PMID: 2210810Oct 1, 1990Paper

Diurnal cardiovascular patterns in spontaneously hypertensive and Wistar-Kyoto rats

Hypertension
R HenryM P Printz

Abstract

This study was designed to determine whether diurnal patterns of blood pressure, heart rate, or locomotor activity differed among two substrains of Wistar-Kyoto rats, derived originally from Charles River or Taconic Farms stock, or the spontaneously hypertensive rat. Cardiovascular parameters were continuously monitored over 24 hours. Resting systolic and diastolic blood pressure values were statistically different among the three groups both during the lights-on (rest) and lights-off (active) phases of the cycle with blood pressure of spontaneously hypertensive rats greater than that of Wistar-Kyoto rats from Taconic Farms, which was greater than that of Wistar-Kyoto rats from Charles River. The largest difference in arterial pressure between Wistar-Kyoto/Taconic Farms and Wistar-Kyoto/Charles River was during the lights-on period. Heart rates of all rats decreased during the lights-on period; Wistar-Kyoto/Charles River had the largest decrease (-70 +/- 5 beats/min), Wistar-Kyoto/Taconic Farms had the least (-17 +/- 2 beats/min), and in spontaneously hypertensive rats the decrease was intermediate (-29 +/- 3 beats/min). The pronounced diurnal variation in pressure and heart rate exhibited by Wistar-Kyoto/Charles River was not ...Continue Reading

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Citations

Feb 1, 1994·Physiology & Behavior·B J JanssenW J Rietveld
Nov 22, 1997·European Journal of Pharmacology·M ShibasakiI Yanagisawa
Mar 21, 2002·Clinical and Experimental Pharmacology & Physiology·V BaudrieJ L Elghozi
Dec 5, 1997·Journal of Cardiovascular Pharmacology·K TamuraK Hashimoto
Feb 24, 2001·American Journal of Veterinary Research·T MatsunagaY Shibutani
Aug 10, 2000·Journal of Hypertension·V GrossF C Luft
Oct 14, 2004·Journal of Hypertension·Geoffrey A HeadMaarten van den Buuse
Oct 8, 1999·Clinical and Experimental Hypertension : CHE·A A Palmer, M P Printz
Apr 19, 2005·Alcoholism, Clinical and Experimental Research·Mahmoud M El-Mas, Abdel A Abdel-Rahman
Dec 3, 2014·Behavioural Brain Research·Caroline A BrowneIrwin Lucki
Dec 29, 2007·The Journal of Pharmacology and Experimental Therapeutics·Tamara J van SteegElizabeth C M de Lange
Nov 23, 2018·Hypertension Research : Official Journal of the Japanese Society of Hypertension·Sho TanakaMasanori Abe
Oct 7, 1998·Journal of Applied Physiology·M M MoranR E Grindeland
Sep 15, 2017·Chronobiology International·Germán Domínguez-VíasManuel Ramírez-Sánchez
Apr 22, 2017·Frontiers in Physiology·Tonja W EmansC T Paul Krediet
Aug 16, 2002·American Journal of Physiology. Heart and Circulatory Physiology·Adamu AlemayehuMorton P Printz
May 28, 2020·Journal of Human Hypertension·Fernanda S ThomazMarloes Dekker Nitert
Sep 1, 1994·Japanese Journal of Pharmacology·T KatoM Sakanashi

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