Liječenje iznenadne bradikardije i arterijske hipotenzije tijekom ekscizije feokromocitoma u psa – prikaz slučaja

An 11-year-old female spayed Shih Tzu was presented with a history of weight loss, lethargy and a heart murmur. After extensive diagnostics, an adrenal mass was discovered, suspected to be a pheochromocytoma, and surgical excision was planned. During anesthesia, no signs of catecholamine discharge were seen. However, sudden bradycardia and hypotension occurred, necessitating anticholinergic therapy. Such therapy is usually contraindicated in patients with pheochromocytoma due to the risk of significant tachycardia, cardiac arrhythmias, and arterial hypertension. No adverse effects were noted, and the dog recovered uneventfully from the procedure.Sterilizirana ženka pasmine ši-cu, starosti 11 godina, zaprimljena je zbog gubitka težine, letargije i srčanog šuma. Nakon opsežne dijagnostike, otkrivena je tvorba na nadbubregu te je postavljena sumnja na feokromocitom i planirana je njegova kirurška ekscizija. Tijekom anestezije nisu uočeni znakovi otpuštanja katekolamina. Naprotiv, nastupile su iznenadna bradikardija i hipotenzija, koje su zahtijevale terapiju antikolinergicima. Takva je terapija obično kontraindicirana u bolesnika s feokromocitomom zbog rizika razvoja tahikardije, srčanih aritmija i arterijske hipertenzije. Nisu primijećeni nikakvi štetni učinci terapije antikolinergikom, niti postoperativne komplikacije

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