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Rangwala BS, Noor T, Shakil A, Mustafa MS, Shafique MA, Manan S, Qamber A, Zaidi SDEZ, Obaid MA, Munawar I, Rizvi S, Rangwala HS. Comparing equiosmolar hypertonic saline and mannitol for achieving brain relaxation in elective craniotomy patients: A systematic review and meta-analysis. Surg Neurol Int 2024; 15:116. [PMID: 38741989 PMCID: PMC11090577 DOI: 10.25259/sni_994_2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Accepted: 02/19/2024] [Indexed: 05/16/2024] Open
Abstract
Background This study strives to provide a current and thorough assessment of the comparative efficacy and safety between equiosmolar quantities of hypertonic saline (HS) and mannitol in facilitating brain relaxation for patients undergoing elective craniotomies. Methods This systematic review and meta-analysis, following preferred reporting items for systematic reviews and meta-analyses guidelines, compared the efficacy and safety of equiosmolar concentrations of mannitol and HS in elective craniotomies. PubMed, Scopus, Cochrane Library, ScienceDirect, and Proquest databases were searched using keywords related to mannitol, HS, and craniotomy. Results were analyzed through a random-effects model using Mantel-Haenszel risk ratio and standard mean difference. P < 0.05 was considered significant. Results Thirteen randomized controlled trials encompassing 965 patients (516 in the HS group and 448 in the mannitol group) were analyzed. The quality of studies was moderate-to-high, and no significant publication bias was observed. The primary outcome, brain relaxation, favored HS over mannitol without significant heterogeneity. Mannitol was associated with increased urine output compared to HS, irrespective of dose, with high heterogeneity. HS was linked to significantly reduced fluid input, confirmed by subgroup analysis with lower heterogeneity. No significant difference was found in serum osmolality between the two agents. Serum sodium (Na+) levels favored HS, whereas arterial blood Na+ levels also favored HS despite considerable heterogeneity. Maximum mean arterial pressure was higher with HS, but it displayed significant heterogeneity. Maximum central venous pressure showed no significant difference between the two agents, with moderate heterogeneity. Conclusion HS appears more effective than mannitol in achieving brain relaxation, and it may offer advantages in fluid management and Na+ balance. Clinicians should consider these findings when selecting hyperosmotic agents for neurosurgical procedures. Further research is needed to address heterogeneity in certain outcomes and guide clinical practice.
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Affiliation(s)
| | - Tooba Noor
- Department of Neurosurgery, Jinnah Sindh Medical University, Karachi, Sindh, Pakistan
| | - Areej Shakil
- Department of Neurosurgery, Jinnah Sindh Medical University, Karachi, Sindh, Pakistan
| | | | | | - Sadia Manan
- Department of Neurosurgery, Ziauddin University, Karachi, Sindh, Pakistan
| | - Amna Qamber
- Department of Neurosurgery, Jinnah Sindh Medical University, Karachi, Sindh, Pakistan
| | | | - Muhammad Adil Obaid
- Department of Neurosurgery, Jinnah Sindh Medical University, Karachi, Sindh, Pakistan
| | - Irja Munawar
- Department of Neurosurgery, Jinnah Sindh Medical University, Karachi, Sindh, Pakistan
| | - Sabah Rizvi
- Department of Neurosurgery, Liaquat National Hospital and Medical College, Karachi, Sindh, Pakistan
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Marchesini N, Fernández Londoño LL, Boaro A, Kuhn I, Griswold D, Sala F, Rubiano AM. Hyperosmolar therapies for neurological deterioration in mild and moderate traumatic brain injury: A scoping review. Brain Inj 2023:1-9. [PMID: 36929819 DOI: 10.1080/02699052.2023.2191010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
Abstract
OBJECTIVE To explore the available evidence on hyperosmolar therapies(HT) in mild and moderate traumatic brain injury(TBI) and to evaluate the effects on outcomes.A scoping review was conducted according to the Joanna Briggs Institute methodology. Inclusion criteria: (a)randomized controlled trials(RCTs), prospective and retrospective cohort studies and case-control studies; (b)all-ages mild and moderate TBIs; (c)HT administration; (d)functional outcomes recorded; (e)comparator group. RESULTS From 4424 records, only 3 respected the inclusion criteria. In a retrospective cohort study of adult moderate TBIs, the Glasgow Coma Scale(GCS) remained the same at 48 hours in those treated with hypertonic saline(HTS) while it worsened in the non-treated. A trend toward increased pulmonary infections and length of stay was found. In an RCT of adult severe and moderate TBIs, moderate TBIs treated with HTS showed a trend toward better secondary outcomes than standard care alone, with similar odds of adverse effects. An RCT enrolling children with mild TBI found a significant improvement in concussive pain immediately after HTS administration and after 2-3 days. No adverse events occurred. CONCLUSIONS A gap in the literature about HTs' role in mild and moderate TBI was found. Some benefits may exist with limited side effects and further studies are desirable.
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Affiliation(s)
| | | | - Alessandro Boaro
- Department of Neurosciences, Biomedicine and Movement, Section of Neurosurgery, University of Verona, Verona, Italy.,Clinical and Translational Science Institute, University of Utah, Logan, Utah, USA
| | - Isla Kuhn
- University of Cambridge Medical Library, Cambridge, UK
| | - Dylan Griswold
- NIHR Group on Neurotrauma, University of Cambridge, Cambridge, UK.,Stanford School of Medicine, Stanford, California, USA
| | - Francesco Sala
- Department of Neurosciences, Biomedicine and Movement, Section of Neurosurgery, University of Verona, Verona, Italy
| | - Andrés M Rubiano
- Neuroscience Institute, Universidad El Bosque, Bogotá, Colombia.,NIHR Group on Neurotrauma, University of Cambridge, Cambridge, UK.,Meditech Foudation, Cali, Colombia
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3
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Michel C, Warming S, Neto AS, Abeygunawardana V, Fisher C, Kishore K, Warrillow S, Bellomo R. Early and prolonged continuous hypertonic saline infusion in patients with acute liver failure. J Crit Care 2023; 76:154289. [PMID: 36933387 DOI: 10.1016/j.jcrc.2023.154289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 02/15/2023] [Accepted: 03/09/2023] [Indexed: 03/18/2023]
Abstract
PURPOSE To study patient characteristics, physiological changes, and outcomes associated with prolonged continuous hypertonic saline (HTS) infusion in acute liver failure (ALF). MATERIALS AND METHODS Retrospective observational cohort study of adult patients with ALF. We collected clinical, biochemical, and physiological data six hourly for the first week, daily until day 30 or hospital discharge, and weekly, when documented, until day 180. RESULTS Of 127 patients, 85 received continuous HTS. Compared with non-HTS patients they were more likely to receive continuous renal replacement therapy (CRRT) (p < 0.001) and mechanical ventilation (p < 0.001). Median HTS duration was 150 (Interquartile range (IQR): 84-168) hours, delivering a median 2244 (IQR: 979-4610) mmol sodium load. Median peak sodium concentration was 149 mmol/L vs 138 mmol/L in non-HTS patients (p < 0.001). The median rate of sodium increase with infusion was 0.1 mmol/L/h and median rate of decrease during weaning was 0.1 mmol/L every 6 h. Median lowest pH value was 7.29 vs. 7.35 in non-HTS patients. Survival of HTS patients was 72.9% overall and 72.2% without transplantation. CONCLUSIONS In ALF patients, the prolonged administration of HTS infusion was not associated with severe hypernatremia or rapid shifts in serum sodium upon commencement, delivery, or weaning.
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Affiliation(s)
- Claire Michel
- Department of Intensive Care, Royal Melbourne Hospital, Melbourne, Australia
| | - Scott Warming
- Department of Intensive Care, Austin Hospital, Melbourne, Australia
| | - Ary Serpa Neto
- Australian and New Zealand Intensive Care Research Centre, Monash University, Melbourne, Australia; Data Analytics Research and Evaluation Centre, Austin Hospital, Melbourne, Australia
| | | | - Caleb Fisher
- Department of Intensive Care, Austin Hospital, Melbourne, Australia
| | - Kartik Kishore
- Data Analytics Research and Evaluation Centre, Austin Hospital, Melbourne, Australia
| | - Stephen Warrillow
- Department of Intensive Care, Royal Melbourne Hospital, Melbourne, Australia; Department of Intensive Care, Austin Hospital, Melbourne, Australia
| | - Rinaldo Bellomo
- Department of Intensive Care, Royal Melbourne Hospital, Melbourne, Australia; Department of Intensive Care, Austin Hospital, Melbourne, Australia; Australian and New Zealand Intensive Care Research Centre, Monash University, Melbourne, Australia; Data Analytics Research and Evaluation Centre, Austin Hospital, Melbourne, Australia; Department of Critical Care, University of Melbourne, Melbourne, Australia.
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4
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Chen X, Józsa TI, Payne SJ. Computational modelling of cerebral oedema and osmotherapy following ischaemic stroke. Comput Biol Med 2022; 151:106226. [PMID: 36343409 DOI: 10.1016/j.compbiomed.2022.106226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Revised: 10/11/2022] [Accepted: 10/15/2022] [Indexed: 12/27/2022]
Abstract
In ischaemic stroke, a large reduction in blood supply can lead to the breakdown of the blood brain barrier and to cerebral oedema after reperfusion therapy. Cerebral oedema is marked by elevated intracranial pressure (ICP), tissue herniation and reduced cerebral perfusion pressure. In clinical settings, osmotherapy has been a common practice to decrease ICP. However, there are no guidelines on the choice of administration protocol parameters such as injection doses, infusion time and retention time. Most importantly, the effects of osmotherapy have been proven controversial since the infusion of osmotic agents can lead to a range of side effects. Here, a new Finite Element model of brain oedema and osmotherapy is thus proposed to predict treatment outcome. The model consists of three components that simulate blood perfusion, oedema, and osmotherapy, respectively. In the perfusion model (comprising arteriolar, venous, and capillary blood compartments), an anatomically accurate brain geometry is used to identify regions with a perfusion reduction and potential oedema occurrence in stroke. The oedema model is then used to predict ICP using a porous circulation model with four fluid compartments (arteriolar blood, venular blood, capillary blood, and interstitial fluid). In the osmotherapy model, the osmotic pressure is varied and the changes in ICP during different osmotherapy episodes are quantified. The simulation results of the model show excellent agreement with available clinical data and the model is employed to study osmotherapy under various parameters. Consequently, it is demonstrated how therapeutic strategies can be proposed for patients with different pathological parameters based on simulations.
