POSSIBILITY OF IMPROVEMENT OF RENDERING EMERGENCY MEDICAL SERVICE FOR PATIENTS WITH TRAUMATIC SHOCK
Girsh A.O., Stukanov M.M., Maksimishin S.V., Stepanov S.S., Korzhuk M.S., Chernenko S.V., Malyuk A.I.
Kabanov City Clinical Hospital No.1,
Omsk State Medical
University, Omsk, Russia
Considering the position of the modern critical care medicine, patients
with traumatic shock should receive the urgent surgical treatment [1]. Therefore,
it is important to use the algorithmic complex emergent care at the prehospital
and hospital stages with possibility of fast etiopathogetenic treatment for
improving outcomes [2]. However the problem of fluid load from perspectives of
its efficiency, continuity and safety remains unsolved, despite the fact of the
properly developed and effective algorithmic complex medical care for patients
with traumatic shock [3].
Therefore, the objective of the
study was to define the
main organizational and tactical priorities when rendering algorithmic complex
emergency medical service for patient with serious traumatic shock at the prehospital
and hospital stages for realization of its optimization.
MATERIALS AND METHODS
The study presented the outcomes of a simple blinded randomized clinical cohort prospective study (envelopes technique) of 75 patients with traumatic shock of degree 3 who were distributed into groups according to the type of infusion therapy at the prehospital and hospital stages (the table 1). The inclusion criteria were: 1) age of the patients from 18 to 40; 2) acute initiation of a disease; 3) absent narcotic or alcohol intoxication; 4) hospital admission within the first hour after disease onset. The exclusion criteria were: 1) concurrent sub- and decompensated chronic renal, hepatic, cardiac or pulmonary pathology; 2) previous oncologic pathology; 3) previous hormonal and chemical therapy; 4) diabetes mellitus of types 1-2; 5) terminal state; 6) participation in other study; 7) allergic responses to hemodynamic colloid solutions on the basis of 4 % modified gelatin and 6 % HES. Traumatic shock of degree 3 was diagnosed before hospital admission (before initiation of infusion therapy) in presence of history of injuries and on the basis of the following signs: disordered consciousness (Glasgow Coma Scale), systolic arterial pressure (SAP, mm Hg), diastolic arterial pressure (DAP, mm Hg), mean arterial pressure (MAP, mm Hg), heart rate (HR, min-1), shock index (SI) and body temperature (T, °C) (the table 2).
Table 1. The variants of infusion therapy, the gender and age composition, locations of injuries, main values of organizational and tactical priorities of arrangement of emergency medical aid for patients in the groups I, II and III
Patient groups, infusion therapy program, age (years), gender, n (%) |
Injuries location |
Time from initiation of anti-shock measures before hospital admission (min) |
Time from hospital admission to initiation of surgical treatment |
Time from initiation of surgical treatment to bleeding arrest (min) |
Group I (0.9% NaCl + 6% HES 200/0.5 in ratio 1.3/1), n = 25; mean age – 27.2 ± 1.9; men, n = 15 (60%); women, n = 10 (40%) |
Fracture of pelvic bones + fracture of femoral bone +closed abdominal injury with injuries to spleen, mesentery and liver (n = 15, 60%). Fracture of femoral and tibial bones + closed abdominal injury with injuries to spleen, mesentery and liver (n = 10, 40%) |
57.1 ± 0.2 |
8.6 ± 1.1 |
33.4 ± 2.8 |
Group II (0.9% NaCl + 4% MG in ratio 1/3), n = 25; mean age – 27.5 ± 2.1; men, n = 16 (64%); women, n = 9 (36%) |
Pelvic fracture + femoral bone fracture + closed abdominal injury (injuries to spleen, mesentery and liver), n = 13 (52%). Fracture of femoral + fibular and tibial bones + closed abdominal injury (injuries to spleen, mesentery and liver), n = 12 (48%). |
56.9 ± 0.4 |
8.7 ± 1.2 |
34.1 ± 1.3 |
Group III (isotonic sterofundin + 4% MG in ratio 1/3), n = 25; mean age – 26.9 ± 1.8; men, n = 15 (60%), women, n = 10 (40%)
|
Pelvic fracture + femoral bone fracture + closed abdominal injury (injuries to spleen, mesentery and liver), n = 14 (56%). Fracture of femoral and fibular and tibial bones + closed abdominal injury (injuries to spleen, mesentery and liver), n = 11 (44%) |
56.7 ± 0.5 |
8.8 ± 1.3 |
33.3 ± 3.1 |
Note: No statistically significant differences were found in the table (Kruskal-Wallis ANOVA, p > 0.05).
