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Different Coagulation Markers as Predictors of Severity in Cancer Patients with COVID-19 Infection

Article Information

Feras Alfraih1*, Mostafa F. Mohammed Saleh1, Ahmed AbdRabou1,3, Alfadil Haroon1, Khalid AlSaleh2, Tarek Owaidah1

1Department of Adult Hematology/HSCT, King Faisal Specialist Hospital and Research Centre, Riyadh 11211, KSA

2Department of Medicine, College of Medicine, King Saud University, Riyadh 12372, KSA

3Hematology unit, internal medicine department, Zagazig University, Egypt

*Corresponding Author: Feras Alfraih, Director, Patient Flow & Capacity Command Centre Division, President, Saudi Society for Blood Disorders, Attending Physician, Adult Hematology/HSCT, Director, Alternate Donor Stem Cell Transplant, King Faisal Specialist Hospital and Research Centre, P.O. Box 3354, Riyadh 11211, Saudi Arabia.

Received: 10 January 2023; Accepted: 17 February 2023; Published: 15 March 2023

Citation: Feras Alfraih, Mostafa F. Mohammed Saleh, Ahmed AbdRabou, Alfadil Haroon, Khalid AlSaleh, Tarek Owaidah. Different Coagulation Markers as Predictors of Severity in Cancer Patients with COVID-19 Infection. Journal of Cancer Science and Clinical Therapeutics. 7 (2023): 71-74.

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Keywords

Cancer Patients; China; COVID-19; SARS-CoV-2

Cancer Patients articles; China articles; COVID-19 articles; SARS-CoV-2 articles

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Article Details

Dear Editor,

The ongoing pandemic of severe acute respiratory syndrome by coronavirus 2 (SARS-CoV-2) has posed several diagnostic and therapeutic challenges for clinicians and researchers around the globe. The first cases were reported from Wuhan, China, in December 2019. The virus rapidly spread worldwide and was declared a pandemic on March 11, 2020 [1]. As of 15th April, 2022more than 500 million cases with more than 6 million deaths have been reported globally due to COVID-19 [2]. Cancer includes a complex set of diseases. The prognosis of all cancers depend on the patient's timely diagnosis, intervention, and overall health status. The COVID-19 pandemic has resulted in some delays in the diagnosis and treatment of cancer patients [3]. In a retrospective cohort study of laboratory-confirmed COVID-19 cancer patients, anti-cancer treatment significantly increased the risk of ICU admission, mechanical ventilation, and death with COVID-19 infection [4]. The in-hospital mortality rates of COVID-19 were 12.1%, 28%, and 45.2% among cancer patients with low, middle, and high viral load, respectively [5]. Due to the increased prevalence of comorbidities and the administration of immunomodulatory drugs, cancer patients are at an increased risk of coagulopathy [6]. The published information on the prognosis of the disease in COVID-19 infected cancer patients and the status of coagulation markers is limited. More studies are needed for prospective long-term follow-up. Numerous studies have reported thrombosis as a common complication for cancer patients. Thrombosis has been identified as the second-leading cause of mortality among cancer patients [7, 8]. Thrombotic complications in cancer patients can range from venous or arterial thromboembolism to disseminated intravascular coagulation [9, 10]. The mechanisms that promote the risk of thromboembolic events in cancer patients appear to be multifaceted and have not yet been completely deciphered [11]. The International Society of Thrombosis and Hemostasis (ISTH) recommends prophylactic administration of anticoagulants in patients for a better prognosis [12, 13]. D-dimer has been extensively researched to predict COVID-19 prognosis with markers of disseminated intravascular coagulation (DIC) [14]. .Billior et al. [15] further reports that the C-reactive protein (CRP) and fibrinogen were better at predicting the disease severity with increased specificity than D-dimer. Among the other implicated coagulation markers, prothrombin fragments 1+2 [15, 16] and thrombin generation assay (TGA) [17-19] have been tested to predict the COVID-19 outcome in severely ill patients. A prospective observational study was designed and conducted at King Faisal Specialist Hospital & Research Center and King Khalid University Hospital from 1st April 2021 to 31st July 2021 to evaluate the different hematological and coagulation markers in admitted patients with confirmed COVID-19 positive patients. In a subgroup analysis of Polymerase chain reaction (PCR) confirmed COVID-19 positive patients with various cancers (≥18 years) (n=38) with the need for in-hospital treatment were included in this report, all patients had informed consent was obtained from themselves or or their family members. The primary demographic data was collected via the electronic patient chart (CERNER). The prognostic value of the patient’s age, gender, D-dimers, prothrombin time/international normalized ratio (PT/INR), factor VIII (FVIII), thrombin time, fibrinogen (Fib), antithrombin III (ATIII), differential blood cell count and CRP were evaluated for risk of VTE, ICU admission, severe clinical course, and death. The levels of these prognostic biomarkers were measured at hospital admission, ICU admission, intubation, mechanical ventilation, extracorporeal membrane oxygenation (ECMO), and death. Our cohort included 38 COVID-19 oncology patients with a female preponderance (55.3%). Risk factors were reported in 97.4% of patients, including hypertension (47.4%), previous VTE (2.6%), hyperlipidemia (10.5%), and other comorbidities in (47.4%) of patients as shown in Table 1. The mean age of our subjects was 58.63±18.61 years, as shown in Table 1. The average length of hospital stay was 13.1 ±10.3 days. At the time of presentation, only 2 of 38 cancer patients presented with basic COVID-19 symptoms, including cough, fever, and shortness of breath. Later, fever developed in 63.2% of patients, with respiratory symptoms in 60.5% and gastrointestinal symptoms in 18.4% of patients. The disease status, rate of thrombosis, and thrombosis prophylaxis have been described in Table 1 for our subjects. VTE prophylaxis was administered to 34 patients: enoxaparin in 27 (79.4%), unfractionated heparin 6 (17.6%) and other in 1 (3.0%). The rate of thrombosis was relatively low for our patients (n=4 ? %). In our subjects, 13 patients were diagnosed with gastric and urogenital cancers, 6 with multiple myeloma and lymphoma, 2 with lymphoblastic leukemia, and 17 with various other types of cancers.

