Li-Gang Fang

Chinese Academy of Medical Sciences, Peping, Beijing, China

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Publications (16)8.04 Total impact

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    ABSTRACT: Background: To determine the influence of right ventricular function in patients with constrictive pericarditis (CP) undergoing surgery and to compare the outcomes of patients who received surgery with those managed medically. Methods: Patients with the diagnosis of CP and healthy volunteers were recruited from January 2006 to November 2011. Patients with CP chose to either receive pericardiectomy or medical management. Echocardiographic measurements were performed to evaluate heart function, and survival was recorded. Results: A total of 58 patients with CP (36 received pericardiectomy, 22 managed medically), and 43 healthy volunteers were included. CP patients who received surgery had a higher survival rate than those managed medically (P = 0.003), and higher survival was also seen in the subgroup of CP patients with severely impaired right systolic function. Albumin level, left ventricular end-diastolic dimension, and tricuspid regurgitation velocity were associated with survival in CP patients who received surgery. Conclusions: Preoperative right heart function does not affect surgical outcomes. Patients with severely impaired preoperative right systolic function obtain a greater survival advantage with surgery than with medical treatment.
    No preview · Article · Feb 2016 · Chinese medical journal
  • Zhuang Tian · Li-Gang Fang · Yong-Tai Liu · Shu-Yang Zhang
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    ABSTRACT: Anomalous origin of the left coronary artery from the pulmonary artery (ALCAPA) is a rare congenital malformation. It is unusual for an ALCAPA patient to survive to adulthood. We present a case of an asymptomatic 54-year-old woman with this syndrome in which visualization of a markedly enlarged and tortuous right coronary artery and intercoronary collaterals by echocardiography raises suspicion for this disease and subsequently guides a step-by-step diagnosis. The patient lives well without surgery 3 years after diagnosis.
    No preview · Article · Jan 2013 · Internal Medicine
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    ABSTRACT: Objectives: To assess the clinical characteristics and outcome of patients with cardiac Behçet's disease(BD). Methods: Medical charts of 20 cardiac BD patients admitted in Peking Union Medical College Hospital from June 1996 to June 2011 were systematically reviewed, including demographic data, clinical features, laboratory and histopathology findings and outcome. Results: Patients age ranged 19~57 yrs[mean (35±10) yrs], included 17 males and 3 females. Six (30%) of them did not fulfill the ISG criteria at cardiac onset, and fourteen (70%) of them experienced heart failure. Echocardiography findings included intracardiac thrombus (n=7), and aortic valve involvement with left ventricular enlargement and severe aortic regurgitation (n=13). Eight patients underwent surgery before efficient immunosuppressant treatment, and five (62.5%) underwent re-operation due to recurrence of thrombus or valvular dehiscence and severe paravalvular leakage. Histopathology findings revealed predominantly inflammatory cells infiltration, thrombus and fibrous tissue formation. After initiation of prednisone plus immunosuppressant, patients were followed up for 6~42 months (mean 14.8±9.9 months), the intracardiac thrombus disappeared or decreased in size in five cases, remained stable after surgery in the other two cases, and the heart failure disappeared in all patients with aortic involvement. Conclusions: Cardiac BD affects males more than females, and is prone to delayed diagnosis because some patients do not have typical clinical manifestations at cardiac onset; Corticosteroids plus immunosuppressants reduce the thrombus and improve aortic regurgitation and heart failure in cardiac BD, whereas surgery alone does not lead to complete resolution.
