Medicine and Health Sciences Commons^™

Atrial Tachycardia Associated With A Tachycardia-Induced Cardiomyopathy In A Patient With Systemic Lupus Erythematosus, Faryal Subhani, Intisar Ahmed, Adil A. Manji, Yawer Saeed

Section of Cardiology

Systemic lupus erythematosus (SLE) is an autoimmune disease that involves multiple organ systems. Cardiovascular involvement in SLE is well described in the literature. Cardiac arrhythmias associated with SLE include sinus tachycardia, atrial fibrillation, and atrial ectopy or atrial tachycardia. In this report, we present the case of a patient with SLE who was found to have focal atrial tachycardia that mimicked sinus tachycardia on a 12-lead electrocardiogram (ECG). She was inappropriately treated as a case of sinus tachycardia initially. But she did not respond to the treatment and developed tachycardia-induced cardiomyopathy despite being on antiarrhythmic medications. She subsequently underwent successful …

Long-Term Clinical Outcomes Of Percutaneous Coronary Intervention In Saphenous Vein Grafts In A Low To Middle-Income Country, Ghurfan Adnan, Intisar Ahmed, Javed Tai, Maria Ali Khan, Hammad Hasan

Section of Cardiology

Background: Revascularization of saphenous vein grafts (SVGs) is challenging and debated for the last few decades. The percutaneous revascularization of SVGs was reported to have poorer long-term outcomes than native coronary artery revascularization.
Purpose: We aim to study the peri-procedural complications and long-term outcomes of the percutaneous revascularization of SVGs in a low-middle-income country.
Methods: In this retrospective study, we included 110 patients who underwent percutaneous revascularization from January 2011 to March 2020 and followed them retrospectively for long-term outcomes and major adverse cardiovascular events.
Results: The mean age was 71 ±9, and 81% were male. The most common reason …

Simulator-Based Ultrasound Training For Identification Of Endotracheal Tube Placement In A Neonatal Intensive Care Unit Using Point Of Care Ultrasound, Khushboo Qaim Ali, Sajid Bashir Soofi, Ali Shabbir Hussain, Uzair Ansari, Shaun Morris, Mark Oliver Tessaro, Shabina Ariff, Hasan Merali

Department of Paediatrics and Child Health

Background: Simulators are an extensively utilized teaching tool in clinical settings. Simulation enables learners to practice and improve their skills in a safe and controlled environment before using these skills on patients. We evaluated the effect of a training session utilizing a novel intubation ultrasound simulator on the accuracy of provider detection of tracheal versus esophageal neonatal endotracheal tube (ETT) placement using point-of-care ultrasound (POCUS). We also investigated whether the time to POCUS image interpretation decreased with repeated simulator attempts.
Methods: Sixty neonatal health care providers participated in a three-hour simulator-based training session in the neonatal intensive care unit (NICU) …

Factors Related To Maternal Adverse Outcomes In Pregnant Women With Cardiac Disease In Low-Resource Settings, Philippe Amubuomombe Poli, Elkanah Omenge, Ann Mwangi, Felix Ayub Barasa

Obstetrics and Gynaecology, East Africa

Background: Cardiac disease is an important life-threatening complication during pregnancy. It is frequently seen in pregnant women living in resource-limited areas and often results in premature death.

Aim: The aim of this hospital-based longitudinal study was to identify factors related to adverse maternal and neonatal outcomes in pregnant women with cardiac disease in low-resource settings.

Methods: The study enrolled 91 pregnant women with congenital or acquired cardiac disease over a period of 2 years in Kenya.

Results: Maternal and early neonatal deaths occurred in 12.2% and 12.6% of cases, respectively. The risk of adverse outcomes was significantly …

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 …

Air Pollution And Non Communicable Diseases, Zafar Fatmi, Shafaq Mahmood, Zainab Samad, Mohammad Wasay

Community Health Sciences

No abstract provided.

