eISSN: 1897-4295
ISSN: 1734-9338
Advances in Interventional Cardiology/Postępy w Kardiologii Interwencyjnej
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vol. 15
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Sequential wire shifting technique might be in some cases indispensable to acquire adequate pulmonary wedge pressure during right heart catheterization

Grzegorz M. Kubiak
Michał Zakliczyński
Michał Hawranek
Michał O. Zembala
Piotr Przybyłowski
Mariusz Gąsior

Adv Interv Cardiol 2019; 15, 4 (58): 499–502
Online publish date: 2019/12/08
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Right heart catheterization (RHC), according to current guidelines presented in the Joint Statement of the Polish Cardiac Society’s Working Group on Pulmonary Circulation and Association of Cardiovascular Interventions [1], is essential to diagnose pulmonary hypertension (PH), which is a serious limitation in case of heart transplant (HTx) listing. A pulmonary vascular resistance (PVR) value exceeding 3.0 Wood units is associated with raised post-operational mortality [2].
A 60-year old man with ischemic cardiomyopathy had RHC prior to HTx listing. Initial examination 6 months earlier failed to assess pulmonary capillary wedge pressure (PCWP). Moreover, it provoked acute decompensation with the need of urgent treatment. Several issues may have contributed as the patient presented a severe clinical condition with New York Heart Association class IV, INTERMACS class III. Secondly, heart failure (HF) emerged gradually, which resulted in major dilatation of the ventricles. Thirdly, the patient presented with combined pre- and post-capillary hypertension; hence he would fall within the scope previously described as “out-of-proportion” PH. Likewise, in this clinical state, raised PVR may lead to a progressive dilatation of the pulmonary arteries. The heavily remodelled anatomy of the pulmonary vascular bed may present a challenge that needs a real breakthrough unless the procedure remains incomplete; hence the sequential wire shifting (SWS) technique was introduced. Noticeably, the unequivocal result of PCWP merits the simultaneous assessment of left ventricular end-diastolic pressure during left heart catheterization as the gold standard, especially given that it may lead to misclassification of PH with all consequences [3].
A 7-F Balton, Poland sheath is inserted by the use of Seldinger’s technique. A Swan-Ganz (SG) catheter (Edward Lifesciences, USA) is introduced into the right ventricle in order to perform single beat calibration of the catheter and pressure transducer based on the routine, previously described manner [4]. Subsequently, the catheter and the pressure transducer are disconnected. Latterly the diagnostic EMERALD, Cordis, USA, guidewire 0.035 × 150 cm, 3 mm J tip wire is inserted into the left pulmonary artery. A multi-purpose (MPA), Cordis diagnostic catheter is introduced with the subsequent removal of the diagnostic wire. A 300 cm J-tip Whisper ES, Abbott, USA, angioplasty wire is placed via the MPA catheter with...

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