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Effect and clinical value of coagulation test on adverse reactions of blood transfusion in patients with major bleeding in ectopic pregnancy

  • Authors:
    • Fanjiu Kong
    • Yingbo Li
    • Xiaoxin Liu
  • View Affiliations

  • Published online on: September 27, 2018     https://doi.org/10.3892/etm.2018.6804
  • Pages: 4712-4716
  • Copyright: © Kong et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Influence and clinical value of coagulation test on adverse reactions of blood transfusion in patients with major bleeding of ectopic pregnancy were analyzed. Six hundred and twenty-seven cases of ectopic pregnancy admitted to Zibo First Hospital from July 2014 to March 2017 were retrospectively analyzed. The 369 patients who had adverse reactions after blood transfusion were selected as the experimental group. Another 258 patients without adverse reaction after blood transfusion were selected as the control group. Blood samples were collected 8 h before and after blood transfusion in both groups, and blood test was performed including blood count (RBC), white blood cell count (WBC), platelet count (PLT), HB, hematocrit (HCT), as well as indicators of coagulation, including thrombin time (TT), prothrombin time (PT), activated partial thromboplastin time (APTT) and fibrinogen (FIB). There was no significant difference between the two groups in blood routine and blood coagulation test (P>0.05). After transfusion, the RBC, WBC, PLT, HB and HCT in the experimental group were significantly lower than those in the control group (P<0.05). TT, PT and APTT were higher than those in the control group (P<0.05), while FIB was significantly lower than that in the control group (P<0.001). The coagulation in the experimental group after blood transfusion was significantly worse than that in the control group. Coagulation test can be used as a marker of adverse reactions after transfusion in patients with massive bleeding in pregnancy, providing reference and guidance for clinical diagnosis and treatment.

Introduction

Approximately 28% of pregnant women experience ectopic pregnancy during childbirth (1), of which intra-abdominal hemorrhage is the most common complication of ectopic pregnancy (2). According to the statistics report by Riaz et al (3), the occurrence of massive bleeding in patients with ectopic pregnancy was as high as 69.5%. Abdominal bleeding will lead to difficult births, fetal death and suffocation, and serious bleeding will even threaten life (4). For patients with massive bleeding in pregnancy, blood transfusions are given in clinical practice, and generally can have a good rescue effect on patients with acute ischemia (5). However, patients with massive bleeding are prone to adverse reactions, and Magee et al (6) reported that approximately 70% of patients with pregnancy-induced bleeding occurred varying degrees of adverse reactions. Therefore, how to effectively avoid and reduce adverse reactions in patients has become an important clinical topic. In recent years, multiple studies (79) have demonstrated that monitoring blood coagulation is of great clinical significance for patients undergoing transfusion and can effectively determine the patient's blood flow. For patients with massive bleeding during pregnancy undergoing blood transfusion therapy, whether detecting the coagulation function also has high value has not been studied. Therefore, this retrospective comparative analysis of adverse reactions and no adverse reactions in patients with massive bleeding in pregnancy before and after blood transfusion was carried out in order to provide effective and reliable reference for future clinical response to such patients.

Patients and methods

Patient information

A total of 627 pregnant women admitted to Zibo First Hospital (Zibo, China) from July 2014 to March 2017 were retrospectively analyzed. Patients were aged 22–35 years, mean age 27.34±5.43 years. In the selected patients bleeding during pregnancy with transfusion in Zibo First Hospital, 369 patients had adverse reactions after blood transfusions (hypotension, tachycardia, urticaria and postoperative infection) and were selected as the experimental group. Another 258 patients without adverse reactions were selected as the control group.

Inclusion and exclusion criteria

Inclusion criteria were: All pregnant patients admitted for childbirth in Zibo First Hospital; have complete case details, aged between 22–35 years. Exclusion criteria were: Suffering from other blood diseases, suffering from other immune diseases, suffering from other heart and brain and other organ diseases, physical disability, surgical tolerance of patients, preoperative chemotherapy. The study was approved by the Ethics Committee of Zibo First Hospital. Patients who participated in this research had complete clinical data. Signed informed consents were obtained from the patients or the guardians.