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Affiliation(s)
- Xi Chen
- Institute of Biomedical Engineering, Department of Engineering Science, University of Oxford, Parks Road, Oxford, OX1 3PJ, United Kingdom
| | - Tamás I Józsa
- Institute of Biomedical Engineering, Department of Engineering Science, University of Oxford, Parks Road, Oxford, OX1 3PJ, United Kingdom; Department of Radiology and Nuclear Medicine, Amsterdam University Medical Center, location VUmc, Amsterdam Neuroscience, De Boelelaan 1117, 1118, 1081 HV Amsterdam, the Netherlands
| | - Stephen J Payne
- Institute of Biomedical Engineering, Department of Engineering Science, University of Oxford, Parks Road, Oxford, OX1 3PJ, United Kingdom; Institute of Applied Mechanics, National Taiwan University, Roosevelt Road, Da'an Dist., Taipei City, 106, Taiwan.
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5
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Gharizadeh N, Ghojazadeh M, Naseri A, Dolati S, Tarighat F, Soleimanpour H. Hypertonic saline for traumatic brain injury: a systematic review and meta-analysis. Eur J Med Res 2022; 27:254. [PMID: 36404350 PMCID: PMC9677698 DOI: 10.1186/s40001-022-00897-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Accepted: 11/11/2022] [Indexed: 11/21/2022] Open
Abstract
BACKGROUND Traumatic brain injury (TBI) causes mortality and long-term disability among young adults and imposes a notable cost on the healthcare system. In addition to the first physical hit, secondary injury, which is associated with increased intracranial pressure (ICP), is defined as biochemical, cellular, and physiological changes after the physical injury. Mannitol and Hypertonic saline (HTS) are the treatment bases for elevated ICP in TBI. This systematic review and meta-analysis evaluates the effectiveness of HTS in the management of patients with TBI. METHODS This study was conducted following the Joanna Briggs Institute (JBI) methods and PRISMA statement. A systematic search was performed through six databases in February 2022, to find studies that evaluated the effects of HTS, on increased ICP. Meta-analysis was performed using comprehensive meta-analysis (CMA). RESULTS Out of 1321 results, 8 studies were included in the systematic review, and 3 of them were included in the quantitative synthesis. The results of the meta-analysis reached a 35.9% (95% CI 15.0-56.9) reduction in ICP in TBI patients receiving HTS, with no significant risk of publication bias (t-value = 0.38, df = 2, p-value = 0.73). The most common source of bias in our included studies was the transparency of blinding methods for both patients and outcome assessors. CONCLUSION HTS can significantly reduce the ICP, which may prevent secondary injury. Also, based on the available evidence, HTS has relatively similar efficacy to Mannitol, which is considered the gold standard therapy for TBI, in boosting patients' neurological condition and reducing mortality rates.
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Affiliation(s)
- Nafiseh Gharizadeh
- grid.412888.f0000 0001 2174 8913Research Center for Evidence-Based Medicine, Iranian EBM Centre: A Joanna Briggs Institute (JBI) Center of Excellence, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Morteza Ghojazadeh
- grid.412888.f0000 0001 2174 8913Research Center for Evidence-Based Medicine, Iranian EBM Centre: A Joanna Briggs Institute (JBI) Center of Excellence, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amirreza Naseri
- grid.412888.f0000 0001 2174 8913Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sanam Dolati
- grid.412888.f0000 0001 2174 8913Physical Medicine and Rehabilitation Research Center, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Faezeh Tarighat
- grid.412888.f0000 0001 2174 8913Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hassan Soleimanpour
- grid.412888.f0000 0001 2174 8913Emergency and Trauma Care Research Center, Tabriz University of Medical Sciences, Golgasht Street, Tabriz, Iran
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Inborr P, Harju M, Kivelä TT. Intravenous hypertonic saline to reduce intraocular pressure: the effect of splitting the bolus. Acta Ophthalmol 2022; 100:e1606-e1610. [PMID: 35349214 DOI: 10.1111/aos.15139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 02/22/2022] [Accepted: 03/12/2022] [Indexed: 11/30/2022]
Abstract
PURPOSE To compare intraocular pressure (IOP) and pain after a single versus split bolus of intravenous hypertonic saline (IVHTS). METHODS In a prospective, randomized, interventional trial, we enrolled patients with an IOP of 22-34 mmHg. Twenty patients in Group 1 received IVHTS as a single bolus of 1 mmol/kg 23.4% sodium chloride, and 13 patients in Group 2 received two boli of 0.5 mmol/kg separated by 10 min. They graded pain at the infusion site. We measured IOP, heart rate and blood pressure before and 10 and 20 min after IVHTS. RESULTS Eighteen patients (90%) in Group 1 felt pain (median, 6.5; range, 0-10). In Group 2, 11 patients (85%) felt pain after the first bolus (median, 6.0; range, 0-8) and 12 (92%) after the second one (median, 8; range, 0-10). We found no difference in pain grade between the groups after their first bolus (p = 0.33) or between the first bolus of Group 1 and the second bolus of Group 2 (p = 0.47). The median IOP reduction in Group 1 was 6.5 mmHg (range, 2-16) at 10 min and 7.0 mmHg (range, 4-16) at 20 min (p < 0.001 for both). In Group 2, the corresponding reductions after the second bolus were 9.0 mmHg (range, 4-10; p = 0.002) and 8.0 mmHg (range, 6-11; p = 0.002). The IOP reduction at 10 and 20 min was comparable between groups (p = 0.094 and p = 0.41, respectively). CONCLUSION Splitting the bolus did not reduce pain associated with IVHTS. Single bolus is consequently recommended.
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Affiliation(s)
- Pia Inborr
- Department of Ophthalmology University of Helsinki and Helsinki University Hospital Helsinki Finland
| | - Mika Harju
- Department of Ophthalmology University of Helsinki and Helsinki University Hospital Helsinki Finland
| | - Tero T. Kivelä
- Department of Ophthalmology University of Helsinki and Helsinki University Hospital Helsinki Finland
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Dabrowski W, Siwicka-Gieroba D, Robba C, Bielacz M, Sołek-Pastuszka J, Kotfis K, Bohatyrewicz R, Jaroszyński A, Malbrain MLNG, Badenes R. Potentially Detrimental Effects of Hyperosmolality in Patients Treated for Traumatic Brain Injury. J Clin Med 2021; 10:jcm10184141. [PMID: 34575255 PMCID: PMC8467376 DOI: 10.3390/jcm10184141] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 09/03/2021] [Accepted: 09/07/2021] [Indexed: 02/06/2023] Open
Abstract
Hyperosmotic therapy is commonly used to treat intracranial hypertension in traumatic brain injury patients. Unfortunately, hyperosmolality also affects other organs. An increase in plasma osmolality may impair kidney, cardiac, and immune function, and increase blood–brain barrier permeability. These effects are related not only to the type of hyperosmotic agents, but also to the level of hyperosmolality. The commonly recommended osmolality of 320 mOsm/kg H2O seems to be the maximum level, although an increase in plasma osmolality above 310 mOsm/kg H2O may already induce cardiac and immune system disorders. The present review focuses on the adverse effects of hyperosmolality on the function of various organs.
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Affiliation(s)
- Wojciech Dabrowski
- Department of Anaesthesiology and Intensive Care, Medical University of Lublin, 20-954 Lublin, Poland;
- Correspondence: (W.D.); (D.S.-G.)
| | - Dorota Siwicka-Gieroba
- Department of Anaesthesiology and Intensive Care, Medical University of Lublin, 20-954 Lublin, Poland;
- Correspondence: (W.D.); (D.S.-G.)
| | - Chiara Robba
- Department of Anaesthesia and Intensive Care, Policlinico San Martino, 16100 Genova, Italy;
| | - Magdalena Bielacz
- Institute of Tourism and Recreation, State Vocational College of Szymon Szymonowicz, 22-400 Zamosc, Poland;
| | - Joanna Sołek-Pastuszka
- Department of Anaesthesiology and Intensive Care, Pomeranian Medical University, 71-252 Szczecin, Poland; (J.S.-P.); (R.B.)
| | - Katarzyna Kotfis
- Department of Anaesthesiology, Intensive Therapy and Acute Intoxications, Pomeranian Medical University, 70-111 Szczecin, Poland;
| | - Romuald Bohatyrewicz
- Department of Anaesthesiology and Intensive Care, Pomeranian Medical University, 71-252 Szczecin, Poland; (J.S.-P.); (R.B.)
| | - Andrzej Jaroszyński
- Department of Nephrology, Institute of Medical Science, Jan Kochanowski University of Kielce, 25-736 Kielce, Poland;
| | - Manu L. N. G. Malbrain
- Department of Anaesthesiology and Intensive Care, Medical University of Lublin, 20-954 Lublin, Poland;
- International Fluid Academy, Dreef 3, 3360 Lovenjoel, Belgium
- Medical Department, AZ Jan Palfjin Hospital, Watersportlaan 5, 9000 Gent, Belgium
| | - Rafael Badenes
- Department of Anaesthesiology and Intensive Care, Hospital Clìnico Universitario de Valencia, University of Valencia, 46010 Valencia, Spain;
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Ter Avest E, Taylor S, Wilson M, Lyon RL. Prehospital clinical signs are a poor predictor of raised intracranial pressure following traumatic brain injury. Emerg Med J 2020; 38:21-26. [PMID: 32948620 PMCID: PMC7788182 DOI: 10.1136/emermed-2020-209635] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 08/16/2020] [Accepted: 08/23/2020] [Indexed: 11/17/2022]
Abstract
Background For the prehospital diagnosis of raised intracranial pressure (ICP), clinicians are reliant on clinical signs such as the Glasgow Coma Score (GCS), pupillary response and/or Cushing’s triad (hypertension, bradycardia and an irregular breathing pattern). This study aimed to explore the diagnostic accuracy of these signs as indicators of a raised ICP. Methods We performed a retrospective cohort study of adult patients attended by a Helicopter Emergency Medical Service (Air Ambulance Kent, Surrey Sussex), who had sustained a traumatic brain injury (TBI), requiring prehospital anaesthesia between 1 January 2016 and 1 January 2018. We established optimal cut-off values for clinical signs to identify patients with a raised ICP and investigated diagnostic accuracy for combinations of these values. Results Outcome data for 249 patients with TBI were available, of which 87 (35%) had a raised ICP. Optimal cut-off points for systolic blood pressure (SBP), heart rate (HR) and pupil diameter to discriminate patients with a raised ICP were, respectively, >160 mm Hg,<60 bpm and >5 mm. Cushing criteria (SBP >160 mm Hg and HR <60 bpm) and pupillary response and size were complimentary in their ability to detect patients with a raised ICP. The presence of a fixed blown pupil or a Cushing’s response had a specificity of 93.2 (88.2–96.6)%, and a positive likelihood ratio (LR+) of 5.4 (2.9–10.2), whereas sensitivity and LR− were only 36.8 (26.7–47.8)% and 0.7 (0.6–0.8), respectively, (Area Under the Curve (AUC) 0.65 (0.57–0.73)). Sensitivity analysis revealed that optimal cut-off values and resultant accuracy were dependent on injury pattern. Conclusion Traditional clinical signs of raised ICP may under triage patients to prehospital treatment with hyperosmolar drugs. Further research should identify more accurate clinical signs or alternative non-invasive diagnostic aids in the prehospital environment.
