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McDermott DG, Hill SM, Desai K, Jaggessarsingh D, Vitale MA. Septic Mycobacterium Avium Intracellulare Extensor Tenosynovitis of the Wrist. J Wrist Surg 2023; 12:273-279. [PMID: 37223375 PMCID: PMC10202564 DOI: 10.1055/s-0042-1749446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 02/23/2022] [Indexed: 10/18/2022]
Abstract
Mycobacterium avium intracellulare (MAI) infections of the hand, wrist, and upper extremity are rare, but potentially devastating atypical mycobacterial infections that can affect tendon, bone, and other soft tissues of the musculoskeletal system. We present an immunocompromised patient presenting with acute swelling and pain in the dorsum of the hand and wrist that underwent a wrist extensor tenosynovectomy with intraoperative cultures revealing infection with MAI. The patient developed severe progression of the infection with osteomyelitis of the distal forearm and carpal bones, multiple subsequent extensor tendon ruptures, and dorsal skin necrosis. The infection was eradicated with a combination of surgical treatment and antibiotic therapy. The case is discussed in context of the prior scant literature of infectious tenosynovitis of the hand, wrist, and upper extremity caused by MAI. This case report and literature review outline recommendations for diagnosis and effective treatment of MAI.
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Affiliation(s)
- Daniel G. McDermott
- ONS Foundation for Clinical Research and Education, Orthopaedic and Neurosurgery Specialists (ONS), Greenwich, Connecticut
| | - Samantha M. Hill
- ONS Foundation for Clinical Research and Education, Orthopaedic and Neurosurgery Specialists (ONS), Greenwich, Connecticut
| | - Kapil Desai
- Department of Radiology, Greenwich Hospital, Greenwich, Connecticut
| | | | - Mark A. Vitale
- ONS Foundation for Clinical Research and Education, Orthopaedic and Neurosurgery Specialists (ONS), Greenwich, Connecticut
- Department of Orthopaedic Surgery, Greenwich Hospital, Yale-New Haven Health, Greenwich, Connecticut
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Yue C, Wang L, Wang X, Cen R, Chen J, Li L, Yang W, Tan Y, Lei X. In vitro study of the effect of ALA-PDT on Mycobacterium abscessus and its antibiotic susceptibility. Photodiagnosis Photodyn Ther 2022; 38:102802. [PMID: 35297368 DOI: 10.1016/j.pdpdt.2022.102802] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 02/24/2022] [Accepted: 03/10/2022] [Indexed: 11/16/2022]
Abstract
BACKGROUND The skin infection caused by Mycobacterium abscessus (M. abscessus) is extremely difficult to treat in clinical practice. PDT (photodynamic therapy) is a promising antibacterial treatment. We evaluated the effect of photodynamic therapy using 5-aminolevulinic acid (ALA) as a photosensitizer on M. abscessus and its antibiotic resistance in this study. METHODS M. abscessus and biofilm were treated with different concentrations of ALA and then irradiated with LED light (635 nm, 80 J/cm2), while there were ALA-only group, light-only group, and negative control group. The effects were observed by colony counting, crystal violet staining, confocal laser scanning microscope (CLSM), and scanning electron microscope (SEM). The changes of drug susceptibility of M. abscessus at sublethal doses were detected by micro-broth dilution method, and the possible mechanism was explored by fluorometer and real-time fluorescence quantitative Polymerase Chain Reaction (RT-qPCR). RESULTS ALA-PDT showed a significant killing effect on M. abscessus at ALA concentrations greater than 50 μg/ml and the effect increased with increasing photosensitizer concentrations. ALA-PDT also showed a notable scavenging effect on M. abscessus biofilm, which was also enhanced with increasing ALA concentrations. At sublethal doses, the susceptibility of M. abscessus to antibiotics was increased, and ALA-PDT greatly increased the cell wall permeability of M. abscessus and decreased the mRNA expression of drug resistance genes whiB7 and erm (41), as well as efflux pump genes MAB_1409c and MAB_3142c at the transcriptional level. CONCLUSIONS ALA-PDT has a significant killing effect on M. abscessus and can increase its antibiotic susceptibility.
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Affiliation(s)
- Chenda Yue
- Department of Dermatology, Daping Hospital, The Army Medical University, Chongqing, China
| | - Liqun Wang
- Department of Dermatology, Daping Hospital, The Army Medical University, Chongqing, China
| | - Xiaoyu Wang
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering Institute of Chongqing University, Chongqing, China
| | - Ruiyan Cen
- Department of Dermatology, Daping Hospital, The Army Medical University, Chongqing, China
| | - Jinyi Chen
- Department of Dermatology, Daping Hospital, The Army Medical University, Chongqing, China
| | - Lingfei Li
- Department of Dermatology, Daping Hospital, The Army Medical University, Chongqing, China
| | - Weijiang Yang
- Department of Dermatology, Daping Hospital, The Army Medical University, Chongqing, China
| | - Yang Tan
- Department of Dermatology, Daping Hospital, The Army Medical University, Chongqing, China
| | - Xia Lei
- Department of Dermatology, Daping Hospital, The Army Medical University, Chongqing, China.
