Pulmonary embolism risk factors: Difference between revisions

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===Modifiable Risk Factors===
===Modifiable Risk Factors===
Modifiable risk factors are reversible based upon lifestyle/behavior modification.
Modifiable risk factors are reversible based upon lifestyle/behavior modification.
* Obesity: [[Obesity]] is defined as a body-mass index (BMI) above 30 kg/m2.<ref name="pmid20404252">{{cite journal| author=Holst AG, Jensen G, Prescott E| title=Risk factors for venous thromboembolism: results from the Copenhagen City Heart Study. | journal=Circulation | year= 2010 | volume= 121 | issue= 17 | pages= 1896-903 | pmid=20404252 | doi=10.1161/CIRCULATIONAHA.109.921460 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=20404252  }} </ref> <ref name="pmid21352080">{{cite journal| author=Vayá A, Martínez-Triguero ML, España F, Todolí JA, Bonet E, Corella D| title=The metabolic syndrome and its individual components: its association with venous thromboembolism in a Mediterranean population. | journal=Metab Syndr Relat Disord | year= 2011 | volume= 9 | issue= 3 | pages= 197-201 | pmid=21352080 | doi=10.1089/met.2010.0117 | pmc= | url= }} </ref> <ref name="pmid18695082">{{cite journal| author=Eichinger S, Hron G, Bialonczyk C, Hirschl M, Minar E, Wagner O et al.| title=Overweight, obesity, and the risk of recurrent venous thromboembolism. | journal=Arch Intern Med | year= 2008 | volume= 168 | issue= 15 | pages= 1678-83 | pmid=18695082 | doi=10.1001/archinte.168.15.1678 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=18695082  }} </ref>
* [[Obesity]]: [[Obesity]] is defined as a [[body-mass index]] (BMI) above 30 kg/m2.<ref name="pmid20404252">{{cite journal| author=Holst AG, Jensen G, Prescott E| title=Risk factors for venous thromboembolism: results from the Copenhagen City Heart Study. | journal=Circulation | year= 2010 | volume= 121 | issue= 17 | pages= 1896-903 | pmid=20404252 | doi=10.1161/CIRCULATIONAHA.109.921460 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=20404252  }} </ref> <ref name="pmid21352080">{{cite journal| author=Vayá A, Martínez-Triguero ML, España F, Todolí JA, Bonet E, Corella D| title=The metabolic syndrome and its individual components: its association with venous thromboembolism in a Mediterranean population. | journal=Metab Syndr Relat Disord | year= 2011 | volume= 9 | issue= 3 | pages= 197-201 | pmid=21352080 | doi=10.1089/met.2010.0117 | pmc= | url= }} </ref> <ref name="pmid18695082">{{cite journal| author=Eichinger S, Hron G, Bialonczyk C, Hirschl M, Minar E, Wagner O et al.| title=Overweight, obesity, and the risk of recurrent venous thromboembolism. | journal=Arch Intern Med | year= 2008 | volume= 168 | issue= 15 | pages= 1678-83 | pmid=18695082 | doi=10.1001/archinte.168.15.1678 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=18695082  }} </ref>


* [[Smoking]]:<ref name="pmid20404252">{{cite journal| author=Holst AG, Jensen G, Prescott E| title=Risk factors for venous thromboembolism: results from the Copenhagen City Heart Study. | journal=Circulation | year= 2010 | volume= 121 | issue= 17 | pages= 1896-903 | pmid=20404252 | doi=10.1161/CIRCULATIONAHA.109.921460 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=20404252  }} </ref> Smoking significantly increases the risk of [[DVT]], particularly among women who are taking [[oral contraceptive pills]] as well as among [[obese]] people.
* [[Smoking]]:<ref name="pmid20404252">{{cite journal| author=Holst AG, Jensen G, Prescott E| title=Risk factors for venous thromboembolism: results from the Copenhagen City Heart Study. | journal=Circulation | year= 2010 | volume= 121 | issue= 17 | pages= 1896-903 | pmid=20404252 | doi=10.1161/CIRCULATIONAHA.109.921460 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=20404252  }} </ref> [[Smoking]] significantly increases the risk of [[DVT]], particularly among women who are taking [[oral contraceptive pills]] as well as among [[obese]] people.


