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Bassir F, Varghese S, Wang L, Chin YP, Zhou L. The Use of Electronic Health Records to Study Drug-Induced Hypersensitivity Reactions from 2000 to 2021. Immunol Allergy Clin North Am 2022; 42:453-497. [PMID: 35469629 PMCID: PMC9267416 DOI: 10.1016/j.iac.2022.01.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Electronic health records (EHRs) have revolutionized the field of drug hypersensitivity reaction (DHR) research. In this systematic review, we assessed 140 articles from 2000-2021, classifying them under six themes: observational studies (n=61), clinical documentation (n=27), case management (n=22), clinical decision support (CDS) (n=18), case identification (n=9), and genetic studies (n=3). EHRs provide convenient access to millions of medical records, facilitating epidemiological studies of DHRs. Though the goal of CDS is to promote safe drug prescribing, allergy alerts must be designed and used in a way that supports this effort. Ultimately, accurate allergy documentation is essential for DHR prevention.
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Affiliation(s)
- Fatima Bassir
- Division of General Internal Medicine and Primary Care, Department of Medicine, Brigham and Women's Hospital, 399 Revolution Drive, Suite 1315, Somerville, MA 02145, USA; Division of General Internal Medicine and Primary Care, Brigham and Women's Hospital, 399 Revolution Drive, Suite 1315, Somerville, MA 02145, USA.
| | - Sheril Varghese
- Division of General Internal Medicine and Primary Care, Department of Medicine, Brigham and Women's Hospital, 399 Revolution Drive, Suite 1315, Somerville, MA 02145, USA
| | - Liqin Wang
- Division of General Internal Medicine and Primary Care, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 399 Revolution Drive, Suite 1315, Somerville, MA 02145, USA
| | - Yen Po Chin
- Division of General Internal Medicine and Primary Care, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 399 Revolution Drive, Suite 1315, Somerville, MA 02145, USA
| | - Li Zhou
- Division of General Internal Medicine and Primary Care, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 399 Revolution Drive, Suite 1315, Somerville, MA 02145, USA
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Joerg L, Hasler S, Gschwend A, Meincke C, Nordmann TM, Glatz M, Heilig M, Schnyder B, Helbling A, Schmid-Grendelmeier P. 75% negative skin test results in patients with suspected hypersensitivity to beta-lactam antibiotics: Influencing factors and interpretation of test results. World Allergy Organ J 2021; 14:100602. [PMID: 34820050 PMCID: PMC8585645 DOI: 10.1016/j.waojou.2021.100602] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 09/14/2021] [Accepted: 10/05/2021] [Indexed: 12/25/2022] Open
Abstract
Background The diagnostic approach for beta-lactam (BL) drug hypersensitivity reactions (DHR) is based on the history, clinical signs, skin tests (ST), in vitro tests, and drug provocation tests (DPT). The aim of this study was to assess the performance of an allergy workup with ST in a real-world use. Methods In this cross-sectional study the rate of positive ST in subjects with suspected DHR to penicillins and cephalosporins was investigated. Of special interest were correlations of ST positivity: 1) to the time intervals between index reaction and the allergic work-up, 2) time interval from drug exposure to the onset of signs, 3) pattern of manifestation in delayed DHR and involvement of test area in the index reaction, and 4) potential advantage of patch testing in delayed DHR. Results 175 patients were included between January 2018 and April 2019 (63.4% female), 45 (25.7%) with immediate DHR manifestation and 130 with delayed DHR manifestation (74.3%). A total of 44 patients (25.1%) had a positive ST (immediate DHR 37.8% versus 20.0% in delayed DHR). ST positivity decreased in both groups after 3 years from 47.8% [95%CI 29.2-67] to 23.5% [95%CI 9.6-47.3] in immediate DHR and 23.0% [95%CI 15-4-32.9] to 12.9% [95%CI 5.1-28.9] in delayed DHR. The proportion of positive ST was higher in patients with more severe forms of delayed DHR, and in subjects with a shorter latency period of onset of symptoms after drug exposure: 0-3d: 29.5% [95%CI 19.6-41.9] vs. >3d: 11.6% [95%CI 6.0-21.2]). No sensitization was shown in delayed urticaria or angioedema. ST done outside the skin area involved during the index reaction were negative in all cases (0/38 vs. 26/84 in cases with involved area). The combination of patch test and intradermal test (IDT) revealed an additional positive result in 2/77 cases. Additional in vitro testing reduced the proportion of negative test results to 72%. Conclusion In most patients with negative test results, we could not clarify the cause of the BL-associated adverse events even with further investigations (including DPT). How to prevent new drug-induced adverse events in such patients has hardly been investigated yet. Corresponding cohort studies could improve the data situation.
