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10.1161/CIRCIMAGING.116.005444

http://scihub22266oqcxt.onion/10.1161/CIRCIMAGING.116.005444
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C5408460!5408460 !28351907
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suck abstract from ncbi


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pmid28351907
      Circ+Cardiovasc+Imaging 2017 ; 10 (4 ): ä
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  • Frequency, Predictors, and Implications of Abnormal Blood Pressure Responses During Dobutamine Stress Echocardiography #MMPMID28351907
  • Abram S ; Arruda-Olson AM ; Scott CG ; Pellikka PA ; Nkomo VT ; Oh JK ; Milan A ; Abidian MM ; McCully RB
  • Circ Cardiovasc Imaging 2017[Apr]; 10 (4 ): ä PMID28351907 show ga
  • BACKGROUND: It is not known whether abnormal blood pressure (BP) responses during dobutamine stress echocardiography (DSE) are associated with abnormal test results, nor if such results indicate obstructive coronary artery disease (CAD). We sought to define the frequency of abnormal BP responses during DSE and their impact on accuracy of test results. METHODS AND RESULTS: We studied 21 949 patients who underwent DSE at Mayo Clinic, Rochester, MN, grouped by peak systolic BP achieved during the test. We also analyzed a subgroup who underwent coronary angiography within 30 days after positive DSE. The positive predictive value of DSE was calculated for each BP group. Patients with hypertensive response (n=1905; 9%) were more likely to have positive DSE than those with normal (n=19 770; 90%) or hypotensive (n=274; 1%) BP responses (32% versus 21% versus 23%, respectively; P<0.0001). Angiography, performed in 1126 patients, showed obstructive CAD (?50% stenosis) in 814 patients and severe CAD (?70% stenosis) in 708 patients. Positive predictive value of DSE was similar for patients who had hypertensive and normal BP responses (69% versus 73%; P=0.3), considering 50% stenosis cut point. The proportion of severe CAD (?70% stenosis) was lower in patients who had hypertensive response compared with those who had normal BP response (54% versus 65%; P=0.005). CONCLUSIONS: Patients with hypertensive response during DSE are more likely to have stress-induced myocardial ischemia compared with those with normal or hypotensive BP responses but are not more likely to have false-positive DSE results. They are, however, less likely to have higher grade or multivessel CAD.
  • |Adrenergic beta-1 Receptor Agonists/administration & dosage/*adverse effects [MESH]
  • |Aged [MESH]
  • |Blood Pressure/*drug effects [MESH]
  • |Coronary Angiography [MESH]
  • |Coronary Artery Disease/*diagnostic imaging/physiopathology [MESH]
  • |Coronary Stenosis/*diagnostic imaging/physiopathology [MESH]
  • |Dobutamine/administration & dosage/*adverse effects [MESH]
  • |Echocardiography, Stress/*adverse effects [MESH]
  • |False Positive Reactions [MESH]
  • |Female [MESH]
  • |Humans [MESH]
  • |Hypertension/*chemically induced/diagnosis/physiopathology [MESH]
  • |Hypotension/*chemically induced/diagnosis/physiopathology [MESH]
  • |Infusions, Intravenous [MESH]
  • |Male [MESH]
  • |Middle Aged [MESH]
  • |Minnesota [MESH]
  • |Myocardial Contraction [MESH]
  • |Predictive Value of Tests [MESH]
  • |Retrospective Studies [MESH]
  • |Risk Factors [MESH]
  • |Severity of Illness Index [MESH]
  • |Stroke Volume [MESH]


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