* Use of [[oral contraceptives]]<ref name="pmid17726684">{{cite journal| author=Pomp ER, Rosendaal FR, Doggen CJ| title=Smoking increases the risk of venous thrombosis and acts synergistically with oral contraceptive use. | journal=Am J Hematol | year= 2008 | volume= 83 | issue= 2 | pages= 97-102 | pmid=17726684 | doi=10.1002/ajh.21059 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=17726684  }} </ref>
* Use of [[oral contraceptives]]<ref name="pmid17726684">{{cite journal| author=Pomp ER, Rosendaal FR, Doggen CJ| title=Smoking increases the risk of venous thrombosis and acts synergistically with oral contraceptive use. | journal=Am J Hematol | year= 2008 | volume= 83 | issue= 2 | pages= 97-102 | pmid=17726684 | doi=10.1002/ajh.21059 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=17726684  }} </ref>


* [[Hyperhomocysteinemia]]:<ref name="pmid8592549">{{cite journal| author=den Heijer M, Koster T, Blom HJ, Bos GM, Briet E, Reitsma PH et al.| title=Hyperhomocysteinemia as a risk factor for deep-vein thrombosis. | journal=N Engl J Med | year= 1996 | volume= 334 | issue= 12 | pages= 759-62 | pmid=8592549 | doi=10.1056/NEJM199603213341203 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=8592549  }} </ref> [[Hyperhomocysteinemia]] can be reduced with vitamin B supplementation.
* [[Hyperhomocysteinemia]]:<ref name="pmid8592549">{{cite journal| author=den Heijer M, Koster T, Blom HJ, Bos GM, Briet E, Reitsma PH et al.| title=Hyperhomocysteinemia as a risk factor for deep-vein thrombosis. | journal=N Engl J Med | year= 1996 | volume= 334 | issue= 12 | pages= 759-62 | pmid=8592549 | doi=10.1056/NEJM199603213341203 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=8592549  }} </ref> [[Hyperhomocysteinemia]] can be reduced with [[vitamin B]] supplementation.


