S. Y. Ho

Publication List Details

Period

1984 - 2008

Number

116

Co-Authors

BMI Compared With Central Obesity Indicators in Relation to Diabetes and Hypertension in Asians (2008)

Nyamdorj, R, Qiao, Q, Lam, T H, Tuomilehto, J, Ho, S Y, Pitkaniemi, J, ...

Objective: To compare BMI with waist circumference (WC), waist-to-hip ratio (WHR), and waist-to-stature ratio (WSR) in association with diabetes or hypertension. Methods and Procedures:...

An equations-of-motion approach to quantum mechanics: application to a model phase transition (2006)

Ho, S. Y., Rosensteel, G., Rowe, D. J.

We present a generalized equations-of-motion method that efficiently calculates energy spectra and matrix elements for algebraic models. The method is applied to a 5-dimensional quartic oscillator...

Coupled thermal, structural and vibrational analysis of a hypersonic engine for flight test (2006)

Ho, S. Y., Paull, A.

This paper describes a relatively simple and quick method for implementing aerodynamic heating models into a finite element code for non-linear transient thermal-structural and...

Coupled thermal, structural and vibrational analysis of a hypersonic engine for flight test (2006)

Ho, S. Y., Paull, A.

This paper describes a relatively simple and quick method for implementing aerodynamic heating models into a finite element code for non-linear transient thermal-structural and...

New aspects of the ventricular septum and its function: an echocardiographic study (2005)

Herbots, L, McLaughlin, M, ...

OBJECTIVES: To examine whether the line dividing the septum into two layers is found consistently by conventional echocardiography and to evaluate functional differences in the right and left side of...

Mortality associated with passive smoking in Hong Kong (2005)

McGhee, S M, Ho, S Y, Schooling, M, Ho, L M, Thomas, G N, Hedley, A J, ...

Passive smoking can cause death from lung cancer and coronary heart disease, but there is little evidence for associations with other causes of death in never smokers. A recent study showed increased...

The histologic basis of late gadolinium enhancement cardiovascular magnetic resonance in hypertrophic cardiomyopathy1 (2004)

Moon, J.C.C., Reed, E., Sheppard, M.N., Elkington, A.G., Ho, S.Y., Burke, M., ...

Abstract: Objectives: We sought to identify the histologic basis of myocardial late gadolinium enhancement cardiovascular magnetic resonance (CMR) in hypertrophic cardiomyopathy (HCM). Background:...

Ultrasonic characterization of the pulmonary venous wall: echographic and histological correlation (2002)

Cabrera, J.A., Sánchez-Quintana, D., Farré, J., Navarro, F., Rubio, J.M., Cabestrero, F., ...

Background: Pulmonary vein isolation with radiofrequency catheter ablation techniques is used to prevent recurrences of human atrial fibrillation. Visualization of the architecture at the venoatrial...

Anatomic-electrophysiological correlations concerning the pathways for atrioventricular conduction (2001)

Mazgalev, T.N., Ho, S.Y., Anderson, R.H.

The remarkable success of radiofrequency ablation in recent decades in curing atrioventricular nodal reentrant tachycardias has intensified efforts to provide a solid theoretical basis for...

Sudden death in a child with an unusual accessory connection (2000)

Heaven, D. J., Till, J. A., Ho, S. Y.

An 8-year-old boy with Wolff-Parkinson-White syndrome died suddenly whilst exercising. He had been well with no immediate preceding symptoms of an arrhythmia, and was receiving no drugs. As an infant...

Fracture behaviour of accelerated aged solid rocket propellants (1999)

Ide, K.M., Ho, S.Y., Williams, D.R.G.

The effect of temperature, strain-rate and ageing on the crack growth mechanism in a composite propellant has been examined to obtain an understanding of the fracture process under service life...

Fracture behaviour of accelerated aged solid rocket propellants (1999)

Ide, K.M., Ho, S.Y., Williams, D.R.G.

The effect of temperature, strain-rate and ageing on the crack growth mechanism in a composite propellant has been examined to obtain an understanding of the fracture process under service life...

Fracture behaviour of accelerated aged solid rocket propellants (1999)

Ide, K.M., Ho, S.Y., Williams, D.R.G.

The effect of temperature, strain-rate and ageing on the crack growth mechanism in a composite propellant has been examined to obtain an understanding of the fracture process under service life...

Echocardiographic and morphological correlations in tetralogy of Fallot (1999)

Gatzoulis, M.A., Soukias, N., Ho, S.Y., Josen, M., Anderson, R.H.

