Tier doctors develop test for 'pink eye'

Tier doctors develop test for 'pink eye'

There are 7 comments on the Binghamton Press & Sun story from Dec 15, 2005, titled Tier doctors develop test for 'pink eye'. In it, Binghamton Press & Sun reports that:

Three Binghamton doctors have developed a device that allows physicians to diagnose conjunctivitis, or "pink eye," within 10 minutes.

Join the discussion below, or Read more at Binghamton Press & Sun.

MD Blogger

Since: Dec 05

Palmetto, FL

#1 Dec 29, 2005
According to the 2002 article in the American Journal of Infection Control by Guinan et al, more than 164 million school days are missed annually in American public schools due to the spread of infectious diseases and approximately 3 million school days are lost as a result of acute conjunctivitis. A study by the Carnegie Foundation revealed that missed school days represent the main problem that 83% of teachers face in their school. Approximately 2% of all primary care visits and 1% of all emergency room visits are related to conjunctivitis. Adenovirus represents the most common form of a red eye worldwide and most frequently presents to the primary care physician.

The FDA has recently approved a new, rapid point of care diagnostic test for viral conjunctivitis called the RPS Adeno Detector (Rapid Pathogen Screening, Inc.; South Williamsport, PA). The test completed a multi-center, blinded FDA clinical trial to compare the efficacy of the RPS Adeno Detector against cell culture for detecting adenoviral conjunctivitis. This study demonstrates the high degree of sensitivity and specificity of the RPS Adeno Detector at correctly identifying patients with adenoviral conjunctivitis in just 10 minutes.

Currently viral conjunctivitis is a clinical diagnosis and viral cultures and PCR are not routinely done. The RPS Adeno Detector would make a laboratory confirmation of the diagnosis readily available. Because the RPS Adeno Detector test empowers a physician to accurately make a diagnosis and appropriately treat or not treat a patient, it ultimately allows a physician to practice better medicine. Physicians often feel pressured by their patients to institute a treatment even if they think it is unnecessary. When patients visualize a positive test result themselves, physicians can achieve better patient acceptance for more supportive therapies. The RPS Adeno Detector can effectively identify contagious viral conjunctivitis requiring more time away from work, school, or daycare. Unlike bacterial conjunctivitis that becomes relatively noncontagious after 48 hours of appropriate antibiotic therapy, adenoviral conjunctivitis does not improve and continues to shed a significant virus load until the eye is no longer red and tearing.

Thus, in some regions, nearly half of all patients with acute infectious conjunctivitis presenting to a primary care provider or emergency room physician may receive unnecessary antibiotic treatment. Antibiotic resistance is also a problem in the eye. Many studies have elicited high rates of antibiotic resistance for Staphylococcal and streptococcal species with commonly prescribed topical antibiotics including rates respectively approaching 30-40% for erythromycin; 20% of aminoglycosides, and a five-year review study reported that S. aureus resistance to both ciprofloxacin and ofloxacin dramatically increased from 5 percent in 1993 to 35 percent in 1997. In a 2000 study of resistance to Haemophilus influenzae and Streptococcus pneumoniae that caused bacterial conjunctivitis, older medications, such as gentamicin, polymyxin B, neomycin and sulfamethoxazole, were found to be either intermediately or not at all active against these pathogens. A recent 2005 study out of UCSF suggests that topical antibiotics may also contribute to nasopharyngeal antibiotic resistance.

The RPS Adeno Detector provides health care professionals with a true point of care test for infectious conjunctivitis. The test requires only 10 minutes to obtain a result that can empower physicians to practice better medicine, foster patient acceptance, and identify contagious viral conjunctivitis while simultaneously reducing ocular antibiotic resistance. The management style utilizing empiric antibiotic treatment may not only increase the risk of antibiotic resistance, side effects, allergies, and corneal toxicity, but also may lead to increased cost to the individual and society as a whole.
MD Blogger

Palmetto, FL

#2 Feb 18, 2006
The RPS Adeno Detector is now CLIA waived.
J Adamo

San Diego, CA

#3 Feb 20, 2006
The RPS Adeno Detector is identical to the SAS adeno detector but at a cost 4 times higher. The SAS adeno detector has been availabe since 1999 and is $7.25
MD Blogger

Palmetto, FL

#4 Feb 22, 2006
The tests are far from identical. It is true that they are both lateral flow immunochromatography tests but that is where the similarity ends. The SA Adeno Test uses indirect sampling and requires and extraction step. Uchio et al tested and evaluated the SAS Adeno Test kit under clinical conditions and found a sensitivity of 54% and a specificity of 97 % compared to PCR. [B]The RPS Adeno Detector is far more sensitive.[/B] Additionally, the RPS Adeno Detector is CLIA waived and the SA Adeno Detector is not.
diagnostic test kits

Beijing, China

#5 Apr 16, 2007
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little guy from CHS

Seattle, WA

#6 Mar 15, 2010
What is the test??
josh poland from CHS

Seattle, WA

#7 Mar 15, 2010
what is the process of pink eye

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