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Ebell MH, McKay B, Dale A, Guilbault R, Ermias Y. Accuracy of Signs and Symptoms for the Diagnosis of Acute Rhinosinusitis and Acute Bacterial Rhinosinusitis. Ann Fam Med 2019; 17:164-172. [PMID: 30858261 PMCID: PMC6411403 DOI: 10.1370/afm.2354] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2018] [Revised: 11/22/2018] [Accepted: 12/13/2018] [Indexed: 11/09/2022] Open
Abstract
PURPOSE To evaluate the accuracy of signs and symptoms for the diagnosis of acute rhinosinusitis (ARS). METHODS We searched Medline to identify studies of outpatients with clinically suspected ARS and sufficient data reported to calculate the sensitivity and specificity. Of 1,649 studies initially identified, 17 met our inclusion criteria. Acute rhinosinusitis was diagnosed by any valid reference standard, whereas acute bacterial rhinosinusitis (ABRS) was diagnosed by purulence on antral puncture or positive bacterial culture. We used bivariate meta-analysis to calculate summary estimates of test accuracy. RESULTS Among patients with clinically suspected ARS, the prevalence of imaging confirmed ARS is 51% and ABRS is 31%. Clinical findings that best rule in ARS are purulent secretions in the middle meatus (positive likelihood ratio [LR+] 3.2) and the overall clinical impression (LR+ 3.0). The findings that best rule out ARS are the overall clinical impression (negative likelihood ratio [LR-] 0.37), normal transillumination (LR- 0.55), the absence of preceding respiratory tract infection (LR- 0.48), any nasal discharge (LR- 0.49), and purulent nasal discharge (LR- 0.54). Based on limited data, the overall clinical impression (LR+ 3.8, LR- 0.34), cacosmia (fetid odor on the breath) (LR+ 4.3, LR- 0.86) and pain in the teeth (LR+ 2.0, LR- 0.77) are the best predictors of ABRS. While several clinical decision rules have been proposed, none have been prospectively validated. CONCLUSIONS Among patients with clinically suspected ARS, only about one-third have ABRS. The overall clinical impression, cacosmia, and pain in the teeth are the best predictors of ABRS. Clinical decision rules, including those incorporating C-reactive protein, and use of urine dipsticks are promising, but require prospective validation.
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Affiliation(s)
- Mark H Ebell
- Department of Epidemiology and Biostatistics, College of Public Health, the University of Georgia, Athens, Georgia
| | - Brian McKay
- Department of Epidemiology and Biostatistics, College of Public Health, the University of Georgia, Athens, Georgia
| | - Ariella Dale
- Department of Epidemiology and Biostatistics, College of Public Health, the University of Georgia, Athens, Georgia
| | - Ryan Guilbault
- Department of Epidemiology and Biostatistics, College of Public Health, the University of Georgia, Athens, Georgia
| | - Yokabed Ermias
- Department of Epidemiology and Biostatistics, College of Public Health, the University of Georgia, Athens, Georgia
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Cohen JF, Cohen R, Levy C, Thollot F, Benani M, Bidet P, Chalumeau M. Selective testing strategies for diagnosing group A streptococcal infection in children with pharyngitis: a systematic review and prospective multicentre external validation study. CMAJ 2014; 187:23-32. [PMID: 25487666 DOI: 10.1503/cmaj.140772] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
BACKGROUND Several clinical prediction rules for diagnosing group A streptococcal infection in children with pharyngitis are available. We aimed to compare the diagnostic accuracy of rules-based selective testing strategies in a prospective cohort of children with pharyngitis. METHODS We identified clinical prediction rules through a systematic search of MEDLINE and Embase (1975-2014), which we then validated in a prospective cohort involving French children who presented with pharyngitis during a 1-year period (2010-2011). We diagnosed infection with group A streptococcus using two throat swabs: one obtained for a rapid antigen detection test (StreptAtest, Dectrapharm) and one obtained for culture (reference standard). We validated rules-based selective testing strategies as follows: low risk of group A streptococcal infection, no further testing or antibiotic therapy needed; intermediate risk of infection, rapid antigen detection for all patients and antibiotic therapy for those with a positive test result; and high risk of infection, empiric antibiotic treatment. RESULTS We identified 8 clinical prediction rules, 6 of which could be prospectively validated. Sensitivity and specificity of rules-based selective testing strategies ranged from 66% (95% confidence interval [CI] 61-72) to 94% (95% CI 92-97) and from 40% (95% CI 35-45) to 88% (95% CI 85-91), respectively. Use of rapid antigen detection testing following the clinical prediction rule ranged from 24% (95% CI 21-27) to 86% (95% CI 84-89). None of the rules-based selective testing strategies achieved our diagnostic accuracy target (sensitivity and specificity>85%). INTERPRETATION Rules-based selective testing strategies did not show sufficient diagnostic accuracy in this study population. The relevance of clinical prediction rules for determining which children with pharyngitis should undergo a rapid antigen detection test remains questionable.
