JOURNAL OF PRACTICAL ELECTROCARDIOLOGY

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JOURNAL OF PRACTICAL ELECTROCARDIOLOGY

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JOURNAL OF PRACTICAL ELECTROCARDIOLOGY

	2012 Vol.21 Issue.1 Published 2012-01-01

Article

	1	Clinical curative effect evaluation of the radiofrequency catheter ablation on supraventricular tachycardia in children
		LU Ying-1, WU Lin-2, QI Chun-Hua-2, HE Lan-2, ZHANG Dan-Yan-2, LIU Fang-2
		Objective To assess efficacy and safety of radiofrequency catheter ablation for su-praventricular tachycardia in pediatric patients. Methods A retrospective study was made in a total of 39 pediatric patients， who underwent radiofrequency catheter ablation for supraventricular tachy-cardia in our institute. Results Structural heart disease was excluded in all of the patients， inclu-ding 21 boys and 18 girls，with mean age 11.0±3.5 years（range 4.7 to 18.4 years）. Electro-physiologic studies revealed atrioventricular reentry，atrioventricular nodal reentry and ectopic atrial tachycardia in 25，11 and 3 patients，accounting for 64.1%，28.2% and 7.7%，respectively. Among 25 patients with atrioventricular reentry tachycardia，12 patients had Wolff-Parkinson-White accessory pathway and the other 13 patients had concealed pathway. The involving pathways located in left free-wall，right free-wall and right septum were identified in 9，8 and 8 patients respectively. Ablation success was achieved in 37 patients（94.9%） and recurrence occurred in 2 patients （5.1%）. No complication was found. Conclusions Our primary experience indicated radiofrequency catheter ablation is a safe and effective therapy for children with supraventricular tachycardia.
		2012 Vol. 21 (1): 1- [Abstract] ( 2657 ) [HTML 1KB] [ PDF 890KB] ( 2863 )

	4	Value of Cornell Index in ediatric electrocardiogram on diagnosis left ventricular hypertrophy
		XIANG Li-Ming, LIU Ming, WANG Man-Ping, XIA Fei, ZHAO Liang-Qiao, HUANG Han-Qin
		Objective To appraise the diagnosis value of Cornell index and Sokolow index by comparing their performance in pediatric electrocardiogram for left ventricular hypertrophy. Methods One thou- sand and eighty two cases of children inpatient from 2008 to 2010 in our hospital were divided into three groups: one months to three years old（232 cases in male and 184 cases in female），three years old to thirteen （198 cases in male and 143 cases in female），thirteen to seventeen（186 cases in male and 139 cases in female）. Each group was divided into normal group and LVH group according to left ventricular diameter （LVD） detected by echocardiogram. Sensitivity，specificity and accurancy of Cornell index and Sokolow index were calculated. Results In the group of one months to three years， the sensitivity， specificity and accurancy of Cornell index were higher than Sokolow index for both sexes. There was no significant difference of the two indexes in the other two groups（>0.95），but the sensitivity and accurancy of Cornell index were higher than Sokolow index for both sexes in the later groups. Conclusion The effect of Cornell index is more effective than Sokolow index in pediatric electrocardiogram diagnosis for left ventricular hypertrophy.
		2012 Vol. 21 (1): 4- [Abstract] ( 2005 ) [HTML 1KB] [ PDF 1457KB] ( 3488 )

	6	Predictive value of deceleration capacity of rate to malignant ventricular arrhythmias sudden cardiac death
		SUN Hai-Yan
		Objective To study the predictive value of testing technology of deceleration capacity of rate（DC） to malignant ventricular arrhythmias sudden cardiac death. Methods Comparative analysis of the deceleration capacity of rate were done between the observation group of 8 patients with sudden cardiac death and 17 patients with malignant ventricular arrhythmias and the control group of 28 patients with no sudden cardiac death or malignant ventricular arrhythmias. Results Standard by DC<4.5 ms as abnormal and DC<2.5 ms as significant abnormal，the DC variation of the observation group was obviously higher than that of the control group. Conclusion The deceleration capacity of rate has predic- tive value for malignant ventricular arrhythmias sudden cardiac death， and DC<2.5 ms as the abnormal standard has clinical practicality.
		2012 Vol. 21 (1): 6- [Abstract] ( 2145 ) [HTML 1KB] [ PDF 811KB] ( 2736 )

