Abstract 31: The Frequency of Thrombectomy in Early and Late Post-Onset Time Windows Among EMS Transported Patients With Acute Ischemic Stroke

Nichole E Bosson; Jeffrey L Saver; Patrick D Lyden; Marianne Gausche-Hill;

doi:10.1161/str.51.suppl_1.31

Abstract 31: The Frequency of Thrombectomy in Early and Late Post-Onset Time Windows Among EMS Transported Patients With Acute Ischemic Stroke

Stroke ◽

10.1161/str.51.suppl_1.31 ◽

2020 ◽

Vol 51 (Suppl_1) ◽

Author(s):

Nichole E Bosson ◽

Jeffrey L Saver ◽

Patrick D Lyden ◽

Marianne Gausche-Hill ◽

Keyword(s):

Los Angeles ◽

Time Windows ◽

Onset Time ◽

Stroke Care ◽

Final Diagnosis ◽

Time Interval ◽

Acute Stroke Care ◽

Time Intervals ◽

Stroke Center ◽

Post Onset

Introduction: With recent trials demonstrating benefit to thrombectomy up to 16 or 24 hours (h) from last known well time (LKWT), EMS systems must consider stroke center routing for patients with LKWT ≤24h. Increased transport times can strain resources and may be unnecessary if few patients receive the intended therapy. We sought to determine the frequency of thrombectomy by prehospital-determined LKWT (p-LKWT) in a large regional acute stroke care system. Methods: In January 2018 Los Angeles (LA) County EMS initiated two-tiered routing within its regional system of 50 approved stroke center (ASC) serving 10 million persons. Patients with suspected stroke with p-LKWT ≤24h are routed to ASCs. Patients with potential LVOs (LA Motor Scale (LAMS) of 4 or 5) are routed directly to a designated thrombectomy-capable center (TSC or comprehensive stroke center (CSC)) if within 30 minutes; others are routed to the closest ASC. We abstracted adult EMS transports to a TSC or CSC from January 2018 to March 2019 with final diagnosis of AIS. We excluded transfers and patients without documented LKWT. We determined the frequency of thrombectomy by time intervals from p-LKWT to first medical contact (FMC). Results: During the study period, 1317 AIS patients with p-LKWT ≤24h were transported to a TSC or CSC; 360 (27.1%) received endovascular thrombectomy. Patients were 47% male, median age 77 years (IQR 66-86), median NIHSS 11 (IQR 4-19), and median p-LKWT-to-FMC time interval 69 minutes (IQR 22-360). The table shows the frequency of thrombectomy by p-LKWT-FMC time intervals. Respectively, the ≤6h, >6 to ≤16h, and >16 to ≤24h windows accounted for 76.8%, 18.3%, and 4.9% of transports to thrombectomy-capable centers. Conclusion: With two-tier routing in this regional stroke system, patients in the >6h post-onset window accounted for nearly one quarter of transports to TSCs and CSCs and 22% received thrombectomy. These findings support EMS stroke routing policies up to 24h post-onset.

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Abstract MP24: Pitfalls of Mobile Stroke Treatment Unit - A Single Center Review

Stroke ◽

10.1161/str.52.suppl_1.mp24 ◽

2021 ◽

Vol 52 (Suppl_1) ◽

Author(s):

Mangala Gopal ◽

Ciaran Powers ◽

Shahid M Nimjee ◽

Sharon Heaton ◽

Vivien Lee

Keyword(s):

