Introduction:  Professionalism is a central tenet of the dental undergraduate curriculum. Dental undergraduate curricula and standards expect the dentist to put the patient’s interests first, and in this respect, an important attitude is empathy. Objective:  This study examined the self‐reported empathy levels of first‐year dental students before and after an early analytical exposure to behavioural sciences and the clinical encounter. Method:  First‐year dental undergraduates were given an attitudinal questionnaire to complete before and after the behavioural science course. The questionnaire consisted of the HP version of the Jefferson Scale of Physician Empathy and the Patient‐Practitioner Orientation Scale. Paired non‐parametric tests and Spearman’s Rho correlations, along with simple descriptive statistics, were used to test the statistical significance of observations. Results:  A total of 66 paired questionnaires were returned, giving a response rate of 75%. There were no correlations between age and total mean score of JSPE or PPOS, and no gender differences. There was a significant increase (P < 0.01) in empathy as measured by the JSPE between pre‐ and post‐course scores. The PPOS did not record any significant change in the sharing, caring or total scale scores pre‐ to post‐course. Conclusion:  The modified JSPE has potential utility in assessing the cognitive‐affective aspect of dental students’ empathy. Using the JSPE, short‐term measurable empathy changes can be detected in first‐year dental undergraduates after the structured and assessed analytical introduction to the clinical encounter and environment.

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Purpose To evaluate the use of a self-expanding tract sealant device (BioSentry™) on the rates of pneumothorax and chest tube insertion after percutaneous lung biopsy. Material and Methods In this retrospective study, we compared 318 patients who received BioSentry™ during percutaneous lung biopsy (treated group) with 1956 patients who did not (control group). Patient-, lesion-, and procedure-specific variables, and pneumothorax and chest tube insertion rates were recorded. To adjust for potential selection bias, patients in the treated group were matched 1:1 to patients in the control group using propensity score matching based on the above-mentioned variables. Patients were considered a match if the absolute difference in their propensity scores was ≤ equal to 0.02. Results Before matching, the pneumothorax and chest tube rates were 24.5% and 13.1% in the control group, and 21.1% and 8.5% in the treated group, respectively. Using propensity scores, a match was found for 317 patients in the treatment group. Chi-square contingency matched pair analysis showed the treated group had significantly lower pneumothorax (20.8% vs. 32.8%; p= .001) and chest tube (8.2% vs. 20.8%; p< .0001) rates compared to the control group. Sub-analysis including only faculty who had > 30 cases of both treatment and control cases demonstrated similar findings: the treated group had significantly lower pneumothorax (17.6% vs. 30.2%; p= .002) and chest tube (7.2% vs. 18%; p= .001) rates. Conclusions The self-expanding tract sealant device significantly reduced the pneumothorax rate, and more importantly, the chest tube placement rate after percutaneous lung biopsy.

In a bundled payment system, RSL results in a modest reduction of cost per patient over wire localization and slightly increased margin. A fee-for-service system suffers moderate loss of revenue per patient with RSL, largely due to lower reexcision rates. The fee-for-service system creates a significant financial disincentive for providers to use RSL, although it improves clinical outcomes and reduces total health care costs.

Purpose To evaluate the immediate and long-term safety as well as thrombus-capturing efficacy for 5 weeks after implantation of an absorbable inferior vena cava (IVC) filter in a swine model. Materials and Methods This study was approved by the institutional animal care and use committee. Eleven absorbable IVC filters made from polydioxanone suture were deployed via a catheter in the IVC of 11 swine. Filters remained in situ for 2 weeks (n = 2), 5 weeks (n = 2), 12 weeks (n = 2), 24 weeks (n = 2), and 32 weeks (n = 3). Autologous thrombus was administered from below the filter in seven swine from 0 to 35 days after filter placement. Fluoroscopy and computed tomography follow-up was performed after filter deployment from weeks 1-6 (weekly), weeks 7-20 (biweekly), and weeks 21-32 (monthly). The infrarenal IVC, lungs, heart, liver, kidneys, and spleen were harvested at necropsy. Continuous variables were evaluated with a Student t test. Results There was no evidence of IVC thrombosis, device migration, caval penetration, or pulmonary embolism. Gross pathologic analysis showed gradual device resorption until 32 weeks after deployment. Histologic assessment demonstrated neointimal hyperplasia around the IVC filter within 2 weeks after IVC filter deployment with residual microscopic fragments of polydioxanone suture within the caval wall at 32 weeks. Each iatrogenic-administered thrombus was successfully captured by the filter until resorbed (range, 1-4 weeks). Conclusion An absorbable IVC filter can be safely deployed in swine and resorbs gradually over the 32-week testing period. The device is effective for the prevention of pulmonary embolism for at least 5 weeks after placement in swine. RSNA, 2017.