	9	Diagnostic value of combined detection of vectrocardiography and echocardiography on inferior wall old myocardial infarction
		CHEN Hao-Gang, CHEN Jing-Xia, JIANG Feng-Lan, DAI Shao-Hua, LUO Hai-Juan, CHEN Yi-Ying, WANG Ru-Qiang
		Objective To investigate the clinical significance of combined detection of vectrocardiography and echocardiography on inferior wall old myocardial infarction diagnoses. Methods Sixty- three patients with inferior wall old myocardial infarction were examined by electrocardiogram，vectrocardiography and echocardiography，and then diagnosing correct rate were analyzed. Results The diagnosing correct rates of vectrocardiography，echocardiography and the combined detection of vectrocardiography and echocardiography were 92.06%， 85.71% and 95.24% respectively， all of them were obviously higher than that of electrocardiogram（61.90%）， the difference was significant（ P <0.05）. Conclusion The diagnosing correct rates of vectrocardiography and echocardiography in inferior wall old myocardial infarction diagnoses were high， and the combined detection of vectrocardiography and echocardiography has greatly improved the accuracy.
		2012 Vol. 21 (1): 9- [Abstract] ( 2049 ) [HTML 1KB] [ PDF 803KB] ( 2559 )

	11	Significance of non-specific intraventricular block
		GUO Zhen-Zhen-1, SHI Ya-Jun-1, MA Yan-Lan-2
		Objective To explore the electrocardiogram（ECG） signal of non-specific intraventricular block and the correlation with disease. Methods Analysis retrospectively ECG signals of 71 pa- tients with non-specific intraventricular block at different ages， and the relationship with disease. Results Non-specific intraventricular conduction block occurred in the sex ratio of 65: 6（male to female）.Incidence at three ages was 32%，30%，38% respectively. In the group less than 40-year-old， the main population was without organic heart disease patients and health people（78%）. More than 60-year-old， the main cause was coronary heart disease（CHD） and hypertension（59%）. Non-specific intraventricular block with ST-T variation is common in patients with organic heart disease（59%）. Conclusions There was no difference of incidence at three ages， but is common in male patients.In younger patients，non-specific intraventricular block is common in patients without organic heart disease and healthy people，however， in elders，the pathogeny is mainly hypertension or CHD（coronary heart disease）. There is larger clinical significance when nonspecific intraventricular conduction block is combined with other ECG abnormalities.
		2012 Vol. 21 (1): 11- [Abstract] ( 2069 ) [HTML 1KB] [ PDF 808KB] ( 2289 )

	13	Clinical analysis on 62 senile patients with atrial fibrillation
		YAO Guang-Hui-
		Objective To study the pathogeny and type of senile atrial fibrillation（AF）， analyze the related diameter of left atria and the anticoagulant treatment status. Methods Sixty two patients over 80 years old senile patients with AF were analysed. Results Patients with paroxysmal，prolonged and persistent AF accounted for 33.87%， 22.58% and 43.55%. Coronary artery disease is the most common etiology， followed by hypertension，valvular degeneration and electrolyte disorders.As compared with prolonged AF and persistent AF， the left atrial diameter of paroxysmal AF was smaller，which showed a significant difference（P<0.05）. Among 62 patients the occurrence of arterial embolization was 22 cases（35.48%）; Cerebral stroke was 20 cases（32.26%）. 21 of patients did not receive any anticoagulation therapy. Conclusion Coronary heart disease and hypertension is the common cause of senile AF. Stroke is one of the important complications，66.13% of patients received antithrombotic therapy with antiplatelet therapy. Antithrombotic treatment for senile patients with atrial fibrillation should be cautious.
		2012 Vol. 21 (1): 13- [Abstract] ( 1345 ) [HTML 1KB] [ PDF 813KB] ( 2070 )