Intravenous Thrombolysis ◽

Stroke Care ◽

Final Diagnosis ◽

Acute Stroke Care ◽

Treatment Unit ◽

Stroke Treatment ◽

The Mean ◽

Suspected Stroke ◽

Comprehensive Stroke Center ◽

Stroke Center

Introduction: Although Mobile Stroke Treatment Units (MSTU) can reduce time to intravenous thrombolysis (IVtPA), limitations in MSTU care have not been well described. Methods: We retrospectively reviewed consecutive patients transported by MSTU to our academic comprehensive stroke center (CSC) from May 2019 to August 2020 for suspected stroke to assess for potential limitations of care. The Columbus MSTU is owned by a separate health system, but represents a collaborative venture with 3 CSCs and the Columbus Division of Fire, operating daily from 7am-7pm. Data was abstracted on demographics, clinical presentation, last known normal (LKN) time, initial National Institutes of Health Stroke Scale (NIHSS), neuroimaging, and IVtPA administration. Results: Among 93 patients transported to our CSC by MSTU, the mean age was 65 years (range, 21-93) and 61 (66%) were female. The mean initial NIHSS was 7.1 (range, 0 to 33) and 52 (55.9%) had a final diagnosis of stroke (4 hemorrhagic, 48 ischemic). IVtPA was administered in 15 (16.1%) with a mean LKN to IVtPA time of 120 minutes (range, 41 to 243). Among 15 patients treated with IVtPA, 10 received IVtPA in MSTU and 5 in CSC ED. In 7 patients who underwent thrombectomy, mean door to groin time was 57 minutes (range, 28 to 88). Among the overall group, 9 (9.7%) cases were identified with limitations in MSTU care, including 2 patients who received IVtPA by MSTU that were more than 10% off from ideal dosing (underdosed by 9mg and overdosed by 21mg), 1 warfarin-associated hemorrhage requiring intubation who did not receive reversal in MSTU but did upon arrival to CSC ED, and 5 patients who received IVtPA after arrival to CSC ED. The reasons for withholding IVtPA included inability to confirm LKN, patient declination, lack of translator, incorrect LKN, and seizure requiring intubation. The LKN to IVtPA time was significantly longer in the ED compared to MSTU (197 vs 82 minutes, p <0.0001). Conclusion: In our series of suspected stroke patients evaluated by MSTU, gaps identified within MSTU acute stroke care were related to limitations of resources and included errors in weight-based IVtPA dosing, inability to administer IVtPA, or reversal for anti-coagulation related hemorrhage. Clinicians need to be aware of potential pitfalls of MSTU evaluation.

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The impact of tele-neurologists on acute stroke care at an advanced primary stroke centre

Journal of Telemedicine and Telecare ◽

10.1177/1357633x20921039 ◽

2020 ◽

pp. 1357633X2092103

Author(s):

Scott Gutovitz ◽

Jonathan Leggett ◽

Leslie Hart ◽

Samuel M Leaman ◽

Heather James ◽

...

Keyword(s):

Acute Stroke ◽

Mechanical Thrombectomy ◽

Stroke Care ◽

Final Diagnosis ◽

Stroke Patients ◽

Acute Stroke Care ◽

Care Guidelines ◽

Stroke Center ◽

The Impact ◽

Stroke Centre

Introduction We evaluated the impact of tele-neurologists on the time to initiating acute stroke care versus traditional bedside neurologists at an advanced stroke center. Methods This observational study evaluated time to treatment for acute stroke patients at a single hospital, certified as an advanced primary stroke centre, with thrombectomy capabilities. Consecutive stroke alert patients between 1 March, 2016 and 31 March, 2018 were divided into two groups based on their neurology consultation service (bedside neurology: 1 March, 2016–28 February, 2017; tele-neurology: 1 April, 2017–31 March, 2018). Door-to-tPA time and door-to-IR time for mechanical thrombectomy were compared between the two groups. Results Nine hundred and fifty-nine stroke patients met the inclusion criteria (436 bedside neurology, 523 tele-neurology patients). There were no significant differences in sex, age, or stroke final diagnosis between groups ( p > 0.05). 85 bedside neurology patients received tPA and 35 had mechanical thrombectomy, 84 and 44 for the tele-neurology group respectively. Door-to-tPA time (median (IQR)) was significantly higher among tele-neurology (64 min (51.5–83.5)) than bedside neurology patients (45 min (34–69); p < 0.0001). There was no difference in door-to-IR times (mean ± SD) between bedside neurology (87.2 ± 33.3 min) and tele-neurology (90.4 ± 33.4 min; p = 0.67). Discussion At this facility, our tele-neurology services vendor was associated with a statistically significant delay in tPA administration compared with bedside neurologists. There was no difference in door-to-IR times. Delays in tPA administration make it harder to meet acute stroke care guidelines and could worsen patient outcomes.

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Real-World Experience with Artificial Intelligence-Based Triage in Transferred Large Vessel Occlusion Stroke Patients

Cerebrovascular Diseases ◽

10.1159/000515320 ◽

2021 ◽

pp. 1-6

Author(s):

Jacob R. Morey ◽

Xiangnan Zhang ◽

Kurt A. Yaeger ◽

Emily Fiano ◽

Naoum Fares Marayati ◽

...

