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1.
Ann Afr Med ; 23(1): 104-106, 2024.
Article in English | MEDLINE | ID: mdl-38358180

ABSTRACT

Ischemic stroke following snake bite is rare. We report a posterior circulation infarct involving bilateral cerebellum and occipital lobe following Russell's viper bite in a previously healthy individual. A 50 years old healthy individual, soon after being bitten by the Russel viper on the left foot he developed pain and swelling followed by drooping of eyelids, slurring of speech and giddiness with multiple episodes of vomiting. The patient was administered ASV as well as neostigmine and atropine injections. Following this, the neurological manifestations resolved except dysarthria. CT brain study done was normal. On day 2 of hospitalization, he developed left cerebellar signs (positive finger nose finger test, rebound phenomenon, dysdiadochokinesia, a positive heel shin test). Subsequently, an MRI with MR angiogram was done which showed acute infarcts in bilateral cerebellar hemispheres, with the left superior cerebellar peduncle showing restricted diffusion and low ADC values. Ischemic infarction following viper envenomation has been described by only few authors. In majority of the cases reported, ischemic infarction involved the anterior circulation. The possible mechanisms of infarction in this scenario are discussed. Patient was treated with anti-snake venom and showed a good recovery. Early imaging and early treatment with anti-snake venom is important for a favourable outcome.


Résumé L'AVC ischémique consécutif à une morsure de serpent est rare. Nous rapportons un infarctus de la circulation postérieure impliquant le cervelet et le lobe occipital bilatéraux suite à une morsure de vipère de Russell chez un individu auparavant en bonne santé. Un individu en bonne santé de 50 ans, peu de temps après avoir été mordu par la vipère Russel au pied gauche, il a développé une douleur et un gonflement suivis d'un affaissement des paupières, d'un trouble de l'élocution et de vertiges avec de multiples épisodes de vomissements. Le patient a reçu de l'ASV ainsi que des injections de néostigmine et d'atropine. Suite à cela, les manifestations neurologiques ont disparu sauf la dysarthrie. L'étude cérébrale réalisée par TDM était normale. Au 2ème jour d'hospitalisation, il a développé des signes cérébelleux gauches (test doigt nez doigt positif, phénomène de rebond, dysdiadochokinésie, test talon tibia positif). Par la suite, une IRM avec angiographie IRM a été réalisée qui a montré des infarctus aigus dans les hémisphères cérébelleux bilatéraux, le pédoncule cérébelleux supérieur gauche montrant une diffusion restreinte et de faibles valeurs d'ADC. L'infarctus ischémique consécutif à une envenimation par vipère n'a été décrit que par quelques auteurs. Dans la majorité des cas rapportés, l'infarctus ischémique impliquait la circulation antérieure. Les mécanismes possibles de l'infarctus dans ce scénario sont discutés. Le patient a été traité avec du venin anti-serpent et a montré une bonne récupération. Une imagerie précoce et un traitement précoce avec du venin anti-serpent sont importants pour un résultat favorable. Mots-clés: Infarctus cérébelleux, étude cérébrale par imagerie par résonance magnétique, morsure de vipère.


Subject(s)
Brain Ischemia , Daboia , Snake Bites , Male , Animals , Humans , Middle Aged , Snake Bites/complications , Snake Bites/therapy , Magnetic Resonance Imaging , Infarction , Antivenins
2.
J Indian Prosthodont Soc ; 14(Suppl 1): 137-43, 2014 Dec.
Article in English | MEDLINE | ID: mdl-26199504

ABSTRACT

In the recent years esthetic dentistry has been the area of focus amongst the public. Esthetics is an important dimension in dental practice and the upcoming dentists need to be enabled to demonstrate their competencies for an efficient clinical outcome. The purpose of this study was to institute a cultural change within traditional didactic dental education towards student centred learning to cope up with the accelerating pace of medical technological change and achieving positive impact on patient care and patient satisfaction. Intervention that was considered for the project included David Merrill's first principles of instruction. A randomized controlled trial was conducted with all the students from four cohorts of final year dental undergraduate students, divided into an intervention group (n = 40) and a control group (n = 40). A professional assessment questionnaire is used to evaluate the relationship between the students and professional's assessment of esthetic treatment needs. The results of the study indicated that the ranking of the most and least noticeable dental features differed significantly (p = 0.0061) between the intervention and non intervention group and the indicates the intervention group to be in better agreement with professional assessment than the non intervention group of students with z value of 2.7435. The relative agreement between intervention group of undergraduate students and the professional assessment of esthetic treatment need shows the importance of intervention of Merrill's first principles of instruction in learning, emphasising the significance of PBL and therefore indicating a positive impact on successful esthetic treatment for patients.

3.
J Dent Educ ; 77(8): 1092-8, 2013 Aug.
Article in English | MEDLINE | ID: mdl-23929580

ABSTRACT

This study assessed the impact of a course on communication skills for third-year undergraduate dental students at a dental institute in India. A randomized pretest, posttest controlled trial was conducted with all the students from four cohorts of third-year dental undergraduate students, divided into an intervention group (n=30) and a control group (n=30). The course was developed using Kern's six-step approach to curriculum development. Needs assessment was ascertained, and readings, lectures, and role-plays with real and simulated patients were implemented. Encounters of students during two patient interviews (simulated and real) were rated by two raters using a twenty-seven-item dental consultation communication checklist with a rating scale 0 to 3. Students completed a questionnaire regarding their acceptance of the course. A 2×2 (group × time) ANOVA with group as a between-subjects factor (control vs. experimental) and time as a within-subjects factor (pre vs. post) was performed. The two groups did not differ at pretest but differed significantly at posttest. This study showed that simply attending to patients during a clinical course did not improve professional communication skills. In contrast, the implementation of a course on communication skills did improve the students' dentist-patient interactions. Integrating the teaching and development of a relevant, outcome-based course on communication skills provided clear evidence of communication skills acquisition among these dental students. The course could be introduced in other Indian dental schools.


Subject(s)
Clinical Competence , Communication , Curriculum , Dentist-Patient Relations , Education, Dental , Attitude , Checklist , Cohort Studies , Feedback , Female , Humans , India , Interviews as Topic , Male , Needs Assessment , Patient Simulation , Personal Satisfaction , Program Development , Prosthodontics/education , Role Playing , Students, Dental/psychology , Teaching/methods , Videotape Recording , Young Adult
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