The association between BNP, 6MWD test, DLCO% and pulmonary hypertension in sarcoidosis

Mehdi Mirsaeidi, Hesham R. Omar, Robert Baughman, Roberto Machado, Nadera Sweiss

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Introduction: Pulmonary hypertension (PH) is a feared complication in patients with sarcoidosis.It is an important negative prognostic factor which is reflected as a priority given to these subjects for orthotopic lung transplantation. We evaluated the relationship between BNP, 6MWD test, DLCO% values and the severity of sarcoidosis-Associated pulmonary hypertension. Methods: A retrospective chart review was conducted between January 2010 and January 2015 on consecutive confirmed adult subjects diagnosed with sarcoidosis. Demographics, medical comorbidities, clinical features, pulmonary function tests (PFTs), 6MWD test, transthoracic echocardiography, laboratory investigations, radiographic findings, treatment and outcome data were collected from medical records. Subjects with suspicion for PH (i.e.Those with PASP ≥ 25 mmHg) were included in the study. PH severity was classified using PASP into mild (PASP 25-49 mmHg), moderate (50-69 mmHg) and severe (≥70 mmHg). We evaluated the strength of correlation between BNP, 6MWD test, DLCO% and the severity of PH. The association between variables was performed using Pearson correlation coefficient and results were considered statistically significant if P value was <0.05. Results: Among the 108 cases diagnosed with sarcoidosis, we identified a total of 27 patients (25%) who had an elevated PASP suggestive of PH and met the study inclusion criteria. There was a significant correlation between BNP level (r=0.804, P=0.003), 6MWD test (r=-0.865, P=0.000), DLCO% (r=-0.513, P=0.015) and the PASP in sarcoidosis patients. Conclusion: Although these simple tests should not be used as screening tools for suspecting sarcoidosis-Associated pulmonary hypertension, they may be of value in following its progression in subjects already diagnosed with pulmonary hypertension.

Original languageEnglish (US)
Pages (from-to)317-320
Number of pages4
JournalSarcoidosis Vasculitis and Diffuse Lung Diseases
Volume33
Issue number4
StatePublished - 2016

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Sarcoidosis
Pulmonary Hypertension
Lung Transplantation
Respiratory Function Tests
Medical Records
Echocardiography
Comorbidity
Demography
4-S-(propionic acid)sulfidocyclophosphamide

Keywords

  • 6-minute walk distance test
  • BNP
  • Pulmonary Function Test
  • Pulmonary Hypertension
  • Sarcoidosis

ASJC Scopus subject areas

  • Internal Medicine
  • Immunology and Allergy
  • Pulmonary and Respiratory Medicine

Cite this

The association between BNP, 6MWD test, DLCO% and pulmonary hypertension in sarcoidosis. / Mirsaeidi, Mehdi; Omar, Hesham R.; Baughman, Robert; Machado, Roberto; Sweiss, Nadera.

In: Sarcoidosis Vasculitis and Diffuse Lung Diseases, Vol. 33, No. 4, 2016, p. 317-320.

Research output: Contribution to journalArticle

Mirsaeidi, Mehdi ; Omar, Hesham R. ; Baughman, Robert ; Machado, Roberto ; Sweiss, Nadera. / The association between BNP, 6MWD test, DLCO% and pulmonary hypertension in sarcoidosis. In: Sarcoidosis Vasculitis and Diffuse Lung Diseases. 2016 ; Vol. 33, No. 4. pp. 317-320.
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AU - Machado, Roberto

AU - Sweiss, Nadera

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N2 - Introduction: Pulmonary hypertension (PH) is a feared complication in patients with sarcoidosis.It is an important negative prognostic factor which is reflected as a priority given to these subjects for orthotopic lung transplantation. We evaluated the relationship between BNP, 6MWD test, DLCO% values and the severity of sarcoidosis-Associated pulmonary hypertension. Methods: A retrospective chart review was conducted between January 2010 and January 2015 on consecutive confirmed adult subjects diagnosed with sarcoidosis. Demographics, medical comorbidities, clinical features, pulmonary function tests (PFTs), 6MWD test, transthoracic echocardiography, laboratory investigations, radiographic findings, treatment and outcome data were collected from medical records. Subjects with suspicion for PH (i.e.Those with PASP ≥ 25 mmHg) were included in the study. PH severity was classified using PASP into mild (PASP 25-49 mmHg), moderate (50-69 mmHg) and severe (≥70 mmHg). We evaluated the strength of correlation between BNP, 6MWD test, DLCO% and the severity of PH. The association between variables was performed using Pearson correlation coefficient and results were considered statistically significant if P value was <0.05. Results: Among the 108 cases diagnosed with sarcoidosis, we identified a total of 27 patients (25%) who had an elevated PASP suggestive of PH and met the study inclusion criteria. There was a significant correlation between BNP level (r=0.804, P=0.003), 6MWD test (r=-0.865, P=0.000), DLCO% (r=-0.513, P=0.015) and the PASP in sarcoidosis patients. Conclusion: Although these simple tests should not be used as screening tools for suspecting sarcoidosis-Associated pulmonary hypertension, they may be of value in following its progression in subjects already diagnosed with pulmonary hypertension.

AB - Introduction: Pulmonary hypertension (PH) is a feared complication in patients with sarcoidosis.It is an important negative prognostic factor which is reflected as a priority given to these subjects for orthotopic lung transplantation. We evaluated the relationship between BNP, 6MWD test, DLCO% values and the severity of sarcoidosis-Associated pulmonary hypertension. Methods: A retrospective chart review was conducted between January 2010 and January 2015 on consecutive confirmed adult subjects diagnosed with sarcoidosis. Demographics, medical comorbidities, clinical features, pulmonary function tests (PFTs), 6MWD test, transthoracic echocardiography, laboratory investigations, radiographic findings, treatment and outcome data were collected from medical records. Subjects with suspicion for PH (i.e.Those with PASP ≥ 25 mmHg) were included in the study. PH severity was classified using PASP into mild (PASP 25-49 mmHg), moderate (50-69 mmHg) and severe (≥70 mmHg). We evaluated the strength of correlation between BNP, 6MWD test, DLCO% and the severity of PH. The association between variables was performed using Pearson correlation coefficient and results were considered statistically significant if P value was <0.05. Results: Among the 108 cases diagnosed with sarcoidosis, we identified a total of 27 patients (25%) who had an elevated PASP suggestive of PH and met the study inclusion criteria. There was a significant correlation between BNP level (r=0.804, P=0.003), 6MWD test (r=-0.865, P=0.000), DLCO% (r=-0.513, P=0.015) and the PASP in sarcoidosis patients. Conclusion: Although these simple tests should not be used as screening tools for suspecting sarcoidosis-Associated pulmonary hypertension, they may be of value in following its progression in subjects already diagnosed with pulmonary hypertension.

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