dic
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Disseminated Intravascular Coagulation
University Duhok faculty of medical science school of nursing
Prepared by:Sirwan HamabaqiChnar SabrShadan AbdulstarPayam Nuri
Supervisor: Mr.Rasoul S.piro
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• Definition• Pathophysiology• Classification• Etiology• Tests• Clinical manifestation of DIC• Complication • Treatment• Nursing Process• Reference
CONTAIN…
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• DIC is an acquired syndrome characterized by the intravascular activation of coagulation with loss of localization arising from different causes. It can originate from and cause damage to the microvasculature, which if sufficiently severe, can produce organ dysfunction
DEFINITION
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Disseminated Intravascular Coagulation
Coagulation Anticoagulation
Balance
Coagulation Fibrinolysis
Exposure of blood to procoagulant substances
Secondary fibrinolysis( FDP formation)
widespread thrombosis systemic hemorrhagic syndrome
Clotting factors & Platelet depletion
Coagulation Fibrinolysis
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SYSTEMIC ACTIVATION OF COAGULATION
Intravascular
deposition of fibrin
Depletion of platelets
and coagulation
factors
Thrombosis of small
and midsize vessels
Bleeding
Organ failure
DEATH
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Pathophysiology
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• Acute DIC :It happened rapidly, the coagulopathy is dominant and major symptoms are bleeding and shock, mainly seen in severe infection, amniotic fluid embolism.
• Chronic DIC: it happened slowly and last several weeks, thrombosis and clotting may predominate mainly seen in cancer.
Classification.
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• DIC is not a primary disease, but a disorder secondary to numerous triggering events such as serious illnesses.
• infectious disease 31%~43%• (bacterial, viral, parasitic diseases and so on)
Bacterial infection, in particular septicemia, is commonly associated with DIC.
Etiology
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cancer 24%~34% (Acute promyelocytic leukemia, acute myelomonocytic or monocytic leukemia, disseminated prostatic carcinomaLung, breast, gastrointestinal malignancy)
Obstetric complications 4%~12%(amniotic fluid embolus, septic abortion, and so on)
Continuo
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• severe tissue injury 1%~5% (burn, heart shock, fracture and so on) Head trauma in
particular is strongly associated with DIC; both local and systemic activation of coagulation may be detected after such an event.
systemic disease (malignant hypertension , Acute respiratory distress syndrome<ARDS>, hemolytic transfusion reaction)
Continuo
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TestPlatelet count Fibrin degradation product
(FDP)Factor assayProthrombin time (PT)Activated PTTThrombin timeFibrinogenD-dimerAntithrombin
AbnormalityDecreased Increased
DecreasedProlongedProlongedProlongedDecreasedIncreasedDecreased
TESTS
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ORGAN ISCHEMIC HEMOR.Skin Pur. Fulminans
GangreneAcral cyanosis
PetechiaeEchymosisOozing
CNS Delirium/ComaInfarcts
Intracranialbleeding
Renal Oliguria/AzotemiaCortical Necrosis
Hematuria
Cardiovascular MyocardialDysfxn
Pulmonary Dyspnea/HypoxiaInfarct
Hemorrhagiclung
GIEndocrine
Ulcers, InfarctsAdrenal infarcts
Massivehemorrhage.
Clinical Manifestations of DIC
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Symptoms and Signs
BleedingThrombosisHypotension or shockOrgan dysfunction
COMPLICATION
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• Bleeding : It may occur at any site, but spontaneous bleeding
and oozing at venipuncture sites or wounds are important clues to the diagnosis.
• Thrombosis: It is most commonly manifested by digital ischemia and gangrene, renal cortical necrosis and hemorrhagic adrenal infarction may occur.
Continuo
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Treatment Modalities
• Treat the underlying cause• Provide supportive management of
complications• Stop abnormal coagulation and control
bleeding by replacement of depleted blood and clotting components(FFP, Platelets,PRBC)
• Medications can be used and choice depends on the patient’s condition (Heparin, Antithrombin III (ATIII), ( Fibrinolytic inhibitors)
TREATMENT
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• Major goals include maintenance of hemodynamic status, maintenance of intact skin and oral mucosa, maintenance of fluid balance, maintenance of tissue perfusion, enhanced coping, and absence of complications
Nursing Process--Planning the Care of the Patient With DIC
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• Assessment and interventions should target potential /actual sites of organ damage
• Monitor and assess carefully for bleeding and thrombosis
• Avoid trauma and procedures that increase the risk of bleeding, including activities that increase intracranial pressure
Interventions
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Otto, Shirley E. (2001). Oncology Porth, Carol M. (2004). Essentials of
Pathophysiology: Concepts of AlteredHealth States. Lippncott Williams &Wilkins: Philadelphia.
Web Sites:Pat Bowne, faculty Alverno College Milwaukee Wis.
• Levi M & Ten Cate H. Disseminated intravascular coagulation. N Engl J Med 341: 586 - 592, 1999.
References
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THE END
Thank you!!!