ISSN 1016-5169 | E-ISSN 1308-4488
Archives of the Turkish Society of Cardiology - Turk Kardiyol Dern Ars: 29 (7)
Volume: 29  Issue: 7 - July 2001
1. Summaries of Articles

Pages 396 - 399
Abstract |Full Text PDF

2. Effect of Conversion to Sinus Rhythm on Left Ventricle Regional Myocardial Tissue Velocities in Patients with Lone Atrial Fibrillation
Osman BOLCA, Mehmet EREN, Bahadır DAĞDEVİREN, Özer SOYLU, Aydın YILDIRIM, Tuna TEZEL
Pages 400 - 405
This study was planned to evaluate the effect of canversion to sin us rhythm on left ventricle (LV) regional myocardial tissue velocities by PW tissue Doppler in patients with lone atrial fibrillation (AF). Twenty-seven patients with )one AF were enrolled. PW tissue Doppler tracings of mitral annulus, interventricular septum (IVS), posterior wall and apical segments of LV were obtained. Sm, Em and Am waves were taken as means of the measuremenıs of S consecutive beats. The sinus group was composed by the measurements which were repeated on days 14±2 following canversion to sinus rhythm. The control group w as composed of I O heal thy volunteers having a similar age profile. There were no changes in Sm and Am velocities for each segment when patients were converted to sinus rhythm from AF (p>0.05), whereas there were increase in Am velocities (p<0.05). The Em and Am velocities of all segments were found to be significantly lower than those of the control group (p<0.05) both in patients with AF and sinus rhythm but there were no signific iant differences for Sm velocities. The Sm velocities of IVS of patients when they were in either AF or sinus rhythm were lower than the mitral annulus and free wall and higher than the apical Sm velocities (p<0.05). There were no differences between segments for Em and Am velocities for patients either in AF or sinus rhythm. There was a positive correlation between LV ejection fraction (EF) and mitral annulus Sm velocities when patients were in AF rhythm (r:0.87, p<0.05). The following statements were concluded from the LV myocardial tissue Doppler tracings obtained from patients with !one AF: 1) the decrease in Em wave ve1ocity reflects the increase in LV stiffness and the decrease in elast ic recoil; 2) the decrease in Am wave velocity refl ects the contribution of atrial contraction on myocardial Am wave formatian and Am wave velocity decreases with AF, 3) there is a sig nifi cant positive correlation between mitral annulus Sm ve1ocity and LV EF.

3. Clinical, Echocardiographic and Arrhythmogenic Features of Hypertensive Patients with Normal Coronary Arteries and Ischemia on Myocardial Perfusion Scintigraphy
Dilek URAL, Ertan URAL, Göksel KAHRAMAN, Ayşen AĞAÇDİKEN, Ahmet VURAL, Cumali AKTOLUN, Baki KOMSUOĞLU
Pages 406 - 412
Ischemic hypertensive patients with normal coronary arteries have been a research area for a long time. However studies have been intensively focused on the angiographic but not on elinical features of these patients. In this study we investigated clinical, echocardiographic and arrhythmogenic features of the patients depicted above. Fifty-four hypertensive patients (30 female, 24 male, mean age 57±9 years) who showed a revers ible perfu sion defect on scintigraphy but no significant angiographic stenosis wer e included in the study group. Eighty hypertensive patients (58 female, 22 male, mean age 57±1 O years) w ith normal myocardial perfusion scintigraphy served as a control group. After detailed histories were taken from the patients, physical exami n a tion , biochemi ca l a n a l ys is, echocardiographic examination and 12-lead ECG recording were performed. Arrhythmic events were investigated in 26 patients with and in 30 patients without perfusion defects using 24-hours Holter monitoring. When we assessed elinical and echocardiographic findings with logistic regression analysis, the factors related with the presence of myocardial perfusion defects were found as male gender, duration of high blood pressure, left ventricular end-diastolic dimension and mitral A wav e velocity in the who le study group (p

