Pulmonary Hemodynamic Response to Exercise in Chronic Thromboembolic Pulmonary Hypertension before and after Pulmonary Endarterectomy

Background: Pulmonary endarterectomy (PEA) is the treatment of choice in surgically accessible chronic thromboembolic pulmonary hypertension (CTEPH). An important predictor of outcome is postsurgical residual pulmonary hypertension. Objective: We aimed to use the hemodynamic response during exercise...

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Veröffentlicht in:Respiration 2015-01, Vol.90 (1), p.63-73
Hauptverfasser: Richter, Manuel Jonas, Sommer, Natascha, Gall, Henning, Voswinckel, Robert, Seeger, Werner, Mayer, Eckhard, Wiedenroth, Christoph B., Rieth, Andreas, Grimminger, Friedrich, Guth, Stefan, Ghofrani, Hossein A.
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container_end_page 73
container_issue 1
container_start_page 63
container_title Respiration
container_volume 90
creator Richter, Manuel Jonas
Sommer, Natascha
Gall, Henning
Voswinckel, Robert
Seeger, Werner
Mayer, Eckhard
Wiedenroth, Christoph B.
Rieth, Andreas
Grimminger, Friedrich
Guth, Stefan
Ghofrani, Hossein A.
description Background: Pulmonary endarterectomy (PEA) is the treatment of choice in surgically accessible chronic thromboembolic pulmonary hypertension (CTEPH). An important predictor of outcome is postsurgical residual pulmonary hypertension. Objective: We aimed to use the hemodynamic response during exercise before PEA as a measurement for the hemodynamic outcome 1 year after PEA. Methods: Between January 2011 and December 2013, 299 patients underwent PEA in our center. A total of 16 patients who were assessed by means of invasive hemodynamic measurements during exercise both at baseline and 1 year after PEA were retrospectively analyzed. Results: Pre-PEA mean pulmonary arterial pressure (mPAP) increased during exercise from 35.8 ± 7.6 to 53.8 ± 5.1 mm Hg, diastolic pulmonary arterial pressure (dPAP) from 21.5 ± 5.6 to 30.3 ± 9.6 mm Hg, cardiac output (CO) from 4.4 ± 0.8 to 6.5 ± 1.9 l/min and diastolic pulmonary gradient (DPG) from 14.6 ± 4.9 to 20.7 ± 12.7 mm Hg. Post-PEA mPAP increased from 23.7 ± 6.6 at rest to 43.2 ± 7.1 mm Hg, while CO increased to a higher extent from 5.1 ± 0.9 to 8.4 ± 1.9 l/min. There were significant correlations between pre-PEA DPG/CO and dPAP/CO slopes with the pulmonary vascular resistance (Spearman r = 0.578, p = 0.019, and r = 0.547, p = 0.028) and mPAP at rest after PEA (Spearman r = 0.581, p = 0.018, and r = 0.546, p = 0.028). Conclusions: In CTEPH, the presurgical dynamic DPG/CO and dPAP/CO slopes during submaximal exercise are associated with the hemodynamic outcome 1 year after PEA.
