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Addressing Fears of Pregnancy in HIV-infected Women on Highly Active ART

Dr Fatima Laher Recently, I gave a lecture on HIV virology to about 50 first-year science students at a South African tertiary institution. I asked the students to raise their hands if they thought they are – and ever would be – at risk of contracting HIV. They stared at me; those educated faces. Only […]

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Cryptococcal Meningitis Occurs More Commonly in the HIV-infected Patient

Dr David Spencer Reg was admitted with a pulmonary infiltrate and fever. His CD4 count was 128c/μl (3%) and his viral load 33 007cp/ml. Perhaps it was Pneumocystis jiroveci pneumonia? But the fever didn’t settle with Bactrim. We needled the enlarged neck nodes and found Cryptococcus neoformans (see figure 1). His blood and spinal fluid […]

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Tips on Vaccinating HIV Patients

Dr A Glass An effective vaccine needs to stimulate a humoral and cellular immune response. CD4+ T cells are essential for coordinating both components of the immune response. In the setting of CD4+ T cell depletion or dysfunction, the immune response to a vaccine may be inadequate. Vaccines are roughly divided into two categories: live […]

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Crohn’s Disease: Evaluation and Incidence of Post-op Recurrences

Gastro Forum authors: Dr Herbie Schneider, Dr Keith Pettengell, Dr John Wright Despite significant advances in the medical treatment of Crohn’s disease, many patients still require surgery for either refractory disease or complications such as perforation, abscess formation, stenosis and fistulae. In the past, up to 80% of patients needed an intestinal resection at some […]

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Nausea, Vomiting, Rumination: The Most Mysterious Gastric Symptoms

Gastro Forum authors: Dr Herbie Schneider, Dr Keith Pettengell, Dr John Wright One of the more enigmatic symptoms in gastroenterology is nausea and vomiting. The differential diagnosis is wide and will depend on the demographics of the patient. Children, adolescents, females and the elderly are subject to particular problems. In all groups, the most common […]

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How to Differentiate Autoimmune Pancreatitis from Other Medical Conditions

Gastro Forum authors: Dr Herbie Schneider, Dr Keith Pettengell, Dr John Wright Autoimmune pancreatitis (AIP) is a relatively newly described condition, first recognised in Japan, but with reports from various continents suggesting that it is a worldwide disorder. AIP is a rarely diagnosed disorder, possibly because the entity is not well known and recognised. It […]

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The Elusive Truth About Occult Bleeding

Gastro Forum authors: Dr Herbie Schneider, Dr Keith Pettengell, Dr John Wright A positive faecal occult blood test (FOBT) is a frequent cause of referral for specialist advice and the causes of a positive test can fill several pages of patient’s Internet ‘research’. In reality, the common causes are relatively few in number with acid-related […]

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Radiation Proctitis: A Lasting Side Effect

Gastro Forum authors: Dr Herbie Schneider, Dr Keith Pettengell, Dr John Wright Radiation proctitis is an unwanted side effect of radiation following treatment of pelvic cancers including rectum, cervix, uterus, prostate, bladder and testes. The rectum is most frequently involved in radiation proctitis, but the sigmoid colon can also be affected. This article will confine […]

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Anti-diarrhoeal Tablets that Cause Diarrhoea and Other Paradoxes in Medicinal Use

Gastro Forum authors: Dr Herbie Schneider, Dr Keith Pettengell, Dr John Wright ‘The antacid that causes dyspepsia’, ‘the proton pump inhibitor that causes hyperacidity’ and ‘the anti-diarrhoeal that causes diarrhoea’ – all doctors are all familiar with patients’ claims that appear to be irrational. These could be interpreted as a confirmation of the basis of […]

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More Awareness Needed to Combat Irritable Bowel Syndrome – WGO

Gastro Forum authors: Dr Herbie Schneider, Dr Keith Pettengell, Dr John Wright On World Digestive Health Day on 29 May 2009, the World Gastroenterology Organization (WGO) released an updated guideline on irritable bowel syndrome (IBS) and called upon the gastroenterology community to raise awareness about this illness. An important publication has also been released by the American […]

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