scholarly journals Morphometric analysis of the intercellular substance of hypertrophic scars after anti-scar treatment

2021 ◽  
Vol 11 (1) ◽  
pp. 39-46
Author(s):  
Sergey V. Minaev ◽  
Alina N. Grigorova ◽  
Oksana V. Vladimirova ◽  
Anna A. Ivchenko ◽  
Petr M. Lavreshin ◽  
...  

AIM: This study aimed to assess the formation of scar tissue after burns under the influence of an anti-scar gel. Understanding of the processes involving scars and the morphofunctional features of the tissue at different stages of development allows targeted selection of therapy and prevention of scars. MATERIALS AND METHODS: We conducted a comparative prospective analysis from 2005 to 2020. Of which two groups were identified. In group 1 (n = 47), burns were treated according to the standard scheme without the use of modern wound coverings. In group 2 (n = 41), early primary prevention of pathological scarring was performed, where the Contractubex gel was applied to the area of burn injury from the moment of epithelialization. Histological examination included the analysis of skin biopsies in the area of damage before and after conservative treatment. RESULTS: Histological examination showed quantitative changes in the cellular composition of the scar tissue in all groups. The average quantitative index of the fibroblast activity was significantly reduced in group 2 using Contractubex gel. Thickness of collagen fibers, according to the morphometric analysis, is most reduced in all layers of the dermis in group 2 (p 0.05). In group 1, collagen fibers are represented as nodular clusters; in some areas of the reticular layer of the dermis, fibers have a more fragmented appearance. In group 2, the use of Contractubex leads to a significant decrease in the level of tumor growth factor- in the papillary and reticular layers of the dermis. CONCLUSION: The use of Contractubex gel in the early prevention of pathological scarring significantly reduces the need for subsequent reconstructive surgical interventions

Author(s):  
Gamze Akkuş ◽  
Yeliz Sökmen ◽  
Mehmet Yılmaz ◽  
Özkan Bekler ◽  
Oğuz Akkuş

Background: We aimed prospectively investigate the laboratory and electrocardiographic parameters (hearth rate, QRS, QT, QTc, Tpe, Tpe/QTc, arrhythmia prevalance) in patients with graves disease before and after antithyroid therapy. Methods: 71 patients (48 female, 23 male), age between 18-50 (mean±SD: 36.48±12.20 ) with GD were included into the study. Patients treated with antithyroid therapy (thionamids and/or surgical therapy) to maintain euthyroid status. Patients were examined in terms of electrocardiographic parameters before and after the treatment. Results: Mean TSH, free thyroxin (fT4) and tri-iodothyrionine (fT3) levels of all patients were 0.005±0.21, 3.27± 1.81, 11.42±7.44, respectively. While 9 patients (group 2) underwent surgical therapy, had suspicious of malignant nodule or large goiter and unresponsiveness to medical treatment; the other patients (n=62, group 1) were treated with medical therapy. Patients with surgical therapy had more increased serum fT4 (p=0.045), anti-thyroglobulin value (p=0.018) and more severe graves orbitopathy (n=0.051) before treatment when compared to medical therapy group. Baseline Tpe duration and baseline Tpe/QTc ratio and frequency of supraventricular ectopic beats were found to be significantly higher in group 2 when compared to group 1 (p=0.00, p=0.005). Otherwise baseline mean heart rate, QRS duration, QTc values of both groups were similar. Although the patients became their euthyroid status, group 2 patients had still suffered from more sustained supraventricular ectopics beats than group 1. Conclusion: Distinct from medical treatment group, surgical treatment group with euthyroidism at least 3 months had still suffered from an arrhythmia (Tpe, Tpe/QTc, supraventricular and ventricular ectopic beats).


2020 ◽  
Vol 5 (1) ◽  
pp. 28-31
Author(s):  
Lyubov V. Fileva ◽  
Andrey Y. Ovchinnikov

Objectives - to compare the condition of the nasal cavity after a dacryocystorhinostomy of external and endonasal access. Material and methods. Comparative assessment of the results of the study of 96 patients with chronic dacryocystitis was done. The patients were divided into 2 groups: group 1 included persons who underwent the videoendoscopic endonasal dacryocystorhinostomy; group 2 - patients with external dacryocystorhinostomy. For all the participants, there were registered the complaints and anamnesis, the data of video-endoscopy of the nasal cavity, anterior active rhinomanometry, transport and olfactory functions. The information on the state of the nasal cavity after surgery in the vertical section of the lacrimal ducts was also obtained. Results. In both groups we revealed the changes in the mucous membrane, in the anatomical structures of the nasal cavity, in the mobility of the ciliated epithelium, respiratory functions and olfaction. When comparing the results in both groups, the statistically significant differences were found in the questionnaire data - a complaint of lacrimation, and the data on the mucociliary clearance disorders (p