	16	Electrocardiogram analysis of diabetes mellitus patients concurrent microangiopathy
		TAN Jia-Hong
		Objective To analyze the abnormal detection rate and types of electrocardiogram （ECG） of type 2 diabetes mellitus（T2DM）patients with microangiopathy， discuss the clinical diagnostic value of ECG for the heart damage of T2DM patients with microangiopathy. Method Each 110 cases of T2DM patients without microangiopathy and those with microangiopathy were selected. The ECG of the patients was analyzed. Results Thirty-nine cases of abnormal ECG were found in comparing group， ab- normal detection rate was 35.45%. For observing group， 98 cases of of abnormal ECG were detected， abnormal detection rate was 89.09%. A significant difference was found between the two groups（ P < 0.05）; ST-T changing is the most common in both of the two groups of abnormal ECG， followed by car- diac arrhythmias， both with statistical significance（ P <0.05）. Conclusion The abnormal ECG detec- tion rateof T2DM patients with microangiopathy was higher than those patients without microangiopathy. Clinical ECG inspection of T2DM should be performed regularly with dynamic observation and analysis， and cardiac damage induced by T2DM with microangiopathy should be detected timely， which is significant inpreventing and early treatment of diabetes with coronary heart disease and diabetic cardiomyopathy.
		2012 Vol. 21 (1): 16- [Abstract] ( 1802 ) [HTML 1KB] [ PDF 809KB] ( 2748 )

	19	Effect of intra-coronary artery cord blood stem cell transplantation on ventricular arrhythmia
		WEI Fang-1, LUO Han-2, LI An-Jie-1, ZHOU Yong-Gang-1, LIANG Qing-Long-1, ZHOU Song-1
		Objective To investigate the effect of intra-coronary artery cord blood stem cell transplantation on ventricular arrhythmia. Methods Forty coronary artery disease patients determined by coronary arteriongraphy were divided into medicinal treatment control group and stem cell transplantation experimental group. Dynamic electrocardiogram was done before and at 1， 8 weeks after transplantation. Result The arrhythmia scores at 1，8 weeks after transplantation were significantly lower than that in control group and before transplantation（P <0.05 or 0.01）. Conclusion Intra-coronary artery cord blood stem cell transplantation may reduce arrhythmia score and the occurrence of ventricular arrhythmia.
		2012 Vol. 21 (1): 19- [Abstract] ( 1606 ) [HTML 1KB] [ PDF 801KB] ( 2034 )

	21	Clinical observation of integrated traditional and western medicine treatment on 65 cases arrhythmia
		CHEN Fang-
		Objective To perceive the therapy effect of intergrated treatment of Buchangwenxin granules and Metoprolol on arrhythmia. Methods Randomly divide 65 arrhythmia patients into 2 groups， one group of 35 for therapy using Buchangwenxin granules plus Metoprolol and the other of 30 for comparison using only Metoprolol， by 4 weeks of DCG（Dynamic Electrocardiogram） and clinic symptom observation. Result Intergrated treatment of Buchangwenxin granules and Metoprolol on arrhythmia was more effective than single Metoprolol therapy. Conclusion Buchangwenxin granules plus Metoprolol therapy owns more clinic application value in curing arrhythmia.
		2012 Vol. 21 (1): 21- [Abstract] ( 957 ) [HTML 1KB] [ PDF 802KB] ( 1956 )

	23	Clinical value of dynamic dectrocardiogram in detecting silent myocardial ischemia
		LIU Ling-Ling, MENG Jun-
		Objective To study the clinical value of dynamic dectrocardiogram in detecting silent myocardial ischemia（SMI）for patients with coronary heart disease. Methods One hundred and thirty eight patients with coronary heart disease were detected by 12 lead dynamic electrocardiogram for 24 hours. Results There were 439 SMI episodes（85.08%） in total 516 episodes ST segment depression with myocardial ischemia. Conclusion The incidence for SMI in coronary heart disease patients was very high. And the dynamic dectrocardiogram in detecting SMI has many advantages，such as high sensitivity and high accuracy.So it is significant for the prevention of SMI.
		2012 Vol. 21 (1): 23- [Abstract] ( 995 ) [HTML 1KB] [ PDF 802KB] ( 2034 )

