TCTAP A-120 Effect of Successful Percutaneous Transvenous Mitral Commissurotomy for Mitral Stenosis on Pulmonary Function

Khan, Umme Salma; Islam, Akm Monwarul; Majumder, Abdullah Al Shafi

doi:10.1016/j.jacc.2015.03.186

Cited by 1 publication

(2 citation statements)

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“…Post PBMV all patients showed restrictive type of features on pulmonary function test. Similar findings were reported by Simkova et al and Khan et al 20 , 21 The restrictive features may be due to chronic lung congestion due to increased interstitial fluid, decreased lung compliance and fibrosis from chronic congestion and consequent muscle fatigue.…”

Section: Discussionsupporting

confidence: 88%

“…However, the changes in FEV1/FVC were statistically insignificant. Similar observations were reported by Khan et al and Mundhra SH et al 21 , 22 All the patients showed improvement of their ventilatory function after PBMV that may be due to reduction in left atrial hypertension, pulmonary venous congestion, resulting in increased lung compliance.…”

Section: Discussionsupporting

confidence: 87%

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Assessment of immediate effects of percutaneous balloon mitral valvuloplasty on right ventricular and pulmonary functions in severe rheumatic mitral stenosis patients using speckle tracking echocardiography and spirometry

Sakkuru

Vanajakshamma

Rajasekhar

et al. 2020

J Cardiovasc Thorac Res

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Introduction: The current study was sought to assess the immediate effect of percutaneous balloonmitral valvuloplasty (PBMV) on right ventricular (RV) and pulmonary functions using speckle tracking echocardiography (STE) and spirometry respectively. Methods: Two-dimensional speckle tracking and doppler studies for strain and strain rate imaging of RV were performed before PBMV, after 48h and 15 days of PBMV using echocardiography and spirometry. Mitral valve area, peak and mean mitral valve transannular pressure gradients, late filling velocities,Wilkins score, Systolic pulmonary artery pressure, TAPSE, RV end-diastolic and end-systolic areas,RV fractional area change and Tei index were measured. Results: There was a significant rise in peak RV global longitudinal strain (GLS) from baseline to48h post PBMV and at 15 days post PBMV. Segmental RV strain at basal septum, mid septum,apical septum and basal RV free wall showed considerable improvement from baseline to 48h post PBMV and 15 days post PBMV. RV longitudinal strain rate parameters did not show significant improvement after PBMV and remained low at follow-up. Post PBMV all patients showed restrictive features on pulmonary function test. The mean FEV1 (% predicted), mean FVC (% predicted), mean PEFR improved from baseline to 48h PBMV and 15 days post PBMV. Though the mean FEV1/FVC increased post PBMV at 15 days follow-up, but it was statistically insignificant. Conclusion: RV performance in MS was decreased mainly due to increase in RV after load which improves after PBMV. Patients with severe MS have impaired pulmonary function which is of restrictive type and successful PBMV improves pulmonary function.

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Section: Discussionsupporting

confidence: 88%

Section: Discussionsupporting

confidence: 87%