逆行性テント切痕ヘルニア
WordNet
- of the transmission gear causing backward movement in a motor vehicle; "in reverse gear"
- a relation of direct opposition; "we thought Sue was older than Bill but just the reverse was true" (同)contrary, opposite
- the gears by which the motion of a machine can be reversed (同)reverse gear
- the side of a coin or medal that does not bear the principal design (同)verso
- (American football) a running play in which a back running in one direction hands the ball to a back running in the opposite direction
- an unfortunate happening that hinders or impedes; something that is thwarting or frustrating (同)reversal, setback, blow, black_eye
- a lapel on a womans garment; turned back to show the reverse side (同)revere
- turned inside out and resewn; "the reversed collar looked as good as new"
PrepTutorEJDIC
- (位置・方向・順序などにおいて)『逆の』;裏側の』 / 逆に動かす(動く),バックの / 〈U〉《the reverse》(…の)『反対』,『逆』《+『of』+『名』(『wh』‐節)》》 / 〈U〉《the reverse》(貨幣・メダルなどの)『裏側』,(一般に)(…の)裏面《+『of』+『名』》 / 〈C〉(運命などの)逆転,不運 / 〈U〉後退[装置],逆転[装置] / …‘を'『逆にする』,反対にする;…‘を'裏返す / 〈機械など〉‘を'逆転させる,逆方向に動かす / 〈判決など〉‘を'取り消す,破棄する / (ダンスで)逆に回る / 〈機械などが〉逆方向に動く
- （フランス語）(えりの)裏出し,折り返し
- 逆にした,反対の,裏返のし;取り消された
UpToDate Contents
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English Journal
- Inadvertent hyponatremia leading to acute cerebral edema and early evidence of herniation.
- Carpenter J1, Weinstein S, Myseros J, Vezina G, Bell MJ.Author information 1Department of Neurology, Children's Research Institute, Children's National Medical Center, Washington, DC, USA. jcarpent@cnmc.orgAbstractINTRODUCTION: For years, the maintenance of normal or supranormal serum sodium (Na) concentrations has been believed to be beneficial in brain injuries. Recently published guidelines for cerebral trauma recommend the use of hypertonic saline to achieve hypernatremia for the management of increased intracranial pressure and these standards are generally practiced across most diseases in neurocritical care including stroke, hemorrhage and tumors. Severe hyponatremia has long been known to be detrimental, but objective evidence for the harm of mild hyponatremia as a secondary injury has been scarce.
- Neurocritical care.Neurocrit Care.2007;6(3):195-9.
- INTRODUCTION: For years, the maintenance of normal or supranormal serum sodium (Na) concentrations has been believed to be beneficial in brain injuries. Recently published guidelines for cerebral trauma recommend the use of hypertonic saline to achieve hypernatremia for the management of increased i
- PMID 17572863
- Herniation secondary to critical postcraniotomy cerebrospinal fluid hypovolemia.
- Komotar RJ1, Mocco J, Ransom ER, Mack WJ, Zacharia BE, Wilson DA, Naidech AM, McKhann GM 2nd, Mayer SA, Fitzsimmons BF, Connolly ES Jr.Author information 1Department of Neurosurgery, Columbia University, New York, New York 10032, USA. rjk2103@columbia.eduAbstractOBJECTIVE: Cerebrospinal fluid hypovolemia resulting in postural headaches is a well-known clinical entity, but severe forms of cerebrospinal fluid hypovolemia with altered mental status and signs of transtentorial herniation ("brain sag") have rarely been reported. This article describes the clinical features of brain sag after craniotomy in an attempt to increase recognition of this syndrome.
- Neurosurgery.Neurosurgery.2005 Aug;57(2):286-92; discussion 286-92.
- OBJECTIVE: Cerebrospinal fluid hypovolemia resulting in postural headaches is a well-known clinical entity, but severe forms of cerebrospinal fluid hypovolemia with altered mental status and signs of transtentorial herniation ("brain sag") have rarely been reported. This article describes the clinic
- PMID 16094157
- Treatment of transtentorial herniation unresponsive to hyperventilation using hypertonic saline in dogs: effect on cerebral blood flow and metabolism.
