND: Differences in health care represent a major health policy issue. Despite increasing evidence on the mediating role of anesthesia type used for surgery on perioperative outcome, there is a lack of data on potential care differences in this field. The authors aimed to determine whether anesthesia practice (use of neuraxial anesthesia [NA] or peripheral nerve block [PNB]) differs by patient and hospital factors. METHODS: The authors extracted data on n = 1,062,152 hip and knee arthroplasty procedures from the Premier Perspective database (2006 to 2013). Multilevel multivariable logistic regression models measured associations (odds ratios [ORs] and 95% CIs) between patient/hospital factors and NA or PNB use. RESULTS: Of all patients, 22.2% (n = 236,083) received NA and 17.9% (n = 189,732) received PNB. Lower adjusted odds for receiving NA were seen for black patients (OR, 0.88; 95% CI, 0.86 to 0.91) and those on Medicaid (OR, 0.78; 95% CI, 0.74 to 0.82) or without insurance (OR, 0.89; 95% CI, 0.81 to 0.98). Furthermore, teaching hospitals (compared with nonteaching hospitals) had lower adjusted odds for NA utilization (OR, 0.35; 95% CI, 0.14 to 0.89). Although generally similar patterns were seen for PNB utilization, the main difference was that particularly Hispanic patients were less likely to receive PNB compared with white patients (OR, 0.60; 95% CI, 0.56 to 0.65). Sensitivity analyses generally validated our results. CONCLUSIONS: Significant differences exist in the provision of regional anesthetic care with factors such as race and insurance type being important determinants of anesthetic practice. Further and in-depth research is needed to fully assess the background of these differences.

Anesthesia type and perioperative outcome: open colectomies in the United States.

BACKGROUND: Adding neuraxial to general anesthesia (GA) has been associated with improved perioperative outcome after orthopedic surgery. Presuming a similar effect in major abdominal surgery we studied its effect on perioperative outcome in open colectomy patients. MATERIALS AND METHODS: Retrospective study using the Premier Perspective database (n = 98,290 elective open colectomies, 2006-2012). Multilevel multivariable logistic regression models measured the association between anesthesia type (GA or general and neuraxial anesthesia combined [GNA]) and perioperative outcome with odds ratios (OR) and 95% confidence intervals (CI). Outcomes were thromboembolism, acute myocardial infarction, postoperative infection, postoperative ileus, cerebrovascular events, blood transfusion, admission to an intensive care unit, and mechanical ventilation. RESULTS: GA was used in 93.9%, GNA in 6.1%, with a similar Charlson comorbidity index between the groups (2.66 versus 2.72, respectively; P = 0.121). The multivariable analyses showed GNA (versus GA) to be associated with a significantly decreased risk for thromboembolism (OR 0.74; CI 0.58-0.93) and cerebrovascular events (OR 0.67; CI 0.51-0.88), whereas the association was nonsignificant for wound infections, pneumonia, and mechanical ventilation. However, GNA use was significantly associated with increased risk for acute myocardial infarction (OR 2.74; CI 2.19-3.43), urinary tract infection (OR 1.35; CI 1.21-1.50), postoperative ileus (OR 1.17; CI 1.09-1.26), blood transfusion (OR 1.12; CI 1.01-1.24), and admission to intensive care unit (OR 1.32; CI 1.22-1.43). CONCLUSIONS: We found no clear pattern of consistent favorable results for patients undergoing their open colectomy under GNA. Further prospective research is needed to help identify those who are more likely to benefit from GNA use and its mechanism of actions.

Inpatient falls after total knee arthroplasty: the role of anesthesia type and peripheral nerve blocks.

