scholarly journals Comparative evaluation of electrocardiographic effects of different doses of medetomidine and xylazine in calf-camels (Camelus dromedarius)

2020 ◽  
Vol 23 (1) ◽  
pp. 89-101 ◽  
Author(s):  
A. Samimi ◽  
E. Sakhaee ◽  
F. Iranmanesh
Keyword(s):  
Cardiac Arrhythmia ◽  
Comparative Evaluation ◽  
P Wave ◽  
Control Group ◽  
High Dose ◽  
Interval Duration ◽  
Rr Interval ◽  
Significant Difference ◽  
And Control ◽  
Different Doses

This experimental, prospective, randomised, and blinded study aimed to perform comparative evaluation of electrocardiographic (ECG) effects of different doses xylazine and medetomidine in dromedary calves after intravenous (IV) administration. A total of twenty five clinically and paraclinically healthy male dromedary calves aged 15±2 weeks and weighing 95±5.5 kg were assigned randomly to five different groups (four experimental and one control). Groups XL and XH received a low (0.2 mg kg-1) and high (0.4 mg kg-1) dose of xylazine hydrochloride and groups ML and MH received a low (10 µg kg-1) and high (20 µg kg-1) dose of medetomidine hydrochloride once, IV. Finally, the control group (C) received normal saline in the same manner. ECG indices were evaluated on post treatment 0, 5, 10, 15, 30, 60, 90, 120 min, and 24 h. There was no significant difference in heart rate (HR) in all experimental groups at T90. HR was significantly lower after high doses than after low doses of medetomidine and xylazine at T120. HR was significantly lower in XH than in other groups of study at T24. At T90 QRS amplitude in XH was statistically lower than in control and XL groups. Analysis of P wave duration revealed that in MH and XH it was significantly longer than in ML, XL and control at T5. Duration of P wave in control group was significantly shorter than in all experimental groups from T10 to T90. RR interval duration was significantly shorter at T5 and T10 in control group compared to experimental groups. At T120, RR interval duration in MH and XH was considerably longer than that in ML, XL, and control. Compared with control group, cardiac arrhythmia scores were significantly lower than in all experimental groups from T5 to T60. At T90 and T120 in MH and XH, cardiac arrhythmia scores were significantly higher than those of XL, ML, and control. According to our findings, using low dose of medetomidine (10 µg kg-1) and xylazine (0.2 mg kg-1) was suggested in comparison with high dose of medetomidine (20 µg kg-1) and xylazine (0.4 mg kg-1) in dromedary calves with cardiac diseases in the field.

scholarly journals Enhanced intestinal 2-deoxy-2-[18F]fluoro-D-glucose uptake under metformin is not fully suppressed by loperamide

2018 ◽  
Vol 52 (4) ◽  
pp. 185-191
Author(s):  
Tomomi Nobashi ◽  
Tsuneo Saga ◽  
Yuji Nakamoto ◽  
Yoichi Shimizu ◽  
Sho Koyasu ◽  
...  
Keyword(s):  
Body Weight ◽  
Small Intestine ◽  
Low Dose ◽  
Control Group ◽  
High Dose ◽  
Fdg Uptake ◽  
Significant Difference ◽  
Mouse Small Intestine ◽  
Long Acting ◽  
And Control

AbstractObjective. This study investigated whether the metformin (Met)-induced enhanced intestinal uptake of 2-deoxy-2-[18F]fluoro-D-glucose (18F-FDG) is reduced by loperamide, a long-acting anti-diarrheal agent. Methods. Mean18F-FDG uptake in the mouse small intestine and colon with Met exposure was compared with that in control mice. In the Met group, high-dose (1.0 mg/kg body weight) and low-dose (0.1 mg/kg body weight) loperamide were introduced, and18F-FDG uptake in the small intestine and colon was compared with that of control mice administered high-dose loperamide. The percent injected dose of18F-FDG per gram of tissue (%ID/g) in the extracted tissues was then determined. Results.18F-FDG uptake increased significantly in the small intestine (0.64±0.06 vs. 1.01±0.15, p=0.040) and, especially, the colon (0.46±0.13 vs. 2.16±0.51, p<0.001) after Met exposure. Neither high-dose nor low-dose loperamide significantly reduced18F-FDG uptake in the small intestine (0.82±0.31 vs. 0.84±0.22, p=0.93 and 0.78±0.25 vs. 0.70±0.15, p=0.13, respectively) or colon (2.13±0.41 vs. 1.67±0.55, p=0.063 and 1.77±0.39 vs. 1.80±0.25, p=0.56, respectively). The colonic %ID/g was significantly higher in Met groups irrespective of loperamide introduction than in control group, whereas the significant difference in the small intestine was observed only between Met and control groups. Conclusion. Metformin increased18F-FDG uptake in intestines especially in colon. Loperamide administration partially, but not sufficiently, suppresses the Met-induced increased colonic uptake of18F-FDG.

