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BACKGROUND: Anemia affects more than two billion people worldwide and is common among surgical patients. Despite growing recognition of the risks associated with preoperative anemia, we have limited understanding of the epidemiology of anemia development and recovery. METHODS: This is an observational cohort study of adults undergoing surgery at a large tertiary care medical center from August 2012 to July 2023. Hemoglobin concentrations were obtained preoperatively, during postoperative hospitalization, and through 12 months after surgery. Anemia was defined primarily using World Health Organization criteria (hemoglobin <12 g/dL in women, <13 g/dL in men) and secondarily with a gender-neutral threshold of <13 g/dL. Descriptive analyses summarize preoperative anemia prevalence, postoperative anemia prevalence and incidence, and post-hospitalization anemia recovery across demographic, clinical, and surgical features. RESULTS: 281,217 patients undergoing 423,066 procedures (51.9% among women) were included. Among those with available preoperative hemoglobin assessments (n = 308,959), 28.9% had anemia, with similar prevalence in men (29.5%) and women (28.4%) using World Health Organization (WHO) definitions, but with prevalence increasing to 51.0% in women when using the gender-neutral anemia definition. Preoperative anemia was most common in Black patients (44.0%) and in those ≥75 years (39.6%). Surgical subspecialties showed wide variation in preoperative anemia prevalence, ranging from 18.6% in spine surgery to 45.8% in vascular surgery. Among previously nonanemic patients admitted to the hospital postoperatively, 76.9% developed new postoperative anemia, with the highest incidence in cardiac surgery (97.5%). Women experienced more severe postoperative anemia than men. Overall, 81.1% of patients were anemic at hospital discharge. Recovery was gradual and incomplete: among those discharged with mild, moderate, or severe anemia, 28.5%, 51.9%, and 66.3%, respectively, remained anemic at 12 months. Among patients who were nonanemic preoperatively but developed new postoperative anemia, 29.3% remained anemic at 12 months. CONCLUSIONS: Preoperative and postoperative anemia are highly prevalent, and anemia frequently persists for months after hospitalization. Older adults, women, and Black patients bear a disproportionate burden. Despite this, anemia evaluations and treatments remain underutilized. These findings highlight substantial opportunities for patient blood management (PBM) programs to improve perioperative anemia detection, optimization, and post-discharge management.

BACKGROUND: Pulsed field ablation is now widely used for atrial fibrillation (AF) ablation, but atrial tachyarrhythmia recurrence remains common and postablation risk tools are limited. We assessed whether a validated sinus‑rhythm artificial intelligence— enabled ECG AF probability score, and its early postablation change, predicts recurrence after pulsed field ablation. METHODS: We studied consecutive patients undergoing index pulsed field ablation across 3 Mayo Clinic sites (February 2024–March 2025) with ≥1 sinus‑rhythm ECG within 180 days preprocedure. Baseline artificial intelligence—enabled ECG AF score (range 0–1) was the mean across baseline ECGs. Recovery indices (RI30/60/90), defined as mean postprocedure artificial intelligence—enabled ECG score within days 1–30/60/90 minus baseline, predicted post‑blanking recurrence using corresponding 30‑, 60‑, and 90‑day blanking windows. The primary outcome was time to first documented AF/atrial flutter/atrial tachycardia episode >30 seconds, ascertained via clinic ECGs, ambulatory monitoring, and device interrogations. Cox regression adjusted for prespecified clinical and echocardiographic covariates assessed associations; Harrell C‑statistic quantified discrimination. RESULTS: Among 1052 patients (67±10 years; 33% women), median baseline score was 0.35; 320 (30%) recurred over 188 days. Higher baseline score independently predicted recurrence (hazard ratio per 0.1 increase, 1.08 [95% CI, 1.03–1.14]). Scores rose on day 0 after ablation, then declined over subsequent weeks, with persistently higher, less‑improving trajectories among patients who recurred (time×recurrence interaction P <0.001). Day 0 score was not independently associated with recurrence after adjustment. Attenuated early recovery (higher recovery index) was independently associated with recurrence, most robustly for RI-90 (hazard ratio per 0.1 increase, 1.15 [95% CI, 1.07–1.24]), and improved discrimination beyond baseline and covariates (C‑statistic, 0.63–0.67; ΔC=0.04). Findings were consistent in a historical thermal ablation cohort. CONCLUSIONS: Baseline and early postablation dynamics of a sinus‑rhythm artificial intelligence—enabled ECG AF probability score are associated with pulsed field ablation recurrence and may aid multivariable risk stratification; prospective validation is warranted.