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Affiliation(s)
- Ewoud Ter Avest
- Air Ambulance Kent Surrey and Sussex, Redhill, Surrey, UK .,Universitair Medisch Centrum Groningen, Department of Emergency Medicine, University of Groningen, Groningen, The Netherlands
| | - Sam Taylor
- Air Ambulance Kent Surrey and Sussex, Redhill, Surrey, UK
| | - Mark Wilson
- Air Ambulance Kent Surrey and Sussex, Redhill, Surrey, UK.,Neurotrauma Centre, Imperial College London, London, UK
| | - Richard L Lyon
- Air Ambulance Kent Surrey and Sussex, Redhill, Surrey, UK.,School of Health Sciences, University of Surrey, Guildford, Surrey, UK
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Osmotherapy for malignant cerebral edema in a phase 2 prospective, double blind, randomized, placebo-controlled study of IV glibenclamide. J Stroke Cerebrovasc Dis 2020; 29:104916. [PMID: 32414580 DOI: 10.1016/j.jstrokecerebrovasdis.2020.104916] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 04/21/2020] [Accepted: 04/24/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND/OBJECTIVE Malignant edema can be a life-threatening complication of large hemispheric infarction (LHI), and is often treated with osmotherapy. In this exploratory analysis of data from the GAMES-RP study, we hypothesized that patients receiving osmotherapy had symptomatic cerebral edema, and that treatment with intravenous (IV) glibenclamide would modify osmotherapy use as compared with placebo. METHODS GAMES-RP was a phase 2 multi-center prospective, double blind, randomized, placebo-controlled study in LHI. Patients were randomized to IV glibenclamide (e.g. IV glyburide) or placebo. Cerebral edema therapies included osmotherapy and/or decompressive craniectomy at the discretion of the treating team. Total bolus osmotherapy dosing was quantified by "osmolar load". Radiographic edema was defined by dichotomizing midline shift at 24 h. Clinical changes were defined as any increase in NIHSS1a. RESULTS Osmotherapy was administered to 40 of the 77 patients at a median of 39 [27-55] h after stroke onset. The median baseline DWI lesion volume was significantly larger in the osmotherapy treated group (167 [146-211] mL v. 139 [112-170] mL; P=0.046). Adjudicated malignant edema (75% v. 16%; P<0.001) was more common in the osmotherapy treated group. There were no differences in the proportion of patients receiving osmotherapy or the median total osmolar load between treatment arms. Most patients (76%) had a decrease in consciousness (NIHSS item 1A ≥1) on the day they began receiving osmotherapy. CONCLUSIONS In the GAMES-RP trial, osmolar therapies were most often administered in response to clinical symptoms of decreased consciousness. However, the optimal timing of administration and impact on outcome after LHI have yet to be defined.
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10
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Mousa SA, Ramadan TH, Kassem M. Brain relaxation and electrolyte balance during resection of posterior fossa tumors under sitting position: Mannitol versus placebo. EGYPTIAN JOURNAL OF ANAESTHESIA 2019. [DOI: 10.1016/j.egja.2013.02.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
Affiliation(s)
- Sherif Abdo Mousa
- Anaesthesia and Surgical Intensive Care Department, Faculty of Medicine , Mansoura University , Egypt
| | - Tarek Habeeb Ramadan
- Anaesthesia and Surgical Intensive Care Department, Faculty of Medicine , Mansoura University , Egypt
| | - Mohamed Kassem
- Neurosurgery Department, Faculty of Medicine , Mansoura University , Egypt
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11
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Saline Solution (1.25%) for Septic Patients With Active Stroke. Am J Ther 2019; 25:e551-e552. [PMID: 28991870 DOI: 10.1097/mjt.0000000000000633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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12
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Fülöp T, Zsom L, Rodríguez RD, Chabrier-Rosello JO, Hamrahian M, Koch CA. Therapeutic hypernatremia management during continuous renal replacement therapy with elevated intracranial pressures and respiratory failure. Rev Endocr Metab Disord 2019; 20:65-75. [PMID: 30848433 DOI: 10.1007/s11154-019-09483-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Cerebral edema and elevated intracranial pressure (ICP) are common complications of acute brain injury. Hypertonic solutions are routinely used in acute brain injury as effective osmotic agents to lower ICP by increasing the extracellular fluid tonicity. Acute kidney injury in a patient with traumatic brain injury and elevated ICP requiring renal replacement therapy represents a significant therapeutic challenge due to an increased risk of cerebral edema associated with intermittent conventional hemodialysis. Therefore, continuous renal replacement therapy (CRRT) has emerged as the preferred modality of therapy in this patient population. We present our current treatment approach, with demonstrative case vignette illustrations, utilizing hypertonic saline protocols (3% sodium-chloride or, with coexisting severe combined metabolic and respiratory acidosis, with 4.2% sodium-bicarbonate) in conjunction with the CRRT platform, to induce controlled hypernatremia of approximately 155 mEq/L in hemodynamically unstable patients with acute kidney injury and elevated ICP due to acute brain injury. Rationale, mechanism of activation, benefits and potential pitfalls of the therapy are reviewed. The impact of hypertonic citrate solution during regional citrate anticoagulation is specifically discussed. Maintaining plasma hypertonicity in the setting of increased ICP and acute kidney injury could prevent the worsening of ICP during renal replacement therapy by minimizing the osmotic gradient across the blood-brain barrier and maximizing cardiovascular stability.
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Affiliation(s)
- Tibor Fülöp
- Department of Medicine - Division of Nephrology, Medical University of South Carolina, Charleston, SC, USA.
- Medical Services, Ralph H. Johnson VA Medical Center, Charleston, SC, USA.
| | - Lajos Zsom
- Fresenius Medical Care Hungary Kft, Cegléd, Hungary
| | - Rafael D Rodríguez
- Department of Medicine - Division of Nephrology, Medical University of South Carolina, Charleston, SC, USA
| | - Jorge O Chabrier-Rosello
- Department of Medicine - Division of Nephrology, Medical University of South Carolina, Charleston, SC, USA
| | - Mehrdad Hamrahian
- Department of Medicine - Division of Nephrology, Thomas Jefferson University, Philadelphia, PA, USA
| | - Christian A Koch
- Medicover GmbH, Berlin, Germany.
- Carl von Ossietzky University of Oldenburg, Oldenburg, Germany.
- Technical University of Dresden, Dresden, Germany.
- University of Tennessee Health Science Center, Memphis, TN, USA.
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Early Administration of Hypertonic-Hyperoncotic Hydroxyethyl Starch (HyperHES) Improves Cerebral Blood Flow and Outcome After Experimental Subarachnoid Hemorrhage in Rats. World Neurosurg 2018; 116:e57-e65. [DOI: 10.1016/j.wneu.2018.03.205] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Revised: 03/28/2018] [Accepted: 03/29/2018] [Indexed: 11/21/2022]
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14
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Sokhal N, Rath GP, Chaturvedi A, Singh M, Dash HH. Comparison of 20% mannitol and 3% hypertonic saline on intracranial pressure and systemic hemodynamics. J Clin Neurosci 2017; 42:148-154. [PMID: 28342705 DOI: 10.1016/j.jocn.2017.03.016] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Accepted: 03/06/2017] [Indexed: 01/11/2023]
Abstract
Mannitol and hypertonic saline (HS) are most commonly used hyperosmotic agents for intraoperative brain relaxation. We compared the changes in ICP and systemic hemodynamics after infusion of equiosmolar solutions of both agents in patients undergoing craniotomy for supratentorial tumors. Forty enrolled adults underwent a standard anesthetic induction. Apart from routine monitoring parameters, subdural ICP with Codmann catheter and cardiac indices by Vigileo monitor, were recorded. The patients were randomized to receive equiosmolar solutions of either 20% mannitol (5ml/kg) or 3% HS (5.35ml/kg) for brain relaxation. The time of placement of ICP catheter was marked as T0 and baseline ICP and systemic hemodynamic variables were noted; it was followed by recording of the same parameters every 5min till 45min (Study Period). After the completion of study period, brain relaxation score as assessed by the neurosurgeon was recorded. Arterial blood gas (ABG) was analysed every 30min starting from T0 upto one and half hours (T90), and values of various parameters were recorded. Data was analysed using appropriate statistical methods. Both mannitol and HS significantly reduced the ICP; the values were comparable in between the two groups at most of the times. The brain relaxation score was comparable in both the groups. Urine output was significantly higher with mannitol. The perioperative complications, overall hospital stay, and Glasgow outcome score at discharge were comparable in between the two groups. To conclude, both mannitol and hypertonic saline in equiosmolar concentrations produced comparable effects on ICP reduction, brain relaxation, and systemic hemodynamics.
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Affiliation(s)
- Navdeep Sokhal
- Department of Neuroanaesthesiology & Critical Care, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Girija Prasad Rath
- Department of Neuroanaesthesiology & Critical Care, All India Institute of Medical Sciences (AIIMS), New Delhi, India.
| | - Arvind Chaturvedi
- Department of Neuroanaesthesiology & Critical Care, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Manmohan Singh
- Department of Neurosurgery, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Hari Hara Dash
- Department of Anaesthesiology and Pain Management, Fortis Hospital, Gurgaon, India
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Carter C, Human T. Efficacy, Safety, and Timing of 5% Sodium Chloride Compared With 23.4% Sodium Chloride for Osmotic Therapy. Ann Pharmacother 2017; 51:625-629. [DOI: 10.1177/1060028017701220] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Background: Bolus doses of 23.4% sodium chloride (NaCl) are commonly used for the treatment of intracranial hypertension; however, delays in administration may occur in patients without central intravenous access. At our institution, equiosmolar bolus doses of 5% NaCl have emerged as potential alternatives to 23.4% NaCl because they may be safely administered through peripheral lines. Objectives: We sought to assess the efficacy in reducing intracranial pressure (ICP), time to administration, and safety of 5% NaCl as compared with 23.4% NaCl for the treatment of intracranial hypertension. Methods: Patients admitted from July 2012 to June 2014 who received boluses of 5% NaCl or 23.4% NaCl for a sustained ICP >20 mm Hg were included. Data collected included measurements of ICP, time to administration, and adverse events. Results: A total of 44 patients were identified; 11 received 5% NaCl, and 33 received 23.4% NaCl. The median percentage reductions in ICP at 30, 60, and 120 minutes in patients who received 5% versus 23.4% NaCl were 34% versus 26% ( P = 0.850), 48% versus 40% ( P = 0.700), and 46% versus 30% ( P = 0.064), respectively. The median time to administration was shorter in the 5% NaCl group (7 vs 11 minutes, P = 0.364). Both groups had a 27% rate of adverse events and no infusion site reactions. Conclusions: These data suggest that 5% NaCl may be as effective as 23.4% NaCl at lowering ICP if given at equiosmolar doses, has a shorter time to administration, and has no difference in the prevalence of adverse events.
