Effect of saliva contamination on microleakage around class-5 cavities restored with three different types of adhesive materials

The recent improvement of adhesive materials should decrease the risk related to saliva contamination. The aim of this study was to evaluate the effect of saliva contamination on the microleakage within class V cavities restored with three different types of materials: conventional glass ionomer cement, composite resin and compomer. 30 human extracted teeth were randomly divided in 3 equal groups. In each group, class V cavities were prepared on both facial and lingual surfaces (but joint for glass ionomer cement and bevelled incisal margin for composite resin and compomer). The lingual cavities were contaminated with saliva prior to restoration, while the facial cavities were not contaminated, serving as control. After water storage for 24 hours, teeth were immersed in 1% methylene blue solution for 24 hours. The axial sections were viewed under an optical microscope and the extent of dye penetration along cervical, axial and incisal margins was measured in millimetres. Statistic analysis showed that under salivary contamination, microleakage increased along the cervical margin of restoration for all three tested materials. Saliva contamination resulted in microleakage within the axial wall of the cavity only for the conventional glass ionomer cement. These data indicate that composite resin and compomer used together with new adhesives seem to be less sensitive to saliva contamination compared to conventional materials. However, under saliva contamination, cervical microleakage cannot be completely prevented and proper isolation should still be mandatory.     

糖尿病并发败血症16例临床分析

本文报道糖尿病并发的败血症16例,均经血培养证实。致病菌13例为革兰阴性杆菌占81.25％,另3例分别为金黄色葡萄球菌(金葡菌)、表皮葡萄球菌与白色念珠菌。起病均急骤,伴畏寒发热,严重者有神志改变、休克、酮症酸中毒或肺与肝脏迁徒性病灶、血管栓塞性病变、多脏器功能衰竭,病情凶险。病死率高达43.75％。     

Un cas rare de métastase ombilicale de tumeur viscérale. éponyme: nodule de S?ur-Marie-Joseph

The Sister-Marie-Joseph nodule is an umbilical cutaneous metastasis of a deep cancer. The authors report a case presenting in a 68-year-old Senegalese woman. This nodule, associated with probable hepatic and peritoneal metastases, was secondary to an adenocarcinoma of the transverse colon. The evolution in this patient was unfavourable. Such clinical cases are rare. Anatomopathology after fine needle aspiration biopsy confirms the diagnosis. The prognosis is generally poor, despite increasingly significant means and progress in treatment options.     

Lunasin promotes apoptosis in human colon cancer cells by mitochondrial pathway activation and induction of nuclear clusterin expression

Lunasin is a naturally occurring peptide with arginine–glycine–aspartic acid motif associated to its reported biological activity. We aimed to determine the potential of lunasin from soybean to stimulate apoptosis in HT-29 colon cancer cells. Lunasin caused cytotoxicity to HT-29 cells and induced G2/M cell cycle arrest with simultaneous increased in p21 expression. Lunasin-induced apoptosis as evidenced by a twofold increase in the percentage of cells undergoing apoptosis, decreased Bcl-2:Bax ratio from 8.5 to 0.4, increased caspase-3 activity by 77% and increased expression of pro-apoptotic nuclear clusterin by five fold when compared to untreated cells. In conclusion, lunasin stimulated apoptosis in HT-29 cells by activating apoptotic mitochondrial pathways and inducing expression of the pro-apoptotic nuclear clusterin.     

Prevalence of dementia in a southern European population in two different time periods: the ZARADEMP Project

OBJECTIVE: To compare the prevalence of dementia in two different time periods and two different studies. METHOD: Representative, random samples of the elderly (>65 years) in the Zaragoza Study or ZARADEMP-0 (n = 1080) completed the previous decade, and now in Wave I of the ZARADEMP Project or ZARADEMP-I (n = 3715) were interviewed. Standardized measures included the Geriatric Mental State and the History and Aetiology schedule. Cases of dementia were diagnosed according to DSM-IV criteria. RESULTS: Adjusted, global prevalence of dementia has not varied significantly: it was 5.2% (95% CI = 3.9-6.6) in ZARADEMP-0 and 3.9% (95% CI = 3.3-4.5) in ZARADEMP-I (prevalence ratio = 0.75; 95% CI = 0.56-1.02). However, the prevalence in ZARADEMP-I was significantly lower among men, particularly in all age groups between 70 and 84 years. CONCLUSION: Stability of the global prevalence of dementia in the elderly population has been documented. However, the decreased prevalence found in elderly men stimulated environmental hypotheses.     

Dépistage tardif de l’infection à VIH à la clinique des maladies infectieuses de Fann,Dakar : circonstances de diagnostic,itinéraire thérapeutique des patients et facteurs déterminants

Background and methodology

The delay in the diagnosis of HIV infection is a major obstacle to optimal care for this disease. To deal with this problem, we conducted this study among newly diagnosed HIV patients hospitalized in the Fann University Hospital Infectious Diseases Clinic in Dakar. The epidemiological, clinical, biological and outcome aspects are described and patient history reviewed. A qualitative socio-anthropological study was made to understand and describe the logic of the decision processes in the patient's search for treatment.

Results

One hundred patients were included, with a mean age of 39.5 ± 11.1 years and a sex-ratio: 1.08. The transmission was mainly heterosexual (90%), and chronic diarrhea (64%) and/or chronic cough (66%) were the principal symptoms leading to diagnosis. The mean delay before diagnosis was 5 ± 4.27 months. The major opportunistic diseases were tuberculosis (44 cases) and infectious diarrhea (23 cases). Most patients were diagnosed at the AIDS stage (97%) and the death rate was 30% among hospitalized patients after admission. Sixty-eight percent of patients had consulted at least three times, generally a “traditional practitioner”, at first and 43% had been hospitalized at least once. The qualitative investigation revealed that the “representation” or the “feeling of severity” of the disease were the principal justifications for consulting the “traditional practitioner” or the physician, respectively.

Conclusion

Better information for health workers and global population is necessary for an earlier diagnosis of HIV infection in Dakar.     

Incarcerated internal hernia through a breach of the broad ligament, a case report

We report a case of 44-year-old women presented with an acute small bowel obstruction revealated by tomodensitometry. Laparotomy showed an incarcerated internal hernia through the broad ligament. We performed liberation of the ileal segment and closed the hernial orifice. The patient evolution was excellent.