Comparison Of Figure Of Eight And Traditional Simple Wire Closure Method To Prevent Dehiscence After Sternal Closure, Aleezay Asghar, Khawaja Muhammad Talha, Muneer Amanullah, Syed Shahabuddin

Medical College Documents

Objective: To investigate significant differences, if any, between figure of-eight method and simple wire closure technique in reducing the incidence of infectious and non-infectious sternal dehiscence in patients undergoing sternal closure.
Methods: The systematic review was conducted in the Cardiothoracic Surgery Department at Aga Khan University from 1st December 2015 to 13th December 2017. The review was registered with PROSPERO, the International Prospective Register of Systematic Reviews. Pubmed, Cochrane Library (Wiley) and Scopus databases were searched for articles published up to December 13, 2017. The search was limited to randomised control trials, clinical trials, retrospective cohort studies, journal analyses, systematic …

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 …

Ionomic Profiling Of Pericardial Fluid In Ischemic Heart Disease, Noman Khan, Satwat Hashmi, Amna Jabbar Siddiqui, Sabiha Farooq, Shahid Ahmed Sami, Nageeb Basir, Syedah Saira Bokhari, Hasanat Sharif, Sanaullah Junejo, Syed Ghulam Musharraf

Department of Biological & Biomedical Sciences

Metals are essential cofactors that play a crucial role in heart function at the cell and tissue level. Information regarding the role of metals in the pericardial fluid and its ionome in ischemic heart disease (IHD) is limited. We aimed to determine the association of elements in pericardial fluid and serum samples of IHD patients and their correlation with systolic and diastolic function. IHD patients have been studied with systolic and diastolic dysfunction categorized on the basis of echocardiographic parameters. We measured concentrations of sixteen elements in the pericardial fluid and serum of 46 patients obtained during open heart surgery …

Ruptured Mycotic Reverse Saphenous Vein Graft Aneurysm: A Late Complication Of Mediastinitis, Yasir Bilal Khan, Shiraz Hashmi, Saulat Hasnain Fatimi

Section of Cardiothoracic Surgery

Reverse saphenous vein graft aneurysm (RSVGA) is a rare complication that occurs after coronary bypass grafting surgery. Mycotic aneurysm of reverse saphenous vein graft is even more rare. We describe the case of a 76-year-old man who underwent coronary artery bypass grafting 10 years back and had mediastinitis four to five months after surgery. He presented with chest pain in July 2017 and was diagnosed as NSTEMI. Angiography showed left main coronary artery disease (90%) with aneurysm of reverse saphenous vein graft to right posterior descending artery(RPDA). Emergent percutaneous coronary intervention (PCI) of the left main artery was performed as …

Reorganising For Covid-19 Pandemic: A Review Of Structural Modifications By The Department Of Internal Medicine In Low To Middle-Income Countries, Shakeel Ur Rehman, Muhammad Arslan Ahmed, Ghufran Adnan, Maria Ali Khan

Department of Medicine

Scientists classified the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) as a novel coronavirus on January 7, 2020. The World Health Organization (WHO) acknowledged the SARS-CoV-2 outburst a public health emergency of international concern on January 30, 2020. Since its origin, this virus has disrupted the best healthcare systems, economies, and strained financial resources; and for underdeveloped countries' healthcare systems, the virus has become a crisis. To tackle the potential hazards from this virus, our Department restructured the services that not only helped us to cope with the pandemic, but also provided an example to copy for other contemporary institutes. …

Healthcare Utilisation And Expenditure Patterns For Cardio-Metabolic Diseases In South Asian Cities: The Carrs Study, Priti Gupta, Kalpana Singh, Roopa Shivashankar, Kavita Singh, Ajay Vamadevan, V Mohan, Muhammad Masood Kadir, Nikhil Tandon, K M. Narayan, Dorairaj Prabhakaran, Mohammed K. Ali