2017 ◽  
Vol 313 (2) ◽  
pp. F192-F198 ◽  
Author(s):  
Se Young Choi ◽  
Sangjun Yoo ◽  
Dalsan You ◽  
In Gab Jeong ◽  
Cheryn Song ◽  
...  

Partial nephrectomy aims to maintain renal function by nephron sparing; however, functional changes in the contralateral kidney remain unknown. We evaluate the functional change in the contralateral kidney using a diethylene triamine penta-acetic acid (DTPA) renal scan and determine factors predicting contralateral kidney function after partial nephrectomy. A total of 699 patients underwent partial nephrectomy, with a DTPA scan before and after surgery to assess the separate function of each kidney. Patients were divided into three groups according to initial contralateral glomerular filtration rate (GFR; group 1: <30 ml·min−1·1.73 m−2, group 2: 30–45 ml·min−1·1.73 m−2, and group 3: ≥45 ml·min−1·1.73 m−2). Multiple-regression analysis was used to identify the factors associated with increased GFR of the contralateral kidney over a 4-yr postoperative period. Patients in group 1 had a higher mean age and hypertension history, worse American Society of Anesthesiologists score, and larger tumor size than in the other two groups. The ipsilateral GFR changes at 4 yr after partial nephrectomy were −18.9, −3.6, and 3.9% in groups 1, 2, and 3, respectively, whereas the contralateral GFR changes were 10.8, 25.7, and 38.8%. Age [β: −0.105, 95% confidence interval (CI): −0.213; −0.011, P < 0.05] and preoperative contralateral GFR (β: −0.256, 95% CI: −0.332; −0.050, P < 0.01) were significant predictive factors for increased GFR of the contralateral kidney after 4 yr. The contralateral kidney compensated for the functional loss of the ipsilateral kidney. The increase of GFR in contralateral kidney is more prominent in younger patients with decreased contralateral renal function.


2019 ◽  
Author(s):  
ADEM KOSE

Abstract Background Irrational antibiotic use can adversely affect treatment outcomes or even lead to increased antimicrobial resistance. We aimed to determine antimicrobial prescribing habits and to evaluate the level of theoretical knowledge of rational antibiotic use and awareness about antimicrobial resistance among the senior students of medical faculty and the family physicians in Malatya province in Turkey. Methods This study was cross-sectional research and was carried out between dates of 01 February-30 April 2019, in Malatya province. Power analysis was calculated as minimum 240 participants when considering a proportion difference of 0.18 between the groups, a type I error of 0.05 and a type II error of 0.20. A total 225 senior students in Inonu University Medical Faculty (Group 1) and 230 actively-working family physicians in Malatya primary healthcare services who were found eligible (Group 2) were included in to this study. A questionnaire form was prepared including seven sections and thirty questions. All of the participants were interviewed face to face. Before the questions, the purpose of the study and the contents of the questions were explained to participants. Qualitative data were analyzed by Pearson chi-square test. A p<0.05 value was considered to be statistically significant. Results The group 1 had a tendency to apply to specialist physician when starting to themselves antibiotic treatment, they were more cautious when making antibiotic decision, and their theoretical knowledge level was better. They argued that penal sanctions could be more effective by developing strict use policies to raise awareness of resistance to antibiotics. The group 2 had higher self-confidence and it was also concluded that forgot their theoretical antibiotic knowledge over time and could not follow the novel information because of the intensity of working life. Both groups stated that post-graduation trainings could be used effectively for reducing the antibiotic resistance. Conclusion This study highlighted the need for immediate action of training and corrective actions and might create awareness to determine the difference in theoretical knowledge levels and behavior models of physicians before and after graduation and to reduce higher use rates to lower levels. Key words: Antimicrobial resistance, antibiotic, awareness, rational use


2005 ◽  
Vol 42 (6) ◽  
pp. 679-686 ◽  
Author(s):  
Enkhtuvshin Gereltzul ◽  
Yoshiyuki Baba ◽  
Kimie Ohyama

