Thrombophilia natural history, complications and prognosis: Difference between revisions
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*[[Factor V Leiden]] and [[Prothrombin G20210A]]: If left untreated, the annual incidence of incident thrombosis in asymptomatic patients is low (<0.06%). However, the occurrence of recurrent thrombosis can not be predicted in such inherited thrombophilias. <ref name="pmid15254285">{{cite journal| author=Bates SM, Ginsberg JS| title=Clinical practice. Treatment of deep-vein thrombosis. | journal=N Engl J Med | year= 2004 | volume= 351 | issue= 3 | pages= 268-77 | pmid=15254285 | doi=10.1056/NEJMcp031676 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=15254285 }} </ref><ref name="pmid15900005">{{cite journal| author=Christiansen SC, Cannegieter SC, Koster T, Vandenbroucke JP, Rosendaal FR| title=Thrombophilia, clinical factors, and recurrent venous thrombotic events. | journal=JAMA | year= 2005 | volume= 293 | issue= 19 | pages= 2352-61 | pmid=15900005 | doi=10.1001/jama.293.19.2352 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=15900005 }} [http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=17213089 Review in: Evid Based Med. 2006 Apr;11(2):59] </ref><ref name="pmid12932383">{{cite journal| author=Baglin T, Luddington R, Brown K, Baglin C| title=Incidence of recurrent venous thromboembolism in relation to clinical and thrombophilic risk factors: prospective cohort study. | journal=Lancet | year= 2003 | volume= 362 | issue= 9383 | pages= 523-6 | pmid=12932383 | doi=10.1016/S0140-6736(03)14111-6 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12932383 }} </ref> | *[[Factor V Leiden]] and [[Prothrombin G20210A]]: If left untreated, the annual incidence of incident thrombosis in asymptomatic patients is low (<0.06%). However, the occurrence of recurrent thrombosis can not be predicted in such inherited thrombophilias. <ref name="pmid15254285">{{cite journal| author=Bates SM, Ginsberg JS| title=Clinical practice. Treatment of deep-vein thrombosis. | journal=N Engl J Med | year= 2004 | volume= 351 | issue= 3 | pages= 268-77 | pmid=15254285 | doi=10.1056/NEJMcp031676 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=15254285 }} </ref><ref name="pmid15900005">{{cite journal| author=Christiansen SC, Cannegieter SC, Koster T, Vandenbroucke JP, Rosendaal FR| title=Thrombophilia, clinical factors, and recurrent venous thrombotic events. | journal=JAMA | year= 2005 | volume= 293 | issue= 19 | pages= 2352-61 | pmid=15900005 | doi=10.1001/jama.293.19.2352 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=15900005 }} [http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=17213089 Review in: Evid Based Med. 2006 Apr;11(2):59] </ref><ref name="pmid12932383">{{cite journal| author=Baglin T, Luddington R, Brown K, Baglin C| title=Incidence of recurrent venous thromboembolism in relation to clinical and thrombophilic risk factors: prospective cohort study. | journal=Lancet | year= 2003 | volume= 362 | issue= 9383 | pages= 523-6 | pmid=12932383 | doi=10.1016/S0140-6736(03)14111-6 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12932383 }} </ref> | ||
*[[Protein_C|Protein C]], [[Protein_S|Protein S]], and [[Antithrombin]] deficiencies: These conditions carries an increased risk for recurrent thrombosis in untreated patients. <ref name="pmid15900005">{{cite journal| author=Christiansen SC, Cannegieter SC, Koster T, Vandenbroucke JP, Rosendaal FR| title=Thrombophilia, clinical factors, and recurrent venous thrombotic events. | journal=JAMA | year= 2005 | volume= 293 | issue= 19 | pages= 2352-61 | pmid=15900005 | doi=10.1001/jama.293.19.2352 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=15900005 }} [http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=17213089 Review in: Evid Based Med. 2006 Apr;11(2):59] </ref><ref name="pmid16670075">{{cite journal| author=De Stefano V, Simioni P, Rossi E, Tormene D, Za T, Pagnan A et al.