Basal Characteristics |
Frecuency (n=197) |
% |
Epidemiology |
Epidemiology |
Epidemiology |
Female |
79 |
40.1 |
Male |
118 |
59.9 |
Breastfeeding (6 months) |
90 |
45.7 |
Complete vaccination schedule (n=31) |
8 |
4.1 |
Pathological personal history |
Pathological personal
history |
Pathological personal history |
Previous wheezing |
92 |
46.7 |
Smoking parents |
84 |
42.6 |
Gastroesophageal Reflux Disease |
82 |
41.6 |
Previous bronchiolitis pictures |
66 |
36.5 |
Prematurity (<34 weeks of pregnancy) |
20 |
10.2 |
Low birth weight (<1500g) |
15 |
7.6 |
Repeated airway infection (>3 per year) |
67 |
34.0 |
Asthma |
24 |
12.2 |
Obesity |
9 |
4.6 |
Low weight |
6 |
3.0 |
Immunosupression |
3 |
1.5 |
Chromosomal syndromes |
1 |
0.5 |
Steroid use |
2 |
1.0 |
Renal disease |
1 |
0.5 |
Signs and symptoms |
Signs and symptoms |
Signs and symptoms |
Hyaline rhinorrhea |
142 |
72.8 |
Fever |
141 |
71.6 |
Productive cough |
99 |
59.3 |
Oral intolerance |
74 |
37.3 |
Dyspnea |
27 |
13.7 |
Intercostal retractions |
148 |
75.1 |
Pharyngeal hyperemia |
138 |
70.1 |
Wheezing |
108 |
54.8 |
Crackles |
106 |
53.8 |
Thoracoabdominal dissociation |
99 |
50.3 |
Nose flaring |
87 |
44.2 |
Cyanosis |
38 |
19.3 |
Oxygenation index at admission |
Oxygenation index at
admission |
Oxygenation index at admission |
Mild |
76 |
38.6 |
Moderate |
85 |
43.1 |
Severe |
5 |
2.5 |
Bronchiolitis severity |
Bronchiolitis severity |
Bronchiolitis severity |
Mild |
149 |
75.6 |
Moderate |
39 |
19.8 |
Severe |
9 |
4.6 |
Clinical Presentation |
Clinical Presentation |
Clinical Presentation |
Pneumonia |
84 |
42.6 |
Pneumonia and isolation |
46 |
23.4 |
Ventilator-associated pneumonia |
3 |
1.5 |
Hospital-Acquired Pneumonia |
2 |
0.5 |
Coinfections |
Coinfections |
Coinfections |
Viruses |
45 |
22.8 |
Rinovirus |
21 |
10.7 |
Influenza H3N2 |
9 |
4.6 |
Parainfluenza |
9 |
4.6 |
Influenza H1N1 PD09 |
1 |
0.5 |
Bacteria |
46 |
23.4 |
S. pneumoniae |
23 |
11.7 |
H. Influenzae |
10 |
5.1 |
Bacterial after 48 hours of admission |
4 |
2 |
E. coli |
2 |
1 |
P. aeruginosa |
1 |
0.5 |
S. aureus |
1 |
0.5 |
Fungi |
1 |
0.5 |
Aspergillus spp. |
1 |
0.5 |