4. Change in Aortic Stiffness and Distensibility in Patients with Diabetic Coronary Artery Disease: Effect of Glycerol Trinitrate
Sinan DAĞDELEN, Mehmet ERGELEN, Serdar SOYDİNÇ, Bengi YAYMACI, Akın İZGİ, Nuri KURTOĞLU, İsmet DİNDAR
Pages 413 - 419
Diabetes mellitus is a major risk factor for coronary artery disease and aortic dysfunction. The aim of this study was to determine the changes in the aortic elastic properties in patients (pts) with diabetic coronary artery disease and to search the effect glycerol trinitrate (GT). Method: Patients with coronary artery disease were allocated into two groups. Study group (SG) consisted of 17 pts ( 13 women 4 men; mean age 58.4±9.4 years) with diabetes mellitus, and the control group (CG) 20 pts (14 women, mean age 56.0±10.7 years) without diabetes mellitus. Aortic systolic and di astolic dameter indexes and aortic distensibility and stiffness index were measured before and after 200 pg GT (i ntravenously) by transthorasic echocardiography. Results: There were no statistically significant differences between the two groups before GT with regard to age, sex, smoking, systolic and diastolic blood pressures, aortic systolic and diastolic diameter indexes. Aortic distensibility was found to be lower and stiffness index was found to be higher in SG (for the distensibility 0.0015± 0.0005 vs 0.0026±0.0007 mmHg-1, p

5. Reconstructive Surgical Treatment of Ebstein's Anomaly
Gökhan İPEK, Kaan KIRALİ, Murat B. RABUŞ, Suat N. ÖMEROĞLU, Hasan B. ERDOĞAN, Deniz GÖKSEDEF, Ali GÜRBÜZ, Cevat YAKUT
Pages 420 - 425
The aim of this study was to show early and longterm results of the reconstructive treatment of Ebstein's anomaly. Between 1985 and November, 2000, 8 patients (six of whom female) were operated. Mean age was 14.2 ± 6.7 years (range, 5 to 23). Sinus rhythm prevailed in all patients. Pulmonary embolism due to right atrial thrombosis was the presenting symptom in one patient. Associated anomalies were ASO (37.5%) and VSD (12.5%). The tricuspid valve was Iocated 2.3 ± 0.9 cm (range, 1.2- 4.6 cm) below the mitral valve. W e have performed Danielson procedure (50%), tricu spid annuloplasty (37.5%) and Hardy procedure (12.5%) as reconstructive techniques. The mean follow-up period was 7.3 ± 3 years (range, 2.5 to 1 2.5). There was no early mortality and one Iate death. Transient complete AV block developed in one-half of the patients. One patient was rehospitalized with severeTight heart failure 30 months post operatively. Another one with previous right atrial thrombosis presented again with the same finding 6 years after operation. The right atrial dimensions (5.9 ± 0.5 cm; range, 5 to 6.5) decreased signi ficantly (p = 0.001) after surgery (4.5 ± 0.5; range, 4 to 5.5). Reconstructive treatment of Ebstein's anomaly with reducing tricuspid insufficiency and remodelling of the right atrial and ventricular chambers favorably affects the functional capacity of the patients. These have to be followed up closely for the possibility of right heart failure in the Iate postoperative period.

6. Comparison of Ambulatory Blood Pressure Parameters in Patients with White Coat Hypertension Versus Normotensive Subjects and Untreated Hypertensive Patients
Mustafa CEMRİ, Uğur HODOĞLUGİL, Mert CEYHAN, Deniz BARLAS, Halis DÖRTLEMEZ, Hakan ZENGİL
Pages 426 - 429
Parameters in Patients with White Coat Hypertension Versus Normotensive Subjects and Untreated Hypertensive Patients M. C emri, U. Hodoğlugil, M. Ceyhan, D. Bar/as, H. Dörtlemez, H. Zengil White coat hypertension is defined to be present when an individual is hypertensive in the physician's office, but normotensive when their blood pressure (BP) is measured with ambulatory blood pressure monitoring (ABPM). To assess the elinical importance of the white coat hypertension, we aimed to compare ambulatory blood pressure parameters in patients with white coat hypertension versus normotensive subjects and untreated hypertensive patients. The study was carried out on 96 hypertensive patients (57 F, 39 M; mean age: 51±1.3 years) and 132 normotensive subjects (101 F, 31 M; m ean age 41.4± 1.0) according to office measurements. After office BP measurements were recorded 3-4 times, ABPM was applied for 48 hours to each subject. We calculated 48-hour of, day and night mean load (proportion of elevated BP over a certain Jimit for a period) values for systolic and diastolic BPs. Of the 96 hypertensive patients, 20 (20.8%) had white coat hypertension (12 F, 8 M; mean age: 52.9±3.7 years) and 76 had sustained hypertension. Although 48-hour day and night mean and load values for systolic and diastolic BPs in patients with white coat hypertension were significantly lower than in those with sustained hypertension, they usere significantly higher than in normotensive subjects. These results suggest that white coat hypertension may be of elinical importance.

