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Biomedical subjects

A el Danaf

Publications and source records attributed to A el Danaf.

8 recordsLinked to original sources
PubMed1995

Burn variables influencing survival: a study of 144 patients.

This review assess the influence of burn variables on patients' survival using epidemiological analysis of 144 patients admitted over a 2-year period, the overall mortality rate was 9.7 per cent. The risk of mortality in patients with 30-50 and 50-80 per cent total body surface area (TBSA) burns was 16 and 86 times that in patients with less than 30 per cent TBSA burns respectively. The risk of mortality was multiplied by five when burns were full skin thickness or arrival was delayed for between 2 and 5 h. The increases in burn size, burn depth and arrival delay significantly raised the mortality rate (P < 0.0001, P = 0.02 and P = 0.01 respectively). When burn surface area (BSA) exceeded 30 per cent TBSA, the effect of the other two variables on survival were reinforced. When the patients' age was under 6 years and BSA was above 85 per cent TBSA, the risk of mortality was increased five times but insignificantly raised its rate.

Adolescent↗
PubMed1992

[Esthetic pinching of the globular nasal tip. Technical note].

A conservative technique designed to simple reduce the width of nasal tip is presented. It consists of approximation of the anterosuperior segments of alar lateral crus after their elevation on median pedicles. A marginal inferior band of alar cartilage is left adherent to the nasal mucosa. The procedure is completed without cartilaginous excision. We tried this technique in ten rhinoplasties and the results were satisfactory. The nasal tip narrowing obtained has no significant effect on either tip projection and position or nostril shape.

Esthetics↗
PubMed1991

Analysis of 105 patients admitted over a 2-year period to a modern burns unit in Saudi Arabia.

This is an epidemiological survey of 105 burned patients treated between May 1986 and May 1988 in a modern Burns Unit in Saudi Arabia. Hospitalization time ranged from 1 to 100 days with a mean of 17 days. The mean age of the patients was 9 years. Sixty (57 per cent) of the patients were males and 45 (43 per cent) were females. The main causes of injury were hot liquids (57.7 per cent) and fire (33 per cent). The mean extent of injury was 19 per cent TBSA. Burns covered less than 40 per cent TBSA in 91 out of 105 patients (87 per cent). Deep burns did not exceed 100 units of burned skin in 48 out of 55 patients (87 per cent). Urgent escharotomy was done in 14 patients. Early excision and skin grafting was carried out in 34 patients. Complications included six cases (5.7 per cent) with septicaemia, one (0.9 per cent) with disseminated intravascular coagulopathy, three (2.9 per cent) with amputation and one (0.9 per cent) with stress gastric ulcer. Seven patients discharged themselves against medical advice. Five patients died. The favourable results in this series were attributed mainly to the low severity of burns and partially to the short delay between injury and admission, early surgery and remarkably good facilities. Childhood scalds in this region of the world could possibly be reduced by changing the family habit of having tea at floor level and recommending wide-based tea-pots.

Adolescent↗
PubMed1990

[Role of micro-anastomosed muscular transplantation in corrective surgery of permanent facial paralysis].

Vascularized and reinnervated transfer of a muscle from the body to the face is never a simple procedure. It is important to evaluate the pre-operative state of facial muscles. It is difficult to define the correct indications for the various surgical techniques proposed: muscle selection, selection of recipient vessels, selection of a reinnervation method, the positioning of the transferred muscle. The authors present a series of 12 cases of long standing facial paralysis for more than 3 years. Results are presented. The authors think that the ideal muscular transfer is still unknown. In principle, nothing can replace facial muscles except facial muscles. Currently, the authors prefer the latissimus dorsi flap with partial transfer. For reinnervation, the facial nerve must take the priority, while all other reinnervation technics should take second place. In all cases, great attention must be paid to the positioning of the muscle, the usefulness of conventional palliative procedures and the continuous moral support to all of these patients.

Facial Paralysis↗
PubMed1987

[Experimental factors influencing the growth of the jaws].

An experimental study evaluated the effect of various surgical procedures on maxillary growth. Raising and excision of palatine muco-periosteum did not modify facial or palatine growth. Resection of the bony palate showed the non-essential nature of the medial palaxine suture during normal growth, even in the transverse direction. Coagulation of the two posterior palaxine arteries disturbed palaxine growth, but ligature of the external carotid artery failed to alter facial growth. Several tests were carried out to determine the importance of functional matrices: excision of facial nerve trunk did not affect bone growth, destruction of the trigeminal provoked obvious disturbance of craniofacial growth while obturation of a nasal fossa produced no observable anomaly. Enucleation demonstrated the need for an intact globe for normal orbital growth, and resection of the mandibular condyle showed the primordial role of cartilaginous centers in mandibular growth.

Animals↗
PubMed1986

Venous drainage through marrow coaptation in free bone transfer: two case reports.

Two cases with chronic bony defects, one post-traumatic and the other after bone tumor excision, were reconstructed with free bone transfers, using only microarterial anastomoses. The survival of these transfers, despite the absence of microvenous anastomoses, may indicate that venous drainage can develop through well-coapted bone marrow.

Adult↗