Research Topics
| Hisham DokainishSummaryCountry: Canada Publications
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Publications
New, simple echocardiographic indexes for the estimation of filling pressure in patients with cardiac disease and preserved left ventricular ejection fractionHisham Dokainish
Department of Medicine, Section of Cardiology, Baylor College of Medicine, Houston, TX, USA
Echocardiography 27:946-53. 2010....
Do additional echocardiographic variables increase the accuracy of E/e' for predicting left ventricular filling pressure in normal ejection fraction? An echocardiographic and invasive hemodynamic studyHisham Dokainish
Department of Medicine, Section of Cardiology, Baylor College of Medicine, Houston, Texas, USA
J Am Soc Echocardiogr 23:156-61. 2010....
Assessment of left ventricular systolic function using echocardiography in patients with preserved ejection fraction and elevated diastolic pressuresHisham Dokainish
Department of Medicine, Section of Cardiology, Baylor College of Medicine, Houston, Texas, USA
Am J Cardiol 101:1766-71. 2008..These differences are likely because invasively measured dP/dt and these echocardiographic variables measure different systolic properties in patients with preserved LV ejection fraction...
Systolic and diastolic myocardial mechanics in patients with cardiac disease and preserved ejection fraction: impact of left ventricular filling pressureJohn S Nguyen
Department of Medicine, Baylor College of Medicine, Dallas, Texas, USA
J Am Soc Echocardiogr 23:1273-80. 2010..There are few data on the impact of left ventricular (LV) filling pressure on systolic and diastolic myocardial mechanics in patients with cardiac disease and preserved LV ejection fraction (LVEF) (? 50%)...
Usefulness of new diastolic strain and strain rate indexes for the estimation of left ventricular filling pressureHisham Dokainish
Department of Medicine, Section of Cardiology, Baylor College of Medicine, Houston, Texas, USA
Am J Cardiol 101:1504-9. 2008..In patients with LV ejection fraction > or =50% or indeterminate E/Ea, both E/Ds and E/10DSr (a ratio based on global DSR) were better predictors of LV filling pressure than E/Ea...
Correlation of tissue Doppler and two-dimensional speckle myocardial velocities and comparison of derived ratios with invasively measured left ventricular filling pressuresHisham Dokainish
Department of Medicine, Section of Cardiology, Baylor College of Medicine, Houston, Texas 77030, USA
J Am Soc Echocardiogr 22:284-9. 2009....
Usefulness of right ventricular tissue Doppler imaging to predict outcome in left ventricular heart failure independent of left ventricular diastolic functionHisham Dokainish
Section of Cardiology, Department of Medicine, Baylor College of Medicine, Houston, Texas, USA
Am J Cardiol 99:961-5. 2007....
Comparative cost-effectiveness of B-type natriuretic peptide and echocardiography for predicting outcome in patients with congestive heart failureHisham Dokainish
Department of Medicine, Section of Cardiology, Baylor College of Medicine, Houston, Texas, USA
Am J Cardiol 97:400-3. 2006..001 for CER comparison). In patients admitted to hospitals with CHF, predischarge BNP is more cost-effective than comprehensive Doppler echocardiographic examination for the prediction of future cardiac death or rehospitalization for CHF...
Combining tissue Doppler echocardiography and B-type natriuretic peptide in the evaluation of left ventricular filling pressures: review of the literature and clinical recommendationsHisham Dokainish
Baylor College of Medicine, Houston, TX 77030, USA
Can J Cardiol 23:983-9. 2007..Taking into account the respective strengths and limitations of BNP and mitral E/Ea, algorithms combining them can be used to more accurately estimate LV filling pressures in patients presenting with dyspnea...
Usefulness of B-type natriuretic peptide levels to predict left ventricular filling pressures in patients with body mass index >35, 31 to 35, and < or =30 kg/m2Hisham Dokainish
Department of Medicine, Section of Cardiology, Baylor College of Medicine, Houston, Texas, USA
Am J Cardiol 100:1166-71. 2007..However, mitral E/Ea significantly correlated with LV filling pressures in all BMI groups. In conclusion, BNP is not recommended for LV filling pressure estimation in ambulatory patients with dyspnea with BMI >35 kg/m2...