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Affiliation(s)
- Chris Carter
- SSM Health St Clare Hospital, Fenton, MO, USA
- Barnes-Jewish Hospital, St Louis, MO, USA
| | - Theresa Human
- Barnes-Jewish Hospital, St Louis, MO, USA
- Washington University School of Medicine, St Louis, MO, USA
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Tucker AM, Lee SJ, Chung LK, Barnette NE, Voth BL, Lagman C, Nagasawa DT, Yang I. Analyzing the efficacy of frequent sodium checks during hypertonic saline infusion after elective brain tumor surgery. Clin Neurol Neurosurg 2017; 156:24-28. [PMID: 28288395 DOI: 10.1016/j.clineuro.2017.02.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2017] [Revised: 02/12/2017] [Accepted: 02/19/2017] [Indexed: 11/25/2022]
Abstract
OBJECTIVE To assess the utility of frequent sodium checks (every 6h) in patients receiving hypertonic saline (HS) after elective brain tumor surgeries. PATIENTS AND METHODS A single-institution retrospective review of patients having undergone elective craniotomies for brain tumors and treated with postoperative continuous intravenous infusions of 3% HS was performed. Changes in serum sodium values were analyzed at different time points. The rates of <12.5, 25, and 50cc/h infusions were also examined. Healthcare cost analysis was performed by extrapolating our cohort to the total number of craniotomies performed in the United States. RESULTS No significant differences among sodium values checked between 0 to 4, 4-6, 6-8, 8-10, and >10h were observed (P=.64). In addition, no differences in serum sodium values among the rates of <12.5, 25, and 50cc/h were found (P=.30). No patients developed symptoms of acute hypernatremia. CONCLUSIONS Serum sodium values did not significantly change more than 10h after infusion of HS. Further studies are needed to determine the optimal frequency of routine sodium checks to increase the quality of care and decrease healthcare costs.
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Affiliation(s)
| | - Seung J Lee
- Departments of Neurosurgery, Los Angeles, United States
| | | | | | | | | | | | - Isaac Yang
- Departments of Neurosurgery, Los Angeles, United States; Radiation Oncology, Los Angeles, United States; Head and Neck Surgery, Los Angeles, United States; Jonsson Comprehensive Cancer Center, University of California, Los Angeles, United States.
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17
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Some cool considerations of external lumbar drainage during its widespread application in neurosurgical practice: a long way to go. Chin Neurosurg J 2016. [DOI: 10.1186/s41016-016-0033-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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18
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An equiosmolar study on early intracranial physiology and long term outcome in severe traumatic brain injury comparing mannitol and hypertonic saline. J Clin Neurosci 2016; 27:68-73. [DOI: 10.1016/j.jocn.2015.08.035] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2015] [Revised: 07/27/2015] [Accepted: 08/14/2015] [Indexed: 11/23/2022]
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19
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Bonaventure PL, Lauzier F, Turgeon AF. Managing critically ill patients with severe traumatic brain injury: How should we season the recipe? Can J Anaesth 2016; 63:647-51. [PMID: 27044396 DOI: 10.1007/s12630-016-0635-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2016] [Revised: 03/02/2016] [Accepted: 03/17/2016] [Indexed: 10/22/2022] Open
Affiliation(s)
- Paule Lessard Bonaventure
- CHU de Québec - Université Laval Research Center, Population Health and Optimal Health Practices Research Unit, Trauma - Emergency - Critical Care Medicine, CHU de Québec - Université Laval, Québec City, QC, Canada.,Division of Neurosurgery, Department of Neurological Sciences, CHU de Québec - Université Laval, Hôpital de l'Enfant-Jésus, Québec City, QC, Canada
| | - François Lauzier
- CHU de Québec - Université Laval Research Center, Population Health and Optimal Health Practices Research Unit, Trauma - Emergency - Critical Care Medicine, CHU de Québec - Université Laval, Québec City, QC, Canada.,Division of Critical Care Medicine, Department of Anesthesiology and Critical Care Medicine, CHU de Québec - Université Laval, Hôpital de l'Enfant-Jésus, Québec City, QC, Canada
| | - Alexis F Turgeon
- CHU de Québec - Université Laval Research Center, Population Health and Optimal Health Practices Research Unit, Trauma - Emergency - Critical Care Medicine, CHU de Québec - Université Laval, Québec City, QC, Canada. .,Division of Critical Care Medicine, Department of Anesthesiology and Critical Care Medicine, CHU de Québec - Université Laval, Hôpital de l'Enfant-Jésus, Québec City, QC, Canada.
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Morland C, Pettersen MN, Hassel B. Hyperosmolar sodium chloride is toxic to cultured neurons and causes reduction of glucose metabolism and ATP levels, an increase in glutamate uptake, and a reduction in cytosolic calcium. Neurotoxicology 2016; 54:34-43. [PMID: 26994581 DOI: 10.1016/j.neuro.2016.03.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2016] [Revised: 03/15/2016] [Accepted: 03/16/2016] [Indexed: 02/01/2023]
Abstract
Elevation of serum sodium, hypernatremia, which may occur during dehydration or treatment with sodium chloride, may cause brain dysfunction and damage, but toxic mechanisms are poorly understood. We found that exposure to excess NaCl, 10-100mmol/L, for 20h caused cell death in cultured cerebellar granule cells (neurons). Toxicity was due to Na(+), since substituting excess Na(+) with choline reduced cell death to control levels, whereas gluconate instead of excess Cl(-) did not. Prior to cell death from hyperosmolar NaCl, glucose consumption and lactate formation were reduced, and intracellular aspartate levels were elevated, consistent with reduced glycolysis or glucose uptake. Concomitantly, the level of ATP became reduced. Pyruvate, 10mmol/L, reduced NaCl-induced cell death. The extracellular levels of glutamate, taurine, and GABA were concentration-dependently reduced by excess NaCl; high-affinity glutamate uptake increased. High extracellular [Na(+)] caused reduction in intracellular free [Ca(2+)], but a similar effect was seen with mannitol, which was not neurotoxic. We suggest that inhibition of glucose metabolism with ensuing loss of ATP is a neurotoxic mechanism of hyperosmolar sodium, whereas increased uptake of extracellular neuroactive amino acids and reduced intracellular [Ca(2+)] may, if they occur in vivo, contribute to the cerebral dysfunction and delirium described in hypernatremia.
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Affiliation(s)
- Cecilie Morland
- Norwegian Defence Research Establishment, Kjeller, Norway; Oslo and Akershus University College of Applied Sciences, Oslo, Norway
| | | | - Bjørnar Hassel
- Norwegian Defence Research Establishment, Kjeller, Norway; Department of Complex Neurology and Neurohabilitation, Oslo University Hospital and The University of Oslo, Oslo, Norway.
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21
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Coritsidis G, Diamond N, Rahman A, Solodnik P, Lawrence K, Rhazouani S, Phalakornkul S. Hypertonic saline infusion in traumatic brain injury increases the incidence of pulmonary infection. J Clin Neurosci 2015; 22:1332-7. [DOI: 10.1016/j.jocn.2015.02.025] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2014] [Accepted: 02/14/2015] [Indexed: 10/23/2022]
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Malik ZA, Mir SA, Naqash IA, Sofi KP, Wani AA. A prospective, randomized, double blind study to compare the effects of equiosmolar solutions of 3% hypertonic saline and 20% mannitol on reduction of brain-bulk during elective craniotomy for supratentorial brain tumor resection. Anesth Essays Res 2015; 8:388-92. [PMID: 25886341 PMCID: PMC4258974 DOI: 10.4103/0259-1162.143155] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Aims: The aim of the study was to compare the effect of mannitol (M) and hypertonic saline (HTS) on brain relaxation and electrolyte balance. Settings and Design: Prospective, randomized, double-blind study. Subjects and Methods: A total of 114 patients with American Society of Anesthesiologists status II and III, scheduled to undergo craniotomy for supratentorial brain tumor resection were enrolled. Patients received 5 ml/kg 20% mannitol (n = 56) or 3% HTS (n = 58) at the start of scalp incision. Hemodynamics, fluid balance and electrolytes, were measured at 0, 15, 30, and 60 min and 6 h after infusion. Intensive Care Unit (ICU) stay between the two groups was also recorded. The surgeon assessed brain relaxation on a four-point scale (1 = Relaxed, 2 = Satisfactory, 3 = Firm, 4 = Bulging). Appropriate statistical tests were used for comparison; P < 0.05 was considered significant. Results: Brain relaxation conditions in the HTS group (relaxed/satisfactory/firm/bulging, n = 28/20/5/3) were better than those observed in the M group (relaxed/satisfactory/firm/bulging, n = 17/21/11/9). The levels of serum sodium were higher in the HTS group (P < 0.001). The average urine output was higher in the M group (5.50 ± 0.75 L) than in the HTS group (4.38 ± 0.72 L) (P < 0.005). There was no significant difference in fluid input, ICU stay, and hospital days between the two groups. Conclusion: We concluded that HTS provided better brain relaxation than mannitol during elective supratentorial brain tumor surgery, without affecting ICU and hospital stay.
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Affiliation(s)
- Zaffer A Malik
- Department of Anaesthesiology and Critical Care, Sher-I-Kashmir Institute of Medical Sciences, Srinagar, Jammu and Kashmir, India
| | - Shafat A Mir
- Department of Anaesthesiology and Critical Care, Sher-I-Kashmir Institute of Medical Sciences, Srinagar, Jammu and Kashmir, India
| | - Imtiyaz A Naqash
- Department of Anaesthesiology and Critical Care, Sher-I-Kashmir Institute of Medical Sciences, Srinagar, Jammu and Kashmir, India
| | - Khalid P Sofi
- Department of Anaesthesiology and Critical Care, Sher-I-Kashmir Institute of Medical Sciences, Srinagar, Jammu and Kashmir, India
| | - Abrar A Wani
- Department of Neurosurgery, Sher-I-Kashmir Institute of Medical Sciences, Srinagar, Jammu and Kashmir, India
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23
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Shao L, Hong F, Zou Y, Hao X, Hou H, Tian M. Hypertonic saline for brain relaxation and intracranial pressure in patients undergoing neurosurgical procedures: a meta-analysis of randomized controlled trials. PLoS One 2015; 10:e0117314. [PMID: 25635862 PMCID: PMC4311961 DOI: 10.1371/journal.pone.0117314] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2014] [Accepted: 12/20/2014] [Indexed: 11/22/2022] Open
Abstract
Background A wealth of evidence from randomized controlled trials (RCTs) has indicated that hypertonic saline (HS) is at least as effective as, if not better than, mannitol in the treatment of increased intracranial pressure(ICP). However, there is little known about the effects of HS in patients during neurosurgery. Thus, this meta-analysis was performed to compare the intraoperative effects of HS with mannitol in patients undergoing craniotomy. Methods According to the research strategy, we searched PUBMED, EMBASE and Cochrane Central Register of Controlled Trials. Other sources such as the internet-based clinical trial registries and conference proceedings were also searched. After literature searching, two investigators independently performed literature screening, quality assessment of the included trials and data extraction. The outcomes included intraoperative brain relaxation, intraoperative ICP, total volume of fluid required, diuresis, hemodynamic parameters, electrolyte level, mortality or dependence and adverse events. Results Seven RCTs with 468 participants were included. The quality of the included trials was acceptable. HS could significantly increase the odds of satisfactory intraoperative brain relaxation (OR: 2.25, 95% CI: 1.32–3.81; P = 0.003) and decrease the mean difference (MD) of maximal ICP (MD: −2.51mmHg, 95% CI: −3.39—1.93mmHg; P<0.00001) in comparison with mannitol with no significant heterogeneity among the study results. Compared with HS, mannitol had a more prominent diuretic effect. And patients treated with HS had significantly higher serum sodium than mannitol-treated patients. Conclusions Considering that robust outcome measures are absent because brain relaxation and ICP can be influenced by several factors except for the hyperosmotic agents, the results of present meta-analysis should be interpreted with cautions. Well-designed RCTs in the future are needed to further test the present results, identify the impact of HS on the clinically relevant outcomes and explore the potential mechanisms of HS.