===Non-Modifiable Risk Factors===
===Non-Modifiable Risk Factors===
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** [[Activated protein C resistance]]
** [[Activated protein C resistance]]
** [[Antithrombin III deficiency]]
** [[Antithrombin III deficiency]]
** [[Factor VIII]] mutation
** [[Factor VIII]] [[mutation]]
** [[Antiphospholipid syndrome]]
** [[Antiphospholipid syndrome]]
** [[Heparin induced thrombocytopenia]]
** [[Heparin induced thrombocytopenia]]
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===Other Possible Risk Factors===
===Other Possible Risk Factors===
Other possible factors associated with VTE include:
Other possible factors associated with [[VTE]] include:
* Nutrition low in fish, fruits, and vegetables<ref name="pmid17179018">{{cite journal| author=Steffen LM, Folsom AR, Cushman M, Jacobs DR, Rosamond WD| title=Greater fish, fruit, and vegetable intakes are related to lower incidence of venous thromboembolism: the Longitudinal Investigation of Thromboembolism Etiology. | journal=Circulation | year= 2007 | volume= 115 | issue= 2 | pages= 188-95 | pmid=17179018 | doi=10.1161/CIRCULATIONAHA.106.641688 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=17179018  }} </ref>
* [[Nutrition]] low in fish, fruits, and vegetables<ref name="pmid17179018">{{cite journal| author=Steffen LM, Folsom AR, Cushman M, Jacobs DR, Rosamond WD| title=Greater fish, fruit, and vegetable intakes are related to lower incidence of [[venous thromboembolism]]: the Longitudinal Investigation of Thromboembolism Etiology. | journal=Circulation | year= 2007 | volume= 115 | issue= 2 | pages= 188-95 | pmid=17179018 | doi=10.1161/CIRCULATIONAHA.106.641688 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=17179018  }} </ref>
* [[Psychological stress]]<ref name="pmid18045241">{{cite journal| author=Rosengren A, Fredén M, Hansson PO, Wilhelmsen L, Wedel H, Eriksson H| title=Psychosocial factors and venous thromboembolism: a long-term follow-up study of Swedish men. | journal=J Thromb Haemost | year= 2008 | volume= 6 | issue= 4 | pages= 558-64 | pmid=18045241 | doi=10.1111/j.1538-7836.2007.02857.x | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=18045241  }} </ref>
* [[Psychological stress]]<ref name="pmid18045241">{{cite journal| author=Rosengren A, Fredén M, Hansson PO, Wilhelmsen L, Wedel H, Eriksson H| title=Psychosocial factors and [[venous thromboembolism]]: a long-term follow-up study of Swedish men. | journal=J Thromb Haemost | year= 2008 | volume= 6 | issue= 4 | pages= 558-64 | pmid=18045241 | doi=10.1111/j.1538-7836.2007.02857.x | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=18045241  }} </ref>
* Cardiovascular risk factors such as [[diabetes]] and [[hypercholesterolemia]]<ref name="pmid18086925">{{cite journal| author=Ageno W, Becattini C, Brighton T, Selby R, Kamphuisen PW| title=Cardiovascular risk factors and venous thromboembolism: a meta-analysis. | journal=Circulation | year= 2008 | volume= 117 | issue= 1 | pages= 93-102 | pmid=18086925 | doi=10.1161/CIRCULATIONAHA.107.709204 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=18086925  }} </ref>
* [[Cardiovascular]] risk factors such as [[diabetes]] and [[hypercholesterolemia]]<ref name="pmid18086925">{{cite journal| author=Ageno W, Becattini C, Brighton T, Selby R, Kamphuisen PW| title=Cardiovascular risk factors and venous thromboembolism: a meta-analysis. | journal=Circulation | year= 2008 | volume= 117 | issue= 1 | pages= 93-102 | pmid=18086925 | doi=10.1161/CIRCULATIONAHA.107.709204 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=18086925  }} </ref>
* Acute medical illness  
* [[Acute]] medical illness  
* [[Drug abuse]] (intravenous drugs)<ref name="pmid11260066">{{cite journal| author=McColl MD, Tait RC, Greer IA, Walker ID| title=Injecting drug use is a risk factor for deep vein thrombosis in women in Glasgow. | journal=Br J Haematol | year= 2001 | volume= 112 | issue= 3 | pages= 641-3 | pmid=11260066 | doi= | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=11260066  }} </ref>
* [[Drug abuse]] ([[intravenous]] drugs)<ref name="pmid11260066">{{cite journal| author=McColl MD, Tait RC, Greer IA, Walker ID| title=Injecting drug use is a risk factor for [[deep vein thrombosis]] in women in Glasgow. | journal=Br J Haematol | year= 2001 | volume= 112 | issue= 3 | pages= 641-3 | pmid=11260066 | doi= | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=11260066  }} </ref>
*[[Sickle cell disease]]<ref name="pmid23582935">{{cite journal| author=Naik RP, Streiff MB, Haywood C, Nelson JA, Lanzkron S| title=Venous thromboembolism in adults with sickle cell disease: a serious and under-recognized complication. | journal=Am J Med | year= 2013 | volume= 126 | issue= 5 | pages= 443-9 | pmid=23582935 | doi=10.1016/j.amjmed.2012.12.016 | pmc=PMC3627211 | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23582935  }} </ref>
*[[Sickle cell disease]]<ref name="pmid23582935">{{cite journal| author=Naik RP, Streiff MB, Haywood C, Nelson JA, Lanzkron S| title=Venous thromboembolism in adults with sickle cell disease: a serious and under-recognized complication. | journal=Am J Med | year= 2013 | volume= 126 | issue= 5 | pages= 443-9 | pmid=23582935 | doi=10.1016/j.amjmed.2012.12.016 | pmc=PMC3627211 | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23582935  }} </ref>
*[[Inflammatory bowel disease]]<ref name="pmid23629820">{{cite journal| author=Koutroumpakis EI, Tsiolakidou G, Koutroubakis IE| title=Risk of venous thromboembolism in patients with inflammatory bowel disease. | journal=Semin Thromb Hemost | year= 2013 | volume= 39 | issue= 5 | pages= 461-8 | pmid=23629820 | doi=10.1055/s-0033-1343886 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23629820  }} </ref>
*[[Inflammatory bowel disease]]<ref name="pmid23629820">{{cite journal| author=Koutroumpakis EI, Tsiolakidou G, Koutroubakis IE| title=Risk of venous thromboembolism in patients with inflammatory bowel disease. | journal=Semin Thromb Hemost | year= 2013 | volume= 39 | issue= 5 | pages= 461-8 | pmid=23629820 | doi=10.1055/s-0033-1343886 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23629820  }} </ref>
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== Risk Factors from the Nurse's Health Study==
== Risk Factors from the Nurse's Health Study==
The Nurse's Health Study (NHS) investigated the risk factors for [[PE]] among 112,822 female subjects.  The factors that are associated with increased [[PE]] in women are [[obesity]], [[smoking]], and [[hypertension]].  According to this study the relative risk (RR) and confidence interval (CI) for the occurrence of idiopathic VTE for each of the following factors are:<ref name="pmid9039882">{{cite journal| author=Goldhaber SZ, Grodstein F, Stampfer MJ, Manson JE, Colditz GA, Speizer FE et al.| title=A prospective study of risk factors for pulmonary embolism in women. | journal=JAMA | year= 1997 | volume= 277 | issue= 8 | pages= 642-5 | pmid=9039882 | doi= | pmc= | url= }} </ref>  
The [[Nurse's Health Study]] (NHS) investigated the risk factors for [[PE]] among 112,822 female subjects.  The factors that are associated with increased [[PE]] in women are [[obesity]], [[smoking]], and [[hypertension]].  According to this study the [[relative risk]] (RR) and [[confidence interval]] (CI) for the occurrence of [[idiopathic]] [[VTE]] for each of the following factors are:<ref name="pmid9039882">{{cite journal| author=Goldhaber SZ, Grodstein F, Stampfer MJ, Manson JE, Colditz GA, Speizer FE et al.| title=A prospective study of risk factors for pulmonary embolism in women. | journal=JAMA | year= 1997 | volume= 277 | issue= 8 | pages= 642-5 | pmid=9039882 | doi= | pmc= | url= }} </ref>  
* [[Obesity]]: RR 2.9 (95% CI, 1.5-5.4)
* [[Obesity]]: RR 2.9 (95% CI, 1.5-5.4)
* [[Smoking]]:
* [[Smoking]]:
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* [[Hypercholesterolemia]]: 1.1 (95% CI, 0.62-1.8)
* [[Hypercholesterolemia]]: 1.1 (95% CI, 0.62-1.8)
* [[Diabetes]]: RR 0.7 (95% CI, 0.3-1.9)
* [[Diabetes]]: RR 0.7 (95% CI, 0.3-1.9)
In addition, surgery, trauma, cancer and immobilization are associated with provoked PE.
In addition, [[surgery]], [[trauma]], [[cancer]] and immobilization are associated with provoked PE.