Objective To investigate the eruption pattern of the cleft-side canine regarding its pre-eruption position relative to the cleft in bone-grafted (BG) and nongrafted (NonBG) patients with cleft lip and palate. Methods Fifty-three patients with cleft lip and palate (21 BG, 32 NonBG) were examined by panoramic radiography and posteroanterior cephalography taken before and after canine eruption. Subjects were categorized into BG, NonBG, and control groups. Canines at the pre-eruption stage were categorized as close to (group 1) or distant from (group 2) the cleft area. The canine angle and its change between the two stages were evaluated. Results No significant differences were noted between the initial canine angle of the BG and NonBG groups. Although canines in the BG group erupted without a significant change in angle, the canine angle increased significantly (p < .0001) in the NonBG and control groups. In group 1, a greater change in canine angle was noted in the NonBG (p < .05) and control (p < .01) groups than in the BG group. In group 2, no significant difference was noted among the three groups. Conclusions In BG patients, a canine located near the cleft appears to erupt at the same angle as it had before grafting. However, in NonBG patients, it erupts more vertically, guided by cortical bone. For canines distant from the cleft area, there is no significant difference in the change in angulation between NonBG and BG patients.


2020 ◽  
Vol 93 (1108) ◽  
pp. 20190929 ◽  
Author(s):  
Nikita Sushentsev ◽  
Iztok Caglic ◽  
Evis Sala ◽  
Nadeem Shaida ◽  
Rhys A Slough ◽  
...  

Objective: To introduce capped biparametric (bp) MRI slots for follow-up imaging of prostate cancer patients enrolled in active surveillance (AS) and evaluate the effect on weekly variation in the number of AS cases and total MRI workload. Methods: Three 20 min bpMRI AS slots on two separate days were introduced at Addenbrooke’s Hospital, Cambridge. The weekly numbers of total prostate MRIs and AS cases recorded 15 months before and after the change (Groups 1 and 2, respectively). An intergroup variation in the weekly scan numbers was assessed using the coefficient of variance (CV) and mean absolute deviation; the Mann–Whitney U test was used for an intergroup comparison of the latter. Results: In AS patients, a shift from considerable to moderate variation in weekly scan numbers was observed between the two groups (CV, 51.7 and 26.8%, respectively); mean absolute deviation of AS scans also demonstrated a significant decrease in Group 2 (1.28 vs 2.58 in Group 1; p < 0.001). No significant changes in the variation in total prostate MRIs were observed, despite a 10% increased workload in Group 2. Conclusion: A significant reduction in weekly variation of AS cases was demonstrated following the introduction of capped bpMRI slots, which can be used for more accurate long-term planning of MRI workload. Advances in knowledge: The paper illustrates the potential of introducing capped AS MRI slots using a bp protocol to reduce weekly variation in demand and allow for optimising workflow, which will be increasingly important as the demands on radiology departments increase worldwide.


2008 ◽  
Vol 294 (2) ◽  
pp. R510-R519 ◽  
Author(s):  
Leanid Luksha ◽  
Henry Nisell ◽  
Natallia Luksha ◽  
Marius Kublickas ◽  
Kjell Hultenby ◽  
...  

We hypothesized that in preeclampsia (PE), contribution of endothelium-derived hyperpolarizing factor (EDHF) and the mechanism/s of its action differ from that in normal pregnancy (NP). We aimed to assess endothelial function and morphology in arteries from NP and PE with particular focus on EDHF. Arteries (≈200 μm) were dissected from subcutaneous fat biopsies obtained from women undergoing cesarean section. With the use of wire myography, responses to the endothelium-dependent agonist bradykinin (BK) were determined before and after inhibition of pathways relevant to EDHF activity. The overall responses to BK in arteries from PE ( n = 13) and NP ( n = 17) were similar. However, in PE, EDHF-mediated relaxation was reduced ( P < 0.05). All women within the PE group were divided into two subgroups: with more ( group 1) or less ( group 2) than 50% reduction of EDHF-typed responses after 18-α-glycyrrhetinic acid (an inhibitor of myoendothelial gap junctions, MEGJs). The division showed that 1) MEGJs are principally involved when the EDHF contribution is reduced; and 2) when the EDHF contribution is similar to that in NP, the H2O2 and/or cytochrome P-450 epoxygenase products of arachidonic acid (AA), along with MEGJs, confer EDHF-mediated relaxation. In contrast, MEGJs were the main pathway for EDHF in NP. The abundant presence of MEGJs in arteries from NP but deficiency of them in PE was observed using transmission electron microscopy. We conclude that PE is associated with heterogeneous contribution of EDHF, and the mechanism behind EDHF-typed responses is mediated either by MEGJs alone or in combination with H2O2 or cytochrome P-450 epoxygenase metabolites of AA.


