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González-Gregori R, Dolores Hernández Fernandez De Rojas M, López-Salgueiro R, Díaz-Palacios M, García AN. Allergy alerts in electronic health records for hospitalized patients. Ann Allergy Asthma Immunol 2012; 109:137-40. [PMID: 22840256 DOI: 10.1016/j.anai.2012.06.006] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2012] [Revised: 05/25/2012] [Accepted: 06/05/2012] [Indexed: 11/19/2022]
Abstract
BACKGROUND Electronic health records (EHRs) are used to register important health-related information, such as allergic conditions, and contribute to the safety and quality of medical care. OBJECTIVES To evaluate the use of allergy alert entries in EHRs and to establish the allergy profile of hospitalized patients. METHODS Allergy data recorded in EHRs were analyzed in a cross-sectional, observational, descriptive study of patients admitted to the hospital from January 1 through June 30, 2011. RESULTS A total of 15,534 patients were admitted to the hospital during the study period. The rate of inclusion of allergy information in the EHRs was 64.4%. In 2,106 patients an alert was activated to declare an allergy, intolerance, or any other type of adverse reaction. Drugs were the most common responsible agent (74.4%), followed by foods (12.6%) and materials (4.8%). Entries for drug allergy or intolerance were more common in females (64.8%) than males, with a significant statistical difference (P < .01), and increased proportionally with age. Entries for food allergy or intolerance were also more common in females (58.0%) than males (P < .01), but this trend was reversed in the 0- to 15-year-old age group. By contrast, the entries for food allergy or intolerance decreased proportionally with age. In 7,907 cases the EHRs revealed that patients were free of allergies, intolerances, or any other type of adverse reactions. CONCLUSION Drug allergy was the most frequently reported allergic condition, followed by foods and materials. Allergy alerts vary depending on age and sex. The proper use of a system for allergy alerts included in EHRs provides valuable information about hospitalized patients, contributing to the improvement of clinical practice.
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202
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Chen CJ, Cheng CF, Lin HY, Hung SP, Chen WC, Lin MS. A comprehensive 4-year survey of adverse drug reactions using a network-based hospital system. J Clin Pharm Ther 2012; 37:647-51. [PMID: 22646235 DOI: 10.1111/j.1365-2710.2012.01359.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
WHAT IS KNOWN AND OBJECTIVE Spontaneous Adverse Drug Reaction Reporting Systems (ADRRS) provide early warnings or 'signals' for adverse drug reactions (ADRs). Our aim was to survey reports of ADRs made through our teaching-hospital-based pharmacovigilance system to identify the drugs most commonly associated with allergies and the types of immunological reactions reported. METHODS Adverse drug reactions records were retrieved from our network-based electronic notification system. RESULTS AND DISCUSSION Four hundred and seventy four reports of adverse drug effects were studied. 37.3% of the reactions were immune-mediated drug hypersensitivity reactions. True drug hypersensitivity reactions involving IgE-mediated drug allergies accounted for 15% of all reactions. Of the drug hypersensitivity reactions, more than half (67%) were morbilliform skin eruptions, whereas cases of urticaria accounted for 20%. Antibiotics (33% of cases) were the most commonly reported drug allergies, followed by non-steroidal anti-inflammatory drugs (13%) and anti-epileptic agents (10%). WHAT IS NEW AND CONCLUSIONS A hospital-based ADR reporting system can generate useful data. In our study, antibiotics accounted for the majority of drug allergies, particularly anaphylactic reactions. More cases of drug allergies were owing to cephalosporin allergies than penicillins. Anti-epileptic agents caused most of the severe drug hypersensitivity syndromes.
