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Fever of Unknown Origin

The patient was admitted to the hospital with COPD exacerbation and respiratory distress.

Discussion

This case highlights how the T2Bacteria Panel can guide treatment by rapidly identifying the causative pathogen in sepsis cases that are missed by blood cultures. Rapid detection of bloodstream infection by T2Bacteria could have allowed for the escalation of effective antibiotic therapy, potentially leading to the prevention of further clinical deterioration.

Possible Pneumonia

The patient presented to the Emergency Department with acute respiratory failure and was admitted to the ICU with orders for blood cultures, T2Bacteria, and empiric antibiotics.

Discussion

In this case, rapid detection of bloodstream infection by the T2Bacteria Panel could have allowed for more informed treatment decisions, including the continuation of effective antibiotic therapy, which may have led to the prevention of clinical deterioration.

Patient with Risk Factors for Candidemia

A 45-year-old male presented to an acute care hospital with a perforated small bowel.

Discussion

This case highlights the benefit of T2Candida’s rapid fungal species identification. These results allowed for a prompt escalation of antifungal therapy once a species with a high prevalence of resistance was identified. Additionally, unnecessary antibiotics were discontinued.

Sepsis Secondary to UTI

Discussion

In this case, rapid detection of bloodstream infection by the T2Bacteria Panel could have allowed for more informed treatment decisions, including early initiation of effective antibiotic therapy, potentially leading to prevention of clinical deterioration and avoidance of readmission.

Clinical Utility of the T2Candida NPV

57-year-old male transferred to long-term acute care (LTAC) facility for long-term ventilatory support and rehabilitation.

Discussion

This case highlights how the high negative predictive value (NPV) of the T2Candida Panel enables the ability to rule out the five most common Candida species in a clinical setting. In this case, because of the rapid negative result, antifungal therapy could be de-escalated early in the patient’s course.

Critical Care Patient with Septic Shock

A patient suffering from status epilepticus and traumatic brain injury was admitted to the ICU

Discussion

In the case presented, the T2Bacteria result enabled clinicians to initiate appropriate antibiotic therapy within three hours from the diagnosis of septic shock and helped to avoid the unnecessary Gram-positive antibiotic coverage while targeting therapy to cover for P. aeruginosa.

Candida Retinitis and Candida Infective Endocarditis

A 68-year-old male with fevers, lethargy, and anorexia was admitted.

Discussion

This case highlights not only the benefit of rapid species identification with the T2Canida Panel but also timely diagnosis of Candida endocarditis that may present as culture-negative endocarditis.  It also illustrates the potential role of T2Candida in monitoring clinical response in a persistently positive Candida endocarditis patient.

Suspected Blood Stream Infection

A 58-year-old female with a history of metastatic breast cancer presented to the clinic.

Discussion

This case highlights the ability of the T2Bacteria® Panel to provide rapid species identification and detection of the causative organisms when blood cultures do not, including polymicrobial infections.

Septic Shock in an Immunocompromised Hemodialysis Patient

27-year-old male admitted after developing fever and increased white blood cell count during hemodialysis.

Discussion

This high-risk, immunocompromised patient was initially treated with broad-spectrum antimicrobials. When he developed septic shock, micafungin was initiated immediately as candidemia accounts for 3-10% of all septic shock and each hour delay in instituting an active antimicrobial reduces survival in both septic shock and candidemia. Ideally, T2Candida would have been collected prior to giving micafungin. However, testing after antifungal dosing retains value because T2Candida positivity is significantly less likely to be impacted by treatment than are blood culture results.
According to the CDC, of the 154 million prescriptions for antibiotics written in doctors’ offices and emergency departments each year, 30% are unnecessary.12

T2 BIOSYSTEMS OVERVIEW

T2 Biosystems, an emerging leader in the field of in vitro diagnostics, is dedicated to saving lives and reducing the cost of healthcare by empowering clinicians to effectively treat patients faster than ever before. T2 Biosystems is focused on addressing critical unmet needs in healthcare starting with sepsis, one of the deadliest and most expensive conditions in hospitals today.

The T2Dx Instrument, the T2Bacteria and T2Candida Panels have received marketing authorization from the U.S. Food and Drug Administration. All other T2 Biosystems products are considered investigational and for research use only.

T2 Biosystems®, T2MR®, T2Bacteria®, T2Candida®, and T2Dx® are registered trademarks of T2 Biosystems, Inc. “T2Biosystems” and the T2 Biosystems, Inc. logo design are registered trademarks or trademarks of T2Biosystems, Inc. All software and documentation is subject to T2 Biosystems, Inc. copyrights. All rights reserved. T2Direct Diagnostics™, T2HemoStat™, T2Plex™, T2Cauris™, T2Resistance™ and T2SARS-CoV-2™ are trademarks of T2 Biosystems, Inc.

© 2022 T2 Biosystems, Inc.

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