Viral hepatitis E, zoonotic transmission in Algeria

Viral hepatitis E, a major cause of acute viral hepatitis in adults, is a global public health problem. The zoonotic potential of the virus is currently accepted in developed countries. In developing countries, where transmission is mainly enteric, data on the animal reservoir are very limited. Our objective was to identify a possible risk of zoonotic transmission in our region (eastern Algeria). Four hundred and thirty four sera from blood donors were analysed by an-ti-HEV IgG antibodies detection using a commercial ELISA kit. Study participants were asked about demographics, contact with farm animals, pets, rats, and with live or shot game during a hunting activity. The anti-HEV IgG seroprevalence was 17.05%. Two risk factors were identified; rat contact with a seroprevalence rate at 51.2% (p < 1p.1000), OR = 6.736 [95% CI 3, 42-13.26] and game contact with a seroprevalence at 33% (p = 0.003), OR = 2.76 [95% CI 1.37-5.56]. In summary, zoonotic transmission is possible in our region. Rats and game should be investigated for a probable animal reservoir.

Severe Acute Pancreatitis Associated with Weil's Disease

Leptospirosis is an emerging zoonosis of worldwide importance. Its distribution is closely linked to hydrometric conditions. It is characterized by a wide clinical range, from the subclinical form, or one with few symptoms; which resolves spontaneously, to the multi-visceral form, known as icterrohemorrhagic disease or Weil's disease, with a lethal risk. All organs can be affected but with variable frequency. Pancreatic involvement is not well documented. We describe a 45-year-old man with Weil's disease associated with acute necrotizing pancreatitis. The evolution was favorable but required a three-week stay in the intensive care unit.

First study of hepatitis delta virus in Algeria: Seroprevalence and risk factors in Setif region (east of Algeria)

Background

No recent data are available on hepatitis delta virus (HDV) prevalence in Algeria. For this reason we conducted an epidemiological study, cross-sectional seroprevalence of HDV in the region of Setif.

Methods

Between 2011 and 2014, sera samples of 500 patients (carrying HBsAg) admitted to the Division of Infectious Diseases Teaching Hospital, Setif (east of Algeria), were tested for anti-HDV-IgG ab (ETI-AB-DeltaK-2).

Results

The prevalence of HDV obtained is estimated at 2.4%. The prevalence ranges from 1% in chronic hepatitis to 11.1% in cirrhotic hepatitis (low endemic area). Seropositivity rate is closely correlated with age (Odds ratio [OR] = 9.98, p = 0.000) and gender (OR = 0.24, p = 0.025); it reaches 58.3% in the age group of 51–60 years and 0% in children (age group 1–15 years); it represents 75% in females and 25% in males. The presence of familial cases of HBsAg positive (OR = 4.54, p = 0.006), the endoscopic procedure (OR = 6.54, p = 0.000) and tattooing (OR = 20, p = 0.000) were found to be the transmission risk factors. A statistically significant relationship was found between the positivity of anti-HDV and advanced liver disease, cirrhosis (OR = 9. 16, p = 0.000). A significant correlation was found between the positivity of anti-HDV with diabetes (OR = 6.83, p = 0.000), obesity (OR = 4.19, p = 0.009) and viral suppression B (OR = 5.69, p = 0.003).

Conclusion

Our results show that HDV infection is low in Algeria. Research for total anti-HDV should be part of the initial assessment of patient care with viral hepatitis B as well as the prevalence of other viruses (hepatitis C [HCV] and HIV). A multicentre study should be carried out to know the importance of HDV infection and identify the risk groups.

[Neurobrucellosis: description of 5 cases in Setif Hospital, Algeria]

PURPOSE

Brucellosis is a major ubiquitous zoonosis transmitted from livestock to humans. It is a public health problem in developing countries. Between 2003 and 2005, the incidence of brucellosis in Algeria showed a 181% increase from 8.79 to 24.71. Between 2005 and 2007, the incidence remained almost stable. The estimated mean incidence of neurobrucellosis is 4% with clinical manifestations that are variable and often multi-focal in the same patient. The purpose of this retrospective study is to describe 5 cases of neurobrucellosis managed in our department between 2001 and 2007.

MATERIALS AND METHODS

It was a retrospective study 5 patients. There were 2 women and 3 men with a mean age of 20 years.

RESULTS

Neurological involvement occurred immediately in all patients. Clinical manifestations were variable with meningoencephalitis in 2, meningoencephalitis associated with a polyperipheral neuropathy in 1, meningomyeloradiculitis in 1, and acute diffuse encephalitis in 1. Definitive diagnosis was based on isolation of bacteria from a blood specimen in 1 case and detection of antibodies in blood and cerebrospinal fluid in 4. All patients were treated using a combination of 3 of the following 4 drugs: doxycycline, rifampicine, cotrimoxazole and aminoside. Treatment was associated with corticosteroid therapy in 3 cases.

DISCUSSION

Neurobrucellosis can affect any part of the nervous system and can mimic any neurological disease. Early detection and treatment is the only predictor of favorable outcome of neurobrucellosis, but there is no standardized treatment protocol. Neurobrucellosis should be included in differential diagnosis for any patient presenting central or peripheral neurological manifestations especially in endemic zones.