PERITONEOVENOUS ASCITES SHUNT
\pˌɛɹɪtˈə͡ʊnə͡ʊvnəs ɐssˈa͡ɪts ʃˈʌnt], \pˌɛɹɪtˈəʊnəʊvnəs ɐssˈaɪts ʃˈʌnt], \p_ˌɛ_ɹ_ɪ_t_ˈəʊ_n_əʊ_v_n_ə_s ɐ_s_s_ˈaɪ_t_s ʃ_ˈʌ_n_t]\
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An operation for the continuous emptying of ascitic fluid into the venous system. Fluid removal is based on intraperitoneal and intrathoracic superior vena cava pressure differentials and is performed via a pressure-sensitive one-way valve connected to a tube traversing the subcutaneous tissue of the chest wall to the neck where it enters the internal jugular vein and terminates in the superior vena cava. It is used in the treatment of intractable ascites.
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Word of the day
hydromorphic
- [Greek] Structurally adapted to an aquatic environment, as organs of water plants.