*  The use of hyperventilation therapy after traumatic brain injury in Europe: an analysis of the BrainIT database | SpringerLink
To assess the use of hyperventilation and the adherence to Brain Trauma Foundation-Guidelines (BTF-G) after traumatic brain ... Oertel M, Kelly DF, Lee JH, Glenn TC, Vespa PM, Martin NA (2002) Can hyperventilation improve cerebral microcirculation in ... Stringer WA, Hasso AN, Thompson JR, Hinshaw DB, Jordan KG (1993) Hyperventilation-induced cerebral ischemia in patients with ... Lundberg N, Kjallquist A, Bien C (1959) Reduction of increased intracranial pressure by hyperventilation. A therapeutic aid in ...
  https://link.springer.com/article/10.1007%2Fs00134-008-1123-7
*  l-Arginine Improves Diminished Cerebral CO2 Reactivity in Patients | Stroke
TABLE 3. Percent of Decrease of Baseline Mean Flow Velocity (MFV) During Hyperventilation as Well as Increase in Percent During ... l-Arginine Improves Diminished Cerebral CO2 Reactivity in Patients. C. Zimmermann, R.L. Haberl ... l-Arginine infusion increases basal but not activated cerebral blood flow in humans. J Cereb Blood Flow Metab. 1997; 17: 309- ... Although it is known that l-arginine itself can temporarily increase cerebral blood flow,10,11 it is not clear whether it ...
  http://stroke.ahajournals.org/content/34/3/643
*  Laparoscopic Physiologic Perturbations: Implications for At-Risk Patients - The 3rd Edition: Prevention & Management
3 demonstrate an increase,9,16,37 and 4 show no increase.10,23,36,59 The literature suggests that an increase in pulmonary ... The literature indicates that an increase in systemic vascular resistance usually occurs with CDP, and an increase in left ... 22 demonstrate an increase,1,7,13,14,17,21-23,25,27,30,35-37,42,44,55,59-61,65,71 and 1 demonstrates no increase.45 Of 21 human ... 18 demonstrate an increase,1,4,9,11,16,23,25,29,31-33,36,37,41,42,50,59,66 and 1 shows no increase.34 Five human investigations ...
  http://laparoscopy.blogs.com/prevention_management_3/2010/07/laparoscopic-physiologic-perturbations-implications-for-atrisk-patients.html
*  What are the Current Recommendations for Treatment of Acute Traumatic Head Injury? | PediatricEducation.org™
35 mg Hg is not recommended especially in the first 24 hours as it may increase cerebral ischemia. Mild hyperventilation with ... Aggressive hyperventilation with pCO2 , 30 mm Hg can be used in refractory intracranial hypertension.. The cerebral edema that ... Cerebral perfusion pressure - is the mean arterial pressure minus the intracranial pressure. Cerebral perfusion pressure must ... The guidelines recommend keeping the cerebral perfusion pressure between 40-65 mm Hg.. The loss of cerebral autoregulation is ...
  https://pediatriceducation.org/2007/11/05/what-are-the-current-recommendations-for-treatment-of-acute-traumatic-head-injury/
*  Research at The Department of Anaesthesiology Abdominal Centre
This reflects that low intensity exercise is associated with increasing cerebral oxygenation, while cerebral oxygenation ... since marked hyperventilation reduces arterial carbon dioxide tension and therefore cerebral blood flow at the same time as the ... It is demonstrated that physical exercise requires an approximately 20 % increase in cerebral blood flow and metabolic rate for ... Cerebral blood flow and oxygenation are also vulnerable to a lowering of blood pressure. The so-called lower level of cerebral ...
  https://www.rigshospitalet.dk/english/departments/abdominal-centre/department-of-anaesthesiology/research/Pages/research.aspx
*  AboutBFS.com • View topic - Insight would be appreciated!
Hyperventilation syndrome may be due to hypocapnia, alkalosis, increased cerebral vasoconstiction, decreased cerebral blood ... Those are for most parts symptoms of chronic hyperventilation, which I suffer from. Episodes with a severe increase of those ... There's a link between BFS and hyperventilation, many BFSers develoo hyperventilation during the process, others had it prior ... flow (headaches), and increased nerve sensitivity.. Chronic hyperventilation also causes a condition called spasmophilia which ...
  http://www.aboutbfs.com/forums/viewtopic.php?p=144818
*  Early Effects of Acid-Base Management during Hypothermia on Cerebral Infarct Volume, Edema, and Cerebral Blood Flow in Acute...
