Failure of disopyramide to improve right ventricular outflow tract obstruction after living-donor lobar lung transplantation

Katsumasa Miyaji, Hiromi Matsubara, Masahito Kajiya, Yoshinori Tani, Kazufumi Nakamura, Hiroshi Morita, Tetsuro Emori, Hiroshi Date, Tohru Ohe

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Right ventricular (RV) outflow tract obstruction (RVOTO) is an uncommon complication of lung transplantation in patients with pulmonary hypertension (PH) and both medical management and surgical intervention are required. A 28-year-old female with primary PH was referred and because she did not respond to medical treatment, living-donor lobar lung transplantation was performed. The operation was successful, but dyspnea and exercise intolerance developed during rehabilitation and transthoracic echocardiography revealed RVOTO. Intravenous disopyramide during cardiac catheterization reduced the pressure gradient from 35 mmHg to 16mmHg without decreasing RV systolic pressure. However, electrical and hemodynamic parameters were adversely affected by disopyramide and thus, after cardiac catheterization, administration of fluid and a low dose of atenolol was started, and her symptoms improved. Transthoracic echocardiography showed improvement in the RVOTO. This case suggests that disopyramide should be avoided for patients with RVOTO following lung transplantation and that other negative inotropic agents, such as β-blockers, are more effective for relief of RVOTO.

Original languageEnglish
Pages (from-to)1084-1087
Number of pages4
JournalCirculation Journal
Volume68
Issue number11
DOIs
Publication statusPublished - Nov 2004

Fingerprint

Disopyramide
Ventricular Outflow Obstruction
Lung Transplantation
Living Donors
Cardiac Catheterization
Echocardiography
Atenolol
Ventricular Pressure
Pulmonary Hypertension
Dyspnea
Rehabilitation
Hemodynamics
Exercise
Blood Pressure
Pressure
Therapeutics

Keywords

  • Disopyramide
  • Living-donor lobar lung transplantation
  • Primary pulmonary hypertension
  • Right ventricular outflow tract obstruction

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Physiology

Cite this

Failure of disopyramide to improve right ventricular outflow tract obstruction after living-donor lobar lung transplantation. / Miyaji, Katsumasa; Matsubara, Hiromi; Kajiya, Masahito; Tani, Yoshinori; Nakamura, Kazufumi; Morita, Hiroshi; Emori, Tetsuro; Date, Hiroshi; Ohe, Tohru.

In: Circulation Journal, Vol. 68, No. 11, 11.2004, p. 1084-1087.

Research output: Contribution to journalArticle

Miyaji, Katsumasa ; Matsubara, Hiromi ; Kajiya, Masahito ; Tani, Yoshinori ; Nakamura, Kazufumi ; Morita, Hiroshi ; Emori, Tetsuro ; Date, Hiroshi ; Ohe, Tohru. / Failure of disopyramide to improve right ventricular outflow tract obstruction after living-donor lobar lung transplantation. In: Circulation Journal. 2004 ; Vol. 68, No. 11. pp. 1084-1087.
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