In Dallas County, a few more cases of acute hepatitis A were reported in 2008 (n = 46) than in 2007 (n = 42) or 2009 (n = 40), potentially leading to a greater number of positive results.
Patients were classified as having acute hepatitis A, recent hepatitis A, or resolved hepatitis A by the combination of peak aminotransferase levels and the change in aminotransferase levels and S/CO over time.
In the final analysis, acute hepatitis A was the diagnosis for 4 patients with 5 positive test results.
Furthermore, only a minority of patients with a positive result have a concomitant clinical diagnosis of acute hepatitis A (4 of 35, 11%).
Acute hepatitis A is a common viral infection found throughout the world.
14) Garel et al (15) reported two cases of mesangial IgM glomerulonephritis associated with hepatitis A, and Ilan and Galun (16) reported a patient with acute hepatitis A infection and presumed glomerulonephritis based on proteinuria, red blood cell casts, and microscopic hematuria, in the absence of any other etiologic agent(s).
Ventricular tachycardia associated with acute hepatitis A infection.
Glomerular nephropathy with mesangial proliferation and acute hepatitis A virus infection: Two cases.
Concentrations of total hemolytic complement may be depressed in acute hepatitis A, possibly reflecting the presence of circulating immune complexes as described by some workers.
Urticarial rash and acute arthritis, such as may occur with acute hepatitis B, are not found in acute hepatitis A.
Like tests for IgM anti-HAV, tests for total anti-HAV are almost always positive at the onset of acute hepatitis A.
A total of 180 cases of acute hepatitis A occurred in patients more than age 40.
Hospitalization rates and rare complications associated with acute hepatitis A increase with age.
ACUTE HEPATITIS A viral infection is generally thought to be a benign, self-limited disease that affects children and young adults in underdeveloped countries, with occasional foodborne or waterborne outbreaks in the United States.
4) Acute hepatitis A case fatality rates in the United States from 1983 to 1987 were 0.