Aims Our aim was to clarify the location and structure of the outlet septum relative to the free-standing sub-pulmonary infundibulum in the setting of tetralogy of Fallot and to examine its...

Fracture behaviour of accelerated aged solid rocket propellants (1999)

Ide, K.M., Ho, S.Y., Williams, D.R.G.

The effect of temperature, strain-rate and ageing on the crack growth mechanism in a composite propellant has been examined to obtain an understanding of the fracture process under service life...

Correlation of Small Scale Laboratory Tests with Bullet Impact Testing of Rocket Motors. (1998)

Weimann, R. M., Ho, S. Y., Winch, P. C.

Testing of munitions for their response to the various stimuli under consideration in the insensitive munitions program is expensive and time consuming. Because there is a degree of variability in...

Viscoelastic response of solid rocket motor components for service life assessment (1997)

Ho, S.Y.

A methodology for determining the response of rocket motor materials and bondlines to thermal loadings by measuring their dynamic mechanical properties is reported. The critical temperatures at which...

Viscoelastic response of solid rocket motor components for service life assessment (1997)

Ho, S.Y.

A methodology for determining the response of rocket motor materials and bondlines to thermal loadings by measuring their dynamic mechanical properties is reported. The critical temperatures at which...

Viscoelastic response of solid rocket motor components for service life assessment (1997)

Ho, S.Y.

A methodology for determining the response of rocket motor materials and bondlines to thermal loadings by measuring their dynamic mechanical properties is reported. The critical temperatures at which...

Viscoelastic response of solid rocket motor components for service life assessment (1997)

Ho, S.Y.

A methodology for determining the response of rocket motor materials and bondlines to thermal loadings by measuring their dynamic mechanical properties is reported. The critical temperatures at which...

High strain-rate impact studies of predamaged rocket propellants. I. Characterization of damage using a cumulative damage failure criterion (1996)

Ho, S.Y.

The effect of predamage on the high strain-rate behavior, ignition sensitivity, and impact ignition mechanism of a HTPB/AP rocket propellant was assessed using a modified Hopkinson Bar. Damage was...

High strain-rate impact studies of predamaged rocket propellants. I. Characterization of damage using a cumulative damage failure criterion (1996)

Ho, S.Y.

The effect of predamage on the high strain-rate behavior, ignition sensitivity, and impact ignition mechanism of a HTPB/AP rocket propellant was assessed using a modified Hopkinson Bar. Damage was...

High strain-rate impact studies of predamaged rocket propellants. I. Characterization of damage using a cumulative damage failure criterion (1996)

Ho, S.Y.

The effect of predamage on the high strain-rate behavior, ignition sensitivity, and impact ignition mechanism of a HTPB/AP rocket propellant was assessed using a modified Hopkinson Bar. Damage was...

High strain-rate impact studies of predamaged rocket propellants. I. Characterization of damage using a cumulative damage failure criterion (1996)

Ho, S.Y.

The effect of predamage on the high strain-rate behavior, ignition sensitivity, and impact ignition mechanism of a HTPB/AP rocket propellant was assessed using a modified Hopkinson Bar. Damage was...

Extreme underdevelopment of the left heart: The ultimate hypoplastic left heart syndrome (1992)

HO, S. Y., SUNNEGÅRDH, J., GERLIS, L., MICHAËLSSON, M.

We report a case of extreme underdevelopment of the left heart with a 12-day survival. At postmortem, neither a left atrium nor connecting pulmonary veins were identified. The left ventricle was only...

Impact ignition sensitiveness of RDX with ethylene-vinyl acetate (EVA) copolymers (1991)

Dagley, I.J., Ho, S.Y.

The effects of vinyl acetate content and molecular weight of ethylenevinyl acetate (EVA) copolymers on the impact ignition sensitiveness of RDX/EVA (95:5) physical mixtures, explosive moulding...

Impact ignition sensitiveness of RDX with ethylene-vinyl acetate (EVA) copolymers (1991)

Dagley, I.J., Ho, S.Y.

The effects of vinyl acetate content and molecular weight of ethylenevinyl acetate (EVA) copolymers on the impact ignition sensitiveness of RDX/EVA (95:5) physical mixtures, explosive moulding...

Impact ignition sensitiveness of RDX with ethylene-vinyl acetate (EVA) copolymers (1991)

Dagley, I.J., Ho, S.Y.

The effects of vinyl acetate content and molecular weight of ethylenevinyl acetate (EVA) copolymers on the impact ignition sensitiveness of RDX/EVA (95:5) physical mixtures, explosive moulding...

Impact ignition sensitiveness of RDX with ethylene-vinyl acetate (EVA) copolymers (1991)

Dagley, I.J., Ho, S.Y.