BACKGROUND: Much controversy remains on the role of anesthesia technique and peripheral nerve blocks (PNBs) in inpatient falls (IFs) after orthopedic procedures. The aim of the study is to characterize cases of IFs, identify risk factors, and study the role of PNB and anesthesia technique in IF risk in total knee arthroplasty patients. METHODS: The authors selected total knee arthroplasty patients from the national Premier Perspective database (Premier Inc., Charlotte, NC; 2006-2010; n = 191,570, >400 acute care hospitals). The primary outcome was IF. Patient- and healthcare system-related characteristics, anesthesia technique, and presence of PNB were determined for IF and non-IF patients. Independent risk factors for IFs were determined by using conventional and multilevel logistic regression. RESULTS: Overall, IF incidence was 1.6% (n = 3,042). Distribution of anesthesia technique was 10.9% neuraxial, 12.9% combined neuraxial/general, and 76.2% general anesthesia. PNB was used in 12.1%. Patients suffering IFs were older (average age, 68.9 vs. 66.3 yr), had higher comorbidity burden (average Deyo index, 0.77 vs. 0.66), and had more major complications, including 30-day mortality (0.8 vs. 0.1%; all P < 0.001). Use of neuraxial anesthesia (IF incidence, 1.3%; n = 280) had lower adjusted odds of IF compared with adjusted odds of IF with the use of general anesthesia alone (IF incidence, 1.6%; n = 2,393): odds ratio, 0.70 (95% CI, 0.56-0.87). PNB was not significantly associated with IF (odds ratio, 0.85 [CI, 0.71-1.03]). CONCLUSIONS: This study identifies several risk factors for IF in total knee arthroplasty patients. Contrary to common concerns, no association was found between PNB and IF. Further studies should determine the role of anesthesia practices in the context of fall-prevention programs.

The impact of sleep apnea on postoperative utilization of resources and adverse outcomes.

BACKGROUND: Despite the concern that sleep apnea (SA) is associated with increased risk for postoperative complications, a paucity of information is available regarding the effect of this disorder on postoperative complications and resource utilization in the orthopedic population. With an increasing number of surgical patients suffering from SA, this information is important to physicians, patients, policymakers, and administrators alike. METHODS: We analyzed hospital discharge data of patients who underwent total hip or knee arthroplasty in approximately 400 U.S. Hospitals between 2006 and 2010. Patient, procedure, and health care system-related demographics and outcomes such as mortality, complications, and resource utilization were compared among groups. Multivariable logistic regression models were fit to assess the association between SA and various outcomes. RESULTS: We identified 530,089 entries for patients undergoing total hip and knee arthroplasty. Of those, 8.4% had a diagnosis code for SA. In the multivariate analysis, the diagnosis of SA emerged as an independent risk factor for major postoperative complications (OR 1.47; 95% confidence interval [CI], 1.39-1.55). Pulmonary complications were 1.86 (95% CI, 1.65-2.09) times more likely and cardiac complications 1.59 (95% CI, 1.48-1.71) times more likely to occur in patients with SA. In addition, SA patients were more likely to receive ventilatory support, use more intensive care, stepdown and telemetry services, consume more economic resources, and have longer lengths of hospitalization. CONCLUSIONS: The presence of SA is a major clinical and economic challenge in the postoperative period. More research is needed to identify SA patients at risk for complications and develop evidence-based practices to aid in the allocation of clinical and economic resources.

Peripheral nerve blocks in shoulder arthroplasty: how do they influence complications and length of stay?

BACKGROUND: Regional anesthesia has proven to be a highly effective technique for pain control after total shoulder arthroplasty. However, concerns have been raised about the safety of upper-extremity nerve blocks, particularly with respect to the incidence of perioperative respiratory and neurologic complications, and little is known about their influence, if any, on length of stay after surgery. QUESTIONS/PURPOSES: Using a large national cohort, we asked: (1) How frequently are upper-extremity peripheral nerve blocks added to general anesthesia in patients undergoing total shoulder arthroplasty? (2) Are there differences in the incidence of and adjusted risk for major perioperative complications and mortality between patients receiving general anesthesia with and without nerve blocks? And (3) does resource utilization (blood product transfusion, intensive care unit admission, length of stay) differ between groups? METHODS: We searched a nationwide discharge database for patients undergoing total shoulder arthroplasty under general anesthesia with or without addition of a nerve block. Groups were compared with regard to demographics, comorbidities, major perioperative complications, and length of stay. Multivariable logistic regressions were performed to measure complications and resource use. A negative binomial regression was fitted to measure length of stay. RESULTS: We identified 17,157 patients who underwent total shoulder arthroplasty between 2007 and 2011. Of those, approximately 21% received an upper-extremity peripheral nerve block in addition to general anesthesia. Patients receiving combined regional-general anesthesia had similar mean age (68.6 years [95% CI: 68.2-68.9 years] versus 69.1 years [95% CI: 68.9-69.3 years], p < 0.0043), a slightly lower mean Deyo (comorbidity) index (0.87 versus 0.93, p = 0.0052), and similar prevalence of individual comorbidities, compared to those patients receiving general anesthesia only. Addition of regional anesthesia was not associated with different odds ratios for complications, transfusion, and intensive care unit admission. Incident rates for length of stay were also similar between groups (incident rate ratio = 0.99; 95% CI: 0.97-1.02; p = 0.467) CONCLUSIONS: Addition of regional to general anesthesia was not associated with an increased complication profile or increased use of resources. In combination with improved pain control as known from previous research, regional anesthesia may represent a viable management option for shoulder arthroplasty. However, further research is necessary to better clarify the risk of neurologic complications. LEVEL OF EVIDENCE: Level IV, therapeutic study. See Instructions for Authors for a complete description of levels of evidence.

