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Biomedical subjects

M Zaher

Publications and source records attributed to M Zaher.

5 recordsLinked to original sources

[Laparoscopic cholecystectomy versus classical cholecystectomy].

The authors evaluated the results after classical (CCHE) and laparoscopic cholecystectomies (LCHE) in the period from March 16 1994 to June 30 1995. In this period they operated on 408 patients, out of which 208 were operated by the laparoscopic technique. There were no differences in postoperative morbidity. The mortality after laparoscopic surgery was 0% and the classical cholecystectomy reached the morbidity of 1.4%. Complicated patients were usually operated in the classical way. The time of hospitalisation after LCHE was 5.2 days and after CCHE 8.3 days. The results of LCHE were as follows: morbidity 10.5%, conversions 2.4%, reoperations 1.4%, and no leakage of the bile duct. We saved 40% of costs using LCHE. All these facts show that LCHE is advantageous, secure and well tolerated by patients. The patients prefer comfort after the operation, good cosmetic effect and a short hospital isation. CCHE did not lose its position, especially in complicated cases. (Tab. 5, Ref. 21.)

Adolescent↗

Rhabdomyosarcoma of the nose and paranasal sinuses in adults and children.

OBJECTIVE: To determine the biologic behavior, risk factors for recurrence, and influence of multimodality therapy on outcome for children and adults with rhabdomyosarcoma of the nose and paranasal sinuses. DESIGN: Retrospective review of medical records. PATIENTS: During a 36-year period 37 patients (median age, 23.0 years) with histologically confirmed rhabdomyosarcoma of the nose and paranasal sinuses were treated for cure. Median follow-up was 28 months (range, 1 to 260 months). Histologic subtypes included embryonal, 16; alveolar, 15; mixed, 1; and unclassified, 5. Cervical metastases were present in 38%. Patients were treated with surgery, 4; radiotherapy, 3; chemotherapy, 3; surgery and radiotherapy, 1; surgery and chemotherapy, 1; chemotherapy and radiotherapy, 24; and chemotherapy, radiotherapy, and surgery, 1. RESULTS: The overall 5-year survival was 44%. For patients treated with chemotherapy and radiotherapy or chemotherapy, radiotherapy, and surgery, the 5-year survival was 60%, compared with 19% for patients treated with the other forms of therapy. Factors associated with poorer survival were adult onset of disease, alveolar histology, and treatment with systemic chemotherapy for less than 1 year. Patients receiving chemotherapy for greater than 1 year had a 5-year survival of 82%, compared with 71% for those with less than 1 year of treatment. Improved survival was associated with a lower incidence of distant metastasis. CONCLUSIONS: A combination of chemotherapy and radiotherapy may provide the best means of obtaining local-regional control for rhabdomyosarcoma arising in the nose and paranasal sinuses. The risk of regional disease is high, requiring comprehensive radiotherapy to the neck in addition to the primary site. Surgical resection should be reserved for patients with residual disease after chemotherapy and radiotherapy. Administration of chemotherapy for more than 1 year is associated with improved survival because of a decreased incidence of metastatic disease.

Adolescent↗

Drug-induced haemolysis and renal failure in children with glucose-6-phosphate dehydrogenase deficiency in Afghanistan.

Twenty children (18 boys and 2 girls) with a proven or presumptive diagnosis of glucose-6-phosphate dehydrogenase (G-6-PD) deficiency developed intravascular haemolysis following administration of antimalarials in 9, chloroquine and chloramphenicol in 1, chloroquine, chloramphenicol and aspirin in 1, chloramphenicol and aspirin in 3, and aspirin alone in 4. Eleven of these children developed acute renal insufficiency. All were managed with supportive care, including blood transfusion, forced diuresis and peritoneal dialysis wherever indicated. Only 16 children recovered completely. The occurrence of G-6-PD deficiency is being reported for the first time in Afghanistan.

Acute Kidney Injury↗

[Health program and use of community health workers: the example of scorpion envenomation in Tunisia].

Scorpion envenomation is a public health problem in Tunisia (40.000 cases/year), particularly in the zone of central Tunisia (region of Sidi Bouzid). The size of the province, its low rate of urbanization and the relatively limited health ressources required an anti-scorpion approach based on the implication of community health workers. During the year 1997, the 338 health workers who assure 76% of the emergency points treated 42% of scorpion envenomation cases. In spite of the success of the experience, authors discuss "the specialization" of these agents whose the contribution to others aspects of primary care could be improven. These health workers don't constitute a basic component of the organization of health care, but an exceptional measure for special geographical considerations.

Animals↗