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1.
Eur Rev Med Pharmacol Sci ; 28(4): 1398-1406, 2024 Feb.
Article in English | MEDLINE | ID: mdl-38436173

ABSTRACT

OBJECTIVE: Caudal block is a type of regional anesthesia suitable for inguinal hernia surgery in children. Our goal was to determine the effectiveness of caudal block combined with general anesthesia in providing intra- and postoperative analgesia and its effect on hemodynamic stability and drug consumption. PATIENTS AND METHODS: Prospective, randomized controlled study included 78 boys, 3-5 years, with an indication for inguinal herniorrhaphy, divided into groups G (general anesthesia, n=39) and G+C (general anesthesia + caudal block, n=39). We monitored hemodynamic parameters intraoperatively, postoperative pain, and total consumption of all medicaments in the perioperative period. The monitoring of complications and side effects of drugs was also carried out. RESULTS: Boys in group G had statistically significantly higher values of heart rate in the 5th minute (p<0.01), in the 25th minute (p<0.01), and after awakening from anesthesia (p<0.01). We obtained similar results with systolic and diastolic pressure values in the 5th minute (p<0.01), 15th minute (p<0.01), 25th minute (p<0.01), before awakening from anesthesia (p<0.01) and after awakening (p<0.01). They also had significantly statistically higher total consumption of propofol, fentanyl, and acetaminophen (p<0.01). Boys in group G+C had significantly lower postoperative pain scores: initially (p<0.01), after 2 hours (p<0.01), and after 5 hours (p<0.01). No complications occurred in this group. CONCLUSIONS: In children, the combination of general anesthesia with caudal block, compared to general anesthesia only, is more efficient in suppressing visceral pain, leading to better hemodynamic stability, and reducing the consumption of medicines in the perioperative period.


Subject(s)
Hernia, Inguinal , Male , Child , Humans , Hernia, Inguinal/surgery , Herniorrhaphy/adverse effects , Prospective Studies , Anesthesia, General/adverse effects , Pain, Postoperative
2.
Int Endod J ; 54(9): 1527-1537, 2021 Sep.
Article in English | MEDLINE | ID: mdl-33908039

ABSTRACT

BACKGROUND: The association between adverse pregnancy outcomes (APOs) and maternal apical periodontitis remains unclear as it has not been examined rigorously or reviewed systematically. OBJECTIVE: To systematically review and critically evaluate the available evidence on the association of maternal apical periodontitis with several APOs. METHODS: A literature search was conducted using the following electronic databases: Clarivate Analytics' Web of Science, Scopus, PubMed, and Cochrane Central Register of Controlled Trials (CENTRAL), from inception to 25 February 2021, with no language restrictions. Observational studies including longitudinal clinical trials, cohort, case-control and cross-sectional studies of prospective and retrospective design were included. Articles with duplicate or overlapping results, abstract-only papers, case reports, case series, animal studies and reviews were excluded. Two independent reviewers were involved in study selection, data extraction and appraising the included studies; disagreements were resolved by a third reviewer. The Newcastle-Ottawa Scale (NOS) and the adapted form of the NOS were used to assess the quality for case-control and cross-sectional studies, respectively. RESULTS: Two case-control and one cross-sectional study were included in the current review. The included studies were published between 2015 and 2017, with a total of 1187 participating individuals with an approximate age range of 15 to 40 years. As the included studies reported different outcomes, the heterogeneity of data prevented a meta-analysis being undertaken. The overall quality of the evidence was 'Fair' for two out of three included studies, while one study was categorized as 'Good'. DISCUSSION: Two out of three included primary studies had a substantial number of methodological inconsistencies and flaws, and therefore caution should be exercised in interpreting the results of this systematic review because several important covariates were not considered in the original investigations. CONCLUSION: Based on a limited volume and 'Fair' and 'Good' quality of evidence, a positive association between maternal apical periodontitis and APOs was observed. However, more 'Good' quality clinical studies are needed to confirm the results of the current review. FUNDING: None REGISTRATION: PROSPERO database (CRD42-2191987).


