Results 81 to 90 of about 276,086 (232)

Factors influencing heart rate variability in nurses following night shifts: a prospective observational clinical study

BMC Nursing
Background Heart rate variability (HRV) has been established as a key indicator of autonomic nervous system activity, reflecting both sympathetic and parasympathetic modulation.
Taihe Zhan, Ziying Zhang, Zhimin Shi, Hongyan Xie, Daogang Zha, Xiumei Wei   +5 more
doaj   +1 more source

Konsep Dasar Transcranial Doppler (TCD) untuk Neurocritical Care

Jurnal Neuroanestesi Indonesia, 2017
Transcranial Doppler merupakan salah satu aplikasi dari penggunaan ultrasonografi (USG) sehingga bersifat noninvasif dan mobile. Untuk dapat menggunakan TCD dengan baik maka diperlukan pemahaman mengenai doppler effect yang merupakan dasar perhitungan ...
Ida Bagus Krisna J. Sutawan, Siti Chasnak Saleh, Tatang Bisri   +2 more
doaj   +1 more source

Processamento de sinais Doppler para obtenção de sonograma em tempo real [PDF]

, 2003
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Elétrica.A aterosclerose reduz a luz de vasos sanguíneos, causando isquemia.
Baggio, João Fernando Refosco
core  

Scaling temporal resolution from mice to humans: Challenges and innovations in preclinical imaging of translational models

The Journal of Physiology, EarlyView.
Abstract figure legend Temporal scaling physiology differs significantly between mice and humans. Mice have higher metabolism, heart and respiratory rate, as well as faster blood flow rates, brain activity and physiological dynamics over time. These differences influence the temporal resolution needed in preclinical imaging of mouse models to ...
Sara Gargiulo, Matteo Gramanzini
wiley   +1 more source

Acute Neurological Events in Children With Hemoglobin SC Disease: A Multicenter Retrospective Study

Pediatric Blood &Cancer, Volume 73, Issue 11, November 2026.
ABSTRACT Introduction Neurological manifestations in children with hemoglobin SC (HbSC) disease remain insufficiently characterized, particularly regarding acute events. The aim of this study was to describe the spectrum and frequency of acute neurological events in a multicenter cohort of children with HbSC disease.
Célia Paulmin, Bérengère Koehl, Audrey Maudoux, Hanine Mansour, Marie‐Hélène Odievre, Nathalie Garrec, Emilie Georget, Cécile Arnaud, Slimane Allali, Lydia Doumdo, Marie Belloy, Corinne Guitton   +11 more
wiley   +1 more source

RETROSPECTIVE EVALUATION OF THE FETUS AND NEWBORN ON THE BASIS OF INDICATORS OF FETAL HEMODYNAMICS AND TRANSCRANIAL CEREBRAL OXIMETRY

Медицинский вестник Юга России, 2013
Purpose: identify the correlation between antenatal evaluation of fetus and newborn according to cerebral fetal hemodynamic and transcranial cerebral oximetryMaterials and methods.
V. A. Kulakova, A. V. Orlov, M. G. Nekrasova   +2 more
doaj   +1 more source

HOPE Kids 2: Phase 3, Randomized Trial of Voxelotor in Children With SCD and Conditional Cerebral Blood Flow Velocities

American Journal of Hematology, Volume 101, Issue 11, Page 2799-2811, November 2026.
ABSTRACT Children with SCD have elevated stroke risk, correlated with cerebral blood flow velocity (CBFV). HOPE Kids 2 was a phase 3, multicenter, double‐blind, placebo‐controlled trial evaluating the effect of voxelotor on CBFV. Participants aged 2 to < 15 years with SCD (HbSS/HbSβ0) and conditional CBFV (170 to < 200 cm/s) were randomized 1:1 to ...
Halima Bello‐Manga, Shehu Umar Abdullahi, Hoda Hassab, Biobele Brown, Videlis Nduba, Jessie Githanga, Adeseye Michael Akinsete, Amal El‐Beshlawy, Diana Hanna, Catherine Segbefia, Iheanyi Okpala, Azza Tantawy, Bernhards Ogutu, Venée N. Tubman, Vivian Paintsil, Yasser Wali, Mohammed Essa, Paul Telfer, Sandy Dixon, Anne Hickman, Jennifer F. Doss, Mark W. Davis, Jeremy Rupon, Fenella J. Kirkham, R. Clark Brown, on behalf of the HOPE Kids 2 Investigators, Amal El‐Beshlawy, Mohamed Badr, Diana Hanna*, Hoda Hassab, Azza Tantawy, Vivian Paintsil, Catherine Segbefia, Raffaella Colombatti, Daniela Cuzzubbo, Silverio Perrotta, Jessie Githanga, Videlis Nduba, Bernhards Ogutu, Shehu Umar Abdullahi, Adeseye Michael Akinsete, Halima Bello‐Manga, Biobele Brown, Iheanyi Okpala, Yasser Wali, Mohammed Essa, Banu Kaya, Paul Telfer, Ofelia Alvarez, Natasha Archer, Shayla Bergmann, R Clark Brown, Andrew Campbell, Carlton Dampier*, Richard Hurwitz, Erin Jackson, Janet Kwiatkowski, Melissa M. McNaull*, Venée N. Tubman   +58 more
wiley   +1 more source

Subclinical Cerebral Lesions in Migraine: A Proof‐of‐Concept Study on Platelet Aggregation

European Journal of Neurology, Volume 33, Issue 11, November 2026.
We assessed platelet aggregation in patients with migraine (n = 34) with or without cerebral white‐matter lesions (WMLs) versus matched controls (n = 34), with WMLs volume quantified by MRI (mm3). Aggregation to ADP, collagen, epinephrine, and arachidonic acid was measured; epinephrine‐induced aggregation at 1.25–2.5 μM was overall lower in migraine ...
Ilaria Maestrini, Mariaignazia Curreli, Marta Puma, Costanza Giannì, Eleonora Schiera, Giada Giuliani, Massimiliano Toscano, Marta Altieri, Patrizia Pantano, Fabio Pulcinelli, Vittorio Di Piero   +10 more
wiley   +1 more source

Transcranial Doppler correlation with cerebral angiography in sickle cell disease.

, 1992
Cerebral infarction in sickle cell disease is associated with arterial narrowing or occlusions of intracranial arteries. Primary stroke prevention would be feasible if a noninvasive screening test could be developed to detect intracranial disease in ...
T Lott, R Figueroa, F T Nichols, V McKie, R J Adams   +4 more
core   +1 more source

Optimizing cerebrovascular endothelial health through shear stress modulation

Experimental Physiology, Volume 111, Issue 11, Page 4987-4998, 1 November 2026.
Abstract The endothelium plays a pivotal role in regulating cerebrovascular blood flow, and its dysfunction increases the risk of cerebrovascular disease. Endothelial shear stress, a primary mechanical stimulus for endothelial nitric oxide production, is a key modulator of vascular adaptation.
Erika Iwamoto, Rintaro Sakamoto, Darren P. Casey   +2 more
wiley   +1 more source