Deep neck infection in patients with and without human immunodeficiency virus: a comparison of clinical features, complications, and outcomes

Publication date: Available online 22 November 2018

Source: British Journal of Oral and Maxillofacial Surgery

Author(s): P. Sittitrai, C. Srivanitchapoom, D. Reunmakkaew

Abstract

We retrospectively studied the clinical features, complications, and outcomes of deep neck infections in 31 adult patients with the human immunodeficiency virus (HIV) (HIV group) and 192 patients without (non-HIV group). In the HIV group, the cause was more likely to be odontogenic (21 (68%) compared with 90 (47%); odds ratio (OR) 2.38; 95% CI 1.06 to 5.32). In both groups, the parapharyngeal, submandibular, and masticator spaces, were those most often involved. However, in the HIV group, Ludwig's angina was common, and was the main cause of airway obstruction. Streptococcus pneumoniae, Staphylococcus aureus, and Pseudomonas aeruginosa were most often isolated in the HIV group. Upper airway obstruction tended to be more common in the HIV group (5/31 compared with 13/192). These patients also had a higher risk of other complications (sepsis, mediastinitis, jugular vein thrombosis, and pneumonia) (6/31 compared with 12/192; OR 3.60; 95% CI 1.24 to 10.45), a higher mortality rate (3/31 compared with 2/192), and longer hospital stay (19 days compared with 16 days). Factors associated with an increased risk of complications in this group were an age of 55 years or over and a CD4 count of less than 350 cells/mm³. Deep neck infections in these patients are more severe. Dental health care, appropriate empirical antibiotics, early detection, and management of the airway and complications, may improve outcomes.

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