Catastrophic Cardiac Amyloidosis

We report a case of a 61-year-old patient presenting with cardiogenic shock. His echocardiogram suggested typical features of cardiac amyloidosis. This case demonstrates that cardiac amyloidosis can present acutely and may be catastrophic

Large Right Atrial Vegetation in a Patient with Tunnelled Dialysis Catheter-Related Staphylococcal Sepsis : Remove the catheter if not in use

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Mechanical Prosthetic Valves and Pregnancy : A therapeutic dilemma of anticoagulation

Choosing the best anticoagulant therapy for a pregnant patient with a mechanical prosthetic valve is controversial and the published international guidelines contain no clear-cut consensus on the best approach. This is due to the fact that there is presently no anticoagulant which can reliably decrease thromboembolic events while avoiding damage to the fetus. Current treatments include either continuing oral warfarin or substituting warfarin for subcutaneous unfractionated heparin or low-molecular-weight heparin (LMWH) in the first trimester (6–12 weeks) or at any point throughout the pregnancy. However, LMWH, while widely-prescribed, requires close monitoring of the blood anti-factor Xa levels. Unfortunately, facilities for such monitoring are not universally available, such as within hospitals in developing countries. This review evaluates the leading international guidelines concerning anticoagulant therapy in pregnant patients with mechanical prosthetic valves as well as proposing a simplified guideline which may be more relevant to hospitals in this region

Acute Coronary Syndrome in Oman : Results from the Gulf Registry of Acute Coronary Events

Acute coronary syndrome (ACS) is the most common cause of cardiovascular mortality and morbidity in Western countries. International guidelines for diagnosis and treatment have been developed based on randomised clinical trials. However, data from international registries report a lack of association between guideline recommendations and actual clinical practice. Similarly, the Gulf Heart Association initiated a registry called Gulf Registry of Acute Coronary Events (Gulf RACE). This registry was developed to determine the characteristics and management of ACS in the Gulf countries including Oman. Here, we report on the results of the various Gulf RACE registry studies from Oman and compare our results with the main Gulf RACE data as well as other international registries

Outcomes in acute decompensated chronic heart failure patients discharged with and without ivabradine: Advantages beyond heart rate control

Background and Aim: Ivabradine is indicated in chronic heart failure (HF) and reduced ejection fraction (EF) of < 35% and resting heart rate (HR) of > 70 bpm. However, role of Ivabradine in acute decompensated chronic HF (ADCHF) is not well known. The aim of this study was to evaluate one-year outcomes of ADCHF patients discharged with and without Ivabradine. Materials and Methods: This is a prospective observational cohort study of ADCHF patients from January 2016 to January 2018. Main exclusion criteria was new onset de-novo acute HF, those with EF > 50% and atrial fibrillation. Data were analysed from 130 patients who were discharged with (62 patients) or without Ivabradine (68 patients). The primary end points were one-year re-hospitalization and cardiovascular mortality between two groups. Results: The mean age of patients were 56 ± 15 years and 61 ± 17 years between Ivabradine and Non-ivabradine groups. EF upon discharge was 37.48% ± 5.34% vs 40.01% ± 8. 12%, with p-value of 0.036. At discharge, higher HR was noted in patients with Ivabradine 84 ± 13 bpm compared to 77.84 ± 12. 13 bpm in patients without Ivabradine (p-value = 0.006). After a year, HR in Ivabradine group was low compared to non-Ivabradine group, but was not statistically significant, 66.15 ± 8 vs. 69.29 ± 11.3 bpm, respectively. In the Ivabradine group 27.4% of patients visited emergency room (ER) more than once compared to 60.2 % without Ivabradine (p-value = 0.0001). 9.7% of patients in Ivabradine group required one readmission compared to 55.9% without Ivabradine (p-value = 0.0001). Conclusions: In ADCHF patients there was significant reduction in ER room visit and re-admission rate in patients discharged with Ivabradine. Hence Ivabradine therapy may be considered in patients with ADCHF with EF < 50% and HR > 70 bpm to prevent re-hospitalization and save hospitalization costs