Neurocognitive Outcome of Childhood ALL Survivors Using Three Different Protocols Over a Decade

Blood ◽  
2011 ◽  
Vol 118 (21) ◽  
pp. 4226-4226
Author(s):  
Mohsen Saleh Elalfy ◽  
Iman Ahmed Ragab ◽  
Enas Ahmed Azab ◽  
Shaimaa Nasr ◽  
Marwa Abdel Maguid
Keyword(s):  
Frontal Cortex ◽  
Diffusion Tensor ◽  
Treated Group ◽  
Control Group ◽  
High Dose ◽  
Cognitive Tests ◽  
Neurocognitive Dysfunction ◽  
Childhood All ◽  
Significant Difference ◽  
And Control

Abstract Abstract 4226 Patients with childhood ALL achieve long-term disease-free survival, making reducing complications of therapy of major concerns. The aim of this study was to assess the prevalence and degree of neurocognitive dysfunction in survivors of childhood ALL treated with different protocols and the effect of time since end of chemotherapy. Patients and methods: A cross-sectional study including 60 ALL survivors aged 5–16 years at enrollment; 2–9 years at diagnosis, CNS1, treated through 1998–2008 and regularly followed up in childhood cancer survivors clinic;. They were compared to 20 healthy age and sex matched controls. Grade of school, scholastic achievement in the previous year were reported followed by revision of hospital records including type and risk of ALL, protocol of treatment, number, type and dose of intrathecal chemotherapy, number and doses of high dose I.V methotrexate, data of cranial radiotherapy. Three different protocols were applied to these patients according to the time of diagnosis, patients diagnosed between January 1998 to December 2000 were treated with Modified BFM 83. Those diagnosed between January 2001 to June2004 were treated with BFM 90 protocol, and those diagnosed From July 2004 to June 2008 were treated with CCG 1991 for standard risk and CCG 1961 for high risk patients.Neurocognitive functions were tested using Wechsler Intelligence Scale for Children,Benton visual retention (BVR) test and Trail making test (part A and B were done. MRI Brain was performed to the patients and control group using diffusion weighed images and diffusion tensor magnetic resonance imaging (DTI). Results: Survivors treated with CCG protocol showed a significant decrease in all cognitive tests results compared to control (p<0.05). Survivors treated with BFM 90 protocol had a significant lower total IQ, verbal IQ, TMT-partA, compared to both control and survivors treated with Modified BFM 83, and a significant decrease in performance IQ, BVRT and TMT-partB compared to control only. No significant difference between results of cognitive tests in survivors treated with Modified BFM 83 and control group. Both left and right frontal cortex apparent diffusion coefficient (ADC) was significantly higher in CCG(.88±.060.91±.028) treated group compared to control(.695±.0018.684±.0018), BFM 90(.79±.071.76±.048) and modified BFM 83(.76±.030.83±.023×10&minus;3mm2/s) groups (p<0.05) yet a significant decrease in FA of right frontal cortex only in CCG (.250±.039)treated group compared to control(.684±.0018), BFM 90(.450±.042) and Modified BFM 83(.41±.028) groups(p<0.05). FA of right frontal, was significantly lower in BFM 90 and Modified BFM 83 treated group compared to control group. No significant correlation was found between cognitive tests results with age at diagnosis, time since the end of therapy, total number of intrathecal injections, age at radiotherapy treatment, dose and time of radiotherapy. Cognitive tests didn’t differ between survivors treated with triple intrathecal therapy(ITTT) compared to those treated with intrathecal methotrexate, yet significant decrease in FA of right hippocampus in survivors who received ITTT compared to survivors treated with intrathecal monotherapy, Conclusion: Neurocognitive dysfunction was a common sequelae of childhood ALL treatment. It was more related to protocol of therapy rather than the duration of follow-up since end of chemotherapy. Frontal lobe FA may be a clinically useful biomarker for the assessment of neurotoxicity in post-treatment childhood ALL survivors. Disclosures: No relevant conflicts of interest to declare.