Blood transfusions in total hip and knee arthroplasty: an analysis of outcomes.

BACKGROUND: Various studies have raised concern of worse outcomes in patients receiving blood transfusions perioperatively compared to those who do not. In this study we attempted to determine the proportion of perioperative complications in the orthopedic population attributable to the use of a blood transfusion. METHODS: Data from 400 hospitals in the United States were used to identify patients undergoing total hip or knee arthroplasty (THA and TKA) from 2006 to 2010. Patient and health care demographics, as well as comorbidities and perioperative outcomes were compared. Multivariable logistic regression models were fitted to determine associations between transfusion, age, and comorbidities and various perioperative outcomes. Population attributable fraction (PAF) was determined to measure the proportion of outcome attributable to transfusion and other risk factors. RESULTS: Of 530,089 patients, 18.93% received a blood transfusion during their hospitalization. Patients requiring blood transfusion were significantly older and showed a higher comorbidity burden. In addition, these patients had significantly higher rates of major complications and a longer length of hospitalization. The logistic regression models showed that transfused patients were more likely to have adverse health outcomes than nontransfused patients. However, patients who were older or had preexisting diseases carried a higher risk than use of a transfusion for these outcomes. The need for a blood transfusion explained 9.51% (95% CI 9.12-9.90) of all major complications. CONCLUSIONS: Advanced age and high comorbidity may be responsible for a higher proportion of adverse outcomes in THA and TKA patients than blood transfusions.

Using a healthy snacks program on a campus with limited food access: Implications for implementing a sustainable safety net program  .

OBJECTIVE: This study explored the user experiences and satisfaction levels of students who participated in a healthy snacks program over eight months on a campus located in a food desert. PARTICIPANTS: Students at a suburban private university (N = 51). METHODS: Using a descriptive cross-sectional design, participants scanned a Quick-Response code and responded to an online questionnaire. Mixed methods analyses were conducted. RESULTS: Most participants took snacks in the morning (44.4%). Satisfaction levels were highest [Mean (Standard deviation): 6.58 (0.90) out of 7.00 = high] among those feeling stressed. Five major themes from the open-ended responses were identified: (1) Being thankful; (2) Finding snacks to be tasty; (3) Inexpensive and healthy alternatives; (4) Feeling better; and (5) Needing better and additional snacks. CONCLUSIONS: Future research is needed to assess the long-term feasibility and effectiveness of this program and develop similar programs on other college campuses located in food deserts.

Neighborhood Social Vulnerability and Premature Cardiovascular Disease in Haiti.

Importance: Higher social vulnerability is associated with premature cardiovascular disease (CVD) and mortality but is understudied in low-income countries that have both the highest magnitude of social vulnerability and a growing CVD epidemic. Objective: To evaluate the association between social vulnerability and hypertension, CVD, and CVD subtypes in Haiti as a model for similar low-income countries. Design, Setting, and Participants: This population-based cohort study used enrollment data from adults participating in the Haiti Cardiovascular Disease Cohort Study. Recruitment occurred via multistage random sampling throughout slum and urban neighborhoods in Port-au-Prince, Haiti, from March 2019 to August 2021. Data were analyzed from May 2022 to December 2023. Exposures: A modified Haitian Social Vulnerability Index (SVI-H) was created following the US Centers for Disease Control and Prevention Social Vulnerability Index method. Twelve variables across the domains of socioeconomic status, household characteristics, and social and community context were included. The SVI-H was calculated for each study neighborhood block and then stratified into SVI-H quartiles (quartile 1 was the least vulnerable; quartile 4, the most vulnerable). Main Outcomes and Measures: Prevalent hypertension and total CVD, defined as heart failure (HF), stroke, transient ischemic attack (TIA), angina, or myocardial infarction (MI). Age-adjusted Poisson regression analysis yielded prevalence ratios (PRs) comparing the prevalence of hypertension, total CVD, and CVD subtypes across SVI-H quartiles. Results: Among 2925 adults (1704 [58.3%] female; mean [SD] age, 41.9 [15.9] years), the prevalence of hypertension was 32.8% (95% CI, 31.1%-34.5%) and the prevalence of CVD was 14.7% (95% CI, 13.5%-16.0%). Hypertension prevalence ranged from 26.2% (95% CI, 23.1%-29.3%) to 38.4% (95% CI, 34.8%-42.0%) between quartiles 1 and 4, while CVD prevalence ranged from 11.1% (95% CI, 8.8%-13.3%) to 19.7% (95% CI, 16.8%-22.6%). SVI-H quartile 4 vs 1 was associated with a greater prevalence of hypertension (PR, 1.17; 95% CI, 1.02-1.34) and CVD (PR, 1.48; 95% CI, 1.16-1.89). Among CVD subtypes, SVI-H was significantly associated with HF (PR, 1.64; 95% CI, 1.23-2.18) but not with combined stroke and TIA or combined angina and MI. Conclusions and Relevance: In urban Haiti, individuals living in neighborhoods with the highest social vulnerability had greater prevalence of hypertension and HF. Understanding CVD disparities in low-income countries is essential for targeting prevention and treatment interventions toward populations at highest risk globally.

