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Deem S, Diringer M, Livesay S, Treggiari MM. Hemodynamic Management in the Prevention and Treatment of Delayed Cerebral Ischemia After Aneurysmal Subarachnoid Hemorrhage. Neurocrit Care 2023; 39:81-90. [PMID: 37160848 DOI: 10.1007/s12028-023-01738-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 04/13/2023] [Indexed: 05/11/2023]
Abstract
One of the most serious complications after subarachnoid hemorrhage (SAH) is delayed cerebral ischemia, the cause of which is multifactorial. Delayed cerebral ischemia considerably worsens neurological outcome and increases the risk of death. The targets of hemodynamic management of SAH have widely changed over the past 30 years. Hypovolemia and hypotension were favored prior to the era of early aneurysmal surgery but were subsequently replaced by the use of hypervolemia and hypertension. More recently, the concept of goal-directed therapy targeting euvolemia, with or without hypertension, is gaining preference. Despite the evolving concepts and the vast literature, fundamental questions related to hemodynamic optimization and its effects on cerebral perfusion and patient outcomes remain unanswered. In this review, we explain the rationale underlying the approaches to hemodynamic management and provide guidance on contemporary strategies related to fluid administration and blood pressure and cardiac output manipulation in the management of SAH.
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Affiliation(s)
- Steven Deem
- Neurocritical Care Unit, Swedish Medical Center, Seattle, WA, USA.
| | - Michael Diringer
- Department of Neurology and Neurosurgery, Washington University in St. Louis, St. Louis, MO, USA
| | - Sarah Livesay
- Department of Anesthesiology and Pain Medicine, Harborview Medical Center, University of Washington, Seattle, WA, USA
- College of Nursing, Rush University, Chicago, IL, USA
| | - Miriam M Treggiari
- Department of Anesthesiology, Duke University Medical School, Durham, NC, USA
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Shikata E, Tamura T, Shinno K, Okayama Y, Shinohara N, Shimada K, Kanematsu Y, Kitazato KT, Nagahiro S, Takagi Y. Importance of Managing the Water-Electrolyte Balance by Delivering the Optimal Minimum Amount of Water and Sodium After Subarachnoid Hemorrhage. World Neurosurg 2019; 129:e352-e360. [PMID: 31132492 DOI: 10.1016/j.wneu.2019.05.152] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2019] [Revised: 05/15/2019] [Accepted: 05/16/2019] [Indexed: 11/26/2022]
Abstract
BACKGROUND After aneurysmal subarachnoid hemorrhage (aSAH), crystalloid fluids with a relatively high sodium concentration have been used to maintain the cerebral blood flow. However, the prophylactic delivery of water and sodium by intravenous (IV) infusion will not necessarily improve the prognosis of patients after aSAH, and the excessive supply of water and sodium can negatively affect the outcome. We hypothesized that the delivery of an optimal amount of water and sodium separately might improve the outcome after aSAH. METHODS We recruited 55 consecutive patients who had undergone clipping or endovascular coil embolization after aSAH. Group 1 (n = 33) received conventional therapy (i.e., prophylactic IV sodium and water [protocol 1]). Group 2 (n = 22) received the optimal amount of water and sodium separately (protocol 2). RESULTS The median total of water and sodium chloride supplied in group 1 was significantly greater than that supplied in group 2 (P < 0.01). The modified Rankin scale score at discharge was 0-2 in 15 patients (95%) in group 2 and 23 patients (55%) in group 1 (P < 0.001). On multivariate logistic regression analysis, the odds ratio for a discharge modified Rankin scale score of 0-2 or 3-6 was significantly associated with the treatment protocol (P < 0.05) and the net fluid balance on days 4-8 (P < 0.05). CONCLUSION The separate delivery of optimal amounts of water and sodium could be a promising therapeutic strategy to improve the prognosis after aSAH.
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Affiliation(s)
- Eiji Shikata
- Department of Neurosurgery, Tokushima University Hospital, Tokushima, Japan.
