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Infectious Disease Case Reports and Treatments
Research Guide
What is Infectious Disease Case Reports and Treatments?
Infectious Disease Case Reports and Treatments is a collection of medical literature documenting the pathogenesis, diagnosis, treatment, and management of bacterial infections such as Rhodococcus equi pneumonia in foals, urinary tract infections, and nocardiosis.
This field encompasses 15,833 published works on infectious disease cases and therapies, with a focus on Rhodococcus equi infections in foals involving pneumonia, virulence plasmids, immunity, and clinical management. Key papers address urinary tract infections (UTIs), including treatments like nitrofurantoin, trimethoprim-sulfamethoxazole, fosfomycin, and pivmecillinam as first-line agents for cystitis, while fluoroquinolones are reserved for pyelonephritis (Hooton 2012). Highly cited studies also cover host-parasite interactions in Nocardia species and type 1-piliated uropathogenic Escherichia coli evasion of host defenses (Mulvey et al. 1998; Beaman and Beaman 1994).
Topic Hierarchy
Research Sub-Topics
Rhodococcus equi Pneumonia in Foals
This sub-topic details clinical presentation, radiographic findings, and progression of suppurative pneumonia caused by R. equi in young horses. Researchers study risk factors and ultrasonographic diagnostics.
Virulence Plasmids in Rhodococcus equi
Studies characterize plasmid-encoded vapA gene and its role in intracellular survival within macrophages. Researchers explore plasmid diversity, stability, and transfer mechanisms.
Immunology of Rhodococcus equi Infections
This area examines innate and adaptive immune responses in foals, focusing on neutrophil function and antibody production. Researchers investigate failure of passive transfer and immunotherapy.
Antimicrobial Treatment of Rhodococcus equi
Researchers evaluate efficacy of macrolides, rifampin combinations, and treatment duration protocols. They address emerging resistance patterns and pharmacokinetic optimization.
Diagnosis of Rhodococcus equi Infections
This sub-topic covers tracheal wash cytology, PCR detection, and blood culture techniques for early identification. Studies compare non-culture vs. traditional methods for sensitivity.
Why It Matters
Infectious Disease Case Reports and Treatments guides clinical management of conditions like uncomplicated UTIs, where "Uncomplicated Urinary Tract Infection" specifies nitrofurantoin, trimethoprim–sulfamethoxazole, fosfomycin, and pivmecillinam as first-line cystitis therapies, reducing reliance on fluoroquinolones except for pyelonephritis (Hooton 2012). In foal pneumonia from Rhodococcus equi, these reports inform diagnosis and virulence plasmid-targeted treatments. "Nocardia species: host-parasite relationships" details infections by N. asteroides, N. brasiliensis, and others in immunocompromised patients, aiding targeted antibiotic selection (Beaman and Beaman 1994). "Emphysematous Pyelonephritis" identifies E. coli or K. pneumoniae in diabetic patients with obstruction as causes, recommending percutaneous catheter drainage for localized cases (Huang and Tseng 2000).
Reading Guide
Where to Start
"Uncomplicated Urinary Tract Infection" by Thomas M. Hooton (2012) provides a clear entry point with specific first-line treatment recommendations for cystitis and pyelonephritis, making it accessible for understanding basic infectious disease management.
Key Papers Explained
"Induction and Evasion of Host Defenses by Type 1-Piliated Uropathogenic Escherichia coli" (Mulvey et al. 1998) establishes mechanisms of bacterial adhesion in UTIs, which "Uncomplicated Urinary Tract Infection" (Hooton 2012) builds on by recommending targeted antibiotics like nitrofurantoin. "Nocardia species: host-parasite relationships" (Beaman and Beaman 1994) extends to actinomycete infections, paralleling Rhodococcus equi virulence studies. "Emphysematous Pyelonephritis" (Huang and Tseng 2000) applies these to severe renal cases with gas-forming bacteria.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Current work emphasizes Rhodococcus equi management in foals, focusing on pneumonia diagnostics, virulence plasmids, and immunity, as no recent preprints or news are available.
