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Articles 1 - 13 of 13
Full-Text Articles in Medicine and Health Sciences
Pakistan Study Of Premature Coronary Atherosclerosis In Young Adults (Pak-Sehat): A Prospective Longitudinal Study Protocol Investigating The Prevalence, Severity And Determinants Of Atherosclerotic Cardiovascular Disease In The Young Adult Pakistani Population, Bashir Hanif, Sana Sheikh, Ghazal Peerwani, Miguel Cainzos-Achirica, Wajiha Javed, Jaffer Bin Baqar, Zainab Samad, Faiza Bashir, Salim S. Virani, Khurram Nasir
Pakistan Study Of Premature Coronary Atherosclerosis In Young Adults (Pak-Sehat): A Prospective Longitudinal Study Protocol Investigating The Prevalence, Severity And Determinants Of Atherosclerotic Cardiovascular Disease In The Young Adult Pakistani Population, Bashir Hanif, Sana Sheikh, Ghazal Peerwani, Miguel Cainzos-Achirica, Wajiha Javed, Jaffer Bin Baqar, Zainab Samad, Faiza Bashir, Salim S. Virani, Khurram Nasir
Section of Cardiology
Introduction: Atherosclerotic cardiovascular disease (ASCVD) is a major cause of morbidity, mortality and health expenditures worldwide. Despite having higher ASCVD in the Pakistani population, data on subclinical coronary atherosclerosis in young Pakistanis remain scarce. The PAKistan Study of prEmature coronary atHerosclerosis in young AdulTs (PAK-SEHAT) aims to assess the prevalence, severity and determinants of subclinical coronary atherosclerosis among Pakistani men (35-60 years) and women (35-65 years) free of clinically symptomatic ASCVD and will assess 5-year rates of ASCVD events.
Methods and analysis: PAK-SEHAT is an ongoing prospective cohort study with 2000 participants from all provinces of Pakistan who will be …
A Quantification And Impact Of Incomplete Revascularization Using Residual Syntax Score In Nstemi Patients After Percutaneous Coronary Intervention, Syed Waqar Ahmed, Nasir Rahman
A Quantification And Impact Of Incomplete Revascularization Using Residual Syntax Score In Nstemi Patients After Percutaneous Coronary Intervention, Syed Waqar Ahmed, Nasir Rahman
Section of Cardiology
Objectives: The aim of this study was to assess the prognostic significance of rSS after PCI for NSTEMI in terms of all-cause mortality and MACE (Major adverse cardiac event) at 3 years of follow-up.
Methodology: A retrospective analysis of 115 consecutive NSTEMI patients who underwent PCI at the Aga Khan University Hospital Karachi between January 2016 and December 2016 was performed. 7 patients were excluded from the final analysis due to missing data (n=108). The SYNTAX scores before (baseline syntax=bSS) and after PCI (rSS) were calculated. Patients were stratified as CR if rSS =0, RICR if rSS >0 and ≤8 …
Heterogeneity In The Prevalence Of Premature Hypertension Among Asian American Populations Compared With White Individuals: A National Health Interview Survey Study, Sina Kianoush, Mahmoud Al Rifai, Anwar T. Merchant, Xiaoming Jia, Zainab Samad, Aneil Bhalla, Ayesha Khan, Dongshan Zhu, Salim S. Virani
Heterogeneity In The Prevalence Of Premature Hypertension Among Asian American Populations Compared With White Individuals: A National Health Interview Survey Study, Sina Kianoush, Mahmoud Al Rifai, Anwar T. Merchant, Xiaoming Jia, Zainab Samad, Aneil Bhalla, Ayesha Khan, Dongshan Zhu, Salim S. Virani
Section of Cardiology
Background: Differences in prevalence of risk factors such as hypertension may explain heterogeneity in cardiovascular risk across Asian American populations.
Methods: We used National Health Interview Survey (NHIS) data from 2006 to 2018 among White, Chinese, Asian Indian, Filipino, and 'other Asians' (Japanese, Korean, and Vietnamese). Unadjusted and adjusted odds ratios (aOR) with 95% confidence intervals were reported using logistic regression models for the association between race and self-reported premature hypertension (age old). Models were adjusted for sex, education, body mass index, smoking status, diabetes, and coronary heart disease.