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Affiliation(s)
- Jérémie F Cohen
- Obstetrical, Perinatal and Pediatric Epidemiology Research Team (Cohen J.F., Chalumeau), Research Center for Epidemiology and Biostatistics Sorbonne Paris Cité, Paris Descartes University, Paris, France; Department of Pediatrics (Cohen J.F., Chalumeau), Necker-Enfants-Malades Hospital, Assistance Publique-Hôpitaux de Paris, Paris Descartes University, Paris, France; Association Clinique et Thérapeutique Infantile du Val-de-Marne (Cohen R., Levy, Benani), Saint-Maur-des-Fossés, France; Department of Microbiology (Cohen R.), Centre Hospitalier Intercommunal de Créteil, Créteil, France; Clinical Research Center (Levy), Centre Hospitalier Intercommunal de Créteil, Créteil, France; Association Française de Pédiatrie Ambulatoire (Thollot), Essey-lès-Nancy, France; Department of Microbiology (Bidet), Robert Debré Hospital, Assistance Publique-Hôpitaux de Paris, Paris Diderot University, Sorbonne Paris Cité, Paris, France
| | - Robert Cohen
- Obstetrical, Perinatal and Pediatric Epidemiology Research Team (Cohen J.F., Chalumeau), Research Center for Epidemiology and Biostatistics Sorbonne Paris Cité, Paris Descartes University, Paris, France; Department of Pediatrics (Cohen J.F., Chalumeau), Necker-Enfants-Malades Hospital, Assistance Publique-Hôpitaux de Paris, Paris Descartes University, Paris, France; Association Clinique et Thérapeutique Infantile du Val-de-Marne (Cohen R., Levy, Benani), Saint-Maur-des-Fossés, France; Department of Microbiology (Cohen R.), Centre Hospitalier Intercommunal de Créteil, Créteil, France; Clinical Research Center (Levy), Centre Hospitalier Intercommunal de Créteil, Créteil, France; Association Française de Pédiatrie Ambulatoire (Thollot), Essey-lès-Nancy, France; Department of Microbiology (Bidet), Robert Debré Hospital, Assistance Publique-Hôpitaux de Paris, Paris Diderot University, Sorbonne Paris Cité, Paris, France
| | - Corinne Levy
- Obstetrical, Perinatal and Pediatric Epidemiology Research Team (Cohen J.F., Chalumeau), Research Center for Epidemiology and Biostatistics Sorbonne Paris Cité, Paris Descartes University, Paris, France; Department of Pediatrics (Cohen J.F., Chalumeau), Necker-Enfants-Malades Hospital, Assistance Publique-Hôpitaux de Paris, Paris Descartes University, Paris, France; Association Clinique et Thérapeutique Infantile du Val-de-Marne (Cohen R., Levy, Benani), Saint-Maur-des-Fossés, France; Department of Microbiology (Cohen R.), Centre Hospitalier Intercommunal de Créteil, Créteil, France; Clinical Research Center (Levy), Centre Hospitalier Intercommunal de Créteil, Créteil, France; Association Française de Pédiatrie Ambulatoire (Thollot), Essey-lès-Nancy, France; Department of Microbiology (Bidet), Robert Debré Hospital, Assistance Publique-Hôpitaux de Paris, Paris Diderot University, Sorbonne Paris Cité, Paris, France
| | - Franck Thollot
- Obstetrical, Perinatal and Pediatric Epidemiology Research Team (Cohen J.F., Chalumeau), Research Center for Epidemiology and Biostatistics Sorbonne Paris Cité, Paris Descartes University, Paris, France; Department of Pediatrics (Cohen J.F., Chalumeau), Necker-Enfants-Malades Hospital, Assistance Publique-Hôpitaux de Paris, Paris Descartes University, Paris, France; Association Clinique et Thérapeutique Infantile du Val-de-Marne (Cohen R., Levy, Benani), Saint-Maur-des-Fossés, France; Department of Microbiology (Cohen R.), Centre Hospitalier Intercommunal de Créteil, Créteil, France; Clinical Research Center (Levy), Centre Hospitalier Intercommunal de Créteil, Créteil, France; Association Française de Pédiatrie Ambulatoire (Thollot), Essey-lès-Nancy, France; Department of Microbiology (Bidet), Robert Debré Hospital, Assistance Publique-Hôpitaux de Paris, Paris Diderot University, Sorbonne Paris Cité, Paris, France
| | - Mohamed Benani