The effects of vinyl acetate content and molecular weight of ethylenevinyl acetate (EVA) copolymers on the impact ignition sensitiveness of RDX/EVA (95:5) physical mixtures, explosive moulding...

Correlation of small scale laboratory tests with bullet impact testing of rocket motors. (1989)

Weimann, R.M., Ho, S.Y., Winch, P.C.

Bullet impact testing of rocket motors was performed to determine the relevance of the results from the Hopkinson Bar and the Shotgun tests (developed in an earlier study) to the response of rocket...

Correlation of small scale laboratory tests with bullet impact testing of rocket motors. (1989)

Weimann, R.M., Ho, S.Y., Winch, P.C.

Bullet impact testing of rocket motors was performed to determine the relevance of the results from the Hopkinson Bar and the Shotgun tests (developed in an earlier study) to the response of rocket...

Correlation of small scale laboratory tests with bullet impact testing of rocket motors. (1989)

Weimann, R.M., Ho, S.Y., Winch, P.C.

Bullet impact testing of rocket motors was performed to determine the relevance of the results from the Hopkinson Bar and the Shotgun tests (developed in an earlier study) to the response of rocket...

Correlation of small scale laboratory tests with bullet impact testing of rocket motors. (1989)

Weimann, R.M., Ho, S.Y., Winch, P.C.

Bullet impact testing of rocket motors was performed to determine the relevance of the results from the Hopkinson Bar and the Shotgun tests (developed in an earlier study) to the response of rocket...

Anatomical closure of the ductus arteriosus: a study in 35 specimens.

Ho, S Y, Anderson, R H

The process of anatomical ductal obliteration appears to be gradual and to involve proliferation of intima and media (mainly the latter) producing mounds, mucoid-filled spaces and fragmentation of...

Anatomical closure of the ductus arteriosus: a study in 35 specimens.

Ho, S Y, Anderson, R H

The process of anatomical ductal obliteration appears to be gradual and to involve proliferation of intima and media (mainly the latter) producing mounds, mucoid-filled spaces and fragmentation of...

Absent left atrioventricular connection with right atrium connected to morphologically left ventricular chamber, rudimentary right ventricular chamber, and ventriculoarterial discordance. Problem of mitral versus tricuspid atresia.

Restivo, A, Ho, S Y, Anderson, R H, Cameron, H, Wilkinson, J L

Four cases of absent left atrioventricular connection are reported. The observations from these cases have been used to emphasise problems concerning the use of the confusing terms "tricuspid" and...

Anatomical basis of cross sectional echocardiography.

Silverman, N H, Hunter, S, Anderson, R H, Ho, S Y, Sutherland, G R, Davies, M J

Ten hearts were cut in planes to simulate echocardiographic cuts which may be taken to visualise the anatomy of the cardiac chambers and great arteries. The various myocardial wall segments were...

Endocardial fibroelastosis and hypoplasia of the left ventricle in neonates without significant aortic stenosis.

Ursell, P C, Neill, C A, Anderson, R H, Ho, S Y, Becker, A E, Gerlis, L M

Endocardial fibroelastosis in neonates with hypoplasia of the left ventricle is usually associated with severe aortic stenosis or atresia. In this study three hearts were examined, in which severe...

Conduction system defects in three perinatal patients with arrhythmia.

Ho, S Y, Mortimer, G, Anderson, R H, Pomerance, A, Keeling, J W

The cardiac conduction systems of three patients who died in the perinatal period were studied histologically. Rhythm disturbances were observed in these patients immediately before death. The sinus...

Congenital heart malformations in the first year of life--a necropsy study.

Hegerty, A S, Anderson, R H, Ho, S Y

The hearts of 291 babies with congenital heart disease who died before the age of one were examined systematically by sequential segmental analysis to determine the lesions that were present. There...

Coarctation, tubular hypoplasia, and the ductus arteriosus. Histological study of 35 specimens.

Ho, S Y, Anderson, R H

A histological study has been made in an attempt to study further the relation between the ductus arteriosus, coarctation, and tubular hypoplasia of the aortic arch. Thirty-five aortic arch systems...

Analysis of atrioventricular junction, ventricular mass, and ventriculoarterial junction in 43 specimens with atrial isomerism.

De Tommasi, S, Daliento, L, Ho, S Y, Macartney, F J, Anderson, R H

We have analysed the atrioventricular junction, ventricular mass, and ventriculoarterial junction in 43 hearts with isomeric atrial chambers. Of the hearts, 32 had atrial chambers of bilateral right...

