Diana Isela Araujo-Espino, Blanca Patricia Lazalde-Ramos* and Ana Lourdes Zamora-Perez
Published on: 10th February, 2023
Jatropha dioica sesse ex cerv is a specie native to Mexico and Texas, commonly known as “sangre de drago“, its name is due to its colorless juice turning dark at exposure to the wind. This mini-review aims to collect information about the phytochemical and pharmacological properties of Jatropha dioica. The phytochemicals identified are diterpenes, (citlalitrione, jatrophone and riolozatrione), β-sitosterol, oxalic acid and ellagic acid. The stems, whole plant, or the root of J. dioica in traditional medicine are used to avoid hair loss, as an antibacterial, and antiviral, to strengthen teeth, and to heal some injuries among others uses. Among the biological activities attributed to Jatropha dioica are found in antiviral activity, antifungal, antimicrobial, chemopreventive, anti-hyperglycemic and cytotoxic. However, the little information about the chemical composition of this species and the scarce scientific studies validating its pharmacological properties make J. dioica an interesting species to study.
Introduction: In the latest WHO classification of central nervous system tumors, Mitotic Index (MI) counted on Phosphohistone-H3 stained slides (pHH3-MI) has been suggested as a valid proliferative marker in various tumors including in the evaluation of meningioma grading.We aim to report our own experience in assessing the efficiency of the anti-pHH3 antibody as a grading tool for meningiomas.Methods: A retrospective study was conducted on a series of 40 meningiomas diagnosed from March 2020 to April 2021 at the Pathology Department of the Military Hospital of Tunis. We attempted immunohistochemistry and compared MI assessed on both pHH3 and HE-stained slides.Results: According to the HE-MI and pHH3-MI, the 40 cases of meningiomas were respectively divided into 35 versus 29 grade 1 cases, four versus eight grade 2 cases, and one versus three grade 3 cases. A highly significant correlation was found between pHH3-MI and HE-MI (p < 0.001). A significantly higher sensitivity in the pHH3 counting method was reported in our study. Discussion: we found, in accordance with the literature, that pHH3-MI is more reliable and accurate in mitotic counting, therefore exhibiting a high sensitivity in tumor grading, reported by an upgrade within 22,5% of the cases.Conclusion: PHH3-MI count facilitated a rapid reliable grading of meningiomas. However, molecular characteristics that could have a potentially significant impact on tumor progression should be the subject of further research.
Background: NSU is generally caused by right cerebral hemisphere lesions with a preeminent localization on the frontoparietal lobe.
Aim: To assess the correlation between the typology and the brain lesion site and the consensual consent modality of body image modification after an integrated rehabilitative and neuropsychological treatment.
Setting: A rehabilitation institute for the treatment of neurological gait disorders and neuropsichological failures.
methods: Patients recruited were divided according to the brain lesion site into 3 groups (IG = ischemic group = 5 patients; HG = hemorrhagic group = 4 patients; IG + HG = ischemic + hemorrhagic group = 3 patients) based on CT brain performed in the post-acute phase. At time T0, the patients recruited underwent a systematic review of their current neuroradiological profile (location delineation and type of brain injury) compared with a consensual framing of the neuromotor and neuropsychological profile acquired at the time of taking charge in the ward. At time T1 and after the drafting and implementation of the rehabilitation treatment plan foreseen in the study (1 to 4 months after T0), the patients in our sample underwent a re-evaluation of their neuromotor and neuropsychological profile with controls of the same outcome parameters considered at time T0.
Results: A parametrically but not statistically significant modification of the results obtained was observed by measuring the MI ULl, MI LLl and TCT scales in the group with hemorrhagic brain injury; the analysis of variance did not show any statistical significance in the relationship between the type of stroke (ischemic, hemorrhagic or both) and the motor impairment passing from time T0 to time T1. The analysis of variance did not reveal a statistically or parametrically significant relationship between the type (ischemic, hemorrhagic and ischemic + hemorrhagic) of cerebral stroke and the variations of the neuropsychological profile. The T-Student test showed statistically significant changes in the importance of the lesion site in defining the degree of motor disability. In particular, we observed, about the presence of frontal lobe lesions, a statistically significant variation passing from the T0 time to the T1 time for the following motor scales in 9 of 12 recruited patients: MI LLl (26.4 vs. 62, with p < 0.05), TCT (43.6 vs. 80.6, with p < 0.01 for equal variance assumed and p < 0.05 for equal variance not assumed), FAC (0.8 vs. 2.3 with p < 0,01 for equal variance assumed and p < 0.05 for equal variance not assumed).