Results: We studied 99,864 participants with history of hypertension (mean age, …
Leveraging Clinical Digitized Data To Understand Temporal Characteristics And Outcomes Of Acute Myocardial Infarctions At A Tertiary Care Medical Centre In Pakistan From 1988-2018 - Methods And Results, Zainab Samad, Ali Aahil Noorali, Awais Farhad, Safia Awan, Nada Qaiser Qureshi, Mushyada Ali, Laiba Masood, Ghurfan Adnan, Zulfiqar Ahmed Bhutta, Javed Tai
Leveraging Clinical Digitized Data To Understand Temporal Characteristics And Outcomes Of Acute Myocardial Infarctions At A Tertiary Care Medical Centre In Pakistan From 1988-2018 - Methods And Results, Zainab Samad, Ali Aahil Noorali, Awais Farhad, Safia Awan, Nada Qaiser Qureshi, Mushyada Ali, Laiba Masood, Ghurfan Adnan, Zulfiqar Ahmed Bhutta, Javed Tai
Section of Cardiology
Background and objective: Few data exist on trends in acute myocardial infarction (AMI) patterns spanning recent epidemiological shifts in low middle-income countries (LMICs). To understand temporal disease patterns of AMI characteristics and outcomes between 1988-2018, we used digitized legacy clinical data at a large tertiary care centre in Pakistan.
Methods: We reviewed digital health information capture systems maintained across the Aga Khan University Hospital and obtained structured elements to create a master dataset. We included index admissions of patients >18 years that were discharged between January 1, 1988, and December 31, 2018, with a primary discharge diagnosis of AMI (using …
Association Of U.S. Birth, Duration Of Residence In The U.S., And Atherosclerotic Cardiovascular Disease Risk Factors Among Asian Adults, Mahmoud Al Rifai, Sina Kianoush, Vardhmaan Jain, Parag H. Joshi, Miguel Cainzos-Achirica, Khurram Nasir, Anwar T. Merchant, Sunita Dodani, Sally S. Wong, Zainab Samad
Association Of U.S. Birth, Duration Of Residence In The U.S., And Atherosclerotic Cardiovascular Disease Risk Factors Among Asian Adults, Mahmoud Al Rifai, Sina Kianoush, Vardhmaan Jain, Parag H. Joshi, Miguel Cainzos-Achirica, Khurram Nasir, Anwar T. Merchant, Sunita Dodani, Sally S. Wong, Zainab Samad
Section of Cardiology
Introduction: Prior studies have shown a direct association between U.S. birth and duration of residence with atherosclerotic cardiovascular disease (ASCVD) though, few have specifically focused on Asian Americans.
Methods: We utilized cross-sectional data from the 2006 to 2015 National Health Interview Survey. We compared prevalent cardiovascular risk factors and ASCVD among Asian American individuals by U.S. birth and duration of time spent in the U.S.
Results: The study sample consisted of 18,150 Asian individuals of whom 20.5 % were Asian Indian, 20.5 % were Chinese, 23.4 % were Filipino, and 35.6 % were of other Asian ethnic groups. The mean …
Clinical Characteristics And Prognostic Factors Of Atrial Fibrillation At A Tertiary Center Of Pakistan – From A South-Asian Perspective – A Cross-Sectional Study, Intisar Ahmed, Aiysha Nasir, Pirbhat Shams, Hunaina Shahab, Muhammad Hassan, Faryal Subhani, Ghurfan Adnan, Awais Farhad, Aamir Hameed, Yawer Saeed
Clinical Characteristics And Prognostic Factors Of Atrial Fibrillation At A Tertiary Center Of Pakistan – From A South-Asian Perspective – A Cross-Sectional Study, Intisar Ahmed, Aiysha Nasir, Pirbhat Shams, Hunaina Shahab, Muhammad Hassan, Faryal Subhani, Ghurfan Adnan, Awais Farhad, Aamir Hameed, Yawer Saeed
Section of Cardiology
Background: There is lack of large data from South-Asian region on atrial fibrillation and it is imperative that clinical presentation, prognostic factors, management pursued, and outcomes are known for this part of the world. Once collective evidence for the region is known, region-specific guidelines can be laid forward.