| title=The risk of recurrent venous thromboembolism in patients with inherited deficiency of natural anticoagulants antithrombin, protein C and protein S. | journal=Haematologica | year= 2006 | volume= 91 | issue= 5 | pages= 695-8 | pmid=16670075 | doi= | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=16670075 }} </ref> | *[[Protein_C|Protein C]], [[Protein_S|Protein S]], and [[Antithrombin]] deficiencies: These conditions carries an increased risk for recurrent thrombosis in untreated patients. <ref name="pmid15900005">{{cite journal| author=Christiansen SC, Cannegieter SC, Koster T, Vandenbroucke JP, Rosendaal FR| title=Thrombophilia, clinical factors, and recurrent venous thrombotic events. | journal=JAMA | year= 2005 | volume= 293 | issue= 19 | pages= 2352-61 | pmid=15900005 | doi=10.1001/jama.293.19.2352 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=15900005 }} [http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=17213089 Review in: Evid Based Med. 2006 Apr;11(2):59] </ref><ref name="pmid16670075">{{cite journal| author=De Stefano V, Simioni P, Rossi E, Tormene D, Za T, Pagnan A et al.| title=The risk of recurrent venous thromboembolism in patients with inherited deficiency of natural anticoagulants antithrombin, protein C and protein S. | journal=Haematologica | year= 2006 | volume= 91 | issue= 5 | pages= 695-8 | pmid=16670075 | doi= | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=16670075 }} </ref> | ||
*In patients on oral anticoagulant therapy for venous thromboembolism, the annual incidence of significant bleeds is approximately 2-3%.<ref name="pmid14644891">{{cite journal| author=Linkins LA, Choi PT, Douketis JD| title=Clinical impact of bleeding in patients taking oral anticoagulant therapy for venous thromboembolism: a meta-analysis. | journal=Ann Intern Med | year= 2003 | volume= 139 | issue= 11 | pages= 893-900 | pmid=14644891 | doi= | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=14644891 | *In patients on oral anticoagulant therapy for venous thromboembolism, the annual incidence of significant bleeds is approximately 2-3%.<ref name="pmid14644891">{{cite journal| author=Linkins LA, Choi PT, Douketis JD| title=Clinical impact of bleeding in patients taking oral anticoagulant therapy for venous thromboembolism: a meta-analysis. | journal=Ann Intern Med | year= 2003 | volume= 139 | issue= 11 | pages= 893-900 | pmid=14644891 | doi= | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=14644891 }} </ref> | ||
*[[Oral contraceptives]], [[hormone replacement therapy]], and [[pregnancy]] can significantly increase thrombotic risk in patients with thrombophilia.<ref name="pmid18501222">{{cite journal| author=Dalen JE| title=Should patients with venous thromboembolism be screened for thrombophilia? | journal=Am J Med | year= 2008 | volume= 121 | issue= 6 | pages= 458-63 | pmid=18501222 | doi=10.1016/j.amjmed.2007.10.042 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=18501222 }} </ref> | *[[Oral contraceptives]], [[hormone replacement therapy]], and [[pregnancy]] can significantly increase thrombotic risk in patients with thrombophilia.<ref name="pmid18501222">{{cite journal| author=Dalen JE| title=Should patients with venous thromboembolism be screened for thrombophilia? | journal=Am J Med | year= 2008 | volume= 121 | issue= 6 | pages= 458-63 | pmid=18501222 | doi=10.1016/j.amjmed.2007.10.042 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=18501222 }} </ref> | ||
*Certain high risk thrombophilias require indefinite [[anticoagulant|anticoagulation]]. | *Certain high risk thrombophilias require indefinite [[anticoagulant|anticoagulation]]. | ||
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Asiri Ediriwickrema, M.D., M.H.S. [2] Jaspinder Kaur, MBBS[3]
Overview
The annual thrombotic risks are variable and depend on the underlying thrombophilia.[1]
Natural History
- Factor V Leiden and Prothrombin G20210A: If left untreated, the annual incidence of incident thrombosis in asymptomatic patients is low (<0.06%). However, the occurrence of recurrent thrombosis can not be predicted in such inherited thrombophilias. [2][3][4]
- Protein C, Protein S, and Antithrombin deficiencies: These conditions carries an increased risk for recurrent thrombosis in untreated patients. [3][5]
- In patients on oral anticoagulant therapy for venous thromboembolism, the annual incidence of significant bleeds is approximately 2-3%.[6]
- Oral contraceptives, hormone replacement therapy, and pregnancy can significantly increase thrombotic risk in patients with thrombophilia.[7]
- Certain high risk thrombophilias require indefinite anticoagulation.
Complications
- The primary complication of thrombophilia is the development of blood clots, also known as thrombus formation.
