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.

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Septic Shock with Fever

An 86 year old patient presented with fevers and lethargy for one week.

Discussion

This case highlights not only the benefit of rapid species identification with the T2Bacteria Panel but also the Panel’s ability to prevent therapy that is not necessary as well as to detect the causative organisms that blood cultures may not due to infection localized within an abscess.

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Suspected Acute Cholecystitis

An 82-year-old patient presented in the emergency department with a fever.

Discussion

This case highlights not only the benefit of rapid species identification with the T2Bacteria Panel but also the Panel’s ability to detect the causative organisms when blood culture does not.

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T2Bacteria® Negative De-escalation

67-year-old female admitted for reduced intensity conditioning followed by Stem Cell transplant for acute myelogenous leukemia.

Discussion

Patients undergoing cytotoxic chemotherapy and hematopoietic stem-cell transplantation (HSCT) are at high risk for infection, particularly during the period of neutropenia and are often prescribed antibiotic prophylaxis with fluroquinolones. The majority of patients who develop fever during neutropenia have no identifiable site of infection and no positive culture results. IDSA guidelines recommend that every patient with fever and neutropenia receive empiric antibiotic therapy with an antipseudomonal beta lactam urgently after presentation, because infection may progress rapidly.1

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Thrombus in Left Popliteal Artery

Patient presented with acute onset of pain in his left lower extremity

Discussion

Rapid molecular diagnostics such as T2MR technology may help with prognosis of invasive candidiasis. The T2Candida Panel was utilized upon follow up to assess the clearance of candidemia along with clinical symptoms.

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Patient Receiving Cancer Treatment

Neutropenic Fever & P. aeruginosa Bloodstream Infection

A 23-year-old female with a history of acute myeloid leukemia and recent haploidentical stem cell transplant, cytokine release syndrome and severe mucositis following receipt of post-transplant cyclophosphamide therapy.

Discussion:

Upon admission, the patient was initially given cefepime for the treatment of febrile neutropenia. Due to the patient’s history of AML and neutropenia, she was at risk for organisms such as P. aeruginosa in addition to other common causes of febrile neutropenia such as Enterobacteriaceae.

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Hospital Ward with empty beds

Pulmonary Edema and Suspected Pneumonia

Patient had a history of multiple myeloma, prostate cancer and CHF.

Discussion

This case highlights not only T2Bacteria’s benefit of rapid identification but also the ability to detect the causative organism in the presence of antibiotics as this patient had received the dose of vancomycin before the T2Bacteria was drawn.

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IV Vial

Utilizing a Negative T2Bacteria Result

81 year old female admitted with a one-day history of fever, rigors, weakness, and confusion. Blood and urine cultures were ordered as well as IV antibiotics.

Discussion/Decision Making Based on T2Bacteria Result 

At this point in time, the hospital has not adopted T2Bacteria, however, another hospital in their system has. Given the high likelihood that the repeat BCx would be negative, they were asked to draw a blood sample on the day the patient was ready for discharge and send it to the institution that currently utilized the T2Bacteria Panel.

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Blood Pressure Monitor

Candida parapsilosis bloodstream infection1

The T2Candida Panel was used to assess for the presence of disease and continuation of antifungal therapy, despite negative blood cultures.

Discussion


Rapid molecular diagnostics such as T2MR technology may help with prognosis of invasive candidiasis. For our case, the T2Candida Panel was utilized upon follow up to assess clearance of candidemia along with clinical symptoms.

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Elderly Man in Hospital Bed

Urinary Tract Infection: Suspected Sepsis

83-year-old male presented to the emergency department with urinary retention.

Had the T2Bacteria test been performed and result been reported immediately after collection, the patient could have been initiated on effective empiric therapy over 24 hours sooner, and P. aeruginosa bacteremia identified over two days earlier.

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  • According to the CDC, of the 154 million prescriptions for antibiotics written in doctors' offices and emergency departments each year, 30% are unnecessary.12