Spectrum of prevalent cardiovascular diseases in urban Port-au-Prince, Haiti: a population-based cross-sectional study.

Background: Eighty percent of global cardiovascular disease (CVD) is projected to occur in low- and middle -income countries (LMICs), yet local epidemiological data are scarce. We provide the first population-based, adjudicated CVD prevalence estimates in Port-au-Prince, Haiti to describe the spectrum of heart disease and investigate associated risk factors. Methods: Demographic, medical history, clinical, imaging and laboratory data were collected among adults recruited using multistage random sampling from 2019 to 2021. Prevalent CVD (heart failure, stroke, ischemic disease) were adjudicated using epidemiological criteria similar to international cohorts. Multivariable Poisson regressions assessed relationships between risk factors and prevalent CVD. Findings: Among 3003 participants, median age was 40 years, 58.1% were female, 70.2% reported income <1 USD/day, and all identified as Black Haitian. CVD age-adjusted prevalence was 14.7% (95% CI 13.3%, 16.5%), including heart failure (11.9% [95% CI 10.5%, 13.5%]), stroke (2.4% [95% CI 1.9%, 3.3%]), angina (2.1% [95% CI 1.6%, 2.9%]), myocardial infarction (1.0% [95% CI 0.6%, 1.8%]), and transient ischemic attack (0.4% [95% CI 0.2%, 1.0%]). Among participants with heart failure, median age was 57 years and 68.5% of cases were among women. The most common subtype was heart failure with preserved ejection fraction (80.4%). Heart failure was associated with hypertension, obesity, chronic kidney disease, depression, and stress. Interpretation: Early-onset heart failure prevalence is alarmingly high in urban Haiti and challenge modelling assumptions that ischemic heart disease and stroke dominate CVDs in LMICs. These data underscore the importance of local population-based epidemiologic data within LMICs to expedite the selection and implementation of evidence-based cardiovascular health policies targeting each country's spectrum of heart disease. Funding: This study was funded by NIH grants R01HL143788, D43TW011972, and K24HL163393, clinicaltrials.govNCT03892265.

Evidence for validity of the epidemic-pandemic impacts inventory (brief healthcare module): Internal structure and association with other variables.

The COVID-19 pandemic has subjected healthcare workers to enormous stress. Measuring the impact of this public health emergency is essential to developing strategies that can effectively promote resilience and wellness. The Epidemic-Pandemic Impacts Inventory Supplemental Healthcare Module-Brief Version (EPII-SHMb) was developed to measure impacts among occupational cohorts serving on the front lines of healthcare. While this instrument has been utilized in COVID-19 related studies, little is known about its psychometric properties. This study collects evidence for validity of the EPII-SHMb by evaluating its internal structure and how its scores associate with other variables. Physicians and nursing staff across a large New York health system were cross-sectionally surveyed using an online questionnaire between June and November 2020. Exploratory factor analysis resulted in a 3-factor solution, identifying factors Lack of Workplace Safety (7 items), Death/Dying of Patients (3 items), and Lack of Outside Support (2 items). Internal consistency was high overall and within physician/nursing and gender subgroups (Cronbach's alpha: 0.70 - 0.81). Median scores on Death/Dying of Patients were higher among those who directly cared for COVID-19 patients or worked in COVID-19 hospital units. These results are promising. Additional studies evaluating other dimensions of validity are necessary.