Diagnosis and Severity Criteria for Sinusoidal Obstruction Syndrome/Veno-Occlusive Disease in Children

Hepatic sinusoidal obstruction syndrome/veno-occlusive disease (SOS/VOD) is a life-threatening complication of hematopoietic cell transplantation (HCT) that belongs to a group of diseases increasingly identified as transplant-related, systemic endothelial diseases. In most cases, SOS/VOD resolves within weeks; however, severe SOS/VOD results in multi-organ dysfunction/failure with a mortality rate >80%. Continue reading

Revised Criteria for Diagnosis of Alzheimer’s Disease (AD)

The National Institute on Aging and the Alzheimer’s Association (NIA-AA) charged a workgroup with the task of developing criteria for the symptomatic predementia phase of Alzheimer’s disease (AD), referred to in this article as mild cognitive impairment due to AD.  Continue reading

MDS Clinical Diagnostic Criteria for Parkinson’s Disease (PD)

The prerequisite to apply the Movement Disorder Society (MDS-PD) criteria is the diagnosis of parkinsonism, which is based on three cardinal motor manifestations. Parkinsonism is defined as bradykinesia, in combination with either rest tremor, rigidity, or both. These features must be clearly demonstrable and not attributable to confounding factors. Continue reading

Diagnostic Criteria for Post-Traumatic Stress Disorder (PTSD)

Post-Traumatic Stress Disorder (PTSD) is a condition of persistent mental and emotional stress occurring as a result of injury or severe psychological shock, typically involving disturbance of sleep and constant vivid recall of the experience, with dulled responses to others and to the outside world.

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Classification of Peripheral Vascular Disease (PVD)

PVD can be categorized using the Fontaine or Rutherford classification system. Each system grades PVD from no symptoms to major tissue loss and can be used at diagnosis and to evaluate the progression or improvement of symptoms.

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Edinburgh Claudication Questionnaire

The Edinburgh Claudication Questionnaire has been shown to be 91 percent specific and 99 percent sensitive for diagnosing intermittent claudication in symptomatic patients.

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Histologic Scoring Systems for Chronic Liver Disease

Grading and staging refers to a semiquantitative assessment of the necroinflammatory activity (grade) and degree of fibrosis (stage) in relation to chronic hepatitis.

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Case Definition for Ebola Virus Disease (EVD)

Early recognition is critical for infection control. Healthcare providers should be alert for and evaluate any patients suspected of having EVD.

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Typical Laboratory Abnormalities in Alcoholic Liver Disease (ALD)

Alcoholic liver disease (ALD) encompasses a spectrum of injury, ranging from simple steatosis to frank cirrhosis.

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Modified Marsh Classification of Histologic Findings in Celiac Disease (Oberhuber)

Celiac disease is a systemic immune-mediated disorder triggered by dietary gluten in genetically susceptible persons. Gluten is a protein complex found in wheat, rye, and barley. Celiac disease is characterized by a broad range of clinical presentations, a specific serum autoantibody response, and variable damage to the small intestinal mucosa.

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