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Dive into the research topics where Hemant P. Sharma is active.

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Featured researches published by Hemant P. Sharma.


Annals of Allergy Asthma & Immunology | 2012

Safe administration of the seasonal trivalent influenza vaccine to children with severe egg allergy

Matthew Greenhawt; Jonathan M. Spergel; Matthew A. Rank; Todd D. Green; Darlene Masnoor; Hemant P. Sharma; J. Andrew Bird; Jinny E. Chang; Divya Sinh; Esther Teich; John M. Kelso; Georgiana M. Sanders

BACKGROUND Anaphylaxis to egg or severe egg allergy has been considered a contraindication to receiving trivalent seasonal influenza vaccine (TIV). OBJECTIVE To evaluate the safety of TIV among severely egg allergic children. METHODS A 2-phase, multicenter study at 7 sites was conducted between October 2010 and March 2012. Inclusion criteria included a history of a severe reaction, including anaphylaxis, to the ingestion of egg and a positive skin test result or evidence of serum specific IgE antibody to egg. Phase 1 consisted of a randomized, prospective, double-blind, placebo controlled trial of TIV administration to egg allergic children, using a 2-step approach; group A received 0.1 mL of influenza vaccine, followed in 30 minutes if no reaction with the remainder of an age-appropriate dose, whereas group B received an injection of normal saline followed in 30 minutes if no reaction with the full 100% of the age-appropriate dose. Phase 2 was a retrospective analysis of single dose vs split-dose administration of TIV in eligible study participants who declined participation in the randomized controlled trial. RESULTS Thirty-one study participants were prospectively evaluated in the randomized controlled trial (group A, 14; group B, 17); 45.1% had a history of anaphylaxis after egg ingestion. A total of 112 participants were retrospectively evaluated (87 with the single dose and 25 with the split dose); 77.6% of participants had a history of anaphylaxis after egg ingestion. All participants in both phases received TIV without developing an allergic reaction. CONCLUSION TIV administration is safe even in children with histories of severe egg allergy. Use of 2-step split dosing appears unnecessary because a single dose was well tolerated.


The Journal of Allergy and Clinical Immunology: In Practice | 2014

Racial differences in the clinical presentation of pediatric eosinophilic esophagitis

Thomas Weiler; Irene Mikhail; Amit Singal; Hemant P. Sharma

BACKGROUND Analysis of current data suggests that 80% to 90% of children diagnosed with eosinophilic esophagitis are white. Little data exist regarding the presentation of eosinophilic esophagitis and potential clinical differences in minority children. OBJECTIVE This study compared the clinical presentation of eosinophilic esophagitis in African American children with white children treated at an urban allergy referral center. METHODS At an urban allergy clinic, a 2-year retrospective chart review was performed of 50 consecutive pediatric patients diagnosed with eosinophilic esophagitis. Presenting symptoms, age at diagnosis, coexisting atopic disease, and laboratory parameters were compared between races. RESULTS Most of the 50 children identified were boys (74%), as previously described. However, unlike prior literature, most were nonwhite (42% white, 42% African American, 4% Asian, and 12% other). African American children compared with white children had (1) a significantly higher frequency of failure to thrive (P < .01) and vomiting (P < .01) as presenting symptoms, (2) a higher frequency of comorbid atopic dermatitis (P < .01), (3) a younger mean age of symptom presentation and formal diagnosis (3.7 vs 9.1 years; P < .01), and (4) a trend toward a longer interval between symptom onset and formal diagnosis. However, after adjusting for confounding variables of age and insurance type, several of these racial differences were no longer significant. CONCLUSION African American children in this series had a larger burden of eosinophilic esophagitis than previously described as well as differences in clinical presentation compared with white patients. Analysis of these findings suggests that providers be aware of this potential diagnosis in young, atopic African American children with symptoms of esophageal dysfunction.