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Affiliation(s)
- Liujiazi Shao
- Department of Anesthesiology, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, P.R. China
| | - Fangxiao Hong
- Department of Anesthesiology, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, P.R. China
| | - Yi Zou
- Department of Anesthesiology, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, P.R. China
| | - Xiaofang Hao
- Department of Anesthesiology, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, P.R. China
| | - Haijun Hou
- Department of Anesthesiology, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, P.R. China
| | - Ming Tian
- Department of Anesthesiology, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, P.R. China
- * E-mail:
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Update in intensive care medicine: acute liver failure. Initial management, supportive treatment and who to transplant. Curr Opin Crit Care 2014; 20:202-9. [PMID: 24584170 DOI: 10.1097/mcc.0000000000000073] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
PURPOSE OF REVIEW Acute liver failure (ALF) is associated with significant mortality. Although specific therapies may be available, the evidence base for these and for many aspects of supportive therapy has been slow to emerge. Liver transplantation continues to be a cornerstone of treatment, and the management of ALF, therefore, remains the domain of the specialist ICU. The purpose of this review is to identify and critically appraise the recent evidence and to inspire those who strive to provide excellent care for a difficult patient cohort. RECENT FINDINGS Effective vaccination programmes have reduced the incidence of viral hepatitis in Europe and the USA. Spontaneous survival has improved in causes such as acetaminophen toxicity. Early recognition and proactive intensive management have reduced the incidence of early neurological death. The use of artificial liver assist devices and therapeutic plasma exchange is controversial, yet intriguing, with some early evidence of efficacy. SUMMARY Increasingly sophisticated prognostication tools are evolving, which have the potential to transform clinical decision-making. A review of the indications for transplantation in acetaminophen toxicity is overdue. The use of therapeutic plasma exchange and extracorporeal liver support in ALF requires further investigation.
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Abstract
Acute liver failure (ALF) and acute-on-chronic liver failure (ACLF) usually mandate management within an intensive care unit (ICU). Even though the conditions bear some similarities, precipitating causes, and systemic complications management practices differ. Although early identification of ALF and ACLF, improvements in ICU management, and the widespread availability of liver transplantation have improved mortality, optimal management practices have not been defined. This article summarizes current ICU management practices and identifies areas of management that require further study.
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Affiliation(s)
- M Shadab Siddiqui
- Section of Hepatology, Hume-Lee Transplant Center, Virginia Commonwealth University, 1200 East Broad Street, Richmond, VA 23222, USA
| | - R Todd Stravitz
- Section of Hepatology, Hume-Lee Transplant Center, Virginia Commonwealth University, 1200 East Broad Street, Richmond, VA 23222, USA.
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Kashefi P, Montazeri K, Hashemi ST. Effect of hypertonic saline on hypotension following induction of general anesthesia: A randomized controlled trial. Adv Biomed Res 2014; 3:183. [PMID: 25250297 PMCID: PMC4166055 DOI: 10.4103/2277-9175.140088] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2014] [Accepted: 06/18/2014] [Indexed: 11/19/2022] Open
Abstract
Background: The aim of this study was to examine the effects of preoperatively administered i.v. hypertonic saline on hypotension following induction of general anesthesia. Materials and Methods: Fifty-four patients who scheduled for elective surgery were randomly allocated to two groups of 27 patients who received hypertonic saline 5% (2.3 ml/kg) or received normal saline (13 ml/kg). Infusion of hypertonic saline was done half an hour before induction of anesthesia during 30 minutes. Anesthesia was conducted in a standard protocol for all patients. Age, sex, body mass index (BMI), systolic and diastolic blood pressure (SBP, DBP), heart rate (HR) and mean arterial pressure (MAP) were assessed in all patients. Results: The mean age of patients was 36.68 ± 10.8 years. Forty percent of patients were male. The mean SBP at min 2 and min 5, mean of DBP at min 2, 5, and 15, mean of HR at all time points and mean of MAP at min 2 and 15 between groups were no significantly different (P > 0.05), but mean of SBP at min 10 and 15, mean of DBP at min 10, and mean of MAP at min 5 and 10 in hypertonic saline group was significantly more than the normal group (P < 0.05). Trend of SBP, DBP, HR and MAP between groups were not significantly different (P > 0.05). Conclusions: Infusion of hypertonic saline 5% (2.3 mg/kg) before the general anesthesia led to a useful reduction in MAP and reduced heart rate, with no episodes of severe hypotension.
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Affiliation(s)
- Parviz Kashefi
- Department of Anesthesia, Medical School, St-Alzahra Medical Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Kamran Montazeri
- Department of Anesthesia, Medical School, St-Alzahra Medical Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Seyed Taghi Hashemi
- Department of Anesthesia, Medical School, St-Alzahra Medical Center, Isfahan University of Medical Sciences, Isfahan, Iran
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Warrillow SJ, Bellomo R. Preventing cerebral oedema in acute liver failure: the case for quadruple-H therapy. Anaesth Intensive Care 2014; 42:78-88. [PMID: 24471667 DOI: 10.1177/0310057x1404200114] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Severe cerebral oedema is a life-threatening complication of acute liver failure. Hyperammonaemia and cerebral hyperaemia are major contributing factors. A multimodal approach, which incorporates hyperventilation, haemodiafiltration, hypernatraemia and hypothermia (quadruple-H therapy), may prevent or attenuate severe cerebral oedema. This approach is readily administered by critical care clinicians and is likely to be more effective than the use of single therapies. Targeting of PaCO2 in the mild hyperventilation range, as seen in acute liver failure patients before intubation, aims to minimise hyperaemic cerebral oedema. Haemodiafiltration aims to achieve the rapid control of elevated blood ammonia concentrations by its removal and to reduce production via the lowering of core temperature. The administration of concentrated saline increases serum tonicity and further reduces cerebral swelling. In addition, the pathologically increased cerebral blood-flow is further attenuated by therapeutic hypothermia. The combination of all four treatments in a multimodal approach may be a safe and effective means of attenuating or treating the cerebral oedema of acute liver failure and preventing death from neurological complications.
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Affiliation(s)
- S J Warrillow
- Department of Intensive Care, Austin Health, Victoria, Australia
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Major EH, O’Connor P, Mullan B. Single bolus 30 % hypertonic saline for refractory intracranial hypertension. Ir J Med Sci 2014; 184:159-65. [DOI: 10.1007/s11845-014-1080-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2013] [Accepted: 02/03/2014] [Indexed: 01/06/2023]
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Kolmodin L, Sekhon MS, Henderson WR, Turgeon AF, Griesdale DEG. Hypernatremia in patients with severe traumatic brain injury: a systematic review. Ann Intensive Care 2013; 3:35. [PMID: 24196399 PMCID: PMC3826846 DOI: 10.1186/2110-5820-3-35] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2013] [Accepted: 10/21/2013] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Hypernatremia is common following traumatic brain injury (TBI) and occurs from a variety of mechanisms, including hyperosmotic fluids, limitation of free water, or diabetes insipidus. The purpose of this systematic review was to assess the relationship between hypernatremia and mortality in patients with TBI. METHODS We searched the following databases up to November 2012: MEDLINE, EMBASE, and CENTRAL. Using a combination of MeSH and text terms, we developed search filters for the concepts of hypernatremia and TBI and included studies that met the following criteria: (1) compared hypernatremia to normonatremia, (2) adult patients with TBI, (3) presented adjusted outcomes for mortality or complications. RESULTS Bibliographic and conference search yielded 1,152 citations and 11 abstracts, respectively. Sixty-five articles were selected for full-text review with 5 being included in our study. All were retrospective cohort studies totaling 5,594 (range 100-4,296) patients. There was marked between-study heterogeneity. The incidence of hypernatremia ranged between 16% and 40%. Use of hyperosmolar therapy was presented in three studies (range 14-85% of patients). Hypernatremia was associated with increased mortality across all four studies that presented this outcome. Only one study considered diabetes insipidus (DI) in their analysis where hypernatremia was associated with increased mortality in patients who did not receive DDAVP. CONCLUSIONS Although hypernatremia was associated with increased mortality in the included studies, there was marked between-study heterogeneity. DI was a potential confounder in several studies. Considering these limitations, the clinical significance of hypernatremia in TBI is difficult to establish at this stage.
