نتایج جستجو برای: blood circulation

تعداد نتایج: 743357  

Background: Previous studies demonstrated a health improving effect in patients underwent an automatic vibratory massage taking 10 minutes. One of reasons that may explain a healing effect of the automatic massage is a stimulated increase in both blood circulation through vascular system and effective size of blood vessels. Objective: This paper aims to quantify a contribution of the auto...

ALlREZA SOTUDEHNEJAD, HAMID TABRIZCHI, PEDRAM NIKNAFS,

In critically ill infants and children, intravascular (IV) access is sometimes very difficult. In such cases intraosseous (IO) infusion should be used as the method of choice. However, in practice, different problems are experienced with this procedure. To overcome the practical problems and to confirm the efficacy of IO infusion in reversing hypovolemic shock, an animal model was used by ...

Asadollah Mojtabaei,

Etiology of Physiologic Neonatal Hyperbili­rubinemia. Every newborn infant develop·s hyperbilirubinemia during the first week of life which is called "physiologic". There are several factors responsible for the development of physiologic hyperbilirubinemia, as follows:  1. Increased bilirubin production, due to a - Increased blood volume. b - Decreased R.B.C. survival time.  c - Increased in...

Journal: :IP international journal of comprehensive and advanced pharmacology 2023

Abernethy malformation is a rare congenital vascular in which anomalous communication seen between portal and systemic circulation. While treating the main goal to prevent shunting of blood into circulation preserving hepatic flow. This can be achieved surgically or non-surgical method. We report anaesthetic management closure type II 10 year old female child who had undergone ostium secundum A...

2016
Yoshiki Yamakoshi Sei-ichiro Motegi Osamu Ishikawa

Blood circulation function of peripheral blood vessels in skin dermis was evaluated employing an optical sensor with a pressurization mechanism using the blood outflow and reflow characteristics. The device contains a light source and an optical sensor. When applied to the skin surface, it first exerts the primary pressure (higher than the systolic blood pressure), causing an outflow of blood f...

Journal: :Circulation research 2003
Rui Ping Ji Colin K L Phoon Orlando Aristizábal Kathleen E McGrath James Palis Daniel H Turnbull

When cardiac function and blood flow are first established are fundamental questions in mammalian embryogenesis. The earliest erythroblasts arise in yolk sac blood islands and subsequently enter the embryo proper to initiate circulation. Embryos staged 0 to 30 somites (S) were examined in utero with 40- to 50-MHz ultrasound biomicroscopy (UBM)-Doppler, to determine onset of embryonic heartbeat ...

2014
Michael Stoller Christian Seiler

While the existence of structural adaptation of coronary anastomoses is undisputed, the potential of coronary collaterals to be capable of functional adaptation has been questioned. For many years, collateral vessels were thought to be rigid tubes allowing only limited blood flow governed by the pressure gradient across them. This concept was consistent with the notion that although collaterals...

2003
A. Nemmar

Methods and Results—To assess to what extent and how rapidly inhaled pollutant particles pass into the systemic circulation, we measured, in 5 healthy volunteers, the distribution of radioactivity after the inhalation of “Technegas,” an aerosol consisting mainly of ultrafine 99mTechnetium-labeled carbon particles ( 100 nm). Radioactivity was detected in blood already at 1 minute, reached a maxi...

Journal: :Circulation research 1973
C L Pelletier J T Shepherd

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