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REVIEW ARTICLE
Contrast-induced nephropathy
Nazar M. A. Mohammed, Ahmed Mahfouz, Katafan Achkar, Ihsan M Rafie, Rachel Hajar
July-September 2013, 14(3):106-116
DOI
:10.4103/1995-705X.125926
PMID
:24696755
Contrast-induced nephropathy (CIN) is a serious complication of angiographic procedures resulting from the administration of contrast media (CM). It is the third most common cause of hospital acquired acute renal injury and represents about 12% of the cases. CIN is defined as an elevation of serum creatinine (Scr) of more than 25% or ≥0.5 mg/dl (44 μmol/l) from baseline within 48 h. More sensitive markers of renal injury are desired, therefore, several biomarkers of tubular injury are under evaluation. Multiple risk factors may contribute to the development of CIN; these factors are divided into patient- and procedure-related factors. Treatment of CIN is mainly supportive, consisting mainly of careful fluid and electrolyte management, although dialysis may be required in some cases. The available treatment option makes prevention the corner stone of management. This article will review the recent evidence concerning CIN incidence, diagnosis, and prevention strategies as well as its treatment and prognostic implications.
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734
ORIGINAL ARTICLES
Epicardial fat and its association with cardiovascular risk: A cross-sectional observational study
Farouk Mookadam, Ramil Goel, Mohsen S Alharthi, Panupong Jiamsripong, Stephen Cha
October-December 2010, 11(3):103-108
DOI
:10.4103/1995-705X.76801
PMID
:21577377
Background:
The association between visceral obesity and cardiovascular risk has been well described. Some studies show a proportional relationship between the presence of visceral obesity and epicardial fat. Measuring the amount of epicardial adipose tissue (EAT) can be a novel parameter that is inexpensive and easy to obtain and may be helpful in cardiovascular risk stratification. However, the relationship between epicardial fat and cardiac function and that between epicardial fat and cardiac risk factors is less well described.
Objectives:
To evaluate the association between echocardiographic epicardial fat and the morphologic and physiologic changes observed at echocardiography and to evaluate the association between epicardial fat and cardiac risk factors. A cross-sectional study of 97 echocardiographic studies (females, n = 42) was conducted. Two groups were identified: epicardial fat ≥ 5 mm (group I) and <5 mm (group II).
Results:
Epicardial fat >5 mm was associated with LA enlargement, with lower ejection fraction, increased left ventricular mass, and abnormal diastolic function. On a multivariable regression analysis, all these parameters also correlated individually with EAT thickness independent of age. Hyperglycemia (DM), systolic hypertension, and lipid parameters for metabolic syndrome showed a trend for positive association, but this was not statistically significant. The association was not significant even for higher cutoff limits of EAT thickness.
Conclusion:
Epicardial fat >5 mm is associated with cardiac abnormalities on echocardiography. This is a sensitive assessment of body fat distribution, is easily available at echocardiography, and is simple to acquire at no added cost. Further studies looking at the appropriate cut-off thickness of EAT and the sites of measurement to be used are needed. Comparison of this simple and inexpensive measure with other measures of obesity, such as waist-hip ratio, body mass index, Dexa scan of visceral fat, and magnetic resonance imaging of visceral, are needed.
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25
9,761
281
REVIEW ARTICLES
Pregnancy-related spontaneous coronary artery dissection: Two case reports and a comprehensive review of literature
Azeem S Sheikh, Michael O'Sullivan
April-June 2012, 13(2):53-65
DOI
:10.4103/1995-705X.99229
PMID
:22919449
Spontaneous coronary artery dissection is a rare cause of acute coronary syndrome, particularly seen in women during pregnancy or in the puerperium. It has a high acute phase mortality. The etiology is uncertain. Hormonal changes during pregnancy, hemodynamic stress and changes in the autoimmune status have been considered as possible etiological factors. A timely diagnosis and institution of appropriate treatment is important for a successful outcome. There is no consensus of opinion for optimal treatment. Conservative management, coronary artery bypass graft surgery, and percutaneous coronary intervention, all have been described in the literature as possible therapeutic options. Spontaneous coronary artery dissection should be considered as a differential in any young woman presenting with chest pain associated with pregnancy. We report two cases of pregnancy-associated spontaneous coronary artery dissection, both successfully managed, along with a comprehensive review of the previously published literature.