Demographic variable (%age)

 

Males, n (%)

Females, n (%)

Gender

17 (44.7)

21 (55.3)

 

Mean ± S.D.

Age (n =38)

58.63158 ± 18.60895

BMI (n = 38)

26.81053 ± 7.035808

Length of Hospitalization (n = 38)

13.13158 ± 10.35367

 

Yes

No

All risk factors

37 (97.4)

1 (2.6)

Hypertension

18 (47.4)

20 (52.6)

Bleeding

-

38 (100%)

Previous VTE

1 (2.6)

37 (97.4)

Hyperlipidemia

4 (10.5)

34 (89.5)

Other comorbidities

18 (47.4)

20 (52.6)

COVID-19 symptoms, n (%)

 

Yes

No

Symptom-free

2 (5.3)

36 (94.7%)

Fever

24 (63.2)

14 (36.8)

Respiratory

23 (60.5)

15 (39.5)

Gastrointestinal symptoms

7 (18.4)

31 (81.6)

ICU

10 (26.3)

28 (73.7)

 

Thrombosis

 

Thrombosis day 0

1 (2.6)

37 (97.4)

Thrombosis day 3

2 (5.4)

35 (94.6)

Thrombosis day 14

1 (7.7)

12 (92.3)

VTE prophylaxis

 

Yes

No

Patient on VTE prophylaxis

34

3

 

Enoxaparin

Heparin

Other

Type of Prophylaxis

27 (79.4)

6 (17.6)

1 (3.0)

Table 1: Demographic variables and COVID-19 symptom status.

Variable

Mean ± SD

(Day 1)

Mean ± SD

 (Day 3)

p-value

Mean ± SD

 (Day 7)

p-value

Mean ± SD

 (Day 14)

p-value

Total VTE score

very low (0-1)

low (2)

moderate (3-4)

high (≥ 5)

5.3 ± 2.3

5.0 ± 2.0

<0.001

4.8 ± 2.0

 <0.001

6.7 ± 3.7

0.05

WBC (4.5 - 11.0 × 109/L)

9.2 ± 18.5

8.2 ± 15.6

<0001

7.5 ± 12.0

0.8

6.6 ± 3.5

0.2

Hb

(Males: 135 - 175 gm/L)

(Females: 120 - 155 gm/L)

118.2 ± 21.1

111.9 ± 22.2

<0.001

112.2 ± 28.2

0.02

113.6 ± 14.3

0.02

Platelet (151x103 - 450 x103 /mcL)

191.7 ± 100.1

207.0 ± 115.2

<0.001

252.5 ± 155.9

<0.001

251.9 ± 105.3

0.6

NeutAbsolute (1.5 x103 - 8.0 x103 /mcL)

4.7 ± 3.6

2.9 ± 3.0

<0.001

2.3 ± 1.6

0.01

4.3 ± 2.6

0.8

LymAbsolute (1 x103 - 4.8 x103 /mcL)

1.9 ± 3.5

1.0 ± .62

0.03

1.2 ± .62

0.008

1.6 ± .6

0.2

MonoAbsolute (0.2 x 103 - 0.95 x 103 /mcL)

.53 ± .42

0.4 ± 0.2

<0.001

.3 ± .2

0.11

1.4 ± 1.9

0.2

INR (0.8 - 1.1)

1.6 ± 1.7

1.2 ± 0.20

0.02

1.2 ± .15

<0.001

1.1 ± .1

0.6

PT (11 to 13.5 seconds)