A randomized cross-over study for evaluation of the effect of image optimization with contrast on the diagnostic accuracy of dobutamine echocardiography in coronary artery disease The OPTIMIZE TrialJuan Carlos Plana
Methodist DeBakey Heart Center, Department of Cardiology and Baylor College of Medicine, Houston, Texas, USA
JACC Cardiovasc Imaging 1:145-52. 2008....
Comparison of higher clopidogrel loading and maintenance dose to standard dose on platelet function and outcomes after percutaneous coronary intervention using drug-eluting stentsMohammed Abuzahra
Department of Medicine, Baylor College of Medicine, Houston, Texas, USA
Am J Cardiol 102:401-3. 2008..In conclusion, a higher loading and maintenance dose of clopidogrel in patients undergoing PCI results in superior platelet inhibition and decreased cardiovascular events without increasing bleeding complications...
Hypertrophic obstructive cardiomyopathy-alcohol septal ablation vs. myectomy: a meta-analysisMahboob Alam
Section of Cardiology, Baylor College of Medicine, Houston, TX, USA
Eur Heart J 30:1080-7. 2009..Alcohol septal ablation is a less invasive alternative to MM for relief of symptoms in patients with drug refractory HOCM...
Segmental analysis of carotid arterial strain using speckle-trackingEric Y Yang
Department of Medicine, Baylor College of Medicine, Houston, Texas 77030, USA
J Am Soc Echocardiogr 24:1276-1284.e5. 2011..The aims of this study were to evaluate whether speckle-tracking could be used to measure carotid arterial strain (CAS) reproducibly in healthy volunteers and to determine if CAS was lesser in individuals with diabetes...
Comprehensive contrast and 3-dimensional echocardiographic imaging of left ventricular noncompaction cardiomyopathyJose Baez-Escudero
Department of Medicine, Section of Cardiology, Baylor College of Medicine, 6620 Main Street, 11A 08, Houston, TX 77030, USA
Eur J Echocardiogr 9:156-7. 2008..This case report demonstrates remarkable imaging of the left ventricular myocardium achieved with contrast-enhanced 3-dimensional echocardiography in the setting of noncompaction cardiomyopathy...
Right ventricular tissue Doppler and strain imaging: ready for clinical use?Sreedevi Gondi
Department of Medicine, Section of Cardiology, Baylor College of Medicine, Houston, Texas 77030, USA
Echocardiography 24:522-32. 2007....
In vitro inhibition of platelet aggregation in response to increasing concentrations of tirofiban in patients with significant renal insufficiencyMahboob Alam
Section of Cardiology, Department of Medicine, Baylor College of Medicine, Houston, TX, USA
Am Heart Hosp J 7:17-20. 2009..In this study, we attempted to find the in vitro concentration of tirofiban required to inhibit platelet aggregation to <10% in patients with moderate to severe renal insufficiency...
The obesity paradox: fact or fiction?Amit Habbu
University of Texas School of Public Health, Houston, Texas, USA
Am J Cardiol 98:944-8. 2006..Further prospective studies assessing the impact of more marked degrees of obesity on outcomes in patients with HF are needed to more conclusively determine whether the obesity paradox truly exists...
Aspirin and clopidogrel response variability: review of the published literatureAngela D Ferguson
Department of Medicine, Section of Cardiology, Baylor College of Medicine, Houston, Texas 77030, USA
Tex Heart Inst J 35:313-20. 2008..A concise nonarbitrary definition of physiologic "resistance" is needed, and investigators should identify patients as having a variable response to antiplatelet therapy...
Color tissue Doppler myocardial velocities consistently underestimate spectral tissue Doppler velocities: impact on calculation peak transmitral pulsed Doppler velocity/early diastolic tissue Doppler velocity (E/Ea)Marti McCulloch
Baylor College of Medicine and The Methodist-DeBakey Heart Center, Houston, Texas 77030, USA
J Am Soc Echocardiogr 19:744-8. 2006..Consequently, E/Ea by color TD significantly overestimates E/Ea using spectral TD, which could lead to errors in assessment of LV diastolic function...
