Coordinates: 29°23′57″N 98°37′12″W / 29.39917°N 98.62000°W / 29.39917; -98.62000Wilford Hall Ambulatory Surgical Center, formerly known as Wilford Hall Medical Center, is a U.S. Air Force medical treatment facility located on the grounds of San Antonio's Lackland Air Force Base. Operated by the 59th Medical Wing, Wilford Hall is the Defense Department's largest outpatient ambulatory surgical center, providing the full spectrum of primary care, specialty care, and outpatient surgery. The medical facility is named after former Air Force physician, Maj. Gen. Wilford F. Hall, a visionary pioneer whose contributions were instrumental in the development of aeromedical evacuation.In US Air Force lineage terms, the Wilford Hall Medical Center was consolidated with the 59th Tactical Fighter Wing on 1 July 1993 and became the 59th Medical Wing.On Sept. 15, 2011, Wilford Hall Medical Center was renamed Wilford Hall Ambulatory Surgical Center as part of the 2005 Base Realignment and Closure Commission actions..
Objectives Whole blood (WB) is increasingly used for trauma resuscitation, but clinical comparisons with component therapy (COMP) have reported mixed survival results, and physiologic contributors to any differences remain incompletely defined. We evaluated the association between excess citrate exposure, calcium (Ca2+) supplementation, hemodynamic stability, and survival during massive transfusion. Methods In a randomized swine (Sus scrofa) polytrauma model, 32 castrated male and nonpregnant females underwent tibial fracture, blunt liver injury, 30% controlled hemorrhage, and a 30-minute shock period. Animals were assigned to WB without Ca2+ supplementation (WB/−Ca), WB with Ca2+ supplementation (WB/+Ca), simulated component therapy without Ca2+ supplementation (COMP/−Ca), or simulated component therapy with Ca2+ supplementation (COMP/+Ca). Resuscitation occurred during continued hemorrhage, followed by 4 hours of monitoring. The primary outcome was mean arterial pressure (MAP) after completion of transfusion. Secondary outcomes included survival, ionized and serum Ca2+, potassium, and lactate. Results Baseline values were similar across groups. Survival was 3 of 8 animals in COMP/−Ca and 8 of 8 animals in each other group (log-rank P < .001). MAP differed significantly between groups over time (P < .001), with lower MAP in COMP/−Ca compared with WB/−Ca (P = .0036), WB/+Ca (P = .0046), and COMP/+Ca (P = .0076). Ionized Ca2+ was lowest in COMP/−Ca. Conclusions In this polytrauma model, simulated COMP with excess citrate and without Ca2+ supplementation was associated with lower ionized Ca2+, hemodynamic instability, and decreased survival. These findings support further investigation into how citrate burden and Ca2+ supplementation strategies influence massive transfusion physiology during WB and COMP-based resuscitation.
Peanut allergy is commonly diagnosed in childhood and may persist as a medical label into adulthood despite the development of clinical tolerance, leading to potential misclassification and unnecessary dietary and occupational restrictions. We report a 19-year-old male patient with a childhood diagnosis of peanut allergy that precluded military enlistment in the United States despite years of reported asymptomatic peanut ingestion. Evaluation demonstrated persistent sensitization on skin prick testing, low-level peanut-specific IgE, and isolated sensitization to Ara h 8 on component-resolved diagnostics (CRD). Following structured reassessment, a supervised oral food challenge (OFC) was performed and tolerated without symptoms. The peanut allergy diagnosis was removed, and the patient was cleared for military accession. This case demonstrates that integration of clinical history, CRD, and OFC enables accurate risk stratification and safe delabeling of peanut allergy, with particular relevance in high-stakes settings.
This review examines barriers that prevent general outpatient pediatric providers from delabeling patients with low-risk penicillin allergy. It provides a summary of current progress and offers insight into potential solutions to improve clinical implementation. Unverified penicillin allergy, often labeled in early childhood, are associated with adverse health outcomes and increased healthcare costs over time. Consequently, the focus has shifted to the general pediatric setting for identifying and delabeling low-risk allergy. This review concentrates on key factors influencing implementation in outpatient pediatrics, including the need for standardized, validated pediatric-specific protocols; the perceptions and education of patients and medical staff; environmental and social determinants of health; and economic and logistical challenges. This review identifies the primary obstacles to effective outpatient delabeling as knowledge gaps among providers, patient and family apprehension, systemic healthcare challenges, and disparities in allergy care resources. Overcoming these barriers will require a multi-faceted approach that includes structured education, the adoption of validated low-risk penicillin allergy delabeling strategies for pediatric patients, and policy-driven changes to healthcare delivery. These efforts are essential for improving outcomes for pediatric patients labeled with a history of penicillin allergy. This review provides practical insights and solutions to barriers faced in the general outpatient pediatric implementation of low-risk penicillin allergy delabeling.