Conclusion: We have confirmed the importance of the anatomical-dysfunctional correlation as a key concept from which to start in any neurorehabilitative treatment approach. Our work has highlighted the basic role of the right frontal lobe in the programming and execution of the gesture and its kinesthetic control as regards the left lower limb and the trunk.
Here we reported an interesting case of an 84-year-old woman with acute onset of paresis of left arm and paresthesia of left face and arm. The symptoms resolved within two hours. She also had a similar prior episode two weeks ago with only left arm paresthesia. Her MRI revealed different stages of lacunar ischemic lesions. Interestingly, the SWAN sequences showed lateralized rather than global multiple microhemorrhages over the right MCA and PCA territory, and the sulcal hyperintensity on FLAIR was also seen with no associated susceptibility effect and minimal enhancement, indicating probable cerebral amyloid angiopathy (CAA) based on Boston Criteria.
It has been acknowledged that the CAA could manifest with certain localization preference. Cerebral microinfarct and white matter disease in CAA have been more often observed in the posterior circulation territory, however the restricted lateralization reported in our case has not been seen. Since CAA is often diagnosed when the characteristic MRI findings are picked up incidentally, recognizing this as a potential “TIA mimic” will be important for guiding treatment due to its higher risk of bleeding. In summary, this case highlights that the CAA could present as restricted lateralized lesions and occur as transient neurologic deficits, which to our knowledge has not be reported before. Recognition of it as a potential manifestation of CAA will be valuable in the clinical diagnosis process.
The vast majority of urological complications occur at the ureterovesical junction and usually occur early after transplantation. The aim of this study is to enhance the quality of medical care provided to patients who undergo kidney transplantation. Cystography was conducted on renal transplant recipients utilizing computed tomography. The utilization of changes in the patient’s position and reconstructed images of the bladder can serve as a diagnostic tool to assess the normal functioning of the urinary tract system subsequent to kidney transplantation. To ensure adequate filling of the bladder and ureter, it is necessary to introduce varying amounts of contrast medium through the urinary catheter into these structures. This diagnostic procedure aims to verify the existence of stenosis or leakage occurring at the vesicoureteral junction. The evaluation and diagnosis of urinary tract problems subsequent to kidney transplantation can be effectively conducted. Furthermore, it has the potential to mitigate the adverse effects and alleviate the strain on the renal system resulting from the administration of contrast agents in computed tomography urography. CT-guided cystography can enhance the medical quality and comfort of Kidney transplantation patients.
Alessandra Alfieri, Armando Rapanà and Ferdinando Caranci
Published on: 26th March, 2024
Craniopharyngiomas are benign tumors (WHO Grade I), seen in children and adults. Because of their location, they can require challenging clinical and surgical management. In fact, often, because of the presence of calcifications, of a capsule very strongly adherent to neurovascular structures, of the relationship with hypophysis, pituitary stalk, chiasm, carotids, the circle of Willis, basilar artery, and third ventricle, risk of mortality and morbidity is still mandatory. Various surgical techniques have been proposed: transcranial, transsphenoidal, and supraorbital approaches for surgical resection and treatment of craniopharyngiomas. Still, there is no common consent, but often the endonasal transsphenoidal extended procedures are considered the gold standard in many cases. We present a surgical technique of a case of complete surgical removal of an infundibular and retro chiasmatic craniopharyngioma, via an endoscopic endonasal transphenoidal transplanum approach.
Introduction: High proportion of stroke survivors have impaired functional mobility and decrease in overall quality of life (QoL). Transcranial direct current stimulation (tDCS) (non-invasive brain stimulation) and over-ground walking task (OGWT) (functional task-oriented training) have been suggested to improve functional mobility and QoL of stroke survivors. Hence, this study determined the efficacy of tDCS (anodal and cathodal) with OGWT on functional mobility and QoL of stroke survivors.
Materials and methods: Seventy eight (78) stroke survivors were randomised into three groups: anodal group (anodal tDCS with OGWT); cathodal group (cathodal tDCS with OGWT) and control group (OGWT only). Participants had two sessions of intervention per week for six weeks. Functional mobility was assessed using 10 meter walk test (10MWT) measuring steps, time and velocity while QoL was measured using Stroke Specific QoL (SSQoL) scale. Significance level was set at p < 0.05.
Results: Participants (46 males) were aged 56.78 ± 10.24 years. The groups were matched for functional mobility and QoL at baseline and only work/productivity domain of SSQoL showed statistically significant difference (p = 0.028). Each group showed statistically significant improvement between baseline and post-intervention scores of items in functional mobility (p ≤ 0.001) and total SSQoL (p ≤ 0.001). Anodal group showed better statistically significant improvement in step (p = 0.008), time (p = 0.024), velocity (p = 0.001) and total SSQoL (p = 0.016) among the groups when the mean differences were compared.