7. Rising Obesity Indices in 10-year Follow-up of Turkish Men and Women: Body Mass Index Independent Predictor of Coronary Events Among Men
Altan ONAT, İbrahim KELEŞ, Vedat SANSOY, Köksal CEYHAN, Ömer UYSAL, Ali ÇETİNKAYA, Burak ERER, Beytullah YILDIRIM, Ömer BAŞAR
Pages 430 - 436
In the original and new cohorts of the Turkish Adult Risk Factor Study, body mass index (BMI), waist circumference and waist-to-hip ratio (WHR) were cross-sectionally assessed among 2445 participants (mean age 51 ±14 years). In addition, BMI was prospectively evaluated over 10 years in over 2000 men and women. Coronary heart disease (CHD) was diagnosed based on elinical findings and Minnesota coding of resting electrocardiograms. At standardized age, mean BMI soared in a decade by + 1.29 and + 1.26 kg/m2, respectively, in men and women. In the last survey, in men and women, respectively, mean BMI was 26,8 and 29,2 kg/m2, and mean waist circumference w as 91.8 and 89,4 cm, respectively. Waist circumference, the best correlate of other risk parameters in both genders, exhibited correlations of moderate degree with (systolic or) diastolic pressure, plasma triglycerides, apo C-III and apo B, inverse correlations of mild degree with HDL-cholesterol, smoking and physical activity and direct correlation with blood glucose. In a prospective logistic regression analysis, BMI significantly and independently predicted nonfatal and/or fatal coronary heart disease (CHD) risk in men placing 9% excess risk for each inerement of 1 unit. Both waist circumference and body weight were significantly associated, after age adjustment, with prevalent CHD in both genders on bivariate analysis. It was concluded that the rising prevalence of (central) obesity in Turkish adults is contributing particularly among men to the existing high cardiovascular morbidity and mortality. Key words:

8. Importance and Interaction of Homocysteine and Lipoprotein (a) as Risk Factors in Young Patients With Myocardial Infarction
Murat SUCU, A. Aziz KARADEDE, Ali Vahip TEMAMOĞULLARI, M.Sıddık ÜLGEN, Sabri BATUM, Nizamettin TOPRAK
Pages 437 - 444
Although the effects of elevation of homocysteine and lipoprotein (a) in plasma have widely been investigated recently as a risk factor in coronary artery disease, the resuts of the studies and meta analyses are stili controversial. To that end, we investigated the significance of homocystein and Iipoprotein (a) levels as risk factors as well on their interaction, in a group of 92 patients with to acute myocardial infaretion and a group of 30 controls, all among 45 years-old. Although plasma homocystein levels were significantly higher in patients who sustained a to myocardial infaretion compared to the control group [geometric mean 12.4 ı.ımol/L (%95 CI 10.9-13.9 ı.ımol/L) and 10.0 (mol/L (%95 CI 5. 1-14.9 ı.ımol/L)], Lp(a) levels were similar in both groups. When homocystein and lipoprotein levels were divided in to quartiles, MI risk was significantly increased (OR 1.54) in the fourth quartile of homocystein. There was no significant difference between quartiles of Iipoprotein (a). When all subjects were separated according to the 90'" percentile of homocystein and lipoprotein (a) of the control group, patients with values above this percentile fo r homocystein had a significantly independent risk for MI in both univariate and multivariate analysis (p=O.Ol, OR 1.87 %95 CI 1.34- 2.75). Moreover lipoprotein (a) had no potential effect on the risk potential of homocystein. The strongest independent risk factors in subjects under 45 years-old were smoking (p=0,0004) and total cholesteroi/HDL-C ratio (p=O.O 1 ). Homocystein levels were higher in smokers compared to nonsmokers (p=0.004). lt was, there fore concluded that an increased level of plasma homocystein was a significant independent risk factor for myocardial infaretion in those under 45 years-old, where as elevated lipoprotein(a) level was not.

