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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Intensive care medicine 22 (1996), S. 1075-1081 
    ISSN: 1432-1238
    Keywords: Key words Critically ill ; Sepsis ; Trauma ; Volume therapy ; Platelet function ; Aggregometry ; Hydroxyethyl starch solution ; Albumin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective: Both albumin and synthetic colloids such as hydroxyethyl starch (HES) solution are used to optimize hemodynamics in the critically ill. The influence of different long-term infusion regimes on platelet function was studied. Design: Prospective, randomized study. Setting: Clinical investigation on a university hospital surgical intensive care unit. Patients: Twenty-eight consecutive trauma patients (injury severity score〉15 points) and 28 consecutive nontraumatized surgical patients with sepsis. Interventions: The patients received either 20% human albumin (HA trauma, n=14; HA sepsis, n=14) or 10% low-molecular-weight HES solution HES 200/0.5 (HES trauma, n=14; HES sepsis; n=14) for 5 days to maintain central venous pressure and/or pulmonary capillary wedge pressure between 12 and 16 mmHg. Measurements and results: Platelet function was assessed by aggregometry (=turbidimetric technique) using adenosine diphosphate 2.0 μmol/l, collagen 4 μl/ml, and epinephrine 25 μmol/l as inductors. Arterial blood was sampled on the day of admission or the day of diagnosis of sepsis (=baseline value) and over the next 5 days. Standard coagulation parameters (antithrombin III, fibrinogen, partial thromboplastin time) were also measured. Total use of HES by the 5th day totalled 4870±990 ml in the trauma and 3260±790 ml in the sepsis patients (HA trauma: 1850±380 ml; HA sepsis: 1790±400 ml). Maximum platelet aggregation decreased significantly during the first 2–3 days after baseline in all groups. At the end of the investigation period, platelet aggregation variables had recovered and reached (or even exceeded) baseline values. Within the entire investigation period, the course of platelet aggregation variables did not differ significantly between HA and HES-treated patients irrespective of whether they were trauma or sepsis patients. Conclusions: Alterations in hemostasis may occur for several reasons in the critically ill. Human albumin is the preferred first-line volume therapy in patients at risk for coagulation disorders. With respect to platelet function, volume replacement with (lower-priced) low-molecular-weight HES solutions can be recommended in this situation without any risk.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Intensive care medicine 22 (1996), S. 1075-1081 
    ISSN: 1432-1238
    Keywords: Critically ill ; Sepsis ; Trauma ; Volume therapy ; Platelet function ; Aggregometry ; Hydroxyethyl starch solution ; Albumin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective Both albumin and synthetic colloids such as hydroxyethyl starch (HES) solution are used to optimize hemodynamics in the critically ill. The influence of different long-term infusion regimes on platelet function was studied. Design Prospective, randomized study. Setting Clinical investigation on a university hospital surgical intensive care unit. Patients Twenty-eight consecutive trauma patients (injury severity score〉15 points) and 28 consecutive nontraumatized surgical patients with sepsis. Interventions The patients received either 20% human albumin (HA trauma,n=14; HA sepsis,n=14) or 10% low-molecular-weight HES solution HES 200/0.5 (HES trauma,n=14; HES sepsis;n=14) for 5 days to maintain central venous pressure and/or pulmonary capillary wedge pressure between 12 and 16 mmHg. Measurements and results Platelet function was assessed by aggregometry (=turbidimetric technique) using adenosine diphosphate 2.0 μmol/l, collagen 4 μl/ml, and epinephrine 25 μmol/l as inductors. Arterial blood was sampled on the day of admission or the day of diagnosis of sepsis (=baseline value) and over the next 5 days. Standard coagulation parameters (antithrombin III, fibrinogen, partial thromboplastin time) were also measured. Total use of HES by the 5th day totalled 4870±990 ml in the trauma and 3260±790 ml in the sepsis patients (HA trauma: 1850±380 ml; HA sepsis: 1790±400 ml). Maximum platelet aggregation decreased significantly during the first 2–3 days after baseline in all groups. At the end of the investigation period, platelet aggregation variables had recovered and reached (or even exceeded) baseline values. Within the entire investigation period, the course of platelet aggregation variables did not differ significantly between HA and HES-treated patients irrespective of whether they were trauma or sepsis patients. Conclusions Alterations in hemostasis may occur for several reasons in the critically ill. Human albumin is the preferred first-line volume therapy in patients at risk for coagulation disorders. With respect to platelet function, volume replacement with (lower-priced) low-molecular-weight HES solutions can be recommended in this situation without any risk.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Intensive care medicine 24 (1998), S. 28-36 
    ISSN: 1432-1238
    Keywords: Key words Critically ill ; Sepsis ; Trauma ; Volume therapy ; Albumin ; Hydroxyethylstarch solution ; Macrocirculation ; Microcirculation ; Pulmonary function ; Renal ; function ; Coagulation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective: There are still several concerns about the extensive and prolonged use of hydroxyethylstarch solution (HES) in critically ill patients. The effects of volume replacement with HES over 5 days on hemodynamics, laboratory data, and organ function were compared with volume therapy using human albumin (HA). Design: Prospective, randomized study. Setting: Clinical investigations on a surgical intensive care unit (ICU) of a university hospital. Patients: 150 traumatized patients (injury severity score 〉 15) and 150 postoperative patients with sepsis were analyzed. Interventions: Either 10 % low-molecular weight HES (HES-trauma, n = 75; HES-sepsis, n = 75) or 20 % HA (HA-trauma, n = 75; HA-sepsis, n = 75) was given for 5 days to maintain the pulmonary capillary wedge pressure (PCWP) between 12 and 15 torr. The entire management of therapy of the patients was performed by physicians who were not involved in the study and blinded to the infusion regimen. Measurements and results: In addition to extensive cardiorespiratory monitoring, several routine laboratory parameters for assessing pulmonary, renal, hepatic, and coagulation function were analyzed from arterial blood samples on the day of admission to the ICU and on the day of sepsis diagnosis, respectively (“baseline” value) and daily over the following 5 days. Mortality during and after the study did not differ significantly between the infusion groups. There were also no differences between the incidence of pulmonary, renal, or hepatic failure in the two subgroups. Mean arterial pressure, heart rate, and PCWP were similar in both subgroups, whereas cardiac index, oxygen delivery index, oxygen consumption index, and the ratio between the partial pressure of oxygen in arterial blood and fractional inspired oxygen were higher in the HES- than in the HA-treated groups. Standard coagulation parameters did not differ, albumin concentration increased significantly in both HA groups, and lactate concentrations decreased only in the HES-sepsis patients (from 2.8 ± 0.5 to 1.5 ± 0.4 mg/dl). Volume replacement using albumin was significantly (p 〈 0.001) more costly than therapy with HES. Conclusions: Volume therapy with 10 % HES for 5 days in the ICU patient showed no disadvantages compared with an infusion regimen using 20 % albumin. Volume replacement using HES may even be associated with improved hemodynamics. HES appears to be a valuable and significantly cheaper alternative to albumin – even for prolonged volume therapy in the critically ill patient.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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