Health Record Review Research Articles

Prone Positioning of Ventilated Patients During Air Medical Evacuation: A Case Series

ObjectiveThe purpose of this study was to investigate patient safety implications of transporting prone-positioned mechanically ventilated patients in the air medical environment (AME). MethodsA retrospective health record review of patient encounters from 2019 to 2021 was conducted using British Columbia Emergency Health Services air medical electronic patient care reports. ResultsA total of 633 patients were identified as intubated, mechanically ventilated, and transported by British Columbia Emergency Health Services air medical teams. Ten patients were identified as having been transported in the prone position. Oxygen saturation, arterial blood oxygen levels, and carbon dioxide measurements from 8 cases indicated that patients remained stable or improved during transport. Cardiovascular episodes including hypotension and tachycardia were observed. In 2 patients, a mean 17.5% decline in oxygen saturation was identified. It could not be determined if this was a result of prone positioning during AME or due to a deteriorating physiological condition related to the patient's underlying disease. There were no identified tube dislodgments during AME transport. ConclusionAlthough proning did not compromise patient safety with respect to tube or line displacement in our study, we cannot draw definitive conclusions regarding the safety implications of proning on patient vital signs during transport.

Identifying Causes of Unscheduled Healthcare Interactions and Changes to Patient Disposition in Individuals Receiving Outpatient Commercial Bispecific Antibody Therapy in Relapsed/Refractory Multiple Myeloma (RRMM)

Introduction: Teclistamab is a BCMA targeting bispecific antibody that was FDA approved for treating relapsed/refractory multiple myeloma (RRMM) based off the results of the MajesTEC-1 trial (Usmani S, et al. Lancet 2021, Moreau P, et al. N Engl J Med 2022), and is the first bispecific antibody approved for myeloma treatment. While patients included in the MajesTEC-1 study were monitored closely per trial protocols, little is known about what patient-reported care concerns and education gaps may exist outside of a trial setting with standard of care teclistamab and whether these gaps lead to a high number of unscheduled healthcare interactions. Methods: We retrospectively analyzed patient reported symptom concerns for commercial teclistamab patients at Memorial Sloan Kettering Cancer Center (MSKCC) via review of the electronic health record for a 4-month observation period following treatment initiation. Patients were included in the study if they had a response to teclistamab (per IMWG criteria), remained on treatment for at least 4 months as of our data cut-off (07/20/2023), and did not have evidence of disease progression during the observation period. Collected data included all unscheduled healthcare visits, including urgent care visits, emergency room visits, and hospital admissions. We also evaluated all outpatient communications, including telephone calls to physicians' offices and messages sent to physicians' offices through MSKCC's online patient portal. The total observation period included the first 4 months of therapy, during which patients were scheduled to receive treatment weekly and be seen by their physicians at regular 4-week intervals. Results: We identified 52 patients treated with teclistamab at our center as of the data cut-off, 19 of which met our inclusion criteria. Of note, this population had poorer performance status (89% vs 67% ECOG ≥1) and had more heavily pretreated disease (6 vs 5 median prior lines of therapy) when compared to the MajesTEC-1 population, with the majority not being eligible for MajesTEC-1 per its criteria. Within this population, 79% of patients communicated with their physicians' offices outside of their scheduled monthly appointments, with an average of 2.3 (0-8) communications sent per patient during the 4-month observation period. The most common reason for communication was upper respiratory tract infection (URI) symptoms, accounting for 24% of all communications. Other notable reasons included gastrointestinal (GI) symptoms (20%), disease related pain (13%), injection site reactions (9%) and symptoms of volume overload (9%). Unscheduled visits included 8 urgent care (UC) visits, and 20 emergency department (ED) visits involving 11/19 patients. The 20 ED visits led to 16 inpatient admissions, not including planned admissions for step-up dosing (data summarized in Figure 1), with a median length of stay of 4 days (2-24 days). URI symptoms triggered 50% of UC visits and 40% of the ED visits not leading to inpatient admission, but only accounted for 6% of hospital admissions. The most common cause of hospital admission was a non-URI acute infection (29%). Conclusions: Our data suggest that RRMM patients being treated with outpatient teclistamab have frequent unscheduled healthcare interactions. The high prevalence of URIs in our population indicates that infection rates in this frequently hypogammaglobulinemic patient population may be underreported. However, these do not frequently lead to inpatient admissions or to significant morbidity/mortality. Overall, teclistamab patients would likely benefit from improved patient education with regards to expected side effects of therapy, with pre-existing management plans in place for URIs, GI symptoms, and injection site reactions. Applying these principles may limit excessive healthcare visits for patients, particularly in those with heavily relapsed/refractory myeloma with poor disease prognosis. Data from additional patients, including patients receiving step-up dosing as outpatients as part of a pilot study, will be presented at the meeting.