Table 2. The values of systemic hemodynamics, GCS and body temperature in patients at prehospital stage, Me (Ql; Qh)
Index |
Groups |
||
I (n = 25) |
II (n = 25) |
III (n = 25) |
|
HR, min-1 |
137.9 (130; 144) |
140.9 (136; 145) |
141.7 (136; 146) |
AP syst., mm Hg |
48.1 (42; 53) |
47.9 (44; 51) |
47.2 (43; 51) |
AP diast., mm Hg |
21.4 (18; 25) |
21.8 (18; 24) |
21.6 (18; 25) |
SAP, mm Hg |
32.3 (30; 34) |
32.2 (29; 34) |
32.5 (30; 34) |
SI, c.u. |
2.9 (2.8; 3) |
3.1 (3; 3,2) |
3.1 (3; 3,2) |
GCS, points |
7.9 (7; 8) |
7.8 (7; 8) |
7.9 (7; 8) |
Т, °С |
35.9 (35.8; 36) |
35.9 (35.9; 36) |
35.9 (35.9; 36) |
Note: No statistically significant intergroup differences were found (Kruskal-Wallis ANOVA, p > 0.05). Me (Ql; Qh) – median (upper and lower quartiles).
The patients with traumatic shock received the prehospital care according
to the following algorithm:
Temporary arrest of
bleeding;
Central vein catheter for
carrying out the infusion therapy (crystalloids and colloids);
Multimodal analgesia for
arresting pain impulse from the injury site;
Use of ά1 и β2 adrenomimetric agents for purposeful correction of systemic hemodynamics
in absence of effect from volemic load;
Moistened oxygen
inhalation; for progressing symptoms of acute respiratory (respiratory rate
> 40 or < 10) or cerebral (GCS < 8) insufficiency – tracheal intubation
and ALV;
Transport immobilization;
Transportation of
patients in horizontal position;
A telephone message to
the specialized surgery hospital made by emergency physician to duty surgeon,
traumatologist or intensivist, with presenting the information about patient’s
general condition (shock degree and approximate blood loss according to shock
index);
Rapid transportation to a
specialized medical facility.
Therefore,
all patients received prehospital multimodal analgesia (narcotic or
non-narcotic analgetics), infusion therapy with the catheter in the central
(subclavicular or jugular) vein, inotropic and vascular support with dopamine
(5 µg/kg of body mass per minute). Artificial lung ventilation with Chirolog Paravent
PAT (Chirana, Slovakia) was initiated for all patients after tracheal
intubation.
At
the hospital stage all patients were immediately admitted to the surgery room
for realization of urgent surgical care with continuing the anti-shock therapy,
which was initiated at the prehospital stage. At the same time, the diagnostic examinations
were conducted (plain X-ray of chest, abdominal organs, skull, pelvis and
injured extremities, ultrasonic abdominal examination, laparoscopy, biochemical
data, hemostasis parameters, general blood and urine analysis, blood group and
Rh factor testing).