Community Health Sciences

Objective: To estimate average annual expenditures per person, total economic burden and distress health financing associated with the treatment of five cardio-metabolic diseases (CMDs-hypertension, diabetes, heart disease (angina, myocardial infarction and heart failure), stroke and chronic kidney disease) in three metropolitan cities in South Asia.
Design: Cross-sectional surveys.
Setting: We analysed community-based baseline data from the Centre for cArdio-metabolic Risk Reduction in South Asia (CARRS) Study collected in 2010-2011 representing Chennai and New Delhi (India), and Karachi (Pakistan).
Participants: We used data from non-pregnant adults (≥20 years) from the aforementioned cities that responded to a cost-of-illness questionnaire. We estimated health …

Cardiac Magnetic Resonance Evaluation Of Cardiac Masses In Patients With Suspicion Of Cardiac Masses On Echo Or Computed Tomography, Fateh Ali Tipoo Sultan, Syed Waqar Ahmed

Section of Cardiology

Objectives: In recent years, cardiac magnetic resonance (CMR) imaging has emerged as an important tool in the identification and characterization of cardiac masses. No imaging data on cardiac masses are available from Pakistan. We aimed to review the clinical presentation, CMR findings, and outcome of patients referred for CMR due to suspicion of cardiac masses on echocardiogram or computed tomography (CT).
Material and methods: We reviewed all the patients referred for CMR at Aga Khan University Hospital, Karachi, from January 2011 to March 2020, with the suspicion of cardiac mass on echocardiogram and/or CT. Only those with the confirmed diagnosis …

Frequency Of Intraoperative Hypotension After The Induction Of Anesthesia In Hypertensive Patients With Preoperative Angiotensin-Converting Enzyme Inhibitors, Fahad Salim, Fazal Hameed Khan, Muhammad Nasir, Rashid Ali, Ayesha Iqbal, Amir Raza

Department of Anaesthesia

Introduction: The renin-angiotensin-aldosterone system (RAAS) is an important target in the treatment of hypertension. Angiotensin-converting enzyme (ACE) inhibitors block the conversion of angiotensin I to angiotensin II. ACE inhibitors not only treat hypertension but also decrease morbidity and mortality in heart failure patients and in patients with acute myocardial infarction. The discontinuation of ACE inhibitors before the surgery is still controversial. To assess the current magnitude of the problem in our population, we aimed to conduct this study, which evaluated the frequency of intraoperative hypotension after the induction of anesthesia in controlled hypertensive patients with preoperative ACE inhibitors.
Material and …

Pericardiocentesis Indications And Complications: A Retrospective Observational Study In A Tertiary Care Hospital In Karachi, Pakistan, Abdul Baqi, Intisar Ahmed

Section of Cardiology

Introduction: Pericardiocentesis is crucial for the diagnosis and management of diseases responsible for significant pericardial effusions. Pericardiocentesis was performed the first time by Riolanus for cardiac tamponade. He described the process of trephination of the sternum to remove the abnormally accumulated fluid from the pericardial space. However, with the advancement of expertise in echocardiography assisted procedures, echocardiography-guided diagnostic and therapeutic pericardiocentesis is now considered standard clinical practice in the treatment of pericardial effusions.
Objectives: We aim to study different causes of pericardial effusion and indications of pericardiocentesis as well as complications associated with it in our population.
Methods: This is …

Exploring The Influence Of Socio-Cultural Factors And Environmental Resources On The Health Related Quality Of Life Of Children And Adolescents After Congenital Heart Disease Surgery: Parental Perspectives From A Low Middle Income Country, Laila Ladak, Robyn Gallagher, Babar Hasan, Khadija Awais, Ahmed Abdullah, Janice Gullick

Department of Paediatrics and Child Health

Background: Health related quality of life (HRQOL) is an important indicator of long-term well-being, influenced by environmental factors such as family, culture, societal norms and available resources. This study aimed to explore parental perspectives on the influence of socio-cultural factors and environmental resources on the HRQOL of children and adolescents after congenital heart disease (CHD) surgery.
Methods: Using a descriptive, qualitative design, semi-structured interviews of children/adolescents who had CHD surgery in this low-middle income country (LMIC) were collected between July to December 2017. There were 20 families enrolled, which included 18 parent dyads (mother and father) and two single mothers, …

