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Biomedical subjects

M F Stranc

Publications and source records attributed to M F Stranc.

At least 37 records · Page 2Linked to original sources
PubMed1989

Wound sterilization: CO2 laser versus iodine.

Control of infection in a surgical wound remains a challenge, especially if further surgery in the area is needed. This study was designed to compare the effectiveness of sterilization of a standard experimental infected wound by surgical skin preparation (Betadine) as compared to treatment with the CO2 laser. Standard wounds (5 x 6 cm) were created superficial to the panniculus carnosus on each flank of 37 adult male New Zealand rabbits. Each wound was infected with a standard dose of Pseudomonas aeruginosa. All wounds became grossly infected. On the third day one flank wound was treated with the CO2 laser, the other with the Betadine solution, and a punch biopsy (4 mm) was taken from each wound for quantitative bacterial counts. Less than 10% of the laser-treated wounds grew Pseudomonas, whereas nearly 40% of the iodine-treated wounds remained infected (P less than 0.005). Our early clinical experience using the CO2 laser for the sterilization of infected wounds is also reported.

Adult↗
PubMed1989

Accidental reinnervation as a complication of latissimus dorsi free flap to the face and scalp.

Although direct nerve neurotization is well known, accidental full reinnervation of a major muscle following microvascular transfer has not previously been reported. Our patient, who presented with total scalp loss, was initially treated with simple skin grafts. Repeated breakdowns over the years necessitated the use of more durable cover. A free latissimus dorsi muscle flap achieved this objective. Two years post-transfer it became evident that the whole of the latissimus dorsi had become innervated, producing facial and scalp distortion when the patient smiled. Formal exploration and section of both neural trunks to the latissimus dorsi was necessary to abolish this bizarre grimace.

Adolescent↗
PubMed1987

Comparison of lip function: surgery vs radiotherapy.

This work was undertaken to compare lip function after surgery and after radiotherapy. In all, 37 patients were studied, 19 post-surgery and 18 after radiotherapy. Both physical lip parameters, such as intercommissural distance and soft tissue gape, as well as sensation and functional outcome, were assessed. The cure rates were found to be comparable in both groups. Our study shows functional benefits when radiotherapy is used as opposed to extensive surgery. This is due primarily to the loss of sensation and elasticity which follows surgery.

Aged↗
PubMed1984

Lip function: a study of normal lip parameters.

This paper presents a study of normal lip parameters in 500 individuals representing both sexes and all age groups. The parameters studied were intercommissural distance at rest and during activity, soft-tissue gape, oral access, elasticity of perioral tissues, and upper and lower sulcus depths as an indication of lip curtain height. The strength of the orbicularis oris was measured using the pommeter (Peri-Oral-Muscle-Meter). Lip sensation was studied by testing two-point discrimination in all four lip quadrants. Statistical analysis revealed results to be significant to a p value of 0.01.

Adolescent↗
PubMed1984

Lip function: a study of oral continence.

Oral continence is achieved through the harmonious interplay of several factors of which the most important are the lip sensitivity, the strength of the orbicularis oris muscle and the height of the lip curtain. Forty-four persons with varying degrees of oral incontinence and diverse lip disorders were then examined and compared against the normal values. Significantly low values for all three factors found in the orally incontinent patients supported our hypothesis that the normality of these factors is essential for the maintenance of the oral seal. Central causes of dribbling, such as mental retardation and salivary over-secretion, irrespective of etiology, are not considered here.

Female↗
PubMed1983

Steeple flap reconstruction of the lower lip.

A new method of lower lip reconstruction using a full-thickness cheek island flap based on the facial vessels is described. The functional potential of the method is assessed in six patients. The technique outlined is simple in design and execution. It is capable of total lower lip reconstruction without appreciable microstomia. Other major techniques of lip reconstruction are briefly reviewed.

Adult↗
PubMed1982

Normal lip function in adults.

A superficial review of the literature revealed numerous types of surgical corrections for lip defects, but an in-depth search turned up little information on lip dimensions and functions. In the absence of a range of normal lip values, assessment of postoperative results is limited to the subjective impression of surgeon and patient. Using simple measuring techniques, some of the surgically important aspects of lip anatomy and function have been recorded, analyzed statistically, and presented as a range of normal values to facilitate objective comparison with abnormal and postoperative lip states.

Adult↗
PubMed1979

A classification of injuries of the nasal skeleton.

A classification of fractures of the nasal skeleton is presented, based on both the pattern of impact and the subsequent damage sustained. The fractures are broadly classed into those resulting from lateral force and those from frontal impact. The latter are further subdivided into three levels of planes of injury; knowledge of the applied anatomy of these injuries is shown to be essential. The clinical findings and the management of each group are discussed.

Adult↗
PubMed1979

Conservative treatment of keratoacanthoma.

In recent years there has been a trend toward more aggressive management of keratoacanthoma: surgical extirpation has been recommended as giving a superior result and resolving diagnostic problems. A selection of cases is presented suggesting that (1) surgical repair in the florid phase can be little short of mutilating, (2) the scars produced by the natural resolution of keratoacanthoma are usually insignificant, and (3) in those in which the residual scar must be "tidied up," the final result is more acceptable than that achieved through earlier interference. Emphasis is placed on close, personal follow-up, to preclude mistaken diagnosis.

Adolescent↗
PubMed1979

An intraarticular approach to correction of the bifid thumb.

Surgery of the bifid thumb may leave significant residual deformity. A technique is presented in which the nondominant component is amputated, while its collateral ligament and an attached epiphyseal segment are preserved in continuity. These are relocated accurately on the dominant part. Intraarticular reshaping of the proximal bone is also performed. We report 2 cases in which this method was used, with three- and six-year follow-up. Adequate skeletal correction and stability have been achieved, no disturbance of growth has been noted, and function is satisfactory.

Child, Preschool↗
PubMed1978

Primary treatment of craniofacial injuries.

This presentation offers analysis of findings and treatment of 15 patients who suffered cranio-facial injury. 4 of them sustained isolated fractures of the glabella and supra-orbital margin; the remainder suffered disruption of the facial and cranial skeleton. In all cases, the possibility of dural tear with C. S. F. leak, should be considered. The advantages of primary treatment of cranio-facial injuries by a joint neuro- and maxillo-facial team are as follows:--The risk of meningitis is greatly reduced.--The precise diagnosis of injury and maximum conservation of tissue is possible.--Most of the dissection necessary for repair is carried out by the force of impact and no fibrous tissue is present to hinder reconstruction.--Finally, primary surgery gives the best possible cosmetic results. Secondary skeletal surgery, even on the scale proposed by Tessier, often falls short of the results possible with adequate primary treatment.

Adolescent↗