The
surgical treatment was conducted with total intravenous (fentanyl + ketamine +
sibazon) anesthesia with muscle relaxants in conditions of ALV with air-oxygen
mixture. The surgical treatment was conducted for all patients (n = 75), its
volume depended on injury location (the table 1). After it the patients were
admitted to the intensive care unit (ICU) for infusion, antibacterial,
respiratory and symptomatic therapy. The blood loss degree (hospital and prehospital)
was estimated on the basis of shock index, clinical symptoms and estimation of
external blood loss volume (the table 3). Within the first 24 hours all
patients received the therapy for anemia and consumption coagulopathy according
to the common criteria with transfusion of single-group plasma and packed red
blood cells [4]. During the subsequent two days, the transfusion therapy was
conducted according to coagulation hemostasis parameters, hemoglobin and
hematocrit. The hemodynamic monitor MEC 1200 (Mindray, China) was used for
estimating SAP, DAP, MAP, HR and body temperature (T, °C) at the prehospital
stage. Capillary blood oxygen saturation was measured with the pulse oximeter
MD 300 from the same manufacturer. SAP, DAP, MAP, heart rate and body temperature
were registered with the hemodynamic monitor ICARD (Chirana, Slovakia) at the
hospital stage. Tetrapolar rheography was used for measuring the central
hemodynamic parameters: heart rate (HR, min-1), stroke volume (SV,
ml), cardiac minute output (CMO, l), cardiac index (CI, l/min./m2),
total peripheral vascular resistance (TPVR, dyn×cm×sec.-5),
circulating blood volume (CBV, l). The automatic hematological analyzer Hemolux
19 (Mindray, China) was used for measuring hemoglobin level (g/l) and platelet
count (109/l). Lactate in venous blood serum was measured with the
biochemical analyzer Huma Laser 2000 (Human, Germany). Endothelin-1 (E-1,
fmol/l), Willebrand factor (WF, %) and activated partial thromboplastin time
(APTT, sec.) were measured. The electrolytic composition of venous blood serum
(potassium, natrium, chloride, ionized calcium (mmol/l)) was estimated with the
analyzer Easy Lyte (Medica, USA). MT-5 (NPP Burevestnik, Russia) was used for
estimating the plasma and urine osmolarity (mOsm/l). SOFA was used for
estimating the time course and intensity of organ system dysfunctions.
Table 3. Blood loss volume and infusion-transfusion therapy in patients with traumatic shock during 1 day (М ± m)
Values, ml |
Группы / Groups |
||
I (n = 25) |
II (n = 25) |
III (n = 25) |
|
Blood loss at prehospital stage |
2810 ± 225 |
2869 ± 221 |
2905 ± 215 |
Crystalloids |
822 ± 25 |
438 ± 22 |
441 ± 21* |
Colloids |
822 ± 42 |
1316 ± 58 |
1352 ± 49 |
Total volume |
1645 ± 250 |
1755 ± 242 |
1767 ± 235 |
Blood loss at hospital stage |
464 ± 35 |
436 ± 39 |
411 ± 38 |
Total blood loss |
3274 ± 121 |
3305 ± 161 |
3317 ± 152 |
Crystalloids |
2123 ± 39 |
989 ± 31 |
1035 ± 35 |
Colloids |
1620 ± 48 |
2888 ± 50 |
2960 ± 55 |
Packed red cells |
1524 ± 22 |
1509 ± 29 |
1528 ± 30 |
Plasma |
2872 ± 67 |
2530 ± 56 |
2486 ± 49 |
Total volume of ITT |
9786 ± 111 |
9883 ± 108 |
9805 ± 103 |
Note: * – differences in comparison with 1st group are statistically significant with p < 0.05 (Student's test for paired comparison of independent samples).
The examinations were conducted at the moment of ICU admission, 12 hours
after it, and within the following 3 days. Estimation of efficiency of
algorithmic complex urgent medical care at the prehospital and hospital stages
was estimated according to prehospital, 24-hour and three-day mortality. The
systemic statistical analysis was conducted with ANOVA, Freedman
non-parametrical test, Kruskall-Wallis, Wilcoxon and Mann-Whitney tests, c2
test and Spearman correlation analysis
with obligatory estimation of statistical significance (p < 0.05) [5] and
Statistica 6 (Statsoft, USA, 1999) and MedCalc 7.6.0.0.
The study was conducted with approval from the bioethical committee of Kabanov
City Clinical Hospital No.1 and corresponded to the ethical standards of
Helsinki Declaration – Ethical Principles for Medical Research with Human
Subjects 2000 and the Rules for Clinical Practice in the Russian Federation
confirmed by the Order of Russian Health Ministry, June 19, 2003, No.266.