Subject(s)
Periapical Periodontitis , Pregnancy Outcome , Adolescent , Adult , Cross-Sectional Studies , Female , Humans , Periapical Periodontitis/epidemiology , Pregnancy , Prospective Studies , Retrospective Studies , Young Adult
3.
Int Endod J ; 54(7): 1083-1104, 2021 Jul.
Article in English | MEDLINE | ID: mdl-33544911

ABSTRACT

AIM: To critically evaluate the reporting quality of a random sample of clinical trials published in Endodontics against the PRIRATE 2020 checklist and to analyse the association between the quality of reported trials and a variety of parameters. METHODOLOGY: Fifty randomized clinical trials relating to Endodontics were randomly selected from the PubMed database from 2015 to 2019 and evaluated by two independent reviewers. For each trial, a score of '1' was awarded when it fully reported each item in the PRIRATE guidelines whereas a score of '0' was awarded when an item was not reported; when the item was reported inadequately a score of '0.5' was awarded. For the items that were not relevant to the trial, 'Not Applicable (NA)' was given. Based on the interquartile range of the overall scores received, trials were categorized into 'Low' (0-58.4%), 'Moderate' (58.5-72.8%) and 'High' (72.9-100%) quality. The associations between characteristics and quality of clinical trials were investigated. Descriptive statistics, frequency analysis and percentage analyses were used to describe the data. To determine the significance of categorical data, the chi-square test was used. The probability value 0.05 was considered as the level of significance. RESULTS: Based on the overall scores, 13 (26%), 25(50%) and 12 (24%) of the reports of clinical trials were categorized as 'High', 'Moderate' and 'Low' quality, respectively. Three items (1b, 6d, 11e) were adequately reported in all manuscripts whilst two items (5k, 5m) were scored 'NA' in all the reports. The reports published from Europe had a significantly greater percentage of 'High'-quality scores, compared to Asia, Middle East, North America and South America (P = 0.0002). The 'High'-quality reports were published significantly more often in impact factor journals (P = 0.045). Reports of clinical trials published in journals that adhered to the CONSORT guidelines had significantly more 'High' scores compared to those that did not (P = 0.008). Clinical trials with protocols registered a priori had a significantly greater percentage of 'High' scores compared to the trials that were not registered in advance (P = 0.003). No significant difference occurred between the quality of clinical trials and the number of authors, journal (Endodontic specialty vs. Non-Endodontic specialty) or year of publication. CONCLUSIONS: Reports of randomized clinical trials published in the speciality of Endodontics had a substantial number of deficiencies. To create high-quality reports of clinical trials, authors should comply with the PRIRATE 2020 guidelines.


Subject(s)
Checklist , Endodontics , Europe , Randomized Controlled Trials as Topic , Research Report
4.
Int Endod J ; 54(6): 858-886, 2021 Jun.
Article in English | MEDLINE | ID: mdl-33492704

ABSTRACT

Laws and ethics require that before conducting human clinical trials, a new material, device or drug may have to undergo testing in animals in order to minimize health risks to humans, unless suitable supporting grandfather data already exist. The Preferred Reporting Items for Animal Studies in Endodontology (PRIASE) 2021 guidelines were developed exclusively for the specialty of Endodontology by integrating and adapting the ARRIVE (Animals in Research: Reporting In Vivo Experiments) guidelines and the Clinical and Laboratory Images in Publications (CLIP) principles using a validated consensus-based methodology. Implementation of the PRIASE 2021 guidelines will reduce potential sources of bias and thus improve the quality, accuracy, reproducibility, completeness and transparency of reports describing animal studies in Endodontology. The PRIASE 2021 guidelines consist of a checklist with 11 domains and 43 individual items and a flowchart. The aim of the current document is to provide an explanation for each item in the PRIASE 2021 checklist and flowchart and is supplemented with examples from the literature in order for readers to understand their significance and to provide usage guidance. A link to the PRIASE 2021 explanation and elaboration document and PRIASE 2021 checklist and flowchart is available on the Preferred Reporting Items for study Designs in Endodontology (PRIDE) website (http://pride-endodonticguidelines.org/priase/).