Objectives: To evaluate clinical characteristics and prognostic factors of atrial fibrillation at a tertiary care center of Pakistan.
Methods: This was a retrospective study conducted at a tertiary care center of Pakistan. Period of study ranged from July-December 2018. All hospitalized patients who were admitted with atrial fibrillation as a primary or …
Covid-19 Bbibp-Corv Vaccine And Transient Heart Block - A Phenomenon By Chance Or A Possible Correlation - A Case Report, Pirbhat Shams, Jamshed Ali, Sheema Saadia, Aamir Hameed Khan, Fateh Ali Tipoo Sultan, Javed Tai
Covid-19 Bbibp-Corv Vaccine And Transient Heart Block - A Phenomenon By Chance Or A Possible Correlation - A Case Report, Pirbhat Shams, Jamshed Ali, Sheema Saadia, Aamir Hameed Khan, Fateh Ali Tipoo Sultan, Javed Tai
Section of Cardiology
Importance: Bradyarrhythmia during COVID19 illness carries prognostic significance. Electrophysiological side effects of COVID19 vaccine remain largely unknown. It is imperative to report nature of cardiovascular side effects of the vaccine.
Case presentation: An 80 years-old-man presented with complains of dizziness, trepidation and shortness of breath following his first shot of COVID-19 BBIBP-CorV (Sino-pharm). ECG on arrival showed 2:1 atrioventricular block with an underlying old left bundle branch block. The AV block changed into Mobitz type-I over the course of next 2 days and into a sinus 1:1 conduction on fourth day of presentation. However, our patient underwent permanent pacemaker implantation …
Imagining A Lean And Agile Digital Health Ecosystem - A Measure Of Pandemic Responsiveness, Zainab Samad, Sana Mahmood, Sameen Siddiqi, Zulfiqar Ahmed Bhutta
Imagining A Lean And Agile Digital Health Ecosystem - A Measure Of Pandemic Responsiveness, Zainab Samad, Sana Mahmood, Sameen Siddiqi, Zulfiqar Ahmed Bhutta
Section of Cardiology
No abstract provided.
Availability And Affordability Of Medicines And Cardiovascular Outcomes In 21 High-Income, Middle-Income And Low-Income Countries, Clara Kayei Chow, Tu Ngoc Nguyen, Simone Marschner, Rafael Diaz, Omar Rahman, Alvaro Avezum, Scott A. Lear, Koon Teo, Karen E. Yeates, Khawar Kazmi
Availability And Affordability Of Medicines And Cardiovascular Outcomes In 21 High-Income, Middle-Income And Low-Income Countries, Clara Kayei Chow, Tu Ngoc Nguyen, Simone Marschner, Rafael Diaz, Omar Rahman, Alvaro Avezum, Scott A. Lear, Koon Teo, Karen E. Yeates, Khawar Kazmi
Section of Cardiology
Objectives: We aimed to examine the relationship between access to medicine for cardiovascular disease (CVD) and major adverse cardiovascular events (MACEs) among people at high risk of CVD in high-income countries (HICs), upper and lower middle-income countries (UMICs, LMICs) and low-income countries (LICs) participating in the Prospective Urban Rural Epidemiology (PURE) study.
Methods: We defined high CVD risk as the presence of any of the following: hypertension, coronary artery disease, stroke, smoker, diabetes or age >55 years. Availability and affordability of blood pressure lowering drugs, antiplatelets and statins were obtained from pharmacies. Participants were categorised: group 1-all three drug types …
Analysis Of Covid-19 Burden, Epidemiology And Mitigation Strategies In Muslim Majority Countries, Rachel Jardine, James Wright, Zainab Samad, Zulfiqar Ahmed Bhutta
Analysis Of Covid-19 Burden, Epidemiology And Mitigation Strategies In Muslim Majority Countries, Rachel Jardine, James Wright, Zainab Samad, Zulfiqar Ahmed Bhutta
Section of Cardiology
Background: Muslim majority countries have experienced a considerable burden of COVID-19 infection. However, there has been a relative lack of research comparing COVID-19 outbreaks and responses between Muslim-majority countries.
