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Background: Septic shock is associated with high morbidity and mortality, the endothelium plays an important role. Crystalloids is standard of care to maintain intravascular volume. Plasma is associated with improved endothelial integrity and restoration of the glycocalyx layer. We evaluated the efficacy and safety aspects of cell‐free and pathogen inactivated pooled plasma (OctaplasLG®) as resuscitation in septic shock patients. Study Design and Methods: This randomized, investigator‐initiated phase IIa trial ran at a Danish single center intensive care unit, from 2017 to 2019. Patients were 18 years of age or older with septic shock and randomized to fluid optimization with OctaplasLG® or Ringer‐acetate in the first 24 h. The primary endpoints were changes in biomarkers indicative of endothelial activation, damage, and microvascular perfusion from baseline to 24 h. Safety events and mortality were assessed during 90 days. Results: Forty‐four patients were randomized, 20 to OctaplasLG versus 24 to Ringer‐acetate. The median age was 69, and 55% were men. Median Sequential Organ Failure Assessment score was 13. Baseline differences favoring the Ringer‐acetate group were observed. The OctaplasLG® group was resuscitated with 740 mL plasma and the Ringer‐acetate group with 841 mL crystalloids. There was no significant change in the microvascular perfusion or five biomarkers except VEGFR1 change, which was higher in patients receiving OctaplasLG® 0.12(SD 0.37) versus Ringer‐acetate −0.24 (SD 0.39), with mean difference 0.36 (95% CI, 0.13–0.59, p =.003) in favor of Ringer‐acetate. Discussion: This study found that fluid resuscitation with OctaplasLG® in critically ill septic shock patients is feasible. Baseline confounding prevented assessment of the potential effect of OctaplasLG®. [ABSTRACT FROM AUTHOR]

Abstract Background The aim of this study was to evaluate colloids and crystalloids used in perioperative fluid therapy for cardiac surgery patients to further investigate the optimal management strategies of different solutions. Method RCTs about adult surgical patients allocated to receive perioperative fluid therapy for electronic databases, including Ovid MEDLINE, EMBase, and Cochrane Central Register of Controlled Trials, were searched up to February 15, 2023. Results None of the results based on network comparisons, including mortality, transfuse PLA, postoperative chest tube output over the first 24 h following surgery, and length of hospital stay, were statistically significant. Due to the small number of included studies, the results, including acute kidney injury, serum creatinine, serum microglobulin, and blood urea nitrogen, are from the direct comparison. For transfusion of RBCs, significant differences were observed in the comparisons of 3% gelatine vs. 6% HES 200/0.5, 4% albumin vs. 5% albumin, 4% gelatine vs. 5% albumin, 5% albumin vs. 6% HES 200/0.5, and 6% HES 130/0.4 vs. 6% HES 200/0.5. In transfusion of FFP, significant differences were observed in comparisons of 3% gelatine vs. 4% gelatine, 3% gelatine vs. 6% HES 200/0.5, 5% albumin vs. 6% HES 200/0.5, 4% gelatine vs. 5% albumin, 4% gelatine vs. 6% HES 200/0.4, and 6% HES 130/0.4 vs. 6% HES 200/0.5. For urinary output at 24 h after surgery, the results are deposited in the main text. Conclusion This study showed that 3% gelatin and 5% albumin can reduce the transfuse RBC and FFP. In addition, the use of hypertonic saline solution can increase urine output, and 5% albumin and 6% HES can shorten the length of ICU stay. However, none of the perioperative fluids showed an objective advantage in various outcomes, including mortality, transfuse PLA, postoperative chest tube output over the first 24 h following surgery, and length of hospital stay. The reliable and sufficient evidences on the injury of the kidney, including acute kidney injury, serum creatinine, serum microglobulin, and blood urea nitrogen, was still lacking. In general, perioperative fluids had advantages and disadvantages, and there were no evidences to support the recommendation of the optimal perioperative fluid for cardiac surgery.

Background: Tyrosine-rich or tyrosine-like crystalloids (TC) were initially described in salivary gland pleomorphic adenoma. The presence of TC in non-neoplastic tissues is rare, and it has been reported exclusively in the larynx. This study aims to characterize the frequency and anatomical localization of TC in total laryngectomy specimens. Methods: Review of consecutive laryngectomy specimens in which the cassette summary documented parasagittal section sampling of the right and left vocal folds and the anterior commissure. Data collected included patient demographics, underlying diagnoses, history of radiation therapy, presence, and location of TC. Results: Of 86 laryngectomy specimens, 16 (19%) contained amphophilic to eosinophilic TC. The study cohort included 11 males and 5 females, aged 37 to 85 years (mean 62, median 63). Laryngectomy surgery was performed for advanced untreated squamous cell carcinoma (SCCa) (7/16, 43.75%), recurrent post-treatment SCCa (7/16, 43.75%), previously untreated laryngeal large cell neuroendocrine carcinoma (1/16, 6.25%), and non-functional larynx post-chemoradiation (1/16, 6.25%). According to the macroscopic cassette summary, TC were predominantly found in the anterior commissure Sect. (13/16, 81.25%), with fewer cases in sections containing the left (2/16, 12.5%) or the right (1/16, 6.25%) vocal folds. Microscopically, TC localized to the anterior macula flava and/or adjacent vocal ligament (12/16, 75%) and the anterior commissure tendon (4/16, 25%). Conclusions: TCs are predominantly reported as admixed with a neoplasm, however this study confirms that TC can also occur in non-neoplastic tissues of the larynx. There was no clear relationship between the presence of TC and prior radiation therapy. TC in the specialized connective tissues of the macula flava and true cord tendinous insertions distinct from tumor may form in response to alterations in mechanical stress, though an age-related change within the spectrum of normal laryngeal microanatomy also remains a possibility. [ABSTRACT FROM AUTHOR]