Patient perspectives on tapering biologic or targeted synthetic therapy in well-controlled rheumatoid arthritis and comparison with providers' perspectives.

We examined patient and providers' perspectives on tapering biologic or targeted synthetic disease modifying antirheumatic drugs (bDMARD or tsDMARD) in well-controlled RA to determine which factors influence their long-term treatment decisions. A standardized phone survey was administered to patients with well-controlled RA based on electronic health record review. Providers were also surveyed. Univariate and multivariable regression analysis was performed with odds ratios (OR) and 95% CI. Sixty-two patients and 11 providers completed the survey. In total, 39 (63%) patients would consider a bDMARD/tsDMARD taper. Patients were more likely to consider a taper if they thought their RA was well-controlled (OR 8.02, 95% CI 2.15-29.99, P = 0.002) and of shorter duration (OR 0.94, 95% CI 0.89-0.99, P = 0.02). Patients were less likely to consider a taper if older (OR 0.95, 95% CI 0.91-1.0, P = 0.05), if they were being treated with conventional synthetic DMARDs (OR 0.25, 95% CI 0.07-0.86, P = 0.0275) or daily glucocorticoids (OR 0.08, 95% CI 0.02-0.44, P = 0.0033). Patients' and providers' top concerns about long-term bDMARD/tsDMARD use were malignancy and infection. Their concerns about tapering were worsening pain, flare and loss of function. Patients were more likely to consider a bDMARD/tsDMARD taper than providers (63% vs 36%). Patients who have had well-controlled RA are more likely to consider tapering bDMARD/tsDMARD when not being treated with csDMARDs or glucocorticoids. Patients and providers shared similar concerns regarding long-term use and tapering of bDMARD/tsDMARD, but patients were more likely to consider a taper.

SAT115 Diabetes In Pregnancy: Evaluating Access And Usage Of Continuous Glucose Monitors (CGM) In A Medicaid Population

Abstract Disclosure: P. Chilukuri: None. J. Llanora: None. A. Schadler: None. K. Playforth: None. K. Naseman: None. Objective: Diabetes complicates up to 17% of pregnancies in the United States annually. Self-monitoring of blood glucose for diabetics requires supplies, knowledge, and support. Continuous glucose monitor (CGM) use for self-monitoring improves clinical outcomes and patient satisfaction. Despite identified benefits, patient access to CGM is variable. Identifying barriers to CGM access is important to promote health equity. Our objective was to describe CGM prevalence in a pregnant population with diabetes. Study Design: This was a single-center, retrospective observational cohort study using electronic health record review of pregnant patients with diagnoses of Type 1 Diabetes (T1DM), Type 2 Diabetes (T2DM), or gestational diabetes (GDM). Patients ages 18 to 50 years with state Medicaid insurance, for whom CGM is a covered benefit, were considered if seen in any of our institution’s obstetrics clinics within a one-year period. Type of diabetes, race/ethnicity, primary language, home county, medication use, and CGM orders were abstracted. Pearson’s Chi-square, Fisher’s exact, and independent samples t-tests were used for analysis. Results: Of 297 total patients, 7.7% (n=23) had T1DM, 22.2% (n=66) had T2DM, 68.4% (n=203) had GDM, and 1.7% (n=5) had another type. Overall, 19% (n=55) had reported CGM use. There was no difference in CGM use for non-white vs. white race (p=0.081) and urban vs. rural home county (p=0.138). Significantly less non-English speaking patients (p=0.001), Hispanic patients (p=0.026), Metformin users (p=0.03), and those not taking medications (p< 0.001) used CGM. Significantly more T1DM (p< 0.001), T2DM (p=0.007), and insulin-using patients (p<0.001) were in the CGM group. Conclusion: In patients with insurance coverage of CGM, awareness of actual usage is key. Social factors of ethnicity and primary language and clinical factors of diabetes type and medication use may affect CGM use. Obstetricians should advocate for equal CGM access for high-risk patients to improve patient outcomes and satisfaction. Presentation: Saturday, June 17, 2023

Kidney Biopsy Findings and Clinical Outcomes of US Veterans with Inflammatory Bowel Disease