- Obstetrical, Perinatal and Pediatric Epidemiology Research Team (Cohen J.F., Chalumeau), Research Center for Epidemiology and Biostatistics Sorbonne Paris Cité, Paris Descartes University, Paris, France; Department of Pediatrics (Cohen J.F., Chalumeau), Necker-Enfants-Malades Hospital, Assistance Publique-Hôpitaux de Paris, Paris Descartes University, Paris, France; Association Clinique et Thérapeutique Infantile du Val-de-Marne (Cohen R., Levy, Benani), Saint-Maur-des-Fossés, France; Department of Microbiology (Cohen R.), Centre Hospitalier Intercommunal de Créteil, Créteil, France; Clinical Research Center (Levy), Centre Hospitalier Intercommunal de Créteil, Créteil, France; Association Française de Pédiatrie Ambulatoire (Thollot), Essey-lès-Nancy, France; Department of Microbiology (Bidet), Robert Debré Hospital, Assistance Publique-Hôpitaux de Paris, Paris Diderot University, Sorbonne Paris Cité, Paris, France
| | - Philippe Bidet
- Obstetrical, Perinatal and Pediatric Epidemiology Research Team (Cohen J.F., Chalumeau), Research Center for Epidemiology and Biostatistics Sorbonne Paris Cité, Paris Descartes University, Paris, France; Department of Pediatrics (Cohen J.F., Chalumeau), Necker-Enfants-Malades Hospital, Assistance Publique-Hôpitaux de Paris, Paris Descartes University, Paris, France; Association Clinique et Thérapeutique Infantile du Val-de-Marne (Cohen R., Levy, Benani), Saint-Maur-des-Fossés, France; Department of Microbiology (Cohen R.), Centre Hospitalier Intercommunal de Créteil, Créteil, France; Clinical Research Center (Levy), Centre Hospitalier Intercommunal de Créteil, Créteil, France; Association Française de Pédiatrie Ambulatoire (Thollot), Essey-lès-Nancy, France; Department of Microbiology (Bidet), Robert Debré Hospital, Assistance Publique-Hôpitaux de Paris, Paris Diderot University, Sorbonne Paris Cité, Paris, France
| | - Martin Chalumeau
- Obstetrical, Perinatal and Pediatric Epidemiology Research Team (Cohen J.F., Chalumeau), Research Center for Epidemiology and Biostatistics Sorbonne Paris Cité, Paris Descartes University, Paris, France; Department of Pediatrics (Cohen J.F., Chalumeau), Necker-Enfants-Malades Hospital, Assistance Publique-Hôpitaux de Paris, Paris Descartes University, Paris, France; Association Clinique et Thérapeutique Infantile du Val-de-Marne (Cohen R., Levy, Benani), Saint-Maur-des-Fossés, France; Department of Microbiology (Cohen R.), Centre Hospitalier Intercommunal de Créteil, Créteil, France; Clinical Research Center (Levy), Centre Hospitalier Intercommunal de Créteil, Créteil, France; Association Française de Pédiatrie Ambulatoire (Thollot), Essey-lès-Nancy, France; Department of Microbiology (Bidet), Robert Debré Hospital, Assistance Publique-Hôpitaux de Paris, Paris Diderot University, Sorbonne Paris Cité, Paris, France
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Naina P, Anandan S, Mathews SS, Job A, Albert RR. Chronic Pharyngitis: Role of Atypical Organisms. Otolaryngol Head Neck Surg 2012; 147:894-9. [DOI: 10.1177/0194599812457344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Background Bacteria including Chlamydophila pneumoniae, Mycoplasma pneumoniae, and anaerobic bacteria such as Fusobacterium necrophorum have been implicated as etiological agents of chronic pharyngitis in Western literature. Because there are no data regarding this from India, the authors undertook this study. Study Design Prospective case-control study. Setting Tertiary-level medical college and hospital. Method In total, 343 consecutive adults with persistent throat pain and/or irritation (duration ≥3 months) were screened for known causes of pharyngitis by a thorough clinical and endoscopic examination. In 71 patients, the evaluation performed was unable to determine any cause, and these were considered cases. An enzyme-linked immunosorbent assay test to detect IgA and IgG antibodies to C pneumoniae and M pneumoniae was performed on 66 of these cases and 62 controls. The posterior pharyngeal swabs taken from both the cases and controls were subjected to aerobic and anaerobic culture. Results