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The way blood circulates in cats can be more complex than we think—arteriovenous fistulas create a hidden shortcut between arteries and veins. Fascinating how such tiny changes can impact feline heart health in big ways. Worth a deeper dive!
https://www.petmd.com/cat/conditions/cardiovascular/c_ct_arteriovenous_fistula
#CatCardiology #FelineHealth #HeartCare
https://www.petmd.com/cat/conditions/cardiovascular/c_ct_arteriovenous_fistula
#CatCardiology #FelineHealth #HeartCare
The way blood circulates in cats can be more complex than we think—arteriovenous fistulas create a hidden shortcut between arteries and veins. Fascinating how such tiny changes can impact feline heart health in big ways. Worth a deeper dive!
https://www.petmd.com/cat/conditions/cardiovascular/c_ct_arteriovenous_fistula
#CatCardiology #FelineHealth #HeartCare
,%20lung,%20liver,%20vena%20cava%20(major%20vein%20leading%20back%20to%20the%20heart),%20and%20gastrointestinal%20tract.%20Symptoms%20and%20Types%20The%20symptoms%20associated%20with%20an%20arteriovenous%20fistula%20will%20ultimately%20depend%20on%20the%20size%20and%20location%20of%20the%20fistula.%20Typically,%20there%20is%20a%20warm,%20non-painful%20at%20the%20site%20of%20the%20fistula.%20If%20the%20lesion%20is%20on%20a%20limb,%20the%20cat%20may%20display:%20Swelling%20where%20you%20can%20touch%20the%20limb%20and%20a%20fingertip%20impression%20is%20left%20in%20the%20skin%20(pitting%20edema)%20Lameness%20Ulceration%20Scabbing%20Gangrene%20(Tissue%20dies%20and%20turns%20green)Signs%20of%20congestive%20heart%20failure,%20which%20is%20often%20associated%20with%20this%20type%20of%20fistula,%20include:%20Coughing%20Difficulty%20breathing%20(dyspnea)%20Increased%20heart%20rate%20(tachypnea)%20Exercise%20intoleranceIf%20the%20arteriovenous%20fistula%20causes%20organ%20failure,%20your%20cat%20may%20display:%20Distention%20of%20the%20abdomen%20(liver)%20Seizures%20(brain)%20Weakness%20or%20paralysis%20(spinal%20cord)Causes%20Cats%20are%20rarely%20born%20with%20arteriovenous%20fistulas.%20Typically,%20they%20acquire%20the%20fistula%20due%20to%20traumatic%20damage%20to%20blood%20vessels,%20surgery%20complications,%20tumor(s),%20or%20problems%20arising%20from%20drawing%20blood%20or%20injections%20around%20the%20blood%20vessels%20(e.g.,%20barbiturates)%20Diagnosis%20You%20will%20need%20to%20give%20a%20thorough%20history%20of%20your%20cat%5Cu2019s%20health,%20including%20the%20onset%20and%20nature%20of%20the%20symptoms,%20to%20the%20veterinarian.%20He%20or%20she%20will%20then%20perform%20a%20complete%20physical%20examination%20as%20well%20as%20a%20biochemistry%20profile,%20urinalysis,%20complete%20blood%20count,%20and%20electrolyte%20panel%20to%20help%20identify%20complications%20associated%20with%20an%20arteriovenous%20fistula.%20Biochemical%20abnormalities,%20for%20example,%20may%20suggest%20liver,%20kidney%20or%20other%20organ%20dysfunction.%20Because%20arteriovenous%20fistulae%20significantly%20affect%20the%20cat's%20blood%20flow,%20thoracic%20x-rays%20may%20show%20enlargement%20of%20the%20heart%20and%20signs%20of%20over-circulation%20to%20the%20lungs.%20In%20addition,%20a%20Doppler%20ultrasound%20may%20show%20high-velocity,%20turbulent%20flow%20within%20the%20lesion.%20To%20locate%20the%20arteriovenous%20fistula,%20your%20veterinarian%20may%20employ%20an%20echocardiogram%20on%20the%20cat.%20And%20to%20outline%20the%20lesion,%20which%20may%20be%20necessary%20for%20definitive%20diagnosis%20and%20is%20highly%20desirable%20for%20presurgical%20evaluation,%20the%20veterinarian%20may%20use%20selective%20angiography%20Treatment%20Cats%20with%20clinical%20signs%20must%20undergo%20surgery%20to%20divide%20and%20remove%20abnormal%20connections%20between%20blood%20vessels.%20However,%20surgery%20can%20be%20difficult%20and%20labor-intensive%20and%20may%20require%20blood%20transfusions.%20Also,%20though%20often%20successful,%20the%20arteriovenous%20fistula%20may%20recur%20even%20after%20surgery.%20Some%20cats%20may%20even%20require%20amputation%20of%20the%20affected%20appendage.%20A%20newer%20treatment%20option%20called%20transcatheter%20embolization%20involves%20using%20a%20catheter%20to%20block%20blood%20vessels.%20This%20method%20is%20particularly%20advantageous%20because%20it%20is%20relatively%20noninvasive%20and%20provides%20access%20to%20remote%20lesions%20via%20the%20blood%20vessels.%20Living%20and%20Management%20Your%20veterinarian%20will%20want%20to%20schedule%20regular%20follow-up%20appointments%20to%20evaluate%20your%20cat,%20especially%20if%20it%20underwent%20surgery.%20This%20will%20also%20enable%20him%20or%20her%20to%20determine%20whether%20the%20arteriovenous%20fistula%20has%20recurred.%22%7D){kind=spacer}
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