Evidence map›Paper›PMID 41769317›Full record

ArticleResearch and practice in thrombosis and haemostasis2026

Physiologic clot strength by thromboelastography at extremely low and normal platelet counts in thrombocytopenic pregnant patients.

Kumiko Chino, Yue Qiu, Ximiao Yu, Patricia Dalby, C Tyler Smith, Alexandra Nicholas, Kylie Grady, Amy Monroe, Olivia Jarvis, Grace Lim

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Article in Research and practice in thrombosis and haemostasis, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

10 authors.

Kumiko ChinoDepartment of Anesthesiology, University of Pittsburgh Medical Center, UPMC Magee Hospital, Pittsburgh, Pennsylvania.
Yue QiuDepartment of Anesthesiology, University of Pittsburgh Medical Center, UPMC Magee Hospital, Pittsburgh, Pennsylvania.
Ximiao YuDepartment of Anesthesiology & Perioperative Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.
Patricia DalbyDepartment of Anesthesiology, University of Pittsburgh Medical Center, UPMC Magee Hospital, Pittsburgh, Pennsylvania.
C Tyler SmithDepartment of Anesthesiology, University of Pittsburgh Medical Center, UPMC Magee Hospital, Pittsburgh, Pennsylvania.
Alexandra NicholasDepartment of Anesthesiology, University of Pittsburgh Medical Center, UPMC Magee Hospital, Pittsburgh, Pennsylvania.
Kylie GradyDepartment of Anesthesiology, University of Pittsburgh Medical Center, UPMC Magee Hospital, Pittsburgh, Pennsylvania.
Amy MonroeDepartment of Anesthesiology & Perioperative Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.
Olivia JarvisDepartment of Anesthesiology & Perioperative Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.
Grace LimDepartment of Anesthesiology, University of Pittsburgh Medical Center, UPMC Magee Hospital, Pittsburgh, Pennsylvania.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Thrombocytopenia in pregnancy poses challenges for neuraxial anesthesia decisions. Guidelines consider platelet counts ≥70×10 Objectives: To evaluate the relationship between thromboelastography (TEG) maximum amplitude (MA) and platelet count in pregnant patients with and without thrombocytopenia, and to determine the ability of MA (across CK, CRT, and CFF assays) to discriminate clinically relevant thrombocytopenia (<70×10⁹/L). Methods: This prospective observational study enrolled pregnant patients with and without thrombocytopenia, defined as platelet count <70×10 Results: Thirty-one patients were enrolled. Log Conclusions: MA strongly correlates with platelet count in thrombocytopenic parturients even at low platelet counts, offering physiologic insight into clot strength and bleeding risk. These findings validate MA as a physiologic correlate of platelet-based clot strength. Thromboelastography may offer complementary physiologic insight into clot strength in parturients with low platelet counts, which can inform-but should not replace-clinical judgment.

Indexed as

anesthesia, epiduralanesthesia, obstetricalanesthesia, spinalplatelet countrisk assessmentthrombocytopeniathromboelastography

Identifiers

PMID41769317
PMCPMC12945574

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