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Biomedical subjects

V Mitz

Publications and source records attributed to V Mitz.

At least 37 records · Page 2Linked to original sources
PubMed1986

Current face lifting procedure: an attempt at evaluation.

There are many techniques currently available for face lifting. The individual choice should be made based upon solid knowledge of anatomy and physiology as well as upon knowledge of long-term results in operated patients. In the absence of scientific information regarding deterioration of skin and muscle tension after operation, the only valid basis for judgement is a combination of the surgeon's assessment and the patient's degree of satisfaction 10 years after the operation. The latter is often impossible to obtain. The recently proposed deep undermining of the superficial musculoaponeurotic system (SMAS) seems both excessive and potentially dangerous. An evaluation of 30 consecutive patients would seem to indicate that a segmental approach, along with tightening of the platysmal and genioparotid layers of the SMAS, gives good immediate results and may be responsible for longer-lasting results.

Evaluation Studies as Topic↗
PubMed1986

The fasciocutaneous flap as an alternative solution in difficult reconstructive problems.

Fasciocutaneous flaps are available anywhere in the body, literally from head to foot. Some hair-bearing flaps, the parasternal flap, and some forearm and lower extremity flaps may be useful for coverage of soft tissue defects when a relatively simple one-stage procedure is preferred. The fasciocutaneous flaps described here are long and narrow, with a length to width ratio of up to 5:1. Although these flaps are not the ultimate solution to all reconstructive problems, they are especially useful in the treatment of burn scar contractures and chronic ulcerations such as those that result from the extravasation caused by chemotherapeutic agents. Of particular importance is the fact that the use of these flaps does not preclude the use of other flaps later, should this be necessary. Specific indications for these flaps must always be kept in mind in relation to other reconstructive alternatives.

Adolescent↗
PubMed1986

Risk and consequence of infection at the site of microsurgical repair: an experimental model.

The consequences of postoperative infection at the site of microsurgical repair were studied. The experiment used 60 Wistar rats which were divided into 3 groups of 20 each. The femoral artery, vein, and nerve were transected unilaterally and repaired using microsurgical techniques. Staphylococcus aureus was then inoculated into the wound of group 1. Beta-hemolytic Streptococcus was inoculated into the wound of group 2. Group 3 rats served as controls. Clinical, anatomical, bacteriological and histopathological examinations were performed on postoperative days 8 and 30. Wounds in which S. aureus was inoculated demonstrated a significant tendency toward vascular thrombosis with extensive tissue destruction. In the majority of these cases, the necrosis caused by the primary infection engendered an associated, opportunistic infection. Streptococcal inoculations in group 2 demonstrated less severe changes than in group 1. These changes were characterized by injury of the vascular structures themselves with a significant tendency for thickening of the arterial wall, perivascular inflammation, and hematoma formation at the site of the repair. This model allows demonstration of the enzymatic and toxic consequences of bacterial infection in a postoperative site characterized by cellular destruction and interstitial edema surrounding foreign bodies represented by sutures.

Animals↗
PubMed1986

Second toe to thumb transfer with extensor digitorum brevis opponensplasty.

A second toe to hand transfer is described for thumb reconstruction which includes the extensor digitorum brevis as a simultaneous opponensplasty. This procedure was effective in a young man injured in a bomb explosion that completely destroyed the first ray. The second toe was dissected in continuity with the extensor digitorum brevis muscle, its nerve was anastomosed to the motor branch of the median nerve. Thus a one-stage operation allowed a complete reconstruction of the first ray proximally to the trapezium. Recovery at 2 years is good, and the muscle transfer can be demonstrated to work.

Adolescent↗
PubMed1985

[Transformation of skeletal muscle by progressive sequential stimulation with a view toward its use as a myocardial substitute].

Progressive sequential stimulation of a skeletal muscle using trains of 30 Hz impulses with increasing frequencies from 20/min. to 80/min. within 3 months, allowed us to obtain in goats a transformation of the fast twitch glycolytic muscular fibers into fatigue resistant slow twitch oxidative muscular fibers. The conditioned muscle can be used in the treatment of various myocardial lesions or to reinforce cardiac contractility in severe cardiac insufficiencies. The first clinical case successfully operated upon is reported.

Adult↗
PubMed1979

[When should peripheral nerves be grafted? (author's transl)].

In the presence of peripheral nerve damage, the only acceptable procedure is suture without tension, carried out under excellent conditions of fascicular approximation. In the case of loss of substance, immediate or secondary suture should never be performed. In the experience of "S.O.S. Main" secondary suture has led to the most disastrous results. Nerve graft, as an emergency, is legitimate in the case or reimplantations, in view of the high degree of technical competence of the teams, and the experience acquired. Deffered nerve graft is envisaged at about the end of the second month:--either in the absence of suture,--or in the absence of recovery. When there is any doubt, further examination at the 4 th or 5 th month ensures that treatment is not delayed too long. At all events, examinations must be repeated every two months in order to study nerve regrowth and to determine the need for possible though difficult reoperation if it stops.

Humans↗
PubMed1979

[Complex hand injuries. Therapeutic management (author's transl)].

Defined by severe injuries of several digital structures and by lesions of several axes, complex hand injuries raise numerous problems of management. The activity of the unit "S.O.S. Hand-Reimplantation" of the Boucicaut Hospital petmitted us to determine the various clinical and socio-professional aspects. In the first part of this article, a statistical study permitted us to define the classes, types and prognosis. In the second part, the repair of each digital structure is considered (skin, bone, joint, extensors, flexors, nerves, vessels) in the light of a complex hand injury. The role of the covering skin in the quality of the results seems very important. The long-term results, their socio-professional consequences, thus permit one to draw up a therapeutic management which aims to repair the maximum number of lesions during the first stage of the operation. The interest of microsurgical repairs of the vessels and nerves requires operation of these complex hand injuries as an emergency, which requires appropriate surgical facilities.

Adolescent↗
PubMed1978

[Paronychia, the general practitioner, the surgeon and antibiotics (author's transl)].

Antibiotic therapy for paronychia has seen its day. It is indicated only rarely and justified only when on the day following infection or during the next few days there are signs of regional or systemic spread. The surgical treatment of infections of the hand is not difficult but should be known, if not learned. A paronychia which has been opened but not cured should be reoperated upon rapidly. An "old" paronychia is a major catastrophe: small fistula, great damage. No surgical quarter for evil organisms!

Anti-Bacterial Agents↗