17.0 ± 4.9

16.7 ± 2.8

<0.001

16.2 ± 2.0

<0.001

15.2 ± 1.2

.58

PTT (25 – 35 seconds)

41.2 ± 10.1

42.8 ± 7.1

0.07

38.9 ± 4.7

<0.001

38.2 ± 4.0

0.13

D-dimer (<0.50 mg/mL)

1.2 ± 1.3

1.9 ± 3.9

<0.001

1.7 ± 2.1

<0.001

1.9 ± 2.2

<0.001

CRP (<10 mg/mL)

118.3 ± 108.4

80.6 ± 82.9

0.82

40.4 ± 42.9

0.23

33.7 ± 69.7

0.24

Creatinine

(Males: 61.9 to 114.9 µmol/L)

(Females: 53 to 97.2 µmol/L)

87.7 ± 79.0

80.2 ± 73.6

<0.001

62.6 ± 34.

0.7, <0.001

72.3 ± 44.6

0.8, <0.001

Fib (2.0 to 4.0 g/L)

4.8 ± 1.8

4.9 ± 1.6

<0.001

4.7 ± 2.1

0.003

4.2 ± 2.5

0.56

Table 2: Mean ± Standard deviation values of the coagulation and CBC on days 1, 3, 7, and 14. It also shows the correlation between day 1 and days 3, 7, and 14.

As shown in Table 2, the VTE scores increased from day 1 (5.3 ±2.3) to day-14 (6.7 ±3.7), pointing toward an increased risk of thrombosis over time (p-value = 0.05). INR, PT, and PTT values were initially higher than the normal expected values (1.6 ± 1.7, 17.1 ±4.6, and 41.2 ±10.1, respectively) but gradually reduced during infection (1.1 ± 0.11, 15.2 ± 1.2 and 38.2 ±4.1). Fibrinogen levels similarly increased from day 1 (4.8 ±1.9) to day-3 (4.9 ±1.6), followed by a decrease on day 7 (4.8 ±2.1) and a further decrease on day 14 (4.25 ±2.5). The decrease in fibrinogen levels can be owed to the administration of prophylactic anticoagulants. CRP and creatinine showed a decreasing trend from day 1 (118.3 ±108.5 and 87.8 ±79, respectively) to Day-14 (33.7 ± 69.7 and 72.3 ±44.6, respectively). CRP values were, however, above the normal range throughout the hospital stay, but the correlation was not significant (p-value>0.05). None of the pro-coagulants showed any significant trends (AT: 91 ± 18, PC: 0.9 ± 0.2, PS: 0.7 ± 0.2, vWFAg: 0.8 ±0.1 and FVIII: 0.8 ±0.2). Fib and d-dimer showed interesting patterns. D-dimer values significantly increased from day 1 (1.2 ±1.3) to Day-3 (1.9 ±3.9) and then remained high throughout the hospital stay (p-value<0.001).

On day 14, the cumulative incidence of thrombotic events was 10.52%. Mortality rate in our cohort was 4 out of 38 (10.5%) during study time, with all death occurring within 10 days. The patients who died had different cancers, including multiple myeloma, chest wall tumor, non–small cell lung cancer (NSCLC), and rhabdomyosarcoma. 3 out of the 4 deceased patients had abnormally high VTE scores. D-dimer levels were higher than the normal range in all of these patients, along with other coagulation markers, including fibrinogen. The high mortality rate and increased risk of VTE associated with COVID-19 among cancer patients are in line with previous reports [20]. Racial and ethnicity-based disparities have been observed in the prognosis of COVID-19 and the associated mortality rates among cancer patients [21, 22]. This suggests that racial and ethnic differences might lead to varying pathogenic pathways and immune responses across the globe. The observations of this study delineate the importance of D-dimer, Fib, INR, PT, PTT, and CRP in the prognosis of COVID-19 among Saudi cancer patients. Fibrinogen and thrombin are essential coagulation biomarkers for ICU admission or death in COVID-19 patients [15]. D-dimer and PT have been reportedly increased in patients [23-25]. CRP has been established as a predictor of the COVID-19 disease course [26]. However, no study has investigated these coagulation markers among COVID-19 infected cancer patients. These markers can guide the clinical management [27] of the disease and prioritize healthcare resources [28]. The cancer patients have already suffered from decreased allocation of healthcare resources than warranted since the start of the pandemic [3]. These findings can help guide the prophylactic administration of anticoagulant therapy for cancer patients and reduce the in-hospital mortality rates. In conclusion, high D-dimer, INR, PT, PTT, Fib, and CRP values at admission point toward an increased risk of thrombotic events, ICU admission, and a high mortality rate. The administration of prophylactic agents in the patients may reduce the risk of thrombosis and ICU admission, increasing the overall life expectancy.

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