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22
13,096
211
REVIEW ARTICLE
Atrial fibrillation post cardiac surgery trends toward management
Awad A.R. Alqahtani
June-Aug 2010, 11(2):57-63
DOI
:10.4103/1995-705X.73212
PMID
:21187998
Post operative atrial fibrillation (POAF) is more common than before due to increased numbers of cardiac surgeries. This in turn is associated with increased incidence of post operative complication, length of hospital stay and subsequent increase the cost of hospitalization. Therefore preventing and/or minimizing atrial fibrillation by pharmacological or nonpharmacological means is a reasonable goal. POAF has also been associated with postoperative delirium and neurocognitive decline. The precise pathophysiology of POAF is unknown, however most of the evidence suggests it is multifactorial. Different risk factors have been reported, and many studies have evaluated the prophylactic effects of different interventions. This review article highlights the incidence, risk factors, and pathogenesis, prevention, and treatment strategies of POAF.
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17
6,828
292
Coronary perforation and covered stents: An update and review
Mohammed Al-Mukhaini, Prashanth Panduranga, Kadhim Sulaiman, Abdulla Amour Riyami, Mohammed Deeb, Mohamed Barkat Riyami
April-June 2011, 12(2):63-70
DOI
:10.4103/1995-705X.86017
PMID
:22121463
Coronary perforation is a rare complication of percutaneous coronary intervention. We present two different types of coronary intervention, but both ending with coronary perforation. However, these perforations were tackled successfully by covered stents. This article reviews the incidence, causes, presentation, and management of coronary perforation in the present era of aggressive interventional cardiology. Coronary perforations are classified as type I (extraluminal crater), II (myocardial or pericardial blushing), and III (contrast streaming or cavity spilling). Types I and II coronary perforations are caused by stiff or hydrophilic guidewires. Type I has a benign prognosis, whereas type II coronary perforations have the potential to progress to tamponade. Type III coronary perforations are caused by balloons, stents, or other intracoronary devices and commonly lead to cardiac tamponade necessitating pericardial drainage. However, type III perforations can be managed with covered stents without need for surgical intervention.
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17
7,595
361
ORIGINAL ARTICLES
Rationale, design, methodology and hospital characteristics of the first gulf acute heart failure registry (gulf care)
Kadhim J Sulaiman, Prashanth Panduranga, Ibrahim Al-Zakwani, Alawi Alsheikh-Ali, Khalid Al-Habib, Jassim Al-Suwaidi, Wael Al-Mahmeed, Husam Al-Faleh, Abdelfatah El-Asfar, Ahmed Al-Motarreb, Mustafa Ridha, Bassam Bulbanat, Mohammed Al-Jarallah, Nooshin Bazargani, Nidal Asaad, Haitham Amin
January-March 2014, 15(1):6-12
DOI
:10.4103/1995-705X.132137
PMID
:24949181
Background:
There is paucity of data on heart failure (HF) in the Gulf Middle East. The present paper describes the rationale, design, methodology and hospital characteristics of the first Gulf acute heart failure registry (Gulf CARE).
Materials and Methods:
Gulf CARE is a prospective, multicenter, multinational registry of patients >18 year of age admitted with diagnosis of acute HF (AHF). The data collected included demographics, clinical characteristics, etiology, precipitating factors, management and outcomes of patients admitted with AHF. In addition, data about hospital readmission rates, procedures and mortality at 3 months and 1-year follow-up were recorded. Hospital characteristics and care provider details were collected. Data were entered in a dedicated website using an electronic case record form.
Results:
A total of 5005 consecutive patients were enrolled from February 14, 2012 to November 13, 2012. Forty-seven hospitals in 7 Gulf States (Oman, Saudi Arabia, Yemen, Kuwait, United Gulf Emirates, Qatar and Bahrain) participated in the project. The majority of hospitals were community hospitals (46%; 22/47) followed by non-University teaching (32%; 15/47 and University hospitals (17%). Most of the hospitals had intensive or coronary care unit facilities (93%; 44/47) with 59% (28/47) having catheterization laboratory facilities. However, only 29% (14/47) had a dedicated HF clinic facility. Most patients (71%) were cared for by a cardiologist.
Conclusions:
Gulf CARE is the first prospective registry of AHF in the Middle East, intending to provide a unique insight into the demographics, etiology, management and outcomes of AHF in the Middle East. HF management in the Middle East is predominantly provided by cardiologists. The data obtained from this registry will help the local clinicians to identify the deficiencies in HF management as well as provide a platform to implement evidence based preventive and treatment strategies to reduce the burden of HF in this region.
