Effects Attributed to Maleic Hydrazide when used for Chemical Sucker Control on Bright Tobacco

Author(s):  
Heinz Seltmann

AbstractThe effect of maleic hydrazide (MH) per se on bright tobacco was determined by comparing plants treated with MH to those without MH under conditions of good chemical sucker control. Sequential applications of each of five contact-type agents with MH one week later (Group I) were compared to dual applications of each of the same contact agents (Group II). In Group II suckers missed during applications were individually wetted to ensure excellent control. Sucker control was measured as 95 % for Group I and assumed to be 99 % for Group II. There were no agronomic differences between Groups I and II. In the visual warehouse appraisal, there was only a statistical difference for thin-bodied tobaccos between the two groups and a trend for slightly more heavy-bodied tobaccos in Group I. The chemical and physical analyses showed that filling value at 13 % moisture and equilibrium moisture content (EMC) measured at 60 % relative humidity were significantly lower in Group I than Group II. The result for EMC was questioned. Actual values for total alkaloids, total volatile bases minus nicotine, total ash, and alkalinity number of water-soluble ash were lower and reducing sugars were higher where MH was used. Except for EMC, the findings in this study reflected those established in studies where MH-treated and normally hand-suckered tobaccos were compared, but the differences here were generally not as great.

2021 ◽  
Vol 41 (1) ◽  
pp. 59-62
Author(s):  
Edela Puricelli ◽  
Deise Ponzoni ◽  
Carlos Eduardo Baraldi ◽  
Jorge Vianna Dias da Silva ◽  
Carlos Fernando Rozas Cardoso

Aims: evaluate the differences of infiltration by apical surface after apicoectomy and different kinds of root finishing. Materials and method: Sixty human cuspids were endodontically treated and received apicoectomy, and were divided in three alleatory groups. Group I received no finishing after the apicoectomy. Group II received standard multifluted bur finishing. Group III received the same finishing of group II, plus brunishing bur. Root surfaces and canal were coated with nail polishing except apical surface. The roots were immersed in 2% methylene blue for 72 hours. Infiltration in internal root surfaces was measured using millimetred magnifying glass by one "blind" examinator. Data were submitted to ANOVA. Results: Group I presented higher infiltration values than groups II and III. These two groups had no statistical difference, although group III showed lower values. Conclusions: finishing of apical surfaces after root resection using multifluted burs have reduced infiltration by dentine. Additional finishing using brunishing burs could even reduce the infiltration, with no statistically significant differences.


2019 ◽  
Vol 37 (15_suppl) ◽  
pp. e17569-e17569
Author(s):  
Ayush Garg ◽  
Piyush Kumar ◽  
Arvind Kumar Chauhan ◽  
Pavan Kumar

e17569 Background: Concurrent Cisplatin with radiotherapy improves outcomes in locally advanced squamous cell carcinomas of the head neck.Cisplatin at 35mg/m2(weekly) raise compliance & hospitalization. There are only few reports on efficacy and toxicity of low dose Cisplatin (6mg/m2). Hence the purpose of this study was to evaluate the compliance and clinical outcomes between two concurrent cisplatin chemotherapy regimens & to see long term effects. Methods: Total 50 patients were included in study from Nov 2015 to Mar 2017 with 25 in each group. Radiotherapy given 70Gy/35# in 7weeks & Cisplatin at 35mg/m2 weekly (Group I) and 6mg/m2 daily (Group II). Assessment of toxicity was done by RTOG scoring criteria. WHO Response criterion was used to assess clinical response. Median follow up was 6 months. Results: Group I(80%) and Group II(84%)patients completed Radiotherapy. In Group I 48% patients received less than 6 cycles and Group II 40% received ≤25 cycles chemotherapy. Median OTT in Group I & II in was 51 & 52days. Neutropenia & Mucositis statistically insignificant between both groups.There was no statistical difference in complete response between the two groups. In Group I 40% patients developed Progressive disease on follow up as compared to 12% in Group II(p-0.02). After 1.5 years of follow up, Group I vs Group II 4 patients had complete response, 6 had recurrence & 11 vs 4 patients expired (p-0.03). At a median follow up of 6 months overall survival in Group I and II was 56% and 44%(p-0.39). While as median disease free survival in Group I & II was 6.6 & 11.9 months(p-0.14). Conclusions: Low dose daily Cisplatin offers ease of administration in the outpatient clinic, better tolerability and better quality of life.Group II patients were more compliant in terms of patients receiving chemotherapy or completing radiotherapy. At median follow up of 6 months there was no statistical difference in terms of overall and disease-free survival. The statistical difference was seen in terms of patients expired in Group I (44%) as compared to Group II (16%). Therefore, we need a larger number of patients for the use of low dose Cisplatin to be evaluated in future clinical trials.