Introduction: Patients with inflammatory bowel disease (IBD; ulcerative colitis [UC] and Crohn’s disease [CD]) may have unique patterns of kidney injury related to their underlying or coexisting disease or to medications. We present the kidney biopsy findings and clinical outcomes of veterans with UC or CD from the US Department of Veteran’s Affairs (VA) health system. Methods: Histopathologic and clinical data were extracted by retrospective review of the VA electronic health record of patients with IBD and a kidney biopsy between 2000 and 2018. Incident end-stage kidney disease (ESKD) was defined as requirement of kidney replacement therapy. Statistical analyses were performed using SAS. Results: A total of 140 patients (UC: 91 and CD: 49) underwent kidney biopsy. The three most common diagnoses were IgA nephropathy (17.1%), diabetic nephropathy (14.3%), and acute interstitial nephritis (9.3%). Significant interstitial fibrosis, tubular atrophy, and arteriosclerosis were present in 45% of biopsies. Twenty-six percent of patients with UC and 20% of those with CD progressed to ESKD, with a mean time from kidney biopsy of 3.1 and 1.9 years, respectively. Forty-five percent of patients with UC and 34% of those with CD died, with a mean time from kidney biopsy of 4.3 and 4.6 years, respectively. Conclusion: Among US veterans with IBD who underwent a kidney biopsy, IgA nephropathy, diabetic nephropathy, and interstitial nephritis were among the most common findings. Additionally, features of advanced kidney disease with rapid clinical progression to ESKD or death were observed. These findings suggest a delay and possibly a low rate of diagnosis.

Palliative care for persons with late-stage Alzheimer’s and related dementias and their caregivers: protocol for a randomized clinical trial

BackgroundLimited access to specialized palliative care exposes persons with late-stage Alzheimer’s disease and related dementias (ADRD) to burdensome treatment and unnecessary hospitalization and their caregivers to avoidable strain and financial burden. Addressing this unmet need, the purpose of this study was to conduct a randomized clinical trial (RCT) of the ADRD-Palliative Care (ADRD-PC) program.MethodsThe study will use a multisite, RCT design and will be set in five geographically diverse US hospitals. Lead investigators and outcome assessors will be masked. The study will use 1:1 randomization of patient-caregiver dyads, and sites will enroll N = 424 dyads of hospitalized patients with late-stage ADRD with their family caregivers. Intervention dyads will receive the ADRD-PC program of (1) dementia-specific palliative care, (2) standardized caregiver education, and (3) transitional care. Control dyads will receive publicly available educational material on dementia caregiving. Outcomes will be measured at 30 days (interim) and 60 days post-discharge. The primary outcome will be 60-day hospital transfers, defined as visits to an emergency department or hospitalization ascertained from health record reviews and caregiver interviews (aim 1). Secondary patient-centered outcomes, ascertained from 30- and 60-day health record reviews and caregiver telephone interviews, will be symptom treatment, symptom control, use of community palliative care or hospice, and new nursing home transitions (aim 2). Secondary caregiver-centered outcomes will be communication about prognosis and goals of care, shared decision-making about hospitalization and other treatments, and caregiver distress (aim 3). Analyses will use intention-to-treat, and pre-specified exploratory analyses will examine the effects of sex as a biologic variable and the GDS stage.DiscussionThe study results will determine the efficacy of an intervention that addresses the extraordinary public health impact of late-stage ADRD and suffering due to symptom distress, burdensome treatments, and caregiver strain. While many caregivers prioritize comfort in late-stage ADRD, shared decision-making is rare. Hospitalization creates an opportunity for dementia-specific palliative care, and the study findings will inform care redesign to advance comprehensive dementia-specific palliative care plus transitional care.Trial registrationClinicalTrials.gov NCT04948866. Registered on July 2, 2021.

Use of neuromuscular blockade for neck dissection and association with iatrogenic nerve injury

BackgroundCranial nerve injury is an uncommon but significant complication of neck dissection. We examined the association between the use of intraoperative neuromuscular blockade and iatrogenic cranial nerve injury during neck dissection.MethodsThis was a single-center, retrospective, electronic health record review. Study inclusion criteria stipulated patients > 18 years who had ≥ 2 neck lymphatic levels dissected for malignancy under general anesthesia with a surgery date between 2008 – 2018. Use of neuromuscular blockade during neck dissection was the primary independent variable. This was defined as any use of rocuronium, cisatracurium, or vecuronium upon anesthesia induction without reversal with sugammadex prior to surgical incision. Univariate tests were used to compare variables between those patients with, and those without, iatrogenic cranial nerve injury. Multivariable logistic regression determined predictors of cranial nerve injury and was performed incorporating Firth’s estimation given low prevalence of the primary outcome.ResultsOur cohort consisted of 925 distinct neck dissections performed in 897 patients. Neuromuscular blockade was used during 285 (30.8%) neck dissections. Fourteen instances (1.5% of surgical cases) of nerve injury were identified. On univariate logistic regression, use of neuromuscular blockade was not associated with iatrogenic cranial nerve injury (OR: 1.73, 95% CI: 0.62 – 4.86, p = 0.30). There remained no significant association on multivariable logistic regression controlling for patient age, sex, weight, ASA class, paralytic dose, history of diabetes, stroke, coronary artery disease, carotid atherosclerosis, myocardial infarction, and cardiac arrythmia (OR: 1.87, 95% CI: 0.63 – 5.51, p = 0.26).ConclusionsIn this study, use of neuromuscular blockade intraoperatively during neck dissection was not associated with increased rates of iatrogenic cranial nerve injury. While this investigation provides early support for safe use of neuromuscular blockade during neck dissection, future investigation with greater power remains necessary.