    No preview · Article · Sep 2012 · Clinical and experimental rheumatology
  • Li-Lin Guo · Li-Gang Fang · Wen-Ling Zhu · Guo-Fang Ding

    No preview · Article · Aug 2012 · Chinese medical journal
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    ABSTRACT: To summarize the clinical and echocardiographic features of cardiac myxomas. The medical records of patients with diagnosis of cardiac myxomas who hospitalized in our department from October 1985 to February 2011 were analyzed. A total of 64 patients were enrolled [40 female, the mean age was 2 - 77 (47 ± 17) years]. The main complaints were palpitation (n = 24, 38%), short breath (n = 23, 36%), fever (n = 13, 20%), chest tightness (n = 11, 17%), dizziness (n = 10, 16%), fatigue (n = 10, 16%), weight loss (n = 10, 16%), syncope (n = 9, 14%), edema (n = 8, 13%); and thrombus embolisms (n = 13, 20%), including stroke (n = 7, 11%) and periphery artery embolism (n = 6, 9%). The interval from symptoms onset to diagnosis (surgical removal) ranged from 1 day to 9 years (median: 3 months). Single myxoma was detected in 62 (97%) patients (58 in left atria, 2 in right atria and 2 in right ventricle) and multiple myxomas were found in 2 (3%) patients and one patient was diagnosed as Carney syndrome. The mean size of tumor assessed by echocardiography was (5.0 ± 1.8) cm×(2.9 ± 1.0) cm. All myxomas were surgically removed (54 patients received operation in our hospital and 10 patients were operated in other hospitals) and diagnosis was confirmed during operation and the mean myxoma size obtained from operation was (5.4 ± 1.6) cm×(3.6 ± 1.3) cm×(2.6 ± 1.2) cm (P > 0.05 vs. tumor size assessed by echocardiography). The locations of tumor stalks found by echocardiography were confirmed during surgery in most cases (97%). Incidence of NYHA class III diagnosis was more often in patients with right heart myxomas [3 cases (3/4)] than in patients with left atrium myxomas [17% (10/58), P < 0.05]. Clinical manifestations of cardiac myxomas were various and non-specific. Echocardiography remains the most valuable diagnosis tool for patients with cardiac myxomas.
    No preview · Article · Jul 2012 · Zhonghua xin xue guan bing za zhi [Chinese journal of cardiovascular diseases]
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    ABSTRACT: To analyze the clinical characteristics of infective endocarditis in patients with hypertrophic obstructive cardiomyopathy. Clinical characteristics from 5 patients with infective endocarditis and hypertrophic obstructive cardiomyopathy hospitalized from January 2000 to December 2010 in our hospital were analyzed. Four patients were diagnosed with left ventricular outflow tract obstructive cardiomyopathy with outflow pressure gradient from 36 to 140 mm Hg (1 mm Hg = 0.133 kPa) and left atrial size 44 - 68 mm. Another patient was diagnosed as ventricular hypertrophic cardiomyopathy with significant right-ventricular outflow tract hypertrophy (30 mm), high pressure gradient (164 mm Hg) and enlarged right atrial (56 mm × 53 mm), there was a 17 mm × 8 mm vegetation on right-ventricular outflow tract in this patient. Blood cultures were positive for streptococcus viridans in all five patients, and enterococcus faecium was revealed in one aortic valve vegetation culture. Transthoracic echocardiogram was performed 2 - 4 times for each patient, the vegetations of two patients was detected only by transesophageal echocardiography. The mitral valve vegetation was detected in two patients, the aortic and mitral valve vegetations were detected in one patients, mitral and tricuspid vegetations in one patient and right ventricular outflow tract vegetation in one patient. The four hemodynamically stable patients were successfully treated with antibiotic therapy, one patient received urgent surgery (replacement of the aortic and mitral valve as well as septal myectomy). All patients recovered and follow-up (1 - 6 years) was available in 4 patients and no complication was observed. The risk of infective endocarditis complicating hypertrophic obstructive cardiomyopathy is the highest in patients with both outflow obstruction and marked valve insufficiency, these patients should receive prophylactic antibiotic therapy during procedures that predispose to infective endocarditis.
    No preview · Article · Mar 2012 · Zhonghua xin xue guan bing za zhi [Chinese journal of cardiovascular diseases]
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    ABSTRACT: To observe the clinical features and cardiac magnetic resonance imaging (CMR) characteristics of patients with endomyocardial biopsy (EMB)-proven cardiac amyloidosis (CA). EMB proven CA patients underwent CMR examination from September 2006 to December 2010 were included. The findings of clinical manifestation, electrocardiogram, echocardiography and CMR were analyzed. Among the 18 patients with EMB verified CA, 5 patients underwent CMR. All 5 patients had heart failure symptoms and electrocardiogram was abnormal. Echocardiogram showed concentric left ventricular hypertrophy, granular appearance of the myocardium, left atrial enlargement and moderate to severe left ventricular diastolic dysfunction. CMR revealed increased thickness of the left ventricular wall (especially at the inter-ventricular septum), enlarged bilateral auricle, restricted left ventricular filling with normal or mild to moderate reduced systolic function. Pleural and pericardial effusions were observed in 2 patients. Abnormal late gadolinium enhancement (LGE) was detected in all 5 patients. CMR revealed different patterns of LGE. Left ventricular global subendocardial delayed gadolinium enhancement or transmural delayed gadolinium enhancement were found, and patients also showed line-, granular- or patchy-like enhancement. The degree and range of LGE paralleled the disease course and were consistent with electrocardiogram changes. As a noninvasive diagnostic tool, CMR is valuable in the diagnosis of CA. For patients with clinical suspicion of CA, CMR could be a helpful diagnostic tool, especially in the hospitals where EMB is not available.