Methods

Criteria for determining massive bleeding were with reference to 2013 guidelines for the diagnosis of ectopic pregnancy (10): Blood loss >1,000 ml. Patients with massive bleeding in pregnancy was treated with strict reference to the guidelines for the treatment for blood transfusions in 2013 (11), and the blood transfusion standards are shown in Table I. After each infusion of 4–6 U red blood cells or 400–600 ml of blood, the patient's coagulation function was tested, so that coagulation of patients was maintained at normal conditions, and the patient was given intravenous injection of 1 gr calcium gluconate. From the two groups of patients 4 ml venous blood was drawn 8 h before and after blood transfusion, one sample for blood tests (using the Beckman DHS hematology analyzer, Beckman Coulter, Inc., Brea, CA, USA) and one sample for coagulation tests after centrifugation at 3,250 × g for 5 min at 4°C.

Table I.

Blood transfusion standards.

Table I.

Blood transfusion standards.

Blood loss of patientsBlood transfusion content
HB <70 g/lRed blood cell suspension
PTFresh frozen
APTT >1.5 times FIBplasma or cryoprecipitate
PLT <50×109/lApheresis platelets

[i] HB, hemoglobin; PT, prothrombin time; APTT, activated partial thromboplastin time; FIB, fibrinogen; PLT, platelet count; PT, clotting time.

Observation indicator

Blood routine observation index: Red blood cell count (RBC), white blood cell count (WBC), platelet count (PLT), HB, hematocrit (HCT). Coagulation function indicators: Thrombin time (TT), prothrombin time (PT), activated partial thromboplastin time (APTT), fibrinogen (FIB).

Statistical analysis

SPSS 22.0 statistical software (IBM Corp., Armonk, NY, USA) was used to analyze and process the data. The enumeration data are expressed as rate. Chi-square test was used to compare between groups. Measurement data are expressed as mean ± standard deviation, and t-test was used to compare between groups. Paired t-test was used for comparison between before and after treatment. P<0.05 was considered to indicate a statistically significant difference.

Results

Basic information of the patients

The clinical data of two groups of patients were compared. There was no significant difference between the two groups in age, pregnancy time, body weight, smoking, drinking, exercise habits and education level (P>0.05) (Table II).

Table II.

Comparison of clinical data between two groups (n, %).

Table II.

Comparison of clinical data between two groups (n, %).

Groups

ItemsExperimental (n=369)Control (n=258)t/χ2P-value
Age (years)26.83±4.6926.94±5.090.280.780
Pregnancy time (weeks)12.35±1.8212.62±2.041.740.083
Weight (kg) 0.020.897
  <60134 (36.31)95 (36.82)
  ≥60235 (63.69)163 (63.18)
Smoking habits 0.080.775
  Yes25 (6.78)16 (6.20)
  No344 (93.22)242 (93.80)
Drinking habits 0.270.604
  Yes39 (10.57)24 (9.30)
  No330 (89.43)234 (90.70)
Exercise habits 0.100.748
  Yes127 (34.42)92 (35.66)
  No242 (65.58)166 (64.34)
Degree of education 0.150.696
  <High school126 (34.15)92 (35.66)
  ≥High school243 (65.85)166 (64.34)
Blood test results before and after blood transfusion

There was no significant difference in RBC, WBC, PLT, HB, HCT between the blood transfusion group and the control group before the blood transfusion (P>0.05). The RBC in the experimental group after transfusion was 3.74±0.69 ×1012/l, which was significantly lower than that in the control group 4.84±0.51 ×1012/l (P<0.001). The WBC in the experimental group was 6.56±2.08 ×109/l, which was significantly lower than that in the control group 7.64±1.89 ×109/l (P<0.001). The levels of PLT, HB and HCT were 102.23±10.62 ×109/l, 78.63±7.05 g/l and 0.34±0.08 respectively, which were also lower than those in the control group 135.22±14.53 ×109/l, 91.36±9.56 g/l and 0.45±0.06 respectively (P<0.001) (Tables III and IV).

Table III.

Blood test results of two groups before transfusion.

