Publications by authors named "Sumair Ahmad"

Acute esophageal necrosis is a rare esophageal disease, typically characterized by the circumferential black appearance of the esophagus mucosa that usually affects the distal esophagus. It commonly affects elderly men with multiple comorbidities. In the medical literature, some cases have been reported regarding acute necrotizing esophagus, but according to our knowledge, only one case has been reported concerning a patient with ischemic duodenum and esophagus.

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Cytomegalovirus (CMV) infections are asymptomatic in immunocompetent patients but in immunocompromised patients, CMV infections have varying manifestations depending on their location. Patient who are organ transplant recipients, taking immunosuppressive therapy for a long time are at increased risk of CMV infections. CMV-induced gastric ulcer is very rare but many cases have been reported in the literature.

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Background: Cardiovascular morbidity and mortality in heart failure (HF) patients comprise a major health and economic burden, especially when readmission rate and length of stay (LOS) are considered. With increasing average life expectancy, HF prevalence continues to rise. Diseases such as diabetes mellitus, hypertension and ischemic heart disease continue to be the leading causes of HF.

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Objective: In this study, we assessed the risk factor profile in premature coronary artery disease (CAD) and acute coronary syndrome for adults ≤40 years old.

Methods: A retrospective chart analysis of 397 patients ≤40 years old admitted from 2005 to 2014 for chest pain and who underwent coronary arteriography.

Results: Of 397 patients that had undergone coronary arteriography, 54% had CAD while 46% had normal coronary arteries.

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Squamous cell carcinoma (SCC) of the rectum is a rare occurrence with an incidence rate of 0.1-0.25% per 1,000 cases.

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Background: The pro-atherosclerotic nature of vitamin D deficiency has been shown to increase cardiovascular events. We further emphasized and evaluated the severity of coronary artery disease (CAD) with varying levels of vitamin D in relation to age, gender, ethnicity and baseline confounders.

Methods: A retrospective, single-center study of 9,399 patients admitted between 2005 and 2014 for chest pain who underwent coronary angiography.

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