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Biomedical subjects

Kwang Seog Kim

Publications and source records attributed to Kwang Seog Kim.

9 recordsLinked to original sources
PubMed2006

Combined transcutaneous transethmoidal/transorbital approach for the treatment of medial orbital blowout fractures.

BACKGROUND: The transcutaneous transorbital approach to medial orbital wall fractures facilitates placing a large implant or autogenous graft. However, its major disadvantage is the difficulty of accurately reducing the fractured medial orbital wall and herniated soft tissues with minimal morbidity. METHODS: To resolve this problem, a combined transcutaneous transethmoidal/transorbital approach through the same skin incision was developed at the Chonnam National University Medical School. Between 1997 and 2003, this approach was used in 54 patients with pure medial orbital blowout fractures. All fractures were larger than 2 cm in defect size and had 3 mm or more of bone displacement. RESULTS: Postoperative computed tomographic scans showed complete release of entrapped soft tissues and accurate reconstruction of bone defects in all cases. Complications related to the operation such as intraorbital and intramuscular hemorrhage, infection, and eyeball and optic nerve injuries were not observed, except in two cases with slight implant displacement. Follow-up ranged from 2 to 22 months, with an average of 9 months. Forty-one patients were evaluated 6 months or more after their reconstructive procedure. At the time of surgery, diplopia was present in 39 patients, eyeball movement limitation in 35 orbits, and enophthalmos of more than 2 mm in 16 orbits. Postoperatively, diplopia and eyeball movement limitation were resolved in most cases. Two patients had persistent diplopia for more than 1 year after surgery, and one of these needed extraocular muscle surgery. Enophthalmos of more than 2 mm developed in three orbits, but enophthalmos of more than 3 mm was not observed in any orbit. Cosmetic results at the incision site were acceptable in all patients. CONCLUSIONS: The combined transcutaneous transethmoidal/transorbital approach is a safe procedure that can be performed with minimal morbidity; it offers the advantages of both the transcutaneous approach and the trans-nasal approach. Therefore, the authors suggest that this method be considered as a surgical alternative for the treatment of medial orbital blowout fractures, especially large and combined fractures of the medial wall and other parts of the orbit.

Accidents, Traffic↗
PubMed2005

Radial midpalmar island flap.

BACKGROUND: Although defects and contractures of the first web space and the thumb base can be a difficult problem, several local flaps have been used to reconstruct them. However, as most of these flaps are raised from the dorsal aspect of the thumb and the index finger, they may be unsuitable for reconstruction when defects or contractures of the first web space and the thumb base involve the dorsal skin. METHODS: In an attempt to resolve this problem, an island flap harvested from the radial aspect of the midpalm and based on the terminal branch of the superficial palmar arch was developed at Chonnam National University Medical School. From 1998 to 2003, this flap was used in 15 patients. The sizes of these flaps ranged from 2 to 3 cm in width and from 2.5 to 5 cm in length. RESULTS: All the flaps survived completely. The donor site was covered with a skin graft in six patients and closed primarily in nine. Healing of most donor sites was uncomplicated. However, in one patient, the skin graft on the donor site did not take completely as a result of subgraft hematomas and a subsequent split-thickness skin graft was required to cover the defect. CONCLUSIONS: Although there may be some variations of the vascular pedicle, the radial midpalmar island flap is reliable using careful dissection. This new flap may offer an alternative for reconstructing the first web space and the thumb base in selected patients.

Adolescent↗
PubMed2004

A surgical approach for earlobe keloid: keloid fillet flap.

Earlobe keloid can form after cosmetic ear piercing, trauma, or burns, and it poses several difficulties in treatment and distinctive cosmetic implications. Treatment methods for earlobe keloids include both surgical and nonsurgical methods. After excision of the earlobe keloid, healing by secondary intention, primary suture, skin graft, or local flap has revealed some disadvantages. The authors approached this problem with a new excision and covering method. The surgery was performed under local anesthesia. Skin over the keloid was dissected from the keloid mass as a flap, which they termed a "keloid fillet flap," and the keloid mass was completely removed. Subcutaneous sutures were not used, and the keloid fillet flaps were closed with 6-0 nylon sutures after trimming. Other intraoperative or postoperative preventive procedures, such as steroid injection, pressure device, or irradiation, were not applied primarily. In the period from May of 1999 to October of 2000, nine earlobe keloids in eight patients were treated with this protocol. One patient had bilateral keloids. Of the eight patients, there were six women and two men, ranging in age from 21 to 61 years (mean age, 28.5 years). The causes of keloids were ear piercing in six cases and trauma in three cases. The largest lesion was 3 cm in its greatest dimension, and the smallest was 1.5 cm (mean, 2.3 cm). All flaps survived completely. There were four cases of recurrence. Seven cases, including two recurrences, showed good results. The authors believe the recurrence of earlobe keloid was closely related to the method for coverage of the defect after its surgical excision, and the "5 As and one B" (Asepsis, Atraumatic technique, Absence of raw surface, Avoidance of tension, Accurate approximation of wound margin, and complete Bleeding control) are important factors in reducing the recurrence rate of earlobe keloids in surgical excision. The authors' protocol is very effective in closing the defect after surgical excision of earlobe keloids and offers many advantages over other surgical approaches. The recurrence rate of earlobe keloid may be lower than in their results if other intraoperative and postoperative treatment procedures are combined with their protocol.

