Prospective Prehospital Evaluation of the Cincinnati Stroke Triage Assessment Tool

被引：69

作者：

McMullan, Jason T. ^{[1
]}

Katz, Brian ^{[2
]}

Broderick, Joseph ^{[3
]}

Schmit, Pamela ^{[1
]}

Sucharew, Heidi ^{[4
]}

Adeoye, Opeolu ^{[1
]}

机构：

[1] Univ Cincinnati, Dept Emergency Med, 231 Albert Sabin Way,ML 0769, Cincinnati, OH 45267 USA

[2] Ohio Hlth, Neurol, Columbus, OH USA

[3] Univ Cincinnati, Dept Neurol, Cincinnati, OH USA

[4] Cincinnati Childrens Hosp Med Ctr, Biostat & Epidemiol, Cincinnati, OH 45229 USA

来源：

PREHOSPITAL EMERGENCY CARE | 2017年 / 21卷 / 04期

关键词：

stroke; triage; comprehensive stroke center; systems of care; MIDDLE CEREBRAL-ARTERY; ISCHEMIC-STROKE; SEVERITY SCALE; THROMBECTOMY; VALIDATION; OCCLUSION; DESIGN;

D O I：

10.1080/10903127.2016.1274349

中图分类号：

R4 [临床医学];

学科分类号：

1002 ; 100602 ;

摘要：

Background and Purpose: A simple, easily adoptable scale with good performance characteristics is needed for EMS providers to appropriately triage suspected stroke patients to comprehensive stroke centers (CSC). Many existing tools are complex, require substantial training, or have not been prospectively validated in the prehospital setting. We describe the feasibility and effectiveness of prehospital implementation of our previously retrospectively derived and validated Cincinnati Stroke Triage Assessment Tool (C-STAT) to identify subjects with severe stroke (NIHSS 15) among all prehospital patients with clinical suspicion of stroke/TIA. Secondarily, we evaluated the tool's ability to identify subjects with NIHSS 10, large vessel occlusion (LVO), or needing services available only at a CSC. Methods: Without formalized training, Cincinnati Fire Department providers performed standard stroke screening (face, arm, speech, time; FAST) and C-STAT as part of their assessment of suspected stroke/TIA patients. Outcomes for patients brought to the region's only CSC or assessed by the regional stroke team were determined through structured chart review by a stroke team nurse. C-STAT test characteristics for each outcome were calculated with 95% confidence intervals. Results: Complete prehospital and outcome data were available for 58 FAST-positive subjects among 158 subjects with prehospital suspicion for stroke/TIA. Subjects were excluded if FAST was negative (n = 22), FAST or C-STAT was incompletely documented (n = 24), if the patient was taken to a non-CSC and did not receive a stroke team consult (n = 48), or if outcome data were missing (n = 6). C-STAT sensitivity and specificity for each outcome were: NIHSS 15, 77% (95% CI 46-95) and 84% (95% CI 69-93); NIHSS 10, 64% (95% CI 41-83) and 91% (95% CI 76-98); LVO, 71% (95% CI 29-96) and 70% (95% CI 55-83); overall CSC need 57% (95% CI 34-78) and 79% (95% CI 61-91). Conclusion: In this pilot prospective evaluation performed in the prehospital setting by EMS providers without formalized training, C-STAT is comparable to other published tools in test characteristics and may inform appropriate CSC triage beyond LVO ascertainment alone.

引用

页码：481 / 488

页数：8

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