Turkiye Klinikleri Journal of Medical Sciences

.: ORIGINAL RESEARCH
İntraaortik Balon Pompasından Güvenli Ayrılma: Transtorasik Ekokardiyografi ile Akselerasyon-Deselerasyon Zaman İndeksi Ölçümü
SAFE WEANING FROM ıNTRAAORTIC BALLOON PUMP: MEASUREMENT OF AORTIC ACCELERATION AND DECELERATION TIME ıNDEX BY TRANSTHORACIC ECHOCARDIOGRAPHY
Nezihi KÜÇÜKARSLANa, Rıfat Eralp ULUSOYc, Ertuğrul ÖZALa, Mehmet UZUNb, Harun TATARa
aKalp ve Damar Cerrahisi AD, bKardiyoloji AD, GATA Askeri Tıp Fakültesi Hastanesi, ANKARAcKardiyoloji Servisi, GATA Haydarpaşa Eğitim Hastanesi, İSTANBUL
Turkiye Klinikleri J Med Sci. 2006;26(2):153-6
Article Language: TR
Full Text
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Amaç: Hastaların postoperatif transtorasik ekokardiyografi (TTE) kayıtlarındaki aortik akselerasyon zamanı (AccTi) ve deselerasyon zaman (DecTi) indekslerini inceleyerek, intraaortik balon pompası (İABP)'ndan sorunsuz ayrılmayı sağlayabilecek değerlerini belirleyip, klinik kullanımdaki önemini vurgulamaya çalıştık. Gereç ve Yöntemler: 1998 Ocak-2003 Aralık ayı sonuna kadar kalp ve damar cerrahisi kliniğinde koroner arter bypass ameliyatı (CABG) olan 4178 hasta arasından CABG sonrası İABP desteğine ihtiyaç duyan 49 hasta bu çalışmaya dahil edildi. Hastalar inotrop destek eşliğinde postoperatif ilk 48 saatte İABP'dan ayrılamayan (grup 1, n: 15) ve ayrılabilen (grup 2, n: 34) olarak ayrıldı. CABG çıkışında İABP' a ihtiyaç duymayan yaş ve cins ayrımı gözetilmeksizin seçilen 43 hasta kontrol grubu olarak belirlendi. Çalışma, hastaların postoperatif yoğun bakım ünitesinde, İABP'dan ayrılım öncesi, 3 dk. durdurulma sonrası yapılan, TTE değerlendirmelerinin dosya kayıt sistemi üzerinden retrospektif incelenmesiyle gerçekleştirildi. Apikal 5 boşluk görüntülemede hastaların AccTi ve DecTi'leri hesaplandı. Bulgular: Her iki çalışma grubunun AccTi ortalamaları 80 ± 23 msn ve DecTi ortalamaları 150 ± 60 msn olarak belirlendi. Tüm çalışma grubunun AccTi ortalama değeri 47 ± 35 msn/m<sup>2</sup>, DecTi ortalama değeri ise 88 ± 43 msn/m<sup>2</sup> olarak saptandı. Kontrol grubunun AccTi ortalama değeri 53 ± 35 msn/m<sup>2</sup>, DecTi ortalama değeri ise 94 ± 43 msn/m<sup>2</sup> olarak belirlendi. Sonuç: TTE ile hesaplanan AccTi ve DecTi ölçüm parametreleri ile İABP'dan uygun ayrılma zamanının belirlenebilmesi, non-invaziv, uygulanması son derece kolay, güvenli bir yöntemdir.

Anahtar Kelimeler: İntraaortik balon, ekokardiyografi, akselerasyon zaman indeksi, deselerasyon zaman indeksi
ABSTRACT
By examining the postoperative transthoracic echocardiographic (TTE) records, we tried to find out the values of aortic acceleration time (AccTi) and deceleration time (DecTi) indexes to provide a safe separation from intra-aortic balloon pump (IABP) clinically. Material and Methods: Between January 1998 and December 2003, 4178 patients underwent Coronary artery bypass grafting (CABG) operations in the cardiovascular surgery clinic. The study group consisted of 49 cases. The first group comprised 15 patients who could not be weaned from IABP within postoperative 48 hours in spite of pharmacologic support. The second group was consisted of 34 patients who were separated from IABP within postoperative 48 hours. Fourteen patients who had no need for IABP after CABG were considered the control group without considering age and gender. The study was based on the retrospective examination of the TTE records before weaning from IABP in intensive care unite postoperatively. The AccTi and DecTi indexes of the patients were measured after Apical 5 chamber measurement. Results: The mean AccTi for both groups were 80 ± 23 msn and the mean DecTi for both groups were 150 ± 60 msn. Overall, the AccTi mean value was 47 ± 35 msn/m<sup>2</sup> and the DecTi mean value was 88 ± 43 msn/m<sup>2</sup>. In the control group, the AccTi mean value was 53 ± 35 msn/m<sup>2</sup>, and the DecTi mean value was 94 ± 43 msn/m<sup>2</sup>. Conclusion: We suggest that to decide for the appropriate time for safe weaning from IABP it may be necessary to measure the aortic AccTi and DecTi, which is a beneficial, noninvasive method and easy to calculate that may find a place in the clinical use.

Keywords: Intra-aortic balloon pumping, echocardiography, acceleration, deceleration

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