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15
4,074
165
REVIEW ARTICLE
Cardioprotective effects of ghrelin in heart failure: From gut to heart
Mahalaqua Nazli Khatib, Padam Simkhada, Dilip Gode
July-September 2014, 15(3):74-76
DOI
:10.4103/1995-705X.144792
PMID
:25538820
Chronic heart failure (CHF) is a major cause of morbidity and mortality. Cardioprotective effects of ghrelin, especially in its acylated form have been demonstrated in heart failure (HF) models and exploratory human clinical studies. Hence, it has been proposed for the treatment of HF. However, the underlying mechanism of its protective effects against HF remains unclear. Future researches are needed to evaluate the efficacy of Ghrelin as a new biomarker and prognostic tool and for exploring its therapeutic potential in patients suffering from CHF.
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140
ORIGINAL ARTICLES
Effects of Combined Early In-Patient Cardiac Rehabilitation and Structured Home-based Program on Function among Patients with Congestive Heart Failure: A Randomized ontrolled Trial
Abraham Samuel Babu, Arun G Maiya, M Milton George, Ramachandran Padmakumar, Vasudeva Guddattu
July-September 2011, 12(3):99-103
DOI
:10.4103/1995-705X.95064
PMID
:22567195
Aims:
To determine the effects of combined in-patient rehabilitation with a home-based program on function and quality of life.
Setting and Design:
Tertiary care, university teaching hospital, randomized controlled trial.
Patients and Methods:
Thirty admitted patients with congestive heart failure with New York Heart Association class II -IV. A five step individualised phase-1 cardiac rehabilitation program followed by a structured home based rehabilitation for eight weeks was given to the experimental group while the control group only received physician directed advice. Six minute walk distance was assessed at discharge and follow-up, while quality of life (SF36) was assessed at admission, discharge, and follow-up.
Statistical analysis used:
Independent
t
-test, paired
t
-test and repeated measures ANOVA with Bonferroni post-hoc analysis.
Results:
At admission patients in both the groups were comparable. After the phase-1 cardiac rehabilitation, there was a change in the six minute walk distance between control and experimental group (310 m vs. 357 m, respectively;
P
= 0.001). Following the eight week home-based program, there was a greater increase in six minute walk distance in the experimental group when compared to the control group (514 m vs. 429 m;
P
< 0.001). Quality of life as measured by the SF-36 at the end of 8-weeks showed a statistically significant difference (
P
< 0.05) in the experimental group for both the mental and physical components.
Conclusion:
Early in-patient rehabilitation followed by an eight week home based exercise program improves function and quality of life in patients with congestive heart failure.
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Coronary artery disease in patients aged 35 or less - A different beast?
T Christus, AM Shukkur, I Rashdan, T Koshy, M Alanbaei, M Zubaid, N Hayat, A Alsayegh
January-March 2011, 12(1):7-11
DOI
:10.4103/1995-705X.81550
PMID
:21731802
Aim:
To assess the extent and severity of coronary artery disease (CAD) in 200 consecutive patients aged 35 years or less undergoing diagnostic coronary angiography.
Patients and Methods:
Findings in these 200 patients (≤ 35 years of age) were analyzed to find the extent and severity of CAD. The mean age was 31.69 (±3.76) years. Majority were males (94%) and from the Arab ethnicity (70.5%).
Result:
Smoking (71%) and history of premature CAD (27%) were the most frequent risk factors (RF). History of previous ST elevation myocardial infarction (MI) was present in 68%. Anterior wall MI was the most frequent location (63.3%). The majority (54.3%) had moderate or large size MI. Ejection fraction (EF) less than 50% was noted in 30.3%. Left main or triple vessel CAD was seen in 15%. One- and two-vessel CAD was seen in 32.5% and 19% patients, respectively. Coronary angiogram was completely normal in 23.5%. The majority (54.5%) were treated conservatively and the rest (45.5%) needed percutaneous coronary intervention (PCI) or coronary artery bypass graft (CABG). The mean number of stents used was 1.3 ± 0.67 and the mean length of stents used was 20.3 ± 12.6 mm.
Conclusion:
The extent and severity of CAD was very significant in this subgroup of very young (≤35 years) Asian patients. Smoking was the main risk factor and half of the patients needed either PCI or CABG.