HIV/Sexually Transmitted Infection Screening and Eligibility for HIV Preexposure Prophylaxis Among Women Incarcerated in an Urban County Jail.

Incarcerated women experience high rates of HIV and sexually transmitted infections (STIs); few are offered HIV preexposure prophylaxis (PrEP). We aimed to examine HIV/STI screening rates in this population and identify PrEP eligibility. Results of Chlamydia trachomatis (CT) and Neisseria gonorrhoeae (GC) urine and HIV/syphilis screening in cisgender women in the Dallas County Jail were compiled from January to October 2020. An electronic health record review was conducted for a subgroup in March 2020 to identify PrEP eligibility. Overall, 4398 of 13,292 women were screened for CT and 4389 of 13,292 for GC, and among them, 479 (11%) screened for HIV and 562 (13%) for syphilis. Furthermore, 462 of 4398 (11%) were positive for CT, 323 of 4389 (7%) were positive for GC, 10 of 479 (2%) had positive HIV test results, of whom 6 (1.3%) were new diagnoses and 75 (13%) had a reactive rapid plasma reagin test. In March 2020, of 541 women screened, 90 tested positive for CT or GC. Of these 90, 70 (78%) did not receive HIV or syphilis screening, including women with these risk factors: 10 (14%) were homeless, 11 (16%) reported heroin use, and 10 (14%) reported methamphetamine use. Based on the presence of an acute bacterial STI, 17% (96 of 541) were PrEP eligible. Incarcerated women had high STI rates and other risk factors for HIV acquisition, although only 1 in 5 with acute STIs (11% overall) was also screened for HIV or syphilis. HIV prevention efforts should include comprehensive STI/HIV screening, linkage to treatment, and identification of PrEP candidates.

A Study Review of the Appropriateness of Oral Antibiotic Discharge Prescriptions in the Emergency Department at a Rural Hospital in Mississippi, USA.

Antimicrobial therapy in emergency departments (EDs) is usually empiric in nature. Due to workload and a goal to reduce patient wait times, providers often make rapid decisions regarding antibiotic prescriptions for discharge. A review of current empiric prescribing practices would determine the appropriateness of oral antibiotic discharge prescriptions from EDs. A single-center retrospective electronic health record review of all adult patients with an ED visit from 1 June 2019, to 30 June 2021 who received at least one oral antibiotic prescription at discharge from Baptist Memorial Hospital-Golden Triangle was conducted. The primary outcome was the assessment of appropriate antibiotic discharge prescriptions. The parameters for appropriateness included empiric drug selection, dosage, frequency, duration, and subsequent cultures and sensitivities. Of the 18,289 identified records, 421 patients were randomly sampled with 400 patients included in the final analysis. Of these, 190 (47.8%) discharge oral antibiotic prescriptions were assessed as appropriate and 209 (52.3%) discharge oral antibiotic prescriptions were assessed as inappropriate based on the guideline recommendations. With approximately half of the patients receiving discharge antibiotics that did not fully follow the guideline recommendations, there is a need for provider education, pharmacist intervention, and antimicrobial stewardship programs focusing on this practice.

Effectiveness of Medical Music Therapy Practice: Integrative Research Using the Electronic Health Record: Rationale, Design, and Population Characteristics.

Background: Several clinical trials support the efficacy of music therapy (MT) for improving outcomes in hospitalized patients, but few studies have evaluated the real-world delivery and integration of MT across multiple medical centers. This article describes the rationale, design, and population characteristics of a retrospective study examining the delivery and integration of MT within a large health system. Methods: A retrospective electronic health record (EHR) review was conducted of hospitalized patients seen by and/or referred to MT between January 2017 and July 2020. MT was provided across ten medical centers, including an academic medical center, a freestanding cancer center, and eight community hospitals. Discrete demographic, clinical, and MT treatment and referral characteristics were extracted from the EHR, cleaned, and organized using regular expressions functions, and they were summarized using descriptive statistics. Results: The MT team (average 11.6 clinical fulltime equivalent staff/year) provided 14,261 sessions to 7378 patients across 9091 hospitalizations. Patients were predominantly female (63.7%), White (54.3%) or Black/African American (44.0%), 63.7 ± 18.5 years of age at admission, and insured under Medicare (51.1%), Medicaid (18.1%), or private insurance (14.2%). Patients' hospitalizations (median length of stay: 5 days) were primarily for cardiovascular (11.8%), respiratory (9.9%), or musculoskeletal (8.9%) conditions. Overall, 39.4% of patients' hospital admissions included a mental health diagnosis, and 15.4% were referred to palliative care. Patients were referred by physicians (34.7%), nurses (29.4%), or advanced practice providers (24.7%) for coping (32.0%), anxiety reduction (20.4%), or pain management (10.1%). Therapists provided sessions to patients discharged from medical/surgical (74.5%), oncology (18.4%), or intensive care (5.8%) units. Conclusions: This retrospective study indicates that MT can be integrated across a large health system for addressing the needs of socioeconomically diverse patients. However, future research is needed to assess MT's impact on health care utilization (i.e., length of stay and rates of readmission) and immediate patient-reported outcomes.

