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Low systemic vascular resistance: differential diagnosis and outcome
OBJECTIVE: To determine the frequency and prognosis of the various causes of low systemic vascular resistance (SVR). DESIGN: Analysis of consecutive patients over a 5-year period; retrospective review. SETTING: Medical intensive care unit of a large university hospital. PATIENTS: Fifty-five patients...
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Formato: | Texto |
Lenguaje: | English |
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BioMed Central
1999
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC29017/ https://www.ncbi.nlm.nih.gov/pubmed/11056727 |
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author | Melo, Jairo Peters, Jay I |
author_facet | Melo, Jairo Peters, Jay I |
author_sort | Melo, Jairo |
collection | PubMed |
description | OBJECTIVE: To determine the frequency and prognosis of the various causes of low systemic vascular resistance (SVR). DESIGN: Analysis of consecutive patients over a 5-year period; retrospective review. SETTING: Medical intensive care unit of a large university hospital. PATIENTS: Fifty-five patients with unexplained hypotension and a SVR less than 800 dynes × s/cm(5). BACKGROUND: There are minimal data in the medical literature determining the frequency or outcome of patients with a low SVR that is unrelated to sepsis or the sepsis syndrome. We retrospectively reviewed and analyzed all hemodynamic data in a large university hospital over a 5-year period to determine the frequency and prognosis of the various causes of low SVR. Fifty-five patients with unexplained hypotension and a SVR less than 800dynes×s/cm(5)were identified. MAIN RESULTS: Twenty-two patients (Groups 1 and 2) met the criteria for sepsis syndrome. The mean SVR for this group was 445 ± 168 dynes×s/cm(5) with an associated mortality of 50%. Group 3 contained 20 patients with possible sepsis. Thirteen patients (Group 4) were nonseptic. The mean SVR of this group was 435 ± 180 dynes × s/cm(5) with an associated mortality of 46%. Extremely low SVR (below 450 dynes × s/cm(5)) was associated with a significantly higher mortality regardless of the etiology. CONCLUSIONS: At least a quarter of patients with hypotension and a low SVR have nonseptic etiologies. The patients with nonseptic etiologies have a similar mortality to septic patients. Clinicians should be aware of the wide spectrum of conditions that induce a low SVR. |
format | Text |
id | pubmed-29017 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 1999 |
publisher | BioMed Central |
record_format | MEDLINE/PubMed |
spelling | pubmed-290172001-03-22 Low systemic vascular resistance: differential diagnosis and outcome Melo, Jairo Peters, Jay I Crit Care Research Paper OBJECTIVE: To determine the frequency and prognosis of the various causes of low systemic vascular resistance (SVR). DESIGN: Analysis of consecutive patients over a 5-year period; retrospective review. SETTING: Medical intensive care unit of a large university hospital. PATIENTS: Fifty-five patients with unexplained hypotension and a SVR less than 800 dynes × s/cm(5). BACKGROUND: There are minimal data in the medical literature determining the frequency or outcome of patients with a low SVR that is unrelated to sepsis or the sepsis syndrome. We retrospectively reviewed and analyzed all hemodynamic data in a large university hospital over a 5-year period to determine the frequency and prognosis of the various causes of low SVR. Fifty-five patients with unexplained hypotension and a SVR less than 800dynes×s/cm(5)were identified. MAIN RESULTS: Twenty-two patients (Groups 1 and 2) met the criteria for sepsis syndrome. The mean SVR for this group was 445 ± 168 dynes×s/cm(5) with an associated mortality of 50%. Group 3 contained 20 patients with possible sepsis. Thirteen patients (Group 4) were nonseptic. The mean SVR of this group was 435 ± 180 dynes × s/cm(5) with an associated mortality of 46%. Extremely low SVR (below 450 dynes × s/cm(5)) was associated with a significantly higher mortality regardless of the etiology. CONCLUSIONS: At least a quarter of patients with hypotension and a low SVR have nonseptic etiologies. The patients with nonseptic etiologies have a similar mortality to septic patients. Clinicians should be aware of the wide spectrum of conditions that induce a low SVR. BioMed Central 1999 1999-06-09 /pmc/articles/PMC29017/ /pubmed/11056727 Text en Copyright © 1999 Current Science Ltd |
spellingShingle | Research Paper Melo, Jairo Peters, Jay I Low systemic vascular resistance: differential diagnosis and outcome |
title | Low systemic vascular resistance: differential diagnosis and
outcome |
title_full | Low systemic vascular resistance: differential diagnosis and
outcome |
title_fullStr | Low systemic vascular resistance: differential diagnosis and
outcome |
title_full_unstemmed | Low systemic vascular resistance: differential diagnosis and
outcome |
title_short | Low systemic vascular resistance: differential diagnosis and
outcome |
title_sort | low systemic vascular resistance: differential diagnosis and
outcome |
topic | Research Paper |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC29017/ https://www.ncbi.nlm.nih.gov/pubmed/11056727 |
work_keys_str_mv | AT melojairo lowsystemicvascularresistancedifferentialdiagnosisandoutcome AT petersjayi lowsystemicvascularresistancedifferentialdiagnosisandoutcome |