Understanding Of Metals Dysregulation In Patients With Systolic And Diastolic Dysfunction In Ischemic Heart Disease, Noman Khan, Satwat Hashmi, Amna Jabbar Siddiqui, Sabiha Farooq, Shahid Ahmed Sami, Nageeb Basir, Syeda Saira Bokhari, Hasanat Sharif, Sanaullah Junejo, Hesham R. El-Seedi, Syed Ghulam Musharraf

Department of Biological & Biomedical Sciences

Ischemic heart disease (IHD) is the leading cause of death and chronic disability in the world. IHD affects both the systolic and diastolic function of the heart which progressively leads to heart failure; a structural and functional impairment of filling or ejection of blood from the heart. In this study, the progression of systolic and diastolic dysfunction characterized according to their echocardiographic parameters including left ventricular ejection fraction (EF), grades of diastolic dysfunction and ratio between early mitral inflow velocity and mitral annular early diastolic velocity (E/e'), were correlated with differential regulation of various metals in patients sera samples (n …

Evaluation Of Aspirin And Statin Therapy Use And Adherence In Patients With Premature Atherosclerotic Cardiovascular Disease, Dhruv Mahtta, David J. Ramsey, Mahmoud Al Rifai, Khurram Nasir, Zainab Samad, David Aguilar, Hani Jneid, Christie M. Ballantyne, Laura A. Petersen, Salim S. Virani

Section of Cardiology

Importance: Studies on the use of and adherence to secondary prevention therapies in patients with premature and extremely premature atherosclerotic cardiovascular disease (ASCVD) are lacking.
Objective: To evaluate and compare aspirin use, any statin use, high-intensity statin use, and statin adherence among patients with premature or extremely premature ASCVD compared with patients with nonpremature ASCVD.
Design, setting, and participants: This multicenter cross-sectional study used the clinical and administrative data sets of the US Department of Veterans Affairs (VA) to identify adult patients with at least 1 primary care visit in the VA health care system between October 1, 2014, and …

Clinical Presentation, Cardiac Magnetic Resonance Findings, And Prognosis Of Patients With Arrhythmogenic Right Ventricular Cardiomyopathy - An Experience From Pakistan, Intisar Ahmed, Fateh Ali Tipoo Sultan

Section of Cardiology

Objectives: Arrhythmogenic right ventricular cardiomyopathy (ARVC) is an inherited heart-muscle disease, characterized by fibro-fatty replacement and ventricular arrhythmias, that primarily affects the right ventricle (RV). We aimed to look at the clinical presentation, cardiac magnetic resonance (CMR) imaging findings and prognosis of patients with ARVC in Pakistan.
Material and methods: It is a retrospective observational study, 17 consecutive patients with CMR and other findings consistent with ARVC, were enrolled from 2010 to 2019 at a single center.
Results: Out of 17 patients, 12 (70.6%) were male with a mean age of 33.5 ± 17.5 years. Family history of sudden cardiac …

Direct True Lumen Versus Conventional Cannulation For Acute Type-A Aortic Dissection, Asra Wahid, Syed Shahabuddin, Muhammad Muneer Amanullah, Shiraz Hashmi, Shahid Ahmed Sami

Medical College Documents

Acute type-A aortic dissection is a surgical emergency and has a high rate of short-term mortality. Aortic dissection is highly under-reported in Pakistan. With the technological developments in its management, arterial cannulation technique of direct true lumen cannulation has emerged with improved outcomes. We aimed to compare the mortality and morbidity outcomes between direct true lumen and conventional cannulation techniques for arterial access in patients with acute type- A aortic dissection under a single-centre retrospective review from 2007 to 2017. Mean age of the participants was 43.3±11.6 vs 45±12.4 years with males being dominant in both groups. Frequency of overall …

Wet Labs: A Useful Tool In Training Surgical Residents In A Third World Country, Hina Inam, Narmeen Asif, Abdul Ahad Sohail, Saulat Fatimi

Section of Cardiothoracic Surgery

•Wet labs are a useful, cost-effective and safe tool in teaching of Cardiothoracic Surgery residents.•In a third world country where advance real life simulators are not available.•It improves resident's tissue handling and surgical skills.•Allows faculty members to give continuous feedback to their residents.