Multi-Level Factors Associated with Relationship-Centred and Task-Focused Mealtime Practices in Long-Term Care: A Secondary Data Analysis of the Making the Most of Mealtimes Study.

Mealtimes in long-term care (LTC) can reinforce relationships between staff and residents through relationship-centred care (RCC) practices; however, meals are often task-focused (TF). This cross-sectional study explores multi-level contextual factors that contribute to RCC and TF mealtime practices. Secondary data from residents in 32 Canadian LTC homes were analyzed (n = 634; mean age 86.7 ± 7.8; 31.1% male). Data included resident health record review, standardized mealtime observation tools, and valid questionnaires. A higher average number of RCC (9.6 ± 1.4) than TF (5.6 ± 2.1) practices per meal were observed. Multi-level regression revealed that a significant proportion of variation in the RCC and TF scores was explained at the resident- (intraclass correlation coefficient [ICC]RCC = 0.736; ICCTF = 0.482), dining room- (ICCRCC = 0.210; ICCTF = 0.162), and home- (ICCRCC = 0.054; ICCTF = 0.356) levels. For-profit status and home size modified the associations between functional dependency and practices. Addressing multi-level factors can reinforce RCC practices and reduce TF practices.

Application of the albumin-bilirubin (ALBI) grade as predictive marker of atezolizumab plus bevacizumab (A+B) treatment outcomes for patients with advanced hepatocellular carcinoma (HCC): Real-world retrospective analysis at Veterans Health Administration (VHA).

4107 Background: Most clinical trials use Child-Pugh (CP) for patient selection; this subjective scale was originally developed to assess liver function in cirrhosis, thus cannot be applied to HCC patients with non-cirrhotic background. Alternatively, ALBI grade is an objective and validated prognostic system that has demonstrated improved accuracy to predict survival and liver function decline in HCC patients. Our real-world study aims to assess the ALBI grade as a predictive marker of treatment response in patients with advanced HCC who received (A+B) within the VHA. Methods: VHA patients with HCC receiving 1st line therapy with A+B were identified through EMR using ICD-9 or ICD-10 codes between 1 Jan 2007 and 31 Dec 2021. Patients were followed from their A+B initiation date through the earliest of the last VHA visit, loss to follow up, death, or end of study on Jan 31, 2023. Structured electronic health record and chart review data were retrospectively collected to determine patient baseline characteristics, treatment response, overall survival (OS), and progression-free survival. Survival rates were based on patients with at least 6 months or 1 year of time (as indicated) from A+B initiation until the chart was reviewed; patients without a scan or known date of scan were excluded from PFS calculations. The Chi-Squared test was used to compare rates. Results: 332 patients were included in the study. The median age was 67 yrs, 99% were males, 63% non-Hispanic White, 26% Black, 86% with ECOG < 1, 84% had CPS class A, 16% had CPS class B and C, 56% had viral hepatitis-caused HCC, 20% had no cirrhosis present, and 60% had prior local therapies. There was a statistically significant difference in progression free survival (PFS) and over survival (OS) amongst different ALBI grades as shown. Conclusions: In our retrospective cohort, it was clear that patients with ALBI grade 1 had improved PFS and OS compared to ALBI score grade 3. Patients with ALBI score grade 2 also had a moderate response to treatment with modest OS and PFS compared to patients with ALBI score grade 3. Utilizing stratification ability ALBI grade in future clinical trials may improve prognostic power facilitating ideal patient selection. [Table: see text]

Durvalumab outcomes for patients with PD-L1 positive and negative stage III unresectable non-small cell lung cancer treated at veterans health administration facilities.