    No preview · Article · Oct 2011 · Zhonghua xin xue guan bing za zhi [Chinese journal of cardiovascular diseases]
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    ABSTRACT: Hemodynamic evaluation is crucial for the management of patients with pulmonary hypertention. Clinicians often prefer a rapid and non-invasive method. This study aimed to examine the feasibility of transthoracic echocardiography for the measurements of hemodynamic parameters in patients with pulmonary hypertension. A prospective single-center study was conducted among 42 patients with pulmonary hypertension caused by different diseases. Transthoracic echocardiography and right-heart catheterization were performed within 24 hours. Pulmonary artery systolic, diastolic and mean pressure (PASP, PADP and PAMP), cardiac output (CO), and pulmonary capillary wedge pressure (PCWP) were measured by both methods. A linear correlation and a Bland-Altman analysis were performed to compare the two groups of hemodynamic parameters. A good correlation was found between invasive and non-invasive measurements for PASP (r = 0.96), PADP (r = 0.85), PAMP (r = 0.88), CO (r = 0.82), and PCWP (r = 0.81). Further agreement analysis done by the Bland-Altman method showed that bias and a 95% confidence interval for PASP, PADP, and CO were clinically acceptable while great discrepancies existed for PAMP and PCWP. The non-invasive measurements by PASP, PADP, and CO in patients with pulmonary hypertension correlate well with the invasive determinations. Transthoracic echocardiography (TTE) was inappropriate for estimating PCWP and PAMP.
    Preview · Article · Jun 2011 · Chinese medical journal
  • Ling Li · Li-Gang Fang · Chao-Ji Zhang · Quan Fang
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    ABSTRACT: A male was admitted to our hospital for transient unconsciousness with pain and cool of left thoracic limb. He has rheumatic heart disease and atrial fibrillation. Echocardiography revealed severe mitral stenosis, and a mobile and lobulated mass in chordae tendineae of posterior mitral valve. Cardiac surgery procedure was performed for the patient. During operation some thrombi were found in left auricle, and a large thrombus was in chordae tendineae of mitral valve. We presume that thrombi in the left auricle might fall out and become incarcerated in chordae tendineae of mitral valve by chance. To our knowledge such a case has not been reported.
    No preview · Article · Mar 2011 · Echocardiography
  • Rui-yi Xu · Li-lin Guo · Xue Lin · Li-gang Fang · Quan Fang · Xiao-wei Yan
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    ABSTRACT: To evaluate the cardiovascular involvements in Chinese patients with hypereosinophilic syndrome. We respectively reviewed 149 inpatients with hypereosinophilic syndrome admitted to Peking Union Medical College Hospital and analyzed the cardiovascular involvements in these patients. Cardiac abnormalities was evidenced in 32.9% patients (49/149). The ratio of male vs female was 34:15. The average age of the patients was (41.3 ± 16.9) years and course of disease was (26.4 ± 72.3) months. Cardiovascular involvements included ST segment and/or T wave (ST-T) ischemic changes, arrhythmia, myocardial injury, cardiac thrombosis, pericardial effusion, pulmonary hypertension, valve disorder, vein or artery thrombosis. After glucocorticoid and/or chemotherapeutic agents and treatment for symptoms, 11 (22.4%) patients achieved remission but have recurrent attacks and 3 (6.1%) patients died from failure in treatment. The prognosis in patients with echocardiogram abnormalities were poorer than those only with electrocardiogram abnormalities (P < 0.05). Cardiovascular involvements are common in patients with hypereosinophilic syndrome and the manifestation of these involvement is various. Cardiovascular complications of HES are a major source of morbidity and mortality in these disorders.