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Affiliation(s)
- Leif Kolmodin
- Department of Medicine, Division of Critical Care Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Mypinder S Sekhon
- Department of Medicine, Division of Critical Care Medicine, University of British Columbia, Vancouver, BC, Canada
- Critical Care Medicine, Vancouver General Hospital, Room 2438, Jim Pattison Pavilion, 2nd Floor, 855 West 12th Avenue, Vancouver, BC V5Z 1 M9, Canada
| | - William R Henderson
- Department of Medicine, Division of Critical Care Medicine, University of British Columbia, Vancouver, BC, Canada
- Critical Care Medicine, Vancouver General Hospital, Room 2438, Jim Pattison Pavilion, 2nd Floor, 855 West 12th Avenue, Vancouver, BC V5Z 1 M9, Canada
| | - Alexis F Turgeon
- Department of anesthesiology, Division of Critical Care, Université Laval, Québec City, QC, Canada
| | - Donald EG Griesdale
- Department of Medicine, Division of Critical Care Medicine, University of British Columbia, Vancouver, BC, Canada
- Department of Anesthesia, Pharmacology and Therapeutics, University of British Columbia, Vancouver, BC, Canada
- Centre for Clinical Epidemiology and Evaluation, Vancouver Coastal Health Research Institute, Vancouver, BC, Canada
- Critical Care Medicine, Vancouver General Hospital, Room 2438, Jim Pattison Pavilion, 2nd Floor, 855 West 12th Avenue, Vancouver, BC V5Z 1 M9, Canada
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Harju M, Kivelä T, Lindbohm N, Koivusalo R, Paloheimo M. Intravenous hypertonic saline to reduce intraocular pressure. Acta Ophthalmol 2013; 91:625-9. [PMID: 22834976 DOI: 10.1111/j.1755-3768.2012.02474.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
PURPOSE To quantitate the effect of intravenous hypertonic saline (IVHTS) injection on elevated intraocular pressure (IOP). METHODS Nineteen patients (median age, 65 years; range, 41-84 years) with glaucoma and an IOP 30 mmHg or higher were recruited. A bolus of IVHTS (sodium chloride concentration 23.4%) was injected in an antecubital vein over 10-20 seconds. The IOP and systolic and diastolic blood pressure (BP) were measured frequently for 2 hr. The dosage was 0.5 mmol/kg sodium in 11 patients (Group 1) and 1.0 mmol/kg in eight patients (Group 2). RESULTS In both groups, a median absolute IOP reduction of 7 mmHg was achieved in 5 min. The maximum median reduction was 7 mmHg (range, 4-16) and 9 mmHg (range, 3-14) at 5 and 16 min after IVHTS in Group 1 and 2, respectively, at which point the median IOP had reduced from 38 and 35 mmHg to 31 and 27 mmHg (p < 0.001), respectively. In both groups, the IOP remained 7 mmHg reduced 2 hr after IVHTS. Systolic BP increased a median of 14.5 mmHg at 3 min and was comparable with baseline after 6 min. CONCLUSION Intravenous hypertonic saline solution reduces IOP moderately within minutes for up to 2 hr.
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Affiliation(s)
- Mika Harju
- Department of Ophthalmology, Helsinki University Central Hospital, Helsinki, FinlandDepartment of Anesthesiology and Intensive Care Medicine, Helsinki University Central Hospital, Helsinki, Finland
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Eskandari R, Filtz MR, Davis GE, Hoesch RE. Effective treatment of refractory intracranial hypertension after traumatic brain injury with repeated boluses of 14.6% hypertonic saline. J Neurosurg 2013; 119:338-46. [DOI: 10.3171/2013.4.jns121541] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Object
Normal intracranial pressure (ICP) and cerebral perfusion pressure (CPP) have been identified as favorable prognostic factors in the outcome of patients with traumatic brain injuries (TBIs). Osmotic diuretics and hypertonic saline (HTS) are commonly used to treat elevated ICP in patients with TBI; however, sustained effects of repeated high-concentration HTS boluses for severely refractory ICP elevation have not been studied. The authors' goal in this study was to determine whether repeated 14.6% HTS boluses were efficacious in treating severely refractory intracranial hypertension in patients with TBI.
Methods
In a prospective cohort study in a neurocritical care unit, adult TBI patients with sustained ICP > 30 mm Hg for more than 30 minutes after exhaustive medical and/or surgical therapy received repeated 15-minute boluses of 14.6% HTS over 12 hours through central venous access.
Results
Response to treatment was evaluated in 11 patients. Within 5 minutes of bolus administration, mean ICP decreased from 40 to 33 mm Hg (30% reduction, p < 0.05). Intracranial pressure–lowering effects were sustained for 12 hours (41% reduction, p < 0.05) with multiple boluses (mean number of boluses 7 ± 5.5). The mean CPP increased 22% and 32% from baseline at 15 and 30 minutes, respectively (p < 0.05). The mean serum sodium level (SNa) at baseline was 155 ± 7.1 mEq/L, and after multiple boluses of 14.6% HTS, SNa at 12 hours was 154 ± 7.1 mEq/L. The mean heart rate, systolic blood pressure, blood urea nitrogen, and creatinine demonstrated no significant change throughout the study.
Conclusions
The subset of TBI patients with intracranial hypertension that is completely refractory to all other medical therapies can be treated effectively and safely with repeated boluses of 14.6% HTS rather than a one-time dose.
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Affiliation(s)
| | - Michael R. Filtz
- 2Department of Pharmacy Services, University of Utah Hospital, Salt Lake City, Utah
| | - Gary E. Davis
- 2Department of Pharmacy Services, University of Utah Hospital, Salt Lake City, Utah
| | - Robert E. Hoesch
- 3Division of Neurocritical Care, Department of Neurology, University of Utah; and
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Dubick MA, Shek P, Wade CE. ROC trials update on prehospital hypertonic saline resuscitation in the aftermath of the US-Canadian trials. Clinics (Sao Paulo) 2013; 68:883-6. [PMID: 23778489 PMCID: PMC3674305 DOI: 10.6061/clinics/2013(06)25] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2013] [Accepted: 02/19/2013] [Indexed: 02/04/2023] Open
Abstract
The objectives of this review are to assess the current state of hypertonic saline as a prehospital resuscitation fluid in hypotensive trauma patients, particularly after the 3 major Resuscitation Outcomes Consortium trauma trials in the US and Canada were halted due to futility. Hemorrhage and traumatic brain injury are the leading causes of death in both military and civilian populations. Prehospital fluid resuscitation remains controversial in civilian trauma, but small-volume resuscitation with hypertonic fluids is of utility in military scenarios with prolonged or delayed evacuation times. A large body of pre-clinical and clinical literature has accumulated over the past 30 years on the hemodynamic and, most recently, the anti-inflammatory properties of hypertonic saline, alone or with dextran-70. This review assesses the current state of hypertonic fluid resuscitation in the aftermath of the failed Resuscitation Outcomes Consortium trials.
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Bhalla T, Dewhirst E, Sawardekar A, Dairo O, Tobias JD. Perioperative management of the pediatric patient with traumatic brain injury. Paediatr Anaesth 2012; 22:627-40. [PMID: 22502728 DOI: 10.1111/j.1460-9592.2012.03842.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
TBI and its sequelae remain a major healthcare issue throughout the world. With an improved understanding of the pathophysiology of TBI, refinements of monitoring technology, and ongoing research to determine optimal care, the prognosis of TBI continues to improve. In 2003, the Society of Critical Care Medicine published guidelines for the acute management of severe TBI in infants, children, and adolescents. As pediatric anesthesiologists are frequently involved in the perioperative management of such patients including their stabilization in the emergency department, familiarity with these guidelines is necessary to limit preventable secondary damage related to physiologic disturbances. This manuscript reviews the current evidence-based medicine regarding the care of pediatric patients with TBI as it relates to the perioperative care of such patients. The issues reviewed include those related to initial stabilization, airway management, intra-operative mechanical ventilation, hemodynamic support, administration of blood and blood products, positioning, and choice of anesthetic technique. The literature is reviewed regarding fluid management, glucose control, hyperosmolar therapy, therapeutic hypothermia, and corticosteroids. Whenever possible, management recommendations are provided.
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Affiliation(s)
- Tarun Bhalla
- Departments of Anesthesiology, Nationwide Children's Hospital and the Ohio State University, Columbus, OH, USA
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Kim JY, Choi SH, Yoon YH, Moon SW, Cho YD. Effects of hypertonic saline on macrophage migration inhibitory factor in traumatic conditions. Exp Ther Med 2012; 5:362-366. [PMID: 23251299 PMCID: PMC3524247 DOI: 10.3892/etm.2012.800] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2012] [Accepted: 10/29/2012] [Indexed: 12/30/2022] Open
Abstract
Trauma-induced suppression of cellular immune function contributes to sepsis, multiple organ dysfunction syndrome (MODS) and mortality. Macrophage migration inhibitory factor (MIF) has been revealed to be central to several immune responses. However, the role of MIF in trauma-like conditions is unknown. Therefore, the present study evaluated MIF in macrophages and polymorphonuclear neutrophils (PMNs). The effects of hypertonic saline (HTS) on lipopolysaccharide (LPS)-induced MIF levels were evaluated in macrophages. MIF concentrations were determined by an enzyme-linked immnosorbent assay (ELISA) and cell lysates were used for western blot analysis. The effects of HTS on N-formyl-methionyl-leucyl-phenylalanine (fMLP)-induced MIF were evaluated in PMNs. MIF concentrations were determined by ELISA, western blotting and real time-polymerase chain reaction (RT-PCR) to determine MIF expression. MIF levels, which were measured by the ELISA, increased by 1.24±0.38 ng/ml in the supernatants of LPS-stimulated macrophages compared with the controls (0.79±0.07 ng/ml) at 2 h. HTS10 (150 mmol/l) partially restored MIF levels (0.84±0.22 ng/ml; P<0.05). Also, western blotting was performed and MIF protein levels were higher in the LPS-stimulated macrphages (20% increase in band density) compared with the controls (P<0.05). The addition of HTS decreased MIF protein expression. MIF levels in fMLP-stimulated PMN cells were unchanged compared with the controls according to the ELISA, western blotting and RT-PCR. No effects were observed following treatment with HTS. MIF concentrations and MIF expression were higher in LPS-stimulated macrophages than controls and HTS restored MIF levels to those of the controls. MIF levels were unchanged in PMNs stimulated by fMLP.
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Affiliation(s)
- Jung-Youn Kim
- Department of Emergency Medicine, College of Medicine, Korea University, Seoul 152-703, Republic of Korea
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Vilas Boas WW, Marques MB, Alves A. Hydroelectrolytic balance and cerebral relaxation with hypertonic isoncotic saline versus mannitol (20%) during elective neuroanesthesia. Rev Bras Anestesiol 2011; 61:456-68. [PMID: 21724008 DOI: 10.1016/s0034-7094(11)70053-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2010] [Accepted: 01/04/2011] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND AND OBJECTIVES Cerebral relaxation during intracranial surgery is necessary, and hiperosmolar therapy is one of the measures used to this end. Frequently, neurosurgical patients have sodium imbalances. The objective of the present study was to quantify and determine cerebral relaxation and duration of hydroelectrolytic changes secondary to the use of mannitol versus hypertonic isoncotic solution (HIS) during neurosurgery. METHODS Cerebral relaxation and hydroelectrolytic changes were evaluated in 29 adult patients before de beginning of infusion, and 30 and 120 minutes after the infusion of equiosmolar loads of approximately 20% mannitol (250 mL) or HIS (120 mL). The volume of intravenous fluids infused and diuresis were recorded. A p < 0.05 was considered significant. RESULTS A statistically significant difference in cerebral relaxation between both groups was not observed. Although several changes in electrolyte levels and acid-base balance with mannitol or HIS reached statistical significance only the reduction in plasma sodium 30 minutes after infusion of mannitol, mean of 6.42 ± 0.40 mEq.L(-1), and the increase in chloride, mean of 5.41 ± 0.96 mEq.L(-1) and 5.45 ± 1.45 mEq.L(-1) 30 and 120 minutes after infusion of HIS, caused a transitory dislocation of serum ion levels from normal range. The mannitol (20%) group had a significantly greater diuresis at both times studied compared with HIS group. CONCLUSIONS A single dose of hypertonic isoncotic saline solution [7.2% NaCl/6% HES (200/0.5)] and mannitol (20%) with equivalent osmolar loads were effective and safe in producing cerebral relaxation during elective neurosurgical procedures under general anesthesia.