Subject(s)
Endodontics , Research Design , Animals , Checklist , Humans , Reproducibility of Results , Research Report
5.
Int Endod J ; 53(10): 1374-1386, 2020 Oct.
Article in English | MEDLINE | ID: mdl-32648971

ABSTRACT

BACKGROUND: The existence of an association between cardiovascular diseases (CVDs) and apical periodontitis (AP) remains unclear because results obtained from previous clinical studies and reviews are inconsistent or inconclusive. OBJECTIVE: To conduct an umbrella review to determine whether there is an association between CVDs and the prevalence of AP in adults. METHODS: The protocol of the review was registered in the PROSPERO database (CRD42020185753). The literature search was conducted using the following electronic databases: Clarivate Analytics' Web of Science Scopus, PubMed and Cochrane Database of Systematic Reviews, from inception to May, 2020, with no language restrictions. Systematic reviews with or without meta-analysis that evaluated the association between CVDs and AP were included. Other types of studies, including narrative reviews, were excluded. Two reviewers independently performed a literature search, data extraction and quality assessment of included studies. Any disagreements or doubts were resolved by a third reviewer. The quality of the reviews was assessed using the AMSTAR 2 tool (A measurement tool to assess systematic reviews), with 16 items. A final categorization of the systematic reviews classified each as of 'high', 'moderate', 'low' or 'critically low' quality. RESULTS: Four systematic reviews were included in the current review. Three reviews were graded by AMSTAR 2 as 'moderate' quality, whereas one review was graded as 'critically low' quality. DISCUSSION: Only one systematic review included a meta-analysis. Substantial heterogeneity amongst the primary studies included within each systematic review was notable in preventing a pooled analysis. CONCLUSIONS: From the limited 'moderate' to 'critically low' quality evidence available, the current umbrella review concluded that a weak association exists between CVDs and AP. In the future, well-designed, longitudinal clinical studies with long-term follow-up are required.


Subject(s)
Cardiovascular Diseases , Periapical Periodontitis , Adult , Cardiovascular Diseases/epidemiology , Databases, Factual , Humans , Meta-Analysis as Topic , Periapical Periodontitis/complications , Periapical Periodontitis/epidemiology , Systematic Reviews as Topic
6.
Int Endod J ; 53(7): 895-904, 2020 Jul.
Article in English | MEDLINE | ID: mdl-32216135

ABSTRACT

AIM: To investigate the possible association between TNFα (-308 G/A) and IL-1ß (-511 C/T) single nucleotide polymorphisms (SNPs) and GSTT and GSTM deletion polymorphisms and risk of apical periodontitis (AP) development, and determine the association of different genotypes with the presence of herpesviral infection in AP. METHODOLOGY: The study included 120 periapical lesions and 200 control samples. Gene polymorphism analysis was performed using either polymerase chain reaction (PCR) or PCR/ restriction fragment length polymorphism (RFLP). Relative gene expression of TNF-α and IL-1ß was analysed using reverse transcriptase - real-time PCR. The presence of Epstein-Barr virus (EBV) and human cytomegalovirus (HCMV) was assessed by nested PCR. Chi-square and Fisher's exact tests and logistic regression analyses were done for polymorphisms, whilst Mann-Whitney U-test was performed for the expression analysis. The expected frequency of variants was analysed by the Hardy-Weinberg equilibrium test. RESULTS: TNF-α (-308 G/A) SNP increased AP susceptibility for heterozygous (odds ratio (OR) = 1.72, 95% confidence interval (CI) = 1.06-2.80, P = 0.027) and homozygous (OR = 8.55, 95% CI = 1.77-41.36, P < 0.001) carriers of the variant A allele. On the other hand, IL-1ß (-511 C/T) polymorphism exerted a protective effect both in heterozygotes (OR = 0.540, 95% CI = 0.332-0.880, P = 0.013) and homozygotes (OR = 0.114, 95% CI = 0.026-0.501, P < 0.001). In addition, GSTM1 and GSTT1 null genotypes separately, as well as concomitantly, were associated with an increased risk for AP development (P < 0.001). The null GSTT1 genotype increased approximately twice the risk of Epstein-Barr infection (EBV) in AP (OR = 2.17, 95% CI = 1-4.71, P = 0.048), whilst TNF-α SNP decreased it, both in heterozygotes (OR = 0.20, 95% CI = 0.08-0.48, P < 0.001) and AA homozygotes (OR = 0.07, 95% CI = 0.01-0.37, P = 0.001). CONCLUSIONS: GSTM and GSTT deletion polymorphisms, as well as TNFα (-308 G/A) SNP, are associated with increased risk, whereas IL-1ß (-511 C/T) polymorphism decreases the risk of AP development. GSTT and TNFα polymorphisms also appear to modulate the risk of EBV infection in Serbian patients with AP.


