Journal of thoracic disease · 2020
Pulmonary valve replacement in primary repair of tetralogy of Fallot in adult patients.
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Liu Huan, Liu Shun, Zaki Anthony, Wang Xiuwen, Zhu Kai, Lu Yuntao, Yang Ye, Hamidi Rafi, Wei Lai, Wang Chunsheng
Аннотация
BACKGROUND: Adults with unrepaired tetralogy of Fallot (ToF) are common in developing countries. Long-term overload of the right ventricle places adult patients at risk for postoperative right heart failure after primary repair, which contributes to morbidity and mortality. The effect of pulmonary valve replacement (PVR) in reducing postoperative morbidity and mortality in adults has never been validated.
METHODS: We conducted a retrospective cohort study in adults (age ≥18 years) with ToF undergoing primary repair from January 2014 to December 2019 at our institution. Patients were divided into three groups according to techniques used to enlarge the right ventricle outflow tract (RVOT). Baseline variables and perioperative outcomes were collected. The primary endpoint was operative mortality. Secondary endpoints were incidences of right heart failure and stage 3 acute kidney injury (AKI).
RESULTS: A total of 56 patients were enrolled (mean age 41.5±11.7 years, 30 females, 53.6%). They were divided into three groups designated as the following: TA-PVR group for trans-annular patch enlargement with PVR; TA group for trans-annulus patch enlargement without PVR; and group AP for annulus preservation. Four patients (7.1%) died postoperatively, all due to right heart failure. All twelve patients in the TA-PVR group survived. There was no significant difference in mortalities among groups. Ten patients (17.9%) developed right heart failure after surgery with no significant difference among groups. Three patients (5.4%) developed stage 3 AKI after surgery, none belonging to the TA-PVR group, however, not statistically significant.
CONCLUSIONS: Right heart failure is a common complication after primary repair of adult ToF. Trans-annulus patch enlargement should be cautiously selected in this population. PVR with trans-annulus patch enlargement may be a promising technique to protect against postoperative right heart failure and mortality when annulus preservation is not feasible.
METHODS: We conducted a retrospective cohort study in adults (age ≥18 years) with ToF undergoing primary repair from January 2014 to December 2019 at our institution. Patients were divided into three groups according to techniques used to enlarge the right ventricle outflow tract (RVOT). Baseline variables and perioperative outcomes were collected. The primary endpoint was operative mortality. Secondary endpoints were incidences of right heart failure and stage 3 acute kidney injury (AKI).
RESULTS: A total of 56 patients were enrolled (mean age 41.5±11.7 years, 30 females, 53.6%). They were divided into three groups designated as the following: TA-PVR group for trans-annular patch enlargement with PVR; TA group for trans-annulus patch enlargement without PVR; and group AP for annulus preservation. Four patients (7.1%) died postoperatively, all due to right heart failure. All twelve patients in the TA-PVR group survived. There was no significant difference in mortalities among groups. Ten patients (17.9%) developed right heart failure after surgery with no significant difference among groups. Three patients (5.4%) developed stage 3 AKI after surgery, none belonging to the TA-PVR group, however, not statistically significant.
CONCLUSIONS: Right heart failure is a common complication after primary repair of adult ToF. Trans-annulus patch enlargement should be cautiously selected in this population. PVR with trans-annulus patch enlargement may be a promising technique to protect against postoperative right heart failure and mortality when annulus preservation is not feasible.