Recent Publications by CFE Educators

OBJECTIVES

To demonstrate the feasibility of drug-induced sleep endoscopy (DISE) in the pediatric population and to examine DISE results in children with persistent sleep-disordered breathing (SDB) after tonsillectomy and adenoidectomy (T&A).

DESIGN

Retrospective case series with medical chart review.

SETTING

Tertiary pediatric medical center.

PATIENTS

Thirteen pediatric subjects with persistent SDB after T&A are included in the study.

INTERVENTION

Drug-induced sleep endoscopy was per-formed on all patients with documentation of all sites of persistent airway obstruction.

RESULTS

Multilevel upper-airway obstruction was identified in the majority of patients, most commonly related to tongue base obstruction, adenoid regrowth, and/or inferior turbinate hypertrophy. There were no differences among the 4 subgroups.

CONCLUSIONS

Findings from DISE suggest that multiple factors contribute to airway obstruction in persistent SDB after T&A. Further research can address the extent to which directed surgical treatment can improve outcomes in these patients.

CONTEXT

Traditional block clerkship (BC) structures may not optimally support medical student participation in the workplace, whereas longitudinal integrated clerkship (LIC) structures seem more conducive to students' active engagement in patient care over time. Understanding the ways in which these two clerkship models influence students' roles and responsibilities can inform clinical learning programme design.

METHODS

This was a multicentre qualitative study. We conducted semi-structured interviews with LIC and BC medical students at three institutions early and late in the core clinical year to explore their experiences with patients and the roles they served. Using the framework of 'workplace affordances', qualitative coding focused on students' roles and qualities of the learning environment that invited or inhibited student participation. We compared transcripts of early- and late-year interviews to assess students' changing roles and conducted discrepant case analysis to ensure that coding fit the data.

RESULTS

Fifty-four students participated in interviews. They described serving three major roles in clinical care that respectively involved: providing support to patients; sharing information about patients across health care settings, and functioning in a doctor-like role. Both LIC and BC students served in the providing support and transmitting information roles both early and late in the year. By contrast, LIC students commonly served in the doctor-like role in managing their patients' care, particularly late in the year, whereas BC students rarely served in this role. Continuity in settings and in supervisors, and preceptors' endorsement of students' legitimate role afforded opportunities for students to participate actively in patient care.

CONCLUSIONS

Although both LIC and BC students reported serving in important roles in supporting their patients and sharing information about their care, only LIC students consistently described opportunities to grow into a doctor role with patients. The high level of integration of LIC students into care systems and their deeper relationships with preceptors and patients enhanced their motivation and feelings of competence to provide patient-centred care.

BACKGROUND

Whether the genomic rearrangement transmembrane protease, serine 2 (TMPRSS2):v-ets erythroblastosis virus E26 oncogene homolog (ERG) has prognostic value in prostate cancer is unclear.

METHODS

Among men with prostate cancer in the prospective Physicians' Health and Health Professionals Follow-Up Studies, we identified rearrangement status by immunohistochemical assessment of ERG protein expression. We used Cox models to examine associations of ERG overexpression with biochemical recurrence and lethal disease (distant metastases or cancer-specific mortality). In a meta-analysis including 47 additional studies, we used random-effects models to estimate associations between rearrangement status and outcomes.

RESULTS

The cohort consisted of 1,180 men treated with radical prostatectomy between 1983 and 2005. During a median follow-up of 12.6 years, 266 men experienced recurrence and 85 men developed lethal disease. We found no significant association between ERG overexpression and biochemical recurrence [hazard ratio (HR), 0.99; 95% confidence interval (CI), 0.78-1.26] or lethal disease (HR, 0.93; 95% CI, 0.61-1.43). The meta-analysis of prostatectomy series included 5,074 men followed for biochemical recurrence (1,623 events), and 2,049 men followed for lethal disease (131 events). TMPRSS2:ERG was associated with stage at diagnosis [risk ratio (RR)(≥T3 vs. T2), 1.23; 95% CI, 1.16-1.30) but not with biochemical recurrence (RR, 1.00; 95% CI, 0.86-1.17) or lethal disease (RR, 0.99; 95% CI, 0.47-2.09).

CONCLUSIONS

These results suggest that TMPRSS2:ERG, or ERG overexpression, is associated with tumor stage but does not strongly predict recurrence or mortality among men treated with radical prostatectomy.

IMPACT

This is the largest prospective cohort study to examine associations of ERG overexpression and lethal prostate cancer among men treated with radical prostatectomy.