Left ventricular fibre architecture in man.

Greenbaum, R A, Ho, S Y, Gibson, D G, Becker, A E, Anderson, R H

In order to investigate the possibility of regional variation of ventricular structure, 25 normal postmortem human hearts were studied by inspection of cavity shape and subepicardial fibre...

Conduction tissue changes associated with enlarged membranous septum--a cause of sudden death?

Smeeton, W M, Anderson, K R, Ho, S Y, Davies, M J, Anderson, R H

We have studied four hearts in which enlargement of the ventricular membranous septum was associated with histological abnormalities of the atrioventricular conduction tissues. Two of the cases...

Increasing cyanosis early after cavopulmonary connection caused by abnormal systemic venous channels.

Gatzoulis, M. A., Shinebourne, E. A., Redington, A. N., Rigby, M. L., Ho, S. Y., Shore, D. F.

OBJECTIVE--To show that abnormal systemic venous channels in patients who undergo cavopulmonary anastomoses can become manifest and haemodynamically important only after surgery despite detailed...

Architecture of atrial musculature in humans.

Wang, K., Ho, S. Y., Gibson, D. G., Anderson, R. H.

OBJECTIVE--To investigate the gross arrangement of the principal muscular bundles of the two atria, and to suggest how it may contribute to contraction and spread of atrial excitation. DESIGN--A...

Comparison of three dimensional echocardiographic findings with anatomical specimens of various congenitally malformed hearts.

Vogel, M., Ho, S. Y., Anderson, R. H.

OBJECTIVE--To compare the reconstructions obtained by three dimensional echocardiography with the anatomical specimens used to generate the echocardiograms. DESIGN--The heart specimens were immersed...

Morphology of the sinus node in human and mouse hearts with isomerism of the atrial appendages.

Ho, S. Y., Seo, J. W., Brown, N. A., Cook, A. C., Fagg, N. L., Anderson, R. H.

BACKGROUND--The location of the sinus node is known to be at best abnormal, or at worst unknown, in patients with isomerism of the morphologically left atrial appendage. In contrast, the sinus node...

Value and impact of necropsy in paediatric cardiology.

Gatzoulis, M. A., Sheppard, M. N., Ho, S. Y.

OBJECTIVE: To assess the current value of necropsy in paediatric cardiology and cardiothoracic surgery and determine its potential impact on clinical practice. DESIGN AND SETTING: Descriptive study...

Ventricular myoarchitecture in tetralogy of Fallot.

Sanchez-Quintana, D., Anderson, R. H., Ho, S. Y.

BACKGROUND: Little attention has been paid to the architecture of the muscle fibres of the ventricular walls in congenitally malformed hearts. In this study the gross pattern of myocardial fibres in...

Disposition of the sinus node in left-sided juxtaposition of the atrial appendages.

Ho, S Y, Monro, J L, Anderson, R H

In view of the complex cardiac anomalies frequently associated with left-sided juxtaposition of the atrial appendages the disposition of the sinus node has been studied in 6 of these hearts. While...

Location and vascular supply of sinus node in human heart.

Anderson, K R, Ho, S Y, Anderson, R H

The exact location of the sinus node was determined in 25 infant hearts using reconstructive techniques. The sinus node was found to lie on the lateral aspect of the superior cavo-atrial junction in...

Transoesophageal echocardiography in the longitudinal axis: correlation between anatomy and images and its clinical implications.

Stümper, O, Fraser, A G, Ho, S Y, Anderson, R H, Chow, L, Davies, M J, ...

Transoesophageal echocardiographic imaging in the longitudinal axis is a recent addition to the non-invasive evaluation of congenital and acquired heart disease. The technique provides unique images...

Morphological study of defects of the atrial septum within the oval fossa: implications for transcatheter closure of left-to-right shunt.

Ferreira, S M, Ho, S Y, Anderson, R H

OBJECTIVE--To determine the anatomical variability of the oval fossa in cases of atrial septal defect and to find out which factors might make such defects suitable or unsuitable for closure by...

Transcatheter stent implantation to treat aortic coarctation in infancy.

Redington, A N, Hayes, A M, Ho, S Y

A ten week old girl who had previously undergone a palliative procedure for the hypoplastic left heart syndrome had unrelieved aortic coarctation that did not respond to standard balloon dilatation....

Dysplastic conditions of the right ventricular myocardium: Uhl's anomaly vs arrhythmogenic right ventricular dysplasia.

Gerlis, L M, Schmidt-Ott, S C, Ho, S Y, Anderson, R H

OBJECTIVE--Since 1905 there have been many reports of cases in which the right ventricle was deficient in myocardium. Several terms have been used to describe this condition. Of these, "Uhl's...