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Hays AN, Lazaridis C, Neyens R, Nicholas J, Gay S, Chalela JA. Osmotherapy: use among neurointensivists. Neurocrit Care 2011; 14:222-8. [PMID: 21153930 DOI: 10.1007/s12028-010-9477-4] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
BACKGROUND Cerebral edema and raised intracranial pressure are common problems in neurological intensive care. Osmotherapy, typically using mannitol or hypertonic saline (HTS), has become one of the first-line interventions. However, the literature on the use of these agents is heterogeneous and lacking in class I studies. The authors hypothesized that clinical practice would reflect this heterogeneity with respect to choice of agent, dosing strategy, and methods for monitoring therapy. METHODS An on-line survey was administered by e-mail to members of the Neurocritical Care Society. Multiple-choice questions regarding use of mannitol and HTS were employed to gain insight into clinician practices. RESULTS A total of 295 responses were received, 79.7% of which were from physicians. The majority (89.9%) reported using osmotherapy as needed for intracranial hypertension, though a minority reported initiating treatment prophylactically. Practitioners were fairly evenly split between those who preferred HTS (54.9%) and those who preferred mannitol (45.1%), with some respondents reserving HTS for patients with refractory intracranial hypertension. Respondents who preferred HTS were more likely to endorse prophylactic administration. Preferred dosing regimens for both agents varied considerably, as did monitoring parameters. CONCLUSIONS Treatment of cerebral edema using osmotically active substances varies considerably between practitioners. This variation could hamper efforts to design and implement multicenter trials in neurocritical care.
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Affiliation(s)
- Angela N Hays
- Department of Neurosciences, Division of Adult Neurology, Medical University of South Carolina, Charleston, SC, USA.
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Early continuous hypertonic saline infusion in patients with severe cerebrovascular disease. Crit Care Med 2011; 39:1766-72. [DOI: 10.1097/ccm.0b013e318218a390] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Hypertonic saline enhances host defense and reduces apoptosis in burn mice by increasing toll-like receptors. Shock 2011; 35:59-66. [PMID: 20523267 DOI: 10.1097/shk.0b013e3181e86f10] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Hypertonic saline (HTS) is useful in the management of intracranial hypertension and shock patients. The aim of this study was to investigate whether HTS enhances host defense in burn mice through the increase of Toll-like receptors (TLRs) and nuclear factor κB (NF-κB) activation. C57BL/6, TLR4, C3H/HeN, and C3H/HeJ (nonfunctional TLR4 mutant) mice underwent burn and were given 10 mL/kg HTS (7.5% NaCl, 1.28 mol/L), 10 mL/kg saline (154 mmol/L), or 80 mL/kg saline (154 mmol/L) at 8 h after burn. At 24 h after burn, mesenteric lymph nodes were harvested and assayed for bacterial translocation (BT). Next, animals received i.p. Escherichia coli challenge, and bacterial clearance was measured. Finally, peritoneal cells were isolated for assay of bacterial killing activity, phagocytic activity, apoptotic ratio, NF-κB DNA binding activity, and expression of TLR4, MyD88, p-Akt, pp38, macrophage inflammatory protein 2, and Bcl-xL. Hypertonic saline decreased BT in C57BL/6 and C3H/HeN mice but not in TLR4 mutant mice. Also, HTS increased bacterial clearance and bacterial killing activity and decreased apoptotic ratio of peritoneal cells from C57BL/6 and C3H/HeN mice but not TLR4 or C3H/HeJ mice. Finally, HTS increased NF-κB activity and expression of TLR4, MyD88, p-Akt, pp38, macrophage inflammatory protein 2, and Bcl-xL in C57BL/6 but not in TLR4 mice. Hypertonic saline increases bacterial clearance and bacterial killing activity and decreases thermal injury-induced BT in wild-type but not in TLR4 mutant mice. Given that HTS induces NF-κB activity and TLR4, MyD88, and pp38 expression but decreases the apoptosis of inflammatory cells, we conclude that HTS resuscitation enhances host defense against bacterial challenge and reduces apoptosis of inflammatory cells in burn mice by increasing TLR4 expression and NF-κB activation.
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Patanwala AE, Amini A, Erstad BL. Use of hypertonic saline injection in trauma. Am J Health Syst Pharm 2011; 67:1920-8. [PMID: 21048208 DOI: 10.2146/ajhp090523] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
PURPOSE The use of hypertonic saline injection in trauma patients is discussed. SUMMARY Patients with hemorrhage, burns, and traumatic brain injury (TBI) may develop hypovolemic shock and require resuscitation. Compared with conventional isotonic crystalloids, hypertonic saline has several advantages, including hemodynamic, immune-modulating, and antiinflammatory effects, for use in trauma patients for resuscitation. In addition, hypertonic saline is also used in patients with TBI to reduce intracranial pressure (ICP). Overall, studies have not shown a difference in mortality or other clinically important outcomes with the use of hypertonic saline for resuscitation in trauma patients; however, most of these studies were not adequately powered to show significant differences. A recent Cochrane review concluded that there is no evidence that hypertonic crystalloids are better than isotonic or near-isotonic crystalloids for fluid resuscitation in trauma patients. Two recent trials that were adequately powered to investigate a mortality endpoint were halted for futility. A few small randomized controlled studies found that hypertonic saline was more effective than mannitol as a hyperosmolar agent for ICP reduction. Recent guidelines from the American Burn Association have suggested that hypertonic saline may be used for burn shock resuscitation by experienced providers with close monitoring to avoid excessive hypernatremia. One of the main concerns with the use of hypertonic saline is its potential to cause central pontine myelinolysis due to a rapid increase in serum sodium levels. CONCLUSION There is no evidence that hypertonic saline provides any additional benefit over isotonic crystalloid solutions for trauma resuscitation. Hypertonic saline may be more effective than mannitol at reducing ICP in patients with TBI.
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Affiliation(s)
- Asad E Patanwala
- Department of Pharmacy Practice and Science, College of Pharmacy, University of Arizona, 1295 North Martin, P.O. Box 210202, Tucson, AZ 85721-0207, USA.
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Sankhyan N, Vykunta Raju KN, Sharma S, Gulati S. Management of raised intracranial pressure. Indian J Pediatr 2010; 77:1409-16. [PMID: 20821277 DOI: 10.1007/s12098-010-0190-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2010] [Accepted: 08/18/2010] [Indexed: 12/12/2022]
Abstract
Appropriate management of raised intracranial pressure begins with stabilization of the patient and simultaneous assessment of the level of sensorium and the cause of raised intracranial pressure. Stabilization is initiated with securing the airway, ventilation and circulatory function. The identification of surgically remediable conditions is a priority. Emergent use of external ventricular drain or ventriculo-peritoneal shunt may be lifesaving in selected patients. In children with severe coma, signs of herniation or acutely elevated intracranial pressure, treatment should be started prior to imaging or invasive monitoring. Emergent use of hyperventilation and mannitol are life saving in such situations. Medical management involves careful use of head elevation, osmotic agents, and avoiding hypotonic fluids. Appropriate care also includes avoidance of aggravating factors. For refractory intracranial hypertension, barbiturate coma, hypothermia, or decompressive craniectomy should be considered.
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Affiliation(s)
- Naveen Sankhyan
- Child Neurology Division, Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, 110029, India
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Baker AJ, Rhind SG, Morrison LJ, Black S, Crnko NT, Shek PN, Rizoli SB. Resuscitation with hypertonic saline-dextran reduces serum biomarker levels and correlates with outcome in severe traumatic brain injury patients. J Neurotrauma 2010; 26:1227-40. [PMID: 19637968 DOI: 10.1089/neu.2008.0868] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
In the treatment of severe traumatic brain injury (TBI), the choice of fluid and osmotherapy is important. There are practical and theoretical advantages to the use of hypertonic saline. S100B, neuron-specific enolase (NSE), and myelin-basic protein (MBP) are commonly assessed biomarkers of brain injury with potential utility as diagnostic and prognostic indicators of outcome after TBI, but they have not previously been studied in the context of fluid resuscitation. This randomized controlled trial compared serum concentrations of S100B, NSE, and MBP in adult severe TBI patients resuscitated with 250 mL of 7.5% hypertonic saline plus 6% dextran70 (HSD; n = 31) versus 0.9% normal saline (NS; n = 33), and examined their relationship with neurological outcome at discharge. Blood samples drawn on admission (<or=3 h post-injury), and at 12, 24, and 48 h post-resuscitation were assayed by ELISA for the selected biomarkers. Serial comparisons of biomarker concentrations were made by ANOVA, and relationships between biomarkers and outcome were assessed by multiple regression. On admission, mean (+/-SEM) S100B and NSE concentrations were increased 60-fold (0.73 +/- 0.08 microg/L) and sevenfold (37.0 +/- 4.8 microg/L), respectively, in patients resuscitated with NS, compared to controls (0.01 +/- 0.01 and 6.2 +/- 0.6, respectively). Compared with NS resuscitation, S100B and NSE were twofold and threefold lower in HSD-treated patients and normalized within 12 h. MBP levels were not significantly different from controls in either treatment arm until 48 h post-resuscitation, when a delayed increase (0.58 +/- 0.29 microg/L) was observed in NS-treated patients. Biomarkers were elevated in the patient group showing an unfavorable outcome. HSD-resuscitated patients with favorable outcomes exhibited the lowest serum S100B and NSE concentrations, while maximal levels were found in NS-treated patients with unfavorable outcomes. The lowest biomarker levels were seen in survivors resuscitated with HSD, while maximal levels were in NS-resuscitated patients with fatal outcome. Pre-hospital resuscitation with HSD is associated with a reduction in serum S100B, NSE, and MBP concentrations, which are correlated with better outcome after severe TBI.
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Affiliation(s)
- Andrew J Baker
- Brain Injury Laboratory, Cara Phelan Centre for Trauma Research, St. Michael's Hospital, University of Toronto, Toronto, Ontario, Canada.
