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Table of Contents
CASE REPORT
Year : 2020  |  Volume : 8  |  Issue : 1  |  Page : 25-26

A rare cause of cellulitis: Photobacterium damselae


1 Department of Internal Medicine, Saint Vincent Hospital, 123 Summer Street, Worcester, MA, 01608, United States
2 Infectious Disease, Saint Vincent Hospital, 123 Summer Street, Worcester, MA, 01608, United States

Date of Submission07-Dec-2018
Date of Acceptance02-Mar-2019
Date of Web Publication08-Nov-2019

Correspondence Address:
Dr. Kamal Kant Sahu
Department of Internal Medicine, Saint Vincent Hospital, Worcester, Massachusetts
United States
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/JMAU.JMAU_63_18

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  Abstract 

Photobacterium damselae, a marine bacterium from Vibrionaceae family, is a well-known primary pathogen for fish, mollusks, crustaceans, etc. Humans may also get infected accidentally during exposure to marine animals or seawater. In addition to economic concern for aquaculture and fish industry, it is also a microbe of concern for human beings, as it has potential to cause lethal infections. Necrotic fasciitis is the most fulminant form.

Keywords: Cellulitis, fish, Photobacterium damselae, Vibrionaceae


How to cite this article:
Sahu KK, Sherif AA, Davaro R. A rare cause of cellulitis: Photobacterium damselae. J Microsc Ultrastruct 2020;8:25-6

How to cite this URL:
Sahu KK, Sherif AA, Davaro R. A rare cause of cellulitis: Photobacterium damselae. J Microsc Ultrastruct [serial online] 2020 [cited 2020 Aug 3];8:25-6. Available from: http://www.jmau.org/text.asp?2020/8/1/25/270593




  Introduction Top


Vibrio species are free-living microorganisms of marine and aquatic environments. Photobacterium is a Gram-negative bacterium know to be pathogenic to aquatic organisms. Recently, by virtue of increasing exposure to natural waters, photobacterium damselae Scientific Name Search  has emerged as a potential hazard to humans by causing life threating septicaemia.


  Case Report Top


A 74-year-old female with a medical history of controlled hypertension presented to the emergency department for fever and worsening right foot swelling of three days duration. A week ago, she fell at a beach and sustained superficial abrasions over her right foot. Since then, she noted worsening redness, pain, and swelling of the injured foot. At initial presentation, she was hypotensive (75/43 mmHg) and tachycardic (110/min). The right foot inspection showed multiple superficial abrasions and edema without any local crepitations on palpation [Figure 1]. She received bolus of 2 liters 0.9% normal saline. Laboratory workup suggested leukocytosis (16.2 × 109/L) with normal hepatic and renal functions. She was started on injection vancomycin and cefepime after drawing blood cultures. She underwent venous duplex and right lower extremity computed tomography to rule out deep vein thrombosis and necrotizing fasciitis, respectively. Blood culture grew Gram-negative bacilli-Photobacterium damselae, sensitive to fluoroquinolones. Antibiotics were changed to levofloxacin to complete a total duration of 10 days. Complete resolution of cellulitis was noted on follow-up.
Figure 1: Right foot edema with multiple petechial spots noted on the dorsal aspect

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  Discussion Top


P. damselae is recently considered an emerging pathogen for fish and also known as “fish pasteurellosis.” It is Gram-negative rod and belongs to Vibrionaceae species, with natural habitat being sea water. With increasing trend of human engagement in aquatic and nautical sports, P. damselae and related infections are on rise and topic of public health importance. Other commonly well-established human pathogens from Vibrionaceae species are Vibrio cholerae (watery diarrhea), Vibrio parahaemolyticus (gastroenteritis), and Vibrio vulnificus (wound infections, acute and fatal septicemia). A recent literature review by Hundenborn et al. showed that skin breach resulting from fish hook injury, stingray injury, etc., increases the risk of acquiring P. damselae infections.[1] They reported that, of the six cases, five died secondary to septicemia. Treatment depends on the severity of infection and includes medical and/or surgical intervention. Milder forms generally respond well to oral antibiotics prescribed based on antibiotic sensitivity pattern (usually fluoroquinolones, doxycycline, or macrolides). Severe form requires urgent wound debridement in addition to antibiotics. Considering the high mortality rates, increasing public awareness about the marine-related diseases is of extreme importance to prevent fatalities. Hence, it is very important to be aware of the rare microbes and their atypical clinical presentations to ensure timely diagnosis and prompt treatment.[2],[3],[4] Complications like Necrotizing Fasciitis are fatal and needs immediate attention.[5]

Take-home message

  1. Appropriate precautions should be taken while engaging in marine activities, especially in case of preexisting skin breach
  2. Vibrio-related infections should be considered in any case of wound infection/cellulitis with a history of exposure to aquatic animals or sea water.


Declaration of patient consent

The authors certify that they have obtained all appropriate patient consent forms. In the form the patient(s) has/have given his/her/their consent for his/her/their images and other clinical information to be reported in the journal. The patients understand that their names and initials will not be published and due efforts will be made to conceal their identity, but anonymity cannot be guaranteed.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
  References Top

1.
Hundenborn J, Thurig S, Kommerell M, Haag H, Nolte O. Severe wound infection with Photobacterium damselae ssp. damselae and Vibrio harveyi, following a laceration injury in marine environment: A case report and review of the literature. Case Rep Med 2013;2013:610632.  Back to cited text no. 1
    
2.
Sahu KK, Yanamandra U, Kakkar N, Malhotra P. Rare Presentation of Mucormycosis in Aplastic Anaemia: Isolated Hepatic Mucormycosis. Mycopathologia. 2019.  Back to cited text no. 2
    
3.
Mishra AK, Sahu KK, James A. Disseminated herpes zoster following treatment with benralizumab. Clin Respir J 2019;13:189-91.  Back to cited text no. 3
    
4.
Sharma S, Singh P, Sahu KK, Rajwanshi A, Malhotra P, Naseem S. Histoplasmosis in Pleural Effusion in a 23-Year-Old Man With Mixed-Phenotype Acute Leukemia. Lab Med 2017;48:249-52.  Back to cited text no. 4
    
5.
Sahu KK, Mishra A, Lopez CA. Necrotizing Fasciitis: Challenges in diagnosis and management. QJM 2019;pii:hcz163. doi: 10.1093/qjmed/hcz163.  Back to cited text no. 5
    


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