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Affiliation(s)
- C-J Chen
- Department of Pediatrics, Cathay General Hospital, Taipei, Taiwan
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203
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Schneider G, Kachroo S, Jones N, Crean S, Rotella P, Avetisyan R, Reynolds MW. A systematic review of validated methods for identifying hypersensitivity reactions other than anaphylaxis (fever, rash, and lymphadenopathy), using administrative and claims data. Pharmacoepidemiol Drug Saf 2012; 21 Suppl 1:248-55. [PMID: 22262613 DOI: 10.1002/pds.2333] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
PURPOSE The Food and Drug Administration's Mini-Sentinel pilot program aims to conduct active surveillance to refine safety signals that emerge for marketed medical products. A key facet of this surveillance is to develop and understand the validity of algorithms for identifying health outcomes of interest from administrative and claims data. This article summarizes the process and findings of the algorithm review of hypersensitivity reactions. METHODS PubMed and Iowa Drug Information Service searches were conducted to identify citations applicable to the hypersensitivity reactions of health outcomes of interest. Level 1 abstract reviews and Level 2 full-text reviews were conducted to find articles using administrative and claims data to identify hypersensitivity reactions and including validation estimates of the coding algorithms. RESULTS We identified five studies that provided validated hypersensitivity-reaction algorithms. Algorithm positive predictive values (PPVs) for various definitions of hypersensitivity reactions ranged from 3% to 95%. PPVs were high (i.e. 90%-95%) when both exposures and diagnoses were very specific. PPV generally decreased when the definition of hypersensitivity was expanded, except in one study that used data mining methodology for algorithm development. CONCLUSIONS The ability of coding algorithms to identify hypersensitivity reactions varied, with decreasing performance occurring with expanded outcome definitions. This examination of hypersensitivity-reaction coding algorithms provides an example of surveillance bias resulting from outcome definitions that include mild cases. Data mining may provide tools for algorithm development for hypersensitivity and other health outcomes. Research needs to be conducted on designing validation studies to test hypersensitivity-reaction algorithms and estimating their predictive power, sensitivity, and specificity.
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van der Steen JT, Lane P, Kowall NW, Knol DL, Volicer L. Antibiotics and mortality in patients with lower respiratory infection and advanced dementia. J Am Med Dir Assoc 2012; 13:156-61. [PMID: 21450193 PMCID: PMC6290468 DOI: 10.1016/j.jamda.2010.07.001] [Citation(s) in RCA: 69] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2010] [Revised: 06/30/2010] [Accepted: 07/01/2010] [Indexed: 11/15/2022]
Abstract
OBJECTIVES To describe long-term mortality rate and to assess associations between mortality rate and antibiotic treatment of lower respiratory infection in patients with advanced dementia; antibiotic treatment allocation was independent of mortality risk-leaving less room for biased associations than in previous multicenter observational studies. DESIGN Prospective study (2004-2009). Multilevel Cox proportional hazard analyses with adjustment for mortality risk were used to assess associations between antibiotics and mortality using time-dependent covariates. SETTING A US Department of Veterans Affairs nursing home. PARTICIPANTS Ninety-four residents with advanced dementia who developed 109 episodes. MEASUREMENTS Survival, treatment, mortality risk, illness severity, fluid intake, and several other patient characteristics. RESULTS Ten-day mortality was 48%, and 6-month mortality was 74%. Antibiotics were used in 77% of episodes. Overall, antibiotics were not associated with mortality rate (Hazard Ratio [HR] 0.70, Confidence Interval [CI] 0.38-1.30); however, antibiotics were associated with reduced 10-day mortality rate (HR 0.51, CI, 0.30-0.87; rate after 10 days: 1.5, CI 0.42-5.2). Benefit from antibiotics was less likely with inadequate fluid intake, and when experiencing the first episode. CONCLUSION In our sample of male nursing home residents with advanced dementia and lower respiratory infection, mortality was substantial despite antibiotic treatment. Antibiotics prolonged life but in many cases only for several days. Treatment decisions should take into account that antibiotics may delay death but may also prolong the dying process, indicating a need for accurate prediction of mortality and study of characteristics that may alter effectiveness of antibiotics.