Subject(s)
Epstein-Barr Virus Infections/genetics , Glutathione Transferase/genetics , Interleukin-1beta/genetics , Periapical Periodontitis/genetics , Tumor Necrosis Factor-alpha/genetics , Case-Control Studies , Gene Frequency , Genetic Predisposition to Disease , Genotype , Herpesvirus 4, Human , Humans , Polymorphism, Restriction Fragment Length , Polymorphism, Single Nucleotide
7.
Int Endod J ; 51(6): 593-604, 2018 Jun.
Article in English | MEDLINE | ID: mdl-29315650

ABSTRACT

AIM: To investigate whether apical periodontitis lesions infected by Epstein-Barr virus (EBV) exhibit higher levels of oxidative stress biomarkers [8-hydroxydeoxyguanosine (8-OHdG) and oxidized glutathione (GSSG)] and bone resorption regulators [receptor activator of nuclear factor (NF-κB) ligand (RANKL) and osteoprotegerin (OPG)] compared to EBV-negative periapical lesions and healthy pulp tissues. METHODOLOGY: The experimental group consisted of 30 EBV-positive and 30 EBV-negative periapical lesions collected in conjunction with apicoectomy. The pulp tissues of 20 impacted third molars were used as healthy controls. The qualitative and quantitative analysis of EBV was performed by nested and real-time polymerase chain reaction (PCR), respectively. The levels of RANKL and OPG were analysed by reverse transcriptase real-time PCR. The levels of 8-OHdG and GSSG were determined by enzyme-linked immunosorbent assay (ELISA). Mann-Whitney U-test and Spearman's correlation were used for statistical analysis. RESULTS: The levels of RANKL, OPG, 8-OHdG and GSSG were significantly higher in apical periodontitis lesions compared to healthy pulp controls (P = 0.001, P < 0.001, P < 0.001 and P < 0.05, respectively). RANKL and OPG mRNA expression was significantly higher in EBV-positive compared to EBV-negative periapical lesions (P < 0.05). There was no significant correlation between EBV copy numbers and levels of RANKL, OPG, 8OH-dG and GSSG in apical periodontitis. CONCLUSION: Levels of bone resorption regulators and oxidative stress biomarkers were increased in apical periodontitis compared to healthy pulp tissues. EBV-positive periapical lesions exhibited higher levels of RANKL and OPG compared to EBV-negative periapical lesions. EBV may contribute to progression of apical periodontitis via enhanced production of bone resorption regulators.


Subject(s)
Bone Resorption/metabolism , Bone Resorption/virology , Epstein-Barr Virus Infections/metabolism , Herpesvirus 4, Human , Oxidative Stress , Periapical Periodontitis/metabolism , Periapical Periodontitis/virology , 8-Hydroxy-2'-Deoxyguanosine , Adult , Biomarkers/metabolism , Case-Control Studies , Deoxyguanosine/analogs & derivatives , Deoxyguanosine/metabolism , Enzyme-Linked Immunosorbent Assay , Female , Glutathione/metabolism , Humans , Male , Osteoprotegerin/metabolism , RANK Ligand/metabolism , Real-Time Polymerase Chain Reaction
8.
Oral Dis ; 24(5): 840-846, 2018 Jul.
Article in English | MEDLINE | ID: mdl-29316040

