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Biomedical subjects

B Rath

Publications and source records attributed to B Rath.

51 records · Page 3Linked to original sources
PubMed1988

[Findings, treatment and course of frontobasal fractures].

This is a report on the preoperative and postoperative findings of 120 patients with frontobasal fractures. The majority of 62 defects of the dura were treated with lyophilised dura and fibrin glue. The course was controlled by means of a questionnaire. Thus the technique of repairing the lesions as well as the often performed osteosynthesis of the frontal sinus with wire or plates proved to be effective.

Accidents, Traffic↗
PubMedDate not supplied

[Reducing radiation dosage to 20-30 Gy in combined chemo-/radiotherapy of Hodgkin's disease in childhood. A report of the cooperative DAL-HD-87 therapy study].

UNLABELLED: The main objective of the multicenter study DAL-HD-87 was to evaluate for the involved-field irradiation a dose reduction by 5 Gy compared with the precursor studies HD-82 and HD-85. Moreover, the decisional strategy for selective laparotomy developed on the basis of retrospective analyses in study HD-82 was to be tested in a prospective design. Chemotherapy in group 1 (stages I, IIA) consisted in 2 OPA cycles (vincristine, prednisone, adriamycin). Group 2 (stages IIEA, IIB, IIIA) received 2 x OPA + 2 x COP(P), and group 3 (stages IIEB, IIIB, IV) 2 x OPPA (with procarbacine) + 4 x COP(P). For the subsequent radiotherapy, doses of 30, 25, and 20 Gy respectively were applied in the 3 groups. Fields with incomplete lymphoma regression were to receive an additional boost of 5-10 Gy. -Exploratory laparotomy was considered indicated in the event of abnormal findings in abdominal CT/ultrasonography and/or enlargement of lymph nodes at the pulmonary hilus. RESULTS: From Dec. 1986 to Sept. 1990, 204 pts from 51 centres were enrolled in the study. 196 were evaluable. 109 pts (55.6%) were laparotomized, 58 (29.6%) splenectomized. The accuracy for the prediction of an abdominal involvement was 72.3% in case of abnormal findings in abdominal CT/ultrasound but only 36.4% in case of enlarged lymph nodes at the pulmonary hilus without abdominal abnormalities. 91.2% of the removed spleens were proven involved. -2 out of 196 pts suffered progression under treatment, and 22 relapsed (as of 1 Jan, 1994). 6 pts died, 4 of whom succumbed to Hodgkin's disease, and 2 to intercurrent infections. 2 pts in first remission developed a secondary malignancy, namely 1 malignant histiocytoma in radiation field and 1 ANLL. Another patient developed a thyroid carcinoma following salvage therapy for a relapse. The probabilities of event-free survival (EFS) and survival after 7 years are for the total group: 85% and 97%, in group 1: 84% and 99%, in group 2: 82% and 93%, and group 3: 89% and 95%. Comparison with the precursor studies HD-82 and HD-85 reveals that the dose reduction in radiotherapy has not affected the results. Differences in EFS are exclusively correlated with changes in chemotherapy.

Adolescent↗
PubMedDate not supplied

Clinical profile of children with nephrotic syndrome not on glucorticoid therapy, but presenting with infection.

OBJECTIVE: This is a prospective, hospital based study over a period of one year, to examine the clinical profile of nephrotic children not on glucocorticoid therapy, but presenting with infection. METHODS: Sixty-eight children with 76 episodes of nephrotic syndrome were enrolled during the study year. They were examined for evidence of infection using clinical and investigative criteria. The children were monitored daily for proteinuria and improvement of infection. After the infection was controlled, prednisolone therapy was started in those who were not already in remission. RESULTS: Of the 76 episodes, eight were excluded from analysis as they had developed infection while they were on glucocorticoid therapy. Of the remaining 68 nephrotic episodes in 60 children, there was evidence of infection in 57 episodes (83.8%). Upper respiratory infection was the most common (28.0%) followed by urinary tract infection (22.8%), peritonitis (15.8%), pneumonia (14.0%), acute invasive diarrhoea (10.5%) and empyema (5.3%). Children with infection had significantly lower serum albumin and higher serum cholesterol compared to non-infected children. Of the 57 episodes with infection, remission occurred with control of infection alone in nine episodes (15.8%) and glucocorticoid therapy was not required. CONCLUSION: Infection is widely prevalent among Indian children presenting with episodes of nephrotic syndrome, even when they are not on glucocorticoid therapy. Some children may go into remission by control of infection alone. Among the infections, upper respiratory and urinary tract infections are the most common.