e18793 Background: Clinical trials and real-world studies have documented the benefit of durvalumab consolidation therapy in patients with stage III unresectable non-small cell lung cancer (UR-NSCLC) following chemoradiotherapy (CRT). Methods: Patients with stage III UR-NSCLC on durvalumab following CRT, at any Veterans Health Administration (VHA) facility from 1/1/17 to 6/30/20, were included. Patients were followed from their durvalumab initiation date through the earliest of their last VHA visit, loss to follow up, death, or end of study. Electronic health record and chart review data were retrospectively collected to determine baseline characteristics, number of durvalumab doses, length of follow-up, and overall survival (OS). Chi-square and Wilcoxon rank sum tests were used to compare baseline characteristics for patients with PD-L1 negative (<1%) and positive (1% or greater) tumors. Kaplan-Meier curves were constructed for OS. Cox proportional hazards regression, with controls for divergent baseline characteristics, were used to compare OS between the two groups. Results: Of 935 available patients, 340 had PD-L1 results: 221 had PD-L1 positive (65%) and 119 had PD-L1 negative (35%) tumors. The two groups of patients were largely similar with respect to baseline characteristics, including age, sex at birth, White race, smoking status, marital status, Charlson Comorbidity Index, ECOG status, histology, stage, EGFR, and RAS mutations (Table). Patients with PD-L1 positive and negative tumors had a similar median (interquartile range [IQR]) number of durvalumab doses (15 [6-24] vs 12 [5-23], p=0.38) and length of follow-up (31.5 [12.1-43.5] vs 28.7 [12.2-40.6] months, p=0.43). Kaplan-Meier survival curves were similar for patients with PD-L1 positive and negative tumors: estimated 12-month OS rates (95% CI) of 84% (78%-88%) vs 89% (81%-93%) and 24-month OS rates of 72% (65%-78%) vs 76% (67%-84%); median OS was not reached in patients with PD-L1 positive tumors and was 47.0 months for the PD-L1 negative group. Cox Proportional Hazards regression analysis also demonstrated similar OS for both groups (p=0.64). Conclusions: In this real-world study of a subpopulation of VHA patients with stage III UR-NSCLC and known PD-L1 levels, survival benefits with durvalumab were consistent with those reported in the PACIFIC trial, despite having worse baseline prognostic factors. Patients with PD-L1 positive and negative tumors experienced similar overall survival, including 12- and 24-month OS rates.[Table: see text]

Evaluating racial disparities for patients with advanced hepatocellular carcinoma (HCC) receiving first line immunotherapy within an equal access system.

4109 Background: The incidence and mortality of HCC are increasing in the USA. HCC disparities have been reported across the entirety of the cancer timeline, from screening to local and systemic treatment and liver transplant. We aim to analyze the clinical characteristics, outcomes, and racial disparities in patients with advanced HCC receiving first-line Atezolizumab plus Bevacizumab (A+B) in the Veterans Health Administration (VHA) – the only health care system in the USA that provides equal access to all patients. Methods: Patients were followed from their A+B initiation date through the earliest of the last VHA visit, loss to follow-up, death, or end of study on Jan 31, 2023. Structured electronic health record and chart review data were retrospectively collected to determine patient baseline characteristics, including self-reported race, number of A+B doses, treatment response, subsequent line of treatment, length of follow-up, and overall survival (OS). The Chi-Squared test was used to compare rates, and Mann-Whitney test was used to compare medians. Results: Three hundred twenty-five patients were included. 64% were non-Hispanic White (NHW), and 36% were all other (AO) ethnicities or races combined (26% Black, 8% Hispanic, 2% Asian or Indigenous). The median age for each cohort was similar (66 years for AO vs. 68 for NHW), and ECOG performance was <1 in nearly 90% of each cohort. Viral hepatitis accounted for 70% and 48% of AO and NHW, respectively (p=0.0001). Despite clinical differences in OS and progression free survival (PFS), they were not statistically significant. Conclusions: Our VHA real-world data shows that despite having statistically significant etiologies, there was no statistically significant difference in the PFS and OS of patients with advanced HCC receiving first-line A+B in an equal access care system. This study supports our group’s findings in other malignant cohorts within VHA where equal healthcare access can mitigate other socio-demographic and biological factors. [Table: see text]

CT image-based biomarkers acquired by AI-based algorithms for the opportunistic prediction of falls.

