scholarly journals Commentary: McIntosh K, Chao RK, Krause HE, Wasil R, Mocega HE, Mufson MA. Coronavirus Infection in Acute Lower Respiratory Tract Disease of Infants. J Infect Dis 1974; 130:502–7.

2004 ◽  
Vol 190 (5) ◽  
pp. 1033-1041 ◽  
Author(s):  
Kenneth McIntosh
Keyword(s):  
Respiratory Tract ◽  
Lower Respiratory Tract ◽  
Respiratory Tract Disease ◽  
Lower Respiratory Tract Disease ◽  
Coronavirus Infection ◽  
Tract Disease

scholarly journals Coronavirus Infection in Acute Lower Respiratory Tract Disease of Infants

2004 ◽  
Vol 190 (5) ◽  
pp. 1036-1041 ◽  
Author(s):  
K. McIntosh ◽  
R. K. Chao ◽  
H. E. Krause ◽  
R. Wasil ◽  
H. E. Mocega ◽  
...  
Keyword(s):  
Respiratory Tract ◽  
Lower Respiratory Tract ◽  
Respiratory Tract Disease ◽  
Lower Respiratory Tract Disease ◽  
Coronavirus Infection ◽  
Tract Disease

scholarly journals Coronavirus Infection in Acute Lower Respiratory Tract Disease of Infants

1974 ◽  
Vol 130 (5) ◽  
pp. 502-507 ◽  
Author(s):  
K. McIntosh ◽  
R. K. Chao ◽  
H. E. Krause ◽  
R. Wasil ◽  
H. E. Mocega ◽  
...  
Keyword(s):  
Respiratory Tract ◽  
Lower Respiratory Tract ◽  
Respiratory Tract Disease ◽  
Lower Respiratory Tract Disease ◽  
Coronavirus Infection ◽  
Tract Disease

Clinical Characteristics of the Afebrile Pneumonia Associated With Chlamydia trachomatis Infection in Infants Less Than 6 Months of Age

PEDIATRICS ◽  
1979 ◽  
Vol 63 (2) ◽  
pp. 192-197
Author(s):  
Margaret A. Tipple ◽  
Marc O. Beem ◽  
Evelyn M. Saxon
Keyword(s):  
Chlamydia Trachomatis ◽  
Respiratory Tract ◽  
Lower Respiratory Tract ◽  
Clinical Characteristics ◽  
Respiratory Tract Disease ◽  
Chlamydia Trachomatis Infection ◽  
Lower Respiratory Tract Disease ◽  
Tract Disease ◽  
Blood Eosinophils ◽  
Respiratory Tract Colonization

Respiratory tract colonization with Chlamydia trachomatis commonly occurs in natally acquired chlamydial infection and is sometimes associated with a chronic, afebrile pneumonia that has relatively distinctive clinical characteristics. To further define the frequency and clinical characteristics of lower respiratory tract disease associated with C trachomatis, we grouped 56 infants aged less than 6 months with afebrile pneumonia according to nasopharyngeal shedding of Chlamydia and viruses and compared their illnesses. Forty-one (73%) were positive for C trachomatis (23 had C trachomatis only, while 18 had C trachomatis plus a virus [cytomegalovirus, respiratory synctial virus, adenovirus, rhinovirus, or enterovirus]), and 15 were C trachomatis negative (nine had a virus only, and six had neither C trachomatis nor virus). The 41 infants with C trachomatis alone or C trachomatis plus a virus were similar clinically and differed significantly from other infants in several ways: (1) onset of symptoms before 8 weeks of age; (2) gradually worsening symptoms; (3) presentation for care at 4 to 11 weeks of age; (4) presence of conjunctivitis and ear abnormalities; (5) chest roentgenograms showing bilateral, symmetrical, interstitial infiltrates and hyperexpansion; (6) peripheral blood eosinophils ≥300/cu mm; and (7) elevated values for serum immunoglobulins M, G, and A.

