Publications by authors named "Changal Khalid Hamid"

Background: Data regarding ischemic postconditioning during percutaneous coronary intervention (PCI) as compared conventional PCI alone has yielded conflicting results.

Methods: Online databases comparing use of ischemic postconditioning percutaneous coronary intervention (ICP-PPCI) in STEMI patients with conventional PPCI were selected. Mortality, heart failure (HF), myocardial infarction (MI), and major adverse cardiac events (MACE) were evaluated.

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Background: Literature on bioresorbable-polymer-stents (BPS) and second-generation durable-polymer-stents (DPS) in percutaneous coronary intervention (PCI) for all comer CAD is conflicting.

Methods: Randomized controlled studies comparing PCI among BPS and second-generation DPS were identified up until May-2020 from online databases.  Primary outcomes included are all-cause myocardial infarction (MI), cardiac-death, target-vessel-revascularization (TVR), target-vessel MI (TVMI), and stent-thrombosis (ST).

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Background: Coronary ectasia (CE) is defined as dilation of the coronary artery, 1.5 times that of the surrounding vessel. Outcomes of percutaneous intervention (PCI) in patients with CE presenting as ST-elevated myocardial infarction (STEMI) remain a topic of debate.

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Background: Management of chronic total occlusions (CTO) in diabetics is challenging, with a recent trend towards early revascularization [ER: Percutaneous coronary intervention (PCI) and bypass grafting] instead of optimal medical therapy (OMT). We hypothesize that ER improves morbidity and mortality outcomes in diabetic patients with CTOs as compared to OMT.

Aim: To determine the long term clinical outcomes and to compare morbidity and mortality between OMT and ER in diabetic patients with CTOs.

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Objectives: We aim to determine if drug eluting stents (DES) are better than bare-metal stents (BMS) in large coronary artery (diameter ≥ 3 mm) percutaneous coronary intervention (PCI).

Background: DES have become the standard of care for PCI in coronary artery disease (CAD). However, the superiority of DES over BMS in large vessel CAD is not clear and previous studies have shown conflicting results.

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Objectives: Endovascular therapy (EVT) has emerged as an alternative to surgery for the treatment of symptomatic infrarenal aortic stenosis (IAS). However, long-term outcomes with EVT are unknown.

Methods: We performed a retrospective review of patients with IAS treated with the endovascular approach at the University of Toledo Medical Center, Toledo, Ohio.

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Introduction: Endothelial dysfunction is an early marker of atherosclerosis. Flow-mediated dilation (FMD), measured by ultrasonography, is used to noninvasively assess endothelial dysfunction. Preparations of curcumin, a naturally occurring pigment found in turmeric, may improve FMD and thus endothelial dysfunction.

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Introduction: Common femoral endarterectomy (CFE) has been the therapy of choice for common femoral artery atherosclerotic disease (CFA-ASD). In the past, there was inhibition to treat CFA-ASD endovascularly with stents due to fear of stent fracture and compromise of future vascular access site. However, recent advances and new evidence suggest that CFA may no longer be a 'stent-forbidden zone'.

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The management of lower extremities peripheral arterial disease (LE-PAD) has always been debatable. We sought to explore in-hospital outcomes in hospitalizations that underwent endovascular or bypass surgery for LE-PAD from nation's largest, publicly available database. The National Inpatient Sample from 2012 to 2014 was queried to identify adult hospitalizations underwent endovascular management and bypass surgery for LE-PAD.

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Biliary obstruction is a rare presentation of abdominal aortic aneurysm (AAA). The most common symptoms of AAA are abdominal or back pain and limb ischaemia from thromboembolism. We report a case of a 67-year-old male who was diagnosed with obstructive jaundice secondary to an AAA.

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Rectus sheath haematoma is a rare cause of abdominal pain. It can be easily confused for other causes of acute abdomen and may even lead to unnecessary laparotomies. Our patient has the rectus sheath haematoma because of violent coughing and on presentation had no obvious clinical sign pointing to the same.

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Article Synopsis
  • A study compared the transradial and transfemoral routes for percutaneous coronary interventions (PCI) in 400 cardiology patients, focusing on operability, procedure time, complications, and failure rates.
  • The results showed that while transradial access had longer access and fluoroscopy times, it resulted in fewer complications like bleeding and hematomas compared to the transfemoral approach.
  • The researchers concluded that despite the increased access time, the transradial route is preferable for PCI due to its lower complication rates and recommended its use.
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Background: Secondary dengue causes more severe disease than the primary. Early on, it is important to differentiate the two. We tried to find important clinical and laboratory differences between the two for the purpose of early differentiation.

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Background: The clinical presentation of non-Hodgkin lymphoma (NHL) varies tremendously depending upon the type of lymphoma and the areas of involvement. NHL can rarely present as an abdominal mass compressing the inferior vena cava. The clinical presentation due to obstruction of inferior vena cava has often been called the inferior vena cava syndrome (IVCS).

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Background: Metastatic renal cell carcinoma (mRCC) has historically been refractory to cytotoxic and hormonal agents. IL-2 and IFN-α provide response in a minority of patients. Small molecule tyrosine kinase inhibitors and monoclonal antibodies have established a role in the setting of mRCC.

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Peripheral primitive neuroectodermal tumor (PNET) is a malignant tumor of the young, usually found in bony structures. It is extremely rare to find it in the breast. Only 9 cases have been reported in the medical literature.

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Background: Coronary artery disease (CAD) is a major cause of death and disability in developed countries. Chronic stable angina is the initial manifestation of CAD in approximately 50% of the patients. Recent evidence suggests that vitamin D is crucial for cardiovascular health.

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SLE affects almost every organ system, with differing degrees of severity. During its clinical course periods of flares may alternate with periods of remission culminating in disease and therapy related damage. We describe a case of ANA negative SLE with severe thrombocytopenia, cutaneous vasculitis, antiphospholipid antibody syndrome, and pulmonary artery hypertension.

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Neisseria lactamica, a commensal, has been very rarely reported to cause diseases in immunocompromised hosts. In medical literature, there is only one report of a cavitatory lung lesion caused by it. The patient was a kidney transplant recipient.

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Purpose: This case report demonstrates that if serum sodium is re lowered early in the course of Osmotic demyelination syndrome (ODS), many of its devastating consequences may be avoided. In animal models, initiation of re-lowering within four hours of symptom onset has been associated with better outcomes than initiation within eight to ten hours of symptom onset. As there is no effective therapy for the condition we suggest a trial of re lowering of serum sodium early in its course.

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Primitive neuroectodermal tumours (PNETs) are malignant tumours composed of small round cells of neuroectodermal origin that affect soft tissue and bone. PNETs originating in the pancreas are extremely rare; previous to this report, only 14 cases were reported worldwide, making this case the fifteenth in the world and the second in Asia. We present the case of a painful pancreatic lump diagnosed as PNET of the pancreas after a thorough workup.

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Background: Human immunodeficiency virus type 1 (HIV-1)-seropositive patients are at a high risk for the development of a variety of acute and chronic renal diseases. Most patients with HIVAN are of African descent, presenting late in the course of their HIV-1 infection. The only reliable test to establish or rule out the presence of HIVAN (HIV associated nephropathy) is renal biopsy.

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