2006 ◽  
Vol 4 (5) ◽  
pp. 392-399 ◽  
Author(s):  
Kadir Kotil ◽  
Ufuk Kuscuoglu ◽  
Mehmet Kirali ◽  
Hafize Uzun ◽  
Mustafa Akçetin ◽  
...  

Object No definitive treatment for spinal cord injuries (SCIs) exists, and more research is required. The use of agmatine [4-(aminobutyl)-guanidine-NH2-CH2-CH2-CH2-CH2-NH-C(-NH2)(=NH)], a guanidinium compound formed by decarboxylation of l-arginine by arginine decarboxylase, is a neurotransmitter–neuromodulator with both N-methyl-d-aspartate receptor (NMDAR)–antagonizing and nitric oxide synthase (NOS)–inhibiting activities. The purpose of this study was to demonstrate the dose-dependent activity of agmatine, an inducible NOS (iNOS) inhibitor and selective NMDAR antagonist, on biochemical and functional recovery in an experimental rat SCI model. Methods This study involved 40 Wistar albino male rats. The rats were subjected to sleep–awake cycles for 7 days before surgery. In each group, general anesthesia was induced by a 60-mg/kg ketamine injection. For the surgical SCI model, a Yas¸argil aneurysm clip was placed in the spinal cord. The study was conducted in the following four main groups: Group I (control group) laminectomy only; Group II, trauma-only group and SCI; Group III, laminectomy, SCI and agmatine 50 mg/kg for 10 days; and Group IV, laminectomy, SCI, and agmatine 100 mg/kg for 10 days. On Day 1, no statistical difference was observed in any group (p < 0.005, analysis of variance [ANOVA] and the Fisher protected least significant difference [PLSD]). On Day 2, no statistical difference was noted among Groups II, III, and IV (p = 0.27, p = 0.42, and p = 0.76, respectively; ANOVA and Fisher PLSD). Beginning on Day 3, recovery in Groups III and IV differed significantly from that in Group II (p < 0.005, ANOVA and Fisher PLSD), and a statistically significant difference between Groups III and IV was observed, which also was present on Days 5, 7, and 10 (p = 0.003, p = 0.0024, and p = 0.0036, respectively; ANOVA and Fisher PLSD). Several observations were noteworthy: motor function scores were reduced significantly in the spinal cord–injured rats compared with the controls (p < 0.005); on Day 1, the agreement of motor function scores in rats in each SCI group indicated that the traumatic event had been replicated equally across all groups (p = 0.59, p = 0.59, and p = 0.28); a statistically significant difference in motor function scores developed on Day 3 between the rats subjected to trauma alone (Group II) and those treated with agmatine (Groups III and IV) (p < 0.005); and no statistically significant intergroup difference in motor function existed at any postinjury interval between the 50- and 100-mg/kg/day agmatine–treated rats (p > 0.005). Conclusions Agmatine administration following SCI was shown to reduce NO levels significantly. No statistically significant intergroup difference in the reduction of NO levels was found between rats treated with 50- and 100-mg/kg/day doses of agmatine. Administration of a 100-mg/kg/day dose of agmatine reduced the NO levels to those measured in controls. The authors conclude that with additional studies into the role of agmatine, this drug may be helpful in the treatment of patients with SCIs.


2017 ◽  
Vol 2 (2) ◽  
pp. 55-60
Author(s):  
Saranya Dhanapal ◽  
Nivedhitha M Sureshbabu

ABSTRACT Aim The aim of this study was to compare the postoperative sensitivity using two flowable composites in noncarious cervical lesions (NCCLs). Materials and methods A total of 136 teeth were randomly divided into two groups. In group I, 68 restorations were done using Filtek Z350 XT and in group II, 68 restorations were done using G-aenial GC Universal Flo. Sensitivity was evaluated using air blast, cold water, and cold ice stick. Visual analog scale (VAS) was used to record the sensitivity scores at baseline and at 2 days, 1 week, and 4 weeks after the treatment. Results When compared between Filtek and G-aenial groups in each test and at each time point, there was no significant difference in the reduction of postoperative sensitivity. Conclusion Within the limitations of this study, it can be concluded that there was no statistical difference in the reduction of postoperative sensitivity between group I (Filtek Z350XT) and group II (G-aenial universal flow) when used in NCCLs. Clinical significance There was no statistical difference in the reduction of postoperative sensitivity between two flowable composites when used in NCCLs. How to cite this article Dhanapal S, Sureshbabu NM. Comparison of the Postoperative Sensitivity using Two Flowable Composites in Noncarious Cervical Lesions: A Randomized Blinded Clinical Trial. J Oper Dent Endod 2017;2(2):55-60.