Background: The aim of this study was to evaluate colloids and crystalloids used in perioperative fluid therapy for cardiac surgery patients to further investigate the optimal management strategies of different solutions. Method: RCTs about adult surgical patients allocated to receive perioperative fluid therapy for electronic databases, including Ovid MEDLINE, EMBase, and Cochrane Central Register of Controlled Trials, were searched up to February 15, 2023. Results: None of the results based on network comparisons, including mortality, transfuse PLA, postoperative chest tube output over the first 24 h following surgery, and length of hospital stay, were statistically significant. Due to the small number of included studies, the results, including acute kidney injury, serum creatinine, serum microglobulin, and blood urea nitrogen, are from the direct comparison. For transfusion of RBCs, significant differences were observed in the comparisons of 3% gelatine vs. 6% HES 200/0.5, 4% albumin vs. 5% albumin, 4% gelatine vs. 5% albumin, 5% albumin vs. 6% HES 200/0.5, and 6% HES 130/0.4 vs. 6% HES 200/0.5. In transfusion of FFP, significant differences were observed in comparisons of 3% gelatine vs. 4% gelatine, 3% gelatine vs. 6% HES 200/0.5, 5% albumin vs. 6% HES 200/0.5, 4% gelatine vs. 5% albumin, 4% gelatine vs. 6% HES 200/0.4, and 6% HES 130/0.4 vs. 6% HES 200/0.5. For urinary output at 24 h after surgery, the results are deposited in the main text. Conclusion: This study showed that 3% gelatin and 5% albumin can reduce the transfuse RBC and FFP. In addition, the use of hypertonic saline solution can increase urine output, and 5% albumin and 6% HES can shorten the length of ICU stay. However, none of the perioperative fluids showed an objective advantage in various outcomes, including mortality, transfuse PLA, postoperative chest tube output over the first 24 h following surgery, and length of hospital stay. The reliable and sufficient evidences on the injury of the kidney, including acute kidney injury, serum creatinine, serum microglobulin, and blood urea nitrogen, was still lacking. In general, perioperative fluids had advantages and disadvantages, and there were no evidences to support the recommendation of the optimal perioperative fluid for cardiac surgery. [ABSTRACT FROM AUTHOR]

Abstract Background Pulmonary function is impaired after major abdominal surgery and might be less impaired by restrictive fluid administration. Under the assumption of a fluid-sparing effect of colloids, we tested the hypothesis that an intraoperative colloid-based goal-directed fluid management strategy impairs postoperative pulmonary function parameters less compared to goal-directed crystalloid administration. Methods We performed a preplanned, single-center substudy within a recently published trial evaluating the effect of goal-directed crystalloids versus colloids on a composite of major complications. Sixty patients undergoing major open abdominal surgery were randomized to Doppler-guided intraoperative fluid replacement therapy with lactated Ringer’s solution (n = 31) or unbalanced 6% hydroxyethyl starch 130/0.4 (n = 29). A blinded investigator performed bedside spirometry (Spirobank-G, Medical International Research, Rome, Italy) preoperatively as well as 6, 24, and 48 h postoperatively. Results Median total intraoperative fluid requirements were significantly higher during crystalloid administration compared to patients receiving colloids (4567 ml vs. 3044 ml, p = 0.01). Six hours after surgery, pulmonary function parameters did not differ significantly between the crystalloid — and the colloid group: forced vital capacity (FVC): 1.6 l (1.2–2 l) vs. 1.9 l (1.5–2.4 l), p = 0.15; forced expiratory volume in 1 second (FEV1): 1.1 l (0.9–1.6 l) vs. 1.4 l (1.2–1.7 l), p = 0.18; and peak expiratory flow (PEF): 2 l.sec−1 (1.5 – 3.6 l.sec −1) vs. 2.3 l.sec −1 (1.8 – 3.4 l.sec −1), p = 0.23. Moreover, postoperative longitudinal time × group interactions of FVC, FEV1, and PEF between 6 and 48 postoperative hours did not differ significantly. Conclusion Postoperative pulmonary function parameters were similarly impaired in patients receiving goal-directed crystalloid administration as compared to goal-directed colloid administration during open abdominal surgery. Trial registration ClinicalTrials.gov ( NCT00517127 , registered on August 16, 2007) and EudraCT (2005-004602-86).

Abstract Background Intravenous fluid administration is regarded as a universal therapy in critical care. It is the mainstay of treatment in patients with dehydration, blood loss, sepsis, electrolyte imbalance, and shock. Crystalloids (for example, normal saline, lactated Ringer’s, Hartmann’s, Normosol, Isolyte, and PlasmaLyte solutions) and colloids (for example, albumin, or synthetic dextrans, gelatins, and starches) are the two types of commonly used IV fluids. Main text Resuscitation, replacement, and maintenance are the three main indications for intravenous fluid administration. Despite their widespread use, there is no standard therapeutic dose for IV fluids and clinicians are less familiar with the indications to stop IV fluid administration. Appropriate fluid management to maintain tissue perfusion while avoiding potentially harmful effects of IV fluid administration such as fluid overloading, metabolic acidosis, acute kidney injury, and electrolyte imbalance should be the core principle of treatment. Conclusion This review will focus on the role of different types of intravenous fluid in critically ill patients, including their side effects and applications in various types of shock.