	25	Change of ST、ST/HR、SDNN after coronary stent in elderly patients with diabetes mellitus and heart disease
		ZHAO Wei, WANG Yan-Mei
		Objective To detect indicators of dynamic ECG（ST，ST/HR，SDNN） and preliminary evaluate the value in elderly diabetic patients before and after stent placement. Methods The indexes of ST，ST/HR and SDNN changing was selected by 12-lead dynamic electrocardiograph from young people with diabetes combined with coronary heart disease and elderly diabetes，the relativity between the indexes and coronary stenting was analysed，the ST，ST/HR and SDNN indicators in each group was compared. Results Significant difference of the indexes of ST，ST/HR，SDNN was found between the youth without stenting and older group（P <0.05），as well as the youngth with stenting（P <0.05）. There was significant difference between the young group and old group before and after coronary angiography（P <0.05）. Conclusion Significant difference was found in the indexes of ST，ST/HR，SDNN between young group and old group before and after coronary angiography as well as the stenting. The age is proved to relate with the myocardial ischemia.
		2012 Vol. 21 (1): 25- [Abstract] ( 1249 ) [HTML 1KB] [ PDF 798KB] ( 1882 )

	27	Analysis of dynamic electrocardiograph in patients with dilated cardiomyopathy
		LIU Ming
		Objective To observe the arrhythmia characteristics in patient with dilated cardiomyopathy（DCM）by dynamic electrocardiogram. Methods Analyze the dynamic electrocardiogram of 201 patients with DCM. Results The arrhythmia was appeared in all cases， among which ventricular arrhythmias were the most common， followed by ST segment changing. Conclusion The frequent ventricular arrhythmias could be found in most patients with DCM. Myocardial damage suggested by ST segment changes could prompt arrhythmia. If not controlled effectively in time， it could be easy to develop into malignant arrhythmias under variety incentives that would result in cardiac arrest， sudden death.
		2012 Vol. 21 (1): 27- [Abstract] ( 1494 ) [HTML 1KB] [ PDF 798KB] ( 1942 )

	29	Effect of electrocardiogram checking on the emergency treatment in the primary hospital
		XU Wei-Hong-1 , GAO Jian-2, YU A-Xin-3
		Objective To discuss the effect of electrocardiogram checking on the emergency treatment in the primary hospital. Methods One thousand two hundred eighty nine emergency cases of electrocardiogram according to different symptom were divided and contrasted. The relationship between mainly changing of electrocardiogram and main symptom of the suffers was analyzed. Results For the acute coronary syndrome，patients who were suffered from chest pain，it was common to find ST-T change and abnormal Q-wave. For those who were suffered from periodic paralysis，vomiting and diarrhea，it was common to find hypokalemia. The patients with arrhythmia were mostly with syncope and palpitation. The relevance ratio of abnormal electrocardiogram in emergency treatment was 84.79%， in which ST-T change account for 36.16%，arrhythmia account for 37.00% and the other account for 11.63%， while the normal electrocardiogram account for 15.21%. Conclusion Emergency electrocardiogram checking is an important way to diagnosis and monitor because of its noinvasive and simple.
		2012 Vol. 21 (1): 29- [Abstract] ( 1421 ) [HTML 1KB] [ PDF 1537KB] ( 2136 )

	31	Clinical follow-up observation of transient short PR ECG on 32 cases in later gestational period
		ZHENG Xian-Ju
		Objective To analyze the clinical significance and prognosis of short PR interval in later gestation period. Methods Nihon Kohden 92C automatic analysis scanner was used to acquire general 12-lead electrocardiogram， monitoring and analysis was taken charge. Results Incidence in the third-trimester pregnant women was found to be high than normal group. Conclusion It is normal to find short PR interval and QRS wave group time in later gestational period. A favorable prognostic will be anticipated if there is no concurrent supraventricular tachycardia，pay attention to post-natal follow up.
		2012 Vol. 21 (1): 31- [Abstract] ( 1350 ) [HTML 1KB] [ PDF 800KB] ( 2377 )

	33	Clinical value of the regularity of outbreak and the diurnal rhythm of paroxysmal atrial tachycardia
		ZHANG Xiao-Yun, ZHI Ai-Rong, HUANG Lu, LIU Zhi-Lan-
		Objective To explore the clinical value of the regularity of outbreak and the diurnal rhythm of paroxysmal atrial tachycardia. Methods The DCG was used to analyse the regularity of outbreak and the diurnal rhythm of paroxysmal atrial tachycardia in 366 patients. Results The incidence rate of paroxysmal atrial tachycardia was the highest in patients with coronary heart disease（55.2%），and the rates was increased by age increasing，the elder group was the highest while compared with other groups（P <0.01）. The diurnal rhythm was found on those with paroxysmal atrial tachycardia. Conclusion Atrium muscle depolarization velocity incongruous on patients with coronary heart disease is favorable for the incidence of paroxysmal atrial tachycardia affected by myocardial ischemia，hypoxia，inflammation，denaturalization and fibrosis. Detection rate is increased by age increasing which is result from the changing of automaticity，excitory，conductibility of the heart induced by myocardial degenerative. The diurnal rhythm of paroxysmal atrial tachycardia was proved to been effected to by vegetative nerve.
		2012 Vol. 21 (1): 33- [Abstract] ( 1230 ) [HTML 1KB] [ PDF 831KB] ( 3019 )