- Qureshi AI1, Wilson DA, Traystman RJ.Author information 1Department of Neurology, The Johns Hopkins Medical Institutions, Baltimore, Maryland, USA.AbstractWe tested the hypothesis that transtentorial herniation (TTH) represents a state of cerebral ischemia that can be reversed by hypertonic saline. Because of the high mortality associated with TTH, new therapeutic strategies need to be developed for rapid and effective reversal of this process. We produced TTH (defined by acute dilatation of one or both pupils) by creating supratentorial intracerebral hemorrhage with autologous blood injection in seven mongrel dogs anesthetized using intravenous pentobarbital and fentanyl. We measured serial rCBF (regional cerebral blood flow) using radiolabeled microspheres in regions around and distant to the hematoma. Cerebral oxygen extraction and oxygen consumption (CMRO2) were measured by serial sampling of cerebral venous blood from the sagittal sinus. Mean arterial pressure (MAP) and intracranial pressure (ICP) were continuously monitored. TTH was successfully reversed over a mean period of 25.7 +/- 4.9 minutes after intravenous administration of 23.4% sodium chloride (1.4 mL/kg) in all animals. All measurements were recorded 15, 30, 60, and 90 minutes after administration of 23.4% sodium chloride. Compared to prehematoma ICP (14.1 +/- 1.7 mm Hg, mean +/- SE), elevation in ICP was observed during TTH (36.2 +/- 7.2 mm Hg) with no change in cerebral perfusion pressure (CPP) (80.4 +/- 4.7 vs. 76.7 +/- 10.1 mm Hg) because of concomitant elevation in mean arterial pressure. Compared to baseline values, there was a reduction in rCBF (mL/100 gm/min +/- SE) in brainstem (12.1 +/- 2.0 vs. 21.4 +/- 1.4), gray matter (18.2 +/- 2.1 vs. 31.4 +/- 1.8), and white matter (8.6 +/- 1.7 vs.18.7 +/- 0.9) in the hemisphere contralateral to the hematoma; and gray matter (12.9 +/- 2.9 vs. 27.9 +/- 2.2) and white matter (8.3 +/- 2.0 vs.19.9 +/- 1.0) in the ipsilateral hemisphere distant from the hematoma. Administration of 23.4% sodium chloride resulted in reduced ICP at 15 minutes (12.7 +/- 1.4) and 30 minutes (15.6 +/- 3.1) after administration. RCBF values were restored in all regions studied after administration of 23.4% sodium chloride with an increase in CMRO2 (1.8 +/- 0.4 vs. 3.9 +/- 0.7 mL O2 /100 gm/min). Compared with baseline values, rCBF increased in the ipsilateral (31.7 +/- 2.5 vs. 63.4 +/- 11.7) and contralateral (28.7 +/- 1.9 vs. 45.5 +/- 5.7) thalamus at 15 minutes after administration of 23.4% sodium chloride. TTH represented a state of ischemia in brainstem and supratentorial gray and white matter in the presence of adequate CPP, suggesting mechanical compression of vessels at the level of tentorium. Hypertonic saline reversed TTH, and restored both rCBF and CMRO2, although hyperemia was observed immediately after reversal of TTH. Administration of hypertonic saline may preserve neurologic function during the interim period between TTH and surgical intervention.
- Journal of neurosurgical anesthesiology.J Neurosurg Anesthesiol.2002 Jan;14(1):22-30.
- We tested the hypothesis that transtentorial herniation (TTH) represents a state of cerebral ischemia that can be reversed by hypertonic saline. Because of the high mortality associated with TTH, new therapeutic strategies need to be developed for rapid and effective reversal of this process. We pro
- PMID 11773819
Related Links
- The administration of 23.4 percent saline was associated with reversed transtentorial herniation (TTH) of the brain and reduced intracranial pressure, investigators at Johns Hopkins University reported in a retrospective study published ...
- 1. Crit Care Med. 2000 May;28(5):1556-64. Long-term outcome after medical reversal of transtentorial herniation in patients with supratentorial mass lesions. Qureshi AI, Geocadin RG, Suarez JI, Ulatowski JA. Division of ...
★リンクテーブル★
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- 英
- upward transtentorial herniation, ascending transtentorial herniation
- 同
- 逆行性テント切痕ヘルニア reversed transtentorial herniation
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- 英
- reversed transtentorial herniation
- 関
- 上行性テント切痕ヘルニア
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- 関
- adversely、backward、converse、conversely、inverse、inversely、opposite、oppositely、retro、reversal
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テント切痕ヘルニア