Keyword(s):

Artificial Intelligence ◽

Clinical Outcomes ◽

Warning System ◽

Large Vessel ◽

Time Interval ◽

Large Vessel Occlusion ◽

Time Intervals ◽

Vessel Occlusion ◽

Left Behind ◽

Stroke Center

Background and Purpose: Randomized controlled trials have demonstrated the importance of time to endovascular therapy (EVT) in clinical outcomes in large vessel occlusion (LVO) acute ischemic stroke. Delays to treatment are particularly prevalent when patients require a transfer from hospitals without EVT capability onsite. A computer-aided triage system, Viz LVO, has the potential to streamline workflows. This platform includes an image viewer, a communication system, and an artificial intelligence (AI) algorithm that automatically identifies suspected LVO strokes on CTA imaging and rapidly triggers alerts. We hypothesize that the Viz application will decrease time-to-treatment, leading to improved clinical outcomes. Methods: A retrospective analysis of a prospectively maintained database was assessed for patients who presented to a stroke center currently utilizing Viz LVO and underwent EVT following transfer for LVO stroke between July 2018 and March 2020. Time intervals and clinical outcomes were compared for 55 patients divided into pre- and post-Viz cohorts. Results: The median initial door-to-neuroendovascular team (NT) notification time interval was significantly faster (25.0 min [IQR = 12.0] vs. 40.0 min [IQR = 61.0]; p = 0.01) with less variation (p < 0.05) following Viz LVO implementation. The median initial door-to-skin puncture time interval was 25 min shorter in the post-Viz cohort, although this was not statistically significant (p = 0.15). Conclusions: Preliminary results have shown that Viz LVO implementation is associated with earlier, more consistent NT notification times. This application can serve as an early warning system and a failsafe to ensure that no LVO is left behind.

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Abstract W MP104: Quality of Acute Stroke Care at Primary Stroke Centers Before and After Certification in Comparison to Never-Certified Hospitals

Stroke ◽

10.1161/str.45.suppl_1.wmp104 ◽

2014 ◽

Vol 45 (suppl_1) ◽

Author(s):

Nerses Sanossian ◽

May A Kim-Tenser ◽

David S Liebeskind ◽

Justina Breen ◽

Scott Hamilton ◽

...

Keyword(s):

Los Angeles ◽

Acute Stroke ◽

Stroke Care ◽

Care Quality ◽

Acute Stroke Care ◽

Phase 3 ◽

Before And After ◽

Beneficial Impact ◽

Mean Time

Background: Primary Stroke Centers (PSC) provide better acute stroke care than non-PSC hospitals, including faster times to imaging and lytic treatment, and higher rates of lytic delivery. Nationwide less than 1 in 3 hospital has achieved this designation. We aimed to determine the extent to which the better performance at PSC is driven by improvements within hospitals after PSC designation versus better baseline hospital care among facilities seeking PSC certification. Methods: From 2005 to 2012, the NIH Field Administration of Stroke Therapy -Magnesium (FAST-MAG) Phase 3 clinical trial enrolled subjects with likely stroke within 2 hours of onset in a study of prehospital start of a neuroprotective agent. Subjects were routed to 59 community and academic centers in Los Angeles and Orange Counties. Of the original 59 centers, 39 eventually achieved PSC status during the study period. Each subject was classified as enrolled at a PSC before certification (pre-PSC), at a PSC post certification (post-PSC), or at a hospital that never achieved PSC (non-PSC). Results: Of 1700 cases, 529 (31%) were enrolled at pre-PSC, 856 (50%) at post-PSC, and 315 (19%) at non-PSC hospitals. Mean time in minutes from ED arrival to first scan was 33 minutes at post-PSC, 47 minutes at pre-PSC and 49 at non-PSCs [p<0.001 by Mann-Whitney]. Among cases of cerebral ischemia (CI) [N=1223], rates of TPA utilization were 43% at post-PSC, 27% at pre-PSC and 28% at non-PSC hospitals [p<0.001 by X2]. Time in minutes from ED arrival to thrombolysis in treated cases was 71 at post-PSC, 98 at pre-PSC, and 95 at non-PSC hospitals [p<0.001 by Mann-Whitney]. Hospitals that achieved PSC showed improvements in pre-PSC and post-PSC performance on door to imaging time, from 47 to 33 minutes [p=0.014]; percent TPA use in CI, from 27% to 43% [p<0.001], and reduced door-to-needle times, from 98 to 71 minutes [p=0.003]. There was no difference in time to imaging [47 vs. 49 minutes], time to thrombolysis [98 vs. 95 minutes] and percent TPA use [27% vs. 28%] between pre-PSC hospitals and non-PSC hospitals. Conclusions: Better performance of Primary Stroke Centers on acute care quality metrics is primarily driven by a beneficial impact of the PSC-certification process, and not better performance prior to seeking PSC status.

