In conclusion, pleurodesis using PRP and fibrin glue for chylothorax after trans-hiatal esophagectomy was associated with significantly increased success rate, decreased ICU stay, decreased overall hospital stay, and decreased mortality compared with surgical thoracic duct ligation. No patient after PRFG required additional intervention including surgery. Thus, given the improved outcomes with PRFG pleurodesis, this technique may be considered in all patients with postoperative chylothorax after or during conservative management and before proceeding to more invasive interventions.
The variable and conserved sequence boxes of kinetoplast DNA (kDNA) of 11 standard strains of 6 complexes of New and Old World Leishmania were amplified using PCR. Four strains from 2 complexes of Old World Leishmania - L. major (MRHO/IR/64/Nadim-1), with 2 bands at 850 and 620 bp, L. major (MHOM/SU/73/5-ASKH), with a band at 620 bp, L. donovani, with a band at 800 bp and L. infantum, with a band at 650 bp - could be differentiated from each other and from the New World strains, with the exception of L. infantum. Seven Leishmania strains from 4 complexes of New World Leishmania - L. mexicana and L. pifanoi, with a band at 730 bp, L. guyanensis, with 2 bands at 730 and 650 bp, L. peruviana, with a band at 710 bp and L. amazonensis, L. garnhami and L. braziliensis, each with a band at 650 bp - were identified. Of these strains, L. guyanensis and L. peruviana could be differentiated from each other and from the Old World strains. These results show that using PCR amplification of kDNA we could differentiate between New and Old World Leishmania at both complex and strain levels. The amplified kDNA PCR products, together with other techniques, could be useful as a diagnostic tool for the identification of Leishmania species.
Drug resistance is one of the major challenges to skin fungal infections, especially in tropical and subtropical infections caused by dermatophytes. This study aimed to determine the antifungal susceptibility of clinically dermatophytes and evaluate point mutations in terbinafine-resistant isolates. A total number of 123 clinical dermatophyte isolates in eight species were evaluated in terms of sensitivity to seven major antifungals. Furthermore, the point mutation in squalene epoxidase (SQLE) gene responsible for terbinafine resistance was studied. The dermatophytes species were identified by morphological characteristics and confirmed by the ITS sequencing. Also, the phylogenetic tree was drawn using the RAxML analyses for 123 dermatophytes isolates. A new XXIX genotype was also found in 4 Trichophyton mentagrophytes isolates. Based on the results obtained, terbinafine was the most effective antifungal drug followed by itraconazole and voriconazole. Trichophyton rubrum and Trichophyton tonsurans were the most susceptible species (MIC50 = 0.01, 0.09 μg/ml), and T. mentagrophytes was the most resistant species (MIC50 = 0.125 μg/ml) to terbinafine. Of the 123 dermatophytes isolates, six isolates showed reduced susceptibility to terbinafine, and only Trichophyton indotineae had a mutation in SQLE gene as a Phe397Leu substitution. Overall, the antifungal susceptibility test is necessary for managing dermatophytosis. These results help physicians to control the course of the disease and provide further insights to select effective drugs for patients with dermatophytosis, especially in tropical and subtropical regions of the world, where dermatophytosis is still a public health problem.
Currently there is no ideal procedure for the treatment of recalcitrant ulcers that are unresponsive to the majority of common treatments. However, several novel approaches have been proposed, including bone marrow stem cells, platelets, fibrin glue and collagen matrix. For the first approach treatment of a chronic wound, a non-invasive method is highly desirable. The present study was undertaken with the aim of evaluating the effect of a combination of platelets, fibrin glue and collagen matrix (PFC) in one treatment. A total of ten patients with aggressive, refractory, life-threatening wounds were recruited for the study and their treatment effects were evaluated. Initially, the ulcers were extensively debrided, measured and photographed at weekly intervals. The PFC combination was applied topically to the wound every two days. Following treatment, the wound was completely closed in nine patients and was markedly reduced in the other patient. The mean 100% healing time for the nine patients was 11.3±5.22 weeks. There was no evidence of local or systemic complications or any abnormal tissue formation, keloid or hypertrophic scarring. Therefore, the results of the present study indicate that in the first approach, the combination of PFC components may be used safely in order to synergize the effect of chronic wound healing.
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