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1.
Rev Assoc Med Bras (1992) ; 68(9): 1234-1239, 2022 Sep.
Article in English | MEDLINE | ID: mdl-36228254

ABSTRACT

OBJECTIVE: Positive results of the serum tube agglutination test that persist after treatment may be interpreted by clinicians as treatment failures. Therefore, our study examined the value of serum tube agglutination test in demonstrating treatment success. METHODS: In this retrospective study conducted at a single center, the pre- and post-treatment serum tube agglutination test titers of patients diagnosed with brucellosis were compared. RESULTS: The end-of-treatment serum tube agglutination test titer was negative in 24 (18%) of 139 patients diagnosed with brucellosis. The most common complaints of the patients were fever (78.4%), chills (88.5%), sweating (84.9%), anorexia (79.1%), and arthralgia (63.3%). The rate of positive blood culture before the treatment was 68.3%. The absence of fever (p=0.005) and arthralgia (p=0.024) and the pretreatment serum tube agglutination test titer of <1/160 (p=0.014) were significant markers of serological cure. CONCLUSION: Although serum tube agglutination test is an effective and very successful test in the diagnosis of brucellosis, our study shows that serum tube agglutination test is not useful in demonstrating the treatment success of human brucellosis in the early post-treatment period.


Subject(s)
Brucellosis , Agglutination Tests/methods , Arthralgia , Brucellosis/diagnosis , Brucellosis/drug therapy , Humans , Retrospective Studies , Treatment Outcome
2.
Rev. Assoc. Med. Bras. (1992, Impr.) ; 68(9): 1234-1239, Sept. 2022. tab
Article in English | LILACS-Express | LILACS | ID: biblio-1406641

ABSTRACT

SUMMARY OBJECTIVE: Positive results of the serum tube agglutination test that persist after treatment may be interpreted by clinicians as treatment failures. Therefore, our study examined the value of serum tube agglutination test in demonstrating treatment success. METHODS: In this retrospective study conducted at a single center, the pre- and post-treatment serum tube agglutination test titers of patients diagnosed with brucellosis were compared. RESULTS: The end-of-treatment serum tube agglutination test titer was negative in 24 (18%) of 139 patients diagnosed with brucellosis. The most common complaints of the patients were fever (78.4%), chills (88.5%), sweating (84.9%), anorexia (79.1%), and arthralgia (63.3%). The rate of positive blood culture before the treatment was 68.3%. The absence of fever (p=0.005) and arthralgia (p=0.024) and the pretreatment serum tube agglutination test titer of <1/160 (p=0.014) were significant markers of serological cure. CONCLUSION: Although serum tube agglutination test is an effective and very successful test in the diagnosis of brucellosis, our study shows that serum tube agglutination test is not useful in demonstrating the treatment success of human brucellosis in the early post-treatment period.

3.
Am J Med Sci ; 351(3): 279-85, 2016 Mar.
Article in English | MEDLINE | ID: mdl-26992257

ABSTRACT

AIM: This study aimed to investigate the rate of Panton-Valentine Leukocidin producing Staphylococcus aureus and methicillin (mecA) and slime (icaA/icaD) genes in staphylococcal strains isolated from nasal cavities of footballers. MATERIALS AND METHODS: Nasal swab samples were taken from each footballers and a healthy control group for the isolation of staphylococcal strains. The polymerase chain reaction technique was used to determine Panton-Valentine Leukocidin, mecA and icaA/icaD genes in staphylococcal isolates. RESULTS: Among 91 S. aureus strains, the presence of mecA gene was detected as 9.9%. This ratio was 17.9% (27 of 151) among the coagulase-negative staphylococci. A significant difference was found between coagulase-negative staphylococci and S. aureus isolates regarding the presence of mecA gene (P < 0.001). As for the genes of the slime, icaA/icaD genes were detected in 198 of 242 (81.8%) strains. The occurrence of slime genes was 91.2% and 89.4% among the S. aureus coagulase and negative staphylococci, respectively (P > 0.05). There was a statistically significant difference between the frequency of the mecA and slime genes when compared with the healthy control group and the football players (P < 0.01). Of 91 isolates, 22 were found to be methicillin resistant by the oxacillin disc diffusion method, whereas the remaining (220) were methicillin susceptible. Methicillin resistance was detected as 14.9% by the polymerase chain reaction method, whereas it was found as 9.1% by phenotypic methods. CONCLUSIONS: Early and accurate diagnosis of virulent staphylococcal strains is crucial because the virulent coagulase-negative and coagulase-positive staphylococcal strains in the nasal floras of footballers may be major potential sources of superficial and deep tissue infections.


Subject(s)
Athletes , Nasal Cavity/microbiology , Soccer , Staphylococcus aureus/isolation & purification , Virulence Factors/isolation & purification , Adolescent , Adult , Bacterial Proteins/isolation & purification , Bacterial Toxins/isolation & purification , Exotoxins/isolation & purification , Humans , Leukocidins/isolation & purification , Male , Penicillin-Binding Proteins/isolation & purification , Young Adult
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