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Abstract W P334: VA Healthcare System Responses to National Stroke Care Reorganization

Stroke ◽

10.1161/str.45.suppl_1.wp334 ◽

2014 ◽

Vol 45 (suppl_1) ◽

Author(s):

Teresa M Damush ◽

Kristine K Miller ◽

Laurie Plue ◽

Arlene A Schmid ◽

Laura Myers ◽

...

Keyword(s):

Acute Stroke ◽

Nurse Managers ◽

Stroke Care ◽

Structured Interviews ◽

Acute Stroke Care ◽

Major Barrier ◽

Ongoing Work ◽

Final Sample ◽

Cross Training ◽

Stroke Center

Aims: In 2011, the VA released the Acute Ischemic Stroke (AIS) Directive which mandated reorganization of acute stroke care, including self-designation as Primary (P), Limited Hours (LH), or Supporting (S) stroke center. We conducted interviews across stroke centers to understand barriers and facilitators faced in response. Methods: The final sample included 38 (84% invited) facilities: 9 P, 24 LH, and 5 S facilities. In total, 107 persons were interviewed including ED Chiefs, Chiefs of Neurology, ED Nurse Managers/Nurses and other staff. Semi-structured interviews were based on the AIS Directive. Completed interviews were transcribed and analyzed using Nvivo 10. Results: Barriers reported were a lack of personnel assigned to coordinate the facility response to the directive. Data collection and lack of staff were likewise commonly reported as barriers. For thrombolysis measures, the low number of eligible Veterans was another major barrier. LH and S facilities reported some unique barriers: access to radiology and neurology services; EMS diverting stroke patients to nearby stroke centers, maintaining staff competency, and a lack of stroke clinical champions. Some solutions applied included cross training X-ray technicians to provide head CT coverage, developing stroke order sets and templates, and staff training. Larger facilities added a stroke code pager system and improved upon its use, and established ED nurses to become first alerts for an acute stroke patient. LH and S facilities also responded by attempting to secure additional services and by establishing formal transfer agreements to improve Veteran tPA access. Conclusions: The AIS Directive brought focused attention to reorganizing and improving stroke care across a range of facility types. Larger VA facilities tended to follow established practices for organizing stroke care, but the unique LH designation presented challenges to consistently organize systems. Since Veterans have financial interest in presenting to a VA facility, ongoing work to organize VA care and to improve access to thrombolysis at smaller VA facilities is needed. This protocol was supported by Genentech Inc. Protocol ML 28238, VA HSRD QUERI Rapid Response Project 11-374, and the VA Stroke QUERI Center.

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Impact of COVID-19 Pandemic on the Incidence, Prehospital Evaluation, and Presentation of Ischemic Stroke at a Nonurban Comprehensive Stroke Center

Stroke Research and Treatment ◽

10.1155/2021/6624231 ◽

2021 ◽

Vol 2021 ◽

pp. 1-5

Author(s):

Cesar Velasco ◽

Brandon Wattai ◽

Scott Buchle ◽

Alicia Richardson ◽

Varun Padmanaban ◽

...