== Risk Factors from the Physician's Health Study==
== Risk Factors from the Physician's Health Study==
The following factors have been associated with elevated risk of VTE among subjects in the Physicians Health Study.  The relative risk for the occurrence of VTE among patients who have these factors compared to those who don't is provided below.
The following factors have been associated with elevated risk of [[VTE]] among subjects in the Physicians Health Study.  The [[relative risk]] for the occurrence of [[VTE]] among patients who have these factors compared to those who don't is provided below.
* [[Anticardiolipin antibody]] level above the 95th percentile (RR: 5.3; 95% CI, 1.55 to 18.3; P = 0.01)<ref name="pmid1443986">{{cite journal| author=Ginsburg KS, Liang MH, Newcomer L, Goldhaber SZ, Schur PH, Hennekens CH et al.| title=Anticardiolipin antibodies and the risk for ischemic stroke and venous thrombosis. | journal=Ann Intern Med | year= 1992 | volume= 117 | issue= 12 | pages= 997-1002 | pmid=1443986 | doi= | pmc= | url= }} </ref>
* [[Anticardiolipin antibody]] level above the 95th percentile (RR: 5.3; 95% CI, 1.55 to 18.3; P = 0.01)<ref name="pmid1443986">{{cite journal| author=Ginsburg KS, Liang MH, Newcomer L, Goldhaber SZ, Schur PH, Hennekens CH et al.| title=Anticardiolipin antibodies and the risk for ischemic stroke and venous thrombosis. | journal=Ann Intern Med | year= 1992 | volume= 117 | issue= 12 | pages= 997-1002 | pmid=1443986 | doi= | pmc= | url= }} </ref>
* [[Factor V Leiden]] (RR: 2.7; 95% CI, 1.3 to 5.6; P = 0.008)<ref name="pmid7877648">{{cite journal| author=Ridker PM, Hennekens CH, Lindpaintner K, Stampfer MJ, Eisenberg PR, Miletich JP| title=Mutation in the gene coding for coagulation factor V and the risk of myocardial infarction, stroke, and venous thrombosis in apparently healthy men. | journal=N Engl J Med | year= 1995 | volume= 332 | issue= 14 | pages= 912-7 | pmid=7877648 | doi=10.1056/NEJM199504063321403 | pmc= | url= }} </ref>
* [[Factor V Leiden]] (RR: 2.7; 95% CI, 1.3 to 5.6; P = 0.008)<ref name="pmid7877648">{{cite journal| author=Ridker PM, Hennekens CH, Lindpaintner K, Stampfer MJ, Eisenberg PR, Miletich JP| title=Mutation in the gene coding for coagulation factor V and the risk of myocardial infarction, stroke, and venous thrombosis in apparently healthy men. | journal=N Engl J Med | year= 1995 | volume= 332 | issue= 14 | pages= 912-7 | pmid=7877648 | doi=10.1056/NEJM199504063321403 | pmc= | url= }} </ref>
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==References==
==References==
{{Reflist|2}}
{{Reflist|2}}
 