Albumins↗
PubMedDate not supplied

Inhibition of hypercoagulation by antithrombin substitution in E. coli L-asparaginase-treated children.

Acquired deficiency of antithrombin (AT), which in some patients could lead to thrombosis, has been a serious side effect of protocols which incorporate E. coli L-asparaginase (ASP) for the treatment of acute lymphoblastic leukaemia (ALL). In a longitudinal, prospective, non-randomized study children with ALL (n=27) were treated according to the protocol ALL-BFM-90. During the induction phase using prednisone, vincristine, daunorubicin and ASP, AT substitution was performed in 15/27 patients, when their plasma concentration decreased below 60% of normal with a concomitant increase of D-dimer formation. After the administration of the AT concentrate the patients, plasma concentration of AT increased and remained elevated after 18, 48, and 72 h. In addition, the plasma concentration of enhanced thrombin generation, D-dimer formation and plasminogen activator inhibitor 1 decreased towards normal levels. Although the observed laboratory findings may serve as evidence for a possible clinical benefit of AT substitution during ASP treatment, further randomized studies are requested to evaluate whether the use of prophylactic AT administration could reduce the incidence of thromboembolic events in childhood acute leukaemia.

Antineoplastic Agents↗
PubMedDate not supplied

Pediatric acute leukemia presenting as bilateral renal enlargement. Report of a case with fine needle aspiration cytologic features suggestive of megakaryocytic differentiation.

BACKGROUND: Fine needle aspiration (FNA) cytologic diagnosis of acute myeloid leukemia involving the kidney has rarely been reported, but acute leukemia with cytologic features suggestive of megakaryocytic differentiation has not been described before. CASE: An 8-month-old male presented with an abdominal swelling, bilateral cervical and inguinal lymphadenopathy and enlarged left epididymis. Ultrasonography of the abdomen revealed a space-occupying lesion in the liver and bilateral enlargement of the kidneys. FNA smears from the right kidney and right submandibular lymph node showed numerous blast cells. Since rare blast cells were positive for myeloperoxidase, a cytodiagnosis of involvement by acute myeloid leukemia (AML) was made. However, following the hematologic diagnosis of acute megakaryoblastic leukemia (M7) from peripheral blood and bone marrow smear examination, FNA smears were reviewed. There were cytoplasmic blebs or protrusions in the blast cells and cytologic features suggestive of their differentiation toward micro-megakaryocytes and megakaryocytes. There was also evidence of shedding of platelets, including numerous giant platelets. The reviewed FNA cytodiagnosis was suggestive of AML (M7). CONCLUSION: Extramedullary involvement by acute megakaryoblastic leukemia (M7) can be suspected based on cytomorphologic features in FNA smears.

Biopsy, Needle↗
PubMedDate not supplied

Etiologic spectrum of acute sporadic viral hepatitis in children in India.

The relative magnitude by hepatitis A virus (HAV), hepatitis B virus (HBV) and hepatitis Non-A, Non-B virus (HNANBV) was determined in 496 children from three different parts of India suffering from acute viral hepatitis by tests for specific IgM class anti-HAV and anti-HBV antibodies in the serum. HAV, HBV and NANB infections accounted for 55.8 per cent, 20.2 per cent and 23.2 per cent of cases respectively. Hepatitis A largely (59.5%) affected younger children of 1-5 yr. Nearly a third of children affected by NANB hepatitis were additionally positive for HBsAg. The proportions of HAV and HBV infected cases respectively decreased and increased with increasing age whereas the incidence of HNANBV infection remained almost constant throughout childhood. Acute NANB hepatitis, a major health problem in the adults of India is also common throughout childhood. This study suggests that this infection does not impart long lasting protective immunity.

Adolescent↗
PubMedDate not supplied

Inefficacy of fresh frozen plasma in the treatment of L-asparaginase-induced coagulation factor deficiencies during ALL induction therapy.

A prospective longitudinal study was conducted to determine whether single-donor fresh frozen plasma (FFP) substitution was able to influence L-asparaginase-associated hypoproteinemia. Within a 36-month period, 20 of 42 children with ALL received a total of 42 prophylactic FFP doses at a median of 10 (5-20) mliter/kg when fibrinogen levels decreased to < 60 mg/dL and thrombin time was lengthened. Laboratory monitoring before, during and after FFP substitution showed no short-term improvements and demonstrated only a minimal increase in fibrinogen and alpha 2-antiplasmin. Plasma levels of antithrombin and plasminogen remained unchanged. Furthermore, administration of FFP had no influence on thrombin generation, the plasmin/alpha 2-antiplasmin complex or enhanced D-dimer formation.

Afibrinogenemia↗