ISSN 1016-5169 | E-ISSN 1308-4488
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Tissue Doppler evaluation of the effects of major lung resection on cardiac functions [Turk Kardiyol Dern Ars]
Turk Kardiyol Dern Ars. 2009; 37(5): 317-320

Tissue Doppler evaluation of the effects of major lung resection on cardiac functions

Yücel Çölkesen1, Tayfun Açıl1, Alper Fındıkçıoğlu2, Abdullah Tekin1, Dalokay Kılıç2, Bülent Özin1, Haldun Müderrisoğlu1
1Department of Cardiology, Başkent University, Adana
2Department of Thoracic Surgery, Başkent University, Adana


OBJECTIVES
The aim of our study was to evaluate the influence of lung resection on cardiac functions by using tissue Doppler echocardiography.

STUDY DESIGN
Nineteen consecutive patients (15 males, 4 females; mean age 55±8 years) undergoing major lung surgery (16 lobectomy, 3 pneumonectomy) were evaluated in a prospective design. Malignant lung cancer (n=15, 79%) was the major cause for lung surgery. Exclusion criteria were a history of myocardial infarction, angina, atrial fibrillation, valvular heart disease, major arrhythmias, diastolic dysfunction, heart surgery, and FEV1/FVC ratio lower than 60%. Two-dimensional Doppler echocardiography and tissue Doppler imaging (TDI) were performed one or two days before surgery and 4±2 weeks postoperatively.

RESULTS
Compared to the preoperative measurements, right and left atrial and ventricular dimensions did not differ after surgery (p>0.05). Left ventricular ejection fraction, left ventricular end-systolic and end-diastolic volumes were preserved postoperatively. The following Doppler parameters showed significant changes after surgery: mitral A wave (92±23 cm/sec vs. 105±27 cm/sec, p=0.005), mitral E/A ratio (1.0±0.2 vs. 0.8±0.2, p=0.001), tricuspid A wave (65±19 cm/sec vs. 80±30 cm/sec, p=0.006), and tricuspid E deceleration time (327±68 msec vs. 274±51 msec, p=0.01). Concerning TDI parameters, there were significant differences in mitral E´/A´ ratio (1.0±0.4 vs. 0.8±0.3, p=0.03) and tricuspid E´ wave (9±2 cm/sec vs. 8±3 cm/sec, p=0.03) after surgery.

CONCLUSION
Findings of our study suggest that systolic functions are preserved but diastolic functions are affected after major lung resection in a relatively short time period.

Keywords: Echocardiography, Doppler, lung/surgery; lung neoplasms/surgery; ventricular function, left.

How to cite this article
Yücel Çölkesen, Tayfun Açıl, Alper Fındıkçıoğlu, Abdullah Tekin, Dalokay Kılıç, Bülent Özin, Haldun Müderrisoğlu. Tissue Doppler evaluation of the effects of major lung resection on cardiac functions. Turk Kardiyol Dern Ars. 2009; 37(5): 317-320

Corresponding Author: Yücel Çölkesen, Türkiye
Manuscript Language: English


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