scholarly journals Effect of Oxytocin on the Body Weight of Male Rabbits

2021 ◽  
Vol 36 (4) ◽  
pp. 263-272
Author(s):  
Areej A. Mohammed ◽  
Aisha F. Bonaama ◽  
Souad A. M. Moftah ◽  
Ameerah T. Ramadhan ◽  
Abdulsalam M. A. Bolhaj ◽  
...  
Keyword(s):  
Dose Group ◽  
The Body ◽  
Control Group ◽  
High Dose ◽  
Significant Difference ◽  
The Mean ◽  
Time Spent Feeding ◽  
Mean Time ◽  
Different Doses ◽  
Food Consumed

This study was carried out to investigate the effect of two different doses of oxytocin on weight. Adult male rabbits (15) were weighed and provided with food twice daily for 3 weeks to determine the amount of food consumed daily and the time spent feeding by each rabbit.  After 3 weeks the rabbits were weighed and divided randomly into 3groups: the control group, the low dose group, and the high dose group. The animals were injected daily for 3 weeks. During that time the amount of food consumed and the time spent feeding in both periods were determined. After the end of the treatment period the rabbits were weighed, and sacrificed. The results of this study showed that before treatment the rabbits consumed more food in the evening period than they did in the afternoon period. The mean time spent feeding in the evening period was slightly higher than that spent in the afternoon period; however, this difference was not statistically significant. After treatment, there was still significant difference between the means of the consumed food in the afternoon and the evening period for the control group. The mean amounts of food consumed in both periods by the treated groups were slightly reduced, but this reduction was not statistically significant. Furthermore, the mean time spent feeding in the evening period was slightly higher than that of the afternoon period for the 3 groups; however, these differences were not significant. The mean weight of the control group was slightly increased after treatment with the hormone; and the mean weights of the treated groups were slightly reduced after treatment. However, changes in body weighs were not statistically significant.

scholarly journals Spironolactone Inhibits Cardiomyocyte Hypertrophy by Regulating the Ca2+/Calcineurin/p-NFATc3 Pathway

2021 ◽  
Vol 2021 ◽  
pp. 1-8
Author(s):  
Xin Wang ◽  
Wenting Zhang ◽  
Jingtao Na ◽  
Yanping Huo ◽  
Yacheng Wang ◽  
...  
Keyword(s):  
Cardiomyocyte Hypertrophy ◽  
Control Group ◽  
High Dose ◽  
Image Analysis System ◽  
Expression Levels ◽  
Significant Difference ◽  
Cell Image Analysis ◽  
Analysis System ◽  
Different Doses ◽  
Formula Expression

This study aimed to investigate the protective effect and molecular mechanism of spironolactone in isoproterenol-induced cardiomyocyte hypertrophy. In this study, primary cardiomyocytes were extracted from the heart of neonatal rats. After stable culture, they were processed with isoproterenol alone or isoproterenol (10 μM) combined with different doses (low dose of 10 μM and high dose of 50 μM), and the cellular activity was determined by MTT experiment. The volume of cells was measured with an inverted microscope and CIAS-1000 cell image analysis system. The mRNA expression levels of ANP and BNP in cells were explored by RT-qPCR. The levels of ANP and BNP proteins and NFATc3 phosphorylation in the nucleus were detected by western blot. The extracellular Ca2+ concentration and CaN activity were measured by colorimetry with the kit. Isoproterenol significantly enlarged the volume of cardiomyocytes ( p < 0.001 ), upregulated mRNA and expression levels of ANP and BNP proteins ( p < 0.001 ), increased extracellular Ca2+ concentration and CaN activity ( p < 0.001 ), and upregulated NFATc3 phosphorylation in the nucleus ( p < 0.001 ). The volume of cells treated with isoproterenol combined with different doses of spironolactone significantly decreased compared with those treated with isoproterenol alone ( p < 0.001 ). mRNA and expression levels of ANP and BNP proteins downregulated significantly ( p < 0.001 ). The extracellular Ca2+ ( p < 0.01 ) concentration and CaN activity ( p < 0.001 ) decreased significantly, and NFATc3 phosphorylation in the nucleus downregulated significantly ( p < 0.001 ). There was no significant difference in cell volume ( p = 0.999 ), ANP and BNP mRNA ( p = 0.695 ), expression levels of proteins, CaN activity (0.154), and NFATc3 phosphorylation in the nucleus between the cells treated with isoproterenol combined with high-dose spironolactone and those in the control group. In conclusion, spironolactone can reverse isoproterenol-induced cardiomyocyte hypertrophy by inhibiting the Ca2+/CaN/NFATc3 pathway.