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		ZHUANG Wei-Hua-1 , HOU Ya-Qin-2, LEI Li-2

		2012 Vol. 21 (1): 35- [Abstract] ( 1175 ) [HTML 1KB] [ PDF 801KB] ( 1843 )

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		2012 Vol. 21 (1): 36- [Abstract] ( 1149 ) [HTML 1KB] [ PDF 2007KB] ( 2046 )

	38	Dynamic electrocardiogram analysis of 116 cases of paroxysmal auricular fibrillation
		ZHI Ai-Rong, ZHANG Xiao-Yun, HUANG Lu, LIU Zhi-Lan-
		Objective To explore regularity of outbreak and distribution rule of paroxysmal atrial fibrillation（PAF）through the analysis of characteristics of PAF recorded in Holter monitoring. Methods Holter recordings were analyzed to record the time and number of the episodes of PAF，as well as other kind of arrhythmia. Results The incidence of paroxysmal atrial fibrillation was the highest（48.3% in patients with coronary heart disease）. The incidence was the highest in old people groups and diurnal rhythm was proved existed. Ventricle rhythm of the old groups was slower than other groups during PAF attacks. Before and after PAF， kinds of arrhythmia happened，especially supraventricular arrhythmia. Conclusions The outbreak of PAF depend upon existed heart disease and regulatory factor. It indicated that PAF have close connection with angiocarpy incident.
		2012 Vol. 21 (1): 38- [Abstract] ( 1265 ) [HTML 1KB] [ PDF 1491KB] ( 2229 )

	40	Clinical significance of electrocardiogram changes of chronic obstructive pulmonary disease
		ZHANG Xue-Jie-
		Objective To study the electrocardiogram performance and clinical significance of chronic obstructive pulmonary disease（COPD）. Methods A retrospective analysis was used for 60 patients with chronic obstructive pulmonary disease in our hospital from April of 2006 to October of 2010，among which 30 males and 30 females. Standard 12 lead ECG electrocardiograms were analyzed and com- pared. Results Eighteen cases of anteroseptal myocardial infarction were found， including male 12 cases， female 6 cases， while the other cases including 3 cases of non Q wave infarction， 5 cases of incomplete right bundle branch block， 4 cases of complete right bundle branch block， sinus tachycardia， heart-beat in 10 cases， 6 cases of pulmonary P wave， ST-T change in 5 patients， atrial beats in 6 cases， 3 ca- ses of ventricular premature beat. Conclusion The patients with chronic obstructive pulmonary disease are easy to intercurrent with anterior wall myocardial infarction， and the morbidity of male is high than women.
		2012 Vol. 21 (1): 40- [Abstract] ( 1737 ) [HTML 1KB] [ PDF 822KB] ( 3144 )

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	43	Clinical curative effect of amiodarone on treating ventricular arrhythmia and relationship between QT interval
		ZAN Chun-Hui
		Objective To observe clinical curative effect of amiodarone on treating ventricular arrhythmia and relationship between QT interval. Methods Fifty cases with ventricular arrhythmia were selected. The patients were treated by standard therapy of basic disease and oral amiodarone. The relevant indicators was obversed during the process. Results After the therapy，the QT interval of the patients was obviously extended， ventricular premature contraction and nonsustained ventricular tachycardia were improved while the total effective rate was 96%. Decline of cardiac function，abnormal of liver function and thyroid dysfunction， adverse reaction of skin， nerve， cornea and malignant arrhythmia were not found. Conclusion Curative effectthe on ventricular arrhythmia is positive with less side effect， the QT interval extending rely on the unity. Larger dosage can be considered for those who with no QT interval extending.
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