Keyword(s):

Urban Areas ◽

Stroke Care ◽

Final Diagnosis ◽

Medical Attention ◽

Presenting Symptoms ◽

Number Of Patients ◽

Community Transmission ◽

Comprehensive Stroke Center ◽

Stroke Center ◽

The Impact

Introduction. Many reports have described a decrease in the numbers of patients seeking medical attention for typical emergencies during the COVID-19 pandemic. These reports primarily relate to urban areas with widespread community transmission. The impact of COVID-19 on nonurban areas with minimal community transmission is less well understood. Methods. Using a prospectively maintained prehospital quality improvement database, we reviewed our hospital EMS transports with a diagnosis of stroke from January to April 2019 (baseline) and January to April 2020 (pandemic). We compared the volume of patients, transport/presentation times, severity of presenting symptoms, and final diagnosis. Results. In January, February, March, and April 2019, 10, 11, 17, and 19 patients, respectively, were transported in comparison to 19, 14, 10, and 8 during the same months in 2020. From January through April 2019, there was a 53% increase in transports, compared to a 42% decrease during the same months in 2020, constituting significantly different trend-line slopes (3.30; 95% CI 0.48–6.12 versus -3.70; 95% CI -5.76–-1.64, p = 0.001 ). Patient demographics, comorbidities, and symptom severity were mostly similar over the two time periods, and the number of patients with a final diagnosis of stroke was also similar. However, the median interval from EMS dispatch to ED arrival for patients with a final diagnosis of stroke was significantly longer in January to April 2020 ( 50 ± 11.7 min ) compared to the same time period in 2019 ( 42 ± 8.2 min , p = 0.01 ). Discussion/Conclusion. Our data indicate a decrease in patient transport volumes and longer intervals to EMS activation for suspected stroke care. These results suggest that even in a nonurban location without widespread community transmission, patients may be delaying or avoiding care for severe illnesses such as stroke. Clinicians and public health officials should not ignore the potential impact of pandemic-like illnesses even in areas of relatively low disease prevalence.

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Abstract WMP68: Smartphone Support System for Mobile Imaging Display and Management of Acute Stroke

Stroke ◽

10.1161/str.47.suppl_1.wmp68 ◽

2016 ◽

Vol 47 (suppl_1) ◽

Author(s):

Kristina Shkirkova ◽

Eftitan Y Akam ◽

Josephine F Huang ◽

Sunil A Sheth ◽

May Nour ◽

...

Keyword(s):

Acute Stroke ◽

Stroke Care ◽

Final Diagnosis ◽

Integrated System ◽

Ease Of Use ◽

Imaging Data ◽

Acute Stroke Care ◽

Team Members ◽

Information Platform ◽

Stroke Team

Introduction: Rapid dissemination and coordination of clinical and imaging data among multidisciplinary team members is essential for optimal acute stroke care. Standard desktop EMRs are ill-suited for this purpose, but mobile smartphone and tablet applications are highly promising platforms for accelerated, data-driven patient diagnosis and treatment. This study tested an advanced mobile integrated system for distribution of patient clinical and imaging information. Methods: We tested the iStroke/Synapse ERm system (Figure) for smartphone and tablet display and integration of clinical data, CT, MR, and catheter angiographic imaging, and real-time stroke team communications, in consecutive acute neurovascular patients at a Comprehensive Stroke Center. Results: From 5/2014 to 10/2014, the Synapse ERm application was installed and used by 33 stroke team members, in 84 Code Stroke ED patients. Patient age was 69.1 (±17.5), with 40.5% female. Final diagnosis was: ischemic stroke 66%, TIA 7%, ICH 6%, and CV mimic 21%. Each patient record was viewed on average 13 times by at least 3 team members. The most used feature was CT, MR and cath angio image display, viewed on average 4 times per patient by at least 2 users. In-app tweet team communications were sent by average 2 users per case and viewed by average 6 team members. Use of the system was associated with treatment times that exceeded national guideline targets for thrombolysis and endovascular thrombectomy, including door-to-needle 50 min (IQR 24-60) and door-to-groin 92 min (IQR 65-128). In user surveys, the mobile information platform was judged easy to employ in 91% of uses and of added help in stroke management in a substantial majority of cases. Conclusion: The Synapse ERm system, a smartphone/tablet platform for stroke team communication and distribution and integration of clinical and imaging data, showed high ease of use, substantial added management value, and association with rapid processes of care.