Aims: This study aimed to analyse COVID-19 burden, epidemiology and mitigation strategies in Muslim-majority countries.
Methods: We use a mixed-methods approach to describe the course of the COVID-19 pandemic throughout the Islamic world, highlight the range of non-pharmaceutical interventions used and the speed with which they were implemented, and investigate reasons behind the differing responses between Muslim-majority countries. The number of cases and deaths per million population, and the mean time …
Characteristics Of Traumatic Out-Of-Hospital Cardiac Arrest Patients Presenting To Major Centers In Karachi, Pakistan-A Longitudinal Cohort Study, Minaz Mawani, Muhammad Masood Kadir, Iqbal Azam Syed, Junaid Abdul Razzak
Characteristics Of Traumatic Out-Of-Hospital Cardiac Arrest Patients Presenting To Major Centers In Karachi, Pakistan-A Longitudinal Cohort Study, Minaz Mawani, Muhammad Masood Kadir, Iqbal Azam Syed, Junaid Abdul Razzak
Section of Cardiology
Background: Trauma is the leading cause of death for adults under 44 years of age. Survival after traumatic out-of-hospital cardiac arrest (OHCA) has been reported to be poor, and its epidemiology is not well defined. A few studies have reported better survival in response to pre-hospital life-saving interventions. Currently, no published data on traumatic cardiac arrests in the field exist from low- and lower middle-income countries. We aimed to explore the epidemiology and outcomes of traumatic OHCA patients from Karachi, Pakistan. We conducted a longitudinal cohort study at emergency departments (ED) of five major public and private hospitals of the …
Albuminuria And Kidney Function As Prognostic Marker Of Left Ventricular Mass Among South Asians With Hypertension, Liang Feng, Aamir Hameed, Imtiaz Jehan, John Allen, Tazeen Jafar
Albuminuria And Kidney Function As Prognostic Marker Of Left Ventricular Mass Among South Asians With Hypertension, Liang Feng, Aamir Hameed, Imtiaz Jehan, John Allen, Tazeen Jafar
Section of Cardiology
We aimed to evaluate the association of albuminuria and estimated glomerular filtration rate (eGFR) at baseline and changes in these parameters with left ventricular mass index (LVMI) at 7 years in adults with hypertension from communities in Pakistan. A nested cohort of 539 hypertensives aged 40 years and older from a community-living population in Karachi, Pakistan, followed up for 7 years in the Control of Blood Pressure and Risk Attenuation trial. Urine spot albumin-to-creatinine ratio (UACR) and serum creatinine-based eGFR were assessed at baseline and 7 years, and echocardiography at 7 years. Mean age of participants was 50.9 ± 9.1 …
Ventricular Depolarisation Vectors In Exercise Induced Myocardial Ischaemia, Cameruddin W. Vellani, Mohammad Yusuf, Sadia Mahmud, Satwat Hashmi
Ventricular Depolarisation Vectors In Exercise Induced Myocardial Ischaemia, Cameruddin W. Vellani, Mohammad Yusuf, Sadia Mahmud, Satwat Hashmi
Section of Cardiology
Ischaemia reduces membrane excitability and conduction of myocardial depolarisation. This would alter the synergy of electromotive forces that contribute to a resultant force at any instant. Changes in magnitude and direction of resultant forces are reflected in electrocardiographic signals. Here we show a method for obtaining the coordinates of resultant electrical forces during exercise derived from a bipolar orthogonal lead system for calculation of electrical vectors in three planes. In a trial, analysis of changes in vectors indicated that the extent of reduction in magnitude with exercise was significantly greater in groups of patients categorized by impaired effort tolerance and …