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Ma Q, Chen R, Yang E, Yuan Y, Tian Y, Han Y, Wang S, Wang B, Yan W, Zhang Q, Jing N, Ma B, Wang Z, Li Y, Li Y. Non-tuberculous Mycobacterial Infection of the Musculoskeletal System Detected at Two Tertiary Medical Centres in Henan, China, 2016-2020. Front Microbiol 2021; 12:791918. [PMID: 34975815 PMCID: PMC8718100 DOI: 10.3389/fmicb.2021.791918] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Accepted: 11/18/2021] [Indexed: 01/15/2023] Open
Abstract
Non-tuberculous mycobacterial (NTM) infection of the musculoskeletal system is rare but poses a grave threat to public health. These infections yield non-specific symptoms that remain undetected until the development of the later stages of the disease. In this study, we performed a retrospective review of 25 cases of musculoskeletal NTM infection at two tertiary medical centres over a 5-year period to determine the clinical features and improve the current clinical diagnosis and treatment. The most common mycobacterial species detected were Mycobacterium fortuitum in eleven patients, Mycobacterium abscessus in eight patients, Mycobacterium houstonense in three patients, Mycobacterium avium in two patients, and Mycobacterium smegmatis in one patient. The sites of infection included the limbs and joints, most commonly the knee (ten patients) and foot (six patients). The median duration from the onset of symptoms to diagnosis was 2.5 months (0.8-13.5 months). Deep sinus tracts extending to the surgical site were observed in 60% of the patients (15/25), and granulomatous inflammation and granulomatous inflammation with necrosis occurred in 60% of the patients (15/25). All patients underwent surgical treatment for infection control, and all patients, except one, received antimycobacterial therapy based on drug sensitivity assays. The median duration of the antimicrobial chemotherapy was 5 months (range: 3-20 months). At the final follow-up, 24 patients presented with absence of recurrence and one patient succumbed owing to heart failure after debridement. Our findings highlight the importance of vigilance and improvements in the diagnostic methods for musculoskeletal NTM infection. Aggressive surgical treatment and antimycobacterial drug treatment can help achieve satisfactory results.
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Affiliation(s)
- Qiong Ma
- Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, Henan University People’s Hospital, Zhengzhou, China
| | - Rende Chen
- Luoyang Orthopedic Hospital of Henan Province, Orthopedic Hospital of Henan Province, Zhengzhou, China
| | - Enhui Yang
- Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, Henan University People’s Hospital, Zhengzhou, China
| | - Youhua Yuan
- Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, Henan University People’s Hospital, Zhengzhou, China
| | - Yongfu Tian
- Luoyang Orthopedic Hospital of Henan Province, Orthopedic Hospital of Henan Province, Zhengzhou, China
| | - Yongguang Han
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, China
| | - Shanmei Wang
- Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, Henan University People’s Hospital, Zhengzhou, China
| | - Baoya Wang
- Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, Henan University People’s Hospital, Zhengzhou, China
| | - Wenjuan Yan
- Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, Henan University People’s Hospital, Zhengzhou, China
| | - Qi Zhang
- Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, Henan University People’s Hospital, Zhengzhou, China
| | - Nan Jing
- Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, Henan University People’s Hospital, Zhengzhou, China
| | - Bing Ma
- Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, Henan University People’s Hospital, Zhengzhou, China
| | - Zhen Wang
- Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, Henan University People’s Hospital, Zhengzhou, China
| | - Yi Li
- Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, Henan University People’s Hospital, Zhengzhou, China
| | - Yongjun Li
- Luoyang Orthopedic Hospital of Henan Province, Orthopedic Hospital of Henan Province, Zhengzhou, China
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The clinical value of metagenomic next-generation sequencing in the microbiological diagnosis of skin and soft tissue infections. Int J Infect Dis 2020; 100:414-420. [PMID: 32898669 DOI: 10.1016/j.ijid.2020.09.007] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Revised: 07/31/2020] [Accepted: 09/02/2020] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Metagenomic next-generation sequencing (mNGS), with its comprehensiveness, is widely applied in microbiological diagnosis. Etiological diagnosis is of paramount clinical importance in patients with skin and soft tissue infections (SSTIs). However, the clinical application of mNGS in SSTIs is relatively less studied. MATERIALS AND METHODS From April 1, 2017 to December 31, 2019, 96 SSTI cases were collected. The positive rates of pathogens detected by mNGS and culture were compared by analyzing tissue samples, pus, swabs, and/or interstitial fluids obtained from the infected parts. Modification of the antibiotic treatment strategy due to mNGS was also assessed. RESULTS The sensitivity of mNGS for detecting pathogens in SSTI cases was superior to that of culture testing (67.7% vs 35.4%; p < 0.01). Significantly higher identification rates for viruses (10.4% vs 0.0%; p < 0.01) and anaerobes (11.5% vs 1.0%; p < 0.01) were obtained with mNGS compared to culture. Of note, rare pathogens such as Vibrio vulnificus and Bartonella henselae were also detected by mNGS. Importantly, the proportion of multi-pathogen SSTIs detected by mNGS was higher than that of multi-pathogen SSTIs detected by culture (16.7% vs 6.3%; p = 0.035). The rate of targeted antibiotic treatment was significantly higher in mNGS-positive cases than in mNGS-negative cases (41.7% vs 3.8%; p < 0.01). In culture-negative and mNGS-positive cases, the improvement rate was higher than that in mNGS-negative cases, but this was not statistically significant (75.0% vs 73.1%; p = 0.864). CONCLUSIONS mNGS is a promising tool for the etiological diagnosis of SSTIs, particularly in identifying viruses, anaerobes, and multi-pathogen infections. The application of mNGS testing in clinical practice could change antibiotic treatment strategies and partly benefit clinical outcomes.
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