Table III.

Blood test results of two groups before transfusion.

Groups

ItemsExperimental (n=369)Control (n=258)tP-value
RBC (×1012/l)2.63±0.572.65±0.550.440.661
WBC (×109/l)4.86±1.375.01±1.531.290.199
PLT (×109/l)48.60±6.5249.34±7.061.350.177
HB (g/l)45.36±12.2644.67±13.070.670.500
HCT0.26±0.060.26±0.030.0>0.999

[i] RBC, red blood cell count; WBC, white blood cell count; PLT, platelet count; HB, hemoglobin; HCT, hematocrit.

Table IV.

Blood test results of two groups after transfusion.

Table IV.

Blood test results of two groups after transfusion.

Groups

ItemsExperimental (n=369)Control (n=258)tP-value
RBC (×1012/l)3.74±0.694.84±0.5121.78<0.001
WBC (×109/l)6.56±2.087.64±1.896.64<0.001
PLT (×109/l)102.23±10.62135.22±14.5332.84<0.001
HB (g/l)78.63±7.0591.36±9.5619.19<0.001
HCT0.34±0.080.45±0.0618.71<0.001

[i] RBC, red blood cell count; WBC, white blood cell count; PLT, platelet count; HB, hemoglobin; HCT, hematocrit.

Blood coagulation test results before and after transfusion

There were no significant differences in TT, PT, APTT and FIB before transfusion between the two groups (P>0.05). The TT in the experimental group after transfusion was 30.26±1.6 sec, which was significantly higher than that in control group 17.65±1.53 sec (P<0.001). The PT in the experimental group after transfusion was 20.53±2.83 sec, which was also significantly higher than that in the control group 13.42±2.82 sec (P<0.001). The APTT in the experimental group after transfusion was 42.49±4.56 sec, which was significantly higher than that in the control group 28.65±1.69 sec (P<0.001). The FIB in the experimental group after transfusion was 2.15±0.62 g/l, which was significantly lower than that in the control group 4.32±0.82 g/l (P<0.005). All indexes of coagulation function in the experimental group were significantly increased after transfusion compared with those before transfusion (P<0.05). However, the levels of TT, PT and APTT in the control group were significantly lower than those before the transfusion (P<0.05), while the levels of FIB in the control group were significantly higher than those before transfusion (P<0.05) (Tables V and VI; Figs. 1 and 2).

Table V.

Coagulation tests results in two groups before blood transfusion.

Table V.

Coagulation tests results in two groups before blood transfusion.

Groups

ItemsExperimental (n=369)Control (n=258)tP-value
TT (sec)20.53±3.5220.27±3.080.960.339
PT (sec)16.49±2.3616.82±2.511.680.094
APTT (sec)36.59±4.3535.98±5.041.620.106
FIB (g/l)1.20±0.251.19±0.180.550.582

[i] TT, thrombin time; PT, prothrombin time; APTT, activated partial thromboplastin time; FIB, fibrinogen.

Table VI.

Coagulation tests results in two groups after blood transfusion.

Table VI.

Coagulation tests results in two groups after blood transfusion.

Groups

ItemsExperimental (n=369)Control (n=258)tP-value
TT (sec)30.26±1.6217.65±1.5398.12<0.001
PT (sec)20.53±2.8313.42±2.8231.00<0.001
APTT (sec)42.49±4.5628.65±1.6946.56<0.001
FIB (g/l)2.15±0.624.32±0.8237.71<0.001

[i] TT, thrombin time; PT, prothrombin time; APTT, activated partial thromboplastin time; FIB, fibrinogen.

Discussion

Massive bleeding in ectopic pregnancy patients leads to critical condition, lack of blood circulation, decreased red blood cell oxygen carrying capacity, decreased blood perfusion which causes a serious threat to the patients and the fetuses (12,13). In clinical practice, these patients are mainly treated with blood transfusion for emergency rescue, and the purpose of which is to supplement the patient's blood volume and blood coagulation factors, and to improve the patient's hypoxia-induced necrosis caused by ischemia (14,15). Transfusion therapy can not only strive for more treatment time, but also provide more effective protection for the fetus of patients (16). However, patients occur with different degrees of adverse reactions after massive bleeding, and the adverse reactions not only may make the disease become more complex, severe adverse reactions will directly result in premature birth and stillbirth (17,18). Our study found that the detection of coagulation in pregnant patients can be used as an indicator of adverse reactions in patients and can be implemented in the clinic.

