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American Journal of Public Health Research
DOI: 10.12691/ajphr-1-1-3

The Implementation of a Tele-Homecare System with Service Oriented Architecture and HL7 Message Transmission Standard
Ching-Sung Wang

American Journal of Medical and Biological Research
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The Influence of Ethanol on Pyruvate Kinases Activity in Vivo, in Vitro, in Silico
Lelevich Sergey Vladimirovich, Khrustalev Vladislav Victorovich, Barkovsky Eugene Victorovich, Shedogubova Tatyana Aleksandrovna

American Journal of Medical Sciences and Medicine
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Clinical and Histological Features in Wegener Granulomatosis
Li Cavoli Gioacchino, Passantino Rita, Bono Luisa, Tortorici Calogera, Ferrantelli Angelo, Giammarresi Carlo, Rotolo Ugo

American Journal of Infectious Diseases and Microbiology
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The Curse of Lymphatic Filariasis: Would the Continual Use of Diethylcarbamazine Eliminate this Scourge in Papua New Guinea?
Anne Lanham, Lillian Mwanri

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Lactobacillus Bacteremia in a Critically Ill Patient

Mohamed Saad Eldin*, Sadaquat Liaqat, Khaled Awad, Salah Aldergash

Department of Internal Medicine, Conemaugh Memorial Medical Center, Johnstown, PA, USA

Abstract: Lactobacilli are normal commensal bacteria of human. They can cause fatal infections in an immunocompromised host. We present a case of an immunocompromised patient with stage IV non-small cell lung cancer receiving Nivolumab who had high grade lactobacillus bacteremia and fungal blood stream infection.

Keywords: lactobacilli, Nivolumab, lactobacillus acidophilus

Received June 07, 2019; Revised July 09, 2019; Accepted July 14, 2019

Citation: Mohamed Saad Eldin, Sadaquat Liaqat, Khaled Awad, Salah Aldergash, Lactobacillus Bacteremia in a Critically Ill Patient. American Journal of Medical Case Reports, 7 (9). 191-192. January 2019. doi:10.12691/ajmcr-7-9-2

1. Introduction

Lactobacilli (LB) are gram positive-rods and are normal commensal flora of the oral cavity, gastrointestinal and female genitourinary tract [1]. LB rarely causes diseases in immunocompetent patients but can cause serious infections in the setting of immunosuppression, particularly in hematologic malignancies, solid tumors, and transplant recipient [2,3,4]. Several lactobacillus species have been identified, Lactobacillus rhamnosus and Lactobacillus casei are among the most common species. Chemotherapy can affect the gastrointestinal mucosal barrier and concurrent tissue hypo-perfusion from sepsis can lead to translocation of normal commensal flora causing serious infections including endocarditis, pneumonia, abscess, and peritonitis [5,6]. We present a case of an immunocompromised patient who had high grade lactobacillus bacteremia associated with fungemia.

2. Case Presentation

A 62-year-old Caucasian male with a history of stage IV non-small cell lung cancer (NSCLC) on active treatment with Nivolumab presented with the complaint of shortness of breath, generalized weakness, and fatigue. His last immunotherapy was 2 weeks prior to presentation. He was found to be hypotensive, tachycardic and hypoxic at presentation. Physical examination was unremarkable except for course breath sounds, CT scan of the chest showed left lower lobe consolidation. He was treated with IV fluids and broad-spectrum antibiotics with Vancomycin and Piperacillin-Tazobactam as per sepsis protocol initially but eventually required vasopressor support. Two sets of blood cultures yielded Lactobacillus acidophilus. Infectious Disease (ID) specialist was consulted and recommended to continue Vancomycin and discontinue Piperacillin-Tazobactam Based on culture and susceptibility. Subsequent blood cultures showed evidence of eradication of Lactobacillus by day 4, but then on day 5, repeat blood cultures started to grow yeast for which micafungin was added. CT scan of the abdomen was obtained to evaluate colitis as a possible source of lactobacillus bacteremia and was negative. The patient denied the use of probiotics. Transthoracic echo was ordered to rule out infective endocarditis, however, the patient declined further investigations and treatment and elected for comfort care measures only. His clinical status continued to decline and he passed away on the 7th day of hospitalization.

3. Discussion

Our patient had multiple risk factors for LB bacteremia, He had stage IV NSCLC on immunotherapy, and was critically ill with septic shock. The likely source of infection is gut translocation due to tissue hypo-perfusion. The most common isolated organisms are Lactobacillus casei and Lactobacillus rhamnosus [7]. Our patient had LB Acidophilus associated with fungal infection. LB are often found to have antimicrobial resistance, this poses a challenge of appropriate treatment [8,9,10]. Probiotics containing LB are used to help prevent clostridium difficile in patients taking antibiotics, our patient did not consume probiotics prior to hospitalization or during his hospital stay.

Acknowledgements

The author(s) received no financial support for the research, authorship, and/or publication of this article.

References

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[10]   | Monterisi A, Dain AA, Suárez de, Basnec MC, Roca G, Trucchia R, Bantar C. Native-valve endocarditis produced by Lactobacillus casei sub. rhamnosus refractory to antimicrobial therapy [in Spanish]. Medicina (B Aires). 1996; 56: 284-286.