Within the past 18 months, we have seen four cases of neurosyphilis at our institution (two of meningovascular syphilis, one of acute syphilitic meningitis, and one of asymptomatic neurosyphilis) in young homosexual men with serologic evidence of exposure to human immunodeficiency virus (HIV). Two of the four patients had neurosyphilis despite previous adequate therapy for early syphilis with benzathine penicillin. Meningovascular syphilis developed in one patient within four months after a primary infection, in a manner consistent with an accelerated course of syphilitic infection. These findings suggest the possibility that HIV infection may alter the natural course of syphilis because of the profound defects in cell-mediated immunity it causes. The possible potentiating effects of HIV on Treponema pallidum infection suggest the need for lumbar puncture in the evaluation of HIV-seropositive patients with syphilis, as well as modifications of the currently recommended treatment regimens for primary, secondary, and latent syphilis and neurosyphilis in this patient population. Neurosyphilis should probably be added to the growing list of infectious complications of the acquired immunodeficiency syndrome (AIDS) and may be the first such complication to appear.
Decision-analysis modeling may be applied to the results of randomized controlled trials to assess the potential clinical and financial effects of adopting the intervention in medical practice. In the case of intravenous immune globulin therapy in patients with chronic lymphocytic leukemia and hypogammaglobulinemia, this type of analysis suggests that treatment might not result in improved quality or length of life and that it is extraordinarily expensive in comparison with other treatments generally accepted as cost effective.
Background: Bamlanivimab (LY-CoV555; BAM), a monoclonal antibody therapy for mild-to-moderate Severe Acute Respiratory Syndrome Coronavirus 2(SARS-CoV-2), has been granted an Emergency Use Authorization (EUA) in the United States. Our goal was to determine if BAM prevented emergency department (ED) visits, hospitalizations for SARS-CoV-2, or death within 60 days of a positive SARS-CoV-2 viral test. Setting and Participants: Patients (N=2,107) eligible to receive BAM from November 1 to December 31, 2020, were identified. Eligible patients had mild-to-moderate SARS-CoV-2 disease, a positive SARS-CoV-2 test, and risk factor(s) for progression to severe SARS-CoV-2 infection. All patients were reviewed for subsequent ED visits, subsequent hospitalization, and death. Intervention: A total of 144 of 2,107 patients with mild-to-moderate SARS-CoV-2 received BAM. Patient propensity matching was performed for BAM administration to get two discrete groups of patients; those who received BAM (n=117) and those who did not (n=117). Continuous variables are presented as median and interquartile range (IQR). Discrete variables are presented as counts and proportions. Results: Patients (n=234) were matched, 117 in each group. Median (IQR) age was 72 (65-80) years.Forty-seven percent of patients were male. Twenty-one patients who received BAM were subsequently seen in the ED compared to 34 untreated patients (18.0% vs. 29.1%; P = 0.045).Fourteen BAM-treated patients were subsequently hospitalized post-BAM infusion compared to 27 untreated patients (12.0% vs. 23.1%; P = 0.025). Finally, there were no mortalities in the BAM group, however, eleven patients in the untreated group died (0.0% vs. 9.4%; P < 0.001). The number needed to treat (NNT) is 11 patients to prevent one mortality event.Conclusions: BAM infusion for mild-to-moderate SARS-CoV-2 infection in outpatients significantly prevented subsequent ED visits, hospitalizations, and death from SARS-CoV-2.
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