Evidence map›Paper›PMID 38020653›Full record

ArticleFrontiers in neurology2023

Japanese nationwide questionnaire survey on delayed cerebral infarction due to vasospasm after subarachnoid hemorrhage.

Yusuke Nishikawa, Shigeki Yamada, Mitsuru Uchida, Tomoyasu Yamanaka, Yuki Hayashi, Hiroyuki Katano, Motoki Tanikawa, Toru Iwama, Koji Iihara, Motohiro Morioka and 1 more

Open access · goldAbstract read
In one paragraph

Article in Frontiers in neurology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
1.2field-weighted citation impact, top 19% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

7 citing papers in PubMed, 6 citations in OpenAlex.

  1. Article
  2. Microthrombi and hypercoagulability's contribution to delayed cerebral ischemia after aneurysmal subarachnoid hemorrhage.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2026
    Review
  3. Article
  4. Quantitative evaluation of the vasodilatory effect of clazosentan in preventing cerebral vasospasm after subarachnoid hemorrhage.Interventional neuroradiology : journal of peritherapeutic neuroradiology, surgical procedures and related neurosciences · 2025
    Article
  5. Article
  6. Observational
  7. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors at 5 institutions in 1 country.

Yusuke NishikawaDepartment of Neurosurgery, Nagoya City University Graduate School of Medical Science, Nagoya, Japan.
Shigeki YamadaDepartment of Neurosurgery, Nagoya City University Graduate School of Medical Science, Nagoya, Japan.
Mitsuru UchidaDepartment of Neurosurgery, Nagoya City University Graduate School of Medical Science, Nagoya, Japan.
Tomoyasu YamanakaDepartment of Neurosurgery, Nagoya City University Graduate School of Medical Science, Nagoya, Japan.
Yuki HayashiDepartment of Neurosurgery, Nagoya City University Graduate School of Medical Science, Nagoya, Japan.
Hiroyuki KatanoDepartment of Neurosurgery, Nagoya City University Graduate School of Medical Science, Nagoya, Japan.
Motoki TanikawaDepartment of Neurosurgery, Nagoya City University Graduate School of Medical Science, Nagoya, Japan.
Toru IwamaDepartment of Neurosurgery, Gifu University Graduate School of Medicine, Gifu, Japan.
Koji IiharaNational Cerebral and Cardiovascular Center Hospital, Suita, Japan.
Motohiro MoriokaDepartment of Neurosurgery, Kurume University, Kurume, Japan.
Mitsuhito MaseDepartment of Neurosurgery, Nagoya City University Graduate School of Medical Science, Nagoya, Japan.
Nagoya City University · JPGifu University · JPKurume University · JPNational Cerebral and Cardiovascular Center · JPThe University of Tokyo · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background and purpose: Various prophylactic drugs for cerebral vasospasm and delayed cerebral infarction (DCI) after subarachnoid hemorrhage (SAH) have been used in Japan. To investigate the treatment trends for cerebral vasospasm and frequency of DCI after SAH throughout Japan in 2021. Methods: In 2021 we conducted an anonymous questionnaire survey on management for preventing cerebral vasospasm after aneurysmal SAH, and the frequency of DCI. The questionnaire was emailed to 955 certified neurosurgeons at 553 hospitals in Japan. Of them, 162 hospitals (29% response rate) responded to the questionnaire. Of these, 158 were included in this study, while four hospitals that responded insufficiently were excluded. The efficacy of treatments for reducing DCI were examined through a logistic regression analysis. Results: Among 3,093 patients treated with aneurysmal SAH, 281 patients (9.1%) were diagnosed with DCI related to cerebral vasospasm. Coil embolization had significantly lower DCI frequency (6.9%), compared to microsurgical clipping (11.8%, odds ratio, 0.90; 95% confidential intervals, 0.84-0.96; Conclusions: This study elucidated the trends in prophylactic drugs to prevent cerebral vasospasm and frequency of DCI after aneurysmal SAH in Japan. Coil embolization and cilostazol administration showed effectiveness in reducing DCI related to cerebral vasospasm in 2021.

Indexed as

aneurysmalcerebral vasospasmcilostazolcoil embolizationdelayed cerebral infarctionsubarachnoid hemorrhagesurvey

Identifiers

PMID38020653
PMCPMC10654625
OpenAlexW4388303308

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.