ABSTRACT Persistent gaps in anatomical knowledge among incoming residents have raised concerns about clinical preparedness, especially in surgical and interventional disciplines. Conventional anatomy instruction and limited cadaveric exposure and learning opportunities in medical curricula have prompted calls for innovative, clinically focused anatomical curricular integration in clinical training. This article describes the development, implementation, and impact of a tailored Year 4 Clinical Anatomy Elective in the Department of Clinical Anatomy at Mayo Clinic, designed to reinforce competency in clinically relevant anatomical understanding and support learners' perceived preparedness during transitions to residency. A 4‐week elective was designed for fourth‐year medical students interested in pursuing a specific residency program. The course was personalized for students' clinical interests and incorporated fresh tissue dissection, simulation, procedural skills training, and imaging using an immersive learning platform. The elective was structured within the experiential learning model using a guided, self‐directed format within a multicapability laboratory and instructional environment, grounded in constructivist theory. A 5‐year review of elective records and informal thematic analysis of student feedback were conducted. Most participants pursued surgically related specialties, with orthopedic surgery being the most common. Exploratory thematic analysis identified six core themes: Professional Identity Formation, Educational Benefits, Learning Challenges, Connection to Clinical Practice, Patient Care Implications, and Future Preparation and Transferability. These students perceived gains in areas aligned with ACGME milestones: increased confidence, greater preparedness for residency, and improvement in their ability to apply anatomical knowledge in clinical settings. This perception may be indicative of lifelong learning and early educator identity formation. A specialty‐specific, clinically integrated anatomy elective may support learners' perceived preparedness for residency, reinforce clinically relevant anatomical understanding, and support the development of educational and professional competencies. Such targeted interventions may help address perceived gaps in anatomical preparedness during the transition to residency and contribute to postgraduate training within a competency‐based medical education framework.

Abstract Neuroanatomy remains a core competency in neurosurgical training, particularly in skull base education, where learners must integrate three‐dimensional spatial understanding, radiologic correlation, and stepwise procedural knowledge. Cadaveric dissection remains foundational, but adjunctive digital tools may strengthen repeated visualization and anatomical review. We describe the educational rationale and implementation of integrating stereoscopic teaching, a stepwise digital application, photogrammetry, and virtual reality within an established neurosurgical skull base curriculum. Within the Mayo Clinic cranial base course embedded in a broader longitudinal curriculum, four postgraduate year 4 neurosurgery residents participated in transcranial and endoscopic cadaveric dissections supported by stereoscopic lectures, workstation‐based tablet guidance, and immersive review using photogrammetry, virtual reality, and computed tomography/magnetic resonance imaging correlation. The integrated design aligned these modalities with course objectives in anatomical landmark recognition, operative corridor planning, radiologic‐anatomic translation, and stepwise procedural rehearsal. The educational contribution of this model lies in the intentional integration of digital adjuncts around cadaveric dissection rather than in a single technology alone. This multimodal sequence may support spatial understanding, procedural preparation, and competency‐oriented skull base training while extending review beyond the laboratory. Current evaluation is best interpreted as preliminary program evaluation rather than definitive learner‐outcome evidence. This model may offer a transferable approach for programs seeking to complement cadaveric education with emerging digital tools and provides a basis for future prospective evaluations using multiple low‐stakes assessment data points across the broader curriculum.

Abstract Context. Thyroid nodule ultrasound findings are crucial in guiding management decisions for patients with thyroid nodules. However, the frequency with which ultrasound images are discussed and reviewed with patients during clinical visits is not well understood. Objective. To assess how often thyroid ultrasound images are shown and discussed with patients during consultations, and to identify predictors of image review during clinical visits. Design and setting. Secondary analysis of a multicenter pilot randomized clinical trial conducted at two academic medical centers in the United States. Participants. Adults undergoing evaluation for thyroid nodules. Intervention. Participants were randomized to receive either usual care or care enhanced with a conversation aid. Main Outcome Measures. The primary outcome was the frequency of thyroid nodule imaging review evaluated as a binary outcome. Secondary outcomes included evaluation of predictors of image discussion. Results. Eighty-five patients were evaluated. Most participants were women (80%), mean age (60 years, SD 16), and White (86%), undergoing new patient visits (84%). Thyroid nodule ultrasound images were reviewed with patients in 53% of visits (45/85), and in all cases, clinicians initiated the imaging discussion. Predictors of image review included type of consultation (new patient visit) (OR 10.6, 95% CI: 1.79, 62.3). Age, sex, study arm, thyroid nodule size or cancer risk and plan of care (e.g., completing a biopsy) were not statistically associated with review of clinical images. Conclusions. Review of thyroid ultrasound images during clinical visits is relatively common, with consultation type serving as significant predictor.

