Delayed-onset epinephrine-induced pulmonary edema.
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Absorption↗
Biomedical subjects
W T Lin
Publications and source records attributed to W T Lin.
Primary sclerosing cholangitis in a child.
Primary sclerosing cholangitis (PSC) is a rare disease in Taiwan and has not been described in Taiwanese children previously. We report a 4-year-old girl who presented with prolonged fever, eosinophilia (11%), hepatomegaly, and markedly elevated serum levels of alkaline phosphatase (3,318 IU/L) and gamma-glutamyl transpeptidase (475 IU/L). Subsequent investigations including endoscopic retrograde cholangiopancreatography and liver histology confirmed the diagnosis fo PSC. Treatment with a low dose of prednisolone for 2 months and ursodeoxycholic acid during 32 months of follow-up resulted in clinical remission and halted disease progression. A high index of suspicion is necessary for physicians to diagnose this disorder in children with chronic liver disease. Our experience in this case indicates that therapy with prednisolone and ursodeoxycholic acid may be helpful for the treatment of PSC in children, and suggests the need for more trials of combined therapy.
Age of Onset↗
Long-term effect of large biliary endoprostheses in high-risk surgical patients with irretrievable common bile duct stones.
BACKGROUND: Endoscopic sphincterotomy and basket extraction are currently used to remove bile duct stones, with a duct clearance rate of 85% to 90%. A biliary endoprosthesis (stent) is an alternative method to treat difficult cases, especially high-risk surgical patients. The aim of this study was to investigate the long-term effect of biliary endoprostheses in patients with irretrievable common bile duct stones. METHODS: From December, 1990, to November, 1998, 546 patients were referred to the Veterans General Hospital-Kaohsiung for endoscopic removal of common bile duct stones. Of them, 12 received long-term biliary endoprosthesis because endoscopic removal or surgery was not suitable. Large-caliber stents (> 10 French) were inserted into 12 patients (5 women and 7 men, mean age, 78.4 years) and they were followed up with regular clinical visits. Quantitative cholescintigraphy was performed in four patients to evaluate biliary emptying after liver function returned to normal. RESULTS: No early complications from stent insertion occurred and a satisfactory resolution of jaundice, pain and fever were noted in all patients. One patient had repeated cholangitis due to stent occlusion and five died from unrelated causes. The median effective period of stent placement was 11 months (range, 1-38 months). Quantitative cholescintigraphy revealed delayed biliary drainage in four patients despite an absence of symptoms after their liver function returned to normal. CONCLUSIONS: Large-caliber stents are a safe and effective treatment for long-term palliation in high-risk patients with retained common bile duct stones.
Aged↗
Dynamic volume texture mapping and model deformation for visually realistic surgical simulation.
For computer assisted surgical simulation to be effective, objects in the simulated environment should respond to the user's actions dynamically with correct visual information. This includes dragging and cutting that cause changes in geometry, topology and appearance. Geometric object representation can be manipulated intuitively in real-time but does not preserve interior information. Volumetric data representation, on the other hand, preserves volume content but direct manipulation is compute-intensive. 3-D texture mapping provides an alternative in representing volumetric information. We present a surgical simulation system based on geometric models that allows interactive deformation and incision of objects while displaying correct volumetric information corresponding to these changes. This is accomplished by dynamic 3-D texture mapping. This method can be applied to anatomical data and patient CT and MR images to facilitate data/patient specific surgical simulations.
Algorithms↗
Alternation of one-lung and two-lung ventilations with the same single-lumen endobronchial tube during thoracoscopic surgery--a case report.
One-lung ventilation is sometimes necessary for procedures performed through thoracotomy. Single lumen endobronchial tube has been used purposefully for one lung ventilation since 1931. However, there are no reports on intra-operative alternation of one-lung and two-lung ventilations through the same single lumen endobronchial tube as it can only provide unilateral lung ventilation. We present a case in whom a tube exchanger was used to readjust tube position so as to provide alternation of one-lung and two-lung ventilations in a thoracoscopic procedure.
Anesthesia, General↗
Pediatric percutaneous endoscopic jejunostomy by J-tube extension through a preexisting gastrostomy site: a preliminary report.
A prematurely born 5-year-old boy with chronic lung disease, hypoxic-ischemic encephalopathy, cerebral palsy, repeated aspiration pneumonia, and stroke underwent percutaneous endoscopic jejunostomy (PEJ) to alleviate repeated aspiration pneumonia. Studies, including 24-hour esophageal pH monitoring, 99mTc gastric emptying time, upper gastroesophageal barium radiography, and endoscopic examinations showed severe gastroesophageal reflux and prolonged gastric emptying. Percutaneous endoscopic gastrostomy (PEG) was performed first, followed by placement of a polyurethane J-tube (9 French) through the preexisting gastrostomy site. We passed the style-guided J-tube through the pyloric ring endoscopically and advanced it to the jejunum. The position of the J-tube was confirmed by radiologic study. Feeding with an elemental formula, 20 mL/hour, commenced immediately after the procedure, and the rate was gradually increased to 50 mL/hour. No further episodes of aspiration pneumonia have occurred since J-tube placement. Our initial experience with jejunal feeding through a PEJ is encouraging.
Child, Preschool↗
Isolation of Eikenella corrodens from polymicrobial hepatic abscess: report of one case.
Eikenella corrodens is a rare cause of hepatic abscess. We report a case of a hepatic abscess caused by (1) Bacteroides fragilis, (2) Streptococcus constellatus and (3) E. corrodens, which illustrates potential problems of antibiotic coverage due to the presence of Eikenella species. The infection followed an episode of acute gastroenteritis and the clinical course appeared indolent evolving over one week. Besides empirical antibiotics, initial percutaneous aspiration was performed and yielded pus which grew E. corrodens concomitantly with Streptococcus species. E. corrodens was sensitive to penicillin but resistant to clindamycin and metronidazole. But B. fragilis was resistant to penicillin. So the antibiotics were switched to amoxicillin/clavulanate. Unfortunately fever persisted and the abscess increased in size. Therefore echo-guided percutaneous drainage with pigtail catheter was installed. Fever subsided 5 days later. After 21 days treatment of antibiotics, the patient was discharged in good condition despite having some sterile fluid in the residual abscess cavity. Two months after discharge the follow-up echogram confirmed complete resolution of the residual abscess. This patient shows us the existence of E. corrodens in pediatric patients, especially when the hepatic abscess is very likely from the spread of an oral or abdominal infection.
Anti-Bacterial Agents↗