A Rare Case Of Constrictive Pericarditis As Initial Manifestation Of Paediatric Anaplastic Large Cell Lymphoma Requiring Urgent Pericardiectomy, Sara Iqbal, Abdul Ahad Sohail, Narmeen Asif, Muhammad Rahil Khan, Sabeehuddin Siddique, Saulat Fatimi

Section of Cardiothoracic Surgery

Constrictive pericarditis (CP) is a rare end stage inflammatory disorder affecting both parietal and visceral pericardium leading to a right heart failure. Malignancy is the least common cause of CP. Anaplastic large cell lymphoma (ALCL) accounts for 10-15% of all Non-Hodgkin lymphomas in children. Very few case reports have reported ALCL that is involving the heart and only two have been published involving pericardium but all were managed medically. We present an interesting case of an 11 year old child who presented with an effusive CP that required urgent Pericardiectomy for managing right heart failure. His histopathology was positive for …

Postoperative Myocardial Injury In A Patient With Left Ureteric Stone And Asymptomatic Covid-19 Disease, Nadeem Kassam, Omar Aziz, Ally Zain Ismail, Rodgers Swai, Samina Somji, Robert Mvungi, Mustaafa Bapumia, Ali Akbar Zehri, Salim Surani

Internal Medicine, East Africa

Coronavirus disease 2019 (COVID-19) is an infectious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). It was first identified on 8thDecember 2019 in Wuhan, Hubei, China, and has since spread globally to become an emergency of international concern. Patients infected with SARS-CoV-2 may be asymptomatic or present with symptoms ranging from mild clinical manifestations: such as fever, cough, and sore throat to moderate and severe form of the disease such as pneumonia and acute respiratory distress syndrome (ARDS). In some patients, SARS-CoV-2 can affect the heart and cause myocardial injury which is evidenced either by electrocardiographic (ECG) changes …

In Response To Letter Title "Immediate Hemodynamic And Gaseous Exchange Effect Of Bi-Level Positive Airway Pressure After Cardiac Surgery: Our Insight To Hamid Et Al.'S Study", Mohammad Hamid, Mohammad Irfan Akhtar, Saba Ahmed

Department of Anaesthesia

No abstract provided.

Major Septal Defects: Comparative Study Of Down Syndrome And Non-Down Syndrome Infants, Before And After Surgery, Saleha Aziz, Maaha Ayub, Laiba Masood, Muneer Amanullah, Rukhsana Hameed, Shiraz Hashmi, Waris Ahmad

Medical College Documents

Objective: To compare pre-operative, intra-operative, and post-operative parameters in Down syndrome (DS) and non-DS patients with atrioventricular septal defects (AVSD) and inlet ventricular septal defects (VSD) in a tertiary care hospital in Pakistan.
Methods: We conducted a retrospective study at Aga Khan University, Pakistan. All complete atrioventricular septal defect (CAVSD), partial atrioventricular septal defect (PAVSD), and VSD with inlet extension surgical cases from January 2007 to January 2019 were included. Patients with congenital heart diseases other than those listed above were excluded.
Results: In 61 cases, 18 had DS. Median age, mean body surface area (BSA), and height were lower …

Inferior Vena Cava Injuries - A Clinical Review, Zia Ur Rehman

Department of Surgery

Inferior vena caval (IVC) injuries are uncommon and challenging to treat. Less than 5% of patients with penetrating abdominal trauma and less than 0.5% of patients with blunt abdominal trauma have this injury. Patient can present with intraperitoneal haemorrhage or with a contained retroperitoneal haematoma. Mostly it is associated with other abdominal structures injuries. Most commonly injured segment is infrarenal IVC. Operative strategy is different for each segment of injured vein. Infrahepatic injuries are exposed by medial visceral rotation. Retrohepatic and suprahepatic injuries need infrequent exposures. Mortality remains high and range between 31-51% for the patient brought alive to the …

