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. 2023 Aug;12(15):e026763.
doi: 10.1161/JAHA.122.026763. Epub 2023 Jul 19.

Stroke Characteristics in a Cohort of Hmong American Patients

Haitham M Hussein  1   2   3 , Bhavani Kashyap  2   4 , Lauren O'Keefe  4 , Carol Droegemueller  3 , Sally I Othman  2 , Mai Kau Yang  1 , Leah R Hanson  2   4
Affiliations

Stroke Characteristics in a Cohort of Hmong American Patients

Haitham M Hussein et al. J Am Heart Assoc. 2023 Aug.

Abstract

Background Prior studies have indicated high rates of vascular risk factors, but little is known about stroke in Hmong. Methods and Results The institutional Get With The Guidelines (GWTG) database was used to identify patients discharged with acute ischemic stroke, intracerebral hemorrhage, or subarachnoid hemorrhage between 2010 and 2019. Hmong patients were identified using clan names and primary language. Univariate analysis was used to compare Hmong and White patients. A subarachnoid hemorrhage comparison was not conducted because of the small sample size. We identified 128 Hmong patients and 3084 White patients. Hmong patients had more prevalent hemorrhagic stroke (31% versus 15%; P<0.0016). In the acute ischemic stroke cohort, compared with White patients, Hmong patients were younger (60±13 versus 71±15 years; P<0.0001), presented to the emergency department almost 4 hours later; and had a lower thrombolysis usage rate (6% versus 14%; P=0.03496), worse lipid profile, higher hemoglobin A1C, similar stroke severity, and less frequent discharge to rehabilitation facilities. The most common ischemic stroke mechanism for Hmong patients was small-vessel disease. In the intracerebral hemorrhage cohort, Hmong patients were younger (55±13 versus 70±15 years; P<0.0001), had higher blood pressure, and had a lower rate of independent ambulation on discharge (9% versus 30%; P=0.0041). Conclusions Hmong patients with stroke were younger and had poorer risk factor control compared with White patients. There was a significant delay in emergency department arrival and low use of acute therapies among the Hmong acute ischemic stroke cohort. Larger studies are needed to confirm these observations, but action is urgently needed to close gaps in primary care and stroke health literacy.

Keywords: Asian American; Hmong; cerebrovascular disease; immigrant health; ischemic; racial disparity; war refugees.

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Figures

Figure 1
Figure 1. Study flowchart.
TIA indicates transient ischemic attack.
See this image and copyright information in PMC

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