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Affiliation(s)
- Jenny T. van der Steen
- EMGO Institute for Health and Care Research, VU University Medical Center, Amsterdam, The Netherlands
- Department of Nursing Home Medicine, VU University Medical Center, Amsterdam, The Netherlands
- Department of Public and Occupational Health, VU University Medical Center, Amsterdam, The Netherlands
| | - Patricia Lane
- E.N. Rogers Memorial Veterans Hospital, Geriatric Research Education Clinical Center, Bedford, MA
| | - Neil W. Kowall
- E.N. Rogers Memorial Veterans Hospital, Geriatric Research Education Clinical Center, Bedford, MA
- Boston University School of Medicine, Boston, MA
- Boston University Alzheimer’s Disease Center and Neurology Service, VA Boston Healthcare System, Boston, MA
| | - Dirk L. Knol
- EMGO Institute for Health and Care Research, VU University Medical Center, Amsterdam, The Netherlands
- Department of Epidemiology and Biostatistics, VU University Medical Center, Amsterdam, The Netherlands
| | - Ladislav Volicer
- School of Aging Studies University of South Florida, Tampa, FL
- Charles University Medical School, Prague, Czech Republic (formerly: E.N. Rogers Memorial Veterans Hospital, Geriatric Research Education Clinical Center, Bedford, MA)
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Macy E, Ho NJ. Multiple drug intolerance syndrome: prevalence, clinical characteristics, and management. Ann Allergy Asthma Immunol 2011; 108:88-93. [PMID: 22289726 DOI: 10.1016/j.anai.2011.11.006] [Citation(s) in RCA: 126] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2011] [Revised: 11/07/2011] [Accepted: 11/20/2011] [Indexed: 11/16/2022]
Abstract
BACKGROUND Population-based data on the demographics and clinical characteristics of patients with multiple unrelated drug class intolerances noted in their medical records are lacking. OBJECTIVES To provide population-based drug "allergy" incidence rates and prevalence, and to identify individuals with multiple drug intolerance syndrome (MDIS) defined by 3 or more unrelated drug class "allergies," and to provide demographic and clinical information on MDIS cases. METHODS Electronic medical record data from 2,375,424 Kaiser Permanente Southern California health plan members who had a health care visit and at least 11 months of health care coverage during 2009 were reviewed. Population-based drug "allergy" incidence rates and prevalence were determined for 23 unrelated medication classes. RESULTS On January 1, 2009, 478,283 (20.1%) health plan members had at least one reported "allergy." Individuals with a history of at least 1 "allergy" and females, in general, reported higher population-based new "allergy" incidence rates. Multiple drug intolerance syndrome was present in 49,582 (2.1%). The MDIS cases were significantly older, 62.4 ± 16.1 years; heavier, body mass index 29.3 ± 7.1; and likely to be female, 84.9%, compared with average health plan members. They had high rates of health care utilization, medication usage, and new drug "allergy" incidence. They sought medical attention for common nonmorbid conditions. CONCLUSIONS Multiple drug intolerance syndrome is in part iatrogenic. It is associated with overweight elderly women who have high rates of health care and medication usage. Urticarial syndromes only explain a small fraction of MDIS cases. Multiple drug intolerance syndrome is associated with anxiety, but not predominately with immunoglobulin E (IgE)-mediated allergy or life-threatening illness. Multiple drug intolerance syndrome can be managed by medication avoidance and judicious rechallenge.
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Affiliation(s)
- Eric Macy
- Southern California Permanente Medical Group, Department of Allergy, San Diego Medical Center, San Diego, California, USA.
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206
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Macy E, Ho NJ. Adverse reactions associated with therapeutic antibiotic use after penicillin skin testing. Perm J 2011; 15:31-7. [PMID: 21841922 DOI: 10.7812/tpp/11-025] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND There is little prospective data on the antibiotics prescribed and the adverse reactions associated with their use after penicillin skin testing. OBJECTIVE Provide data on antibiotic use and new antibiotic "allergy" incidence after penicillin skin testing. METHODS All patients who had penicillin skin testing at our Medical Center between 1-1-2000 and 12-31-2004 were followed through 12-31-2009. All therapeutic antibiotic use and all new "allergies" listed in their electronic medical records were reviewed. RESULTS There were 1684 study subjects of whom 1191 (70.7%) were female. There were 118 (7.0%) positive to at least one penicillin skin test reagent and 3 (0.2%) were positive only to amoxicillin. The mean follow-up period was 4.5 ± 2.9 years. Subjects were exposed to a mean of 8.2 ± 10.5 therapeutic antibiotic courses during follow-up. The highest new antibiotic "allergy" incidence rates in skin test-negative subjects were noted for penicillins, 2.9%, and sulfonamides, 2.7%, p = 0.9097. Females had higher overall incidences of new antibiotic "allergy," independent of skin test result. Penicillin skin test-negative females treated with penicillin had a nonsignificantly higher new penicillin "allergy" incidence, 3.3% per course versus 1.9% for males, p = 0.0644. Cephalosporins had new antibiotic "allergy" incidence rates not significantly different from tetracyclines, quinolones, macrolides, clindamycin, metronidazole, nitrofurantoin, and other antibiotics. CONCLUSIONS Females had higher new antibiotic "allergy" incidence rates. New "allergy" to cephalosporins occurred no more frequently than with non-beta-lactam-antibiotics, independent of skin test result. Sulfonamide antibiotics were associated with the higher rates of new antibiotic "allergy" than cephalosporins.
