Effect of Washes and Centrifugation on the Efficacy of Lipofilling With or Without Local Anesthetic.

Background: Among the different parameters that influence fat graft survival and lipofilling success, the use of local anesthetic and the way to process the fat before injection have often been pointed out. Likewise, we evaluated different techniques for processing adipose tissue before its injection and analyzed the quality of the grafts.

Methods: Adipose tissue from the same patient was gently harvested from one side of the abdomen after infiltration of a tumescent solution without lidocaine and from the other side of the abdomen using a tumescent solution containing lidocaine 2%.

Effect of centrifugation and washing on adipose graft viability: a new method to improve graft efficiency.

Background: Adipose tissue grafting is a promising method in the field of surgical filling. We studied the effect of centrifugation on fat grafts, and we propose an optimised protocol for the improvement of adipose tissue viability.

Methods: Adipose tissue was subjected to different centrifugations, and the volumes of interstitial liquid and oil released were measured to choose the optimal condition.

New insights into lidocaine and adrenaline effects on human adipose stem cells.

Background: Adipose stem cells have gained great interest in plastic and reconstructive surgery with their ability to improve engraftment after fat transfer for soft tissue filling. It is therefore essential to know the effect of the drugs commonly used during the lipoaspiration procedure, such as lidocaine and adrenaline. Indeed, these drugs are infiltrated at the fat donor site for local anesthesia and for reduction of bleeding.

Management of wounds of exposed or infected knee prostheses.

Skin damage after total knee arthroplasty may jeopardise the functional benefit of the prosthesis. In such cases standard treatment is aimed at avoiding arthrodesis, sometimes replacing the implant and, in exceptional cases, amputation. In most cases early and adequate coverage of the soft tissue defect may make it possible to salvage the prosthesis.

[Use of skin expansion in resurfacing defective amputation stumps of the lower limbs. 6 case reports].

Better procedures and materials have enabled us to improve the results of skin expansion under knee level and extend its indications. We have used such procedures to cover defective amputation stumps in the lower extremity. When the local conditions are suitable, skin expansion permits the use of healthy skin from the lateral sides of the stump to provide coverage for the ulcerated areas, thus fulfilling the main goals which are to keep the bone shaft as long as possible and cover the stump with sensitive skin, so that a prosthesis can be fitted.

[Malignant melanoma in children. Apropos of 6 cases].

Six cases of malignant melanoma were observed in children aged 5-14 years, over a 14-year period: both sexes were equally affected. In three cases, the melanoma was a primary tumor, which indicates that this diagnosis should always be born in mind in children and any suspicious lesion should be biopsied and removed. Three cases had a family history: dysplastic naevus in two cases and malignant melanoma in one case, which confirms the increased risk in some families.

[Coverage flaps for loss of substance of the scalp. Our experiences apropos of 42 cases].

We report our experience with 42 coverage flaps for tissue loss involving the scalp. Malignant tumors of the scalp were the major cause of tissue loss. Repair modalites and outcome are reported.

[Prospective study of 100 cases of breast hypertrophy].

The authors performed a prospective study of 100 consecutive cases of mammary hypertrophy. Sixty were treated by McKissock's technique and forty by Thorek's technique. The patients were reviewed at the second and sixth postoperative months.

[Use of "foot-bank" tissue to cover amputation stumps. Apropos of 4 cases].

Purpose Of The Study: The authors report 4 cases of plantar skin free transfer to cover an amputation stump.

Material And Methods: In two cases, operated as emergencies, a flap based on the posterior tibial pedicle was harvested from a non-reimplantable extremity. In one case the calcaneum was included in the flap to provide a stump wide enough to hold a prosthesis.