scholarly journals Comparative evaluation about the efficacy of the use of variable concentrations of Epinephrine in Tumescent solution for control of bleeding in patients with abdominal liposuction

2020 ◽  
Vol 6 (6) ◽  
Author(s):  
Abdolreza Khorshidifar
Keyword(s):  
Blood Pressure ◽  
Heart Rate ◽  
Comparative Evaluation ◽  
Control Group ◽  
Case Group ◽  
Double Blind ◽  
Significant Difference ◽  
Tumescent Solution ◽  
And Control ◽  
Abdominal Liposuction

Introduction: The use of epinephrine for controlling the blood loss has gained out in many dermatological surgeries; however, its use in liposuction has not been studied. In this regard, we aimed to figure out the effectiveness of using epinephrine in tumescent solution during liposuctions surgery. Material and Methods: In this study we present a prospective, double-blind, nonrandomized study evaluating the effects of adding epinephrine to tumescent solution intra-operative in patients undergoing liposuction. Thirty-six patients including 6 males and 29 females undergoing liposuction were divided into two groups. In case group we use 1-1.4 mg/L epinephrine (based on the location of surgery) in tumescent solution; and control group did not receive epinephrine. Lab data such as hemoglobin and hematocrit as well as clinical data including blood pressure and heart rate were recorded before, after 1h and 6h of liposuction.  Results: In this study, we observed that both case and control group faced a significant dropped in their hemoglobin and hematocrit; however, the decrement was significant lower in case group. In addition, both groups had a stable hemostasis after 1h and 6h of surgery. In this regard, we did not observe any significant difference between heart rate and blood pressure of two groups. Conclusion: The results of this study suggest that using epinephrine as vasoconstriction agent in tumescent solution might decrease the rate of bleeding and increase the chance of stable hemostasis both during and after abdominal liposuction.

scholarly journals The effect of red wine extract, resveratrol, on the degree and rate of orthodontic tooth movement in guinea pigs

2015 ◽  
Vol 5 ◽  
pp. 181-189
Author(s):  
Isidro Alex C. Urriquia ◽  
Lotus D. Llavore
Keyword(s):  
Guinea Pigs ◽  
Low Dose ◽  
Tooth Movement ◽  
Orthodontic Tooth Movement ◽  
Control Group ◽  
High Dose ◽  
Male Adult ◽  
Significant Difference ◽  
The Mean ◽  
And Control

ObjectiveAn animal trial, its protocol approved by the Institutional Animal Care and Use Committee of the U.P. National Institutes of Health (IACUC Protocol No. 2010-008), was employed to investigate the effects of resveratrol on the degree and rate of orthodontic tooth movement in guinea pigs.Materials and MethodsEighteen male adult guinea pigs were randomly allocated into 3 groups: low dose, high dose, and control groups. A 0.016″ titanium molybdenum alloy wire formed into a helical torsion spring with a coil, with the loops cemented onto the maxillary incisors of the animals, served as the orthodontic appliance. Daily oral administration of resveratrol was provided to the low dose (0.047 mg/kg) and high dose (0.47 mg/kg) groups, while water was provided to the control group. Measurements were taken everyday at the interproximal area at the level of the incisal edge using a measuring caliper.ResultsThe results of the ANOVA showed no statistically significant differences in the mean measurements of tooth separation among the three groups from day 2 (P=0.966) to day 8 (P=0.056). However, starting from day 9 (P=0.049) until day 18 (P=0.000), there was a significant difference in the mean tooth separation among the test groups.ConclusionUsing the LSD, it was noted that the low dose and the high dose groups have similar degrees of mean tooth separation, with the control group being significantly different from the two.