RESULTS
According to the table 2, there were not any reliable differences
between the values which were used for confirmation of shock and its severity
that confirmed their basic equivalence. The use of algorithmic complex urgent
medical care at the prehospital and hospital stages was efficient in all
examined groups and was confirmed by the values of prehospital mortality and
24-hour hospital mortality (the table 4). At the moment of ICU admission all
patients demonstrated the hypodynamic type of blood circulation that was
confirmed by cardiac output supported by intense tachycardia and vascular spasm
(the table 5). The main factor of low cardiac minute output was
deficiency of CBV caused by massive blood loss and endothelial insufficiency that
was indicated by the parameters of vascular endothelial dysfunction (the table
5).
Already
at the moment of admission, the patients demonstrated some evident hemostasis
disorders (the table 5) determined by acute massive blood loss (the table 3).
The intensive care promoted the positive influence on the examined parameters
in the patients of all groups (the table 5). In its return, the comparative
analysis demonstrated the statistically significant difference in dynamic
changes of lactate in the patients of the groups 1 and 3 and 1 and 2 (the table
5). Also the comparative analysis identified some reliable differences in SV
and CMO in the patients of the group 1 as compared to the group 2 and 3 (the
table 5). Moreover, the comparative analysis identified the increased plasma
and urine osmolarity in the group 1 as compared to the group 3 (the table 5). All
these facts testified the insufficiency of the available type of blood
circulation in the group 1 and determined the use of inotropic and vascular
support within 74.2 ± 2.3 hours that differed from the similar time in the
groups 2 and 3 (48.1 ± 2.4 and 47.3 ± 2.1 hours correspondingly).
Table 4. The values of mortality and comparative analysis during 3 days
Patient groups |
Mortality rates, n (%) |
Prehospital stage |
|
Group I (n = 25) |
0 (0 %) |
Group II (n = 25) |
0 (0 %) |
Group III (n = 25) |
0 (0 %) |
Hospital stage |
|
Group I (n = 25) |
0 (0 %) |
Group II (n = 25) |
0 (0 %) |
Group III (n = 25) |
0 (0 %) |
Within 3 days |
|
Group I (n = 25) |
3 (12 %) |
Group II (n = 25) |
1 (4 %) |
Group III (n = 25) |
1 (4 %) |
Comparison of groups |
Results of comparison |
Group I / Group II |
c2 = 0.11; p = 0.95 |
Group I / Group III |
c2 = 0.11; p = 0.95 |
Group II / Group III |
c2 = 0.00; p = 1.0 |
Note: No statistically significant differences were found (критерий χ2, p > 0.05).
Table 5. The comparative analysis of instrumental and laboratory data, Me (Ql; Qh) – median (upper and lower quartiles)
Values |
Upon admission to ICU |
72 hours after admission to ICU |
||||
Group I |
Group II |
Group III |
Group I |
Group II |
Group III |
|
HR, min-1 |
131 (128; 131) |
112.5 (101; 117)^ |
113 (102; 116)^ |
89 (89; 90)* |
90 (89; 91)* |
90 (89; 91)* |
SD, ml |
35 (34; 36) |
36 (35; 37) |
36 (34; 37) |
69 (67; 72)* |
75 (74; 78)*^ |
75 (74; 77)*^ |
CO, l/min |
4.5 (4.4; 4.7) |
4 (3,9; 4,1) |