doi_str_mv 10.1159/000398815
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An important predictor of outcome is postsurgical residual pulmonary hypertension. Objective: We aimed to use the hemodynamic response during exercise before PEA as a measurement for the hemodynamic outcome 1 year after PEA. Methods: Between January 2011 and December 2013, 299 patients underwent PEA in our center. A total of 16 patients who were assessed by means of invasive hemodynamic measurements during exercise both at baseline and 1 year after PEA were retrospectively analyzed. Results: Pre-PEA mean pulmonary arterial pressure (mPAP) increased during exercise from 35.8 ± 7.6 to 53.8 ± 5.1 mm Hg, diastolic pulmonary arterial pressure (dPAP) from 21.5 ± 5.6 to 30.3 ± 9.6 mm Hg, cardiac output (CO) from 4.4 ± 0.8 to 6.5 ± 1.9 l/min and diastolic pulmonary gradient (DPG) from 14.6 ± 4.9 to 20.7 ± 12.7 mm Hg. Post-PEA mPAP increased from 23.7 ± 6.6 at rest to 43.2 ± 7.1 mm Hg, while CO increased to a higher extent from 5.1 ± 0.9 to 8.4 ± 1.9 l/min. There were significant correlations between pre-PEA DPG/CO and dPAP/CO slopes with the pulmonary vascular resistance (Spearman r = 0.578, p = 0.019, and r = 0.547, p = 0.028) and mPAP at rest after PEA (Spearman r = 0.581, p = 0.018, and r = 0.546, p = 0.028). Conclusions: In CTEPH, the presurgical dynamic DPG/CO and dPAP/CO slopes during submaximal exercise are associated with the hemodynamic outcome 1 year after PEA.</description><identifier>ISSN: 0025-7931</identifier><identifier>EISSN: 1423-0356</identifier><identifier>DOI: 10.1159/000398815</identifier><identifier>PMID: 26044754</identifier><language>eng</language><publisher>Basel, Switzerland: S. Karger AG</publisher><subject>Aged ; Arterial Pressure ; Basic Science Investigations ; Blood clots ; Cardiac Catheterization ; Care and treatment ; Chronic Disease ; Cohort Studies ; Complications and side effects ; Development and progression ; Endarterectomy ; Exercise ; Exercise - physiology ; Exercise Test ; Exercise therapy ; Female ; Hemodynamics - physiology ; Humans ; Hypertension ; Hypertension, Pulmonary - etiology ; Hypertension, Pulmonary - physiopathology ; Hypertension, Pulmonary - surgery ; Male ; Medical prognosis ; Middle Aged ; Patient outcomes ; Pulmonary Artery - physiopathology ; Pulmonary Artery - surgery ; Pulmonary Circulation - physiology ; Pulmonary Embolism - complications ; Pulmonary Embolism - physiopathology ; Pulmonary Embolism - surgery ; Pulmonary hypertension ; Retrospective Studies ; Risk factors ; Thoracic surgery ; Treatment Outcome ; Vascular Resistance</subject><ispartof>Respiration, 2015-01, Vol.90 (1), p.63-73</ispartof><rights>2015 S. Karger AG, Basel</rights><rights>COPYRIGHT 2015 S. Karger AG</rights><rights>Copyright (c) 2015 S. Karger AG, Basel</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c569t-28a991692bb0863b8b2eaa18f8faaac8e66f4e98951f852180b899802e3f627e3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782,2425,27907,27908</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/26044754$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Richter, Manuel Jonas</creatorcontrib><creatorcontrib>Sommer, Natascha</creatorcontrib><creatorcontrib>Gall, Henning</creatorcontrib><creatorcontrib>Voswinckel, Robert</creatorcontrib><creatorcontrib>Seeger, Werner</creatorcontrib><creatorcontrib>Mayer, Eckhard</creatorcontrib><creatorcontrib>Wiedenroth, Christoph B.</creatorcontrib><creatorcontrib>Rieth, Andreas</creatorcontrib><creatorcontrib>Grimminger, Friedrich</creatorcontrib><creatorcontrib>Guth, Stefan</creatorcontrib><creatorcontrib>Ghofrani, Hossein A.