Adult↗
PubMed2004

Distally based dorsal forearm fasciosubcutaneous flap.

Use of a local flap is often required for the reconstruction of a skin defect on the dorsum of the hand. For this purpose, a distally based dorsal forearm fasciosubcutaneous flap based on the perforators of the posterior interosseous artery was developed. From 1997 until 2002, this flap was used to reconstruct skin defects on the dorsum of the hand in nine patients at Chonnam National University Medical School. The sizes of these flaps ranged from 10 to 14 cm in length and from 5 to 7 cm in width. The flaps survived in all patients. Marginal loss over the distal edge of the flap was noted in one patient. Three flaps that developed minimal skin-graft loss were treated successfully with a subsequent split-thickness skin graft. The long-term follow-up showed good flap durability and elasticity. The distally based dorsal forearm fasciosubcutaneous flap is a convenient and reliable alternative for reconstructing skin defects of the dorsum of the hand involving vital structure exposure. It obviates the need for more complicated and time-consuming procedures.

Adolescent↗
PubMed2003

Resurfacing of a totally degloved hand using thin perforator-based cutaneous free flaps.

Resurfacing after a total degloving injury to the hand is one of the most difficult management problems in hand surgery. Although there are many methods of managing this type of injury that preserve functions and lessen deformities, none provides a satisfactory solution to this problem. The authors resurfaced a totally degloved hand using extremely thin and broad perforator-based cutaneous free flaps, and the donor defects were covered with split-thickness skin grafts. The postoperative course was uneventful, the flaps survived completely, and the grafts took without loss. Several minor operations, including interdigitation, defatting, and the formation of palmar and digital creases, were required to obtain the final appearance and function of the hand. Eighteen months after the initial operation, the patient could pick up a bean with a pair of chopsticks. Sensation was satisfactory in the palm 20 months after the initial operation, as evidenced by 10 mm of static two-point discrimination. To reconstruct a total and complete skin defect of the hand, the authors recommend that thin perforator-based cutaneous free flaps be an initial consideration.

Adult↗
PubMed2003

Correction of inverted nipple: an alternative method using two triangular areolar dermal flaps.

Inverted nipple, which is defined as a nipple located on a plane lower than the areola, presents both functional and cosmetic problems. It is a source of repeated irritation and inflammation, and interferes with nursing. In addition, its abnormal appearance may cause psychological distress. Inverted nipples are congenital or acquired, and are classified as the umbilicated and invaginated types or divided into 3 groups (grades 1, 2, and 3). With consideration of its underlying pathophysiologic components and severity, various surgical procedures have been proposed. For correcting the inverted nipple, the authors introduce an alternative, simple method using 2 triangular areolar dermal flaps. Compared with other methods using triangular areolar dermal flaps, each triangle is approximately 1 mm shorter than the diameter of the nipple, and the deepithelialized areolar dermal flaps are lodged at the slit in the bundle of the lactiferous ducts in the grade 2 inverted nipple. From August 2000 to December 2001, 11 patients (16 nipples) were treated. Five patients had bilateral inverted nipples. Patient age at operation ranged from 18 to 31 years (mean age, 27 years). All nipples were congenital and they had no previous operation. Thirteen nipples were grade 2 and 3 were grade 3 according to the classification of inverted nipple by Han and Hong. The mean follow-up period was 8.7 months (range, 3-12 months). Follow-up examinations revealed no evidence of recurrence of inversion. There was no complication associated with surgery, such as infection, hematoma, permanent sensory disturbance, or nipple necrosis. The resulting scars were minimal. All patients were satisfied with their results. The authors conclude that their procedure is reliable, preserves the lactiferous ducts in grade 2 inverted nipple, requires no special postoperative care, and leaves minimal scars and no recurrence of inversion. This technique can be applied to any type of inverted nipple as a primary surgical procedure.

Adolescent↗
PubMed2002

Eyebrow island flap for reconstruction of a partial eyebrow defect.

A diverse variety of methods for reconstructing eyebrow defects has been described previously, and each procedure has inherent advantages and disadvantages. The authors present a case of reconstruction of a partial eyebrow defect using two eyebrow island flaps, which are modifications of the subcutaneous pedicle flap.

Adult↗