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Affiliation(s)
- Eric Macy
- Department of Allergy at the San DiegoMedical Center; Southern California Permanente Medical Group, University of California, San Diego, USA.
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207
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González-Pérez R, Poza-Guedes P, Vives-Conesa R. The nose as a target organ in the diagnosis of severe aspirin-exacerbated respiratory disease. Am J Rhinol Allergy 2011; 25:166-9. [PMID: 21679527 DOI: 10.2500/ajra.2011.25.3591] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND The nasal provocation test (NPT) with lysine aspirin is a useful tool in the diagnosis of aspirin-exacerbated respiratory disease (AERD), previously reffered to as Samter's disease. The aim of the present study focuses on methodological interventions to show the usefulness of the NPT with lysine aspirin in differentiating AERD patients from aspirin-tolerant asthma (ATA) patients to improve the diagnostic efficacy and minimize the risk for adverse reactions compared with the gold standard. METHODS Thirty AERD patients comprised the active study group while the control group consisted of 25 ATA patients. A combination of objective nasal aerodynamic response (i.e., nasal inspiratory flow and nasal inspiratory resistance) was evaluated by active anterior rhinomanometry and the subjective clinical nasal and extranasal symptoms (including forced expiratory volume) were monitored throughout the challenge. RESULTS Fifty-five NPTs were successfully completed: sensitivity, 87%; specificity, 100%; positive predictive value, 100%; negative predictive value, 86%; global efficacy, 92.72%. No severe adverse reactions were recorded. CONCLUSION The present NPT with lysine aspirin proved to be a safe, efficient, and a timesaving method in the diagnosis of patients with AERD, even in those with severe rhinitis-rhinosinusitis and/or recurrent nasal polyposis.
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Affiliation(s)
- Ruperto González-Pérez
- Servicio de Alergia, Hospital Universitario N.Sra. La Candelaria, Santa Cruz de Tenerife, Spain.
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208
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Macy E. The clinical evaluation of penicillin allergy: what is necessary, sufficient and safe given the materials currently available? Clin Exp Allergy 2011; 41:1498-501. [DOI: 10.1111/j.1365-2222.2011.03837.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- E. Macy
- Southern California Permanente Medical Group; Department of Allergy; San Diego Medical Center; San Diego,; CA; USA
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209
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Rubio M, Bousquet PJ, Gomes E, Romano A, Demoly P. Results of drug hypersensitivity evaluations in a large group of children and adults. Clin Exp Allergy 2011; 42:123-30. [PMID: 22092779 DOI: 10.1111/j.1365-2222.2011.03887.x] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2011] [Revised: 09/04/2011] [Accepted: 09/06/2011] [Indexed: 12/01/2022]
Abstract
BACKGROUND Proven IgE or T-cell mediated drug hypersensitivity reactions (DHRs) seem less common in children compared with adults. However, this has never been proved by data. OBJECTIVE To determine and compare proven DHR prevalence in children and adults. METHODS Using the DAHD (Drug Allergy and Hypersensitivity Database) cohort, children with proven DHRs were compared with adults. The international EAACI-ENDA recommendations were followed. Patients were divided into four groups: index reaction and test during childhood (C/C), index reaction at childhood and test at adulthood (C/A), index reactions at childhood and adulthood and test at adulthood (CA/A), index reaction and test at adulthood (A/A). RESULTS A total of 3275 patients (67.9% female), comprising a total of 4370 patient-episodes, were evaluated (74.5% belonged to the A/A group). Prevalence of positive tests was 15.2% (95%CI, 14.1-16.2) for all tested classes, 10.6% (8.3-13.0) for C/C, 10.6% (7.5-13.6) for C/A, 22.1% (12.8-31.3) for CA/A and 16.5% (15.2-17.8) for A/A. The prevalence was lower in group C/C compared with groups A/A (P < 0.0001) and CA/A (P = 0.003). It was also lower in group C/A compared with the two latter groups (respectively P = 0.003 and P = 0.005). Significant differences were found for maculopapular exanthemas only, and not for urticaria/angiœdema and anaphylaxis. The difference was mainly observed with β-lactams and not for NSAIDs. CONCLUSION AND CLINICAL RELEVANCE Suspicions of DHRs are less likely to be confirmed in children.
