Frequency of mediastinal lymphadenopathy in patients with idiopathic pulmonary arterial hypertension

Teng Moua, David L. Levin, Eva M Carmona Porquera, Jay H Ryu

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Objective: The objective of this study was to assess the frequency of mediastinal lymphadenopathy in patients with idiopathic pulmonary arterial hypertension (IPAH) and describe the correlative clinical features. Methods: We conducted a retrospective review of patients with IPAH who underwent right-sided heart catheterization (RHC) and chest CT scan within 3 months of each other. Patients were from a single tertiary institution. CT scans were reviewed for the presence of mediastinal lymphadenopathy (MLAD) with correlating demographic and clinical data, including lymph node size and location, right atrial pressure (RAP), mean pulmonary arterial pressure (mPAP), and the presence of pleural and pericardial effusion. Results: The study population included 85 patients with a mean age of 48 - 17.3 years; 70 (82%) were women. Fifteen patients (18%) had MLAD on chest CT scan. The mean short-axis diameter of the largest lymph node in these patients was 13.6 mm (range, 11-20 mm). The enlarged lymph nodes were located predominantly in the lower paratracheal and subcarinal stations. There was no association of MLAD with age, sex, RAP, or mPAP. MLAD was associated with presence of pleural effusion ( P , .02) but not pericardial effusion. Mean left ventricular ejection fraction for those with lymphadenopathy was 63% (range, 45%-76%). Conclusions: MLAD without other identifi able causes is seen in approximately one in fi ve patients with IPAH and is associated with pleural effusion but not mPAP, RAP, or left ventricular function.

Original languageEnglish (US)
Pages (from-to)344-348
Number of pages5
JournalChest
Volume143
Issue number2
DOIs
StatePublished - Feb 2013

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Atrial Pressure
Pleural Effusion
Arterial Pressure
Pericardial Effusion
Lymph Nodes
Lung
Thorax
Cardiac Catheterization
Lymphadenopathy
Familial Primary Pulmonary Hypertension
Left Ventricular Function
Stroke Volume
Demography
Population

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine
  • Critical Care and Intensive Care Medicine
  • Cardiology and Cardiovascular Medicine

Cite this

Frequency of mediastinal lymphadenopathy in patients with idiopathic pulmonary arterial hypertension. / Moua, Teng; Levin, David L.; Carmona Porquera, Eva M; Ryu, Jay H.

In: Chest, Vol. 143, No. 2, 02.2013, p. 344-348.

Research output: Contribution to journalArticle

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abstract = "Objective: The objective of this study was to assess the frequency of mediastinal lymphadenopathy in patients with idiopathic pulmonary arterial hypertension (IPAH) and describe the correlative clinical features. Methods: We conducted a retrospective review of patients with IPAH who underwent right-sided heart catheterization (RHC) and chest CT scan within 3 months of each other. Patients were from a single tertiary institution. CT scans were reviewed for the presence of mediastinal lymphadenopathy (MLAD) with correlating demographic and clinical data, including lymph node size and location, right atrial pressure (RAP), mean pulmonary arterial pressure (mPAP), and the presence of pleural and pericardial effusion. Results: The study population included 85 patients with a mean age of 48 - 17.3 years; 70 (82{\%}) were women. Fifteen patients (18{\%}) had MLAD on chest CT scan. The mean short-axis diameter of the largest lymph node in these patients was 13.6 mm (range, 11-20 mm). The enlarged lymph nodes were located predominantly in the lower paratracheal and subcarinal stations. There was no association of MLAD with age, sex, RAP, or mPAP. MLAD was associated with presence of pleural effusion ( P , .02) but not pericardial effusion. Mean left ventricular ejection fraction for those with lymphadenopathy was 63{\%} (range, 45{\%}-76{\%}). Conclusions: MLAD without other identifi able causes is seen in approximately one in fi ve patients with IPAH and is associated with pleural effusion but not mPAP, RAP, or left ventricular function.",
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N2 - Objective: The objective of this study was to assess the frequency of mediastinal lymphadenopathy in patients with idiopathic pulmonary arterial hypertension (IPAH) and describe the correlative clinical features. Methods: We conducted a retrospective review of patients with IPAH who underwent right-sided heart catheterization (RHC) and chest CT scan within 3 months of each other. Patients were from a single tertiary institution. CT scans were reviewed for the presence of mediastinal lymphadenopathy (MLAD) with correlating demographic and clinical data, including lymph node size and location, right atrial pressure (RAP), mean pulmonary arterial pressure (mPAP), and the presence of pleural and pericardial effusion. Results: The study population included 85 patients with a mean age of 48 - 17.3 years; 70 (82%) were women. Fifteen patients (18%) had MLAD on chest CT scan. The mean short-axis diameter of the largest lymph node in these patients was 13.6 mm (range, 11-20 mm). The enlarged lymph nodes were located predominantly in the lower paratracheal and subcarinal stations. There was no association of MLAD with age, sex, RAP, or mPAP. MLAD was associated with presence of pleural effusion ( P , .02) but not pericardial effusion. Mean left ventricular ejection fraction for those with lymphadenopathy was 63% (range, 45%-76%). Conclusions: MLAD without other identifi able causes is seen in approximately one in fi ve patients with IPAH and is associated with pleural effusion but not mPAP, RAP, or left ventricular function.

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