4 (3.9; 4.1) |
6.1 (6.0; 6.4)* |
6.6 (6.5; 6.9)*^ |
6.7 (6.6; 6.9)*^ |
TPVR, dyn×s×cm-5) |
2797 (2558; 2896) |
2767 (2588; 2829) |
2767 (2585; 2828) |
1565 (1518; 1593)* |
1478 (1457; 1498)*^ |
1476 (1455; 1496)*^ |
TBV, l |
1.98 (1.97; 2.15) |
1.96 (1.94; 2) |
1.97 (1.94; 2.00) |
4.48 (4.47; 4.55)* |
4.52 (4.49; 4.55)* |
4.51 (4.48; 4.5)* |
Platelets, 109/l |
125 (125; 126) |
122.1 (114; 130) |
123.7 (117; 132) |
171 (163; 186)* |
186.8 (182.1; 214.3)*^ |
185.7 (183.4; 212.1)*^ |
APTT, sec. |
58 (57; 59) |
48 (46; 50)^ |
49 (47; 51)^ |
48 (47; 48)* |
32 (31; 34)*^ |
32 (29; 34)*^ |
E-1, fmol/l |
1.7 (1.6; 1.8) |
1.6 (1.5; 1.7) |
1.6 (1.5; 1.7) |
1 (0.9; 1.1)* |
0.5 (0.4; 0.6)*^ |
0.4 (0.3; 0.5)*^ |
EF, % |
193.4 (190.4; 196.7) |
192.1 (189.8; 195.7) |
191.7 (190.2; 196.8) |
164.8 (162.1; 165.6)* |
103.4 (100.7; 108.6)*^ |
100.8 (99.7; 104.3)*^ |
Hemoglobin, g/l |
56 (52; 58) |
57 (53; 59) |
57 (53; 58) |
86 (85; 87)* |
89 (88; 91)* |
89 (88; 91)* |
Lactate, mmol/l |
4 (3.9; 4.1) |
4.1 (3.9; 4.2) |
4 (3.9; 4.1) |
2.6 (2.5; 2.7)* |
2 (2; 2.1)*^ |
2 (2; 2)*^ |
Potassium, mmol/l |
3.9 (3.7; 4.1) |
3.9 (3.8; 4) |
3,9 (3,7; 4.1) |
3.3 (3.2; 3.4)* |
3.3 (3.3; 3.4)* |
3.9 (3.8; 4.2)^ |
Chloride, mmol/l |
95 (94; 96) |
95 (94; 96) |
94 (94; 95) |
111 (110; 112)* |
111 (111; 111)* |
97 (96; 98)^ |
Natrium, mmol/l |
136 (135; 137) |
136 (136; 138) |
136 (135; 137) |
144 (143; 145)* |
144 (144; 144)* |
139 (139; 140)^ |
Ionized calcium, mmol/l |
0.5 (0.32; 0.73) |
0.6 (0.43; 0.78) |
0.9 (0.8; 1)^ |
0.71 (0.69; 0.72) |
0.74 (0.72; 0.76)* |
1.21 (1.2; 1.22)*^ |
Plasma osmolarity, mOsm/l |
288 (284; 291) |
287 (283; 290) |
286 (282; 289) |
306 (303; 309)* |
305 (301; 308)* |
281 (279; 283)^ |
Urine osmolarity, mOsm/l |
0 (0; 0) |
0 (0; 0) |
0 (0; 0) |
1341 (1318; 1357)* |
1303 (1291; 1317)*^ |
1225 (1214; 1237)*^ |
Diuresis, ml |
0 (0; 0) |
0 (0; 0) |
0 (0; 0) |
1500 (1400; 1600)* |
1500 (1400; 1600)* |
1300 (1100; 1450)*^ |
Inotropic and vascular support with dopamine |
8.9 (8; 10) |
8.5 (8; 9) |
8.4 (8; 9) |
3.7 (3; 4)* |
0 (0; 0)*^ |
0 (0; 0)*^ |
Note: * – the differences are statistically significant as compared to the previous period, with p < 0.05 (Wilcoxon's test); ^ – the differences are statistically significant as compared to the group I, with p < 0.05 (Mann-Whitney test).
During
the whole follow-up, the patients of the group 1 (as compared to the groups 2 and
3) demonstrated some reliable differences in plasma levels of E-1 and WF (the
table 5). During all three days the patients of the group 1 demonstrated the
disorders of plasma hemostasis that was confirmed by increasing APTT (the table
5) with significant difference from the groups 2 and 3. During the whole
follow-up, the patients of the group 1 (as compared to the group 3)
demonstrated some changes in electrolytic composition of plasma with
statistically significant increase in levels of natrium and chloride ions and
in decreasing potassium and calcium ions (the table 5). The infusion therapy
demonstrated a positive influence on the volemic and hemodynamic status that
promoted shock involution at the end of the second day (the table 5).