    No preview · Article · Oct 2010 · Zhonghua xin xue guan bing za zhi [Chinese journal of cardiovascular diseases]
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    ABSTRACT: restrictive cardiomyopathy (RCM) is characterized by impairment of ventricular filling during diastole with preserved systolic function. The clinical and histopathological profile on endomyocardial biopsy of 25 consecutive patients with RCM was analyzed in this study. twenty-five patients with diagnosis of RCM and underwent endomyocardial biopsy (EMB) were enrolled in the study. The clinical characteristics, electrocardiogram, serum chemistry, right heart catheter and cardiac pathology results were obtained. heart failure symptom was present in all 25 patients and left ventricular size and function were normal or near normal while serum brain natriuretic peptide (577 pg/ml) was moderately elevated. Right atrial and ventricular end-diastolic as well as pulmonary capillary wedge pressures derived from right heart catheter examination were increased. Amyloid deposition were evidenced in 16 and eosinophilic myocarditis in 2 patients upon pathological examination of EMB. In the remaining 7 patients, 3 were diagnosed idiopathic RCM, 2 were diagnosed as amyloidosis by biopsy from non-cardiac tissue and etiology remained unknown in 2 patients. Thus, conclusive diagnosis was made on EMB samples in 84% (21/25) patients of RCM. RCM may result from various local and systemic disorders. EMB is helpful for identifying the underlying etiology.
    No preview · Article · Sep 2010 · Zhonghua xin xue guan bing za zhi [Chinese journal of cardiovascular diseases]
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    ABSTRACT: To summarize the electrocardiography and echocardiography features of patients with cardiac amyloidosis (CA) diagnosed by endo-myocardial biopsy (EMB). A total of 20 consecutive patients [7 men, mean age (50 ± 12) years] referred for EMB because of clinical suspicion of CA from September 2006 to October 2009 were included in the study. Primary CA was diagnosed in 11 out of 20 patients (55%) by EMB and biomarkers examination. The electrocardiography and echocardiography features were analyzed. The voltage of all the limb leads were low in the 11 CA patients [mean values of (0.33 - 0.51) mV], the incidence of low voltage and pseudo-infarction patterns were 45% and 45%, respectively. Concentric hypertrophy and normal left ventricular diameters were evidenced in all CA patients on echocardiography, left atrial enlargement (n = 10, 91%), granular/sparking appearance of the myocardium (n = 9, 82%) and moderate to large pericardial effusion (n = 7, 64%) as well as left ventricular systolic dysfunction (n = 8, 73%) were often presented in CA patients. The diagnosis of primary CA should be considered in patients with unknown origin of heart failure, concentric hypertrophy and normal left ventricular diameters with granular/sparking appearance of the myocardium or pericardial effusion presented on echocardiography and low voltage of limb leads or pseudo-infarction pattern presented on electrocardiography. EMB and serum (urine) biomarkers examinations should be then performed to confirm or exclude the diagnosis of CA.
    No preview · Article · Jul 2010 · Zhonghua xin xue guan bing za zhi [Chinese journal of cardiovascular diseases]
  • Li-hua Zhang · Li-gang Fang · Zhong-wei Cheng · Quan Fang
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    ABSTRACT: To analyze the cardiac manifestations of mitochondriopathy patients. We retrospectively analyzed the clinical (Electrocardiogram, Holter monitoring, echocardiogram and laboratory examinations) and pathological data of 90 mitochondriopathy patients diagnosed within recent 20 years. The cardiac involvement data from these patients were summarized. Hypertrophic cardiomyopathy was found in 2 patients and dilated cardiomyopathy in 3 patients Mitochondriopathy diagnosis was made in 1 patient two years after heart transplantation due to heart failure resulting from previously diagnosed hypertrophic cardiomyopathy with noncompaction. The prevalence of cardiomyopathy is 5.6% (5/90). The prevalence of various arrhythmias was 22.2% (20/90). Four patients received permanent pacemaker because of Adams-Stokes attack or bradyarrhythmias (mitochondriopathy diagnosis was made 1-3 years post pacemaker implantation in 3 cases). History of syncope, respiratory failure, RBBB, atrial fibrillation and episodic ventricular tachyarrhythmias were presented in 1 patient with mitochondriopathy, another mitochondriopathy patient developed atrial tachyarrhythmias. Arrhythmia were present in 14 mitochondriopathy patients including RBBB, bifascicular block, intraventricular block, Wolff-Parkinson-White syndrome and short PR interval syndrome. The mtDNA 3243A-G mutation was detected in 8 patients. Incidence of cardiomyopathy, heart failure and severe arrhythmias is high in patients with mitochondriopathy. Therefore, young cardiomyopathy patients with severe conduction block disorders should undergo relevant etiologic and genetic screening for mitochondriopathy and patients with diagnosed mitochondriopathy should regularly receive electrocardiogram and echocardiography examinations for possible cardiac involvement.