- The most common complications of thrombophilia are as follows: [1][2][7]
- Deep vein thrombosis
- Pulmonary embolism
- Postthrombotic syndrome (PTS) with chronic venous ulceration (CVU)
Table 1: The risk of future thrombosis in patients with thrombophilia:
| Thrombotic risk[2] | Thrombophilic state |
|---|---|
| Modest | Trauma/General surgery, Age > 60, Immobilization, Pregnancy, Hormone therapies, Factor V Leiden heterozygosity, Prothrombin mutation, Homocysteinemia, Increased factor VIII levels, Increased factor IX levels, Increased factor XI levels |
| Intermediate | Protein C and S deficiency, Dysfibrogenemia |
| High | Malignancy, APLS/Lupus anticoagulant, Myeloproliferative disorders/hyperviscosity, PNH, Orthopedic surgery, Antithrombin deficiency, Factor V Leiden homozygosity |
Table 2: The effect of concurrent hormone exposure on incident thrombosis and thrombotic risk in patients with underlying thrombophilia:
| Thrombophilic state | Annual Incidence (%) | Relative Risk |
|---|---|---|
| Normal | 0.008 | 1 |
| Factor V Leiden heterozygous | 0.06 | 3-10 |
| Factor V Leiden homozygous | 0.5-1 | 80 |
| Prothrombin G20210A | 0.02 | 1-5 |
| Oral contraceptive (OCP) | 0.03 | 4 |
| OCP and factor V leiden heterozygous | 0.3 | 35 |
| OCP and factor V leiden homozygous | 100 | |
| OCP and prothrombin G20210A | 16 | |
| OCP and protein C/S, or antithrombin III deficiency | 9.7 | |
| Pregnancy | 7 | |
| Pregnancy and factor V leiden heterozygous | 35 | |
| Cancer | 5 | |
| History of venous thrombosis | 50 |
Prognosis
- The prognosis depends on the underlying thrombophilia as each disorder has a different associated thrombotic risk.
- Thrombophilias associated with the development of multiple or atypical clots, arterial thrombosis, or life-threatening thrombosis carries worse prognosis which are as follows:
- High risk thrombophilic conditions require consideration for lifelong anticoagulation under the supervision of an expert consultant.
- Antiphospholipid Syndrome
- Paroxysmal nocturnal hemoglobinuria
- Recurrent thrombosis regardless of underlying thrombophilia
- History of life-threatening thrombosis or atypical locations
- Malignancy with history of thrombosis
References
- ↑ 1.0 1.1 Bauer KA (2001). "The thrombophilias: well-defined risk factors with uncertain therapeutic implications". Ann Intern Med. 135 (5): 367–73. PMID 11529700.
- ↑ 2.0 2.1 2.2 Bates SM, Ginsberg JS (2004). "Clinical practice. Treatment of deep-vein thrombosis". N Engl J Med. 351 (3): 268–77. doi:10.1056/NEJMcp031676. PMID 15254285.
- ↑ 3.0 3.1 Christiansen SC, Cannegieter SC, Koster T, Vandenbroucke JP, Rosendaal FR (2005). "Thrombophilia, clinical factors, and recurrent venous thrombotic events". JAMA. 293 (19): 2352–61. doi:10.1001/jama.293.19.2352. PMID 15900005. Review in: Evid Based Med. 2006 Apr;11(2):59
- ↑ Baglin T, Luddington R, Brown K, Baglin C (2003). "Incidence of recurrent venous thromboembolism in relation to clinical and thrombophilic risk factors: prospective cohort study". Lancet. 362 (9383): 523–6. doi:10.1016/S0140-6736(03)14111-6. PMID 12932383.
- ↑ De Stefano V, Simioni P, Rossi E, Tormene D, Za T, Pagnan A; et al. (2006). "The risk of recurrent venous thromboembolism in patients with inherited deficiency of natural anticoagulants antithrombin, protein C and protein S." Haematologica. 91 (5): 695–8. PMID 16670075.
- ↑ Linkins LA, Choi PT, Douketis JD (2003). "Clinical impact of bleeding in patients taking oral anticoagulant therapy for venous thromboembolism: a meta-analysis". Ann Intern Med. 139 (11): 893–900. PMID 14644891.
- ↑ 7.0 7.1 Dalen JE (2008). "Should patients with venous thromboembolism be screened for thrombophilia?". Am J Med. 121 (6): 458–63. doi:10.1016/j.amjmed.2007.10.042. PMID 18501222.