Intraocular hemorrhage: Difference between revisions

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==Ocular Anatomy==
==Ocular Anatomy==
Line 48: Line 48:


==Causes==
==Causes==
In general, vitreous hemorrhage results from tears of the retina or neovascularization of the retina
===Common Causes===
*Proliferative [[diabetic retinopathy]]
*[[Posterior vitreous detachment]]
*[[Trauma]] (blunt or penetrating, including [[shaken baby syndrome]]/child abuse)
*[[Retinal tear]]
*[[Central retinal vein]] occlusion
*[[Hypertensive retinopathy]]
*[[Subarachnoid hemorrhage]] ([[Terson syndrome]])
*Avulsed retinal vessels
*Age-related [[macular degeneration]]
*[[Radiation]] retinopathy
*Macro[[aneurysm]]s


===Common Causes in Descending Order of Frequency===
===Causes by Organ System===
{|style="width:80%; height:100px" border="1"
|style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" |'''Cardiovascular'''
|style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | [[Avulsed retinal vessels]],  [[Branch retinal artery occlusion]],  [[Central retinal artery occlusion]],  [[Central retinal vein occlusion]],  [[Disseminated intravascular coagulation]],  [[Dominant exudative vitreoretinopathy]],  [[Eales disease ]],  [[Hypertensive retinopathy]],  [[Macroaneurysms]],  [[Neovascularization]],  [[Ocular ischemic syndrome]],  [[Persistent hyaloid artery]],  [[Retinal vasculitis]],  [[Thrombolysis]],  [[Vascular loop venous stasis retinopathy]]
|-
|bgcolor="LightSteelBlue"| '''Chemical/Poisoning'''
|bgcolor="Beige"| [[Talc retinopathy]]
|-
|-bgcolor="LightSteelBlue"
| '''Dental'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Dermatologic'''
|bgcolor="Beige"| [[Behçet disease]], [[Cavernous hemangioma ]], [[Melanocytoma ]]
|-
|-bgcolor="LightSteelBlue"
| '''Drug Side Effect'''
|bgcolor="Beige"| [[Anticoagulants]],  [[Antiphospholipid antibodies]],  [[Drug side effect]],  [[Ocriplasmin]]
|-
|-bgcolor="LightSteelBlue"
| '''Ear Nose Throat'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Endocrine'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Environmental'''
|bgcolor="Beige"| [[High altitude]]
|-
|-bgcolor="LightSteelBlue"
| '''Gastroenterologic'''
|bgcolor="Beige"| [[Astrocytic hamartoma]]
|-
|-bgcolor="LightSteelBlue"
| '''Genetic'''
|bgcolor="Beige"| [[Incontinentia pigmenti]],  [[Norrie disease]],  [[Sarcoid posterior uveitis]],  [[Von willebrand syndrome]]
|-
|-bgcolor="LightSteelBlue"
| '''Hematologic'''
|bgcolor="Beige"| [[Anticoagulants]],  [[Antiphospholipid antibodies]],  [[Coats disease ]],  [[Congenital prepapillary]],  [[Hemophilia]],  [[Hyperviscosity syndrome]],  [[Idiopathic thrombocytopenia purpura]],  [[Leukemia]],  [[Proliferative sickle cell retinopathy]],  [[Retinal angiomatosis]],  [[Retinal macroaneurysm rupture]],  [[Subarachnoid hemorrhage ]],  [[Thrombocytopenia]],  [[Thrombotic thrombocytopenic purpura]],  [[Von willebrand syndrome]]
|-
|-bgcolor="LightSteelBlue"
| '''Iatrogenic'''