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11
4,988
368
Acute coronary syndrome in young adults from Oman: Results from the gulf registry of acute coronary events
Prashanth Panduranga, Kadhim Sulaiman, Ibrahim Al-Zakwani, Said Abdelrahman
October-December 2010, 11(3):93-98
DOI
:10.4103/1995-705X.76799
PMID
:21577375
Objective:
To assess the prevalence, risk factors, presenting features, and in-hospital outcomes of acute coronary syndrome (ACS) patients ≤40 years of age from Oman.
Methods:
Data were analyzed from 1579 consecutive ACS patients from Oman during May, 2006 to June, 2007, as part of Gulf RACE (Registry of Acute Coronary Events). ACS patients ≤40 years of age were compared with patients >40 years of age.
Results:
A total of 121 (7.6%) patients were ≤40 years of age with mean age of 36 ± 4
vs
. 61 ± 11 years in young and old adults, respectively (
P
<0.001). More men were seen in the younger age group (81
vs.
60%;
P
<0.001). Among all the coronary risk factors, young patients had more history of smoking (47
vs
. 15%;
P
<0.001), obesity (72
vs
. 58%;
P
= 0.009), and family history of coronary artery disease (CAD) (16
vs
. 7%;
P
= 0.001). Both groups received aspirin, statins, thrombolytic therapy, and anticoagulants equally; however, younger patients received clopidogrel, glycoprotein IIb/IIIa inhibitors, b-blockers, and in-hospital coronary angiogram more. Younger patients experienced less heart failure (6
vs.
27%;
P
<0.001) and in-hospital mortality, especially among STEMI patients (0
vs
. 10%;
P
= 0.037).
Conclusions:
Young ACS patients from Oman have different risk profile. They were treated more aggressively and their outcome was better, which is similar to other populations. However, smoking, along with obesity and family history of CAD were strong risk factors in the young Omani ACS patients. There is a need for prevention programmes to control smoking and obesity epidemic by targeting young adults in the population.
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11
5,076
264
Transcatheter closure of patent ductus arteriosus using ADO device: Retrospective study of 149 patients
Sadiq M Al-Hamash, Hussein Abdul Wahab, Zayir H Khalid, Isam V Nasser
January-March 2012, 13(1):1-6
DOI
:10.4103/1995-705X.96658
PMID
:22754633
Background:
Patent ductus arteriosus (PDA) is a common form of congenital heart disease and forms about 5-10% of congenital heart diseases. Surgical closure is safe and effective; however, certain patients may experience some morbidity. Recently, transcatheter closure of PDA using the Amplatzer duct occluder has been shown to be safe and efficacious.
Objectives:
To evaluate whether transcatheter closure with this device offers an alternative to surgical closure of PDA.
Patients and Methods:
Between July 2006 to July 2008, 149 patients (98 females and 51 males) with PDA underwent cardiac catheterization in an attempt to close their PDA by transcatheter approach using Amplatzer duct occluder device.
Results:
The patient's age ranged from 4 months to 45 years (median 5 years). Successful PDA closure was achieved in 136 patients (91.2%) with 100% complete closure rate within 24 hours after the procedure. Thirteen patients (8.7%) had unsuccessful attempts, 11 (7.3%) of them had failure of deployment of the device, while embolization of the device occurred in two of the patients (1.3%).
Conclusions:
Amplatzer duct occluder device is safe and effective for closure of different types and sizes of PDA with low rate of complication.
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10
8,310
321
C-reactive protein as a predictor of adverse outcome in patients with acute coronary syndrome
AS Sheikh, S Yahya, NS Sheikh, AA Sheikh
January-March 2012, 13(1):7-12
DOI
:10.4103/1995-705X.96660
PMID
:22754634
Background and Objectives:
The acute-phase reactant C-reactive protein (CRP) has been shown to reflect systemic and vascular inflammation and to predict future cardiovascular events. The objective of this study was to evaluate the prognostic value of CRP in predicting cardiovascular outcome in patients presenting with acute coronary syndromes.
Patients and Methods:
This prospective, single-centered study was carried out by the Department of Pathology in collaboration with the Department of Cardiology, Bolan Medical College Complex Quetta, Balochistan, Pakistan from January 2009 to December 2009. We studied 963 consecutive patients presenting with chest pain to Accident and Emergency Department. Patients were divided into four groups. Group-1 comprised patients with unstable angina; group-2 included patients with acute ST elevation myocardial infarction (STEMI); group-3 comprised patients with Non-ST elevation myocardial infarction (Non-STEMI) and group-4 was the control group. All four groups were followed-up for 90 days for occurrence of cardiovascular events.
