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Query: UMLS:C0348321 (Haemophilus)
 15,372 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Acute sinusitis is one of the most commonly observed entities in clinical practice. Despite the frequency of the disease, diagnosis and therapy often remain empiric. Most cases are secondary to sinus ostia obstruction associated with the common cold or allergies. Maxillary sinusitis is most common. Because of the proximity of vital anatomic structures and venous drainage systems, serious complications frequently arise from sphenoid, frontal, and ethmoid sinusitis. Clinical signs and symptoms most helpful in the diagnosis of maxillary sinusitis are the presence of a maxillary toothache, lack of improvement with decongestants, a purulent nasal discharge, cough, purulent secretions observed on nasal examination, abnormal transillumination, and sinus tenderness. Plain film radiographs are helpful, but do not adequately visualize the anterior ethmoid sinuses. Computed tomography provides superior visualization, but cost remains prohibitive for routine cases. Most maxillary sinusitis in adults is secondary to Streptococcus pneumoniae or Hemophilus influenzae. Moroxella catarrhalis is common in children. Staphylococcus aureus is observed more frequently in frontal or sphenoid disease. Most patients with acute sinusitis are treated without microbiological diagnosis and respond well to commonly used oral antimicrobials with activity against the usual pathogens. Complications of sinusitis include meningitis, periorbital infections, subdural empyema, epidural abscess, brains abscess, cavernous sinus thrombosis, and osteomyelitis.
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PMID:Acute sinusitis. 776 9

Acute bacterial rhinosinusitis is an infection of the nasal epithelium and paranasal sinus mucosa, usually caused in children by Streptococcus pneumoniae, Haemophilus influenzae, Moraxella catarrhalis, and, less frequently, group A Streptococcus species. The clinical diagnosis is based on daytime cough that may be worse at night or purulent rhinorrhea, or both, lasting at least 10 days, often worsening after a period of initial improvement after initial symptoms of the common cold, and often associated with facial or dental pain, facial fullness, or swelling, headache, and fever. Sinusitis is diagnosed clinically; radiographic evaluation is not indicated for diagnosis. When the disease persists despite treatment, or is complicated by potential intracranial or orbital extension, CT is the preferred imaging modality. Initial therapy should be amoxicillin in a high dosage (80-90 mg/kg/day). Treatment is generally for 10 to 14 days and for at least 7 days beyond the time of substantial improvement in symptoms. Complications of acute bacterial rhinosinusitis in children are rare.
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PMID:Management of acute bacterial rhinosinusitis. 1188 Jul 40

The objective of this study was to assess symptoms and signs in patients with maxillary sinusitis and a bacteriological diagnosis obtained by sinus aspiration or lavage. Designed as a prospective cohort study in general practice, the study included 174 patients, aged 18-65 years, suspected of having acute maxillary sinusitis by their general practitioner. The main outcome measures were the independent association of symptoms, signs, erythrocyte sedimentation rate (ESR), and C-reactive protein (CRP) concentration and confirmed infection with the predominant bacterial pathogens Streptococcus pneumoniae and Haemophilus influenzae. The predominant organisms found in patients with acute maxillary sinusitis were S. pneumoniae and H. influenzae. Body temperature >38 degrees C and maxillary toothache were significantly associated with the presence of S. pneumoniae and H. influenzae. Positive bacteriological culture results were significantly associated with increasing ESR and CRP values. None of the symptoms and signs, with the exception of body temperature >38 degrees C and maxillary toothache, were particularly sensitive indicators of the specific aetiology in patients with acute maxillary sinusitis. Elevated ESR and CRP values were significantly associated with positive bacteriological culture results. On the other hand, absence of these symptoms and signs did not exclude the presence of acute maxillary sinusitis.
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PMID:Symptoms and signs in culture-proven acute maxillary sinusitis in a general practice population. 1977 40