Update on the association of inflammation and atrial fibrillationParag Patel
Section of Cardiology, Baylor College of Medicine, Houston, Texas, USA
J Cardiovasc Electrophysiol 21:1064-70. 2010..The purpose of this review is to provide current evidence on the relationship between inflammation and AF and potential therapies available to modulate the inflammatory state in AF...
Alcohol septal ablation for hypertrophic obstructive cardiomyopathy: a systematic review of published studiesMahboob Alam
Baylor College of Medicine-Cardiology, Houston, Texas 77030, USA
J Interv Cardiol 19:319-27. 2006..A randomized controlled trial is needed to compare ASA and myomectomy in order to determine which technique provides maximal benefit...
B-type natriuretic levels in critically ill patients: critically misleading?Hisham Dokainish
Department of Medicine, Baylor College of Medicine, 6620 Main Street, 11A, 08, Houston, TX 77030, USA
Crit Care 13:163. 2009..However, these cardiac peptides may have a more promising prognostic role in this patient population...
Role of inflammation in initiation and perpetuation of atrial fibrillation: a systematic review of the published dataTim T Issac
Division of Cardiology, Baylor College of Medicine, Houston, Texas, USA
J Am Coll Cardiol 50:2021-8. 2007..The purpose of this study is to analyze the current published reports on the relationship between inflammation and AF and the potential therapeutic options available to modulate the inflammatory milieu in AF...
Incremental predictive power of B-type natriuretic peptide and tissue Doppler echocardiography in the prognosis of patients with congestive heart failureHisham Dokainish
Department of Medicine, Section of Cardiology, Baylor College of Medicine, Houston, Texas 77030, USA
J Am Coll Cardiol 45:1223-6. 2005....
Enterococcal endocarditis presenting as an isolated aortic valve aneurysm: case report and review of literatureLily Zhang
Department of Medicine, Section of Cardiology, Baylor College of Medicine, Houston, TX 77030, USA
J Am Soc Echocardiogr 21:1391.e5-6. 2008..An important teaching point is the need to investigate for endocarditis in patients with valve aneurysms of unknown etiology, even in the absence of valve vegetations on transesophageal echocardiography...
Comprehensive imaging including three-dimensional echocardiography of an infected, ruptured sinus of valsalva aneurysmHector M Medina
Department of Medicine, Section of Cardiology, Baylor College of Medicine, Houston, Texas 77030, USA
Echocardiography 24:1096-8. 2007..This case represents a rare complication of a ruptured SOV aneurysm, with excellent delineation of cardiac anatomy using transthoracic three-dimensional echocardiography...
Prognostic implications of elevated troponin in patients with suspected acute coronary syndrome but no critical epicardial coronary disease: a TACTICS-TIMI-18 substudyHisham Dokainish
Section of Cardiology, Baylor College of Medicine, Houston, Texas 77030, USA
J Am Coll Cardiol 45:19-24. 2005..CONCLUSIONS: Elevated troponin in ACS is associated with a higher risk for death or reinfarction, even among patients who do not have significant angiographic CAD. The mechanisms conferring this adverse prognosis merit further study...
Patent ductus arteriosus complicated by pulmonary artery endarteritis in an adultRajan Kadakia
Department of Medicine, Section of Cardiology, Baylor College of Medicine, Houston, Texas 77030, USA
Echocardiography 21:665-7. 2004
Tissue Doppler imaging in the evaluation of left ventricular diastolic functionHisham Dokainish
Department of Medicine, Cardiology Section, Baylor College of Medicine, Houston, Texas 77030, USA
Curr Opin Cardiol 19:437-41. 2004..Describe the rationale behind, and clinical use of, tissue Doppler (TD) imaging in the assessment of left ventricular (LV) diastolic function, with a focus on recent developments...
Comparative accuracy of B-type natriuretic peptide and tissue Doppler echocardiography in the diagnosis of congestive heart failureHisham Dokainish
Department of Medicine, Section of Cardiology, Baylor College of Medicine, Houston, Texas, USA
Am J Cardiol 93:1130-5. 2004..Overall, BNP and E/Ea have similar diagnostic accuracy for CHF in this patient population. In patients with reduced ejection fraction, comprehensive echo-Doppler trended toward higher specificity than BNP for clinical CHF...