Volume resuscitation is often required in critically ill patients. However, we have no clear consensus on the choice between crystalloid solution and colloidal solution. This study aimed to explore the effect of albumin administration in massive fluid resuscitation. This was a retrospective cohort study based on the Medical Information Mart for Intensive Care IV (MIMIC-IV) database (2008 and 2019). The prognosis of patients receiving albumin in combination with crystalloids and those receiving crystalloids alone was compared to assess the benefits of albumin in fluid resuscitation. 4426 patients received crystalloids alone (crystalloids group), 692 patients received albumin in combination with crystalloids within the first 24 h of initiation of crystalloids (early albumin combination group), and 382 patients received albumin after the first 24 h (late albumin combination group). Patients in early albumin combination group were more severe than those in Crystalloids group. Nevertheless, we found no statistically significant difference in mortality between the two groups. Multivariate logistic regression analysis using the propensity-score matched cohort showed that the 28-day and 60-day mortality in the early albumin combination group were lower than those in the crystalloids group (odds ratio: 0.64 [95% CI 0.50–0.82; P < 0.001] and 0.71 [95% CI 0.56–0.90; P = 0.004], respectively. Patients in early albumin combination group lived, on average, 1.16 days (95% CI 0.33–2.00; P < 0.01) and 3.3 days (95% CI 1.15–5.44; P < 0.01) longer than the crystalloids group during 28-day follow-up and 60-day follow-up. Administration of albumin within 24 h after the initiation of crystalloids was associated with a lower mortality and a longer restricted mean survival time during 28-day follow-up and 60-day follow-up compared with crystalloid infusion alone. However, administration of albumin 24 h after the initiation of crystalloids was not associated with better prognosis compared to crystalloid infusion alone. • Early administration of albumin in combination with crystalloids improved 28-day survival in high-volume resuscitation. • The first 24 h is the optimal time window to administer albumin in combination with crystalloids in these patients. • Early administration of albumin in combination with crystalloids prolonged restricted mean survival time. [ABSTRACT FROM AUTHOR]

Background: Pulmonary function is impaired after major abdominal surgery and might be less impaired by restrictive fluid administration. Under the assumption of a fluid-sparing effect of colloids, we tested the hypothesis that an intraoperative colloid-based goal-directed fluid management strategy impairs postoperative pulmonary function parameters less compared to goal-directed crystalloid administration. Methods: We performed a preplanned, single-center substudy within a recently published trial evaluating the effect of goal-directed crystalloids versus colloids on a composite of major complications. Sixty patients undergoing major open abdominal surgery were randomized to Doppler-guided intraoperative fluid replacement therapy with lactated Ringer's solution (n = 31) or unbalanced 6% hydroxyethyl starch 130/0.4 (n = 29). A blinded investigator performed bedside spirometry (Spirobank-G, Medical International Research, Rome, Italy) preoperatively as well as 6, 24, and 48 h postoperatively. Results: Median total intraoperative fluid requirements were significantly higher during crystalloid administration compared to patients receiving colloids (4567 ml vs. 3044 ml, p = 0.01). Six hours after surgery, pulmonary function parameters did not differ significantly between the crystalloid — and the colloid group: forced vital capacity (FVC): 1.6 l (1.2–2 l) vs. 1.9 l (1.5–2.4 l), p = 0.15; forced expiratory volume in 1 second (FEV1): 1.1 l (0.9–1.6 l) vs. 1.4 l (1.2–1.7 l), p = 0.18; and peak expiratory flow (PEF): 2 l.sec−1 (1.5 – 3.6 l.sec −1) vs. 2.3 l.sec −1 (1.8 – 3.4 l.sec −1), p = 0.23. Moreover, postoperative longitudinal time × group interactions of FVC, FEV1, and PEF between 6 and 48 postoperative hours did not differ significantly. Conclusion: Postoperative pulmonary function parameters were similarly impaired in patients receiving goal-directed crystalloid administration as compared to goal-directed colloid administration during open abdominal surgery. Trial registration: ClinicalTrials.gov (NCT00517127, registered on August 16, 2007) and EudraCT (2005-004602-86). [ABSTRACT FROM AUTHOR]

Background: Intravenous fluid administration is regarded as a universal therapy in critical care. It is the mainstay of treatment in patients with dehydration, blood loss, sepsis, electrolyte imbalance, and shock. Crystalloids (for example, normal saline, lactated Ringer's, Hartmann's, Normosol, Isolyte, and PlasmaLyte solutions) and colloids (for example, albumin, or synthetic dextrans, gelatins, and starches) are the two types of commonly used IV fluids. Main text: Resuscitation, replacement, and maintenance are the three main indications for intravenous fluid administration. Despite their widespread use, there is no standard therapeutic dose for IV fluids and clinicians are less familiar with the indications to stop IV fluid administration. Appropriate fluid management to maintain tissue perfusion while avoiding potentially harmful effects of IV fluid administration such as fluid overloading, metabolic acidosis, acute kidney injury, and electrolyte imbalance should be the core principle of treatment. Conclusion: This review will focus on the role of different types of intravenous fluid in critically ill patients, including their side effects and applications in various types of shock. [ABSTRACT FROM AUTHOR]

Introduction: Fluid resuscitation has long been a cornerstone of pre-hospital trauma care, yet its optimal approach remains undetermined. Although a liberal approach to fluid resuscitation has been linked with increased complications, the potential survival benefits of a restrictive approach in blunt trauma patients have not been definitively established. Consequently, equipoise persists regarding the optimal fluid resuscitation strategy in this population. Methods: We analysed data from the two largest European trauma registries, the UK Trauma Audit and Research Network (TARN) and the German TraumaRegister DGU® (TR-DGU), between 2004 and 2018. All adult blunt trauma patients with an Injury Severity Score > 15 were included. We examined annual trends in pre-hospital fluid resuscitation, admission coagulation function, and mortality rates. Results: Over the 15-year study period, data from 68,510 patients in the TARN cohort and 82,551 patients in the TR-DGU cohort were analysed. In the TARN cohort, 3.4% patients received pre-hospital crystalloid fluids, with a median volume of 25 ml (20–36 ml) administered. Conversely, in the TR-DGU cohort, 91.1% patients received pre-hospital crystalloid fluids, with a median volume of 756 ml (750–912 ml) administered. Notably, both cohorts demonstrated a consistent year-on-year decrease in the volume of pre-hospital fluid administered, accompanied by improvements in admission coagulation function and reduced mortality rates. Conclusion: Considerable variability exists in pre-hospital fluid resuscitation strategies for blunt trauma patients. Our data suggest a trend towards reduced pre-hospital fluid administration over time. This trend appears to be associated with improved coagulation function and decreased mortality rates. However, we acknowledge that these outcomes are influenced by multiple factors, including other improvements in pre-hospital care over time. Future research should aim to identify which trauma populations may benefit, be harmed, or remain unaffected by different pre-hospital fluid resuscitation strategies. [ABSTRACT FROM AUTHOR]