Conclusion: tDCS with OGWT is efficacious in improving functional mobility and QoL of stroke survivors. Specifically anodal tDCS with OGWT showed better clinical improvement in step, time, velocity and QoL in stroke survivors.
Since snow load is one of the loads of designing the industrial shed roof, this research presents a new system to reduce the industrial sheds roof design. In this system, sensitive units of moisture and temperature, which can be adjusted with different areas, are installed on the shed’s roof. The mechanism of system is that the sensors in the units detect the presence of snow on the shed roof and send an order to connect electricity to the elements; therefore, the snow on the roof melts by the heat generated. In this system, solar panels are used to supply electricity. As with the help of this mechanism, snow does not remain on the roof, it is possible to eliminate the snow load in the calculations of the shed and apply at least the live load of the sixth regulation (Due to having a one-story shed, minimum live load applied and it used only for the foundation design of the structure.), this issue will create an economic plan in shed designing. According to the study conducted in this research, it is shown that the dimensions of the sheet beam used in the shed are reduced, which will significantly reduce the cost of construction and installation to some extent. In the following, two samples of sheds with a span of 20 meters in the presence of snow and the absence of snow in the software were modelled, and the results were compared with each other.
Alicia Cárdenas García*, Sara García Mateo, María Rodríguez Pérez, José Carlos Sureda Gil, María Teresa Gómez Álvarez, Francisco de Borja Hernández Moreno and Anna de Paola Prato
Published on: 28th March, 2024
Objective: This study aimed to evaluate the clinical characteristics and diagnostic challenges associated with osteomyelitis in patients presenting with persistent lumbar pain and fever.Methods: We conducted a descriptive observational study, reviewing four cases of osteomyelitis diagnosed at our hospital’s Emergency Department in 2022. Data on patient demographics, medical history, clinical presentation, diagnostic methods, and treatment outcomes were analyzed.Findings: The cases included middle-aged to elderly men, with predisposing factors such as urological interventions and immunodeficiency. Imaging studies, particularly CT-scan and MRI, were instrumental in diagnosing lumbar spondylodiscitis. Biopsies revealed lymphoplasmacytic infiltrates and treatment responses were positive in all cases after eight months of follow-up. The study highlights the importance of considering osteomyelitis in the differential diagnosis of lumbar pain and fever, necessitating multidisciplinary collaboration for timely management.
High fluoride level in drinking water is an endemic public health concern in East Africa. Unlike in Kenya where it is absent, the Nalgonda technique, a defluoridation method that uses two chemicals, alum, and CaO, has seen mixed results in its application and adoption in Ethiopia and Tanzania. This has been due to the low capacity of communities to manage the process and the breakdown in the supply chain of chemicals used in the technique. In the present study, we attempted to bridge the gap in the chemical deficit by investigating the possible substitution of CaO with leachate from wood ash, a by-product of wood combustion commonly found in Kenya. The leachate was prepared from one part of wood ash mixed with two parts of distilled water and stirred for 24 hours followed by decantation. The new technique, the Homa method, using alum and wood ash leachate was then tested on H2O samples from three areas in Kenya with high F- concentrations ranging from 5.1 mg L-1, 9.1 mg L-1 to 91.0 mg L-1. The determination of F- concentration by SPADNS Spectrophotometry was applied throughout the experiment. Four levels of alum i.e. 1%, 2%, 3%, and 4% were dosed on five volumes of water i.e. 100, 200, 300, 400, and 500 ml raw water at 5.1 and 9.1 mg L-1 F-. For water samples at 91.0 mg L-1 F-, the same volumes were treated with 5 higher alum levels i.e. 5%, 6%, 7%, 8%, and 9%. The final pH was then adjusted to 7 with ash leachate for defluoridation. The set-up was a factorial design experiment where the final F- concentration was the dependent variable and the volume of raw water, the percentages, and volume of alum and wood ash leachate constituted the different factors. A fitted multivariate regression model of the general form; where Y = Residual fluoride, X = wood Leachate volume, W = alum Concentration, X*W = Interaction α, β, γ were regression coefficients, ε = error term, showed that only in the Baringo area did we have an interaction between wood ash leachate and alum concentration significant (p < 0.05). Defluoridation occurred (p < 0.05) at as low as 10% and as high as 99%, depending on the initial F- content. Total coliform decreased from 310, 290 and 270 count/l respectively to zero. Unfortunately, high chemical and TDS (from 558 mg L-1 to more than 9,000 mg L-1) enrichment were recorded in addition to the mixed data on turbidity. The overall results show that wood ash can substitute CaO in the Nalgonda process. Further investigation is however required to make it applicable for potable water production.
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