9. Comparison of Long-tip Electrode Catheter and Standard Catheter for Radiofrequency Ablation of Typical Atrial Flutter
Enis OĞUZ, Ahmet AKYOL, İzzet ERDİNLER, Kadir GÜRKAN, F. Tanju ULUFER
Pages 445 - 449
Although the effects of elevation of homocysteine and lipoprotein (a) in plasma have widely been Türk Kardiyol Dem Arş 2001; 29: 396-399 investigated recently as a risk factor in coronary artery disease, the resuts of the studies and meta analyses are stili controversial. To that end, we investigated the significance of homocystein and Iipoprotein (a) levels as risk factors as well on their interaction, in a group of 92 patients with to acute myocardial infaretion and a group of 30 controls, all among 45 years-old. Although plasma homocystein levels were significantly higher in patients who sustained a to myocardial infaretion compared to the control group [geometric mean 12.4 ı.ımol/L (%95 CI 10.9-13.9 ı.ımol/L) and 10.0 (mol/L (%95 CI 5. 1-14.9 ı.ımol/L)], Lp(a) levels were similar in both groups. When homocystein and lipoprotein levels were divided in to quartiles, MI risk was significantly increased (OR 1.54) in the fourth quartile of homocystein. There was no significant difference between quartiles of Iipoprotein (a). When all subjects were separated according to the 90'" percentile of homocystein and lipoprotein (a) of the control group, patients with values above this percentile fo r homocystein had a significantly independent risk for MI in both univariate and multivariate analysis (p=O.Ol, OR 1.87 %95 CI 1.34- 2.75). Moreover lipoprotein (a) had no potential effect on the risk potential of homocystein. The strongest independent risk factors in subjects under 45 years-old were smoking (p=0,0004) and total cholesteroi/HDL-C ratio (p=O.O 1 ). Homocystein levels were higher in smokers compared to nonsmokers (p=0.004). lt was, there fore concluded that an increased level of plasma homocystein was a significant independent risk factor for myocardial infaretion in those under 45 years-old, where as elevated lipoprotein(a) level was not.

10. Cardiac Malformations in Siamese Twins
Türkan Tansel ELMACI, Fehmi YAZICIOĞLU
Pages 450 - 455
The linear radiofrequency catheter ablation between tricuspid annulus and vena cava inferior is an effective and safe method for the treatment of typical atrial flutter. The present study was planned to assess whether the Iong-tip e lectrode ablation catheter, which can allow the creation of larger and deeper ablation lesions the than standard catheter (4- mm tip electrode), is more effective for linear ablation of typical atriaJ flutter. A total of 24 ablation procedures (4-mm tip in l l patients, 8-mm tip in 13 patientS')' were performed to 21 consecutive patients. The mean procedure- (78 ± 40 1 41 ± 40 min, p=0.002) and fluoroscopy-durations (47 ± 27 1 18 ± 5 min, p=0.0006) were shorter; the mean numbers of energy applications (9 ± 4.1 1 5.7 ± 4.1, p=0.0003) were lower; acute success rate (73% 1 92%, p=0.05) was higher with long tip e1ectrod.e catheters as compared with the standard catheter. The recurrence rate was 25% with 4-mm tip electrode catheter while it was 8% with 8-mm-tip electrode catheter during the mean follow-up period (12 ± 6 months). Furthermore, chronic success rate was higher with long tip electrode catheter (54% 1 84%, p=0.03). These findings demonstrate that long tip electrode catheter (8-mm) is more effective than the standard catheter ( 4-mm), and it reduces the procedureduration and exposure to radiation for linear catheter ablation of typical atrial flutter. Key words:

OTHER ARTICLES
11. In memory of Prof. Dr. Güngör Ertem

Page 456
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