- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03691233
Diagnosis and Management of Neonatal Shock
Clinical Audit on Diagnosis and Management of Neonatal Shock
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Introduction Shock is defined as a state of impaired cellular energy (ATP) synthesis when tissue oxygen delivery no longer satisfies tissue oxygen demand (Kleinman etal., 2012)
Shock is an independent predictor of early neonatal mortality and more often a problem in preterm infants than in term infants, even late preterm infants are at much higher risk (Femitha and Bhat, 2012)
In the first phase of shock, perfusion and oxygen delivery is maintained towards the so-called vital organs (heart, brain, and adrenal glands) by selective regional vasodilation in combination with vasoconstriction to non-essential tissues, such as muscles, skin, kidneys, and the splanchnic tissues. This is the compensated stage of shock. As the product of cardiac output (which falls) and systemic vascular resistance (which increases), blood pressure actually remains in the normal range in a compensated shock. When this redistribution fails, perfusion and oxygenation of the vital organs will become impaired, resulting in multi-organ dysfunction. In this phase of uncompensated shock, systemic hypotension might be expected (Willem etal., 2018)
Echocardiography is one of the emerging technologies that can be used to measure cardiac output in critically ill newborn infants, especially since the clinical estimation of cardiac output is rather inaccurate (de Boode, 2010)
Diagnosis of Shock
The clinical diagnosis of shock in the early compensated phase often depends on assessment of peripheral perfusion,pulse volume, heart rate changes, metabolic acidosis and urine output.
Ideally, shock should be diagnosed at this stage. In the later uncompensated phase, blood pressure (BP) becomes a key parameter for monitoring and for titrating inotropes and fluids Willem etal.,2018). )
Clinicians rely on BP measurements to diagnose hypotension and to titrate therapy. Hypotension in preterm infants has been associated with an increased risk of intraventricular hemorrhage (Vishnu and Plakkal, 2015)
Treatment of Shock:
Volume Expanders
It is common practice to give one or two normal saline boluses when neonates present in shock, before assessing the need for inotropes.
Apart from saline, albumin or other colloids are also sometimes used for volume expansion.
- Drug Therapy of Neonatal Shock
Dopamine is an endogenous catecholamine and has been shown to raise the blood pressure in hypotensive infants better than either albumin or dobutamine (Osborn and Evan, 2005) Cardiac arrhythmias And extravasation injury are potential adverse effects (Osborn etal., 2004)
Dobutamine, unlike dopamine, does not have endocrine effects and does not depend on the release of endogenous catecholamines for effect. It is predominantly inotropic, with some vasodilator effects, Indeed, there is some evidence that dobutamine is better than dopamine at increasing and maintaining systemic blood flow in preterm infants with low systemicblood flow (Subhedar and Shaw, 2003).
Epinephrine is usually used when shock is refractory to dopamine and dobutamine, although some use it as a first line drug, especially when septic shock is suspected (Maria etal., 2004)
Norepinephrine use in neonates is uncommon due to its vasoconstrictive effects, resulting in organ hypoperfusion and increased myocardial work (Pierre etal., 2008)
Hydrocortisone is most commonly used in catecholamine resistant shock in treatment of hypotension in very low birth weight infants (vishnu and plakkal, 2015). Hyperglycemia can be a troublesome short-term side effect (Ng etal., 2006)
Vasopressin is a potent vasoconstrictor and useful in vasodilatory shock (Brierley etal., 2009).
Supportive Treatment:
Pulmonary Support. Most neonates with shock requiring inotropic support will also require mechanical ventilation.(especially <28 wk) (Saugstad and Aune, 2014].
Antibiotics.
- Empirical antibiotics should be chosen based on prevailing infection patterns in each NICU (Adrienne etal., 2003)
Newer Developments in the Management of Neonatal Shock
Milrinone and amrinone are phosphodiesterase III inhibitors. they are vasodilators, hypotension can result. However, they are excellent inotropes and can also reduce pulmonary pressures (Nick etal., 2009)
Levosimendan is a newer drug which causes vasodilatation and improves calcium coupling to troponin, resulting in an increase in myocardial contractility (Papoff etal., 2012)
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Contact
- Name: Nagwa Ali Mohamed, professer
- Phone Number: 01096260950
- Email: Namma65@yahoo.com
Study Contact Backup
- Name: Safwat M Abd Al-ziz, lecture
- Phone Number: 01003918080
- Email: Safwatabdelaziz371@yahoo.com
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- All neonates (preterm or full term) who are developing shock
Exclusion Criteria:
- Neonates with multiple congenital anomalies
Study Plan
How is the study designed?