| | - Tetsuya Tamura
- Department of Neurosurgery, Tokushima Prefectural Central Hospital, Tokushima, Japan
| | - Kiyohito Shinno
- Department of Neurosurgery, Tokushima Prefectural Central Hospital, Tokushima, Japan
| | - Yoshihiro Okayama
- Clinical Trial Center for Developmental Therapeutics, Tokushima University Hospital, Tokushima, Japan
| | - Naoki Shinohara
- Department of Neurosurgery, HITO Medical Center, Ehime, Japan
| | - Kenji Shimada
- Department of Neurosurgery, Tokushima University Hospital, Tokushima, Japan
| | - Yasuhisa Kanematsu
- Department of Neurosurgery, Tokushima University Hospital, Tokushima, Japan
| | - Keiko T Kitazato
- Department of Neurosurgery, Tokushima University Hospital, Tokushima, Japan
| | - Shinji Nagahiro
- Department of Neurosurgery, Tokushima University Hospital, Tokushima, Japan
| | - Yasushi Takagi
- Department of Neurosurgery, Tokushima University Hospital, Tokushima, Japan
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Malha L, Fattah H, Modersitzki F, Goldfarb DS. Blood volume analysis as a guide for dry weight determination in chronic hemodialysis patients: a crossover study. BMC Nephrol 2019; 20:47. [PMID: 30744587 PMCID: PMC6371522 DOI: 10.1186/s12882-019-1211-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Accepted: 01/14/2019] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Volume overload and depletion both lead to high morbidity and mortality. Achieving euvolemia is a challenge in patients with end stage kidney disease on hemodialysis (HD). Blood volume analysis (BVA) uses radiolabeled albumin to determine intravascular blood volume (BV). The measured BV is compared to an ideal BV (validated in healthy controls). We hypothesized that BVA could be used in HD to evaluate the adequacy of the current clinically prescribed "estimated dry weight" (EDW) and to titrate EDW in order to improve overall volume status. We were also interested in the reproducibility of BVA results in end stage kidney disease. METHODS Twelve adults on chronic HD were recruited; 10 completed the study. BVA (Daxor, New York, NY, USA) was used to measure BV at baseline. EDW was kept the same if the patient was deemed to be euvolemic by BVA otherwise, the prescribed EDW was changed with the aim that measured BV would match ideal BV. A second BVA measurement was done 1-3 months later in order to measure BV again. RESULTS Based on BVA, 6/10 patients were euvolemic at baseline and 5/10 were euvolemic at the second measurement. When comparing patients who had their prescribed EDW changed after the initial BVA to those who did not, both groups had similar differences between measured and ideal BV (P = 0.75). BV values were unchanged at the second measurement (P = 0.34) and there was no linear correlation between BV change and weight change (r2 = 0.08). CONCLUSIONS This pilot study is the first longitudinal measurement of BVA in HD patients. It revealed that changing weight did not proportionally change intravascular BV. BV remained stable for 1-3 months. BVA may not be helpful in clinically stable HD patients but studies on patients with hemodynamic instability and uncertain volume status are needed. TRIAL REGISTRATION ClinicalTrials.gov (NCT02717533), first registered February 4, 2015.
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Affiliation(s)
- Line Malha
- Nephrology and Hypertension Division, Weill-Cornell Medicine, 424 East 70th street, New York, NY, 10021, USA
| | - Hasan Fattah
- Nephrology Division, University of Kentucky, UK Transplant Center, 740 S. Limestone, 3rd fl, suite K348, Lexington, KY, 40536, USA
| | - Frank Modersitzki
- Nephrology Section, New York Harbor VA Healthcare System, Nephrology Section/111G, 423 East. 23 St., New York, NY, 10010, USA
| | - David S Goldfarb
- Nephrology Division, NYU School of Medicine and NYU Langone Medical Center, New York University School of Medicine, 423 E. 23 St., New York, NY, USA.
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Abstract
PURPOSE OF REVIEW The acute care of a patient with severe neurological injury is organized around one relatively straightforward goal: avoid brain ischemia. A coherent strategy for fluid management in these patients has been particularly elusive, and a well considered fluid management strategy is essential for patients with critical neurological illness. RECENT FINDINGS In this review, several gaps in our collective knowledge are summarized, including a rigorous definition of volume status that can be practically measured; an understanding of how electrolyte derangements interact with therapy; a measurable endpoint against which we can titrate our patients' fluid balance; and agreement on the composition of fluid we should give in various clinical contexts. SUMMARY As the possibility grows closer that we can monitor the physiological parameters with direct relevance for neurological outcomes and the various complications associated with neurocritical illness, we may finally move away from static therapy recommendations, and toward individualized, precise therapy. Although we believe therapy should ultimately be individualized rather than standardized, it is clear that the monitoring tools and analytical methods used ought to be standardized to facilitate appropriately powered, prospective clinical outcome trials.
