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Renal effect of dopexamine hydrochloride in patients with chronic renal dysfunction

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Summary

Dopexamine hydrochloride, a dopamine analogue, has been reported, both experimentally and clinically, to increase renal blood flow (RBF) and improve renal function in normal kidneys. The availability of computer-enhanced radionuclide scintigraphy, which provides accurate non-invasive measurement of changes in RBF, enabled us to study the renographic effects of dopexamine hydrochloride in patients with chronic renal dysfunction (CRD). Ten patients suffering from CRD and ten normal kidney donors were the study population. Renography was performed, heart rate (HR) and blood pressure (BP) measured, and hematological and biochemical tests carried out before and after intravenous infusion of dopexamine 2 μg kg-1 min-1 for 60 min. The patient population displayed signficant increases in total cortical and medullary RBF and renographic clearance rate (CR), while in kidney donors the RBF was increased in all kidney regions with no change in CR. HR increased in both groups, while BP showed no significant changes. The hematological and biochemical changes were transient and returned to preinfusion levels after 24 h. It is concluded that dopexamine hydrochloride 2 μg kg-1 min-1 increases RBF and CR in patients with CRD.

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Authors and Affiliations

  1. Urology and Nephrology Center, University of Mansoura, Mansoura, Egypt

    Mohamed M. Atallah, Mostafa M. A. Saied & Tarek A. El-Diasty

  2. Department of Anaesthesia, Addenbrooke's Hospital, Cambridge, UK

    Phil A. Gray & Gilbert R. Park

Authors
  1. Mohamed M. Atallah
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  2. Mostafa M. A. Saied
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  3. Tarek A. El-Diasty
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  4. Phil A. Gray
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  5. Gilbert R. Park
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Additional information

This study was carried out in the Urology and Nephrology Center, Mansoura, Egypt, and was partially supported by Fisons plc Pharmaceutical Division, Loughborough, UK.

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Atallah, M.M., Saied, M.M.A., El-Diasty, T.A. et al. Renal effect of dopexamine hydrochloride in patients with chronic renal dysfunction. Urol. Res. 20, 419–424 (1992). https://doi.org/10.1007/BF00294499

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  • DOI: https://doi.org/10.1007/BF00294499

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