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      Prostaglandin E 2 Promotes Hypotension on Low-Sodium Hemodialysis

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          The influence of low-sodium dialysate (126 mmol/l) on plasma levels of prostaglandin E<sub>2</sub> (PGE<sub>2</sub>) and PGF<sub>2α</sub>, plasma renin activity (PRA) and arterial blood pressure was investigated in 16 patients on maintenance hemodialysis. PGE<sub>2</sub> rose more than tenfold and there was a significant increase in PGF<sub>2α</sub> and PRA. Mean arterial pressure dropped by 30 mm Hg causing discomfort in several patients. By contrast, conventional hemodialysis against 140 mmol/l of sodium was followed by less pronounced changes in plasma prostaglandins, and reduction of blood pressure was moderate (13 mm Hg). It is suggested that vasodilating prostaglandins may contribute to dialysis hypotension. Their origin may not be confined to the kidneys but rather extend to the lungs and circulating blood cells. The in vitro generation of prostaglandins was demonstrated when donor blood was circulated in an extracorporeal dialysis system.

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          Author and article information

          S. Karger AG
          04 December 2008
          : 37
          : 4
          : 250-256
          aMedizinische Klinik und Poliklinik, bAbteilung für Gynäkologische Endokrinologie, Klinikum Steglitz, Freie Universität, Berlin
          183259 Nephron 1984;37:250–256
          © 1984 S. Karger AG, Basel

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          Page count
          Pages: 7
          Original Paper

          Cardiovascular Medicine, Nephrology

          Hypotension, Prostaglandins, Renin, Sodium, Hemodialysis


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