Challenges And Special Aspects Of Pulmonary Hypertension In Middle- To Low-Income Regions: Jacc State-Of-The-Art Review, Babar Hasan, Georg Hansmann, Werner Budts, Alexandra Heath, Zahra Hoodbhoy, Zhi-Cheng Jing, Martin Koestenberger, Katharina Meinel, Ana Olga Mocumbi, Ganna D. Radchenko

Department of Paediatrics and Child Health

Challenges and special aspects related to the management and prognosis of pulmonary hypertension (PH) in middle- to low-income regions (MLIRs) range from late presentation to comorbidities, lack of resources and expertise, cost, and rare options of lung transplantation. Expert consensus recommendations addressing the specific challenges for prevention and therapy of PH in MLIRs with limited resources have been lacking. To date, 6 MLIR-PH registries containing mostly adult patients with PH exist. Importantly, the global prevalence of PH is much higher in MLIRs compared with high-income regions: group 2 PH (left heart disease), pulmonary arterial hypertension associated with unrepaired congenital heart …

Estimation Of The Burden Of Out-Of-Hospital Traumatic Cardiac Arrest In Karachi, Pakistan, Using A Cross-Sectional Capture-Recapture Analysis, Minaz Mawani, Syed Iqbal Azam, Muhammad Masood Kadir, Zainab Samad, Junaid Abdul Razzak

Community Health Sciences

Background: The burden of trauma-related-out-of-hospital cardiac arrest (OHCA) in developing countries like Pakistan remains largely unexplored due to a lack of organized pre-hospital systems. In order to estimate the burden, we used a two-sample capture-recapture method which has been used in several domains to estimate difficult-to-count populations.
Methods: We obtained 3-month data from two sources: Records of two major EMS (emergency medical services) systems and five major hospitals providing coverage to the city's population. All adults with traumatic OHCA were included. Information on variables such as name, age, gender, date and time of arrest, cause of arrest, and destination hospital …

Successful Completion Of Pregnancy After Mustard Procedure For Transposition Of Great Arteries: A Rare Case From The Developing World, Muhammad Kamran Younis Memon, Ayesha Malik, Saleem Akhtar

Department of Paediatrics and Child Health

Surgical repair of transposition of great arteries has undergone various evolutionary changes over the years. The initial of these treatment options was atrial septectomy followed by atrial switch and the current preferred treatment option is arterial switch operation worldwide. Due to various reasons, like lack of medical and surgical expertise atrial switch operation was commonly in practice in developing countries until few years back. Pregnancy in a patient with history of atrial switch operation poses a unique haemodynamic challenge. We report the case of a successful pregnancy in a 26 years old lady who had undergone Mustard repair surgery in …

The Frequency Of Left Atrial Thrombus On Transthoracic Echocardiogram In Patients With Mitral Stenosis, Khalil Ahmed, Aziz Rehman Memon, Hussain Liaquat Sr, Mustajab Mujtaba, Chander Parkash, Fateh Ali Tipoo Sultan, Musa Karim

Section of Cardiology

Background: Patients with mitral stenosis (MS) are more prone to develop left atrial (LA) thrombus. This cross-sectional study was conducted to determine the frequency of LA thrombus on transthoracic echocardiography (TTE) in patients with MS.
Methods: In this study, we included patients diagnosed with MS undergoing TTE at the echocardiography department of the National Institute of Cardiovascular Disease (NICVD), Karachi, Pakistan. The severity of MS was classified based on the mitral valve area (MVA) as follows: very severe: MVA of ≤1.0 cm²; severe: MVA of ≤1.5 cm²; and mild to moderate: MVA of >1.5 cm^{2 …}