|bgcolor="Beige"| [[Intraocular lens implantation ]],  [[Intraocular lens removal]],  [[Intruding scleral buckle]],  [[Radiation retinopathy]],  [[Retinal laser photocoagulation]],  [[Trabeculectomy]]
|-
|-bgcolor="LightSteelBlue"
| '''Infectious Disease'''
|bgcolor="Beige"| [[Presumed ocular histoplasmosis syndrome]],  [[Syphilitic retinitis]],  [[Toxocara]],  [[Uveitis ]]
|-
|-bgcolor="LightSteelBlue"
| '''Musculoskeletal/Orthopedic'''
|bgcolor="Beige"| [[Dermatomyositis]]
|-
|-bgcolor="LightSteelBlue"
| '''Neurologic'''
|bgcolor="Beige"| [[Cavernous hemangioma ]],  [[Macroaneurysms]],  [[Subarachnoid hemorrhage ]],  [[Thrombolysis]]
|-
|-bgcolor="LightSteelBlue"
| '''Nutritional/Metabolic'''
|bgcolor="Beige"| [[Proliferative diabetic retinopathy]],  [[Protein c deficiency]]
|-
|-bgcolor="LightSteelBlue"
| '''Obstetric/Gynecologic'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Oncologic'''
|bgcolor="Beige"| [[Astrocytic hamartoma ]],  [[Leukemia]],  [[Malignant choroidal melanoma]],  [[Melanocytoma ]],  [[Retinoblastoma]],  [[Tumors]]
|-
|-bgcolor="LightSteelBlue"
| '''Ophthalmologic'''
|bgcolor="Beige"| [[Age-related macular degeneration]],  [[Avulsed retinal vessels]],  [[Branch retinal artery occlusion]],  [[Central retinal artery occlusion]],  [[Central retinal vein occlusion]],  [[Coats disease ]],  [[Congenital prepapillary]],  [[Dominant exudative vitreoretinopathy]],  [[Eales disease ]],  [[Globe perforation]],  [[Hypertensive retinopathy]],  [[Intraocular lens implantation ]],  [[Intraocular lens removal]],  [[Intruding scleral buckle]],  [[Malignant choroidal melanoma]],  [[Norrie disease]],  [[Ocular ischemic syndrome]],  [[Orbital fracture]],  [[Persistent hyaloid artery]],  [[Pigmentosa valsalva retinopathy]],  [[Posterior vitreous detachment]],  [[Presumed ocular histoplasmosis syndrome]],  [[Proliferative sickle cell retinopathy]],  [[Proliferative diabetic retinopathy]],  [[Radiation retinopathy]],  [[Retinal angiomatosis]],  [[Retinal detachment]],  [[Retinal macroaneurysm rupture]],  [[Retinal tear]],  [[Retinal laser photocoagulation]],  [[Retinal vasculitis]],  [[Retinitis]],  [[Retinoblastoma]],  [[Retinopathy of prematurity]],  [[Sarcoid posterior uveitis]],  [[Talc retinopathy]],  [[Trabeculectomy]]
|-
|-bgcolor="LightSteelBlue"
| '''Overdose/Toxicity'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Psychiatric'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Pulmonary'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Renal/Electrolyte'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Rheumatology/Immunology/Allergy'''
|bgcolor="Beige"| [[Behçet disease]],  [[Dermatomyositis]],  [[Inflammation]],  [[Systemic lupus erythematosus ]]
|-
|-bgcolor="LightSteelBlue"
| '''Sexual'''
|bgcolor="Beige"| [[Syphilitic retinitis]]
|-
|-bgcolor="LightSteelBlue"
| '''Trauma'''
|bgcolor="Beige"| [[Globe perforation]],  [[Orbital fracture]],  [[Retinal detachment]],  [[Retinal tear]],  [[Trauma]]
|-
|-bgcolor="LightSteelBlue"
| '''Urologic'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Miscellaneous'''
|bgcolor="Beige"| No underlying causes
|-
|}