However
the patients of the group 2 demonstrated the evident decrease in calcium ions
(the table 5) as compared to the group 3 at the moment of admission. Also the
patients of the group 2 demonstrated the statistically significant increase in
the serum levels of natrium and chloride ions (the table 5) as compared to the
identical data in the group 3 on the second day. Moreover, the patients of the
group 2 demonstrated the significant decrease in plasma levels of potassium
ions (the table 5) as compared to the group 3. The infusion therapy in the
group 3 made the efficient influence on the systemic hemodynamics parameters
(the table 5). It promoted the shock regression in the end of the second day. During
the whole period of the follow-up, the patients of the group 3 demonstrated the
positive time trends of the hemostasis parameters without changes in osmolarity
and electrolytic composition of blood plasma (the table 5).
DISCUSSION
The
used algorithms of complex urgent medical care at the prehospital and hospital
stages were equally efficient in all groups. It was confirmed by absence of
lethal outcomes and 24-hour mortality. It was explained by the fact that the
used algorithms promoted the minimization of time from initiation of the
anti-shock measures before hospital admission to beginning of the surgical
treatment and hemorrhage arrest, i.e. at the moment of initiation of
ethiopathogenetic (surgical and anti-shock) therapy, which has the highest
efficiency in traumatic shock [1]. The similar efficiency of the used prehospital
and hospital algorithms was indirectly confirmed by absence of any statistical
differences in ICU admission.
However
the conducted variants of volemic load in the group 2 and 3 (as compared to the
fluid provision program for the groups 1 and 2) determined the reliably early
correction of acute cardiovascular insufficiency and cancellation of inotropic
and vascular support. It determined the statistically significant intensity of
MODS (SOFA = 7.4 (6; 8)) in the group 1 as compared to the groups 2 (SOFA = 4.5
(3; 5))) and the group 3 (SOFA = 4.4 (3; 5)). The high efficiency of the
variants of volemic replacement in relation to MODS correction in the groups 2
and 3 was determined by 4 % MG colloid solution, which has the significantly
higher daily dose (in contrast to 6 % HES) as compared to the fluid provision
program in the group 1. This circumstance allows adhering to the principle of
continuity of infusion therapy program in patients with severe traumatic shock
at the prehospital and hospital stages, with use of the optimal ratio of
crystalloids and colloids for efficient removal of blood circulation disorders
[3]. It also was confirmed by the comparative analysis that showed the reliable
difference in the prehospital volume of introduced colloid solutions in the
group 1 as compared to the groups 2 and 3 (the table 3).
Also
the comparative analysis (the table 3) identified the significant difference in
the volume of introduced crystalloid solutions at the prehospital and hospital
stages in the patients of the group 1 as compared to the groups 2 and 3. The
lower volumes of colloid solutions with high volemic activity and the higher
volumes of crystalloid solutions in the infusion program for the patients of
the group 1 was the determining factor of late correction of MODS. It testified
that the infusion therapy programs were more efficient for correcting the
hemodynamic disorders in the patients of the groups 2 and 3 as compared to the
volemic load in the group 1. The insufficiency of the available type of blood
circulation in the group 1 was confirmed by the increasing values of tissue
hypoperfusion and endothelial dysfunction.
Actually,
the high plasma level of E-1, which was probably caused by
hypercatecholaminemia, ischemia and hypoxia, is able both to make the direct
constrictive influence of the vessels [6] (confirmed by high TPVR in the group
1) and induce MODS by means of direct toxic influence on the cardiac muscle
[7]. In its turn, the serum level of WF can increase in endothelial stimulation
and, moreover, in its activation and injury [6]. Moreover, severe
hemocirculatory disorders and, as result, mixed hypoxia are the factors making
the negative influence on the endothelial cells with discharge of systemic
inflammatory response mediators releasing [6] that worsens the endothelial
dysfunction and leads to progressive worsening volemic status [7]. Hyperlactataemia
and high level of chloride ions could independently produce the high vascular
permeability [8] and could cause the development of relative hypovolemia [7,
9].
