Vaccination against measles with Biken measles virus vaccine. Combined use of killed and live vaccines.
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Biomedical subjects
Publications and source records attributed to S T Lin.
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Persistent omphalomesenteric band is a rare cause of volvulus or intestinal obstruction. A 7-month-old male infant was brought to this Emergency Room after having shown poor appetite for three days, frequent bilious vomiting, and fever for half a day. Physical examination revealed the infant was dehydrated and had slight abdominal distension as well as hypoactive bowel sounds with a tender, ill-defined mass over right lower quadrant. Radiography and sonography were consistent with distal small bowel obstruction. Emergent laparotomy was done and a fibrous band found extending from the anti-mesenteric border of the ileum to the posterior wall of the umbilicus. Small bowel volvulus had occurred around the band and dilated small bowel was noted. An understanding of the embryologic development of these structures and their normal disappearance may assist pediatricians and surgeons to make the correct diagnosis and select the right pathoanatomic approach in surgery.
Anemia of prematurity (AOP) has been conventionally treated with erythrocyte transfusions. Recent investigations have reported the use of recombinant human erythropoietin (rHuEPO) as an alternative for treating AOP. The potential of rHuEPO in increasing erythropoiesis implies its clinical usefulness. The effect of rHuEPO on reticulocyte count as well as other parameters of blood cells was examined in 14 premature babies with AOP. The average birth body weight and gestational age of these premature babies were 1533.71 +/- 61.66 g (Mean +/- SEM) and 31.36 +/- 0.49 weeks respectively. They received the first dose of rHuEPO at age 26.14 +/- 2.03 days with a hemoglobin level by 9.40 +/- 0.27 g/dL and hematocrit level of 28.20 +/- 0.81%. They were given rHuEPO 200 U/kg subcutaneously every other day for 10 doses, and iron 3 mg/kg and vitamin E 25 IU/kg per os every day. Average erythropoietin level of the patients on entry into this study was low (7.66 +/- 1.10 mu/mL). After treatment with rHuEPO for 20 days, the corrected reticulocyte count increased from 0.64 +/- 0.10% to 1.68 +/- 0.42% on Day 5 (P < 0.05), 1.96 +/- 0.41% on Day 12 (P < 0.05), 1.77 +/- 0.43% on Day 20 (P < 0.05), and hematocrit increased from 28.2 +/- 0.81% to 29.58 +/- 1.02% (p < 0.05) on Day 20. Bone marrow aspirates on Day 10 for 9 infants revealed moderate to high cellularity, mostly with erythroblasts (47.89 +/- 1.78%); the M/E ratio was low (0.57 +/- 0.05). The granulocyte series and megakaryocyte could be well visualised.(ABSTRACT TRUNCATED AT 250 WORDS)
A case is reported of a 16-month-old girl who presented with generalized hypotonia, ptosis and persistent low grade fever after a previous pneumonia. Brain CT and MRI showed symmetric necrotizing lesions in the basal ganglia, substantia nigra and periaqueduct area. Lactate and pyruvate levels were elevated in both the blood and cerebrospinal fluid. Biopsy of the rectus femoris muscle for electron microscopic examination revealed some distortion of the mitochondrial cristae. Biochemical study showed normal respiratory chain enzymes. Leigh disease was considered from the neuroradiological findings and morphological investigations.
A case is reported of a newborn who presented with generalized hypotonia shortly after delivery. Creatine kinase (CK) was highly elevated. Muscle biopsy of the rectus femoris muscle revealed varying sized muscle fibers, displacement by fat and connective tissues, necrosis and regeneration of the muscle fibers. Magnetic resonance imaging (M.R.I.) of the brain showed normal development, compatible with the patient's age. Congenital muscular dystrophy was diagnosed from clinical manifestations, laboratory findings, and the results of muscle biopsy.