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[[Category:Hematology]]
[[Category:Hematology]]
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[[Category:Cardiology]]
[[Category:Cardiology]]
[[Category:Emergency medicine]]
[[Category:Emergency medicine]]
[[Category:Primary care]]
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Latest revision as of 23:53, 29 July 2020



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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] The APEX Trial Investigators; Associate Editor(s)-in-Chief: Rim Halaby, M.D. [2]

Overview

The most common sources of pulmonary embolism (PE) are proximal leg deep venous thromboses (DVTs) or pelvic vein thromboses; therefore, any risk factor for DVT also increases the risk of PE. Approximately 15% of patients with a DVT will develop a PE. In these chapters on venous thromboembolism (VTE), the word risk factors refers to those epidemiologic and genetic variables that expose someone to a higher risk of developing venous thrombosis. The word triggers refer to those factors in the patients immediate history or environment that may have lead to the occurrence of the venous thrombosis. The risk factors for VTE are a constellation of predisposing conditions which stem from the three principles of Virchow's triad: stasis of the blood flow, damage to the vascular endothelial cells, and hypercoagulability. Approximately 5 to 8% of the U.S. population has one of several genetic risk factors, also known as inherited thrombophilias in which a genetic defect can be identified that increases the risk for thrombosis.[1][2] The risk factors for VTE can be classified as temporary, modifiable and non-modifiable. It is suggested that venous thrombosis also shares risk factors with arterial thrombosis, such as obesity, hypertension, smoking, and diabetes mellitus.[3]

Risk Factors

Shown below is a list of predisposing factors for VTE.[4][5] The risk factors are classified as moderate or weak depending on how strongly they predispose for a VTE.

