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Background: Total joint replacement recipients (TJR) are at risk for prosthetic joint infection (PJI), particularly those with comorbidities such as diabetes mellitus (DM) and rheumatoid arthritis (RA). Methods: We mailed surveys to 1078 subjects undergoing primary TJR between 2011 and 2016 ​at an academic center. The survey asked about medical, dental, and orthopedic history and use of antibiotics prior to dental appointments. We generated adjusted relative risks (aRR) for using antibiotic prophylaxis less than always using Poisson regression, adjusting for demographic, clinical, and behavioral factors. Results: We received surveys from 639 subjects; 597 were eligible and formed the analytical sample. 66 ​% reported always using antibiotic prophylaxis. DM and RA were not associated with prophylaxis use. Factors associated with less frequent use included: BMI ≥30 (aRR ​= ​1.27, 95 ​% CI [1.01, 1.60]), dental cleanings

Objective: Type II diabetes mellitus (T2DM) is prevalent in knee osteoarthritis (OA) patients undergoing total knee arthroplasty (TKA) and increases risk for prosthetic joint infection (PJI). We examined the cost-effectiveness of antibiotic prophylaxis (AP) before dental procedures to reduce PJI in TKA recipients with T2DM. Design: We used the Osteoarthritis Policy Model, a validated computer simulation of knee OA, to compare two strategies among TKA recipients with T2DM (mean age 68 years, mean BMI 35.4 kg/m2): 1) AP before dental procedures and 2) no AP. Outcomes included quality-adjusted life expectancy (QALE) and lifetime medical costs. We used published efficacy of AP. We report incremental cost-effectiveness ratios (ICERs) and considered strategies with ICERs below well-accepted willingness-to-pay (WTP) thresholds cost-effective. We conducted sensitivity analyses to examine the robustness of findings to uncertainty in model input parameters. We used a lifetime horizon and healthcare sector perspective. Results: We found that AP added 1.0 quality-adjusted life-year (QALY) and $66,000 for every 1000 TKA recipients with T2DM, resulting in an ICER of $66,000/QALY. In sensitivity analyses, reduction of the probability of PJI, T2DM-associated risk of infection, or attribution of infections to dental procedures by 50% resulted in ICERs exceeding $100,000/QALY. Probabilistic sensitivity analyses showed that AP was cost-effective in 32% and 58% of scenarios at WTP of $50,000/QALY and $100,000/QALY, respectively. Conclusions: AP prior to dental procedures is cost-effective for TKA recipients with T2DM. However, the cost-effectiveness of AP depends on the risk of PJI and efficacy of AP in this population.

Background: Previous studies have demonstrated that proactive psychiatric consultation reduces hospital length of stay (LOS) in the general medical setting; however this model has not been studied in the intensive care unit (ICU)., Objective: To compare outcomes between a conventional consultation model and a proactive psychiatric consultation model., Methods: Two medical ICUs (MICUs) were randomized to proactive psychiatric consultation vs conventional consultation psychiatric models. Proactive consultation included embedding a psychiatrist into daily MICU team rounds on all patients. In the conventional consultation MICU, psychiatric consultations were activated when deemed necessary. Primary outcomes were hospital LOS and MICU LOS. Secondary outcomes included delirium-coma-free hours and ventilator-free hours., Results: A total of 429 patients were admitted to the proactive consultation MICU; 393 patients were admitted to the conventional consultation MICU. The consultation rate for the intervention group was 24.2% vs 6.1% in the control group (p < 0.001). Time to psychiatric consultation was shorter in the intervention group. Median hospital LOS was 6.92 days, interquartile range 3.70-14.31 in the intervention group vs 7.69 days, interquartile range 3.95-16.21 in the control group (p = 0.113). MICU LOS, delirium-coma-free hours, and ventilator-free hours were not significantly different between the 2 groups. Among the respiratory failure subgroup, hospital LOS was shorter in the intervention vs control group (median 9.46 days, interquartile range 4.95-17.56 vs 12.29 days, interquartile range 6.58-21.10, p = 0.011)., Conclusions: Proactive psychiatric consultation in a MICU was associated with decreased time to consultation among all patients and shorter hospital LOS among patients with respiratory failure., (Copyright © 2018 Academy of Consultation-Liaison Psychiatry. Published by Elsevier Inc. All rights reserved.)