ABSTRACT

OBJECTIVES: This study aimed to analyse Epstein-Barr virus (EBV) and human cytomegalovirus (HCMV) viral loads in symptomatic and asymptomatic apical periodontitis lesions, to determine levels of TNF-α, IL-1ß and IL-6 in these lesions and to investigate a possible correlation between herpesviral copy numbers and levels of proinflammatory cytokines. MATERIALS AND METHODS: A total of 100 samples of apical periodontitis were subjected to HCMV and EBV copy numbers analysis by nested polymerase chain reaction (PCR) and TaqMan real-time PCR. The concentrations of TNF-α, IL-1ß and IL-6 were determined by ELISA method. SPSS software was used for statistical analysis. RESULTS: There were no significant differences in the occurrence of EBV and HCMV between symptomatic and asymptomatic periapical lesions (p = .686, p = .879, respectively). Only 12 of 74 EBV (16.2%) and four of 54 HCMV (13.5%) nested PCR-positive samples showed increased viral copy numbers above the limit of 125 copies/ml. There was no significant correlation between the levels of analysed proinflammatory cytokines and herpesviral copy numbers in our sample. CONCLUSION: The observed low viral loads point to a relatively rare occurrence of active EBV and HCMV infection in our sample. Latent herpesviral infection does not enhance the production of investigated proinflammatory cytokines.


Subject(s)
Cytokines/metabolism , Cytomegalovirus , Herpesvirus 4, Human , Periapical Periodontitis/metabolism , Periapical Periodontitis/virology , Viral Load , Adult , Cytomegalovirus/genetics , Female , Herpesvirus 4, Human/genetics , Humans , Interleukin-1beta/metabolism , Interleukin-6/metabolism , Male , Middle Aged , Tumor Necrosis Factor-alpha/metabolism
9.
Nervenarzt ; 88(Suppl 1): 1-29, 2017 Aug.
Article in German | MEDLINE | ID: mdl-28776213

ABSTRACT

People who have been convicted of a crime due to a severe mental disorder and continue to be dangerous as a result of this disorder may be placed in a forensic psychiatric facility for improvement and safeguarding according to § 63 and § 64 of the German Criminal Code (StGB). In Germany, approximately 9000 patients are treated in clinics for forensic psychiatry and psychotherapy on the basis of § 63 of the StGB and in withdrawal centers on the basis of § 64 StGB. The laws for treatment of patients in forensic commitment are passed by the individual States, with the result that even the basic conditions differ in the individual States. While minimum requirements have already been published for the preparation of expert opinions on liability and legal prognosis, consensus standards for the treatment in forensic psychiatry have not yet been published. Against this background, in 2014 the German Society for Psychiatry and Psychotherapy, Psychosomatics and Neurology (DGPPN) commissioned an interdisciplinary task force to develop professional standards for treatment in forensic psychiatry. Legal, ethical, structural, therapeutic and prognostic standards for forensic psychiatric treatment should be described according to the current state of science. After 3 years of work the results of the interdisciplinary working group were presented in early 2017 and approved by the board of the DGPPN. The standards for the treatment in the forensic psychiatric commitment aim to initiate a discussion in order to standardize the treatment conditions and to establish evidence-based recommendations.


Subject(s)
Commitment of Mentally Ill/legislation & jurisprudence , Commitment of Mentally Ill/standards , Interdisciplinary Communication , Intersectoral Collaboration , Mental Disorders/rehabilitation , National Health Programs/legislation & jurisprudence , Substance-Related Disorders/rehabilitation , Ambulatory Care/ethics , Ambulatory Care/legislation & jurisprudence , Ambulatory Care/standards , Commitment of Mentally Ill/ethics , Ethics, Medical , Expert Testimony/ethics , Expert Testimony/legislation & jurisprudence , Germany , Humans , National Health Programs/ethics , Patient Admission/legislation & jurisprudence , Patient Admission/standards , Prisoners/legislation & jurisprudence , Prisoners/psychology , Prognosis
10.
Eur Rev Med Pharmacol Sci ; 20(22): 4786-4790, 2016 11.
Article in English | MEDLINE | ID: mdl-27906421