scholarly journals An Investigation Into the Beneficial Effects of High-Dose Interferon beta 1-a, Compared to Low-Dose Interferon Beta 1-a (the base therapeutic regimen) in moderate to severe COVID-19

2021 ◽  
Author(s):  
Ilad Alavi Darazam ◽  
Firouze Hatami ◽  
Mohammad Mahdi Rabiei ◽  
Mohamad Amin Pourhoseingholi ◽  
Minoosh Shabani ◽  
...  
Keyword(s):  
Low Dose ◽  
Interferon Beta ◽  
Intervention Group ◽  
Control Group ◽  
High Dose ◽  
Research Committee ◽  
Subcutaneous Injections ◽  
Beneficial Effects ◽  
Significant Difference ◽  
And Control

Abstract Introduction: Coronavirus disease 2019 (COVID-19) has been a serious obstacle in front of public health. Interferon-beta 1a (IFN-β 1a) has been used to treat patients with COVID-19. We aimed to compare the effectiveness of high-dose IFN-β 1a compared to low dose IFN-β 1a in moderate to severe COVID-19 cases.Methods: In this randomized, controlled, and clinical trial, eligible patients with confirmed SARS-CoV-2 infections were randomly assigned to receive one of the two following therapeutic regimens: The intervention group was treated with high-dose IFN-β 1a (Recigen) (Subcutaneous injections of 88μg (24,000 IU) on days 1, 3, 6) + lopinavir /ritonavir (Kaletra) and the control group was treated with low-dose IFN-β 1a (Recigen) (Subcutaneous injections of 44μg (12,000 IU) on days 1, 3, 6) + lopinavir /ritonavir (Kaletra) (400mg/100 mg twice a day for 10 days, orally, in two groups). Result: A total of 168 COVID- 19 confirmed patients underwent randomization; 83 were assigned to the intervention group and 85 were assigned to the control group. Median Time To Clinical Improvement (TTIC) for cases treated with low-dose IFN-β1a was shorter than that for cases treated with high-dose IFN-β1a (6 vs10 days). Due to differences between some baseline clinical factors between intervention and control group, we performed an adjusted analysis. The model failed to reach a significant difference between two groups. Conclusion: The use of high-dose IFN-β 1a did not improve TTCI in hospitalized patients with moderate to severe COVID-19. Also, it did not have any significant effect on mortality reduction compared with treating with low-dose IFN-β 1a.Trial registration: The trial was confirmed by the Ethics in Medical Research Committee of the Shahid Beheshti University of Medical Sciences. Signed informed consents were obtained from all the participants or their legally authorized representatives. This trial has been registered as ClinicalTrials.gov, NCT04521400.

scholarly journals Effect of Different Doses of Nitrate Supplements on hepatocellular Damage Markers in Male Sprague Dawley Rats Following One Session of Exercise

2020 ◽  
pp. 119-133
Keyword(s):  
Body Weight ◽  
Low Dose ◽  
Male Rats ◽  
Control Group ◽  
High Dose ◽  
Sprague Dawley ◽  
Hepatocellular Damage ◽  
Sprague Dawley Rats ◽  
And Control ◽  
Different Doses

Background: Hepatocellular damage caused by physical activity or the use of supplements is one of the serious problems facing athletes in various fields. This study aimed to evaluate the effect of different doses of nitric oxide supplements on AST and ALT liver enzymes and the ratio of AST to ALT following a session of eccentric exercise in Sprague Dawley male rats. Materials and Methods: In this study, 36 Sprague Dawley male rats (two months old) were divided into three groups of control, low dose (4.8 mg/kg body weight), and high dose of NO supplements (15.4 mg/kg body weight). Supplements were given to rats for seven days. Subsequently, all three groups of rats were forced to run on a treadmill for 45 min with a speed of 20 m/min, and a slope of -15 degrees. Blood samples were taken directly from cardiac puncture of rats 24 h after the running exercise. Blood serum variables of the study were measured afterward. Results: Low dose of nitrate supplements did not change AST and ALT indices, while the high dose of nitrate supplements increased ALT serum level and decreased AST to ALT ratio, compared to a low dose of NO supplements and control group. Conclusion: Based on the obtained results, the consumption of a low dose of NO supplements does not change hepatocellular damage markers, while the high dose of NO supplements causes degeneration of hepatic cells in athletes.

