Epidemiology, Diagnosis and Therapeutic Approaches of Cryptorchidism at the Panzi General Hospital, DR Congo: A 5-year Retrospective Study.

BACKGROUND: Cryptorchidism is a common congenital malformation characterized by unilateral or bilateral undescended testis in the scrotum. It is a common disease in pediatric urology although the prevalence is yet to be determined in the East DR Congo. The aim of this study was to describe the prevalence, clinical and therapeutic features of cryptorchidism at the Panzi General Hospital. METHODS: Medical records of patients who underwent pediatric surgery between January 2011 and December 2016 were reviewed. The prevalence of cryptorchidism, associated malformations, sociodemographic features of patients and therapeutic protocols were examined. Collected data were analyzed using SPSS software. RESULTS: A total of 5066 children were received during the study period in the service, of which 76 suffered from cryptorchidism giving a prevalence of 1.50% and an annual incidence of 12.70. Unilateral cases were found in 53(69.74%) patients among which 66.04% and 33.96% had unilateral right and left cryptorchidism respectively. Cryptorchidism was associated with other malformations in 71.1% of patients. The age of patients ranged from 0 to 15 years and 78.9% were older than two years. Surgery was the only therapeutic approach and fixation of cryptorchid testis in dartos through inguinal incision was the preferred therapeutic used method. CONCLUSION: This study indicates that cryptorchidism is a relatively common and neglected disease in the Est-DR Congo, due to late consultation. Therefore, the local population and pediatricians should be sensitized on scrotal palpation techniques in order to shorten the consultation delay and prevent testis damages.

Preventive effects of Aframomum melegueta extracts on the reproductive complications of propylthiouracil-induced hypothyroidism in male rat.

Recent studies have demonstrated that hypothyroidism is associated with infertility. This work was undertaken to evaluate the protective effects of Aframomum melegueta on testicular functions and fertility of hypothyroid male rats. Male rats were orally treated with propylthiouracil (PTU: 10 mg/kg) in combination with plant aqueous or methanol seed extract (20 and 100 mg/kg) for 56 days. Vitamin E and clomiphene citrate served as positive controls. On day 47 of treatment, each male was mated with two adult females for fertilization potential evaluation. At the end of the treatment, genital sex organ weights, sperm characteristics, testicular histology, oxidative status, plasmatic hormones and fertility potential were evaluated. Results indicated that PTU created hypothyroidism characterised by a significant increase in TSH with reduction of T3 and T4. PTU also lowered genital sex organ weights, sperm count, viability and motility, plasmatic levels of luteinising hormone, follicle-stimulating hormone and testosterone, and increased prolactin, cholesterol and testicular oxidative stress. Alteration in sperm morphology, testis and epididymis histology, and fertilization potential was also noticed. Co-administration with A. melegueta extracts successfully reversed PTU-induced infertility without any effect on thyroid hormones. These results provide evidence that A. melegueta has a protective effect on fertility in hypothyroid condition.

Map of biomedical research in Cameroon; a documentary review of approved protocols from 1997 to 2012.

BACKGROUND: Over the last decade, there has been a rapid increase in biomedical research in Cameroon. However, the question of whether these research projects target major health priorities, vulnerable populations and geographic locations at risk remains to be answered. The aim of this paper is to describe the state of biomedical research in Cameroon which is a key determinant that would guide future health care policies and promote equitable access to healthcare. METHODS: A documentary review of all approved protocols (proposals) of biomedical research projects, from 1997 through 2012, at the Cameroon National Ethics Committee. Protocols were reviewed systematically by independent reviewers and data were extracted on a grid. Data were analyzed by calculating proportions at 95% confidence interval, chi-square test (chi2) and p-values. RESULTS: Two thousand one hundred seventy two protocols were reviewed for data extraction. One thousand three hundred ninety-five (64.7%) were student projects, 369 (17.0%) projects had international sponsors, and 1528 (72.4%) were hospital-based studies. The most targeted domain was the fight against diseases 1323 (61.3%); mostly HIV 342 (25.8%) and Malaria 136 (10.3%). Over half of the studies were concentrated in the Centre region 1242 (57.2%), with the least projects conducted in the Northern region 15 (0.7%). There was strong evidence that international and local sponsors would influence the research site (p-value = 0.01) and population targets (p-value = 0.00). CONCLUSION: Although biomedical research targets some important diseases that pose a great burden to Cameroonians, the most vulnerable populations are excluded from research. Biomedical research scarcely addresses other components of the health system and emerging diseases of vital public health importance. We recommend that the government should play a central role, between researchers from academic institutions, sponsors, NGOs and research institutions, to ensure that biomedical research addresses the health priorities of Cameroonians. It should include vulnerable populations, and address other components of the health system for a balance. These recommendations are critical to ensuring that future research informed health policies reflect the health needs of the populations and promote equity in healthcare access.

Hypoglycemic and hypolipidemic effects of Bersama engleriana leaves in nicotinamide/streptozotocin-induced type 2 diabetic rats.

BACKGROUND: The present investigation was aimed at evaluating the hypoglycemic and hypolipidemic properties of the aqueous and methanolic extracts from Bersama engleriana leaves in streptozotocin/nicotinamide (STZ-NA)-induced type 2 diabetic rats. METHODS: Animals were orally treated for 4 consecutive weeks with Bersama engleriana extracts at doses of 300 or 600 mg/kg. The anti-diabetic effect was examined by measuring blood glucose (BG) at 0, 1, 14 and 28 days after STZ-NA treatment and, total cholesterol (TC), high density lipoprotein cholesterol (HDL-C), low density lipoprotein cholesterol (LDL-C) and triglycerides (TG) levels at sacrifice (day 29). Glibenclamide (0.25 mg/kg) was used for comparison. RESULTS: STZ-NA-induced diabetic rats showed moderate to significant increases in the levels of BG, TG, TC, LDL-C while body weight, HDL-C levels and relative weights of liver and pancreas were decreased compared to controls (non diabetic rats). Administration of the plant extracts to STZ-NA diabetic rats resulted in a significant decrease in BG, TG, TC and LDL-C and the dose 600 mg/kg of the methanolic extract was the most effective; HDL-C level was markedly increased after four weeks compared to untreated diabetic rats. A dose-dependent increase in the relative weights of the diabetogenic organs was observed in the Bersama engleriana groups. It can be also noticed that the methanolic extract, especially the dose 600 mg/kg (p<0.001), produced more effects than glibenclamide and aqueous extract. Rats treated with glibenclamide (0.25 mg/kg) generally gave lower results compared to groups treated with plant extracts. CONCLUSION: Results of the present study showed that Bersama engleriana extracts and especially its methanolic extract possess antidiabetogenic properties and beneficial effects on diabetic hyperlipidemia. All these effects could be due to the bioactive components revealed in the Bersama engleriana extracts such as triterpenes and phenols and which could justify its ethnomedical use.