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Affiliation(s)
- M Rubio
- Allergy Department and INSERM U657, Hôpital Arnaud de Villeneuve, University Hospital of Montpellier, Montpellier, France
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210
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Park IU, Chow JM, Bolan G, Stanley M, Shieh J, Schapiro JM. Screening for syphilis with the treponemal immunoassay: analysis of discordant serology results and implications for clinical management. J Infect Dis 2011; 204:1297-304. [PMID: 21930610 DOI: 10.1093/infdis/jir524] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
BACKGROUND Screening for syphilis with treponemal chemiluminescence immunoassays (CIA) identifies patients with discordant serology who are not identified with traditional screening methods (eg, CIA-positive, rapid plasma regain (RPR)-negative). We sought to describe the clinical characteristics and management of patients with discordant syphilis serology. METHODS From August 2007-October 2007, patients with CIA-positive, RPR-negative serology were tested with the Treponema pallidum particle agglutination assay (TP-PA) at Kaiser Permanente Northern California. Clinical and demographic characteristics, prior syphilis history and CIA index values were compared for CIA-positive, RPR-negative patients according to TP-PA status. RESULTS Of 21,623 assays, 439 (2%) were CIA-positive and 255/439 (58%) were RPR-negative; subsequently, 184 (72%) were TP-PA-positive and 71 (28%) were TP-PA--negative. TP-PA--positive patients were more likely to be male, HIV-positive, homosexual, previously treated for syphilis (57% versus 9%), with higher median CIA index values (9.8 versus 1.6) (all P < .0001). After repeat testing, 7/31 (23%) CIA-positive, RPR-negative, TP-PA--negative patients seroreverted to CIA-negative. CONCLUSIONS TP-PA results in conjunction with clinical/behavioral assessment helped guide the management of patients with CIA-positive, RPR-negative serology. TP-PA-positive patients were both highly likely to have prior syphilis and major epidemiologic risk factors for syphilis. CIA-positive, RPR-negative, TP-PA-negative serology may represent a false-positive CIA in low-prevalence populations.
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Affiliation(s)
- Ina U Park
- California Department of Public Health-STD Control Branch, Richmond, CA 94804, USA.
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211
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Pipet A, Veyrac G, Wessel F, Jolliet P, Magnan A, Demoly P, Bousquet PJ. A statement on cefazolin immediate hypersensitivity: data from a large database, and focus on the cross-reactivities. Clin Exp Allergy 2011; 41:1602-8. [PMID: 22093010 DOI: 10.1111/j.1365-2222.2011.03846.x] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2010] [Revised: 06/23/2011] [Accepted: 07/06/2011] [Indexed: 11/29/2022]
Abstract
BACKGROUND More perioperative cefazolin use has resulted in an increased risk of cefazolin-associated reactions. OBJECTIVE The aim of this article is to study immediate reactions to cefazolin and attempt to determine possible allergic cross-reactivity with other ß-lactams using data from the Drug Allergy and Hypersensitivity Database (DAHD). METHODS All 25 cefazolin-associated reactions in the DAHD were reviewed. The cases identified were then investigated according to the European Network for Drug Allergy (ENDA) recommendations by skin testing and challenges. RESULTS A total of 10 individuals with proven IgE-mediated cefazolin hypersensitivity were identified between January 1999 and July 2009. All the index reactions were compatible with an acute IgE-mediated process, six with anaphylaxis, two with systemic allergic reactions without hypotension, and two with urticaria/angioedema. Cefazolin skin tests were positive in seven individuals and cefazolin challenges were positive in three more individuals. In the eight cefazolin allergic patients who had challenges with other ß-lactams, there was no positive reaction noted. CONCLUSION AND CLINICAL RELEVANCE In this cohort of patients with IgE-mediated reactions to cefazolin, a majority tolerated amoxicillin and several patients tolerated other cephalosporins. This implies that the R1 side-chain may play an essential role in IgE-mediated reactions to cefazolin. No clear rule to predict cross-reactivity with other ß-lactams could be determined. More research on IgE-mediated hypersensitivity to cefazolin and other cephalosporins is needed.