Immunology and Allergy Clinics of North America | 2015

Anaphylaxis and Urticaria

Kelli W. Williams; Hemant P. Sharma

Anaphylaxis and urticaria are common presenting allergic complaints. Affecting up to 2% of the population, anaphylaxis is a serious, life-threatening allergic reaction. Although not life-threatening, urticaria is a rash of transient, erythematous, pruritic wheals that can be bothersome and affects up to 25% of the population. All cases of anaphylaxis warrant thorough clinical evaluation by the allergist-immunologist, although most cases of urticaria are self-limited and do not require specialist referral. This article offers an overview of our current knowledge on the epidemiology, pathogenesis, triggers, diagnosis, and treatment of anaphylaxis and urticaria.


Chemical immunology and allergy | 2015

Food Allergy: Psychosocial Impact and Public Policy Implications

Hemant P. Sharma; Linda Jones Herbert

Given its increasing prevalence and potential severity, food allergy not only negatively impacts the health and quality of life of affected individuals but also carries a significant economic burden. To address these problems, a community approach including efforts to increase awareness of food allergy among the general public and the implementation of appropriate public policies to keep affected individuals safe is required. This chapter reviews the general publics knowledge and perceptions of food allergy, the diseases psychosocial impact on affected individuals, and the current state and future directions of food allergy public policy.


Children today | 2015

Food Allergy Knowledge and Attitudes among School Nurses in an Urban Public School District.

Sarah Twichell; Kathleen Wang; Humaira Robinson; Maria L. Acebal; Hemant P. Sharma

Since food allergy knowledge and perceptions may influence prevention and management of school-based reactions, we evaluated them among nurses in an urban school district. All District of Columbia public school nurses were asked to anonymously complete a food allergy knowledge and attitude questionnaire. Knowledge scores were calculated as percentage of correct responses. Attitude responses were tabulated across five-point Likert scales, ranging from strongly disagree to strongly agree. The knowledge questionnaire was completed by 87% of eligible nurses and the attitude questionnaire by 83%. The mean total knowledge score was 76 ± 13 with domain score highest for symptom recognition and lowest for treatment. Regarding attitudes, most (94%) felt food allergy is a serious health problem, for which schools should have guidelines (94%). Fewer believed that nut-free schools (82%) and allergen-free tables (44%) should be implemented. Negative perceptions of parents were identified as: parents of food-allergic children are overprotective (55%) and make unreasonable requests of schools (15%). Food allergy knowledge deficits and mixed attitudes exist among this sample of urban school nurses, particularly related to management of reactions and perceptions of parents. Food allergy education of school nurses should be targeted to improve their knowledge and attitudes.


Pediatric Emergency Care | 2013

Recognition and management of pediatric food allergy in the emergency department

Hemant P. Sharma; Darlene Kassab Mansoor; Irene Mikhail; Cindy Nguyen; Bruce L. Klein

Abstract Recently, the National Institute of Allergy and Infectious Diseases sought to establish consistency in definitions, diagnostic criteria, and management practices concerning food allergies (FAs). This review aimed to summarize and highlight the relevant findings of these guidelines for the emergency department provider, as pediatric patients often present to the emergency department with FAs or other disorders mimicking FAs.


Pediatric Clinics of North America | 2011

Clinical presentations of food allergy.

Darlene Kassab Mansoor; Hemant P. Sharma


The Journal of Allergy and Clinical Immunology | 2011

Racial Disparities in the Presentation of Pediatric Eosinophilic Esophagitis

Hemant P. Sharma; Darlene Kassab Mansoor; A.C. Sprunger; K. Zalos; H. Taylor; X. Martin; I.J. Mikhail


The Journal of Allergy and Clinical Immunology | 2014

Teasing and Bullying Among Adolescents With Food Allergy

Adora Lin; Hemant P. Sharma


The Journal of Allergy and Clinical Immunology | 2015

Management of Children with Anaphylaxis in an Urban Emergency Department

Jonathan A. Hemler; Hemant P. Sharma

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Darlene Kassab Mansoor

Children's National Medical Center

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Humaira Robinson

Children's National Medical Center

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Burcin Uygungil

Cincinnati Children's Hospital Medical Center

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Cindy Nguyen

Children's National Medical Center

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Irene Mikhail

Children's National Medical Center

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Sarah Twichell

Children's National Medical Center

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Amit Singal

George Washington University

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Amanda Troger

Children's National Medical Center

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Jonathan A. Hemler

Vanderbilt University Medical Center

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