Proliferative [[diabetic retinopathy]]
===Causes in Alphabetical Order===
 
{{columns-list|
[[Posterior vitreous detachment]]
*[[Age-related macular degeneration]]
 
*[[Anticoagulants]]
[[Trauma]] (blunt or penetrating, including [[shaken baby syndrome]]/child abuse)
*[[Antiphospholipid antibodies]]
 
*[[Astrocytic hamartoma ]]
[[Retinal tear]]
*[[Avulsed retinal vessels]]
 
*[[Behçet disease]]
[[Central retinal vein]] occlusion
*[[Branch retinal artery occlusion]]
 
*[[Cavernous hemangioma ]]
[[Hypertensive retinopathy]]
*[[Central retinal artery occlusion]]
 
*[[Central retinal vein occlusion]]
[[Subarachnoid hemorrhage]] ([[Terson syndrome]])
*[[Coats disease ]]
 
*[[Congenital prepapillary]]
Avulsed retinal vessels
*[[Dermatomyositis]]
 
*[[Disseminated intravascular coagulation]]
Age-related [[macular degeneration]]
*[[Dominant exudative vitreoretinopathy]]
 
*[[Drug side effect]]
[[Radiation]] retinopathy
*[[Eales disease ]]
 
*[[Globe perforation]]
Macro[[aneurysm]]s
*[[Hemophilia]]
 
*[[High altitude]]
===Others Rare Causes of Vitreous Hemorrhage Include the Following===
*[[Hypertensive retinopathy]]
 
*[[Hyperviscosity syndrome]]
====Complications of Surgical Procedures====
*[[Idiopathic thrombocytopenia purpura]]
Retinal [[laser photocoagulation]]
*[[Incontinentia pigmenti]]
 
*[[Inflammation]]
Intruding (scleral erosion) [[scleral buckle]]
*[[Intraocular lens implantation ]]
 
*[[Intraocular lens removal]]
[[Trabeculectomy]]
*[[Intruding scleral buckle]]
 
*[[Leukemia]]
Globe perforation during retrobulbar or peribulbar surgery/anesthesia
*[[Macroaneurysms]]
 
*[[Malignant choroidal melanoma]]
Intraocular lens implantation or removal
*[[Melanocytoma ]]
 
*[[Neovascularization]]
Neovascularization from [[cataract]] wound
*[[Norrie disease]]
 
*[[Ocriplasmin]]
====Tumors====
*[[Ocular ischemic syndrome]]
 
*[[Orbital fracture]]
Malignant choroidal [[melanoma]]
*[[Persistent hyaloid artery]]
 
*[[Pigmentosa valsalva retinopathy]]
[[Melanocytoma]] of optic nerve disc
*[[Posterior vitreous detachment]]
 
*[[Presumed ocular histoplasmosis syndrome]]
Astrocytic hamartoma of the retina
*[[Proliferative sickle cell retinopathy]]
 
*[[Proliferative diabetic retinopathy]]
[[Retinoblastoma]]
*[[Protein c deficiency]]
 
*[[Radiation retinopathy]]
[[Cavernous hemangioma]] of optic nerve disc
*[[Retinal angiomatosis]]
 
*[[Retinal detachment]]
====Vascular/Neovascular====
*[[Retinal macroaneurysm rupture]]
[[Coats disease]] / retinal telangiectasia
*[[Retinal tear]]
 
*[[Retinal laser photocoagulation]]
[[Retinopathy of prematurity]] (ROP)
*[[Retinal vasculitis]]
 
*[[Retinitis]]
Ocular ischemic syndrome
*[[Retinoblastoma]]
 
*[[Retinopathy of prematurity]]
Branch retinal artery occlusion
*[[Sarcoid posterior uveitis]]
 
*[[Subarachnoid hemorrhage ]]
[[Central retinal artery]] occlusion
*[[Syphilitic retinitis]]
 
*[[Systemic lupus erythematosus ]]
Retinal angiomatosis
*[[Talc retinopathy]]
 
*[[Thrombocytopenia]]
Retinal [[vasculitis]]
*[[Thrombolysis]]
 
*[[Thrombotic thrombocytopenic purpura]]
[[Hyperviscosity syndrome]]
*[[Toxocara]]
 
*[[Trabeculectomy]]
[[Sarcoid]] posterior [[uveitis]]
*[[Trauma ]]
 
*[[Tumors]]
Persistent hyaloid artery
*[[Uveitis ]]
 
*[[Vascular loop venous stasis retinopathy]]
Congenital prepapillary
*[[Von willebrand syndrome]]
 
}}
Vascular loop venous stasis retinopathy
 
Dominant (familial) exudative vitreoretinopathy
 
Incontinentia pigmenti
 
[[Norrie disease]]
 
====Inflammation====
[[Behçet disease]]
 
Presumed ocular [[histoplasmosis]] syndrome
 
[[Eales disease]] (also known as also known as [[angiopathia retinae juvenilis]], [[periphlebitis retinae]], [[primary perivasculitis of the retina]])
 
[[Uveitis]] (including pars planitis)
 
[[Syphilitic]] retinitis
 
[[Dermatomyositis]]
 
[[Systemic lupus erythematosus]] ([[SLE]])
 
[[Toxocara]]
 
====Hematologic Disorders====
[[Thrombocytopenia]]
 
[[Idiopathic thrombocytopenia purpura]]
 