Evaluate whether biomarkers measured by automated artificial intelligence (AI)-based algorithms are suggestive of future fall risk. In this retrospective age- and sex-matched case-control study, 9029 total patients underwent initial abdominal CT for a variety of indications over a 20-year interval at one institution. 3535 case patients (mean age at initial CT, 66.5 ± 9.6 years; 63.4% female) who went on to fall (mean interval to fall, 6.5 years) and 5494 controls (mean age at initial CT, 66.7 ± 9.8 years; 63.4% females; mean follow-up interval, 6.6 years) were included. Falls were identified by electronic health record review. Validated and fully automated quantitative CT algorithms for skeletal muscle, adipose tissue, and trabecular bone attenuation at the level of L1 were applied to all scans. Uni- and multivariate assessment included hazard ratios (HRs) and area under the receiver operating characteristic (AUROC) curve. Fall HRs (with 95% CI) for low muscle Hounsfield unit, high total adipose area, and low bone Hounsfield unit were 1.82 (1.65-2.00), 1.31 (1.19-1.44) and 1.91 (1.74-2.11), respectively, and the 10-year AUROC values for predicting falls were 0.619, 0.556, and 0.639, respectively. Combining all these CT biomarkers further improved the predictive value, including 10-year AUROC of 0.657. Automated abdominal CT-based opportunistic measures of muscle, fat, and bone offer a novel approach to risk stratification for future falls, potentially by identifying patients with osteosarcopenic obesity. There are few well-established clinical tools to predict falls. We use novel AI-based body composition algorithms to leverage incidental CT data to help determine a patient's future fall risk.

PO-04-124 ARRHYTHMIAS INCLUDING ATRIAL FIBRILLATION IN KLEEFSTRA SYNDROME: A POSSIBLE EPIGENETIC LINK

Kleefstra syndrome (KS), often diagnosed in early childhood, is a rare genetic disorder (EHMT1 gene: an important epigenetic modulator) that is characterized by hypotonia, developmental delay and distinct facial features. Although congenital heart disease (CHD) is frequently reported, there is a paucity of data on the prevalence of CHD subtypes and arrhythmias in KS; no known reports of Atrial Fibrillation (AF). To systematically assess the prevalence of CHD and arrhythmias in KS. Cross-sectional analysis of the two largest known KS registries: Radboudumc (50 patients, median/IQR age: 13.5/13 years) based on health record review at Radboud University Medical Center in Netherlands, and GenIDA (163 patients, median/IQR age: 10/12 years) based on surveys of patient families from around the world. Case series of 3 additional patients with KS and atrial tachyarrhythmias. Both registries independently report 40% (20 patients in Radboudumc and 65 in GenIDA) prevalence of a cardiovascular system abnormality and 2-8% prevalence of arrhythmias (4 in Radboudumc and 3 in GenIDA). Radboudumc registry included 14% patients with atrial septal defect (ASD), 12% with ventricular septal defect (VSD), 4% patients each with Tetralogy of Fallot and pulmonary valve stenosis, and none with left ventricular dysfunction. The 8% patients with arrhythmias in this registry did not report significant CHD and included one patient with AF, two with supraventricular tachycardias (SVTs), and one with ventricular tachycardia (VT). GenIDA registry reported 1% patients with cardiomyopathy, 10% with VSD, 13% with ASD, 16% with valvular disease, and 9% with vascular malformations. This registry also included one patient with AF and another with chronic ectopic atrial tachycardia with neither patient reporting CHD. A case series of 3 additional KS patients not included in these registries with atrial tachyarrhythmias reveals two patients with AF and one with atrial tachycardia, in the absence of CHD. One patient with symptomatic AF refractory to medications underwent successful pulmonary vein isolation (first known report) at age 23 without recurrence at 16 months. The largest database of KS patients compiled to-date reveals a high prevalence of CHD and early-onset atrial tachyarrhythmias including AF, even in the absence of structural heart disease. These findings suggest a role for regular electrocardiograms and ambulatory rhythm monitoring as well as a possible novel epigenetic mechanism for AF.

Comparison of Antiemetics in the Management of Pediatric Cannabinoid Hyperemesis Syndrome.

As a result of recent legislative changes allowing for increased access to marijuana products, there have been increasing rates of cannabis abuse among adolescents and subsequent diagnoses of cannabinoid hyperemesis syndrome (CHS). Most available literature on this syndrome exists within the adult population and describes benzodiazepines, haloperidol, and topical capsaicin as potentially efficacious in the management of CHS. The objectives of this study were to identify antiemetics and compare their efficacy and safety in the management of pediatric CHS. A retrospective review of Penn State Children's Hospital electronic health record was performed to identify patients 18 years or younger who had an emergency department or inpatient encounter, a cannabis hyperemesis-related diagnosis code, and met diagnostic criteria for CHS. Antiemetic efficacy was determined using subjective patient perception of nausea and objective documentation of vomiting. Benzodiazepines, haloperidol, and topical capsaicin were classified as nontraditional antiemetics, whereas all other antiemetics were classified as traditional. Nontraditional antiemetic medications appeared to be more effective in resolving patient symptoms compared with traditional antiemetics. Analysis of all ordered antiemetics demonstrated a gap in partial or full symptom resolution between nontraditional and traditional agents. Reported adverse effects were minimal. Cannabinoid hyperemesis syndrome is an underrecognized and underdiagnosed condition characterized by cyclic vomiting related to chronic cannabis use. Abstinence from cannabis remains the most effective approach to mitigating morbidity associated with CHS. Medications such as lorazepam or droperidol may have benefit in managing toxidrome symptoms. Traditional antiemetic prescribing remains a key barrier to effective management of pediatric CHS.