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Affiliation(s)
- A Pipet
- INSERM U 915, L'institut du thorax, Nantes, France.
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212
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A population-based epidemiologic study of emergency department visits for anaphylaxis in Florida. J Allergy Clin Immunol 2011; 128:594-600.e1. [PMID: 21714994 DOI: 10.1016/j.jaci.2011.04.049] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2009] [Revised: 03/08/2011] [Accepted: 04/12/2011] [Indexed: 12/19/2022]
Abstract
BACKGROUND Previous population-based analyses of emergency department (ED) visits for anaphylaxis have been limited to small populations in limited geographic areas and focused on children or have included patients who had allergic conditions other than anaphylaxis. OBJECTIVE We sought to describe the epidemiology and risk factors among patients with anaphylaxis presenting to Florida EDs. METHODS Two thousand seven hundred fifty-one patients with anaphylaxis were identified for 2005-2006 within ED records by using the International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM), and a validated ICD-9-CM-based algorithm. Age- and sex-specific rates were calculated. Regression analyses were used to determine relative risks for anaphylaxis caused by various triggers (food, venom, and medication) and risk factors (age, sex, race, and ethnicity). RESULTS The highest observed rates were among the youngest male subjects (8.2/100,000 Floridians aged 0-4 years) and among adult female subjects (15-54 years) grouped in 10-year age categories (9.9-10.9/100,000 Floridians). Male and black subjects were 20% and 25%, respectively, more likely to have a food trigger than female and white subjects. White, male, and older subjects were more likely to have an anaphylaxis-related ED visit caused by insect stings. Venom-induced anaphylaxis was more likely in August through October. Children were less likely than those older than 70 years (referent) to have medication-induced anaphylaxis (P < .03). CONCLUSION This is the only ED-based population study in a US lower-latitude state. The overall rate is considerably lower than other US ED-based population studies. The rates of anaphylaxis by age group differed by sex. Male and black subjects were more likely to have a food trigger.
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213
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de Jong J, Bos JHJ, de Vries TW, de Jong-van den Berg LTW. Could adverse reactions of antibiotic drugs in children be detected in a prescription database? Pharmacoepidemiol Drug Saf 2011; 20:300-3. [DOI: 10.1002/pds.2099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2010] [Revised: 12/03/2010] [Accepted: 12/08/2010] [Indexed: 11/09/2022]
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214
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Immediate-type drug hypersensitivity and associated factors in a general population. Allergol Immunopathol (Madr) 2011; 39:27-31. [PMID: 20675031 DOI: 10.1016/j.aller.2010.02.009] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2009] [Revised: 02/02/2010] [Accepted: 02/08/2010] [Indexed: 11/23/2022]
Abstract
BACKGROUND Our aim was to assess the prevalence and associated risk factors of common hypersensitivity reactions to drugs in the adult population, for which limited data are available. METHODS The data consisted of 1052 questionnaires obtained from adults. The questionnaires consisted of questions on immediate-type hypersensitivity reactions induced by drugs (itching, skin rash/hives, angio-oedema, shortness of breath, hypotension, and loss of consciousness). The questionnaire added knowledge on physician's diagnosis of asthma, allergic rhinitis, eczema, and other chronic systemic diseases. RESULTS The prevalence of self-reported drug hypersensitivity reactions was 11.8% for all reactions. Hypersensitivity reactions to analgesics were the most common (37.2%) followed by antibiotics (24.2%). Multivariate analysis showed that female gender (Odds Ratio (OR) 95% Confidence Interval (CI) (2.00 (1.25-3.21)), physician-diagnosed allergic rhinitis (3.03 (1.64-5.59)), and eczema (3.22 (1.87-5.53)) were associated with any type of drug hypersensitivity reactions. Itching was associated with allergic rhinitis (4.50 (2.06-9.81)) and eczema diagnosis (4.24 (2.14-8.64)). Skin rash/hives were associated with female gender (2.67 (1.24-5.74)), allergic rhinitis (4.57 (1.99-10.05)), and eczema (5.36 (2.65-10.84)). Angio-oedema was higher in females (5.74 (1.69-18.5)). In addition, eczema (2.87 (1.12-7.32)) and systemic hypertension (2.60(1.03-6.10)) were associated with angio-oedema. Shortness of breath was only associated with ever asthma diagnosis (6.59 (2.09-20.83)). Factors associated with loss of consciousness were female gender (5.56 (1.27-24.30)), allergic rhinitis diagnosis (4.76 (1.73-13.14)), and systemic hypertension (2.74 (1.02-7.41)). CONCLUSION The study showed that females and subjects with allergic diseases and hypertension were more susceptible to drug hypersensitivity reactions.
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Macy E, Goldberg B, Poon KYT. Use of commercial anti-penicillin IgE fluorometric enzyme immunoassays to diagnose penicillin allergy. Ann Allergy Asthma Immunol 2010; 105:136-41. [PMID: 20674824 DOI: 10.1016/j.anai.2010.06.014] [Citation(s) in RCA: 73] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2010] [Revised: 06/17/2010] [Accepted: 06/19/2010] [Indexed: 10/19/2022]
Abstract
BACKGROUND The intermittent unavailability of penicilloyl-polylysine since September 2000 has focused interest on commercial anti-penicillin IgE fluorometric enzyme immunoassay (FEIA) tests to evaluate penicillin allergy. There has been no published comparison of commercial anti-penicillin IgE FEIAs and penicillin skin testing performed in the United States. OBJECTIVE To determine whether the current commercial anti-penicillin IgE FEIAs can replace or augment penicillin skin testing and oral challenges when evaluating individuals with a history of penicillin allergy for future therapeutic penicillin tolerance. METHODS A prospective convenience sample of 150 individuals with a history of penicillin allergy were evaluated between January 23, 2007, and August 4, 2009, with both penicillin skin tests and commercial anti-penicillin IgE FEIAs to penicillin G, penicillin V, and amoxicillin. All individuals with a negative penicillin skin test result underwent oral penicillin class antibiotic challenges. All individuals with a positive anti-penicillin IgE FEIA result also underwent oral penicillin class antibiotic challenges. RESULTS Six individuals (4.0%; 95% confidence interval [CI], 0.9% to 7.1%) had positive penicillin skin test results, and none had positive FEIA results. Four individuals (2.7%; 95% CI, 0.1% to 5.3%) had positive FEIA results, and none had positive penicillin skin test results. Three individuals (2.0%; 95% CI, -0.2% to 4.2%) had positive oral challenge results, 1 with hives at 6 hours after challenge and 2 with delayed-onset (at >24 hours) nonurticarial rashes, and none had positive FEIA results. CONCLUSIONS The current commercial anti-penicillin IgE FEIAs are not useful in diagnosing penicillin allergy in patients with remote histories of penicillin allergy. Penicillin skin testing and, if the results are negative, an oral challenge remain the criterion standard tests to determine therapeutic penicillin tolerance.
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Affiliation(s)
- Eric Macy
- Southern California Permanente Medical Group, Department of Allergy, San Diego Medical Center, San Diego, California, USA.
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217
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219
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Current World Literature. Curr Opin Allergy Clin Immunol 2010; 10:267-70. [DOI: 10.1097/aci.0b013e32833aa149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Current awareness: Pharmacoepidemiology and drug safety. Pharmacoepidemiol Drug Saf 2010. [DOI: 10.1002/pds.1847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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