2016 ◽  
Vol 2016 ◽  
pp. 1-6
Author(s):  
Nihat Polat ◽  
Abuzer Gunduz

Purpose.To obtain information about effect of cycloplegia on keratometry and biometry in keratoconus.Methods.48 keratoconus (Group 1) and 52 healthy subjects (Group 2) were included in the study. We measured the flat meridian of the anterior corneal surface (K1), steep meridian of the anterior corneal surface (K2), lens thickness (LT), anterior chamber depth (ACD), and axial length (AL) using the Lenstar LS 900 before and after cycloplegia.Results.The median K1 in Group 1 was 45.64 D before and 45.42 D after cycloplegia, and the difference was statistically significant (P<0.05). The median K2 in Group 1 was 50.96 D before and 50.17 D after cycloplegia, and the difference was significant (P<0.05). The median K1 and K2 in Group 2 were 42.84 and 44.49 D, respectively, before cycloplegia, and 42.84 and 44.56 D after cycloplegia, and the differences were not statistically significant (allP>0.05). There were significant differences in SE, LT, ACD, and RLP between before and after cycloplegia in either Group 1 (allP<0.05) or Group 2 (allP<0.05). There were not statistically significant differences in AL between before cycloplegia and after cycloplegia in either Group 1 (P=0.533) or group 2 (P=0.529).Conclusions.Flattened corneal curvature and increase in ACD following cycloplegia in keratoconus patients were detected.


1996 ◽  
Vol 33 (3) ◽  
pp. 193-206 ◽  
Author(s):  
P. Crepet ◽  
S. Caracciolo ◽  
D. Fabbri ◽  
A. Tomelli ◽  
S. Tugnoli ◽  
...  

Parasuicide and aftercare treatment in a Community Mental Health Service (CMHS) were studied both retrospectively and prospectively. Data were extracted from CMHS Epidemiological Register. Six hundred and fifty persons were recruited (450 F, 200 M), referring to 779 parasuicide episodes. Higher rates (102/100,000) were observed in females in the age class fifteen to twenty-four, while the general rate was 52.79. Psychiatric care was studied for 311 suicide attempters, subsequently divided in three Groups. Thirty-nine subjects (12.5%) previously unknown at CMHS resulted to receive psychiatric treatment after follow up (GROUP 1), while seventy-two attempters (23.15%) with previous contact (GROUP 2) remained mostly (16.4%) in contact; two-hundred subjects (64.3%) without previous contact were still unknown after parasuicide (GROUP 3). Parasuicide repetition was higher for Group 2, while suicide incidence was higher for Group 1. Results suggest that most peclple skip psychiatric care before and after parasuicide.


2012 ◽  
Vol 2012 ◽  
pp. 1-4 ◽  
Author(s):  
J. M. Bohbot ◽  
J. M. Cardot

The use of probiotics in the prevention or treatment of some vaginal infections has been the subject of numerous studies. To assess the presence ofLactobacillus casei rhamnosus(LCR35) in the vagina after an oral administration, an open randomised pilot study was conducted on 20 healthy women of child-bearing age.Materials and Methods. 2 groups of 10 women were given a 28-day oral course, that is, at least 108 CFU/day (group 1) or2×108 CFU/day (group 2) of LCR35. Nugent score and vaginal screening for LCR35 were undertaken before and after 28 days of treatment.Results. The mean Nugent score decreased in group 1 (−0,2) as well as in group 2 (−0,3). 10% of women in group 1 versus 40% of women in group 2 were carrying LCR35 at the end of the trial.Conclusion. LCR35, at the minimal dose of 2 × 108 CFU/day, can return the Nugent score to normal in healthy women of child-bearing age, by means of a well-tolerated vaginal temporary presence. Phase III clinical trials will specify the preventive or curative impact of this orally administered strain on a range of vaginal disorders such as bacterial vaginosis or vulvovaginal candidiasis.


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