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Schaeffer V, Arbabi S, Garcia IA, Knoll ML, Cuschieri J, Bulger EM, Maier RV. Role of the mTOR pathway in LPS-activated monocytes: influence of hypertonic saline. J Surg Res 2010; 171:769-76. [PMID: 20828737 DOI: 10.1016/j.jss.2010.05.035] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2010] [Revised: 04/22/2010] [Accepted: 05/13/2010] [Indexed: 10/19/2022]
Abstract
BACKGROUND As heightened protein synthesis is the hallmark of many inflammatory syndromes, we hypothesize that the mammalian target of rapamycin (mTOR) pathway, which control the cap-dependent translation initiation phase, was activated by lipopolysaccharide (LPS). In addition, we studied the effect of hypertonic saline solution (HTS) on the mTOR cascade in peripheral blood mononuclear cells (PBMCs). MATERIALS AND METHODS PBMCs were isolated from healthy volunteers and treated with LPS. Cells were pretreated with phosphatidylinositol 3-kinase (PI3K) and mTOR inhibitors, or with HTS. Supernatants were harvested 20 h following LPS treatment, and interleukin-10 (IL-10), interleukin-6 (IL-6) and tumor necrosis alpha (TNFα) were analyzed by ELISA. Immunoblot experiments were performed for components of the PI3K/Akt/mTOR pathway at various time points. RNA was extracted after 90 min for real-time RT-PCR quantification. RESULTS The mTOR pathway is activated in PBMCs within 1 h of LPS stimulation. Pretreatment with rapamycin, a specific inhibitor of mTOR, resulted in a significant decrease of IL-10 and IL-6 translation and expression but did not affect the LPS-induced TNFα production. Both the mTOR pathway and the LPS-induced IL-6 production were down-regulated by HTS pretreatment. CONCLUSIONS The PI3k/Akt/mTOR cascade modulates LPS-induced cytokines production differentially. IL-10 and IL-6 expression are both up-regulated by activation of the mTOR pathway in response to LPS in PBMCs, while TNFα is not controlled by the mTOR cascade. Meanwhile, pretreatment of PBMCs with a HTS solution suppresses mTOR activity as well as LPS-induced IL-6, suggesting a more central role for mTOR as a regulator of the immuno-inflammatory response.
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Affiliation(s)
- Valérie Schaeffer
- Harborview Medical Center, University of Washington, Seattle, Washington 98109, USA.
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Clinical experience using 5% hypertonic saline as a safe alternative fluid for use in trauma. ACTA ACUST UNITED AC 2010; 68:1172-7. [PMID: 20453771 DOI: 10.1097/ta.0b013e3181d76d40] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Published experience of hypertonic saline (HTS) use in resuscitation has described the use of commercially unavailable 7.5% solutions. The purpose of this study was to compare our experience with the administration of commercially available 5% HTS solution with that of well-matched controls who did not receive HTS. METHODS Prospective observational study of 51 trauma patients receiving 500 mL of 5% HTS during initial resuscitation. Patients who received HTS were 1:2 matched using age, gender, Injury Severity Score, Coma Score, Head Abbreviated Injury Scale, and injury mechanism to trauma patients who did not receive HTS. The laboratory values and outcomes of the two groups were compared. RESULTS Patients receiving HTS demonstrated no difference from the matched cohort in mean pH, international normalized ratio, or p/f ratios at 8 hours or 24 hours. The mean serum sodium of the HTS group was higher than controls at 8 hours (143.1 vs. 150.1 mg/dL, p < 0.001) and remained significantly more increased for 3 days without any adverse sequelae related to hypernatremia. No difference in mortality was noted between the two groups. A trend in decreased mortality was observed in patients with Coma Score <or=8 and Head Abbreviated Injury Scale score >or=3 (25.0% vs. 42.5%). The mean ventilator days were 7.3 for HTS group and 9.2 for the non-HTS group. CONCLUSION Although serum sodium remained increased for several days after HTS administration, no adverse sequelae as a result of hypernatremia resulted. Commercially available 5% HTS solution is safe for use in the resuscitation of trauma patients and may improve outcomes in a selected subset of patients with head injury.
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Wu CT, Chen LC, Kuo CP, Ju DT, Borel CO, Cherng CH, Wong CS. A comparison of 3% hypertonic saline and mannitol for brain relaxation during elective supratentorial brain tumor surgery. Anesth Analg 2010; 110:903-7. [PMID: 20185666 DOI: 10.1213/ane.0b013e3181cb3f8b] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND In this study, we compared the effects of 3% hypertonic saline (HTS) and 20% mannitol on brain relaxation during supratentorial brain tumor surgery, intensive care unit (ICU) stays, and hospital days. METHODS This prospective, randomized, and double-blind study included patients who were selected for elective craniotomy for supratentorial brain tumors. Patients received either 160 mL of 3% HTS (HTS group, n = 122) or 150 mL of 20% mannitol infusion (M group, n = 116) for 5 minutes at the start of scalp incision. The PCO(2) in arterial blood was maintained within 35 to 40 mm Hg, arterial blood pressure was controlled within baseline values +/-20%, and positive fluid balance was maintained intraoperatively at a rate of 2 mL/kg/h. Outcome measures included fluid input, urine output, arterial blood gases, serum sodium concentration, ICU stays, and hospital days. Surgeons assessed the condition of the brain as "tight," "adequate," or "soft" immediately after opening the dura. RESULTS Brain relaxation conditions in the HTS group (soft/adequate/tight, n = 58/43/21) were better than those observed in the M group (soft/adequate/tight, n = 39/42/35; P = 0.02). The levels of serum sodium were higher in the HTS group compared with the M group over time (P < 0.001). The average urine output in the M group (707 mL) was higher than it was in the HTS group (596 mL) (P < 0.001). There were no significant differences in fluid input, ICU stays, and hospital days between the 2 groups. CONCLUSIONS Our results suggest that HTS provided better brain relaxation than did mannitol during elective supratentorial brain tumor surgery, whereas it did not affect ICU stays or hospital days.
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Affiliation(s)
- Ching-Tang Wu
- Department of Anesthesiology, Tri-Service General Hospital, National Defense Medical Center, # 325 Section 2, Chenggung Rd., Neihu 114, Taipei, Taiwan.
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Funk GC, Lindner G, Druml W, Metnitz B, Schwarz C, Bauer P, Metnitz PGH. Incidence and prognosis of dysnatremias present on ICU admission. Intensive Care Med 2009; 36:304-11. [PMID: 19847398 DOI: 10.1007/s00134-009-1692-0] [Citation(s) in RCA: 247] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2009] [Accepted: 09/23/2009] [Indexed: 12/19/2022]
Affiliation(s)
- Georg-Christian Funk
- Department of Respiratory and Critical Care Medicine, Otto Wagner Spital, Vienna, Austria.
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Strandvik GF. Hypertonic saline in critical care: a review of the literature and guidelines for use in hypotensive states and raised intracranial pressure. Anaesthesia 2009; 64:990-1003. [PMID: 19686485 DOI: 10.1111/j.1365-2044.2009.05986.x] [Citation(s) in RCA: 87] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Hypertonic saline has been in clinical use for many decades. Its osmotic and volume-expanding properties make it theoretically useful for a number of indications in critical care. This literature review evaluates the use of hypertonic saline in critical care. The putative mechanism of action is presented, followed by a narrative review of its clinical usefulness in critical care. The review was conducted using the Scottish Intercollegiate Guidelines Network method for the review of cohort studies, randomised-controlled trials and meta-analyses. The review focuses specifically on blood pressure restoration and outcome benefit in both haemorrhagic and non-haemorrhagic shock, and the management of raised intracranial pressure. Issues of clinical improvement and outcome benefit are addressed. Hypertonic saline solutions are effective for blood pressure restoration in haemorrhagic, but not other, types of shock. There is no survival benefit with the use of hypertonic saline solutions in shock. Hypertonic saline solutions are effective at reducing intracranial pressure in conditions causing acute intracranial hypertension. There is no survival or outcome benefit with the use of hypertonic saline solutions for raised intracranial pressure. Recommendations for clinical use and future directions of clinical research are presented.
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Affiliation(s)
- G F Strandvik
- Anaesthesia and Intensive Care Medicine, South Eastern School of Anaesthesia, London, UK.
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MacLaren R. Management of Cirrhosis and Associated Complications. J Pharm Pract 2009. [DOI: 10.1177/0897190008328693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Liver cirrhosis is the encapsulation or replacement of injured tissue by collagen, resulting in end-stage liver disease and portal hypertension. The consequences of cirrhosis are impaired hepatocyte function, increase intrahepatic circulatory resistance, portal hypertension, and the development of hepatocellular carcinoma. Complications include encephalopathy, coagulopathy, varices, ascites, spontaneous bacterial peritonitis, epatorenal syndrome, and hepatopulmonary syndrome. Managing patients with acute or chronic liver failure is challenging, and liver failure may have profound effects on other organ systems. Most therapies are directed at managing the complications and bridging patients to liver transplantation. The clinician must be aware of the pathologic presentations and the appropriate management, including pharmacologic and nonpharmacologic therapies, goals and end points of therapy, and monitoring of therapy. This review focuses on the management of the complications directly associated with liver dysfunction (encephalopathy and coagulopathy) and portal hypertension (varices, ascites, spontaneous bacterial peritonitis, hepatorenal syndrome, hepatopulmonary syndrome).
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Affiliation(s)
- Robert MacLaren
- University of Colorado Denver, School of Pharmacy, Aurora, Colorado,
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Continuous hypertonic saline therapy and the occurrence of complications in neurocritically ill patients. Crit Care Med 2009; 37:1433-41. [PMID: 19242317 DOI: 10.1097/ccm.0b013e31819c1933] [Citation(s) in RCA: 106] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
OBJECTIVE To evaluate potential side effects of continuous hypertonic 3% saline (CHS) as maintenance fluid in patients with brain injury. METHODS Retrospective chart analysis of prospectively collected data. PATIENTS Patients admitted to the neurosurgical intensive care unit for >4 days with traumatic brain injury, stroke, or subarachnoid hemorrhage with a Glasgow Coma Scale <9 and elevated intracranial pressure (ICP) or at risk of developing elevated ICP were included. Based on physician preference, one group was treated with 3% CHS at a rate of 1.5 mL/kg/bw as maintenance fluid. The other group received 0.9% normal saline (NS). Two percent saline was used in the CHS group to wean patients off 3% CHS or when sodium was above 155. Data on serum sodium, blood urea nitrogen, creatinine, ICP, infection rate, length of stay, rates of deep vein thrombosis, and pulmonary emboli and dural thrombosis were collected prospectively. RESULTS One hundred seven patients in the CHS group and 80 in the NS group met the inclusion criteria. The incidence of moderate hypernatremia (Na >155 mmol/L) and severe hypernatremia (Na >160 mmol/L) was significantly higher in the CHS therapy group than in the NS group. No significant relationship between CHS infusion and renal dysfunction was found. Moderate and severe hypernatremia was associated with a higher risk of elevated blood urea nitrogen and creatinine levels. Acute renal failure was not seen in these patients. A total of 53.3% in the CHS group and in 16.3% in the NS group (p < 0.0001) had raised ICP (>25 mm Hg), consistent with the physicians decision to use CHS in patients with elevated ICP. CONCLUSIONS CHS therapy was not associated with an increased rate of infection, deep vein thrombosis, or renal failure. However, there was a significant risk of developing hypernatremia. We conclude that CHS administration in patients with severe injuries is safe as long as sodium levels are carefully monitored.
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