Oropharyngeal Squamous Cell Carcinoma Outcomes by p16INK4a Antigen Status in a Veteran Population.

The correlation between head and neck squamous cell carcinoma (SCC) and human papillomavirus (HPV) has been of great interest. We aimed to study immunoexpression of the p16INK4a (p16) antigen, a surrogate marker for high-risk HPV infection, in oropharyngeal SCC among veterans to estimate HPV-related cancer and survival. Secondary aims included stratification of race and ethnicity, degree of tobacco and alcohol use, tumor location, stage, and age at diagnosis. A retrospective electronic health record review was performed between January 1, 2000, and December 31, 2008, at a tertiary-level US Department of Veterans Affairs (VA) medical center for veterans who were treated for oropharyngeal SCC, had follow-up for a minimum of 2 years, and for whom paraffin-embedded tissue was available. Paraffin-embedded tissue was analyzed for p16 expression. We identified 66 veterans who met the inclusion criteria. p16 expression was observed in 29% of the patients. All patients were male with no difference in age at diagnosis between the groups. Among patients with p16-negative status, 60% were African American, whereas among patients with p16-postive status, 32% were African American (P = .04). Among patients with p16-postive status, 22% were tobacco-naïve, and 18% were alcohol-naïve vs 0% and 4%, respectively, of patients with p16-negative status (P = .005 and P = .12, respectively). Two-year survival was the same for both groups (P = .52). We observed p16 expression in 29% of VA patients with oropharnygeal SCC, which was less than observed in non-VA populations. At presentation, both groups demonstrated a predilection for tonsil location and late stage without significant difference in age or disease-specific survival. Disparities in racial distribution and tobacco use between patients with and without p16-positive status appear like that reported in non-VA populations; however, the frequently reported younger age at presentation, lower stage, and improved prognosis were not observed.

Biliary Complications After Liver Transplantation in the United States: Changing Trends and Economic Implications.

Biliary complications (BCs) continue to impact patient and graft survival after liver transplant (LT), despite improvements in organ preservation, surgical technique, and posttransplant care. Real-world evidence provides a national estimate of the incidence of BC after LT, implications for patient and graft outcomes, and attributable cost not available in transplant registry data. An administrative health claims-based BC identification algorithm was validated using electronic health records (N = 128) and then applied to nationally linked Medicare and transplant registry claims. The real-world evidence algorithm identified 97% of BCs in the electronic health record review. Nationally, the incidence of BCs within 1 y of LT appears to have improved from 22.2% in 2002 to 20.8% in 2018. Factors associated with BCs include donor type (living versus deceased), recipient age, diagnosis, prior transplant, donor age, and donor cause of death. BCs increased the risk-adjusted hazard ratio (aHR) for posttransplant death (aHR, 1.43; P < 0.0001) and graft loss (aHR, 1.48; P < 0.0001). Nationally, BCs requiring intervention increased risk-adjusted first-year Medicare spending by $39 710 ( P < 0.0001). BCs remain an important cause of morbidity and expense after LT and would benefit from a systematic quality-improvement program.

Causes of Early Mortality After Catheter Ablation of Atrial Fibrillation.

Recognition of the causes of early mortality after atrial fibrillation (AF) catheter ablation is essential for the improvement of patient safety. This study sought to determine the causes of early mortality (≤90 days) after AF ablation. We performed a retrospective analysis of AF ablation from January 1, 2013, to December 1, 2021 at the Mayo Clinic (Rochester, Phoenix, and Jacksonville). Causes of death were identified through a comprehensive chart review of the electronic health record from within the Mayo Clinic system and outside records when available. A total of 6723 patients were included in the study. The 90-day all-cause mortality rate was 0.22% (n=15). Among all 90-day deaths, majority of the deaths (73.3%) did not have a direct relationship with the procedure. Sudden death was the most common cause of early death (20%), followed by peri-procedural stroke (13%), respiratory failure (13%), atrioesophageal fistula (13%), infection (7%), heart failure (7%), and traumatic brain injury (7%). The 90-day mortality rate directly due to AF ablation procedural complications was 0.06% (n=4). AF ablation procedure has a 90-day mortality of 0.22%, and the most common cause of early mortality was sudden death. The majority (73.3%) of early mortality was not directly associated with a procedural complication, and the mortality rate due to complications associated with the AF ablation procedure was low at 0.06%. Further studies are required to investigate causes and risk factors associated with sudden death in this patient population.