During
the whole follow-up period, the patients of the group 1 (in contrast to the
group 3) demonstrated the higher levels of chloride ions. The important thing
was the decrease in plasma ionized calcium in the group 1 that was at the same
time as plasma hemostasis disorders. Possibly, it was associated with necessity
of adequate plasma levels of calcium ions [10, 11]. The evident disorders of
plasma hemostasis were confirmed by the fact that the volume of introduced
fresh frozen single-group plasma was higher by 11.9 % than the similar volume
in the group 2 and by 13.4 % higher than the same volume in the group 3 (the
table 3). The statistically significant decrease in contents of calcium ions
was noted in the group 2 as compared to the group 3. But in contrast to the
group 1, the decrease in ionized calcium levels in the group 2 did not
influence on plasma hemostasis. It was confirmed by the comparative analysis
that did not identify any significant difference in plasma hemostasis in the
group 2 as compared to the group 3.
This
position testified that 4 % MG colloid solution made the lower negative
influence on the plasma hemostasis parameters in the patients with severe
traumatic shock as compared to 6 % HES 200/0.5 colloid solution in the infusion
therapy program. The infusion program with 0.9 % sodium chloride promoted the
evident increase in plasma levels of sodium ions and decreasing levels of
potassium ions in the patients of the groups 1 and 2 as compared to the group
3. The increase in the plasma levels of sodium ions determined the increase in
plasma osmolarity in the groups 1 and 2 in comparison with the identical index
in the group 3 that was confirmed by identified reliable correlation
relationships between plasma osmolarity and levels of sodium ions (r = 0.45,
р = 0.04; r = 0.46, р = 0.04). The efficiency of 4 % MG colloid solution in
the infusion program for the patients with severe traumatic shock was confirmed
by the mortality rate during the whole period of the follow-up (the table 4).
At the same time, none of the used variants of the infusion therapy for the
treatment of degree 3 traumatic shock showed any significant advantage in
mortality (the table 4).
CONCLUSION
1. The main organizational and tactical
priorities of algorithmic complex urgent medical care for patients with severe
traumatic shock are: 1) time from initiation of anti-shock measures to hospital
admission (not more than 57 minutes); 2) time from hospital admission to
beginning of surgical treatment (not more than 9 minutes); 3) time from beginning
of surgical treatment to hemorrhage arrest (not more than 34 minutes).
2. At the hospital stage, the diagnostic and
curative measures (surgical arrest of bleeding, skeletal traction, anti-shock
therapy) for patients with traumatic shock are necessary to perform
simultaneously in the surgery room.
3. Optimization of algorithmic complex urgent
medical care for patients with severe traumatic shock at the prehospital and
hospital stages is possible only by means of improvement in the infusion
therapy program.
4. The maximal clinical effect of infusion
therapy as one of the key methods of intensive care within the limits of
algorithmic urgent medical care in patients with severe traumatic shock is
achieved with obligatory adherence to the continuity principle for such type of
treatment at the prehospital and hospital stages.
5. The use of isotonic sterofundin and 4 % MG
provides the efficient elimination of circulatory disorders and endothelial
insufficiency, do not cause any negative changes in hemostasis, osmolarity and
electrolytic composition of blood plasma in contrast to other variants of
volemic replacement (0.9 % sodium chloride + 6 % HES 200/0.5 and 0.9 % sodium
chloride + 4 % MG) for patients with severe traumatic shock at the prehospital
and hospital stages.
6. As compared to 0.9 % sodium chloride + 6 % HES
200/0.5, the prehospital and hospital use of isotonic sterofundin and 4 % MG
gives 40.3 % decreasing the intensity of multiple dysfunction syndrome in
patients with degree 3 traumatic shock 8 % decreasing the mortality.
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