QJM ◽  
2021 ◽  
Vol 114 (Supplement_1) ◽  
Author(s):  
Ayman Gamal ◽  
Amr Magdy ◽  
Neven Mahmoud ◽  
Ahmad F El Sherif ◽  
Ahmed M Gad

Abstract Background Flexor tendon injuries are a commonly occurring injury presenting to hand surgeons. Using PRP to augment tendon healing has been advocated only recently. Few studies discussed the effect of injection of PRP in tendon healing after tendon repair in large joints as regard functional outcome and range of motion (e.g. Achilles tendon and rotator cuff) Objective To study the effect of combination of PRP injection with physiotherapy on gliding and range of motion improvement after zone II flexor tendon repair. Patients and Methods prospective interventional controlled clinical study preformed on 40 patients with zone II flexor tendon injury. Patients were divided into two groups, group I (interventional group) PRP was injected around the tendon at the site of repair after one and six weeks of repair and patients received physiotherapy according to our unit protocol. In group II (control group) patients received physiotherapy only. Both groups were evaluated at six and twelve weeks regarding the range of motion according to Buck-Gramko II criteria. Results Based on the Buck-Gramcko II criteria, the overall results ranged between fair and good in both groups after six weeks of repair, the score ranged between 7-16 (mean= 11.5) in group I and 6-14 (mean= 10) in group II, There was no statistical difference between the two groups (P = 0.46).After 12 weeks of repair, the overall results ranged between good and excellent in both groups, the score ranged between 11-17 (mean= 14) in group I and 9-16 (mean=12.5) in group II. There was no statistical difference between the two groups (p = 0.207). Conclusion PRP injection had no statistical significant effect of on the gliding after flexor tendon repair at zone II.


Author(s):  
Mukesh Choudhary ◽  
Neeti Mahla

Background:  Midazolam is a water-soluble, short acting benzodiazepine. The objective of our study was to study the effect of two different doses of oral midazolam premedication on propofol induction dose and characteristics. Methods: Randomized, prospective, double blind study conducted on 100 ASA I and II patients, falling between the age group of 18-60 yrs were randomly divided in to two groups, group I and group II, who received 7.5mg and 15mg midazolam orally 45 mins before the surgery respectively. Results: Mean time taken for induction in group-A was significantly higher in group-I as compare to group-II. No significant difference was noted with respect to degree of sedation, changes in the heart rate and means arterial pressure, oxygen saturation between the two groups. Conclusion: Our study concluded that 15mg midazolam premedication offers more benefits than 7.5mg midazolam by reducing induction dose of propofol without any undesirable effects like excess sedation, bradycardia and hypotension. Keywords: Midazolam, Induction, Premedication


2020 ◽  
Vol 5 (2) ◽  
pp. 26-29
Author(s):  
S. Ankalagowri Sankardevar ◽  
N R Arjun ◽  
Uthkala B Hegde

Background: Postoperative sore throat is one of the most common complications after endotracheal intubation. The present study was conducted to assess the role of betamethasone gel applied over the endotracheal tube cuff for attenuation of POST in patients undergoing surgeries under GA with endotracheal intubation and compare it with ketamine nebulization. Subjects and Methods : This is a randomized controlled prospective study conducted in 90 patients of either sex between 18-70 years of age divided into three groups. Group I patients received ketamine 50 mg, group II received 3 ml of water soluble 0.05% betamethasone gel, group III received 3 ml of water soluble 2% lignocaine. POST was graded on a four-point scale (0–3); 0 = no sore throat; 1 = mild sore throat (complains of sore throat only on questioning); 2 = moderate sore throat (complains of sore throat on his/her own); 3 = severe sore throat (change of voice or hoarseness, associated with severe throat pain). Results: The mean duration of surgery in group I was 128.5 minutes, in group II was 131 minutes and in group III was 134.5 minutes. There were 6 (20%), 7 (23.3) and 14 (46.6%) cases in group I, II and III respectively. The difference was significant (P< 0.05). At 0 hour there were 3 cases in group I, II and 10 in group III, at 2 hours was 3, 5 and 12 in group I, II and III respectively, at 6 hours was 5,4 and 14 cases in group I, II and III respectively, at 12 hours was 3, 3 and 12 cases in group I, II and III respectively and at 24 hours was 2, 2 and 12 cases in group I, II and III respectively. Conclusion: Authors found that POST can be equally managed with nebulisation with ketamine preoperatively and application of betamethasone gel over endotracheal tube cuff.