ABSTRACT

OBJECTIVE: We investigated the significance of prostaglandin (PG)E2, trace elements level, pro-oxidative and antioxidative parameters changes in spontaneous miscarriages. PATIENTS AND METHODS: In the 125 first trimester pregnancies, 35 with complete spontaneous abortion (group S), 40 with missed abortion (M) and 50 healthy (H), PGE2 plasma concentrations were analysed by commercial ELISA kits, plasma trace elements colorimetrically, lipid peroxidation and the antioxidative enzyme activities in hemolysate by commercial sets. Student's t-test and ANOVA were applied. RESULTS: Average PGE2 plasma concentration in the group H was higher than in S and M (p < 0.05). The higher average plasma Cu concentration, glutathione peroxidase and catalase contents were in the group H than in groups S and M (p < 0.01). Significantly lower value of lipid peroxidation was in the group H than in the groups S and M (p < 0.01). The lowest superoxide dismutase (SOD) content was in the group H and the highest in group S (p < 0.01). CONCLUSIONS: In patients with abortions significantly lower levels of plasma PGE2, plasma Cu and anti-oxidative enzymes, except SOD, and significantly higher level of lipid peroxidation products than in healthy pregnancies may be important for miscarriage etiology and prevention.


Subject(s)
Abortion, Spontaneous/blood , Dinoprostone/blood , Trace Elements/blood , Antioxidants , Case-Control Studies , Catalase/blood , Female , Glutathione Peroxidase/blood , Humans , Lipid Peroxidation , Oxidative Stress , Pregnancy , Superoxide Dismutase/blood
11.
Nervenarzt ; 87(7): 780-6, 2016 Jul.
Article in German | MEDLINE | ID: mdl-26482288

ABSTRACT

BACKGROUND: In 2011 the legal foundations of coercive treatment in German forensic psychiatric clinics were declared to be unconstitutional. In the present study we analyzed the frequency of coercive procedures in forensic psychiatric hospitals before and after 2011, the consequences for medical care as well as the ethical assessments by attending chief physicians. METHODS: By a questionnaire-based survey of views of attending chief physicians in forensic psychiatric clinics in 2013, data on the current state of patient care were collected and analyzed from an ethical perspective. These were compared with treatment data from a large forensic psychiatric clinic collected over the period 2007-2013. RESULTS: Even after 2011 coercive forms of treatment were applied in forensic psychiatric hospitals. In practice, there is a high degree of legal uncertainty regarding the limits of coercive treatment. Of all patients treated in forensic psychiatric clinics in 2012, on average 13 % had been in isolation at least once, approximately 3 % had been treated under fixation at least once and 2.2 % had been subjected to coercive medical treatment at least once. CONCLUSION: From an ethical perspective an open debate about the practice of coercive treatment is urgently required. Legal regulations, ethical guidelines and treatment standards have to be developed for the special situation of patient care in forensic psychiatric hospitals.


Subject(s)
Coercion , Forensic Psychiatry/ethics , Forensic Psychiatry/statistics & numerical data , Hospitals, Psychiatric/ethics , Hospitals, Psychiatric/statistics & numerical data , Psychiatry/ethics , Germany , Health Care Surveys , Humans , Patient Isolation/ethics , Patient Isolation/statistics & numerical data , Practice Patterns, Physicians'/ethics , Practice Patterns, Physicians'/statistics & numerical data , Psychiatry/statistics & numerical data , Restraint, Physical/ethics , Restraint, Physical/statistics & numerical data
12.
Pediatr Dermatol ; 18(3): 213-6, 2001.
Article in English | MEDLINE | ID: mdl-11438001

ABSTRACT

Acanthosis nigricans (AN) is a disorder often accompanied by internal malignancy in adult patients, but in children it is usually benign. Generalized forms of AN, especially in childhood, are extremely rare. We report a 5-year-old boy with a 3-year history of AN who had generalized roughness and hyperpigmentation, numerous skin wrinkles, disseminated skin tags, tripe palms, and intensive pruritus. No clinical evidence of internal disorders, notably of an endocrinologic or neoplastic nature, have been detected thus far.