5 Because of the increased gas solubility during hypothermia, the α-stat strategy results in relative hyperventilation and a ... Cerebral infarct may still increase after days, and cerebral edema may change after a longer time period 25 . However, the ... the increased CBF in pH-stat management was associated with a reduced cerebral infarct volume and cerebral edema. ... 6,18,19 This effect was attributed to a greater rate of cerebral microemboli because of an increased CBF during pH-stat ...
  http://anesthesiology.pubs.asahq.org/article.aspx?articleid=1943868
*  Valproate Toxicity
One case report discussed management of cerebral edema and increased intracranial pressure with ventriculostomy, ... hyperventilation to maintain a perfusion pressure at 60-70 mm Hg, and 1 dose of mannitol 25 g and dopamine 1-8 µg/kg/min.[24] ... In vitro studies have shown that VPA increases GABA levels by increasing the activity of glutamic acid decarboxylase and by ... It may be increased in neonates, in patients with liver disease, and in those ingesting an acute overdose, particularly with ...
  http://misc.medscape.com/pi/android/medscapeapp/html/A819315-business.html
*  Hyperventilation syndrome - Wikipedia
... decreased cerebral blood flow, and increased nerve sensitivity. In one study, one third of patients with HVS had "subtle but ... Hyperventilation syndrome (HVS); also chronic hyperventilation syndrome (CHVS) and dysfunctional breathing hyperventilation ... "Hyperventilation". Retrieved 2007-12-20. "Neurology - Hyperventilation Syndrome , Brad McKechnie, DC, DACAN". Retrieved 2007-12 ... Hyperventilation syndrome is believed to be caused by psychological factors and by definition has no organic cause. It is one ...
  https://en.wikipedia.org/wiki/Hyperventilation_syndrome
*  Physiology of underwater diving - Wikipedia
Hyperventilation depletes the blood of carbon dioxide (hypocapnia), which causes respiratory alkylosis (increased pH), and ... Breath-hold blackout is a loss of consciousness caused by cerebral hypoxia towards the end of a breath-hold dive, when the ... as indicated by increased reaction time and increased errors in cognitive function, are effects which increase the risk of a ... which for contaminants is increased in proportion to absolute ambient pressure. Work of breathing is increased by increased ...
  https://en.wikipedia.org/wiki/Physiology_of_underwater_diving
*  CASE PRESENTATION R MAHARAJ. CASE STUDY 11 year old LM...involved in a pedestrian -vehicle accident on Koeberg Road. Taken to...
12 VENTILATION: Current recommendation: EUCAPNIA HYPERVENTILATION - reserved solely for patients with impending cerebral ... 11 PARALYTIC AGENT: Scoline - agent of choice May transiently increase ICP - no clinical evidence that that this increases ... Increases ICP and cerebral oxygen consumption. Recent studies downplay these adverse effects -> Bourgoin A, Albanese J, ... Mortality increased when SBP < 75 th centile Vavilala MS, Bowen A, Lam AM, et al. Blood pressure and outcome after severe ...
  http://slideplayer.com/slide/3191041/
*  Effects of Hypertonic Saline Hydroxyethyl Starch Solution and Mannitol in Patients With Increased Intracranial Pressure After...
Hyperhes increases cerebral blood flow velocity (CBFV): a new concept for patients with a compromised cerebral microcirculation ... Adverse effects of prolonged hyperventilation in patients with severe head injury: a randomized clinical trial. J Neurosurg. ... include improved cerebral blood flow, increased oxygen delivery and rheology, and clearance of toxic metabolites from the brain ... The increase in CPP was most marked after 35 minutes (mean increase, by 19.2%, to 84.9±3.9 mm Hg; P,0.01) (Figure 2⇓). ...