To assess the efficacy and safety of albumin as pump priming fluid in cardiac surgery. Meta-analysis of randomized controlled trials. Each study was conducted in a surgical center or intensive care unit. Adult and pediatric patients undergoing cardiac surgery with cardiopulmonary bypass who received circuit priming fluids. Extracorporeal circuit priming with either albumin or crystalloid. Fourteen eligible randomized controlled trials with 741 patients were included in the present meta-analysis. Albumin prime had lower bleeding (CI –202.20 to –142.88 mL, p < 0.00001) and showed a greater advantage in preserving platelet counts (CI 14.85-21.48 × 103 mm−3, p < 0.00001), maintaining colloid osmotic pressure and sustaining negative fluid balance. No significant differences were found in the remaining study outcomes. Albumin was shown to be safe and efficacious in extracorporeal circulation perfusion. However, its clinical advantages were not clearly highlighted, as there were no significant differences in the number of deaths, length of hospital stay, or intensive care unit duration. The results should be interpreted cautiously, as most included studies were small in scale, and the total number of participants was limited. [ABSTRACT FROM AUTHOR]

Abstract Although effective and appropriate fluid management is a critical aspect of quality care during hospitalization, the widespread adoption of consistent policies that ensure adequate fluid stewardship has been slow and heterogenous. Despite evidence-based guidelines on fluid management being available, clinical opinions continue to diverge on important aspects of care in this setting, and the consistency of guideline implementation is far from ideal. A multidisciplinary panel of leading practitioners and experts convened to discuss best practices for ongoing staff education, intravenous fluid therapy, new training technologies, and strategies to track the success of institutional fluid stewardship efforts. Fluid leads should be identified in every hospital to ensure consistency in fluid administration and monitoring. In this article, strategies to communicate the importance of effective fluid stewardship for the purposes of education, training, institutional support, and improvement of patient outcomes are reviewed and recommendations are summarized. Graphical Abstract

Although effective and appropriate fluid management is a critical aspect of quality care during hospitalization, the widespread adoption of consistent policies that ensure adequate fluid stewardship has been slow and heterogenous. Despite evidence-based guidelines on fluid management being available, clinical opinions continue to diverge on important aspects of care in this setting, and the consistency of guideline implementation is far from ideal. A multidisciplinary panel of leading practitioners and experts convened to discuss best practices for ongoing staff education, intravenous fluid therapy, new training technologies, and strategies to track the success of institutional fluid stewardship efforts. Fluid leads should be identified in every hospital to ensure consistency in fluid administration and monitoring. In this article, strategies to communicate the importance of effective fluid stewardship for the purposes of education, training, institutional support, and improvement of patient outcomes are reviewed and recommendations are summarized. [ABSTRACT FROM AUTHOR]

Sepsis is a clinical syndrome encompassing physiologic and biological abnormalities caused by a dysregulated host response to infection. Sepsis progression into septic shock is associated with a dramatic increase in mortality, hence the importance of early identification and treatment. Over the last two decades, the definition of sepsis has evolved to improve early sepsis recognition and screening, standardize the terms used to describe sepsis and highlight its association with organ dysfunction and higher mortality. The early 2000s witnessed the birth of early goal-directed therapy (EGDT), which showed a dramatic reduction in mortality leading to its wide adoption, and the surviving sepsis campaign (SSC), which has been instrumental in developing and updating sepsis guidelines over the last 20 years. Outside of early fluid resuscitation and antibiotic therapy, sepsis management has transitioned to a less aggressive approach over the last few years, shying away from routine mixed venous oxygen saturation and central venous pressure monitoring and excessive fluids resuscitation, inotropes use, and red blood cell transfusions. Peripheral vasopressor use was deemed safe and is rising, and resuscitation with balanced crystalloids and a restrictive fluid strategy was explored. This review will address some of sepsis management's most important yet controversial components and summarize the available evidence from the last two decades. [ABSTRACT FROM AUTHOR]

Due to the disparity in oxygen uptake and utilization, unchecked systemic inflammation syndrome can lead to critical sepsis or even septic shock. Fluid therapy is used in the Intensive Care Units to increase blood volume. However, there's ongoing discussion about the choice of fluid and the optimal timing of using it. Fluid management in septic shock patients is intricate and while certain protocols are widespread, their effectiveness isn't uniformly backed by studies. This research seeks to provide fresh insights into the early use of fluids for septic shock resuscitation. [ABSTRACT FROM AUTHOR]

This study was undertaken to evaluate the prescribing practice of albumin in the intensive care unit (ICU) and to compare the clinical and economic outcomes associated with intravenous (IV) albumin compared to crystalloids in the ICU. This was a retrospective cohort study of ICU adult patients admitted to King Abdullah University Hospital during 2018–2019. Patient demographics, clinical characteristics, and admission charges were retrieved from medical records and billing system. Survival analysis, multivariable regression models, and propensity score matching estimator were performed to evaluate the impact of IV resuscitation fluid types on the clinical and economic outcomes. Albumin administration in the ICU was associated with significantly lower hazards of ICU death (HR = 0.57; P value <0.001), but without improving overall death probability compared to crystalloids. Albumin was associated with significant prolongation in the ICU length of stay (5.86 days; P value <0.001). Only 88 patients (24.3%) were prescribed albumin for Food and Drug Administration (FDA)-approved indications. Admission charges were significantly higher for patients treated with albumin (p value <0.001). IV Albumin use in the ICU was not associated with significant improvement in clinical outcomes, but with a remarkable increase in economic burden. The majority of patients received albumin for non-FDA-approved indications. [ABSTRACT FROM AUTHOR]

