Reactive hyperemia in patients with septic conditions
In a prospective study microvascular reactivity was examined in 12 patients with septic conditions by means of the provocation of reactive hyperemia (RH) for evaluation of microcirculatory function. Data were compared with data from 10 nonseptic, postsurgical patients. At the time of the initial mea...
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Published in | Surgery Vol. 103; no. 4; p. 440 |
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Main Authors | , , , |
Format | Journal Article |
Language | English |
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United States
01.04.1988
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Abstract | In a prospective study microvascular reactivity was examined in 12 patients with septic conditions by means of the provocation of reactive hyperemia (RH) for evaluation of microcirculatory function. Data were compared with data from 10 nonseptic, postsurgical patients. At the time of the initial measurement, an adequate hyperemic response could be produced in all patients. In the further course of the disease, in nine of the 12 patients severe multiple organ failure developed. In spite of sufficient values for arterial blood pressure, oxygenation, and the clotting system, RH was absent in these patients (8 +/- 2 days after the initial measurement). Subsequently, seven of these nine patients died (4 +/- 2 days after the onset of microvascular nonreactivity). Until death, RH was absent in each patient, and at this time therapy-resistant hypoxemia, hypotension, and severe disturbances of the clotting system were present. In the two surviving patients RH was restored completely. These results indicate that (1) the septic state per se is not necessarily combined with impaired microvascular reactivity (rather, the absence of RH may be a sign of generally poor clinical conditions); (2) the absence of RH is not related to therapy-resistant hypotension, hypoxia, and severe clotting disorders but precedes these changes; and (3) provocation of RH may be of clinical use for early detection of microcirculatory malfunction in high-risk patients. |
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AbstractList | In a prospective study microvascular reactivity was examined in 12 patients with septic conditions by means of the provocation of reactive hyperemia (RH) for evaluation of microcirculatory function. Data were compared with data from 10 nonseptic, postsurgical patients. At the time of the initial measurement, an adequate hyperemic response could be produced in all patients. In the further course of the disease, in nine of the 12 patients severe multiple organ failure developed. In spite of sufficient values for arterial blood pressure, oxygenation, and the clotting system, RH was absent in these patients (8 +/- 2 days after the initial measurement). Subsequently, seven of these nine patients died (4 +/- 2 days after the onset of microvascular nonreactivity). Until death, RH was absent in each patient, and at this time therapy-resistant hypoxemia, hypotension, and severe disturbances of the clotting system were present. In the two surviving patients RH was restored completely. These results indicate that (1) the septic state per se is not necessarily combined with impaired microvascular reactivity (rather, the absence of RH may be a sign of generally poor clinical conditions); (2) the absence of RH is not related to therapy-resistant hypotension, hypoxia, and severe clotting disorders but precedes these changes; and (3) provocation of RH may be of clinical use for early detection of microcirculatory malfunction in high-risk patients. |
Author | Heberer, G Inthorn, D Hartl, W H Günther, B |
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SubjectTerms | Age Factors Aged Forearm - blood supply Hemodynamics Humans Hyperemia - physiopathology Infection - physiopathology Male Microcirculation Middle Aged Multiple Organ Failure - etiology Prognosis Vascular Resistance |
Title | Reactive hyperemia in patients with septic conditions |
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