Design Details
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Evaluation of healthcare providers by evaluating how much diagnosis and management of neonatal shock adherent to Assuit University Children Hospital guidelines.
Time Frame: Baseline
|
analysis of results and compare them to guidelines
|
Baseline
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Safwat M Abd Al-ziz, lecture, Safwatabdelaziz371@yahoo.com
Publications and helpful links
General Publications
- Brierley J, Carcillo JA, Choong K, Cornell T, Decaen A, Deymann A, Doctor A, Davis A, Duff J, Dugas MA, Duncan A, Evans B, Feldman J, Felmet K, Fisher G, Frankel L, Jeffries H, Greenwald B, Gutierrez J, Hall M, Han YY, Hanson J, Hazelzet J, Hernan L, Kiff J, Kissoon N, Kon A, Irazuzta J, Lin J, Lorts A, Mariscalco M, Mehta R, Nadel S, Nguyen T, Nicholson C, Peters M, Okhuysen-Cawley R, Poulton T, Relves M, Rodriguez A, Rozenfeld R, Schnitzler E, Shanley T, Kache S, Skippen P, Torres A, von Dessauer B, Weingarten J, Yeh T, Zaritsky A, Stojadinovic B, Zimmerman J, Zuckerberg A. Clinical practice parameters for hemodynamic support of pediatric and neonatal septic shock: 2007 update from the American College of Critical Care Medicine. Crit Care Med. 2009 Feb;37(2):666-88. doi: 10.1097/CCM.0b013e31819323c6. Erratum In: Crit Care Med. 2009 Apr;37(4):1536. Skache, Sara [corrected to Kache, Saraswati]; Irazusta, Jose [corrected to Irazuzta, Jose].
- Bhat BV, Plakkal N. Management of Shock in Neonates. Indian J Pediatr. 2015 Oct;82(10):923-9. doi: 10.1007/s12098-015-1758-7. Epub 2015 May 21.
- de Boode WP, van der Lee R, Horsberg Eriksen B, Nestaas E, Dempsey E, Singh Y, Austin T, El-Khuffash A; European Special Interest Group 'Neonatologist Performed Echocardiography' (NPE). The role of Neonatologist Performed Echocardiography in the assessment and management of neonatal shock. Pediatr Res. 2018 Jul;84(Suppl 1):57-67. doi: 10.1038/s41390-018-0081-1.
- Osborn DA, Evans N. Early volume expansion versus inotrope for prevention of morbidity and mortality in very preterm infants. Cochrane Database Syst Rev. 2001;2001(2):CD002056. doi: 10.1002/14651858.CD002056.
- Ng PC, Lee CH, Bnur FL, Chan IH, Lee AW, Wong E, Chan HB, Lam CW, Lee BS, Fok TF. A double-blind, randomized, controlled study of a "stress dose" of hydrocortisone for rescue treatment of refractory hypotension in preterm infants. Pediatrics. 2006 Feb;117(2):367-75. doi: 10.1542/peds.2005-0869.
- Femitha P, Bhat BV. Early neonatal outcome in late preterms. Indian J Pediatr. 2012 Aug;79(8):1019-24. doi: 10.1007/s12098-011-0620-9. Epub 2011 Dec 10.
- Saugstad OD, Aune D. Optimal oxygenation of extremely low birth weight infants: a meta-analysis and systematic review of the oxygen saturation target studies. Neonatology. 2014;105(1):55-63. doi: 10.1159/000356561. Epub 2013 Nov 15.
- Osborn DA, Evans N. Early volume expansion for prevention of morbidity and mortality in very preterm infants. Cochrane Database Syst Rev. 2004;2004(2):CD002055. doi: 10.1002/14651858.CD002055.pub2.
- Subhedar NV, Shaw NJ. Dopamine versus dobutamine for hypotensive preterm infants. Cochrane Database Syst Rev. 2003;(3):CD001242. doi: 10.1002/14651858.CD001242.
Study record dates
Study Major Dates
Study Start (Anticipated)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- neonatal shock
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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