[[Thrombotic thrombocytopenic purpura]]
 
[[Leukemia]]
 
[[Hemophilia]]
 
[[Disseminated intravascular coagulation]]
 
[[Protein C deficiency]]
 
[[Antiphospholipid antibodies]]
 
Von Willebrand syndrome
 
====Miscellaneous Causes====
 
* Talc retinopathy
* [[Retinitis]]
* Pigmentosa Valsalva retinopathy
* Drug side effect
:* [[Ocriplasmin]]


==External Links==
==External Links==
Line 192: Line 264:
{{WikiDoc Sources}}
{{WikiDoc Sources}}


[[category:Primary care]]
[[Category:Ophthalmology]]
[[Category:Ophthalmology]]
[[Category:Emergency medicine]]
[[Category:Emergency medicine]]
[[Category:Medical signs]]
[[Category:Signs and symptoms]]
[[Category:Signs and symptoms]]

Latest revision as of 22:25, 29 July 2020

Intraocular hemorrhage

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Luke Rusowicz-Orazem, B.S.

Ocular Anatomy

The volume of the vitreous in the adult is about 4 cc or 80% of the volume of the eye's globe. Water makes up 99% of the vitreous content. The remaining 1% mostly is composed of collagen and hyaluronic acid which although clear, causes the vitreous to be gelatinous.

The vitreous is attached to the retina in three locations. The vitreous base refers to a 4 mm circular band where the vitreous body attaches to the anterior retina (ora serrata). This is the strongest of the three attachments. The vitreous also attaches in a circular zone around the optic nerve head. This is the second strongest attachment of the vitreous. This attachment becomes progressively weaker with advanced age, and it is this attachment that may become separated in posterior vitreous detachment.

The vitreous is itself avascular and therefore the blood in vitreous hemorrhage comes from organs outside the vitreous. When hemorrhage occurs into the vitreous, it accumulates in potential spaces within and around the vitreous body. These potential spaces for blood to accumulate include the following:

  1. The retrolental space of Erggelet
  2. The canal of Petit
  3. The Cloquet canal
  4. The bursa premacularis
  5. The canal of Hannover (between the orbiculoanterocapsular and posterocapsular portions of the zonular fibers)

The borders of the vitreous body are as follows:

Posterior: The internal limiting membrane of the retina

Anterior: The nonpigmented epithelium of the ciliary body, and anteriorly by the lens zonular fibers and posterior lens capsule.

Pathophysiology

The two most common overarching pathophysiologic mechanisms of vitreous hemorrhage involve hemorrhage into the vitreous from a diseased retina or trauma. Specific pathophysiologic mechanisms are discussed below:

Extraocular Causes of Vitreal Hemorrhage

Diabetes and sickle cell disease are obvious extraocular diseases that are associated with retinopathy. Retinopathy is characterized by neovascular vessels, fragile vessels, occluded vessels and ischemic vessels, all of which increase the risk of vitreous hemorrhage. The disorders are associated with retinal ischemia which in turn causes the release of angiogenic growth factors including vascular endothelial growth factor (VEGF), basic fibroblast growth factors (bFGF), and insulin-like growth factor (IGF).

Trauma is another major pathophysiologic mechanism of intraocular hemorrhage.

Conditions that may increase the risk of vitreal hemorrhage also include coagulation disorders (e.g. leukemia and thrombocytopenia). While coagulation disorders may not themselves be primarily associated with bleeding, in the presence of trauma or retinopathy they may secondarily increase the risk of bleeding. Autoimmune / collagen vascular disorders such as Behcets disease and sarcoid have also been associated with an increased risk of intraocular hemorrhage. Thus a careful history should be obtained regarding all these systemic / extraocular causes.

Subretinal Bleeeding with Breakthrough Bleeding into the Vitreous

Other less common pathological mechanisms of vitreous hemorrhage include subretinal bleeding with secondary extension into the vitreous cavity.

Age-related macular degeneration and choroidal melanoma are the two leading causes of vitreous hemorrhage secondary to breakthrough bleeding. Terson syndrome is subarachnoid hemorrhage associated with vitreous bleeding caused by rupture of retinal venules and/or capillaries as a result of a sudden increase in intracranial pressure (which is transmitted to the retinal vasculature via the optic nerve).