    No preview · Article · Oct 2009 · Zhonghua xin xue guan bing za zhi [Chinese journal of cardiovascular diseases]
  • Li-Gang Fang · Juan Li · Wei Chen · Wen-Ling Zhu · Quan Fang
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    ABSTRACT: To evaluate the value of low-dose adenosine echocardiography (LDAE) for detection of myocardial viability in patients with acute myocardial infarction (MI). Thirty-six patients underwent LDAE within 3 - 10 days after onset of first acute MI before (n = 4) or after (n = 32) percutaneous coronary intervention. A 17-segment semi-quantitative scoring model was adopted. Wall motion improvement derived from two dimensional images at follow-up (2 - 3 months after acute MI) comparing baseline before adenosine infusion was used as gold criteria for myocardial viability. Low-dose adenosine slightly increased heart rates [(70.7 +/- 10.8) beats/min vs. (78.1 +/- 10.9) beats /min, P < 0.01] and also significantly reduced left ventricular endsystolic volume [(30.4 +/- 1.9) ml vs. (20.1 +/- 9.3) ml, P < 0.01] and increased ejection fraction (62.6% +/- 10.4% vs. 74.7% +/- 9.8%, P < 0.01). The sensitivity, specificity, diagnostic accuracy, positive and negative prective values of LDAE for identification of viable myocardium were 90.3%, 80.8%, 86.0%, 84.8% and 87.5%, respectively. Incidence of mild adverse reaction during LDAE was 38.9% (14/36). LDAE at dose of 100 microgxkg(-1)xmin(-1) was ideal in terms of balanced sensitivity and specificity for detecting viable myocardium without increasing the adverse effects compared to lower doses. LDAE (100 microgxkg(-1)xmin(-1)) has excellent sensitivity and specificity for detecting viable myocardium in acute MI with only minimal adverse effects.
    No preview · Article · Mar 2009 · Zhonghua xin xue guan bing za zhi [Chinese journal of cardiovascular diseases]
  • Yong-tai Liu · Zhuang Tian · Li-gang Fang · Xiao-feng Zeng
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    ABSTRACT: To analyze the clinical characteristics of Behcet's disease with cardiac involvement. Patients diagnosed as Behcet's disease with cardiac involvement in Peking Union Medical College Hospital from 1990 to 2006 were included in this analysis. The clinical characteristics of these patients were studied retrospectively. Forty-two patients were included. Cardiac involvement included valvular disease, angina, pericardial effusion, arrhythmia, intracardiac thrombus and pulmonary artery hypertension. The effect of valve replacement or intervention treatment was related to the activity of Behcet's disease. The involvement of pulmonary artery was an independent correlative factor of mortality (P = 0.03). The manifestation of cardiac involvement in Behcet's disease is various. If needed, valve replacement operation and intervention treatment should be performed when the Behcet's disease is stable. The involvement of pulmonary artery is an independent correlative factor of mortality.
    No preview · Article · Aug 2007 · Zhonghua nei ke za zhi [Chinese journal of internal medicine]
  • Li-Gang Fang · Li-Bo Chen · Fang Li · Wen-Ling Zhu · Quan Fang
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    ABSTRACT: To compare the value of low-dose dobutamine echocardiography (LDDE) and dual-isotope emission simultaneous myocardial perfusion acquisition (technetium-99-m-tetrofosmin/fluorine 18-fluorodeoxy-glucose) single-photon emission computed tomography (DISA-SPECT) for myocardial viability assessment in patients with acute myocardial infarction (MI). LDDE and DISA-SPECT were performed in 44 patients within 5-10 days after onset of first acute MI and percutaneous coronary intervention was made thereafter. A 16-segment semi-quantitative scoring model was adopted for both techniques. Wall motion improvement at follow-up (3 months after acute MI) compared with baseline before dobutamine infusion derived from two dimensional images was used as golden criteria for myocardial viability. The sensitivity, specificity, diagnostic accuracy, positive and predictive values for identification of viable myocardium were 77%, 82%, 79%, 82% and 77%, respectively by LDDE and 85%, 62%, 74%, 71% and 79%, respectively by DISA. No difference was found between LDDE and DISA for identifying viable myocardium in hypokinetic segments (74.1% vs. 77.6%, P > 0.05) but less viable myocardium was detected by LDDE than DISA in akinetic segments (29% vs. 53%, P < 0.01). Sensitivity was higher while specificity was lower on detecting viable myocardium by DISA compared to LDDE. Combined use of the two techniques could improve viable myocardium detection in patients with acute MI.
    No preview · Article · May 2007 · Zhonghua xin xue guan bing za zhi [Chinese journal of cardiovascular diseases]