Individuals with chronic pharyngitis had a 3.43 times odds of being seropositive for C pneumoniae as compared with controls ( P = .001; odds ratio = 3.43). Aerobic organisms and M pneumoniae did not seem to be significant etiological agents for chronic pharyngitis. On the contrary, isolation of Fusobacterium spp was found to be significantly more in controls as compared with cases. Conclusion This study suggests an association between IgA antibodies to C pneumoniae and chronic pharyngitis. Further studies using more specific tests combined with long-term follow-up are needed to confirm these findings.
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Affiliation(s)
- P. Naina
- Department of ENT, Christian Medical College, Vellore, Tamil Nadu, India
| | - Shalini Anandan
- Department of Microbiology, Christian Medical College, Vellore, Tamil Nadu, India
| | - Suma Susan Mathews
- Department of ENT, Christian Medical College, Vellore, Tamil Nadu, India
| | - Anand Job
- Department of ENT, Christian Medical College, Vellore, Tamil Nadu, India
| | - Rita Ruby Albert
- Department of ENT, Christian Medical College, Vellore, Tamil Nadu, India
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Marin JR, Bilker W, Lautenbach E, Alpern ER. Reliability of clinical examinations for pediatric skin and soft-tissue infections. Pediatrics 2010; 126:925-30. [PMID: 20974788 PMCID: PMC3228243 DOI: 10.1542/peds.2010-1039] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
OBJECTIVE To determine the interrater reliability of clinical examination by pediatric emergency medicine physicians for the diagnosis of skin and soft-tissue infections (SSTIs). METHODS A cross-sectional study of patients presenting to a pediatric emergency department with SSTIs was performed. Each lesion was examined by a treating physician and a study physician (from a pool of 62 physicians) at the bedside during the emergency department visit. The primary outcome was reliability, as measured with the weighted κ statistic, for determining whether the lesion was an abscess and whether the lesion required a drainage procedure. RESULTS A total of 371 lesions were analyzed for interrater reliability. The weighted κ value for diagnosis of the lesion as an abscess was 0.39 (95% confidence interval: 0.32-0.47), and that for assessment of the need for drainage was 0.43 (95% confidence interval: 0.36-0.51). Agreement was statistically more likely for lesions in children ≥ 4 years of age but was not more likely for lesions in nonblack patients, lesions in patients with a history of or exposure to a close contact with a SSTI, or lesions examined by 2 experienced pediatric emergency medicine physicians. CONCLUSIONS Among the 62 participating physicians at our site, the reliability of the clinical examination was poor. This may indicate that improved education and/or more-objective means for diagnosing these infections in the acute care setting are warranted. Additional studies are needed to determine whether these results are generalizable to other settings.
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Affiliation(s)
- Jennifer R. Marin
- Division of Emergency Medicine, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania,Department of Pediatrics, Department of Epidemiology and Biostatistics, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Warren Bilker
- Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Ebbing Lautenbach
- Division of Infectious Diseases, Department of Medicine, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania,Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Elizabeth R. Alpern
- Division of Emergency Medicine, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania,Department of Pediatrics, Department of Epidemiology and Biostatistics, University of Pennsylvania, Philadelphia, Pennsylvania,Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania, Philadelphia, Pennsylvania
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