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Affiliation(s)
- Lukas Joerg
- Allergy Unit, Department of Dermatology, University Hospital of Zurich, Zurich, Switzerland.,Division of Allergology and Clinical Immunology, Department of Pneumology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Susann Hasler
- Allergy Unit, Department of Dermatology, University Hospital of Zurich, Zurich, Switzerland
| | - Anna Gschwend
- Division of Allergology and Clinical Immunology, Department of Pneumology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Cordula Meincke
- Division of Allergology and Clinical Immunology, Department of Pneumology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Thierry M Nordmann
- Allergy Unit, Department of Dermatology, University Hospital of Zurich, Zurich, Switzerland
| | - Martin Glatz
- Allergy Unit, Department of Dermatology, University Hospital of Zurich, Zurich, Switzerland
| | - Michelle Heilig
- Division of Allergology and Clinical Immunology, Department of Pneumology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Benno Schnyder
- Allergy Unit, Department of Dermatology, University Hospital of Zurich, Zurich, Switzerland
| | - Arthur Helbling
- Division of Allergology and Clinical Immunology, Department of Pneumology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
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Rauscher C, Petrov AA, Fajt ML. Factors Associated with Self-Reported Drug Allergies in a Large Chronic Spontaneous Urticaria Cohort. Curr Drug Saf 2021; 16:97-100. [PMID: 33006537 DOI: 10.2174/1574886315666201002153354] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 08/28/2020] [Accepted: 09/08/2020] [Indexed: 11/22/2022]
Abstract
INTRODUCTION Chronic spontaneous urticaria (CSU) is characterized by recurrent hives without a known trigger. While certain drugs are associated with urticaria exacerbations, the overall drug allergy incidence in CSU is unknown. We hypothesized that the incidence of drug allergy in CSU would be greater than the general population and that there would be distinguishing clinical features of drug-allergic CSU patients. METHODS 362 adult CSU patients seen over a 10-year period at a University Allergy/Asthma clinic were identified. Patients reported no drug allergies or any drug allergy. Multiple drug allergies were defined as allergies to ≥ 2 chemically unrelated drugs. Using Chi-square or Wilcoxon analysis, we compared demographic features of CSU with and without drug allergy and with multiple vs. single drug allergy. RESULTS AND DISCUSSION Overall, 202 CSU patients (56%) reported drug allergy. Drug allergic CSU patients were older, with a greater proportion of whites and higher BMI vs. CSU without drug allergy (p=0.002, p=0.047, p=0.004, respectively). Penicillin was the most common drug allergy, with urticaria the most frequently reported reaction. Female sex, white race, older age at the visit, and co-existing asthma were more common in multiple drug allergy (n=115) vs. single drug allergy (p=0.002, p=0.02, p=0.03, p=0.0002, respectively). CONCLUSION In CSU, the prevalence of self-reported drug allergies was higher than the general population. Drug allergy is associated with older age, white race and higher BMI, while multiple drug allergy was also associated with asthma. These CSU sub-populations should be studied to avoid the potential for morbidity associated with less efficacious and more costly drugs.