  http://stroke.ahajournals.org/content/29/8/1550
*  Stereotactic Infarct Tissue Aspiration for Malignant Infarction of Middle Cerebral Artery - Full Text View - ClinicalTrials.gov
Malignant middle cerebral artery infarction (MMCI) has a fatality rate of up to 80%, due to massive brain edema, increased ... and eventually hyperventilation, buffers, or hypothermia. A growing evidence show that decompression craniectomy (DC) can ... Cerebral Arterial Diseases. Infarction. Infarction, Middle Cerebral Artery. Ischemia. Pathologic Processes. Necrosis. Cerebral ... Stereotactic Infarct Tissue Aspiration for Malignant Infarction of Middle Cerebral Artery (SMART). The safety and scientific ...
  https://clinicaltrials.gov/ct2/show/NCT02609256?cond=%22cerebral+autosomal+recessive+arteriopathy+with+subcortical+infarcts+and+leukoencephalopathy%22+OR+%22Cerebral+Arterial+Diseases%22&rank=21&sel_rss=new14
*  Serum S100B Predicts a Malignant Course of Infarction in Patients With Acute Middle Cerebral Artery Occlusion | Stroke
Background and Purpose- Early predictors of infarct volume may improve therapeutic decisions in patients with acute cerebral ... 1 Nonsurgical antiedematous treatment such as controlled hyperventilation, intravenous osmotherapy, mild to moderate ... middle cerebral artery. Large infarcts caused by acute proximal middle cerebral artery (MCA) occlusion are often accompanied by ... The significance of this correlation increased over time (12 hours R=0.525; 16 hours R=0.539; 20 hours R=0.681; 24 hours R= ...
  http://stroke.ahajournals.org/content/35/9/2160
*  Ornithine transcarbamylase - Wikipedia
Hyperventilation, secondary to cerebral edema, is a common early finding in a hyperammonemic attack, which causes a respiratory ... Levels of the amino acids glutamate and alanine will be increased (as these are the amino acids that receive nitrogen from ... Here, orotic acid (one step of this alternative pathway) levels in the blood are increased. A potential treatment for the high ... Hypoventilation and respiratory arrest follow, as pressure increases on the brainstem. In milder (or partial) urea cycle enzyme ...
  https://en.wikipedia.org/wiki/Ornithine_transcarbamylase
*  Freediving blackout - Wikipedia
Hyperventilation depletes the blood of carbon dioxide (hypocapnia), which causes respiratory alkylosis (increased pH), and ... If the brain used more oxygen than is available in the blood supply, the cerebral oxygen partial pressure may drop below the ... Risk cannot be quantified, but is clearly increased by any level of hyperventilation. Freediving blackout can occur on any dive ... Survivors of shallow water blackouts often report using hyperventilation as a technique to increase the time they can spend ...
  https://en.wikipedia.org/wiki/Freediving_blackout
*  A Pilot Study of Demand Valve Oxygen Inhalation Therapy for Cluster Headache - Full Text View - ClinicalTrials.gov
... stopping a cluster headache attack than the continuous flow model as it can support hyperventilation which can enhance cerebral ... allowing increased oxygen flow in response to increased demand. This system may be more efficacious at stopping a cluster ... allowing increased oxygen flow in response to increased demand. This delivery system may be better at ... If the user inhales more deeply, more oxygen will flow in response to the increased demand, hence the name demand valve. Unlike ...
  https://clinicaltrials.gov/ct2/show/NCT01298921?term=%22Headache%22&recr=Open&rank=11
*  Central neurogenic hyperventilation - Wikipedia
Lange, L. S.; Laszlo, G. (1965). "Cerebral tumour presenting with hyperventilation". Journal of Neurology, Neurosurgery & ... Increasing irregularity of this respiratory rate generally is a sign that the patient will enter into coma. CNH is unrelated to ... "Central neurogenic hyperventilation with primary cerebral lymphoma: A case report". Radiation medicine. 19 (4): 209-13. PMID ... The hyperventilation of CNH patients persists during sleep. Those affected have been observed to not be able to voluntarily ...
  https://en.wikipedia.org/wiki/Central_neurogenic_hyperventilation
*  Cerebrovascular and Metabolic Effects of Isoflurane and Halothane: A Preliminary Report | Springer for Research & Development
Since cerebral vasodilatation caused by these agents leads to an increase in cerebral blood volume, administration of volatile ... although the risk of increased intracranial pressure can usually be controlled by means of adequate hyperventilation. The ... Eintrei C, Leszniewski W, Carlsson C (1985) Local application of 133xenon for measurement of regional cerebral blood flow (rCBF ... 1974) The effects of enflurane, isoflurane, and halothane on cerebral blood flow and metabolism in man. Abstracts of scientific ...
