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Revista Española de Enfermedades Digestivas

versión impresa ISSN 1130-0108

Resumen

CIRIZA-DE-LOS-RIOS, Constanza et al. Esophageal motor disorders are frequent during pre and post lung transplantation. Can they influence lung rejection?. Rev. esp. enferm. dig. [online]. 2018, vol.110, n.6, pp.344-351. ISSN 1130-0108.  http://dx.doi.org/10.17235/reed.2018.5263/2017.

Background:

lung transplantation (LTx) is a viable option for most patients with end-stage lung diseases. Esophageal motor disorders (EMD) are frequent in candidates for LTx, but there is very little data about changes in esophageal motility post-LTx.

Aim:

the aim of our study was to assess esophageal motor disorders by high resolution manometry (HRM) both pre-LTx and six months post-LTx in patients with and without organ rejection.

Study: HRM (Manoscan(r)) was performed in 57 patients both pre-LTx and six months post-LTx. HRM plots were analyzed according to the Chicago classification 3.0.

Results:

EMD were found in 33.3% and in 49.1% of patients pre-LTx and post-LTx, respectively, and abnormal peristalsis was more frequently found post-LTx (p = 0.018). Hypercontractile esophagus was frequently found post-LTx (1.8% and 19.3% pre-LTx and post-LTx, respectively). Esophagogastric junction (EGJ) morphology changed significantly pre-LTx and post-LTx; type I (normal) was more frequent post-LTx (63-2% and 82.5% respectively, p = 0.007). EMD were more frequent post-LTx in both the non-rejection and rejection group, although particularly in the rejection group (43.2% and 69.2% respectively, p = 0.09). EMD such as distal spasm, hypercontractile esophagus and EGJ outflow obstruction were also observed more frequently post-LTx in the rejection group.

Conclusion:

significant changes in esophageal motility were observed pre-LTx and particularly post-LTx; hypercontractile esophagus was a frequent EMD found post-LTx. EMD were more frequent in the group of patients that experienced organ rejection compared to the non-rejection group. EMD leading to an impaired esophageal clearance should be considered as an additional factor that contributes to LTx failure.

Palabras clave : Esophageal motility disorders; High resolution manometry; Lung transplantation; Hypercontractile esophagus; Lung rejection.

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