EXPRESS: Global Impact of the COVID-19 Pandemic on Stroke Hospitalizations and Mechanical Thrombectomy Volumes.

Nogueira, Raul; Abdalkader, Mohamad; Qureshi, Muhammed M; Frankel, M R; Mansour, Ossama Yassin; Yamagami, Hiroshi; Qiu, Zhongming; Farhoudi, Mehdi; Siegler, James E; Yaghi, Shadi; Raz, Eytan; Sakai, Nobuyuki; Ohara, Nobuyuki; Piotin, Michel; Mechtouff, Laura; Eker, Omer; Chalumeau, Vanessa; Kleinig, Timothy; Liu, Jian-Min; Pop, Raoul; ... (2021). EXPRESS: Global Impact of the COVID-19 Pandemic on Stroke Hospitalizations and Mechanical Thrombectomy Volumes. International journal of stroke, 16(5), pp. 573-584. SAGE 10.1177/1747493021991652

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BACKGROUND

The COVID-19 pandemic led to profound changes in the organization of health care systems worldwide.

AIMS

We sought to measure the global impact of the COVID-19 pandemic on the volumes for mechanical thrombectomy (MT), stroke, and intracranial hemorrhage (ICH) hospitalizations over a 3-month period at the height of the pandemic (March 1 to May 31, 2020) compared with two control 3-month periods (immediately preceding and one year prior).

METHODS

Retrospective, observational, international study, across 6 continents, 40 countries, and 187 comprehensive stroke centers. The diagnoses were identified by their ICD-10 codes and/or classifications in stroke databases at participating centers.

RESULTS

The hospitalization volumes for any stroke, ICH, and MT were 26,699, 4,002, and 5,191 in the 3 months immediately before versus 21,576, 3,540, and 4,533 during the first 3 pandemic months, representing declines of 19.2% (95%CI,-19.7 to -18.7), 11.5% (95%CI,-12.6 to -10.6), and 12.7% (95%CI,-13.6 to -11.8), respectively. The decreases were noted across centers with high, mid, and low COVID-19 hospitalization burden, and also across high, mid, and low volume stroke/MT centers. High-volume COVID-19 centers (-20.5%) had greater declines in MT volumes than mid- (-10.1%) and low-volume (-8.7%) centers (p<0.0001). There was a 1.5% stroke rate across 54,366 COVID-19 hospitalizations. SARS-CoV-2 infection was noted in 3.9% (784/20,250) of all stroke admissions.

CONCLUSION

The COVID-19 pandemic was associated with a global decline in the volume of overall stroke hospitalizations, MT procedures, and ICH admission volumes. Despite geographic variations, these volume reductions were observed regardless of COVID-19 hospitalization burden and pre-pandemic stroke/MT volumes.

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