Moderate risk factors Weak risk factors
Chemotherapy

Chronic heart failure
Respiratory failure
Hormone replacement therapy
Cancer
Oral contraceptive pills
Stroke
Pregnancy
Postpartum
❑ Prior history of VTE
Thrombophilia

❑ Advanced age

Laparoscopic surgery
❑ Prepartum
Obesity
Varicose veins

The risk factors of VTE can be further classified into modifiable, non-modifiable and temporary.

Modifiable Risk Factors

Modifiable risk factors are reversible based upon lifestyle/behavior modification.

Non-Modifiable Risk Factors

Temporary Risk Factors

Other Possible Risk Factors

Other possible factors associated with VTE include:

Risk Factors from the Nurse's Health Study

The Nurse's Health Study (NHS) investigated the risk factors for PE among 112,822 female subjects. The factors that are associated with increased PE in women are obesity, smoking, and hypertension. According to this study the relative risk (RR) and confidence interval (CI) for the occurrence of idiopathic VTE for each of the following factors are:[21]

  • Obesity: RR 2.9 (95% CI, 1.5-5.4)
  • Smoking:
    • 25 – 34 cigarettes per day: RR 1.9 (95% CI, 0.9-3.7)
    • More than 35 cigarettes per day: RR 3.3 (95% CI, 1.7-6.5)
  • Hypertension: RR 1.9 (95% CI, 1.2-2.8)
  • Hypercholesterolemia: 1.1 (95% CI, 0.62-1.8)
  • Diabetes: RR 0.7 (95% CI, 0.3-1.9)

In addition, surgery, trauma, cancer and immobilization are associated with provoked PE.

Risk Factors from the Physician's Health Study

The following factors have been associated with elevated risk of VTE among subjects in the Physicians Health Study. The relative risk for the occurrence of VTE among patients who have these factors compared to those who don't is provided below.

References

  1. CDC- Deep Vein Thrombosis (DVT) / Pulmonary Embolism (PE) — Blood Clot Forming in a Vein
  2. Beckman MG, Hooper WC, Critchley SE, Ortel TL (2010). "Venous thromboembolism: a public health concern". Am J Prev Med. 38 (4 Suppl): S495–501. doi:10.1016/j.amepre.2009.12.017. PMID 20331949.
  3. Goldhaber SZ (2010). "Risk factors for venous thromboembolism". J Am Coll Cardiol. 56 (1): 1–7. doi:10.1016/j.jacc.2010.01.057. PMID 20620709.
  4. Anderson FA, Spencer FA (2003). "Risk factors for venous thromboembolism". Circulation. 107 (23 Suppl 1): I9–16. doi:10.1161/01.CIR.0000078469.07362.E6. PMID 12814980.
  5. Torbicki A, Perrier A, Konstantinides S, Agnelli G, Galiè N, Pruszczyk P; et al. (2008). "Guidelines on the diagnosis and management of acute pulmonary embolism: the Task Force for the Diagnosis and Management of Acute Pulmonary Embolism of the European Society of Cardiology (ESC)". Eur Heart J. 29 (18): 2276–315. doi:10.1093/eurheartj/ehn310. PMID 18757870.
  6. 6.0 6.1 Holst AG, Jensen G, Prescott E (2010). "Risk factors for venous thromboembolism: results from the Copenhagen City Heart Study". Circulation. 121 (17): 1896–903. doi:10.1161/CIRCULATIONAHA.109.921460. PMID 20404252.
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