Results:
The CRP was elevated (>3 mg/L) among 27.6% patients in Group-1; 70.9% in group- 2; 77.9% in group-3 and 5.3% in the control group. Among cases with elevated CRP, 92.1% had a cardiac event compared to 34.3% among patients with CRP £3 mg/L (
P
< 0.0001). The mortality was significantly higher (
P
< 0.0001) in group-2 (8.9%) and group-3 (11.9%) as compared to group-1 (2.1%). There was no cardiac event or mortality in Group-4.
Conclusions:
Elevated CRP is a predictor of adverse outcome in patients with acute coronary syndromes and helps in identifying patients who may be at risk of cardiovascular complications.
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9
3,892
248
Lipoprotein (a) levels in relation to severity of coronary artery disease in north Indian patients
Fauzia Ashfaq, Pravin Kumar Goel, Rishi Sethi, Mohd Idrees Khan, Wahid Ali, Mohd Zafar Idris
January-March 2013, 14(1):12-16
DOI
:10.4103/1995-705X.107114
PMID
:23580919
Background:
Lipoprotein (a) [Lp (a)] is an established risk marker of coronary artery disease which is independent from other risk factors.
Objective:
The aim was to address the association between Lp (a) and CAD risk in North Indians. To evaluate whether high levels of lipoprotein (a) [Lp (a)] is a predictor of risk and is related to the severity of CAD.
Materials and Methods:
This was a cross-sectional study done on 360 patients presenting with chest pain. Coronary angiography revealed CAD in 270 patients and 90 patients without CAD. Lipoprotein (a) level, lipid profile, fasting blood glucose, anthropometric and clinical parameters were analyzed.
Results:
Lipoprotein (a) 21.0 mg/dL is associated with the presence of coronary lesions (
P
= 0.0001). A highly significant difference in Lp (a) levels was observed between normal coronaries vs. single-vessel disease, double-and triple-vessel disease (
P
< 0.0001). Body mass index (BMI) was significantly raised in CAD group compared to normal coronary.
Conclusion:
Multivariate analysis found that Lp (a) was considered an independent predictor for severity of CAD and Lp (a) levels 21.0 mg/dL are associated with severe patterns of coronary atherosclerosis.
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9
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313
The efficacy of hydration with normal saline versus hydration with sodium bicarbonate in the prevention of contrast-induced nephropathy
Khalil Mahmoodi, Bahram Sohrabi, Farzad Ilkhchooyi, Majid Malaki, Mortaza E Khaniani, Mehdi Hemmati
April-June 2014, 15(2):33-36
DOI
:10.4103/1995-705X.137489
PMID
:25104980
Background:
Contrast-induced acute kidney injury [contrast-induced nephropathy (CIN)] is one of the major causes of hospital-acquired acute renal failure. Volume supplementation is the most effective strategy to prevent acute renal failure caused by contrast; but the effects of sodium bicarbonate regimens are unknown in CIN prevention. The aim of this survey is to compare the efficacy of hydration with normal saline versus hydration with sodium bicarbonate in the prevention of the CIN in patients undergoing coronary angiography.
Materials and Methods:
In a clinical trial, 350 patients undergoing coronary interventions were randomized into two groups: One group received normal saline and another group received sodium bicarbonate before and after infusion of the contrast. Patients in both the groups had received
N
-acetylcysteine. CIN was defined as relative increase in serum creatinine equal to or more than 25% of baseline or increase to 0.5 mg/dl in 48 h after the injection of the contrast.
Results:
CIN was seen in 46 patients (13.1%) after coronary interventions. Incidence of CIN in patients receiving normal saline (19.4%) was more than in patients receiving sodium bicarbonate (6.9%) (
P
= 0.001). Hemodialysis was needed only in one patient who received saline normal. Relative risk to induce CIN in both groups was as 2.8 and was in the range of 1.50-5.25 with confidence interval of 95% and
P
= 0.001. Thus, the probability of CIN was significantly more in the usage of normal saline.
Conclusion:
This survey showed that hydration with sodium bicarbonate is superior to hydration with normal saline and has better protection effects.