Subarachnoid Hemorrhage and Associated Intraocular Hemorhhage

Approximately one of three patients with subarachnoid hemorrhage will sustain an intraocular hemorrhage, and approximately 6% of patients have vitreous hemorrhage.

Terson Syndrome

In this condition, the branches of the central retinal vein or the central retinal vein itself are generally the source of intraocular bleeding. This syndrome occurs predominantly in patients aged 30 to 50 years.

Causes

Common Causes

Causes by Organ System

Cardiovascular Avulsed retinal vessels, Branch retinal artery occlusion, Central retinal artery occlusion, Central retinal vein occlusion, Disseminated intravascular coagulation, Dominant exudative vitreoretinopathy, Eales disease , Hypertensive retinopathy, Macroaneurysms, Neovascularization, Ocular ischemic syndrome, Persistent hyaloid artery, Retinal vasculitis, Thrombolysis, Vascular loop venous stasis retinopathy
Chemical/Poisoning Talc retinopathy
Dental No underlying causes
Dermatologic Behçet disease, Cavernous hemangioma , Melanocytoma 
Drug Side Effect Anticoagulants, Antiphospholipid antibodies, Drug side effect, Ocriplasmin
Ear Nose Throat No underlying causes
Endocrine No underlying causes
Environmental High altitude
Gastroenterologic Astrocytic hamartoma
Genetic Incontinentia pigmenti, Norrie disease, Sarcoid posterior uveitis, Von willebrand syndrome
Hematologic Anticoagulants, Antiphospholipid antibodies, Coats disease , Congenital prepapillary, Hemophilia, Hyperviscosity syndrome, Idiopathic thrombocytopenia purpura, Leukemia, Proliferative sickle cell retinopathy, Retinal angiomatosis, Retinal macroaneurysm rupture, Subarachnoid hemorrhage , Thrombocytopenia, Thrombotic thrombocytopenic purpura, Von willebrand syndrome
Iatrogenic Intraocular lens implantation , Intraocular lens removal, Intruding scleral buckle, Radiation retinopathy, Retinal laser photocoagulation, Trabeculectomy
Infectious Disease Presumed ocular histoplasmosis syndrome, Syphilitic retinitis, Toxocara, Uveitis 
Musculoskeletal/Orthopedic Dermatomyositis
Neurologic Cavernous hemangioma , Macroaneurysms, Subarachnoid hemorrhage , Thrombolysis
Nutritional/Metabolic Proliferative diabetic retinopathy, Protein c deficiency
Obstetric/Gynecologic No underlying causes
Oncologic Astrocytic hamartoma , Leukemia, Malignant choroidal melanoma, Melanocytoma , Retinoblastoma, Tumors
Ophthalmologic Age-related macular degeneration, Avulsed retinal vessels, Branch retinal artery occlusion, Central retinal artery occlusion, Central retinal vein occlusion, Coats disease , Congenital prepapillary, Dominant exudative vitreoretinopathy, Eales disease , Globe perforation, Hypertensive retinopathy, Intraocular lens implantation , Intraocular lens removal, Intruding scleral buckle, Malignant choroidal melanoma, Norrie disease, Ocular ischemic syndrome, Orbital fracture, Persistent hyaloid artery, Pigmentosa valsalva retinopathy, Posterior vitreous detachment, Presumed ocular histoplasmosis syndrome, Proliferative sickle cell retinopathy, Proliferative diabetic retinopathy, Radiation retinopathy, Retinal angiomatosis, Retinal detachment, Retinal macroaneurysm rupture, Retinal tear, Retinal laser photocoagulation, Retinal vasculitis, Retinitis, Retinoblastoma, Retinopathy of prematurity, Sarcoid posterior uveitis, Talc retinopathy, Trabeculectomy
Overdose/Toxicity No underlying causes
Psychiatric No underlying causes
Pulmonary No underlying causes
Renal/Electrolyte No underlying causes
Rheumatology/Immunology/Allergy Behçet disease, Dermatomyositis, Inflammation, Systemic lupus erythematosus 
Sexual Syphilitic retinitis
Trauma Globe perforation, Orbital fracture, Retinal detachment, Retinal tear, Trauma
Urologic No underlying causes
Miscellaneous No underlying causes

Causes in Alphabetical Order

External Links

References

Template:Eye Template:Visual system Template:Retina Template:Arteries of head and neck Template:Veins of the head and neck


Template:WikiDoc Sources

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