Author(s):  
K.K. SEKHRI ◽  
C.S. ALEXANDER ◽  
H.T. NAGASAWA

C57BL male mice (Jackson Lab., Bar Harbor, Maine) weighing about 18 gms were randomly divided into three groups: group I was fed sweetened liquid alcohol diet (modified Schenkl) in which 36% of the calories were derived from alcohol; group II was maintained on a similar diet but alcohol was isocalorically substituted by sucrose; group III was fed regular mouse chow ad lib for five months. Liver and heart tissues were fixed in 2.5% cacodylate buffered glutaraldehyde, post-fixed in 2% osmium tetroxide and embedded in Epon-araldite.


1998 ◽  
Vol 80 (09) ◽  
pp. 393-398 ◽  
Author(s):  
V. Regnault ◽  
E. Hachulla ◽  
L. Darnige ◽  
B. Roussel ◽  
J. C. Bensa ◽  
...  

SummaryMost anticardiolipin antibodies (ACA) associated with antiphospholipid syndrome (APS) are directed against epitopes expressed on β2-glycoprotein I (β2GPI). Despite a good correlation between standard ACA assays and those using purified human β2GPI as the sole antigen, some sera from APS patients only react in the latter. This is indicative of heterogeneity in anti-β2GPI antibodies. To characterize their reactivity profiles, human and bovine β2GPI were immobilized on γ-irradiated plates (β2GPI-ELISA), plain polystyrene precoated with increasing cardiolipin concentrations (CL/β2GPI-ELISA), and affinity columns. Fluid-phase inhibition experiments were also carried out with both proteins. Of 56 selected sera, restricted recognition of bovine or human β2GPI occurred respectively in 10/29 IgA-positive and 9/22 IgM-positive samples, and most of the latter (8/9) were missed by the standard ACA assay, as expected from a previous study. Based on species specificity and ACA results, IgG-positive samples (53/56) were categorized into three groups: antibodies reactive to bovine β2GPI only (group I) or to bovine and human β2GPI, group II being ACA-negative, and group III being ACA-positive. The most important group, group III (n = 33) was characterized by (i) binding when β2GPI was immobilized on γ-irradiated polystyrene or cardiolipin at sufficient concentration (regardless of β2GPI density, as assessed using 125I-β2GPI); (ii) and low avidity binding to fluid-phase β2GPI (Kd in the range 10–5 M). In contrast, all six group II samples showed (i) ability to bind human and bovine β2GPI immobilized on non-irradiated plates; (ii) concentration-dependent blockade of binding by cardiolipin, suggesting epitope location in the vicinity of the phospholipid binding site on native β2GPI; (iii) and relative avidities approximately 100-fold higher than in group III. Group I patients were heterogeneous with respect to CL/β2GPI-ELISA and ACA results (6/14 scored negative), possibly reflecting antibody differences in terms of avidity and epitope specificity. Affinity fractionation of 23 sera showed the existence, in individual patients, of various combinations of antibody subsets solely reactive to human or bovine β2GPI, together with cross-species reactive subsets present in all samples with dual reactivity namely groups III and II, although the latter antibodies were poorly purified on either column. Therefore, the mode of presentation of β2GPI greatly influences its recognition by anti-β2GPI antibodies with marked inter-individual heterogeneity, in relation to ACA quantitation and, possibly, disease presentation and pathogenesis.


Phlebologie ◽  
2003 ◽  
Vol 32 (05) ◽  
pp. 115-120 ◽  
Author(s):  
A. Franek ◽  
H. Koziolek ◽  
M. Kucharzewski

SummaryAim: The study of the influence of sulodexide in the treatment of venous leg ulcers. Patients and method: 44 patients with chronic venous ulceration were randomly divided into two groups. Group I: 21 patients (ulceration area: 12.7-18.9 cm2), Group II: 23 patients (ulceration size: 12.1-20.3 cm2). Both groups were treated by using Unna’s boot. This dressing was changed every seven days until the ulcer had healed. Additionally, the patients in group II received the systemic pharmacological treatment with sulodexide. Results: After 7 weeks of treatment ulcers of seven patients (35%) from group I had healed, and 3 weeks later the ulceration of two more patients had healed completely. After further 7 weeks the ulcers of 12 patients had healed completely. Whereas in group II after 7 weeks of treatment ulceration of 16 (70%, p <0.05) patient had healed completely and after further 3 weeks the ulcers of the remaining 7 patients had healed, too. Conclusion: The use of sulodexide in patients with chronic venous leg ulcers accelerates the healing process.


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