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Biomedical subjects

Rakesh Biswas

Publications and source records attributed to Rakesh Biswas.

5 recordsLinked to original sources

Resolving diagnostic uncertainty in initially poorly localizable fevers: a prospective study.

AIMS: Prospective, observational data collection of fever patients with regard to aetiology and means of detecting it particularly noting the factors, which quickly helped resolve diagnostic uncertainty. METHODS: Prospective follow-up of patients with clinically non-localizable fever admitted to Manipal Teaching Hospital, Pokhara, Nepal, documenting their temperature response, clinical and lab findings and diagnoses with their response to treatment. RESULTS: Enteric fever 56.8% (25), urinary tract infection 15.9% (7), malaria 9% (4), TB (pulmonary) 4% (2), abscess 4% (2) and hydatid cyst 4% (2). Remaining 4% were due to some other systemic causes. Culture positive: Salmonella typhi positive 32% (8), S. paratyphi positive 20% (5) and culture negative 48%. Response to treatment: enteric fever--(i) first-line drugs (ampicillin/cotrimoxazole) 16% (4), (ii) second-line drugs (ciprofloxacin) 20% (5) and (iii) ceftriaxone 44% (11). CONCLUSIONS: Fever charting as a means to localize Salmonella vs other fevers is still an invaluable clinical tool in adult patients in Nepal. If used judiciously, it can be used as an effective means to diagnose and treat patients of initially non-localizable fevers. Patience must be exercised in starting antibiotics, not until the fever pattern of 2 days suggests enteric, and also while waiting for a response to first-line drugs for Salmonella before one switches over to costlier second-line drugs, with the possible exception of quinolones which may even be used first line owing to their reduced costs (at the danger of wielding a double-edged sword).

Adolescent↗

A blackening lady--case report.

A 40 year old lady presented with the classical clinical features of Addison's disease which on further investigations with an ultrasound abdomen showed a right suprarenal mass. This was subjected to a fine needle aspiration which revealed pus which on culture grew Klebsiella pneumoniae. Patient responded well to steroids and antibiotics. To the best of our knowledge this is the first report of Klebsiella pneumoniae in association with Addison's disease.

Addison Disease↗

Endoscopic sclerotherapy of gastric variceal bleeding with N-butyl-2-cyanoacrylate.

BACKGROUND: bleeding from gastric varices is a life-threatening complication of portal hypertension. Fundal and isolated gastric varices are at high risk for variceal bleeding. In this study, we report our experience with n-butyl-2-cyanoacrylate (BC) in patients with large gastric varices. STUDY: twenty-nine patients (15 male, 14 female) with large fundal varices (active bleed, 5; passive bleed after eradication of esophageal varices, 13; unbled fundal varices with red color sign, 11) underwent endoscopic sclerotherapy with BC. Cirrhosis was present in 13 patients; extrahepatic portal venous obstruction, in 13; and noncirrhotic portal fibrosis, in 3. N-Butyl-2-cyanoacrylate after mixing with lipiodol (1:1) was given to the initial 10 patients and was given in undiluted form to the remaining patients, followed by injection of 0.7 mL of distilled water to rinse the injection catheter. One to three injections (0.5-1 mL) were given until all gastric varices became hard. All patients were on long-term endoscopic sclerotherapy or variceal ligation programs for eradication of esophageal varices. RESULTS: acute variceal bleeding was controlled in all five patients with BC injections. Eradication of gastric varices was achieved in 27 (93.1%) patients (20 patients in 1 session, 4 patients in 2, and 3 patients in 3-6). Rebleeding occurred in three (10.3%) patients who responded to repeat BC injections. Complications related to the procedure occurred in two (6.9%) patients. In one patient, the needle became impacted into the tissue adhesive. This patient died 5 days later because of massive upper gastrointestinal bleeding. In the other patient, there was distal embolization. CONCLUSIONS: sclerotherapy of gastric varices with BC is a safe and an effective treatment for control of bleeding and eradication. The needle should be withdrawn immediately after the BC injection to prevent its impaction into the tissue adhesive.

Adolescent↗