Obstructive Lung Diseases |

Assessment of the Right Side of the Heart and Detection of PH in COPD Patients FREE TO VIEW

Medhat Soliman, MD; Youssef Ameen, MD; Usama Aboelhassan, MMSc
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Kasr Alaini, Cairo, Egypt

Chest. 2014;145(3_MeetingAbstracts):355A. doi:10.1378/chest.1835253
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SESSION TITLE: COPD Epidemiology & Physiology Posters

SESSION TYPE: Poster Presentations

PRESENTED ON: Saturday, March 22, 2014 at 01:15 PM - 02:15 PM

PURPOSE: assessing the function of the right side of the heart .along with diagnosing of pulmonary hypertension and studying the hemodynamic abnormalities, thus Studying functional limitations of pulmonary hypertension on COPD patients.

METHODS: data from 51 COPD male patients between December 2012 and April 2013 was reviewed. PFTs (post bronchodilators FEV1 ≤0.7), echo and BODE index were obtained. RHC was done only for 17 patients after their echo revealed PASP≥ 45 mmHg.

RESULTS: we found 11 patients (21.5%) had MPAP≥25 mmHg by RHC (35.27 ±7.837) and 2 patients(~4%) had severe PH (MPAP≥40mmHg).the mean age 62(±9.16) with smoking index 34(±6.5).63% of the patients had PASP ≥35 mmHg by echocardiography while 24 patients(47%) had PASP ≥45 mmHg . COPD patients with PH were more hypoxemic(53.73±6.214 vs. 62.51±10.999 ,p-value0.00013),showed increased BODE index(8.45 ±1.572 vs. 6.31±2.604,p-value0.0015), showed statistically significant difference in both BRV and LRV (3.725±0.8625 vs. 4.500±0.9849 p-value 0.0304 and 6.067±0.9923 vs. 6.927±0.7888 0.006 respectively),showed significant difference in the measurement of TAPSE (2.055 ±0.5298, 3.142±0.3437 with p-value< 0.0001) as compared to COPD patients without PH .linear correlation between PaO2 and BODE index with MPAP was noticed. 41 patients (80%) had LT E/A ration less than 0.8 with statistically significant difference between COPD patients with PH and those without (0.518±0.1991, 0.702±0.4052 and p-value 0.0333).we found that echo (1)sensitivity was about 65 % ,specificity of 50 % with positive predictive value around 64 % and negative predictive value around 50 %,(2) 74 % of the patients had differnce more than10 mmHg between PASP calculated by echo and measured by RHC.

CONCLUSIONS: PH in COPD patients is a common co-morbidity along with right sided changes. Echo could be used with caution during assessment of PASP as it was inaccurate. COPDPH patients had worse prognosis than COPD patients without PH.

CLINICAL IMPLICATIONS: Screening for PH in any COPD is highly recommended as it affects the prognosis. Echo could be used with caution during assessment of PASP in these patients

DISCLOSURE: The following authors have nothing to disclose: Medhat Soliman, Youssef Ameen, Usama Aboelhassan

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