Multi-Factorial Causes of Torsade De Pointes in a Hospitalised Surgical Patient

A 55-year-old chronic alcoholic male known to be positive for human immunodeficiency virus (HIV) was admitted to a surgical ward following perianal abscess drainage. He was noted to have sinus bradycardia, ventricular premature complexes, and mild hypotension. His laboratory investigations revealed mild hypokalaemia. He was intermittently agitated and alcohol withdrawal syndrome (AWS) was diagnosed. Postoperatively, he received intravenous piperacillin/tazobactam and metronidazole infusions along with a small dose of dopamine. Analysis of a 24-hour Holter monitor (ECG) showed a prolonged QT interval with two episodes of self-terminating torsade de pointes. His AWS was treated, hypokalaemia was corrected, and dopamine, along with antibiotics, was withdrawn. There was no recurrence of arrhythmias. This case highlights the importance of avoiding QT-prolonging drugs in hospitalised patients, since hospitalised patients often have multiple risk factors for a proarrhythmic response.

Pericardial Effusion in a Patient with Non-ST-Elevation Myocardial Infarction: Beware of a Hidden Malefactor

Pericarditis with pericardial effusion in acute coronary syndrome is seen in patients with ST-elevation myocardial infarction specifically when infarction is anterior, extensive, and Q wave. It is very uncommon to have pericardial effusion in a patient with non-ST-elevation myocardial infarction. We present an elderly hypertensive patient who was diagnosed as non-ST-elevation myocardial infarction with pericardial effusion that turned out to be acute aortic dissection with catastrophic end. We conclude that, in patients with suspected diagnosis of non-ST-elevation myocardial infarction or unstable angina, if pericardial effusion is detected on echocardiography, aortic dissection needs to be considered.</jats:p

Epidemiology of Diabetes Mellitus in Oman : Results from two decades of research

Objectives: This study aimed to describe the epidemiology of diabetes mellitus over the past two decades in Oman, particularly in terms of its prevalence and incidence. In addition, the study sought to estimate the future incidence of diabetes in Oman. Methods: Three national and three regional surveys conducted between 1991 and 2010 were analysed to obtain the age-adjusted prevalence and undiagnosed proportion of type 2 diabetes mellitus (T2DM) among Omani subjects aged ≥20 years. Diabetes mellitus registers and published studies were used to determine incidence rates of both type 1 diabetes mellitus (T1DM) and T2DM in Oman. Linear regression was used to determine trends and projections for diabetes in 2050. Results: The age-adjusted prevalence of T2DM in Oman varied from 10.4% to 21.1%, while the highest prevalence of impaired fasting glucose was found in males (35.1%). In comparison to men, higher incidence rates of T2DM were found in women (2.7 cases compared to 2.3 cases per 1,000 person-years, respectively). No significant trends were observed for the prevalence or incidence of T2DM in both genders. Undiagnosed T2DM was more common in men (range: 33–68%) than women (range: 27–53%). The results of this study show that by 2050, there will be an estimated 350,000 people with T2DM living in Oman (a 174% increase compared to estimates for 2015). Conclusion: Health authorities need to prioritise diabetes prevention and control in order to prevent or delay long-term complications and avert a potential epidemic of diabetes in Oman

Development and Validation of R-hf Risk Score in Acute Heart Failure Patients in the Middle East

Objectives: The Rajan’s heart failure (R-hf) score was proposed to aid risk stratification in heart failure patients. The aim of this study was to validate R-hf risk score in patients with acute decompensated heart failure. Methods: R-hf risk score is derived from the product estimated glomerular filtration rate (mL/min), left ventricular ejection fraction (%), and hemoglobin levels (g/dL) divided by N-terminal pro-brain natriuretic peptide (pg/mL). This was a multinational, multicenter, prospective registry of heart failure from seven countries in the Middle East. Univariable and multivariable logistic regression was applied. Results: A total of 776 patients (mean age = 62.0±14.0 years, 62.4% males; mean left ventricular ejection fraction = 33.0±14.0%) were included. Of these, 459 (59.1%) presented with acute decompensated chronic heart failure. The R-hf risk score group (≤ 5) was marginally associated with a higher risk of all-cause cumulative mortality at three months (adjusted odds ratio (aOR) = 4.28; 95% CI: 0.90–20.30; p =0.067) and significantly at 12 months (aOR = 3.84; 95% CI: 1.23–12.00; p =0.021) when compared to those with the highest R score group (≥ 50). Conclusions: Lower R-hf risk scores are associated with increased risk of all-cause cumulative mortality at three and 12 months