Cerebral autoregulation (CA) is a mechanism that maintains cerebral flood flow (CBF) despite the fluctuations in the arterial blood pressure. This process protects the brain from ischemic or hemorrhagic insults during events of hypo- or hyperperfusion, respectively. Children under general anesthesia
Background and significance:
Currently, more that 5.3 million Americans (or 2% of the population) live with disabilities resulting from TBI. Among OEF/OIF Veterans, TBI incidence estimates as high as 23% have been reported, with mild TBI (mTBI) being the most common.1 This proposal addresses the
Background Cerebral autoregulation is generally considered to maintain cerebral blood flow (CBF) if mean arterial pressure (MAP) is between 60 and 150 mmHg. Yet, it is controversial whether there is a plateau for CBF. Thus, blood velocity of the middle cerebral artery (MCA Vmean), as an index of
Caffeine is routinely administered to extremely preterm neonates as a respiratory stimulant to prevent or treat apnea of prematurity, or prolonged pauses in breathing in preterm babies. Caffeine, a methylxanthine, is an adenosine receptor antagonist that has the effects of relaxing smooth muscle in
Laparoscopic cholecystectomy procedure is the treatment of choice for cholelithiasis as it has several advantages like smaller and more cosmetic incision, reduced blood loss, less postoperative pain, reduced post-operative stay, low post-operative complications, and early mobilization. Although this
All patients will be subjected to a thorough preoperative evaluation including clinical assessment, ECG, Echocardiography, pulmonary function tests and laboratory investigations (CBC, SGOT, SGPT, Albumin, Serum creatinine) and basal arterial blood gases. All patients will be pre-medicated with
Extubation after intracranial tumor surgery is desirable in order to make an early diagnosis of intracranial complications. Extubation however, may be associated with haemodynamic and metabolic changes e.g. agitation, increased oxygen consumption, catecholamine secretion, hypercapnia and systemic
Patient population Sixty patients undergoing elective gynecological laparoscopic surgery at Guizhou province people's hospital with an ASA physical status of I-II were recruited between November 2013 and November 2014. Their ages ranged from 29-60 yr. Exclusion criteria were recent use of TEAS or
Study design
The MICOLON study is a prospective, single-centre, observational cohort study on the association between 5th generation high sensitive cardiac troponin T levels and non-cardiac outcome after major abdominal surgery in patients at risk for coronary artery disease.
Patient
- Study cycle:
1. Check of criteria of inclusion/exclusion
2. Informed consent
3. Recording preoperative data via paper case report form
4. Preoperative EIT measurement
5. Postoperative EIT measurement
6. Recording postoperative data via paper case report form
Patients therapy and any diagnostic
Randomized Controlled Trial to Study the Effect of Nasal Continuous Positive Airway Pressure (NCPAP) Cycling on Successful Weaning when Compared with Continuous Nasal Positive Airway Pressure (NCPAP) in Premature Infants of 25-28 weeks gestations Background: In Canada, preterm babies of < 28 weeks
Rationale Survival from the Acute Respiratory Distress (ARDS) has been associated with clinical (e.g. age, sepsis, and organ failure) and biological factors. The latter include inflammatory mediators (e.g. cytokines), factors of activation/damage of the capillary endothelium (e.g. von Willebrand
The course of aneurysmal subarachnoid hemorrhage (aSAH) is determined by the sequence of several ischemic episodes. Immediately after aSAH, an increase of ICP causes an increase of CBF. It is followed by an acute vasoconstriction over the next hours and days. Typically between day 4 and 10 after
BACKGROUND AND RATIONALE Recent two-center results (1) support a beneficial effect of combined high-frequency oscillation (HFO), recruitment maneuvers (RMs) and tracheal gas insufflation (TGI) on the survival of patients with severe acute respiratory distress syndrome (ARDS). The addition of TGI to
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