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Abstract TP303: Real-world Eligibility for Revascularization in Acute Stroke: A 12 Year Single Center Statistics

Stroke ◽

10.1161/str.47.suppl_1.tp303 ◽

2016 ◽

Vol 47 (suppl_1) ◽

Author(s):

Peter Vanacker ◽

Dimitris Lambrou ◽

Ashraf Eskandari ◽

Patrik Michel

Keyword(s):

Time Windows ◽

Standard Of Care ◽

Stroke Care ◽

Regional Level ◽

Effective Number ◽

Single Center ◽

Resource Needs ◽

Liberal Approach ◽

Comprehensive Stroke Center ◽

Stroke Center

Aims: Endovascular treatment (EVT) for acute ischemic stroke (AIS) is the new standard of care for well selected, large vessel occlusive strokes. Hypothesis: We aimed to determine the frequency of patients potentially eligible for IV thrombolysis (IVT) and EVT based on the latest AHA/ASA guidelines. Methods: Data from a prespecified consecutive AIS registry (ASTRAL, 2003-2014) of a single comprehensive stroke center were examined. All AIS admitted <24hours and sufficient data to determine EVT-eligibility according to AHA/ASA guidelines (class I and IIa recommendations) on IVT and EVT were selected. Another set of more liberal criteria from different EVT trials and clinical practice was also tested. Time windows for EVT-eligibility was 4.5h (allowing for a door-to-groin delay ≤90min) and for IVT 3.5h (door-to-needle delay ≤60min). Results: A total of 2’704 AIS were included, of whom 26.8% were secondary transferrals. Proportion of IVT-eligible patients was 12.4% for all AIS, and 24.6% and 36.2% for patient arriving <24h and 6h respectively. Frequency of EVT-eligibility differed between the AHA/ASA guideline and the more liberal approach: 2.9% vs. 4.9% of all AIS and 10.5% vs. 17.7% of all patients arriving <6hours. These numbers are in line with the effective number of EVT applied in 2013 (15%) and 2014 (12%). Conclusions: Of patients arriving within 6h at a comprehensive stroke center, 10.5% are EVT eligible according to AHA/ASA criteria, nearly double (17.7%) with more liberal criteria, and again double for IV thrombolysis (36.2%). These figures may be useful for planning resource needs of stroke care on a regional level.

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Abstract P855: Importance of Compliance in Dysphagia Screening in Acute Stroke Care

Stroke ◽

10.1161/str.52.suppl_1.p855 ◽

2021 ◽

Vol 52 (Suppl_1) ◽

Author(s):

Patty Noah ◽

Melanie Henderson ◽

Rebekah Heintz ◽

Russell Cerejo ◽

Christopher T Hackett ◽

...

Keyword(s):

Acute Stroke ◽

Aspiration Pneumonia ◽

Hemorrhagic Stroke ◽

Oral Intake ◽

Stroke Care ◽

Stroke Severity ◽

Stroke Patients ◽

Acute Stroke Care ◽

Chi Square ◽

Stroke Center

Introduction: Dysphagia occurs in up to two thirds of stroke patients and can lead to serious complications such as aspiration pneumonia, which is also linked to increased morbidity and mortality. Evidence-based guidelines recommend a bedside dysphagia assessment before oral intake in stroke patients regardless of initial stroke severity. Several studies have described registered nurses’ competency in terms of knowledge and skills regarding dysphagia screening. We aimed to examine the rate of aspiration pneumonia compared to the rate of dysphagia screening. Methods: A retrospective analysis of prospectively collected data at a single tertiary stroke center was carried out between January 2017 and June 2020. Data comparison was completed utilizing ICD-10 diagnosis codes to identify aspiration pneumonia in ischemic and hemorrhagic stroke patients. The data was reviewed to compare the compliance of a completed dysphagia screen prior to any oral intake to rate of aspiration pneumonia. Chi square tests were used to assess proportion differences in completed dysphagia screen and proportion of aspiration pneumonia diagnosis in the ischemic and hemorrhagic stroke patients. Results: We identified 3320 patient that met inclusion criteria. 67% were ischemic strokes, 22% were intracerebral hemorrhages and 11% were subarachnoid hemorrhages. Compliance with dysphagia screening decreased from 94.2% (n=1555/1650) in 2017-2018 to 74.0% (n=1236/1670) in 2019-2020, OR=0.17 (95%CI 0.14 - 0.22), p < 0.0001. Aspiration pneumonias increased from 58 (3.5%) in 2017-2018 to 77 (4.6%) in 2019-2020, but this difference was not statistically significant, OR=0.75 (95%CI 0.53 - 1.07), p = 0.11. Conclusion: We noted that the decrease in compliance with completing a dysphagia screen in patients with acute stroke prior to any oral intake was associated with a higher trend of aspiration pneumonia.

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