The administration of fluids is one of the most common interventions in the intensive care unit. The effects and side effects of intravenous fluids depend on the amount administered and their specific composition. Intravenous fluid solutions are either considered crystalloids (for example 0.9% saline, lactated Ringer's solution) or colloids (artificial colloids such as gelatins, and albumin). This narrative review summarizes the physiological principles of fluid therapy and reviews the most important studies on crystalloids, artificial colloids and albumin in the context of critically ill patients. [ABSTRACT FROM AUTHOR]

The objective: to determine principles of intraoperative infusion therapy in patients with morbid obesity under the control of volemic status.Methods: a prospective randomized study was conducted in 60 patients with BMI of 45.57 (40.01; 48.65) kg/m2 who underwent laparoscopic gastric resection under combined anesthesia based on low-flow desflurane inhalation in combination with prolonged epidural analgesia with ropivacaine. Patients were allowed to consume 200 ml of clear liquid 3 hours before the surgery, and solid foods 6 hours before surgery. Patients were divided into 2 groups (n = 30) depending on the composition of infusion therapy: colloids (gelatin solution) were used in Group 1 with balanced crystalloids in a ratio of 1:1-1.5, balanced crystalloid solutions were used in Group 2. The following parameters were studied: hemodynamics, water sector distribution index (IRVS), hemoglobin, hematocrit, potassium ions, sodium, creatinine, lactate, and CBS. A PLR test was performed intraoperatively.Results. It was revealed that the patients had an uneven distribution between water sectors with shortage of fluid in the intravascular bed, as evidenced by a positive PLR test, as well as low IRVS. When conducting targeted infusion therapy in Group 1, a smaller volume of infusion solutions was used, however, that made it possible to achieve stabilization of hemodynamic parameters due to redistribution of water sectors, which was also evidenced by changes in laboratory parameters.Conclusion. Obese patients have intravascular fluid deficiency due to uneven distribution between water sectors. The inclusion of a colloidal plasma substitute to the infusion therapy contributes to the elimination of hypovolemia and reduces the volume of transfused media.

Cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) can significantly influence overall and disease-free survival in selected patients suffering from peritoneal surface malignancies (PSMs). We report here the anaesthetic management of a 52 year old patient of Ca Colon with secondary ovarian and peritoneal deposits. She underwent cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) with curative intent. The advent of CRS/HIPEC gives a promising alternative to conventional treatment modalities but comes with numerous challenges to the anesthesiologist—in view of the metabolic and hemodynamic adjustments—and demands training.

Abstract Background The extracellular volume (ECV) and intracellular volume (ICV) estimated by bioimpedance analysis (BIA) deviates markedly from the textbook volumes of 20% and 40% of the body weight (BW). We estimated the transcellular exchange of water by calculating solute equilibriums after fluid challenges to examine whether the BIA or the textbook volumes are likely to be most correct. Methods Data was retrieved from 8 healthy male volunteers who received 25 mL/kg of Ringer’s solution or 3–5 mL/kg of hypertonic (7.5%) saline over 30 min after the ECV and ICV had been estimated by BIA. The exchange of water between the ECV and the ICV was calculated according to a sodium equation and an osmolality equation. Simulations were performed, where deviating body fluid volumes were applied. Results The mean ECV measured with BIA was 24.9% of BW (p

Sepsis is a clinical syndrome encompassing physiologic and biological abnormalities caused by a dysregulated host response to infection. Sepsis progression into septic shock is associated with a dramatic increase in mortality, hence the importance of early identification and treatment. Over the last two decades, the definition of sepsis has evolved to improve early sepsis recognition and screening, standardize the terms used to describe sepsis and highlight its association with organ dysfunction and higher mortality. The early 2000s witnessed the birth of early goal-directed therapy (EGDT), which showed a dramatic reduction in mortality leading to its wide adoption, and the surviving sepsis campaign (SSC), which has been instrumental in developing and updating sepsis guidelines over the last 20 years. Outside of early fluid resuscitation and antibiotic therapy, sepsis management has transitioned to a less aggressive approach over the last few years, shying away from routine mixed venous oxygen saturation and central venous pressure monitoring and excessive fluids resuscitation, inotropes use, and red blood cell transfusions. Peripheral vasopressor use was deemed safe and is rising, and resuscitation with balanced crystalloids and a restrictive fluid strategy was explored. This review will address some of sepsis management’s most important yet controversial components and summarize the available evidence from the last two decades.

Intravenous administration of crystalloid or colloid solutions is the most common intervention for correcting hypovolemia in intensive care unit patients. In critical illness, especially sepsis and severe trauma, vascular wall permeability increases, and trans-endothelial escape of serum albumin, the major oncotic plasma constituent, contributes to the development of hypoalbuminemia and edema formation. The volume effects of intravenous human albumin solution exceed those of crystalloid solutions. If hypoalbuminemia is an effect moderator, the crystalloid-to-albumin ratio of fluid resuscitation volumes is not well characterized. Randomized controlled trials have confirmed that intravenous administration of human albumin solutions for volume resuscitation results in a lower net fluid balance compared with crystalloids, and smaller infusion volumes may be sufficient for hemodynamic stabilization when human albumin solutions are used. This narrative review summarizes the current evidence and conclusions drawn regarding the role of hypoalbuminemia in volume resuscitation. In the 'Saline versus Albumin Fluid Evaluation' study using 4% human albumin solution or saline, the saline-to-albumin ratio of study fluids was significantly higher in patients with baseline serum albumin concentrations of 25 g/L or less as compared to patients with baseline serum albumin concentrations of more than 25 g/L. In patients receiving renal replacement therapy, intravenous administration of 20–25% human albumin solution reduces intradialytic hypotension and improves fluid removal better than saline if serum albumin levels are similarly reduced. These data suggest that hypoalbuminemia acts as an effect moderator in volume resuscitation and plasma expansion with albumin solution. The volume effectiveness of intravenous human albumin solution in resuscitation appears to be greater when the serum albumin levels are low. In clinical situations, serum albumin concentrations per se may inform when and how to include intravenous albumin in fluid resuscitation if large amounts of crystalloids are needed, which requires further studies. [ABSTRACT FROM AUTHOR]