</creatorcontrib><title>Pulmonary Hemodynamic Response to Exercise in Chronic Thromboembolic Pulmonary Hypertension before and after Pulmonary Endarterectomy</title><title>Respiration</title><addtitle>Respiration</addtitle><description>Background: Pulmonary endarterectomy (PEA) is the treatment of choice in surgically accessible chronic thromboembolic pulmonary hypertension (CTEPH). An important predictor of outcome is postsurgical residual pulmonary hypertension. Objective: We aimed to use the hemodynamic response during exercise before PEA as a measurement for the hemodynamic outcome 1 year after PEA. Methods: Between January 2011 and December 2013, 299 patients underwent PEA in our center. A total of 16 patients who were assessed by means of invasive hemodynamic measurements during exercise both at baseline and 1 year after PEA were retrospectively analyzed. Results: Pre-PEA mean pulmonary arterial pressure (mPAP) increased during exercise from 35.8 ± 7.6 to 53.8 ± 5.1 mm Hg, diastolic pulmonary arterial pressure (dPAP) from 21.5 ± 5.6 to 30.3 ± 9.6 mm Hg, cardiac output (CO) from 4.4 ± 0.8 to 6.5 ± 1.9 l/min and diastolic pulmonary gradient (DPG) from 14.6 ± 4.9 to 20.7 ± 12.7 mm Hg. Post-PEA mPAP increased from 23.7 ± 6.6 at rest to 43.2 ± 7.1 mm Hg, while CO increased to a higher extent from 5.1 ± 0.9 to 8.4 ± 1.9 l/min. There were significant correlations between pre-PEA DPG/CO and dPAP/CO slopes with the pulmonary vascular resistance (Spearman r = 0.578, p = 0.019, and r = 0.547, p = 0.028) and mPAP at rest after PEA (Spearman r = 0.581, p = 0.018, and r = 0.546, p = 0.028). 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An important predictor of outcome is postsurgical residual pulmonary hypertension. Objective: We aimed to use the hemodynamic response during exercise before PEA as a measurement for the hemodynamic outcome 1 year after PEA. Methods: Between January 2011 and December 2013, 299 patients underwent PEA in our center. A total of 16 patients who were assessed by means of invasive hemodynamic measurements during exercise both at baseline and 1 year after PEA were retrospectively analyzed. Results: Pre-PEA mean pulmonary arterial pressure (mPAP) increased during exercise from 35.8 ± 7.6 to 53.8 ± 5.1 mm Hg, diastolic pulmonary arterial pressure (dPAP) from 21.5 ± 5.6 to 30.3 ± 9.6 mm Hg, cardiac output (CO) from 4.4 ± 0.8 to 6.5 ± 1.9 l/min and diastolic pulmonary gradient (DPG) from 14.6 ± 4.9 to 20.7 ± 12.7 mm Hg. Post-PEA mPAP increased from 23.7 ± 6.6 at rest to 43.2 ± 7.1 mm Hg, while CO increased to a higher extent from 5.1 ± 0.9 to 8.4 ± 1.9 l/min. There were significant correlations between pre-PEA DPG/CO and dPAP/CO slopes with the pulmonary vascular resistance (Spearman r = 0.578, p = 0.019, and r = 0.547, p = 0.028) and mPAP at rest after PEA (Spearman r = 0.581, p = 0.018, and r = 0.546, p = 0.028). Conclusions: In CTEPH, the presurgical dynamic DPG/CO and dPAP/CO slopes during submaximal exercise are associated with the hemodynamic outcome 1 year after PEA.</abstract><cop>Basel, Switzerland</cop><pub>S. Karger AG</pub><pmid>26044754</pmid><doi>10.1159/000398815</doi><tpages>11</tpages><oa>free_for_read</oa></addata></record>
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source MEDLINE; Karger Journals
subjects Aged
Arterial Pressure
Basic Science Investigations
Blood clots
Cardiac Catheterization
Care and treatment
Chronic Disease
Cohort Studies
Complications and side effects
Development and progression
Endarterectomy
Exercise
Exercise - physiology
Exercise Test
Exercise therapy
Female
Hemodynamics - physiology
Humans
Hypertension
Hypertension, Pulmonary - etiology
Hypertension, Pulmonary - physiopathology
Hypertension, Pulmonary - surgery
Male
Medical prognosis
Middle Aged
Patient outcomes
Pulmonary Artery - physiopathology
Pulmonary Artery - surgery
Pulmonary Circulation - physiology
Pulmonary Embolism - complications
Pulmonary Embolism - physiopathology
Pulmonary Embolism - surgery
Pulmonary hypertension
Retrospective Studies
Risk factors
Thoracic surgery
Treatment Outcome
Vascular Resistance
title Pulmonary Hemodynamic Response to Exercise in Chronic Thromboembolic Pulmonary Hypertension before and after Pulmonary Endarterectomy
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