Measurements of the dimensions of the aortic and pulmonary pathways in the human fetus: a correlative echocardiographic and morphometric study.

Angelini, A, Allan, L D, Anderson, R H, Crawford, D C, Chita, S K, Ho, S Y

Thirty normal hearts from fetuses aborted at 10-33 weeks' gestation were measured directly and the results were compared with echocardiographic measurements in 20 normal live fetuses of 23-27 weeks'...

Coronary venous aneurysms and accessory atrioventricular connections.

Ho, S Y, Russell, G, Rowland, E

Histological investigation of a heart with aneurysmal malformation of the anterior cardiac vein showed atypical accessory atrioventricular pathways that could have been the basis for bypass tracts...

Anomalous subaortic position of the brachiocephalic (innominate) vein: a review of published reports and report of three new cases.

Gerlis, L M, Ho, S Y

Anomalous courses of the left innominate vein have rarely been described in anatomical specimens. Investigative techniques such as angiography and echocardiography have brought to light more...

A histological study of the atrioventricular junction in hearts with normal and prolapsed leaflets of the mitral valve.

Angelini, A, Ho, S Y, Anderson, R H, Davies, M J, Becker, A E

The mitral annulus is the point at which the atrial and ventricular walls meet the base of the mitral valve cusps. The suggestion that a variant of this arrangement termed "disjunction" was...

Conjoined twins, right atrial isomerism, and sequential segmental analysis.

Rossi, M B, Burn, J, Ho, S Y, Thiene, G, Devine, W A, Anderson, R H

Three cases of twins conjoined across the chest were examined. In one set, one twin showed right atrial isomerism and the other showed the usual atrial arrangement. The other two sets showed the...

The terminal crest: morphological features relevant to electrophysiology

Sánchez-Quintana, D, Anderson, R H, Cabrera, J A, Climent, V, Martin, R, Farré, J, ...

Objective: To investigate the detailed anatomy of the terminal crest (crista terminalis) and its junctional regions with the pectinate muscles and intercaval area to provide the yardstick for...

Sinus node revisited in the era of electroanatomical mapping and catheter ablation

Sánchez-Quintana, D, Cabrera, J A, Farré, J, Climent, V, Anderson, R H, Ho, S Y

Objective: To study the architecture of the human sinus node to facilitate understanding of mapping and ablative procedures in its vicinity.

The surgical anatomy of the conduction tissues.

Anderson, R H, Ho, S Y, Becker, A E

On the basis of our collective experience we have reviewed the disposition of the cardiac conduction tissues as they might be observed by the surgeon in both normal and abnormal hearts. The sinus...

Aneurysm of the coronary sinus.

Ho, S Y, Gupta, I, Anderson, R H, Lendon, M, Kerr, I

Two patients, an adult and a baby, with an aneurysm of the coronary sinus are described. This unusual anomaly was detected in the baby during angiographic investigations for congenital heart disease....

Cervical aortic arch with aortic obstruction: report of two cases.

Tiraboschi, R, Crupi, G, Locatelli, G, Ho, S Y, Parenzan, L

The occurrence of aortic obstruction in patients with cervical arch is very rare. The clinical and angiocardiographic findings of two patients with this combination of defects are presented. One of...

Atrioventricular conduction system in univentricular heart of right ventricular type with right-sided rudimentary chamber.

Essed, C E, Ho, S Y, Hunter, S, Anderson, R H

The conduction tissue in a univentricular heart of the right ventricular type with a right-sided rudimentary chamber was studied. Both an anterior and conventional node were found, the anterior node...

Hypoplastic left heart syndrome: can this malformation be treated surgically?

Milo, S, Ho, S Y, Anderson, R H

A corrective technique for the surgical treatment of hypoplastic left heart syndrome is proposed. This technique is compatible with subsequent growth because it uses the patient's own tissues...

Endocardectomy for the surgical treatment of endocardial fibrosis of the left ventricle.

Russo, P A, Wright, J E, Ho, S Y, Maneksa, J R, Clitsakis, D

Two patients with endomyocardial fibrosis of the left ventricle were treated by endocardectomy plus mitral valve replacement. In both cases the results of surgery were satisfactory. No consequences...

New aspects of the ventricular septum and its function: an echocardiographic study

Boettler, P, Claus, P, Herbots, L, McLaughlin, M, D’hooge, J, Bijnens, B, ...

Objectives: To examine whether the line dividing the septum into two layers is found consistently by conventional echocardiography and to evaluate functional differences in the right and left side of...