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Affiliation(s)
- Christine Rauscher
- Division of Pulmonary, Allergy, and Critical Care Medicine; Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh Pennsylvania, United States
| | - Andrej A Petrov
- Division of Pulmonary, Allergy, and Critical Care Medicine; Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh Pennsylvania, United States
| | - Merritt L Fajt
- Division of Pulmonary, Allergy, and Critical Care Medicine; Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh Pennsylvania, United States
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Davidesko S, Pariente G, Wainstock T, Sheiner E. Maternal known drug allergy and long-term neurological hospitalizations of the offspring. Am J Reprod Immunol 2020; 85:e13335. [PMID: 32869378 DOI: 10.1111/aji.13335] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 08/18/2020] [Accepted: 08/22/2020] [Indexed: 12/17/2022] Open
Abstract
PROBLEM Drug allergies are increasingly common. Immunological factors, implicated in many neurological diseases, also influence an individual's susceptibility. We sought to ascertain a possible association between maternal drug allergy and long-term neurological-related hospitalizations in the offspring. METHOD OF STUDY This is a population-based cohort analysis, comparing the long-term risk of neurological-related hospitalization, involving a predefined set of ICD9 codes as recorded in hospital records, of children born to mothers with and without drug allergies. Deliveries occurred between the years 1991 and 2014 in a tertiary medical center. Twin pregnancies, fetal malformations, and cases of perinatal mortality were excluded. A Kaplan-Meier survival curve was constructed to compare cumulative neurological hospitalizations. A Cox proportional hazards model was used to control for time to event. RESULTS The study included 242 342 patients, 9714 with known drug allergy (4%). Offspring born to mothers with drug allergies had significantly more neurological hospitalizations compared to controls (4.2% vs 3.1%; P ≤ .001; Kaplan-Meier log-rank test P ≤ .001), specifically for psychiatric disorders including eating disorders (0.3% vs 0.2%;P = .002), attention-deficit/hyperactivity disorder (0.124% vs 0.056%; P = .008), emotional disorders (0.8% vs 0.5%; P ≤ .001), and movement disorders (2.3% vs 1.8%; P = .002). While controlling for birth year, gestational age, maternal age, maternal diabetes, hypertensive disorders, and cesarean delivery, using a Cox proportional hazards model, maternal drug allergy was found to be an independent risk factor for neurological hospitalization of the offspring (adjusted HR 1.3, 95% CI 1.19-1.45 P < .001). CONCLUSION Being born to a mother with known drug allergy is an independent risk factor for long-term neurological hospitalization of the offspring.
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Affiliation(s)
- Sharon Davidesko
- Department of Obstetrics and Gynecology, Soroka University Medical Center, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Gali Pariente
- Department of Obstetrics and Gynecology, Soroka University Medical Center, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Tamar Wainstock
- The Department of Public Health, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Eyal Sheiner
- Department of Obstetrics and Gynecology, Soroka University Medical Center, Ben-Gurion University of the Negev, Beer-Sheva, Israel
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Chiriac AM, Macy E. Large Health System Databases and Drug Hypersensitivity. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE 2019; 7:2125-2131. [DOI: 10.1016/j.jaip.2019.04.014] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Revised: 04/09/2019] [Accepted: 04/09/2019] [Indexed: 12/26/2022]
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Lakin E, Church MK, Maurer M, Schmetzer O. On the Lipophilic Nature of Autoreactive IgE in Chronic Spontaneous Urticaria. Am J Cancer Res 2019; 9:829-836. [PMID: 30809311 PMCID: PMC6376472 DOI: 10.7150/thno.29902] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Accepted: 11/14/2018] [Indexed: 12/11/2022] Open
Abstract
Chronic spontaneous urticaria (CSU) is a skin disease related to autoreactive IgE in at least a subgroup of patients. However, the nature of this autoreactive IgE remains poorly characterized. This investigation had three objectives: first, to quantity CSU autoreactive IgE; second, to recognize the patterns of CSU autoreactive IgE compared with healthy control IgE; and third, to investigate the physiochemical nature of CSU autoreactive IgE. Methods: IgE autoreactivity was assessed in sera from 7 CSU and 7 healthy individuals. Autoantigen recognition patterns were assessed using principal component analysis (PCA) and heatmap visualization. Lipophilicity was assessed using NanoOrange reagent. Results: First, although total IgE levels did not differ significantly, the autoreactive proportion of IgE of CSU patients was 62% ± 37%, 1000-fold higher than that of healthy controls 0.03% ± 0.008% (P = 0.0006). Second, CSU autoreactive IgE differed from healthy control IgE by recognizing more and different autoantigens (226 vs. 34; P = 0.01). Third, the median (with 10-90% percentiles) serum level of lipophilic IgE was 39% (38-40%) in 232 CSU patients, 1.4-fold higher than the 28% (26-29%) of 173 healthy controls (P < 0.0001). Furthermore, lipophilicity correlated with autoreactivity (r = 0.8; P < 0.0001), connecting these two observed features. Conclusion: We believe that these novel observations about CSU autoreactive IgE, particularly the finding that it is more lipophilic than that of IgE from healthy individuals, will lead to the development of new diagnostic tests and therapies for autoreactive IgE-mediated diseases.