  https://rd.springer.com/chapter/10.1007/978-3-642-71230-2_18
*  1 - Simple moving averages technical analysis
... randomized studies simole shown that long-term or aggressive hyperventilation is harmful because it lowers cerebral perfusion, ... analsyis efficacy of mild temporary hyperventilation for improved outcomes has not been demonstrated Load 10mgkg over 30min, ... Due to increased competition, Vp(a) is empty in Pn if and only if Va(a) is contained in {0} in An1, if and only if a I(Va(a)) ... Next, given good starting values, training time is simpl, albeit at the expense of increased initialisation times. ...
  http://topbinaryoptionrobots.com/simple-moving-averages-technical-analysis.html
*  Association Between Postresuscitation Partial Pressure of Arterial Carbon Dioxide and Neurological Outcome in Patients With...
Cerebral hemodynamic changes during sustained hypocapnia in severe head injury: can hyperventilation cause cerebral ischemia? ... secondary to hypocapnia-induced cerebral vasoconstriction resulting in decreased cerebral blood flow and increased cerebral ... The use of hyperventilation and its impact on cerebral ischemia in the treatment of traumatic brain injury. Crit Care Clin. ... Improved cerebral resuscitation from cardiac arrest in dogs with mild hypothermia plus blood flow promotion. Stroke. 1996;27: ...
  http://circ.ahajournals.org/content/127/21/2107.full
*  Epidural Hematoma in Emergency Medicine Treatment & Management: Prehospital Care, Emergency Department Care, Consultations
Hyperventilation to partial pressure of carbon dioxide (PCO2) of 30-35 mm Hg treats incipient herniation or signs of increasing ... This reduces both ICP (by osmotically reducing brain edema) and blood viscosity, which increases cerebral blood flow and oxygen ... Be careful not to lower PCO2 too far (, 25 mm Hg). Perform hyperventilation if clinical signs of increased ICP progress and are ... Cerebral perfusion thresholds. J Neurotrauma. 2007. 24 Suppl 1:S59-64. [Medline]. [Full Text]. ...
  https://emedicine.medscape.com/article/824029-treatment
*  Harrison's Principle.. - English
Symptomatic cerebral vasospasm can also be treated by increasing the cerebral perfusion pressure by raising mean arterial ... Medical therapies designed to combat raised ICP (e.g., mild hyperventilation, mannitol, and sedation) can also be used as ... 20). If low cerebral blood flow persists for a longer duration, then infarction in the border zones between the major cerebral ... CT perfusion imaging increases the sensitivity and improves accuracy in imaging ischemic brain. Alternatively, MR perfusion can ...
  https://www.slideshare.net/dennis43/harrisons-principle
*  Effect of Intravenous Dipyridamole on Cerebral Blood Flow in Humans | Stroke
Cerebral blood flow changes in the primary motor and premotor cortices during hyperventilation. Ann Nucl Med.. 1998;12:29-33. ... 1 study did observe increased CBF in rabbits after administration of dipyridamole.16 No increase in global CBF as measured by ... 21 22 and it was concluded that dipyridamole or adenosine was a cerebral vasodilator and was useful for estimating cerebral ... Human cerebral vessels have A2 adenosine receptors.30 The stimulation of these A2 receptors causes the relaxation of vascular ...
  http://stroke.ahajournals.org/content/30/8/1616
*  Exercise sub-cluster 53
These factors, together with increased anaerobic metabolism, are thought to cause exercise hyperventilation. To assess the role ... A cerebral neural network model. Poon C S - - 1991 A recent model of respiratory control suggested that the steady-state ... Garter snakes increase ventilation in response to elevated venous PCO2 without a concomitant rise in arterial PCO2 (Furilla et ... Healthy subjects were studied after 3 min hyperventilation down to an end-tidal PCO2 of about 20 mmHg on a background of steady ...
  http://www.biomedsearch.com/cluster/75/Exercise/sub-53-p10.html