Aortic Thromboembolism
Systemic arterial thromboembolism
Tiež známe ako: FATE, Feline Aortic Thromboembolism, Saddle Thrombus, Saddle Embolus, Systemic Arterial Thromboembolism
Stručne
Aortic thromboembolism, or saddle thrombus, is a sudden, life-threatening emergency in dogs and cats where a blood clot blocks blood flow to the hind limbs. This guide explains the causes, critical warning signs, diagnostic process, and intensive treatment options for this severe cardiovascular condition.
TL;DR. Sedlový trombus: náhla núdza blokujúca prietok do panvových končatín; extrémna bolesť a obrna.
Trombus sedí na trifurkcii aorty.
Čo to je?
Saddle thrombus: cardiac embolus lodges at the aortic trifurcation, cutting hind-limb flow. Ischemia leads to rhabdomyolysis, nerve injury, paresis/paralysis, and extreme pain.
Príčiny a rizikové faktory
Cat: usually HCM with enlarged left atrium. Dog: hypercoagulable states (Cushing, protein-losing nephropathy, IMHA, neoplasia, sepsis, pancreatitis, etc.).
Známky, na ktoré treba dávať pozor
- Severe pain, hind paresis/paralysis, absent femoral pulses (cardinal)
- Cold limbs, pale/cyanotic pads, tachypnea, hypothermia (common)
- Muscle contracture, murmur/arrhythmia (occasional)
Bledé alebo namodralé vankúšiky a studené labky sú klasické.
Ako veterinári diagnostikujú
Clinical five Ps (pain, paresis, pulselessness, pallor, poikilothermia). Echocardiography, abdominal ultrasound/Doppler, thoracic radiographs before diuretics, CK/AST, TEG if available.
Echo ukáže zväčšenie predsiene a často trombus alebo dym.
Možnosti liečby
Opioid analgesia. Anticoagulation: heparin, LMWH; long-term clopidogrel, sometimes aspirin. Oxygen; cautious fluids. Monitor reperfusion injury (hyperkalemia).
Prognóza
Poor: high acute mortality/euthanasia; recurrences common.
Prevencia
Early cardiac screening; clopidogrel if marked LA enlargement. Treat underlying disease in dogs.
Kedy volať veterinára
Category-5 emergency: sudden hind-limb paralysis, crying in pain, cold pale paws, severe dyspnea.
Zdroje
- Small Animal Critical Care Medicine, 2nd Edition, p. 253
- Textbook of Veterinary Internal Medicine, 5th Edition, pp. 235, 236, 244
My highlights & notes
Príznaky a prejavy
Plemená s vyšším rizikom
Ako sa diagnostikuje
- Abdominal Ultrasonography
- Angiography
- Doppler studies
- Echocardiography
- Measurement of muscle enzymes
- Thoracic radiography
- Thromboelastography
Prístupy k liečbe
Liečbu musí predpísať licencovaný veterinár. Konkrétne dávky zámerne neuvedujeme.
Časté otázky
What is Aortic Thromboembolism?
Aortic thromboembolism, or saddle thrombus, is a sudden, life-threatening emergency in dogs and cats where a blood clot blocks blood flow to the hind limbs. This guide explains the causes, critical warning signs, diagnostic process, and intensive treatment options for this severe cardiovascular condition.
What are the symptoms of Aortic Thromboembolism?
Absent arterial pulse、Acute limb paresis、Pain、Posterior paresis、Azotemia (high kidney waste in the blood)、Cool distal limbs、Cyanotic nailbeds、Difficulty breathing (dyspnea)
How is Aortic Thromboembolism diagnosed?
Abdominal Ultrasonography、Angiography、Doppler studies、Echocardiography、Measurement of muscle enzymes、Thoracic radiography
How is Aortic Thromboembolism treated?
Liečbu musí predpísať licencovaný veterinár. Konkrétne dávky zámerne neuvedujeme.
Zdroje
- Small Animal Critical Care Medicine, 2nd Edition (VetBooks.ir) · p. 253
- Internal Medicine 5th · p. 236
- Internal Medicine 5th · p. 244
- Internal Medicine 5th · p. 235
- Internal Medicine 5th · p. 236
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