Effects of Virgin Coconut Oil as Adjunct Therapy in the Treatment of Allergic Rhinitis

2016 ◽  
Vol 1 (1) ◽  
pp. 22
Author(s):  
Nazli Zainuddin ◽  
Nurul Azira Mohd Shah ◽  
Rosdan Salim
Keyword(s):  
Allergic Rhinitis ◽  
Side Effects ◽  
Coconut Oil ◽  
Test Group ◽  
Nasal Symptom ◽  
Control Group ◽  
Virgin Coconut Oil ◽  
Control Groups ◽  
Significant Difference ◽  
And Control

Introduction: The role of virgin coconut oil in the treatment of allergic rhinitis is controversial. Thus, the aim of the present study is to determine the effects of virgin coconut oil ingestion, in addition to standard medications, on allergic rhinitis. We also studied the side effects of consumption of virgin coconut oil. Methods: Fifty two subjects were equally divided into test and control groups. All subjects received a daily dose of 10mg of loratadine for 28 days. The test group was given 10ml of virgin coconut oil three times a day in addition to loratadine. The symptoms of allergic rhinitis were scored at the beginning and end of the study. Results:, the symptom score were divided into nasal and non-nasal symptom scores. Sneezing score showed a significant difference, however the score was more in control group than test group, indicating that improvement in symptom was more in control group. The rest of the nasal symptom and non-nasal symptom score showed no significant difference between test and control groups. Approximately 58% of the test subjects developed side effects from consumption of virgin coconut oil, mainly gastrointestinal side effects. Conclusion: In the present study, ingestion of virgin coconut oil does not improve the overall and individual symptoms of allergic rhinitis, furthermore it has side effects.

Enrichment of common carp (Cyprinus carpio) diet with Malic acid: Effects on skin mucosal immunity, antioxidant defecne and growth performance

2020 ◽  
Vol 0 (0) ◽  
Author(s):  
Roghieh Safari ◽  
Seyed Hossein Hoseinifar ◽  
Maryam Dadar ◽  
Hien Van Doan
Keyword(s):  
Common Carp ◽  
Cyprinus Carpio ◽  
Malic Acid ◽  
Control Group ◽  
Skin Mucus ◽  
Antioxidant Genes ◽  
Treatment Comparison ◽  
Genes Expression ◽  
Significant Difference ◽  
And Control

AbstractThe present study investigated possible effects of dietary malic acid on the expression of immunity, antioxidant and growth related genes expression as well as skin mucus immune parameters in common carp. Common carp (Cyprinus carpio) fingerlings were fed diets supplemented with different levels (0 [control], 0.5%, 1%, 2%) of malic acid (MA) for 60 days. The results revealed highest expression levels of immune-related genes (tnf-alpha, il1b, il8 and lyz) in skin of common carp fed 2% MA (P < 0.05). Regarding 1% MA treatment comparison with control group, significant difference was noticed just in case of lyz (P < 0.05). Evaluation of growth related genes expression revealed no significant difference between treatments (P > 0.05). The study of antioxidant related genes (gsta and gpx) in common carp skin fed with MA, showed significant difference between treated groups and control (P < 0.05). Carps fed with 2% MA had highest alkaline phosphatase activity in skin mucus compared other treated groups and control (P < 0.05). There were no significant difference between 0.5% and 1% and control (P > 0.05). The study of total protein and total immunoglobulin (Ig) in common carp skin musus revealed no alteration following MA treatment (P > 0.05). The present data demonstrated that feeding with MA altered immune and antioxidant genes expression in skin mucus of common carp.

Sign in / Sign up

Export Citation Format

Share Document