Introduction: Blood transfusion remains the cornerstone of managing volume depletion and blood loss during surgeries. There are always patients and situations which clearly benefit from blood transfusion intraoperatively. Crystalloids and colloids cannot replace blood, as a substitute when the patient's oxygen carrying capacity has been compromised. Anaemia in acute and chronic conditions is associated with increased risk of morbidity and mortality. Thus, blood transfusion has a very important role in the perioperative management of the patient. Aim: To ascertain the common indications for which anaesthesiologists start perioperative blood transfusion, the rates of intraoperative overtransfusion, and to assess the variation in the blood transfusion practices at the study Institution from standard guidelines. Materials and Methods: A prospective cross-sectional study was conducted on 168 patients patients operated at Seth G.S. Medical College and KEM Hospital, Mumbai, Maharashtra, India, from February 2017 to July 2017. The patients were adult American Society of Anaesthesiologists Physical Status (ASA-PS) I and II, undergoing elective surgeries and required transfused blood intraoperatively. Operating room anaesthesiologists completed a record form for each of the patient. The form included details of the patient like age, gender, weight, type and duration of surgery, preoperative haemoglobin (done within 48 hours preoperatively), intraoperative blood loss, fluids and blood, and blood products transfused intraoperatively. The postoperative Haemoglobin (Hb) levels (done between 6 hours-24 hours postoperatively) were also recorded. Results: The study showed that, 76 out of the 168 (45.2%) patients, who were transfused blood intraoperatively had been overtransfused, i.e., their postoperative Hb values were more than 10 g/dL. Blood loss was the sole indication for transfusion in 41 out of 168 (24.4%) patients. Blood was transfused in patients with low preoperative Hb in 21/168 (12.5%) patients, while it was done on surgeon's request in 13/168 (7.7%) cases. Pallor, hypovolaemia and haemodynamic instability as sole indications included only 4.8%, 2.4% and 1.2% cases, respectively. Conclusion: The present study revealed that a significant number (45.2%) of patients were overtransfused. A wide variation exists from the standard guidelines among anaesthesiologists. Implementation of restrictive transfusion strategies and a protocol-based intraoperative transfusion is required to optimise patient outcome. [ABSTRACT FROM AUTHOR]

Many crystals and crystal‐like structures may be encountered in cytopathology practice and can represent both beautiful novelties and diagnostic aids. The authors present an organ‐specific review of the published literature on crystals combined with personal experiences. The purpose is not only to serve as a reference guide by highlighting the clinical and morphologic features of crystals, crystalloids, and crystal‐like structures but also to review their significance and to offer reporting strategies in cases that bear management implications. Presented is an organ specific review of crystals, crystalloids, and crystal‐like structures. This review not only highlights their clinical and morphologic features but also their significance, particularly as potential diagnostic aids. [ABSTRACT FROM AUTHOR]

Background: General pathophysiological mechanisms regarding associations between fluid administration and intra-abdominal hypertension (IAH) are evident, but specific effects of type, amount, and timing of fluids are less clear. Objectives: This review aims to summarize current knowledge on associations between fluid administration and intra-abdominal pressure (IAP) and fluid management in patients at risk of intra-abdominal hypertension and abdominal compartment syndrome (ACS). Methods: We performed a structured literature search from 1950 until May 2021 to identify evidence of associations between fluid management and intra-abdominal pressure not limited to any specific study or patient population. Findings were summarized based on the following information: general concepts of fluid management, physiology of fluid movement in patients with intra-abdominal hypertension, and data on associations between fluid administration and IAH. Results: We identified three randomized controlled trials (RCTs), 38 prospective observational studies, 29 retrospective studies, 18 case reports in adults, two observational studies and 10 case reports in children, and three animal studies that addressed associations between fluid administration and IAH. Associations between fluid resuscitation and IAH were confirmed in most studies. Fluid resuscitation contributes to the development of IAH. However, patients with IAH receive more fluids to manage the effect of IAH on other organ systems, thereby causing a vicious cycle. Timing and approach to de-resuscitation are of utmost importance, but clear indicators to guide this decision-making process are lacking. In selected cases, only surgical decompression of the abdomen can stop deterioration and prevent further morbidity and mortality. Conclusions: Current evidence confirms an association between fluid resuscitation and secondary IAH, but optimal fluid management strategies for patients with IAH remain controversial. [ABSTRACT FROM AUTHOR]

