BackgroundAccording to the Accreditation Council for Graduate Medical Education residents “should participate in scholarly activity.” The development of a sustainable, successful resident scholarship program is a difficult task faced by graduate medical education leadership.MethodsA medical librarian conducted a systematic literature search for English language articles published on scholarly activities initiatives in Graduate Medical Education (GME) between January 2003 and March 31 2017. Inclusion criteria included implementing a graduate medical education research curriculum or initiative designed to enhance intern, resident, or fellow scholarly activities using a control or comparison group. We defined major outcomes as increases in publications or presentations. Random effects meta-analysis was used to compare the rate of publications before and after implementation of curriculum or initiative.ResultsWe identified 32 relevant articles. Twenty-nine (91%) reported on resident publications, with 35% (10/29) reporting statistically significant increases. Fifteen articles (47%) reported on regional, national, or international presentations, with only 13% (2/15) reporting a statistically significant increase in productivity. Nineteen studies were eligible for inclusion in the meta-analysis; for these studies, the post-initiative publication rate was estimated to be 2.6 times the pre-intervention rate (95% CI: 1.6 to 4.3; p < 0.001).ConclusionsOur systematic review identified 32 articles describing curricula and initiatives used by GME programs to increase scholarly activity. The three most frequently reported initiatives were mentors (88%), curriculum (59%), and protected time (59%). Although no specific strategy was identified as paramount to improved productivity, meta-analysis revealed that the publication rate was significantly higher following the implementation of an initiative. Thus, we conclude that a culture of emphasis on resident scholarship is the most important step. We call for well-designed research studies with control or comparison groups and a power analysis focused on identifying best practices for future scholarly activities curricula and initiatives.Electronic supplementary materialThe online version of this article (10.1186/s12909-018-1407-8) contains supplementary material, which is available to authorized users.
BackgroundMobile stroke units (MSUs) performance dependability and diagnostic yield of 16-slice, ultra-fast CT with auto-injection angiography (CTA) of the aortic arch/neck/circle of Willis has not been previously reported.MethodsWe performed a prospective observational study of the first-of-its kind MSU equipped with high resolution, 16-slice CT with multiphasic CTA. Field CT/CTA was performed on all suspected stroke patients regardless of symptom severity or resolution. Performance dependability, efficiency and diagnostic yield over 365 days was quantified.Results1031 MSU emergency activations occurred; of these, 629 (61%) were disregarded with unrelated diagnoses, and 402 patients transported: 245 (61%) ischemic or hemorrhagic stroke, 17 (4%) transient ischemic attack, 140 (35%) other neurologic emergencies. Total time from non-contrast CT/CTA start to images ready for viewing was 4.0 (IQR 3.5–4.5) min. Hemorrhagic stroke totaled 24 (10%): aneurysmal subarachnoid hemorrhage 3, hemorrhagic infarct 1, and 20 intraparenchymal hemorrhages (median intracerebral hemorrhage score was 2 (IQR 1–3), 4 (20%) spot sign positive). In 221 patients with ischemic stroke, 73 (33%) received alteplase with 31.5% treated within 60 min of onset. CTA revealed large vessel occlusion in 66 patients (30%) of which 9 (14%) were extracranial; 27 (41%) underwent thrombectomy with onset to puncture time averaging 141±90 min (median 112 (IQR 90–139) min) with full emergency department (ED) bypass. No imaging needed to be repeated for image quality; all patients were triaged correctly with no inter-hospital transfer required.ConclusionsMSU use of advanced imaging including multiphasic head/neck CTA is feasible, offers high LVO yield and enables full ED bypass.
Background: Timely treatment of acute ischemic stroke is crucial to optimize outcomes. Mobile stroke units (MSU) have demonstrated ultrafast treatment compared to standard emergency care. Geospatial analysis of the distribution of MSU cases to optimize service delivery has not been reported. Methods: We aggregated all first-year MSU dispatch occurrences and all cases classified by clinical teams as true stroke by zip code and calculated dispatch and true stroke incidence rates. We mapped dispatch and stroke cases and symbolized incidence rates by standard deviation. We confirmed visual impressions of clusters from map inspection by local Moran’s I, boxplot inspection, and t test. We calculated service areas using drive times to meet dispatch and true stroke need. Results: A significant cluster of high dispatch incident rate was confirmed around our MSU base in urban Memphis within a 5-min driving area supporting the initial placement of the MSU based on 911 activation. A significant cluster of high true stroke rate was confirmed to the east of our MSU base in suburban Memphis within a 10-min driving area. Mean incident longitude of cases of true stroke versus disregarded status was significantly eastward (p = 0.001785). Conclusion: Our findings will facilitate determination of socio-spatial antecedents of neighborhood overutilization of 911 and MSU services in our urban neighborhoods and service delivery optimization to reach neighborhoods with true stroke burden.
Background: MSU’s are capable of ultra-early treatment of acute stroke patients in the field. We tested field use of a high-resolution CT and CT-angiography on our MSU. Methods: We designed and implemented the first of its kind MSU equipped with a 16 slice CT scanner (24-row adaptive detector array, fixed 70 cm gantry, auto-injection system, Somatom Scope, Siemens), led by stroke fellowship trained MDs or ANVP-board certified nurse practitioners without telemedicine support. Head/neck CTA was performed on all suspected stroke patients immediately following noncontrast CT. The MSU is embedded within local Fire/EMS and is activated by 911, or by on-scene medics 14 days/month. Transport and drug re-stock agreements were developed with Comprehensive, Primary, and CSC-Capable (CSC-cap) competing stroke centers. Results: Of 420 activations in the first year, our MSU transported a total 206 patients: 127 (62%) strokes and 79 (38%) stroke mimics. In all 127 acute stroke patients (68±16 years, 58% women, 65% African American, 34% White, 1% Hispanic), median CT/CTA completion time, from start of scan, to images ready for diagnostic viewing, was 3.5 minutes (IQR 3-4). Diagnosis was 15 (12%) hemorrhages, 12 (9%) suspected TIA, 100 (79%) acute ischemic stroke (AIS). AIS median NIHSS was 9, IQR 7-17. IV-tPA treatment rate was 38% with median scene arrival to bolus time of 13 min, IQR 11-16. Large vessel occlusion (LVO) was found in 30% of ischemic strokes. No patients required repeat imaging on arrival due to image quality, and 100% were accurately triaged to CSC, PSC, or CSC-cap hospitals without the need for subsequent transfer. Conclusions: MSUs can effectively operate a high-resolution automated CT similar to in-hospital radiology settings. The addition of head/neck CTA in the field yields a high rate of LVO detection supporting definitive prehospital triage to Comprehensive Stroke Centers.
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