TABLE 1

Comparison of Hemodynamic Variables at Rest and During Pharmacologic Vasodilation in Baseline Evaluation and Caffeine Studies

Subject no.SBP (mm Hg)DBP (mm Hg)HR (beats/min)RPP (mm Hg × [beats/min])
BaselineCaffeineBaselineCaffeineBaselineCaffeineBaselineCaffeine
RestATPDIPRestATPDIPRestATPDIPRestATPDIPRestATPDIPRestATPDIPRestATPDIPRestATPDIP
110411010810411010678757765686470931057093917,28010,23011,3407,28010,2309,646
2818886881081024638354739414768864457723,8075,9847,3963,8726,1567,344
31031019799941075963646359636797986997836,9019,7979,5066,8319,1188,881
4969111010310311469476665556672971096583896,9128,82711,9906,6958,54910,146
510911111010912511657716858706877991065778848,39310,98911,6606,2139,7509,744
61111071141121021125761665464706398996381846,99310,48611,2867,0568,2629,408
798971001221261066455598478705477916457725,2927,4699,1007,8087,1827,632
810997102115941166852706459736483906683786,9768,0519,1807,5907,8029,048
91021019910110110566557467607065931226193866,6309,39312,0786,1619,3939,030
109389901001021013539363439425972856361705,4876,4087,6506,3006,2227,070
Mean101991021051071096056626059636488996278816,4678,76310,1196,5818,2668,795
± SD± 9± 8± 9± 10± 11± 6± 12± 12± 15± 13± 12± 12± 9± 12*± 12± 7± 15§± 7§± 1,280± 1,732*± 1,776± 1,108± 1,420§± 1,074§
  • * P < 0.001 vs. rest in baseline.

  • P < 0.0001 vs. rest in baseline.

  • P < 0.05 vs. ATP in baseline.

  • § P < 0.05 vs. rest in caffeine.

  • P < 0.05 vs. DIP in baseline.

  • SBP = systolic blood pressure; DBP = diastolic blood pressure; HR = heart rate; RPP = rate–pressure product; DIP = dipyridamole.