Objectives: To estimate the use of albumin among adults undergoing thoracic surgery in the United States, compare baseline characteristics, clinical and cost outcomes of recipients versus nonrecipients, and determine albumin's contribution to total hospital costs., Design: Retrospective cohort study., Setting: Nationwide sample of US hospitals., Participants: Adults undergoing open and minimally invasive thoracic surgery between 2011 and 2017., Interventions: Albumin on the day of surgery (identified using itemized hospital billing logs)., Measurements and Main Results: Albumin was used in 170 of 342 US hospitals, among 13% and 7% of 14,672 and 22,532 patients who, respectively, underwent open and minimally invasive thoracic surgery (median volume 500 mL). Baseline comorbidities and organ-supportive treatments were several-fold more prevalent among recipients (particularly vasopressors, mechanical ventilation, and red cell transfusions). In standardized mortality ratio propensity score weighted analysis, albumin use was not associated with in-hospital mortality (adjusted relative risk 1.17 [0.72, 1.92] and 1.51 [0.97, 2.34], with open and minimally invasive procedures), but was associated with morbidity and higher costs, more so with minimally invasive procedures than with open surgery. Total costs among recipients were higher by $4,744 ($3,591, $5,897) and $5,088 ($4,075, $6,100) for open and minimally invasive procedures, respectively. Albumin accounted for 2.6% of this difference (median $124 [$83-$189] per patient)., Conclusions: Albumin use varies widely across hospitals, and 9% of patients receive it (median 500 mL). Use was not associated with in-hospital mortality and was associated with more morbidity and cost. The cost of albumin accounted for a trivial portion of hospital costs. Clinical trials must examine the effects of albumin on complications and costs after thoracic surgery., Competing Interests: Declaration of competing interest K.R. is a consultant for Grifols North America, a major supplier of Human-Derived Albumin. This study was conducted via a Cooperative Research and Development Agreement between Grifols and the nonprofit corporation affiliated with the Durham VA Medical Center (the Institute for Medical Research, Durham, NC). All other authors have no relevant disclosures to report., (Copyright © 2024 Elsevier Inc. All rights reserved.)

Background: Hydroxyethyl starch solutions which have been introduced some three decades ago, have been extensively used for treatment of intraoperative hypovolaemia. Aims and Objectives: The present prospective study was conducted to study changes in post-operative renal function and coagulation profile in patients undergoing orthopedic hip surgery under spinal anesthesia after coloading with 6% HES 130/0.4. Materials and Methods: Seventy patients, aged between 50 and 80 years, of either sex, belonging to ASA physical Status I and II, scheduled for orthopedic hip surgery under spinal anesthesia were included in the study. As per the group allocation, coloading was done with 7.5 mlkg-1 of either Group RL or 6% 130/0.4 Group HES during the 1st h of surgery. Venous samples were withdrawn before the day of surgery, on the day of surgery, and on the 3rd day of surgery. Results: No statistically significant difference between renal and coagulation profile was found among groups. Conclusion: Thus, we recommend using tetrastarch (6% HES 130/0.4) for intraoperative hypovolemia in elderly patients with normal renal function and coagulation profile undergoing orthopedic hip surgery.

Introduction: Blood transfusion remains the cornerstone of managing volume depletion and blood loss during surgeries. There are always patients and situations which clearly benefit from blood transfusion intraoperatively. Crystalloids and colloids cannot replace blood, as a substitute when the patient’s oxygen carrying capacity has been compromised. Anaemia in acute and chronic conditions is associated with increased risk of morbidity and mortality. Thus, blood transfusion has a very important role in the perioperative management of the patient. Aim: To ascertain the common indications for which anaesthesiologists start perioperative blood transfusion, the rates of intraoperative overtransfusion, and to assess the variation in the blood transfusion practices at the study Institution from standard guidelines. Materials and Methods: A prospective cross-sectional study was conducted on 168 patients patients operated at Seth G.S. Medical College and KEM Hospital, Mumbai, Maharashtra, India, from February 2017 to July 2017. The patients were adult American Society of Anaesthesiologists Physical Status (ASA-PS) I and II, undergoing elective surgeries and required transfused blood intraoperatively. Operating room anaesthesiologists completed a record form for each of the patient. The form included details of the patient like age, gender, weight, type and duration of surgery, preoperative haemoglobin (done within 48 hours preoperatively), intraoperative blood loss, fluids and blood, and blood products transfused intraoperatively. The postoperative Haemoglobin (Hb) levels (done between 6 hours-24 hours postoperatively) were also recorded. Results: The study showed that, 76 out of the 168 (45.2%) patients, who were transfused blood intraoperatively had been overtransfused, i.e., their postoperative Hb values were more than 10 g/dL. Blood loss was the sole indication for transfusion in 41 out of 168 (24.4%) patients. Blood was transfused in patients with low preoperative Hb in 21/168 (12.5%) patients, while it was done on surgeon’s request in 13/168 (7.7%) cases. Pallor, hypovolaemia and haemodynamic instability as sole indications included only 4.8%, 2.4% and 1.2% cases, respectively. Conclusion: The present study revealed that a significant number (45.2%) of patients were overtransfused. A wide variation exists from the standard guidelines among anaesthesiologists. Implementation of restrictive transfusion strategies and a protocol-based intraoperative transfusion is required to optimise patient outcome.

Background: The extracellular volume (ECV) and intracellular volume (ICV) estimated by bioimpedance analysis (BIA) deviates markedly from the textbook volumes of 20% and 40% of the body weight (BW). We estimated the transcellular exchange of water by calculating solute equilibriums after fluid challenges to examine whether the BIA or the textbook volumes are likely to be most correct. Methods: Data was retrieved from 8 healthy male volunteers who received 25 mL/kg of Ringer's solution or 3–5 mL/kg of hypertonic (7.5%) saline over 30 min after the ECV and ICV had been estimated by BIA. The exchange of water between the ECV and the ICV was calculated according to a sodium equation and an osmolality equation. Simulations were performed, where deviating body fluid volumes were applied. Results: The mean ECV measured with BIA was 24.9% of BW (p < 0.05 versus the "textbook" volume). Mean ICV measured with BIA was 22.3% of BW (p < 0.05). The sodium and osmolality equations correlated closely with respect to the translocation of water across the cell membrane (r2 = 0.86). By applying the "textbook" ECV, the sodium equation indicated that Ringer's solution exchanged negligible amounts of water, while hypertonic saline withdrew 1.4 L from the ICV to the ECV. By contrast, applying the BIA-derived ECV to the sodium equation implied that 3 L of water would be translocated from the ECV to the ICV once hypertonic saline was administered. Conclusion: The "textbook" ECV and ICV volumes but not the BIA-derived volumes were consistent with the fluid shifts obtained by two solute equations. [ABSTRACT FROM AUTHOR]

Cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) can significantly influence overall and disease-free survival in selected patients suffering from peritoneal surface malignancies (PSMs). We report here the anaesthetic management of a 52 year old patient of Ca Colon with secondary ovarian and peritoneal deposits. She underwent cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) with curative intent. The advent of CRS/HIPEC gives a promising alternative to conventional treatment modalities but comes with numerous challenges to the anesthesiologist--in view of the metabolic and hemodynamic adjustments--and demands training. [ABSTRACT FROM AUTHOR]

To determine whether the early use of albumin after cardiac surgery in the first 24 hours in the intensive care unit (ICU) is associated with reduced mortality. A single-center nonrandomized retrospective cohort study using the Medical Information Mart in Intensive Care IV database. A single cardiothoracic ICU in the United States during a period between 2008 to 2019. Patients undergoing valvular and/or cardiac bypass graft surgeries. Albumin administered during the first 24 hours of the ICU admission. A total of 8,136 patients were included in this study, of whom 4,444 (54.6%) received albumin at any stage during the first 24 hours of ICU admission, and 69 (1.6%) of those patients died. The patient population exposed to albumin had higher comorbidities and illness severity compared to the no-albumin group. Patients exposed to albumin during the first 24 hours of ICU admission had a statistically significant reduction in mortality (odds ratio [OR], 0.68; 95% confidence interval [CI], 0.48-0.97, p < 0.05) after adjustment for age, the Oxford Acute Severity of Illness Score, and the Charlson comorbidity index. A sensitivity analysis of patients who received albumin at any stage during ICU admission showed increased mortality (OR, 1.93; 95% CI, 1.26-3.07, p < 0.01). Patients exposed to albumin had a significant increase in adjusted ICU length of stay (LOS) (geometric mean ratio 1.09; 95% CI, 1.05-1.10, p = < 0.001) and hospital LOS (geometric mean ratio 1.08; 95% CI, 1.05-1.10, p < 0.001). Exposure to albumin in the first 24 hours after cardiac surgery is associated with a reduction in adjusted hospital mortality and an increase in both hospital and ICU lengths of stay. [ABSTRACT FROM AUTHOR]

Objective: To compare early outcomes and 24-hour survival after LVR with the novel polyethylene glycol-20k-based crystalloid (PEG-20k), WB, or hextend in a preclinical model of lethal HS. Background: Posttraumatic HS is a major cause of preventable death. current resuscitation strategies focus on restoring oxygen-carrying capacity (OCC) and coagulation with blood products. Our lab shows that PEG-20k is an effective non-sanguineous, LVR solution in acute models of HS through mechanisms targeting cell swelling-induced microcirculatory failure. Methods: Male pigs underwent splenectomy followed by controlled hemorrhage until lactate reached 7.5–8.5 mmol/L. They were randomized to receive LVR with PEG-20k, WB, or Hextend. Surviving animals were recovered 4 hours post-LVR. Outcomes included 24-hour survival rates, mean arterial pressure, lactate, hemoglobin, and estimated intravascular volume changes. Results: Twenty-four-hour survival rates were 100%, 16.7%, and 0% in the PEG-20k, WB, and Hextend groups, respectively (P = 0.001). PEG-20k significantly restored mean arterial press, intravascular volume, and capillary perfusion to baseline, compared to other groups. This caused complete lactate clearance despite decreased OCC. Neurological function was normal after next-day recovery in PEG-20k resuscitated pigs. Conclusion: Superior early and 24-hour outcomes were observed with PEG-20k LVR compared to WB and Hextend in a preclinical porcine model of lethal HS, despite decreased OCC from substantial volume-expansion. These findings demonstrate the importance of enhancing microcirculatory perfusion in early resuscitation strategies. [ABSTRACT FROM AUTHOR]

Background/Aim: Fluid warming is a useful method to prevent maternal and neonatal hypothermia. Because colloids stay in the intravascular space longer than crystalloids, their protective effect against hypothermia may be more emphasized. The aim of this study is to compare the effects of using warmed colloids or crystalloids on maternal and neonatal core temperatures, neonatal blood gas values, and maternal thermal comfort scores. Methods: After ethical approval, 220 ASA I or II pregnant women, scheduled for cesarean section with spinal anesthesia were enrolled in the study. Patients were assigned to receive hydroxyethyl starch (group HES) or Ringer's lactate solution (group RL) throughout the intraoperative study period. Once the patient entered the room, fluids were actively warmed with fluid warmer to 41 °C in both groups. Measurement of maternal core temperature (MT) and thermal comfort score (TCS) were performed before starting intravenous fluid administration (control), at the time of delivery of the neonate (delivery), 15th, 30th minutes, and at the end of the surgery. Tympanic temperature of the neonates was measured 1 minute after delivery. Blood gas samples from the umbilical artery of the neonates at the 1st minute and Apgar scores at 1st and 5th minutes after delivery were evaluated. Results: Maternal tympanic temperatures, maternal thermal comfort scores were higher at all measurement values other than control measurement in group HES. Neonatal tympanic temperatures (P = 0.051), neonatal umbilical artery cord pH (P < 0.001) and pO2 (P = 0.001) values were higher and pCO2 (P < 0.001) and HCO3 (P < 0.001) values were lower in group HES. Conclusion: Colloids are more effective than crystalloids in terms of maternal and neonatal temperatures and thermal comfort scores. Even if there was no difference between Apgar scores in our study, for neonates with potential vulnerabilities, better umbilical artery cord values may provide clinical advantages. [ABSTRACT FROM AUTHOR]