Abstract：
BACKGROUND:Pulmonary endarterectomy is safe and effective surgical treatment for chronic thromboembolic pulmonary hypertension. This study aimed to evaluate the efficacy of pulmonary endarterectomy in treatment of thromboembolic pulmonary hypertension. METHODS:A retrospective study of 15 patients who underwent pulmonary endarterectomy in Beijing Chaoyang Hospital was performed. Obvious pulmonary hypertension and hypoxemia were observed in all patients. Bilateral pulmonary endarterectomy was performed under cardiopulmonary bypass with profound hypothermic circulatory arrest. RESULTS:Two patients (2/15) died of residual postoperative pulmonary hypertension and bleeding complication. The other 13 cases had significant decrease in systolic pulmonary artery pressure ((92.8 +/- 27.4) mmHg vs. (49.3 +/- 18.6) mmHg) and pulmonary vascular resistance ((938.7 +/- 464.1) dynesxsxcm(-5) vs. (316.8 +/- 153.3) dynesxsxcm(-5)), great improvement in cardiac index ((2.31 +/- 0.69) Lxmin(-1)xm(-2) vs. (3.85 +/- 1.21) Lxmin(-1)xm(-2)), arterial oxygen saturation (0.67 +/- 0.11 vs. 0.96 +/- 0.22) and mixed venous O(2) saturation (0.52 +/- 0.12 vs. 0.74 +/- 0.16) postoperatively compared to preoperative data. Mid-term follow-up showed that the cardiac function of all cases returned to NYHA class I or II, with great improvement in 6-minute walking distance ((138 +/- 36) m) and quality of life. CONCLUSIONS:Bilateral pulmonary endarterectomy using cardiopulmonary bypass with the aid of deep hypothermia and circulatory arrest can effectively reduce pulmonary hypertension and provide good mid-term hemodynamic and symptomatic results with low surgical mortality rate and few complications.
journal_name
Chin Med J (Engl)journal_title
Chinese medical journalauthors
Gu S,Liu Y,Su PX,Zhai ZG,Yang YH,Wang Csubject
Has Abstractpub_date
2010-04-20 00:00:00pages
979-83issue
8eissn
0366-6999issn
2542-5641journal_volume
123pub_type
杂志文章abstract：OBJECTIVE:To observe the anti-injury role of recombinant human augmenter of liver regeneration. METHODS:To establish liver injury models induced by CCl4 in vivo and in vitro, cell survival rates and LDH release rates served as observing index in experiments in vitro. Survival rates of liver failure animals, serum conc...
journal_title：Chinese medical journal
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