Subject(s)
Acanthosis Nigricans/pathology , Child, Preschool , Humans , Male , Skin/pathology
13.
Stomatol Glas Srb ; 37(5): 459-67, 1991.
Article in Croatian | MEDLINE | ID: mdl-1949083

ABSTRACT

In the chemotherapy of malignant diseases the cytostatic Vincristine is often used. Since literature data showed the negative effects of Vincristine on young cells of the healthy developing tissue, only animals were used in experiment of Vincristine testing. The purpose of this investigation was to evaluate the growth of the rat's maxilla and mandible in relation to time intervals following a single dose of Vincristine. The experiment concerned 80 Wistar rats of both sexes. Experimental animals (46) were subcutaneously injected, in the neck wrinkle, a single dose of 0.1 mg/kg BW of Vincristine, on the 7th or 8th postnatal day. The control group consisted of 34 untreated animals. Both treated and untreated animals were sacrificed on the 24th, 42nd and 57th postnatal day, respectively, by decapitation. Following isolation and removal of soft tissue remnants jaws were radiographed using Siemens X-ray dental device. Morphometric measurements were performed with the following parametres: front and rear width and height of the maxillary arc, sagittal and vertical dimensions and coronal length of mandibular incisors. Values were statistically computed and elaborated by Student t-test. The significant level was 5% (p less than 0.05). The results showed that the mean values of the majority of parametres of both jaws were significantly lower in the group of treated animals compared to untreated group.


Subject(s)
Jaw/drug effects , Maxillofacial Development/drug effects , Vincristine/adverse effects , Animals , Female , Male , Rats , Rats, Inbred Strains
14.
Stomatol Glas Srb ; 37(4): 349-56, 1991.
Article in Croatian | MEDLINE | ID: mdl-1785124

ABSTRACT

Chemotherapy is applied in the treatment of malignant disease to decrease the number of malignant cells, and to avoid damage of the living tissue and growing cells which must be reduced to the lowest level. In the combination of cytostatics Vincristine, a Vinca-alkaloid, is widely used. The purpose of this study was to analyse the pulp and dentine in experimental animals after the administration of Vincristine. Wistar rats of both sexes were used. Vincristine (Onkovin, Lilly) was injected in the neck skin fold on the 7th and the 8th postnatal day in a single dose of 0.1 mg/kg b.w. At the 24th postnatal day experimental and control animals were sacrificed. Both jaws with teeth were prepared for routine histologic examination. The results showed that Vincristine effect was different in different regions of the tooth. The number and disposition of odontoblasts was reduced in all areas of tooth sections, especially in the pulp horn. In the central part of coronal and radicular pulp tissue blood vessels were dilated and filled with blood cells. A histologic appearance of newly formed dentine was irregular.


Subject(s)
Dental Pulp/drug effects , Vincristine/adverse effects , Animals , Female , Male , Molar , Odontoblasts/drug effects , Rats , Rats, Inbred Strains
15.
Stomatol Glas Srb ; 36(4): 289-97, 1989.
Article in Croatian | MEDLINE | ID: mdl-2491174

ABSTRACT

A cystostatic of group Vinca-alcaloides, Vincristine, is often used in chemotherapy. As a microtubular poison it reacts with microtubular molecules of cell cytoplasma and in response to dose administrated decelerates or stops cell division. Since the information about the effect of this drug on molar teeth has not been found in available literature the aim of this study was to investigate the effect of vincristine on tooth development and jaw growth in rats. The experiment was carried out on Wistar rats of both sexes. Vincristine (Oncovin, "Lilly") was injected to animals in the dose of 0.1 mg/kg b.w. seven or eight days following birth. Treated and control animals were sacrificed on the 24th postnatal day. Radiographs of the mandibule were used to study tooth development. The morphometric examination concerned the following parameters: in maxillar frontal and posterior arc width and height; vertical and sagital dimension as well as length of incisive crown in the mandibule. The results of the analysis suggested that the teeth of treated rats were retarded in development compared to the control animals. Morphometric investigations showed that in treated rats both jaws were decelerated in growth in comparison to the control group but with no statistical significance. It should be emphasized that a 16-day-period was too short that full efficet of Vincristine should be established in rats and lead to a result which could suggest a certain molar development and jaw growth.


Subject(s)
Maxillofacial Development/drug effects , Odontogenesis/drug effects , Vincristine/adverse effects , Animals , Female , Male , Molar/drug effects , Rats , Rats, Inbred Strains
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