The results of this study showed that coagulation disorders were common in patients with massive bleeding during the course of transfusion therapy. The blood parameters before and after transfusion were improved in both groups, but the improvement in the control group was significantly better than that in the experimental group, suggesting that adverse reactions of bleeding can affect the recovery of blood condition in pregnant patients. After transfusion, the indexes of coagulation function in the experimental group were significantly increased, while the TT, PT and APTT in the control group showed a downward trend and the FIB increased. Adverse reactions affect the patient's coagulation function, adverse reactions in the experimental group of patients resulting in poor effects of transfusion therapy. For patients with ectopic pregnancy, due to massive bleeding caused by rupture of fallopian tube, and pregnancy also speeds up the rate of blood coagulation, causing diffuse blood clotting, it will not only lead to coagulation disorders in patients, but also may lead to rupture of fetal membranes in patients and cause injury to the fetus (19).

By detecting the difference of coagulation function before and after transfusion, the improvement of coagulation function in the experimental group was significantly worse than that in the control group. Although the FIB in the experimental group also increased significantly compared with that before treatment, the increase was not as good as that in the control group. The reason for this is that FIB is a glycoprotein involved in the coagulation of the patient. When the patient's ability to synthesize protein is weakened, the FIB will show a downward trend (20,21). Therefore, for patients with adverse reactions, their protein synthesis ability has been suppressed, resulting in non-significant improvement of FIB protein after transfusion. However, the increase of PT, TT and APTT showed that the decrease of coagulation function in the experimental group aggravated the possibility of bleeding in patients.

In this study, due to limited conditions, there are still deficiencies, such as the study population, relatively simple testing instruments, and we will be performing follow-up survey for a longer period and continuing to improve our experiment in the future, in order to achieve the best experimental results.

In conclusion, coagulation test can be used as an indicator of adverse reactions in patients with massive bleeding in pregnancy after transcortical treatment, providing reference and guidance for clinical diagnosis and treatment.

Acknowledgements

Not applicable.

Funding

No funding was received.

Availability of data and materials

The datasets used and/or analyzed during the present study are available from the corresponding author on reasonable request.

Authors' contributions

FK designed the study, wrote the manuscript and treated patients. YL was responsible for blood routine observation index. XL collected and analyzed basic information on patients. All authors read and approved the final manuscript.

Ethics approval and consent to participate

The study was approved by the Ethics Committee of Zibo First Hospital (Zibo, China). Patients who participated in this research had complete clinical data. Signed informed consents were obtained from the patients or the guardians.

Patient consent for publication

Not applicable.

Competing interests

The authors declare that they have no competing interests.

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Spandidos Publications style
Kong F, Li Y and Liu X: Effect and clinical value of coagulation test on adverse reactions of blood transfusion in patients with major bleeding in ectopic pregnancy. Exp Ther Med 16: 4712-4716, 2018.
APA
Kong, F., Li, Y., & Liu, X. (2018). Effect and clinical value of coagulation test on adverse reactions of blood transfusion in patients with major bleeding in ectopic pregnancy. Experimental and Therapeutic Medicine, 16, 4712-4716. https://doi.org/10.3892/etm.2018.6804
MLA
Kong, F., Li, Y., Liu, X."Effect and clinical value of coagulation test on adverse reactions of blood transfusion in patients with major bleeding in ectopic pregnancy". Experimental and Therapeutic Medicine 16.6 (2018): 4712-4716.
Chicago
Kong, F., Li, Y., Liu, X."Effect and clinical value of coagulation test on adverse reactions of blood transfusion in patients with major bleeding in ectopic pregnancy". Experimental and Therapeutic Medicine 16, no. 6 (2018): 4712-4716. https://doi.org/10.3892/etm.2018.6804