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296
CASE REPORTS
Acute cardiac toxicity of
Nerium oleander/indicum
poisoning (Kaner) poisoning
Ibraheem Khan, Chandra Kant, Anil Sanwaria, Lokesh Meena
October-December 2010, 11(3):115-116
DOI
:10.4103/1995-705X.76803
PMID
:21577379
We present a case of oleander leaf extract poisoning manifested by vomiting, lightheadedness, and heart block. Practicing physicians should understand the potential lethal properties of oleander and its availability throughout the world.
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8
6,458
268
ORIGINAL ARTICLES
Effect of short-term pranayama and meditation on cardiovascular functions in healthy individuals
Roopa B Ankad, Anita Herur, Shailaja Patil, GV Shashikala, Surekharani Chinagudi
April-June 2011, 12(2):58-62
DOI
:10.4103/1995-705X.86016
PMID
:22121462
Context:
Asana, pranayama, and meditation are three main techniques of yoga practiced in India over thousands of years to attain functional harmony between the body and mind. Recent studies on long-term yogic practices have shown improvements in cardiovascular functions.
Aim:
The present study was conducted to ascertain if a short-term practice of pranayama and meditation had improvements in cardiovascular functions in healthy individuals with respect to age, gender, and body mass index (BMI).
Settings and Design:
This interventional study was conducted in the Department of physiology of S.N. Medical College, Bagalkot.
Patients and Methods:
Fifty healthy subjects (24 males and 26 females) of 20−60 years age group, fulfilling the inclusion and exclusion criteria underwent two hours daily yoga program for 15 days taught by a certified yoga teacher. Pre and post yoga cardiovascular functions were assessed by recording pulse rate, systolic blood pressure, diastolic blood pressure, and mean blood pressure.
Statistical analysis used:
The parameters were analyzed by Student's
t
test.
Results:
There was significant reduction in resting pulse rate, systolic blood pressure, diastolic blood pressure, and mean arterial blood pressure after practicing pranayama and meditation for 15 days. The response was similar in both the genders, both the age groups, <40 yrs and >40 yrs and both the groups with BMI, <25 kg/m
2
and >25 kg/m
2
.
Conclusion:
This study showed beneficial effects of short term (15 days) regular pranayama and meditation practice on cardiovascular functions irrespective of age, gender, and BMI in normal healthy individuals.
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293
CASE REPORTS
Takayasu's arteritis associated with tuberculosis in a young Yemeni woman
Khaled Al-Aghbari, Ahmed Al-Motarreb, Faiza Askar
October-December 2010, 11(3):117-120
DOI
:10.4103/1995-705X.76804
PMID
:21577380
Takayasu's arteritis (TA) is an autoimmune disease that affects the big arteries. A possible relationship between TA and tuberculosis (TB) has been suggested. Both diseases have similar chronic inflammatory lesions and occasionally granulomas on the arterial walls. We report a case of TA associated with TB.
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7
2,918
121
ORIGINAL ARTICLES
Effect of exercise-based cardiac rehabilitation on ejection fraction in coronary artery disease patients: A randomized controlled trial
Mohammad H Haddadzadeh, Arun G Maiya, R Padmakumar, Bijan Shad, Fardin Mirbolouk
April-June 2011, 12(2):51-57
DOI
:10.4103/1995-705X.86013
PMID
:22121461
Background:
Exercise training as a part of cardiac rehabilitation aims to restore patient with heart disease to health. However, left ventricular ejection fraction (LVEF) is clinically used as a predictor of long-term prognosis in coronary artery disease (CAD) patients, there is a scarcity of data on the effectiveness of exercise-based cardiac rehabilitation on LVEF.
Objective:
To investigate the effectiveness of exercise-based cardiac rehabilitation on LVEF in early post-event CAD patients.
Patients and Methods:
In a single blinded, randomized controlled trial, post-coronary event CAD patients from the age group of 35-75 years, surgically (Coronary artery bypass graft or percutaneous coronary angioplasty) or conservatively treated, were recruited from Golsar Hospital, Iran. Exclusion criteria were high-risk group (AACVPR-99) patients and contraindications to exercise testing and training. Forty-two patients were randomized either into Study or Control. The study group underwent a 12-week structured individually tailored exercise program either in the form of Center-based (CExs) or Home-based (HExs) according to the ACSM-2005 guidelines. The control group only received the usual cardiac care without any exercise training. LVEF was measured before and after 12 weeks of exercise training for all three groups. Differences between and within groups were analyzed using the general linear model, two-way repeated measures at alfa=0.05.