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Abstract
IMPORTANCE β-Lactam antibiotics are among the safest and most effective antibiotics. Many patients report allergies to these drugs that limit their use, resulting in the use of broad-spectrum antibiotics that increase the risk for antimicrobial resistance and adverse events. OBSERVATIONS Approximately 10% of the US population has reported allergies to the β-lactam agent penicillin, with higher rates reported by older and hospitalized patients. Although many patients report that they are allergic to penicillin, clinically significant IgE-mediated or T lymphocyte-mediated penicillin hypersensitivity is uncommon (<5%). Currently, the rate of IgE-mediated penicillin allergies is decreasing, potentially due to a decreased use of parenteral penicillins, and because severe anaphylactic reactions to oral amoxicillin are rare. IgE-mediated penicillin allergy wanes over time, with 80% of patients becoming tolerant after a decade. Cross-reactivity between penicillin and cephalosporin drugs occurs in about 2% of cases, less than the 8% reported previously. Some patients have a medical history that suggests they are at a low risk for developing an allergic reaction to penicillin. Low-risk histories include patients having isolated nonallergic symptoms, such as gastrointestinal symptoms, or patients solely with a family history of a penicillin allergy, symptoms of pruritus without rash, or remote (>10 years) unknown reactions without features suggestive of an IgE-mediated reaction. A moderate-risk history includes urticaria or other pruritic rashes and reactions with features of IgE-mediated reactions. A high-risk history includes patients who have had anaphylaxis, positive penicillin skin testing, recurrent penicillin reactions, or hypersensitivities to multiple β-lactam antibiotics. The goals of antimicrobial stewardship are undermined when reported allergy to penicillin leads to the use of broad-spectrum antibiotics that increase the risk for antimicrobial resistance, including increased risk of methicillin-resistant Staphylococcus aureus and vancomycin-resistant Enterococcus. Broad-spectrum antimicrobial agents also increase the risk of developing Clostridium difficile (also known as Clostridioides difficile) infection. Direct amoxicillin challenge is appropriate for patients with low-risk allergy histories. Moderate-risk patients can be evaluated with penicillin skin testing, which carries a negative predictive value that exceeds 95% and approaches 100% when combined with amoxicillin challenge. Clinicians performing penicillin allergy evaluation need to identify what methods are supported by their available resources. CONCLUSIONS AND RELEVANCE Many patients report they are allergic to penicillin but few have clinically significant reactions. Evaluation of penicillin allergy before deciding not to use penicillin or other β-lactam antibiotics is an important tool for antimicrobial stewardship.
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Affiliation(s)
- Erica S Shenoy
- Harvard Medical School, Boston, Massachusetts
- Infection Control Unit, Massachusetts General Hospital, Boston
- Division of Infectious Diseases, Department of Medicine, Massachusetts General Hospital, Boston
| | - Eric Macy
- Department of Allergy, Southern California Permanente Medical Group, San Diego Medical Center
| | - Theresa Rowe
- General Internal Medicine and Geriatrics, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
| | - Kimberly G Blumenthal
- Harvard Medical School, Boston, Massachusetts
- Division of Rheumatology, Allergy and Immunology, Department of Medicine, Massachusetts General Hospital, Boston
- Edward P. Lawrence Center for Quality and Safety, Massachusetts General Hospital, Boston
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Lang DM. The malady of penicillin allergy. Ann Allergy Asthma Immunol 2016; 116:269-70. [PMID: 27055986 DOI: 10.1016/j.anai.2016.02.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Accepted: 02/15/2016] [Indexed: 11/27/2022]
Affiliation(s)
- David M Lang
- Cleveland Clinic, Department of Allergy and Clinical Immunology, Respiratory Institute, Cleveland, OH.
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