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Shen Y, Huang X, Hu Y, Zhang W, Huang L. Positive fluid balance is associated with increased in-hospital mortality in patients with intracerebral hemorrhage. Brain Inj 2018; 33:212-217. [PMID: 30422007 DOI: 10.1080/02699052.2018.1539870] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Objective: This study aimed to investigate the association between fluid balance (FB) and in-hospital mortality in patients with intracerebral hemorrhage (ICH).Methods: Data were extracted from the online database Multi-parameter Intelligent Monitoring in Intensive Care III. Patients were divided into two groups according to the FB status at 48 hours after intensive care unit (ICU) admission: negative and positive 48-hour FB groups. The primary outcome was in-hospital mortality.Results: Data of 1407 patients were analyzed. Linear spline function in logistic models showed significant association between the volume of positive FB and in-hospital mortality (odds ratio (OR) 1.006; 95% CI: 1.002-1.010), while the association between the volume of negative FB and in-hospital mortality was non-significant. For interpretation, FB was further divided into four quartiles. Referred to Q1, the OR of in-hospital mortality stepwise increased from Q2 (OR, 1.11; 95% CI: 0.72-1.68) to Q4 (OR, 1.68; 95% CI: 1.13-2.48). A similar association was also found between FB and Glasgow coma scale at ICU discharge.Conclusions: In patients with ICH, increased volume of positive FB was associated with higher in-hospital mortality while the volume of negative FB was not. Whether maintaining a zero FB status is a beneficial strategy needs further investigation.
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Affiliation(s)
- Yanfei Shen
- Department of Intensive Care Unit, Zhejiang Hospital, Hangzhou, P.R. China
| | - Xinmei Huang
- Department of Otolaryngology, Jinhua TCM Hospital, Jinhua, P.R. China
| | - Yongxia Hu
- Department of Intensive Care Unit, Dongyang People Hospital, Dongyang, P.R. China
| | - Weimin Zhang
- Department of Intensive Care Unit, Dongyang People Hospital, Dongyang, P.R. China
| | - Liquan Huang
- Department of Intensive Care Unit, Zhejiang Provincial Hospital of TCM, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, P.R. China
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van der Jagt M. Fluid management of the neurological patient: a concise review. CRITICAL CARE : THE OFFICIAL JOURNAL OF THE CRITICAL CARE FORUM 2016; 20:126. [PMID: 27240859 PMCID: PMC4886412 DOI: 10.1186/s13054-016-1309-2] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Maintenance fluids in critically ill brain-injured patients are part of routine critical care. Both the amounts of fluid volumes infused and the type and tonicity of maintenance fluids are relevant in understanding the impact of fluids on the pathophysiology of secondary brain injuries in these patients. In this narrative review, current evidence on routine fluid management of critically ill brain-injured patients and use of haemodynamic monitoring is summarized. Pertinent guidelines and consensus statements on fluid management for brain-injured patients are highlighted. In general, existing guidelines indicate that fluid management in these neurocritical care patients should be targeted at euvolemia using isotonic fluids. A critical appraisal is made of the available literature regarding the appropriate amount of fluids, haemodynamic monitoring and which types of fluids should be administered or avoided and a practical approach to fluid management is elaborated. Although hypovolemia is bound to contribute to secondary brain injury, some more recent data have emerged indicating the potential risks of fluid overload. However, it is acknowledged that many factors govern the relationship between fluid management and cerebral blood flow and oxygenation and more research seems warranted to optimise fluid management and improve outcomes.
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Affiliation(s)
- Mathieu van der Jagt
- Department of Intensive Care (Office H-611) and Erasmus MC Stroke Center, Erasmus Medical Center Rotterdam, P.O. Box 2040, 3000 CA, Rotterdam, The Netherlands.
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Badenes R, Bilotta F. Neurocritical care for intracranial haemorrhage: a systematic review of recent studies. Br J Anaesth 2016; 115 Suppl 2:ii68-74. [PMID: 26658203 DOI: 10.1093/bja/aev379] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Intracerebral haemorrhage (ICH) is associated with significant early mortality (up to 50% at 30 days) and long-term morbidity (with permanent neurological deficits in 75-80% of patients) and represents a serious health issue worldwide. The past decade has seen a dramatic increase in clinical research on ICH diagnosis and treatment that has led to revision of the guidelines for the diagnosis and management of ICH from the American Heart Association and American Stroke Association in 2013. This systematic review reports recent clinical evidence (original studies published between September 2013 and July 2015) related to neurocritical care and intensive care unit management of patients with ICH. All but one publication included in this review report original studies related to managment of patients with intracerebral or subarachnoid haemorrhage. These include insights on risk stratification and neurocritical care or intensive care unit treatment, management of haemodynamic variables and mechanical ventilation (goal-directed fluid therapy, advanced haemodynamic monitoring, and avoidance of hyperoxia and hyperventilation), and pharmacological neuroprotection.
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Affiliation(s)
- R Badenes
- Department Anesthesiology and Surgical-Trauma Intensive Care, Hospital Clinic Universitari de València, València, Spain
| | - F Bilotta
- Department of Anesthesiology, Critical Care and Pain Medicine, 'Sapienza' University of Rome, Rome, Italy
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