Background
The Institute of Medicine calls for the use of clinical guidelines and practice parameters to promote “best practices” and to improve patient outcomes.
Objective
2007 update of the 2002 American College of Critical Care Medicine Clinical Guidelines for Hemodynamic Support of Neonates and Children with Septic Shock.
Participants
Society of Critical Care Medicine members with special interest in neonatal and pediatric septic shock were identified from general solicitation at the Society of Critical Care Medicine Educational and Scientific Symposia (2001–2006).
Methods
The Pubmed/MEDLINE literature database (1966–2006) was searched using the keywords and phrases: sepsis, septicemia, septic shock, endotoxemia, persistent pulmonary hypertension, nitric oxide, extracorporeal membrane oxygenation (ECMO), and American College of Critical Care Medicine guidelines. Best practice centers that reported best outcomes were identified and their practices examined as models of care. Using a modified Delphi method, 30 experts graded new literature. Over 30 additional experts then reviewed the updated recommendations. The document was subsequently modified until there was greater than 90% expert consensus.
Results
The 2002 guidelines were widely disseminated, translated into Spanish and Portuguese, and incorporated into Society of Critical Care Medicine and AHA sanctioned recommendations. Centers that implemented the 2002 guidelines reported best practice outcomes (hospital mortality 1%–3% in previously healthy, and 7%– 10% in chronically ill children). Early use of 2002 guidelines was associated with improved outcome in the community hospital emergency department (number needed to treat = 3.3) and tertiary pediatric intensive care setting (number needed to treat = 3.6); every hour that went by without guideline adherence was associated with a 1.4-fold increased mortality risk. The updated 2007 guidelines continue to recognize an increased likelihood that children with septic shock, compared with adults, require 1) proportionally larger quantities of fluid, 2) inotrope and vasodilator therapies, 3) hydrocortisone for absolute adrenal insufficiency, and 4) ECMO for refractory shock. The major new recommendation in the 2007 update is earlier use of inotrope support through peripheral access until central access is attained.
Conclusion
The 2007 update continues to emphasize early use of age-specific therapies to attain time-sensitive goals, specifically recommending 1) first hour fluid resuscitation and inotrope therapy directed to goals of threshold heart rates, normal blood pressure, and capillary refill ≤2 secs, and 2) subsequent intensive care unit hemodynamic support directed to goals of central venous oxygen saturation >70% and cardiac index 3.3–6.0 L/min/m2.
The major new recommendation in the 2014 update is consideration of institution-specific use of 1) a "recognition bundle" containing a trigger tool for rapid identification of patients with septic shock, 2) a "resuscitation and stabilization bundle" to help adherence to best practice principles, and 3) a "performance bundle" to identify and overcome perceived barriers to the pursuit of best practice principles.
Background: The American College of Critical Care Medicine (ACCM) provided 2002 and 2007 guidelines for hemodynamic support of newborn and pediatric septic shock.
Classical neurotransmitters such as acetyl- conting at 3 pM degenerate primers (5'-GCXYTXYTX-YTXGAXAAXATGYT-3' and 5'-ZTCXGCPATXGCZT-AXAC-3', where X = A, C, G, and T; Y = C and T; Z = A and G; and P = A, G, and T) and Taq polymerase under the following conditions: 4 min at 94°C and then 35 cycles of 1 min at-94C, 2 min at 55TC, and 3 min at 72TC. The products were separated by electrophoresis, and a 1.1-kb fragment was subcloned and sequenced on both strands by the method of chain termination (9). For PCR amplification of rat sequences, 1 pig of poly(A)+ rat spinal cord RNA was reversetranscribed and amplified as above by using the degenerate primers 5'-GCXTTYYTXGAZCCXACXAT-3' and 5'-AY-XAZXGCPATXCCZAAZCA-3'. This reaction produced a 260-bp fragment that was then excised from a low-melting temperature agarose gel, subcloned, and sequenced.Northorn Blot Analysis. Poly(A)+ RNA was separated by electrophoresis through formaldehyde-agarose; blotted to nitrocellulose; hybridized overnight at 420C in 50%9 formamide containing 5x SSPE (0.18 M NaCl/10 mM phosphate,
Membrane depolarization leads to changes in gene expression that modulate neuronal plasticity. Using representational difference analysis, we have identified a previously undiscovered cDNA, KID-1 (kinase induced by depolarization), that is induced by membrane depolarization or forskolin, but not by neurotrophins or growth factors, in PC12 pheochromocytoma cells. KID-1 is an immediate early gene that shares a high degree of sequence similarity with the family of PIM-1 serine/threonine protein kinases. Recombinant KID-1 fusion protein is able to catalyze both histone phosphorylation and autophosphorylation. KID-1 mRNA is present in a number of unstimulated tissues, including brain. In response to kainic acid and electroconvulsive shock-induced seizures, KID-1 is induced in specific regions of the hippocampus and cortex.
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