This cohort study evaluates the association between measured lipoprotein(a) level and incident venous thromboembolism.

ABSTRACT Background Pulsed field ablation (PFA) is an emerging non‐thermal ablation modality with proven safety in atrial arrhythmia ablation. However, data on its performance for ventricular arrhythmias (VA) remain limited. Objective To evaluate the feasibility, safety, and efficacy of PFA for complex VA in a multicenter real‐world US registry. Methods This retrospective study included consecutive patients undergoing PFA for ventricular tachycardia (VT) or premature ventricular contractions (PVCs) at three Mayo Clinic centers (April 2024 to July 2025). The primary feasibility outcome was the successful delivery of PFA lesions to the intended target substrate. Primary efficacy outcomes included acute procedural success; sustained VT recurrence requiring implantable cardioverter‐defibrillator (ICD) shocks or multiple antitachycardia pacing therapies; and ≥ 80% reduction in PVC burden. Safety outcomes included procedural complications, valvular function, thromboembolic events, renal function, and conduction disturbances. Results Twenty‐six patients were included (13 PVC, 13 VT). Acute success was achieved in all VT ablations (69.2% complete; 30.8% partial) and in 92.3% of PVC ablations. Complications occurred in 11.5% of patients (transient LBBB [ n = 1] and vascular complications [ n = 2]). No thromboembolic events, intracardiac thrombus, or acute kidney injury were observed. Lesions near the mitral valve apparatus did not worsen mitral regurgitation, including in patients with pre‐existing valve disease. After a median follow‐up of 365 days, one patient experienced VT recurrence requiring ICD shocks. Estimated recurrence‐free survival after VT ablation was 61.5% at 12 months; 58.3% of PVC patients achieved ≥ 80% burden reduction. Conclusion PFA for VA appears feasible and acutely effective, with a low rate of procedure‐related complications. While acute success was high, long‐term outcomes were acceptable for VT ablation and relatively modest for PVC ablation, highlighting the need for continued refinement of technology and energy‐delivery strategies. Larger prospective studies are warranted.

ABSTRACT Objective Women carry disproportionate shares of caregiving and other life demands that may compound the work of diabetes self-management. We sought to examine gender differences in overall and digital treatment burden and their key contributors. Research Design and Methods Cross-sectional analysis of two cohorts of adults with type 1 or type 2 diabetes attending outpatient endocrinology visits who completed the Treatment Burden Questionnaire Plus Digital (TBQ+D) (n=472). Multivariable regression estimated gender differences in overall and digital treatment burden, ability to live a normal life, and sustainability of current self- care effort, adjusting for age, diabetes type, insulin intensity, HbA1c, and cohort. Item-level analyses identified contributors to observed differences. Results Compared to men, women reported higher median overall treatment burden (33 vs 20, adjusted mean difference 10.6 points, 95% CI 5.1–16.3; p <.0001) and digital treatment burden (13 vs 7, adjusted mean difference 3.5 points, 95% CI 1.1–6.1; p =.009). They also had higher odds of not living a normal life (OR 1.77, 95% CI 1.18–2.67; p =0.006) and difficulty sustaining current self-care efforts indefinitely (OR 2.01, 95% CI 1.10–3.66; p =0.023). Digital burden differences were concentrated in annoyance, precautions, and time and effort required to use digital medicine tools, whereas contributors to differences in overall burden varied, with relationships, self-monitoring, and injections contributing most. Conclusions After adjusting for treatment intensity and other factors, women living with diabetes were twice as likely to be overwhelmed by diabetes care than men. Their greater vulnerability to treatment burden demands healthcare service redesign and individualization of plans of care that minimally disrupt patients’ and caregivers’ lives. ARTICLE HIGHLIGHTS Why did we undertake this study? Women may experience greater treatment burden across chronic conditions, reflecting competing (caregiving) demands that reduce capacity for self-management. Gender differences in diabetes, especially digital burden, remain unclear. What is the specific question we wanted to answer? Do women with diabetes experience greater overall and digital treatment burden than men? What did we find? Women reported greater overall and digital burden and more difficulty living a normal life and sustaining care than men. Differences were larger for digital annoyance, precautions, and effort, plus relationships, self-monitoring, and injections. What are the implications? Treatment burden cannot be inferred from treatment intensity alone. Diabetes care should consider whether treatment work fits within each patient’s life and can be sustained. Women with diabetes may be particularly vulnerable to becoming overwhelmed by the work of diabetes care.