Results:
Mean age of the subjects was 60.5 ± 8.9 years. There was a significant increase in LVEF in the study (46.9 ± 5.9 to 61.5 ± 5.3) group compared with the control (47.9 ± 7.0 to 47.6 ± 6.9) group (
P=
0.001). There was no significant difference in changes in LVEF between the HExs and CExs groups (
P=
1.0).
Conclusion:
A 12-week early (within 1 month post-discharge) structured individually tailored exercise training could significantly improve LVEF in post-event CAD patients.
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7
6,354
425
High bolus tirofiban vs abciximab in acute STEMI patients undergoing primary PCI - The tamip study
Mohammed A Balghith
July-September 2012, 13(3):85-90
DOI
:10.4103/1995-705X.102145
PMID
:23181175
Background:
Primary percutaneous coronary intervention (PCI) has been shown to be an effective therapy for patients with acute myocardial infarction (MI). Glycoprotein (GP) IIb/IIIa receptor blockers reduce thrombotic complications in patients undergoing PCI. Most available data relate to Reopro, which has been registered for this indication. GP IIb/IIIa reduce unfavorable outcome in U/A and non ST-elevation myocardial infarction (STEMI) patients. Only few studies focused on high dose Aggrastat for STEMI patients in the emergency department (ED) before PCI. The aim is to increase the patency during the time awaiting coronary angioplasty in patients with acute MI.
Objectives:
To study the effect of upfront high bolus dose (HDR) of tirofiban on the extent of residual ST segment deviation 1 hour after primary PCI and the incidence of TIMI 3 flow of the infarct-related artery (IRA).
Materials and Methods:
A randomized, open label, single center study in the ED. A total of 90 patients with acute ST-elevation MI, diagnosed clinically by ECG criteria (ST segment elevation of >2 mm in two adjacent ECG leads), and with an expectation that a patient will undergo primary PCI. Patients were aged 21-85 years and all received heparin 5000 u, aspirin 160 mg, and Plavix 600 mg. Patients were divided in two groups (group I: triofiban high bolus vs group II: Reopro) with 45 patients in each group. In group I, high bolus triofiban 25 mcg/kg over 3 min was started in the ED with maintenance infusion of 0.15 mcg/ kg/min continued for 12 hours and transferred to cath lab for PCI. Patients in group II were transferred to cath lab, where a standard dose of Reopro was given with a bolus of 0.25 mcg/kg and maintenance infusion of 0.125 mcg/kg/min over 12 hours.
Results:
ST segment resolution and TIMI flow were evaluated in both groups before and after PCI. Thirty-five patients (78%) enrolled in group I and 29 patients (64%) in group II had resolution of ST segment (
P
-value 0.24). Twenty-one patients (47% group I) vs 23 patients (51% group II) with
P
-value 0.83 achieved TIMI 0 flow. Twenty-four patients (53% group I) compared with 22 patients (49% group II) with
P
-value 0.83 had TIMI 1 to 3 flow before PCI. TIMI 3 flow was achieved in 40 patients (89% group I) compared with 38 patients (84% group II) with
P
-value 0.76.
Conclusion:
In this study there was a trend toward better ST segment resolution and patency of IRA (i.e., improved TIMI flow) in patients given high bolus dose Aggrastat in the ED. Larger studies are needed to confirm this finding.
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CASE REPORTS
A rare case of very early pacemaker Twiddler's syndrome
Saroj Mandal, Arindam Pande, Dhiman Kahali
July-September 2012, 13(3):114-115
DOI
:10.4103/1995-705X.102157
PMID
:23181182
Twiddler's syndrome, a rare but potentially lethal complication of cardiac pacemaker treatment, is generally diagnosed within the first year of implantation. It is characterized by device malfunction due to dislodgement of cardiac leads resulting from some form of manipulation by the patient. In this report we present a patient who was diagnosed Twiddler's syndrome within the initial 48 h of implantation of permanent pacemaker. In our case, passive fixation of ventricular lead perpetuated this situation and subsequent active fixation prevented any recurrence. Active fixations fixations of device leads are very much essential to prevent this catastrophic complication.
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6,698
100
HISTORY OF MEDICINE
Animal testing and medicine
Rachel Hajar
January-March 2011, 12(1):42-42
DOI
:10.4103/1995-705X.81548
PMID
:21731811
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ORIGINAL ARTICLES
Protocol-guided phase-1 cardiac rehabilitation in patients with ST-Elevation myocardial infarction in a rural hospital
Abraham Samuel Babu, Manjula Sukumari Noone, Mohammed Haneef, Shijoy M Naryanan
June-Aug 2010, 11(2):52-56
DOI
:10.4103/1995-705X.73209
PMID
:21187997
Aims:
Phase-1 Cardiac Rehabilitation (CR) is an important part in the treatment of patients with ST-Elevation Myocardial Infarction (STEMI). Lack of literature in the rural Indian setting led to the design of this study.