scholarly journals New human coronavirus, HCoV-NL63, associated with severe lower respiratory tract disease in Australia

2005 ◽  
Vol 75 (3) ◽  
pp. 455-462 ◽  
Author(s):  
Katherine E. Arden ◽  
Michael D. Nissen ◽  
Theo P. Sloots ◽  
Ian M. Mackay
Keyword(s):  
Respiratory Tract ◽  
Lower Respiratory Tract ◽  
Respiratory Tract Disease ◽  
Human Coronavirus ◽  
Lower Respiratory Tract Disease ◽  
Tract Disease

Weight Status and Risk of Inpatient Admission for Children With Lower Respiratory Tract Disease

2021 ◽  
Author(s):  
Elizabeth E. Halvorson ◽  
Amit Saha ◽  
Christopher B. Forrest ◽  
Hanieh Razzaghi ◽  
Suchitra Rao ◽  
...  
Keyword(s):  
Respiratory Tract ◽  
Hospital Admission ◽  
Lower Respiratory Tract ◽  
Normal Weight ◽  
Research Network ◽  
Respiratory Tract Disease ◽  
Weight Category ◽  
Lower Respiratory Tract Disease ◽  
Class 1 ◽  
Tract Disease

OBJECTIVES To identify associations between weight category and hospital admission for lower respiratory tract disease (LRTD), defined as asthma, community-acquired pneumonia, viral pneumonia, or bronchiolitis, among children evaluated in pediatric emergency departments (PEDs). METHODS We performed a retrospective cohort study of children 2 to <18 years of age evaluated in the PED at 6 children’s hospitals within the PEDSnet clinical research network from 2009 to 2019. BMI percentile of children was classified as underweight, healthy weight, overweight, and class 1, 2, or 3 obesity. Children with complex chronic conditions were excluded. Mixed-effects multivariable logistic regression was used to assess associations between BMI categories and hospitalization or 7- and 30-day PED revisits, adjusted for covariates (age, sex, race and ethnicity, and payer). RESULTS Among 107 446 children with 218 180 PED evaluations for LRTD, 4.5% had underweight, 56.4% had healthy normal weight, 16.1% had overweight, 14.6% had class 1 obesity, 5.5% had class 2 obesity, and 3.0% had class 3 obesity. Underweight was associated with increased risk of hospital admission compared with normal weight (odds ratio [OR] 1.76; 95% confidence interval [CI] 1.69–1.84). Overweight (OR 0.87; 95% CI 0.85–0.90), class 1 obesity (OR 0.88; 95% CI 0.85–0.91), and class 2 obesity (OR 0.91; 95% CI 0.87–0.96) had negative associations with hospital admission. Class 1 and class 2, but not class 3, obesity had small positive associations with 7- and 30-day PED revisits. CONCLUSIONS We found an inverse relationship between patient weight category and risk for hospital admission in children evaluated in the PED for LRTD.

scholarly journals Respiratory microbiota and lower respiratory tract disease

2017 ◽  
Vol 15 (7) ◽  
pp. 703-711 ◽  
Author(s):  
Miguel Lanaspa ◽  
Quique Bassat ◽  
Marcia Melo Medeiros ◽  
Camen Muñoz-Almagro
Keyword(s):  
Respiratory Tract ◽  
Lower Respiratory Tract ◽  
Respiratory Tract Disease ◽  
Lower Respiratory Tract Disease ◽  
Tract Disease ◽  
Respiratory Microbiota

Uncertainty in the Management of Viral Lower Respiratory Tract Disease

PEDIATRICS ◽  
2001 ◽  
Vol 108 (4) ◽  
pp. 1000-1003 ◽  
Author(s):  
H. C. Meissner
Keyword(s):  
Respiratory Tract ◽  
Lower Respiratory Tract ◽  
Respiratory Tract Disease ◽  
Lower Respiratory Tract Disease ◽  
Tract Disease
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