Epidemiological study of risk factors related to childhood visceral leishmaniasis.

This case control study was carried out to determine certain clinical and epidemiological risk factors related to childhood visceral leishmaniasis (VL). Study was conducted in paediatric wards of Mymensingh Medical College Hospital. Dependable variables are sex, age, housing, use of mosquito net, malnutrition, sleeping habit and seasonality. A total of 60 cases and 60 suitably matched controls were studied between January 2000 to December 2000. The exposure rate of VL is more in boys (70%) than in girls (30%). The frequency rate of VL was higher in children >10 years of age group (66.6%) than in other age groups. Mud house dwelling is significantly associated with the development of VL (81.6%) and carries 28.9 times greater risk of developing VL, than those dwelling in bamboo house (13.3%). The difference of this proportion is statistically significant (p<0.001, OR=28.9). The exposure rate of VL was slightly higher (51.6%) in mosquito net non-users than the mosquito net users. Grade III malnutrition was found significantly associated with (83.3%) VL (p<0.005). The frequency rate of VL was higher in children sleeping on floor than in children sleeping on Chowki or Khat (OR=2.07). Rainy season is significantly associated with VL (60%) and carries 2.4 times greater risk of developing VL than other seasons (p<0.05, OR=2.4). It can be concluded that mud house dwelling, grade III malnutrition, sleeping on floor and seasonality (rainy season) are the important risk factors of VL in children.

Carcinoma-rectum in an 11 years old boy.

Carcinoma rectum is a very uncommon malignancy in childhood. The incidence of colon cancer is found to be 1.3 cases per million children. An eleven years old boy with carcinoma rectum was admitted in the Department of Paediatric Gastroenterology, Bangabandhu Sheikh Mujib Medical University (BSMMU). The boy presented with irregular fever, altered bowel habit, poor appetite, gradual weight loss and abdominal pain. His abdomen was tender with no organomegaly. The rectal wall was tender and hard mass could be felt in the surrounding area on direct rectal examination. Diagnosis was confirmed by biopsy of the tissue from the growth. Surgical resection and anastomosis was done. After one month of surgery chemotherapy was started. Since carcinoma rectum in children has not been reported in Bangladesh we share the information with professionals.

Effects of prolonged use of injectable hormonal contraceptive on serum lipid profile.

The current study was carried out to determine serum levels of total cholesterol, triacylglycerol (TG), high-density lipoprotein cholesterol (HDL-C) and low-density lipoprotein cholesterol (LDL-C) in human female volunteers taking injectable hormonal contraceptives. For this purpose, 200 (two hundred) subjects with age range of 20-35 years were selected. Out of them, 140 (one hundred and forty) were experimental subjects and 60 (sixty) were control. Women without hormonal contraceptive were selected as the subjects of control group. The experimental subjects were taking injectable hormonal contraceptive, DMPA (depo-medroxyprogesterone acetate) for 3-5 years uninterruptedly. The mean serum total cholesterol and mean serum triacylglycerol levels of the DMPA users were significantly (P<O.05 and P<0.01 respectively) elevated in comparison to that of the non-users. The mean serum HDL-cholesterol was decreased in subjects using DMPA in comparison to that of the control group. But the decrease was not significant (P>0.05). The mean serum LDL-cholesterol level of the subjects of DMPA users was significantly (P<0.05) elevated in comparison to that of the control.

Protective effect of dietary fibers against colorectal carcinoma.

Dietary fibers are remnant of plant cells resistant to hydrolysis by human alimentary tract enzymes. These are cellulose, hemicellulose, lignin, pectins and gums. Intake of dietary fibers or foods rich in dietary fibers decreases the incidence of colorectal carcinoma. Reduced risk of colorectal carcinoma is reported when populations with diet high in red meat and total fats switched to a diet high in total fibers and certain whole grain, goods. Fibre intake is also inversely related to mortality from colorectal carcinoma. Beneficial influence of most vegetables and fruits against colorectal carcinoma is confirmed and this is due to their fibre contents.