Setting and Design:
Secondary care rural hospital, non-randomized experimental study.
Materials and Methods:
Fifteen historical controls and 15 prospectively enrolled patients between January 2007 and December 2007. The prospectively enrolled patients received the phase-1, exercise-based, protocol-guided CR. At discharge, the six-minute walk test (6MWT) distance, Borg's Rating of Perceived Exertion (RPE) after the 6MWT, time to return to baseline parameters after the 6MWT, and complications were assessed.
Statistical Analysis used:
Independent t-test and the Mann Whitney test.
Results:
Statistically significant (
P
< 0.01) differences in ratings of perceived exertion (RPE) and time to return to baseline parameters post the 6MWT were seen in the experimental group ((2 vs. 4 and 5.47 vs. 7.93 minutes, respectively). No significant changes in the 6MWT distance between the groups were noticed (470+151.76 m and 379+170.70 m, respectively). No adverse events during the 6MWT and the phase-1 CR were observed.
Conclusion:
Protocol-guided, phase-1 CR produces a much faster return of heart rate and blood pressure to baseline following the 6MWT, without producing a great rise in the RPE during the 6MWT, which suggests a training benefit among these patients. The 6MWT can be safely administered in this rural population. However, larger studies will be required to validate these results.
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Assessment of Noninvasive Risk Markers of Subclinical Atherosclerosis in Premenopausal Women with Previous History of Gestational Diabetes Mellitus
Ritu Karoli, Zeba Siddiqi, Jalees Fatima, Vaibhav Shukla, Punj Prakash Mishra, Faraz Ahmad Khan
January-March 2015, 16(1):13-18
DOI
:10.4103/1995-705X.152995
PMID
:25838873
Introduction:
Gestational diabetes mellitus (GDM) is state of carbohydrate intolerance detected first time during pregnancy. GDM represents a significant risk factor for the development of CVD in women. The degree to which women with histories of gestational diabetes are at risk for cardiovascular disease, beyond their predisposition to future diabetes, is still unclear. The aim of our study was to assess the presence of surrogate markers of subclinical atherosclerosis which can be present in them even without developing type 2 diabetes.
Subjects and Methods:
In this descriptive cross-sectional hospital based study, 50 patients 20-45 yrs of age, premenopausal, at least 1 yr past her most recent pregnancy, and not more than 5 yr past her index pregnancy with GDM. These patients and controls who did not have GDM were assessed for carotid intima media thickness,endothelial dysfunction, epicardial fat thickness and other cardiovascular risk factors.
Results:
Women with pGDM were found to have unfavourable cardiovascular risk parameters. They also demonstrated more frequent occurrence of metabolic syndrome(64% vs 10%) than control subjects. Individual components of MS increased with increasing BMI in both the groups. As far as markers of subclinical atherosclerosis were concerned women with pGDM had significantly higher CIMT, FMD and epicardial fat thickness than control group.
Conclusion:
Women with pGDM, even before development of diabetes have significant differences in CVD risk factors when compared to those who do not have such history. Postpartum screening for glucose intolerance and efforts to minimize modifiable cardiovascular risk factors, including hypertension, viscerall adiposity, and dyslipidemia should be the most effective measures for lowering of cardiovascular risk.
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123
REVIEW ARTICLES
Giant left atrium: A review
Ahmed El Maghraby, Rachel Hajar
April-June 2012, 13(2):46-52
DOI
:10.4103/1995-705X.99227
PMID
:22919448
Giant left atrium is a rare condition, with a reported incidence of 0.3%, and following mainly rheumatic mitral valve disease. Although rheumatic heart disease represents the main cause of giant left atrium, other etiologies have been reported. Giant left atrium has significant hemodynamic effects and requires specific management. In this review, we present two cases, discuss the different definitions, etiologies, clinical presentation and management modalities.
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9,694
325
HISTORY OF MEDICINE
Medical illustration: Art in medical education
Rachel Hajar
April-June 2011, 12(2):83-91
DOI
:10.4103/1995-705X.86023
PMID
:22121469
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Online since 10
th
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