Papers at a Glance
| # | Paper | Year | Venue | Citations | Open Access |
|---|---|---|---|---|---|
| 1 | 16S/23S rRNA sequencing | 1991 | Medical Entomology and... | 8.0K | ✕ |
| 2 | Outcomes of radical nephroureterectomy: A series from the Uppe... | 2009 | Cancer | 1.1K | ✓ |
| 3 | Bladder cancer: Epidemiology, staging and grading, and diagnosis | 2005 | Urology | 1.1K | ✕ |
| 4 | Urinary Tract Infections | 2016 | Pediatric Care Online | 1.0K | ✕ |
| 5 | Induction and Evasion of Host Defenses by Type 1-Piliated Urop... | 1998 | Science | 943 | ✕ |
| 6 | Asymptomatic Infections of the Urinary Tract* | 2002 | The Journal of Urology | 926 | ✕ |
| 7 | Uncomplicated Urinary Tract Infection | 2012 | New England Journal of... | 836 | ✕ |
| 8 | Nocardia species: host-parasite relationships | 1994 | Clinical Microbiology ... | 826 | ✓ |
| 9 | Emphysematous Pyelonephritis | 2000 | Archives of Internal M... | 756 | ✕ |
| 10 | DIAGNOSIS AND TREATMENT OF UNCOMPLICATED URINARY TRACT INFECTION | 1997 | Infectious Disease Cli... | 753 | ✕ |
Frequently Asked Questions
What are first-line treatments for uncomplicated cystitis?
Nitrofurantoin, trimethoprim–sulfamethoxazole, fosfomycin, and pivmecillinam serve as first-line agents for cystitis in uncomplicated urinary tract infections. Fluoroquinolones are not routine first-line for cystitis but are empirical therapy for pyelonephritis. These recommendations stem from clinical outcome analyses (Hooton 2012).
How does type 1-piliated E. coli evade host defenses?
Type 1-piliated uropathogenic Escherichia coli use filamentous surface adhesive organelles whose tips interact directly with the bladder lumenal surface. This enables induction and evasion of host defenses during urinary tract infections. Electron microscopy of infected mouse bladders confirms these interactions (Mulvey et al. 1998).
What causes emphysematous pyelonephritis?
Acute renal infection with E. coli or K. pneumoniae occurs in patients with diabetes mellitus and urinary tract obstruction, leading to emphysematous pyelonephritis. Mixed acid fermentation of glucose by Enterobacteriaceae produces gas. Percutaneous catheter drainage suffices for localized classes 1 and 2 (Huang and Tseng 2000).
Which Nocardia species cause human diseases?
Nocardia asteroides, N. brasiliensis, N. farcinica, N. otitidiscaviarum, N. nova, and N. transvalensis cause diseases in normal and immunocompromised hosts as aerobic actinomycetes. They form part of normal soil microflora worldwide. Host-parasite relationships determine infection outcomes (Beaman and Beaman 1994).
What is the focus of Rhodococcus equi infection research?
Research centers on pathogenesis, diagnosis, treatment, and management of Rhodococcus equi infections, particularly pneumonia in foals. Topics include virulence plasmids, immunity, and clinical outcomes. This cluster comprises 15,833 works.
Open Research Questions
- ? How do virulence plasmids in Rhodococcus equi contribute to foal pneumonia pathogenesis?
- ? What immune mechanisms protect foals against Rhodococcus equi infections?
- ? Which diagnostic methods best identify Nocardia species in clinical cases?
- ? How can treatments for uropathogenic E. coli infections be optimized to prevent evasion of host defenses?
- ? What factors predict outcomes in emphysematous pyelonephritis beyond drainage and antibiotics?
Recent Trends
The field maintains 15,833 works on Rhodococcus equi infections in foals, covering pneumonia, virulence plasmids, immunity, and management, with no growth rate data over 5 years and no recent preprints or news in the last 12 months.
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